逆变器

Vibration isolation support with adjustable dynamic stiffness and mounting method thereof

The invention provides a vibration isolation support with adjustable dynamic stiffness and a mounting method thereof.The vibration isolation support comprises a fixed pedestal and a sliding pedestal located on the outer side of the fixed pedestal, a sliding block in sliding connection is arranged in the sliding pedestal, an elastic arm is arranged between the fixed pedestal and the sliding pedestal, and the elastic arm is connected with the sliding pedestal. The two sides of the elastic arm are installed in the inwards-concave cylindrical faces of the fixed pedestal and the sliding block in a sliding mode respectively, and the sliding pedestal and the fixed pedestal which are arranged in the same axial direction are connected through a pre-tightening force counter-force device. The device is flexible in arrangement and has the function of adjusting deformation and dynamic stiffness in the whole process of structure construction and operation, so that deformation errors caused by design ...

Automatic stacking machine device for lead-acid storage battery production

The invention discloses an automatic stacking machine device for lead-acid storage battery production, and relates to the technical field of storage battery automatic conveying equipment. The device comprises a rack, a roller conveyor used for conveying lead-acid storage batteries is arranged on the rack, an automatic stacking and boxing mechanism is arranged at the tail end, located in the conveying direction of the roller conveyor, in the rack, and a stacking container is arranged at the position, located on the lower side of the automatic stacking and boxing mechanism, in the rack. And the automatic stacking and boxing mechanism is used for loading the lead-acid storage batteries into a stacking container. According to the device, firstly, a piston rod of the air cylinder is controlled to extend to enable the movable push plate and the movable top plate to clamp the lead-acid storage batteries to move to the position over the discharging through groove, then the piston rod of the air ...

OFFLINE INFORMATION PUSHING METHOD AND APPARATUS

The description discloses an offline information pushing method and apparatus. The method comprises: an offline broadcast device detects the identification data of a terminal within a predetermined distance; the offline broadcast device uploads the detected terminal identification data to a server; on the basis of the terminal identification data, the server implements information pushing condition matching; the server pushes to the offline broadcast device the information corresponding to the information pushing condition matching the terminal identification data; and the offline broadcast device broadcasts the received corresponding information.

Self-organized mineralized hierarchical porous gel material as well as preparation method and application thereof

The invention discloses a self-organized mineralized hierarchical porous gel material. The material is prepared from aggregate, a gelling agent, a cross-linking agent, a foaming agent, a catalyst and water by adopting a physical stirring foaming and chemical cross-linking method. The invention further discloses a preparation method of the self-organized mineralized hierarchical porous gel material and application of hierarchical porous gel in a mine goaf. According to the self-organized mineralized hierarchical porous gel disclosed by the invention, CO2 conversion catalyzing substances are added into hydrogel, the gas-solid contact area is increased, CO2 is mineralized in situ, the porous self-organized mineralized gel with calcium carbonate in bubbles is generated, alkaline components in coal-based solid waste react with CO2 to generate stable carbonate, and the stable carbonate deposits and covers the surface of residual coal; therefore, carbon emission can be reduced, air leakage can ...

Laboratory discharge capability verification plug, verification method and verification system

The invention belongs to the field of electrical detection equipment, particularly relates to a laboratory discharge capacity verification plug, verification method and system, and aims to solve the problem that an existing discharge capacity verification device can only be independently manufactured according to different test voltages, and thus experimental resources are wasted. The device comprises a capability verification plug which can be connected in series, wherein the rear end of a conversion plug is a single-phase grounding socket; the built-in test circuit is one of a module I, a module II or a module III; the first module is a standard resistor and a standard capacitor which are connected in parallel between a single-phase zero line with a grounding plug and a live wire, the second module is a resistor which is connected in parallel between the single-phase zero line with the grounding plug and the live wire, and the third module is a capacitor which is connected in parallel ...

Based on the directed graph to adapt to the degrees of the assessment mixed differential evolution algorithm

... 本发明提供了种基于有向图适应度评估的混合差分进化算法来解决个同时结合了时间依赖转换时间、选择与调度结合和时间依赖收益特点的调度问题，包括编码及种群初始化、变异操作、交叉操作、选择操作，本发明所述的算法在能够在不同阶段循序渐进不断调整自身的值，具有优化性能；本发明在算例上取得的收益明显优于其他算法；本发明能够处理任何形式的转换时间表现形式，具有很强的灵活性。 ...

Preparation method and application of oxygen vacancy modified flower-like NiFe2O4/ZnO heterojunction material

The invention relates to a preparation method and application of an oxygen vacancy modified flower-like NiFe2O4/ZnO heterojunction material, and belongs to the technical field of photocatalytic material preparation, the preparation method comprises the following steps: firstly preparing crystal ZnO by a hydrothermal method, and then preparing the flower-like NiFe2O4/ZnO heterojunction material from the obtained crystal ZnO, ferric nitrate and nickel nitrate by a co-deposition method; the prepared flower-like NiFe2O4/ZnO heterojunction material can be used as a catalyst for photocatalytic degradation of EE2 or reduction of hexavalent chromium ion pollutant stock solution. The oxygen vacancy modified flower-like NiFe2O4/ZnO heterojunction material is synthesized for the first time, and has the characteristics of rough surface, large specific surface area, high active sites and the like. When the catalyst is used for degrading EE2 or reducing Cr < 6 + >, the degradation rate or reduction rate ...

高效光伏发电机

The invention is applicable to any places needed electricity such as house owned by a citizen, public area, factory and vehicle. The invention combines bodies of condensing light composed of multiple convex lenses in grouped semisphere shape or in any other shape with full-grown present solar cell technique, congregating focus of each convex lens on surface of solar cell. Under sunshine, surface of solar cell obtains tremendous photon energy. Cooling medium can cool solar cells, which can connected to sensing system (IV), computer control system (III), cooling system (II), insulation and distribution output system (V). Thus, the system is in high effect, stable and reliable in electricity generation working procedure.

REFRIGERATOR

The present invention relates to a refrigerator. The refrigerator comprises a first storage space (2); a second storage space (3), at least one parameter of which is controlled independently of the first storage space (2); and a partition element (4) which separates the first storage space (2) from the second storage space (3). According to the present invention, the partition element (4) comprises a thermally insulated space (5) which is hermetically enclosed and which is filled with inert gas.

Practical training system and method for intelligent detection of industrial defects

The invention provides a practical training system and method for intelligent detection of industrial defects, belongs to the technical field of industrial automatic detection and teaching equipment, and solves the problem that the traditional technology is lack of an industrial teaching system. Comprising an industrial part conveying belt, an FPGA intelligent edge calculation module, a visual detection mechanism and a visual robot sorting mechanism. The visual detection mechanism is arranged between the starting end and the stopping end of the industrial part conveying belt, and the visual robot sorting mechanism is arranged at the stopping end of the industrial part conveying belt; the FPGA intelligent edge calculation module is in communication connection with the visual detection mechanism and the visual robot sorting mechanism and is used for receiving industrial part image data transmitted by the visual detection mechanism, performing defect detection analysis and controlling the ...

SECURITY INSPECTION ROBOT AND SECURITY INSPECTION METHOD

A security inspection robot and a security inspection method. The security inspection robot comprises a robot torso (10) and a robot head (20). A main control computer is provided in the robot torso (10), and is communicatively connected to an external gate computer. A loudspeaker (16) for broadcasting an inspection result is provided on the robot torso (10). The robot head (20) is provided with a face recognition camera (23), and the face recognition camera (23) is electrically connected to the main control computer. The face recognition camera (23) collects a face image of a user. The main control computer is used to determine whether or not the face image of the user matches a pre-stored face image template.

Tube bank conveying and clamping device

The invention provides a calandria conveying and clamping device which is characterized in that a power roller way of a calandria conveying device forms a power conveying line, a power roller way perpendicular to the power conveying line is arranged at the tail end of the calandria conveying device, a lifting device of a reversing device is installed on the power roller way at the tail end of the power conveying line, and a lifting platform of a transverse pushing device is installed at the upper end of a guide column. The two ends of a transverse pushing shaft provided with transverse pushing wheels are installed on the lower surface of one end of the lifting table, the transverse pushing wheels are installed on the upper surface and the other end of the lifting table, transverse pushing belts are hung on the transverse pushing wheels, a calandria recognition system is arranged on one side of the tail end of a power conveying line of the calandria clamping device, and a calandria positioning ...

VIDEO SEARCH METHOD AND DEVICE

The invention discloses a video search method and device. The method comprises: utilizing a preset classification model to predict video frame labels of video frames in a video to be annotated; merging video frames temporally adjacent and having the same video frame labels, and annotating the video to be annotated with corresponding video frame labels; if a search request containing an instruction to search videos is received, determining a video frame label corresponding to the search request on the basis of an annotation result of a video frame label; searching for a target video annotated with the video frame label from among candidate videos; and displaying the target video. By carrying out prediction, merging and annotation of video frame labels, the embodiment of the present invention can determine a video frame label corresponding to a search request on the basis of an annotation result of a video frame label, that is, utilizing pre-annotated video frame labels to search content ...

Network optimization method based on elastic channel network indexes

The invention discloses a network optimization method based on an elastic channel network index, belongs to the technical field of elastic communication networks, and mainly solves the problem of transmission or transmission efficiency of small-world network data in networks such as a regular network and a random network. The small-world network has an average shortest path and network aggregation; and for the small-world network, a plurality of indexes of the elastic communication network are adopted to evaluate data transmission in the small-world network. The method aims at the characteristics of the average shortest path and the network aggregation of the small-world network through the setting. According to the constructed small-world network, four indexes (degree and degree distribution, type selection connection (matching), network robustness and intermediate centrality analysis) of an elastic communication network are adopted to solve the problem of transmission or transmission ...

ADVERTISEMENT ROBOT AND ADVERTISEMENT DELIVERY METHOD THEREOF

An advertisement robot and an advertisement delivery method thereof. The advertisement robot comprises a robot body (10). An advertisement delivery system is installed in the robot body (10), and comprises a robot control system (20) and a chassis driving module (202) electrically connected to the robot control system (20). A bottom portion of a robot torso (12) is provided with a movable robot mobile chassis (13). The robot mobile chassis (13) is electrically connected to the chassis driving module (202) so as to change a motion trajectory of the advertisement robot by means of the chassis driving module (202) and to control the advertisement robot to move or stop. The front of the robot torso (12) is provided with a body-sensing camera (122) electrically connected to the chassis driving module (202). The advertisement robot and the advertisement delivery method thereof employ the movable robot mobile chassis (13) and the body-sensing camera (122), such that the advertisement robot can ...

Crude oil pretreatment device and method

The present invention discloses a crude oil pretreatment apparatus and method, the apparatus comprising: a static mixing unit for receiving crude oil subjected to settling separation and injecting magnetic seeds and a flocculant; the magnetic separation unit is of a cylindrical structure, multiple layers of magnetic gathering media are arranged in the magnetic separation unit, and the multiple layers of magnetic gathering media adsorb flocculated precipitates with magnetic seeds as cores in the crude oil under the action of a gradient magnetic field; the oil-water deep separation unit is provided with multiple layers of electrode plates which are annularly arranged at intervals and coalescence fillers, the oil-water deep separation unit receives the crude oil subjected to magnetic separation, the crude oil sequentially flows through the multiple layers of coalescence fillers, and tiny water drops in the crude oil are coalesced into large water drops under the action of an electric field ...

Screw sealing plate feeding and check valve assembling and gluing device

The invention provides a screw sealing plate feeding and check valve assembly gluing device which is characterized in that a reversing device and a turnover box conveying line are arranged at the tail end of a screw sealing plate conveying line of a screw sealing plate feeding device, a screw sealing plate recognition system and a feeding robot are arranged on one side of the screw sealing plate feeding device, and a turnover guide device is located at the tail end of the screw sealing plate conveying line; a material guide groove and an overturning drive are arranged above the material guide groove, and an overturning groove is formed in an output shaft of the overturning drive; a press-fitting table of a check valve press-fitting assembly of the check valve assembling and gluing device is located at one end of the overturning material guiding device, a press-fitting drive, a press-fitting disc, a check valve robot and the gluing device are installed on the press-fitting table, and a check ...

Log analysis method and device

The invention provides a log analysis method and device, and the method comprises the steps: obtaining a to-be-analyzed log; processing the to-be-analyzed log according to a first preset method to obtain a segmented log; inputting the segmented log into a pre-training model to obtain an intermediate score of each word in the log to be analyzed; calculating a target score of each word according to the segmentation logs and the intermediate scores; according to the to-be-analyzed log, the target score, the word and a preset algorithm, a target template of the to-be-analyzed log is obtained, and the preset algorithm is used for generating the target template. Through the method and the device, the problems of low accuracy and poor generalization ability in related technologies are solved.

Heater base device capable of monitoring temperature gradient in real time

The invention relates to the technical field of casting, in particular to a heater base device capable of monitoring the temperature gradient in real time, a graphite base is sequentially provided with a baffle containing groove in the top, a plurality of temperature measuring holes in the middle and a water cooling ring supporting groove formed in the lower portion and used for fixing a water cooling ring from top to bottom, and an opening of the baffle containing groove faces upwards; an opening of the water-cooling ring supporting groove of the water-cooling ring faces downwards; the lower surface of the graphite base is a base fixing surface; the baffle placing groove is used for placing the baffle between the heater and the base and is mainly used for isolating the temperature of the heater, and the device is mainly used for measuring the temperature change of the lower edge of the baffle of the single crystal furnace in real time. The device is simple in operation, accurate and efficient ...

Adaptive robust Kalman filtering integrated navigation method based on MVC

The invention discloses a self-adaptive robust Kalman filtering integrated navigation method based on MVC. The method mainly comprises the following steps: acquiring real-time data of a sensor; performing Kalman filtering state one-step prediction; estimating a parameter matrix and an adaptive factor by using adaptive robust Kalman filtering; performing Kalman filtering measurement updating; and outputting a combined navigation result. According to the method, the problem that the precision of the combined navigation result is reduced or even diverged when the system process noise is uncertain and the system measurement noise is abnormal is solved.

Coal mine conveyor belt early warning fire extinguishing device based on CO monitoring and using method

The invention provides a coal mine conveyor belt early warning and fire extinguishing device based on CO monitoring and a use method.The early warning and fire extinguishing device comprises a monitoring module, a fire extinguishing module and a power supply module connected with the monitoring module and the fire extinguishing module, the monitoring module comprises a CO gas monitoring module, and the CO gas monitoring module is connected with a processing module; the processing module is respectively connected with a wireless transmission module, a temperature sensing module and a pressure control module, and the wireless transmission module is in signal connection with a ground console; the fire extinguishing module comprises a nitrogen storage cavity and a telescopic steering nozzle, the telescopic steering nozzle is connected with the nitrogen storage cavity through a control valve, a temperature probe is arranged on one side of the telescopic steering nozzle and connected with the ...

ASYNCHRONOUS CHORUS METHOD AND DEVICE

An asynchronous chorus method and device, which are used for solving the problems of a poor chorus effect, a complex processing process and high costs. The method comprises: after receiving an audio file uploaded by a terminal which requests the use of a first obbligato file to participate in a chorus, marking a part in the audio file, which has a mixed sound and is not marked, as a part which has already been chorused (101); and determining the marked audio file as a second obbligato file (102). Therefore, chorists can sing their own parts at different times and different places, which will not lead to a poor chorus effect due to crowding or that the sound has a difference in volume and distance. In addition, when singing the parts of their own, each user can sing many times or separately process the part sung thereby, without influencing the parts sung by other users, therefore it will not lead to the situation where the whole song has to be sung again because of the poor performance ...

Full stokes polarization measuring instrument based on dielectric metasurface

The invention discloses a full stokes polarization measuring instrument based on a medium metasurface, and belongs to the technical field of optical devices. Comprising a dielectric metasurface and a detector array, and the detector array is located at the focal plane of the dielectric metasurface. According to the full stokes polarization measuring instrument based on the medium metasurface provided by the invention, interested target polarization states and respective focus points of the interested target polarization states can be randomly selected by a design framework attached to the full stokes polarization measuring instrument, and target polarization state detection of regular tetrahedron distribution, which cannot be realized by a traditional design thought, can be easily realized. Compared with an existing design for detecting six polarization states distributed in a regular polyhedron, the size is smaller, and compared with an existing design for detecting four polarization states ...

Temperature control system and method

The invention provides a temperature control system and method. The temperature control system comprises a transmission control module, a data acquisition module, a temperature adjusting module and at least two temperature acquisition modules. Wherein each temperature acquisition module comprises a thermocouple and a transmission device, the thermocouple is fixed at the movable end of the transmission device, and the first thermocouple penetrates through a detection hole of an upper heater in the smelting furnace and is driven by the first transmission device to move in the first direction perpendicular to the moving direction of the casting; the second thermocouple penetrates through a detection hole of a lower heater in the smelting furnace and is driven by a second transmission device to move in the second direction perpendicular to the moving direction of the casting. The data acquisition module is connected with the first thermocouple and the second thermocouple. The temperature adjusting ...

REGISTRATION MACHINE AND VISITOR REGISTRATION METHOD

A registration machine and a visitor registration method. The registration machine is internally provided with a control host, and the control host is electrically connected to a visitee terminal, is used for sending an access request to the access terminal, and is also used for detecting, in real time, whether a request approval notification sent by the access terminal is received, and if so, sending a passing signal to an entrance guard system, the access request comprising a face image and visitor information; and the registration machine further comprises a camera (121) for acquiring a face image of a visitor and a touch screen (122) for acquiring visitor registration information inputted by the visitor, the visitor registration information comprising a visitor name and visitor information. In registration machine and visitor registration method, providing a steering engine (1211) enables the camera (121) to automatically adjust the angle of the photographer, so as to acquire the face ...

VR exhibition display method, device and system

The invention discloses a VR exhibition display method, device and system, and belongs to the technical field of VR. The method comprises the following steps: firstly, receiving exhibition site conditions, including exhibition position planning, exhibition position of each exhibit and exhibit information of each exhibit; constructing a data dictionary and selecting anchor points according to exhibition position planning, exhibition positions of all exhibitors and exhibit information of all the exhibitors; and finally, importing the received VR panoramic photos named according to the shooting route into the corresponding anchor points to generate a VR exhibition. According to the scheme of the invention, the data dictionary is constructed according to the field condition of the exhibition, so that the displayed content is completely consistent with the actual condition, and meanwhile, the VR panoramic photo can automatically generate the VR exhibition according to the anchor points, so that ...

一种高透过率光学镜片及其制备方法

Optical lens said in the invention is an optical film with a layer of porous structure (diameter of pore 10-100 nano) covering on surface of basal piece of glass. Preparing procedure is as following: mixing polystyrene with polymethyl methacrylate (mass ratio 50:50-5:95); next, dissolving the mixture to solvent of aromatic hydrocarbon or tetrahydrofuran; then, spin coating the solution onto prepared basal piece of glass; drying spin coated basal piece of glass; dipping the dried basal piece of glass into cyclohexane solution or cyclohexanone solution; heat drying the dipped basal piece so as to obtain optical lens with high degree of transparency, which reaches 96% in range of visible light. The method is simple and can prepare optical film in low refractive index. The method is applicable to designing and preparing films of anti reflection, reflection and narrow band filtering so as to simplify designing and preparing process and lower cost.

Wire controller and air conditioning system

The invention relates to a wire controller and an air-conditioning system. The wire controller comprises a mounting box assembly, a wire winding assembly and a wire winding assembly, the power panel is arranged in the mounting box assembly, a first circuit and a second circuit are arranged on the power panel, and the first circuit and the second circuit are connected to the lamp module in parallel; the display assembly is detachably connected to the mounting box assembly, and the display assembly has an assembling state and a taking-down state; the electric control switch unit is arranged in the display assembly; the mechanical switch unit is movably arranged on the mounting box assembly; in the assembling state, the display assembly compresses the mechanical switch unit, and the electric control switch unit is connected to the first circuit through the mechanical switch unit and controls the lamp module. In the taking-down state, the electric control switch unit is disconnected from the ...

Block propagation method and system based on acquaintance immune strategy

The invention provides a block propagation method and system based on an acquaintance immune strategy, a storage medium and electronic equipment, and relates to the technical field of block chains. The method is based on a block chain system, and comprises the following steps: determining a plurality of relay nodes by adopting an acquaintance immune strategy in neighbor nodes of block creation nodes; and creating nodes based on the blocks, sending the blocks to each relay node, receiving the blocks after the relay nodes pass verification, and broadcasting the blocks to the whole network. By improving an epidemic propagation protocol of an existing block chain system, the propagation delay of the blocks is reduced, so that the average block interval is reduced, more blocks are generated in shorter time, and the transaction volume per second is increased. And the existing system is not greatly changed, the main data structure and the network structure are not changed, and the deployment and ...

Modularized negative pressure isolation ward and negative pressure isolation area

The invention relates to the technical field of clinics, in particular to a modular negative pressure isolation ward and a negative pressure isolation area, the modular negative pressure isolation ward comprises a negative pressure isolation ward main body, a ventilation device is arranged on the negative pressure isolation ward main body, a feeding area, a buffer room, a treatment area and a toilet are arranged in the negative pressure isolation ward main body, and the feeding area comprises a conveying channel. A rack is driven to move through movement of a sliding block, at the moment, a spring is stressed and compressed, a second gear rotates through movement of the rack, a second rotating rod is driven to rotate through rotation of the second gear, and a hook and a fixing piece are driven to rotate with the second rotating rod as a rotating shaft through rotation of the second rotating rod; the garbage bag is separated from the hook and falls into the collecting box from the discharging ...

Conveying and dispersing integrated rotating packed bed and system

The invention discloses a conveying and dispersing integrated rotating packed bed and system.The conveying and dispersing integrated rotating packed bed is composed of a conveying assembly and a dispersing assembly, the conveying assembly is composed of a rotating shaft and a guiding-in piece, the conveying assembly drives the guiding-in piece to rotate through the rotating shaft, then pushing force is provided for guided-in liquid, the liquid is guided into the dispersing assembly, and the liquid is dispersed in the dispersing assembly; meanwhile, dispersed phase fluid is guided into the dispersing assembly, liquid and the dispersed phase fluid are fully mixed and transferred under the action of the dispersing assembly, the conveying function and the dispersing function are integrated, intensification and continuity of the reaction process are achieved, and the safety level of the process can be improved.

Dark field super-resolution imaging method, model evaluation method and system

The invention discloses a dark field super-resolution imaging method, a model evaluation method and a system. The imaging method comprises the following steps: acquiring a high-resolution real image pair and a low-resolution real image pair of particulate matters, and training to generate a super-resolution reconstruction model; carrying out the preprocessing of the high-resolution and low-resolution real image pairs, and constructing a super-resolution data set; training by using the super-resolution data set and combining the super-resolution reconstruction network and a context loss function to obtain a super-resolution reconstruction model; and inputting a low-resolution real image into the generated super-resolution reconstruction model to obtain a super-resolution dark field image. The invention further discloses a model evaluation method and a super-resolution imaging system. According to the method, the generated super-resolution reconstruction model is trained, the corresponding ...

Automatic clamping mechanical arm for pneumatic casting shell

The invention discloses an automatic clamping mechanical arm for a pneumatic casting shell, and belongs to the technical field of clamping equipment. The automatic clamping mechanical arm comprises a clamping jaw support arm, an air cylinder, a first clamping jaw, a second clamping jaw, a connecting rod and a supporting jaw. When facing the casting shell before pouring, the air cylinder works to drive the first clamping jaw and the second clamping jaw to rotate simultaneously by taking the hinged part of the first clamping jaw and the second clamping jaw with the clamping jaw support arm as an axis through the two connecting rods, at the moment, the first clamping jaw and the second clamping jaw contract to clamp a casting opening of the casting shell, at the moment, notches in the first clamping jaw and the second clamping jaw are attached to the casting opening of the casting shell, and clamping is realized; and when facing the casting shell after pouring, the air cylinder works to drive ...

Ni/C nano multilayer film catalyst, preparation method thereof and application of Ni/C nano multilayer film catalyst in electrolyzed water

The invention discloses a Ni/C nano multilayer film catalyst, a preparation method thereof and application of the Ni/C nano multilayer film catalyst in electrolyzed water, and belongs to the technical field of catalyst preparation. The Ni/C nano multilayer film catalyst is prepared according to the following steps: carrying out surface cleaning and drying treatment on a substrate to obtain a treated substrate; and loading the treated substrate into a vacuum chamber of magnetron sputtering equipment, cleaning by glow sputtering, carrying out double-target co-sputtering by using an Ni target and a C target by taking argon as carrier gas, and depositing to obtain the Ni/C nano multilayer film catalyst. The catalyst has the advantages of low overpotential, strong conductivity, high activity specific surface area and excellent stability.

Snowflake-shaped porous hydrate material capable of adsorbing CO2 and application system

The invention discloses a snowflake-shaped porous hydrate material capable of adsorbing CO2 and an application system, the snowflake-shaped porous hydrate material comprises a snowflake-shaped porous hydrate material, and the snowflake-shaped porous hydrate material is characterized in that the snowflake-shaped porous hydrate material is prepared from tetraethoxysilane, a cationic surfactant, micromolecular organic amine and deionized water by adopting a soft template method; the average pore size and pore volume of the sample are calculated by adopting a BJH model. The invention relates to the field of coal mine fire prevention and extinguishing, in particular to a snowflake-shaped porous hydrate material capable of adsorbing CO2 and an application system. According to the snowflake-shaped porous hydrate material capable of adsorbing CO2 and the application system, snowflake-shaped porous hydrate has the good CO2 adsorption capacity, when the snowflake-shaped porous hydrate material is ...

REFRIGERATOR

The present invention relates to a refrigerator. The refrigerator comprises a first storage space (2); a second storage space (3), at least one parameter of which is controlled independent of the first storage space (2); and a partition element (4) which separates the first storage space (2) from the second storage space (3). According to the present invention, the partition element (4) comprises a thermally insulated space (5) which is hermetically enclosed and which is filled with inert gas.

Wind turbine generator blade icing early warning method

The invention discloses a wind turbine generator blade icing early warning method, which comprises the following steps of: judging whether a blade is in an icing state or not based on environment temperature, then judging whether a fan is in a limited power state or not, identifying the icing degree of the blade according to a power judgment protection threshold value for the fan in the limited power state, turning on an enabling switch, and if the enabling switch is judged to be turned on, turning on the enabling switch. If yes, the fan is allowed to continue grid-connected power generation, multiple different judgment modes are selected according to the actual pitch angle of the fan until it is judged that blade icing aggravates variable-pitch-speed high-frequency oscillation occurs or the rotating speed of a wind wheel abnormally oscillates, blade icing early warning is conducted, and if it is judged that an enabling switch is not turned on, blade icing early warning is directly triggered ...

Filter assembly production line

The invention provides a filter assembling production line which is characterized in that a screw sealing plate recognition system and a feeding robot are arranged on one side of a screw sealing plate conveying line of a screw sealing plate feeding device, an overturning material guiding device is located at the tail end of the screw sealing plate conveying line, and a check valve press-fitting assembly of a check valve assembling and gluing device is located at one end of the overturning material guiding device; a press-fitting drive, a press-fitting disc, a check valve robot and a gluing device are arranged on the press-fitting table, and a check valve feeding assembly and a screw sealing plate robot are arranged on one side of the press-fitting table. A workpiece conveying device of the conveying, recognizing and placing device is located on one side of the check valve assembling and gluing device, and a position recognizing system and a placing robot are arranged at one end of the workpiece ...

FULLY CONTROLLED RECTIFIER DEVICE

A fully controlled rectifier device includes a three-phase fully controlled rectifier bridge (A), a DC filter capacitor (C), a three-phase bridge inverter (B) and a central processing unit (CPU). Current transformers are provided at the AC input terminals of the three-phase fully controlled rectifier bridge (A), and a voltage sensor connected with the CPU is provided between the positive electrode and the negative electrode of the DC filter capacitor (C). Soft charging circuits (D) including a thyristor (Tr) and a current-limiting resistor (R) which is connected in parallel with the thyristor (Tr) are respectively connected in series in any two AC input terminals of the three-phase fully controlled rectifier bridge (A). The fully controlled rectifier device can prevent elements from damaging at the moment that the three-phase fully controlled rectifier bridge (A) and an AC bus are switched in. With the use of the fully controlled rectifier device, the rectifier bridge (A) can be switched ...

CAR-HAILING METHOD AND APPARATUS

Disclosed are a car-hailing method and apparatus and relate to the technical field of communications. The method comprises: determining whether a user needs to hail a car according to at least one of living habit information and travel arrangement information; and when it is determined that the user needs to hail a car, generating and outputting a car-hailing order. In the present disclosure, when determining that a user needs to hail a car, a terminal device automatically generates and outputs a car-hailing order and can initiate a car-hailing service at a first time, preventing the user from missing his or her journey, and the user does not need to participate in the process, so operations performed by the user are reduced, and time is saved for the user.

Non-contact power supply logistics line

The invention discloses a non-contact type power supply logistics line, and belongs to the technical field of logistics transportation, the non-contact type power supply logistics line comprises a sealing box, a wireless power supply transportation trolley, a logistics frame and conveying mechanisms, the logistics frame is located in the sealing box, a plurality of conveying mechanisms are arranged and sequentially installed on the logistics frame, each conveying mechanism can be turned over on the logistics frame, and the wireless power supply transportation trolley is arranged on the logistics frame. A plurality of conveying mechanisms are arranged on the base, a turnover mechanism is arranged between every two adjacent conveying mechanisms, the multiple wireless power supply conveying trolleys can move on the multiple conveying mechanisms, a driving mechanism is arranged in each wireless power supply conveying trolley, and the corresponding conveying mechanism is driven by the turnover ...

HIGH-EFFICIENCY THREE-DIMENSIONAL SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME

A high-efficiency three-dimensional solar cell is provided, which is suitable for any place needing electric energy, comprising civil houses, public places, factories, and transportation vehicles. The solar cell comprises a photoconductive medium, a photoelectric cell(3) and a light reflection medium. Light is focused on the photon-absorbing surface of the photoelectric cell by a light condenser(5). Light is repeatedly reflected on the photon-absorbing surface of the photoelectric cell, so that the photoelectric cell can obtain a great number of photons at any time and the conversion efficiency of the photoelectric cell can be improved. A method for manufacturing the high-efficiency three-dimensional solar cell is also provided.

Multifunctional buoy for marine environment monitoring

According to the marine environment monitoring multifunctional buoy, a buoy lamp is fixed to the upper end of an air bag base, and a detection assembly comprises a climate monitoring sensor and a water quality and hydrology monitoring sensor; the two pulling ends of the tension power generation device are connected with the first anchor line and the second anchor line respectively, the first anchor line and the second anchor line are connected with the air bag base and the seabed respectively, and the power output end of the tension power generation device is electrically connected with the controller. The floating lamp is installed at the upper end of the air bag seat, and the floating lamp can remind passing ships to pay attention; by arranging the climate monitoring sensor and the water quality and hydrology monitoring sensor, the buoy can perform climate monitoring and water quality and hydrology monitoring on surrounding sea areas; the solar cell panel can charge the storage battery ...

Switch cabinet foundation and installation method of switch cabinet

The invention relates to a switch cabinet foundation and an installation method of a switch cabinet, the switch cabinet foundation comprises a base station main body with a preset groove, and a transverse partition piece and a longitudinal support piece which are used for being installed in the preset groove, the base station main body is provided with a plurality of cable through holes, the cable through holes form inner hole openings in the inner wall of the preset groove, and the inner hole openings are communicated with the transverse partition piece and the longitudinal support piece. And inner orifices of the plurality of cable through holes are arranged along the extension direction of the preset groove. The difficulty of installing switch cabinets of different specifications can be reduced.

Generation of representation data of three-dimensional map data

Techniques for generating representation data of map data in a movable object environment are disclosed. A method of generating representation data of three-dimensional map data may include receiving three-dimensional map data acquired by a sensor (1402); generating representation data by projecting the three-dimensional map data onto a two-dimensional plane based on a selected perspective (1404); and associating (1406) the representation data with the three-dimensional map data.

Logistics service guarantee method and system based on digital twinning

The invention discloses a logistics service guarantee method and system based on digital twinning, and the method comprises the steps: building a digital twinning park mapping model, binding data collected by a bottom layer with a park model, and constructing all application subsystems; establishing a data mapping relationship between each subsystem and real equipment, calling each subsystem at regular time, collecting related data, mapping the related data to the system, and displaying the related data on a related chart; the data uploaded from each subsystem is subjected to edge calculation and preprocessing, the latest data is pushed to a digital twinborn model through WebSocket, and meanwhile, the formed modular data is stored in a database through JsonRPC; and the system calls a corresponding synchronous interface function according to the task list management and control state change trigger signal, and automatically updates related data needing to be updated by the logistics service ...

Uninterruptible power supply replacement method for high-voltage and low-voltage equipment of power distribution station

The invention provides an uninterruptible power supply replacement method for high and low voltage equipment of a power distribution station, and the method comprises the following steps: obtaining a low-voltage temporary bus module which is provided with a constant power supply by a fixed energy storage vehicle; a mobile energy storage vehicle is adopted to carry out advanced transfer on the load of the low-voltage branch box, so that the load is transferred to be supplied by the low-voltage temporary bus module; and replacing the to-be-replaced high-low voltage equipment in the power distribution station, and carrying out advanced recovery on the load of the low-voltage branch box after the to-be-replaced high-low voltage equipment is replaced. According to the uninterruptible power supply replacement method for the high-voltage and low-voltage equipment of the power distribution station, power can be continuously supplied to a user to meet the power utilization requirement of the user ...

Calibration method, device and equipment of laser radar external parameter data and storage medium

The invention relates to the technical field of laser radars, and discloses a calibration method, device and equipment for external parameter data of a laser radar and a storage medium, which are used for improving the utilization rate of point cloud data acquired by the laser radar. The laser radar external parameter data calibration method comprises the following steps: acquiring a radar rotation translation matrix of a laser radar and inertial navigation data of a data acquisition vehicle; performing interpolation processing on the inertial navigation data to obtain a first vehicle body rotation translation matrix and a second vehicle body rotation translation matrix; and generating a target rotation translation matrix between the laser radar and the data acquisition vehicle based on the radar rotation translation matrix, the first vehicle body rotation translation matrix and the second vehicle body rotation translation matrix.

Blue film wrapping all-in-one machine

The invention discloses a blue film wrapping all-in-one machine, and belongs to the technical field of battery processing, the blue film wrapping all-in-one machine comprises a processing bin, a processing table, a blue film winding machine, a film drawing mechanism, a battery cell conveying mechanism, a film wrapping mechanism, a film cutting mechanism, a detection mechanism and a top mold blanching mechanism, the processing table is arranged in the processing bin, and the battery cell conveying mechanism and the film wrapping mechanism are both arranged on the processing table; the film wrapping mechanism is arranged on the processing table, the blue film winding machine is located above the film wrapping mechanism, the film cutting mechanism is arranged on the film wrapping mechanism, the film drawing mechanism is located below the processing table, and the detection mechanism and the top mold blanching mechanism are both arranged at the side end of the battery cell conveying mechanism ...

Flotation optimization control method based on online quality monitoring

The invention relates to a flotation optimization control method based on online quality monitoring, which comprises the following steps of: acquiring data acquired in a plurality of links in the whole flotation process, processing the acquired data to obtain a data set, extracting causal characteristics of the data set by adopting a convergent cross mapping method, and calculating the quality of the data set. Obtaining a dynamic relation model of the key operation variable and the production index variable; designing an optimization target for realizing single-step optimization control on the basis of a Lyapunovo Barrier function; an optimal action is searched by adopting a time forward rolling type finite time domain optimization strategy, and a circularly forward optimization control task is realized; and 8, the steps 5, 6 and 7 are repeated, and the flotation process is optimized and controlled online. The method has the advantages that disjunction between a fixed global optimization ...

Shock insulation support with vibration and shock double control and vertical tensile function

The invention provides a vibration isolation support with vibration double control and vertical tensile function, which comprises a transverse sliding seat, a vibration isolation component and a longitudinal sliding seat which are sequentially arranged from top to bottom, and the upper end and the lower end of the vibration isolation component are respectively connected with the transverse sliding seat and the longitudinal sliding seat in a sliding manner along the horizontal direction; the sliding direction of the shock insulation component and the transverse sliding seat is perpendicular to the sliding direction of the shock insulation component and the longitudinal sliding seat. The shock isolation component comprises an upper sliding plate and a lower sliding plate, and a shock buffering assembly is installed between the upper sliding plate and the lower sliding plate. The upper end and the lower end of the shock insulation component consume horizontal shock energy through friction ...

Civil alcohol-based liquid fuel storage tank

The civil alcohol-based liquid fuel storage tank comprises a box body, supports are riveted to the two sides of the bottom of an inner cavity of the box body, a tank body is riveted to the tops of the supports, the left side of the bottom of the box body communicates with a detection mechanism, a cooling box is riveted to the top of the box body, and a partition plate is fixedly connected to an inner cavity of the cooling box; the top of the cooling box is connected with a refrigeration mechanism through bolts, the left side of the top of the cooling box is connected with a fan through bolts, an air outlet pipe of the fan communicates with a cooling pipe, the bottom end of the cooling pipe penetrates into an inner cavity of the cooling box, and the right end of the cooling pipe penetrates through the box body and communicates with a heat dissipation pipe. Through cooperation of the box body, the detection mechanism and the loudspeaker, the pipeline leakage alarm device has the advantage ...

Data center waste heat flue gas reheating heat supply system and use method

The invention relates to the technical field of data center heat dissipation waste heat recycling, in particular to a data center waste heat flue gas reheating heat supply system and a using method, and the data center waste heat flue gas reheating heat supply system comprises a flue gas heat exchanger, power plant steam extraction equipment, an absorption heat pump and at least one data center channel heat utilization system. The data center channel heat utilization system comprises a micro-module heat channel, a concentrated air channel, an air conditioner and a heat collection pipe, the micro-module heat channel and an air return pipeline of the air conditioner are both connected with the concentrated air channel, an outlet of the heat collection pipe is connected with a low-temperature inlet of a flue gas heat exchanger, and a medium-temperature inlet of the flue gas heat exchanger is connected with a medium-temperature flue gas discharge outlet of a power plant. An outlet of the flue ...

Switch box device of steam turbine

The invention discloses a switch box device of a steam turbine, relates to the field of steam turbine equipment, and can solve the problem that normal operation of a unit is affected due to the fact that a connecting rod mechanism of a switch box in the prior art is jammed or even cannot act. Comprising a box body and travel switches, each travel switch comprises a travel box and a valve rod rotationally connected to the travel box, the switch box device further comprises a driving part and a displacement sensor, one end of the driving part extends out of the box body, the extending end of the driving part is connected to a hydraulic servo-motor, every two travel switches form a group, and the two groups of travel switches are arranged in the length extending direction of the driving part; the two travel switches in each group are symmetrically arranged on the two sides of the driving part in the length extension direction of the driving part, and shifting assemblies used for being matched ...

Dialogue emotion recognition method and system based on dynamic complementary graph convolutional network

The invention relates to the technical field of dialogue emotion recognition, provides a dialogue emotion recognition method and system based on a dynamic complementary graph convolutional network, uses external knowledge to supplement background information of an utterance, and aims to prevent redundancy and loss of utterance information in dependent modeling of context information. The concept of utterance density is creatively provided, the dependency structure in the utterance is dynamically determined through the utterance density, and context information is fully fused into expression of each sentence. And in the process, the representation of the utterance is updated by utilizing graph convolution, and finally each sentence can contain specific knowledge and context background of the utterance, so that more accurate dialogue emotion recognition is realized.

Efficient 3D target detection method and device, terminal and storage medium

The invention discloses an efficient 3D target detection method and device, a terminal and a storage medium. The method comprises the steps of obtaining a point cloud data training set of a to-be-detected target; based on the point cloud data training set of the to-be-detected target, training the point cloud data training set of the to-be-detected target by utilizing an HRNet network structure and adopting a layered refining and dynamic sample distribution mode to obtain a 3D target detection model of the to-be-detected target; acquiring a point cloud data detection set of the to-be-detected target; and detecting the point cloud data detection set of the to-be-detected target by using the 3D target detection model of the to-be-detected target to realize 3D target detection of the to-be-detected target. According to the scheme, the accuracy of 3D target detection is improved by adopting the scheme of hierarchical refinement and dynamic sample distribution.

Battery cell conveying, hanging, combing and sleeving device

The invention provides a battery cell conveying, hanging, straightening and sleeving device which is characterized in that a power roller way of a battery cell conveying device forms a power conveying line, a power roller way perpendicular to the power conveying line is arranged at the tail end of the battery cell conveying device, and a lifting device of a reversing device is installed on the power roller way at the tail end of the power conveying line. A lifting table of the transverse pushing device is installed at the upper end of a guide column, a lifting cylinder is installed in the middle of the lifting table, the two ends of a transverse pushing shaft provided with transverse pushing wheels are installed on the lower surface and the upper surface of one end of the lifting table, the transverse pushing wheels are installed at the other end of the lifting table, and transverse pushing belts are hung on the transverse pushing wheels. A hanging and conveying robot and a hanging and ...

KNN fusion feature-based face dynamic threshold clustering method

The invention discloses a face dynamic threshold clustering method based on KNN fusion features, and the method comprises the following steps: S101, enabling an original data graph to pass through a face detection model, and enabling each detection frame to contain a face; step S102, carrying out quality filtering on the detected face; s103, sending the residual face data after filtering into a face recognition model to obtain the original face features of N face images; according to the method, new features are generated through fusion of the K-nearest neighbor algorithm and the K neighbors around the K-nearest neighbor algorithm, so that the distance between the features originally belonging to the same person becomes closer, the features not belonging to the same person become farther, and the features are less sensitive to the threshold value of the algorithm. And secondly, using a dynamic threshold, calculating variances of all currently clustered features, and if the variances are ...

Novel batter post bearing platform plate-group precast pile composite foundation and construction method

The novel batter post bearing platform plate group precast pile composite foundation comprises a main post, a horizontal bearing platform structure, a core filling connecting system and precast pipe piles, the upper end face of the horizontal bearing platform structure is connected with the main post, angle steel is installed at the end of the main post, and the lower end face of the horizontal bearing platform structure is connected with the precast pipe piles. The prefabricated pipe pile and the horizontal bearing platform structure are mutually anchored through a core grouting connecting system; according to the device, the bearing platform plate foundation and the pile group foundation jointly bear vertical loads and horizontal loads, the bearing capacity of the foundations can be effectively improved, the site construction difficulty is low, the total amount of foundation engineering is low, the bearing capacity is high, and the application range is wide.

Alcohol-based liquid fuel annular gasification furnace end and stove

The invention relates to the technical field of fuel gas equipment, in particular to an alcohol-based liquid fuel annular gasification furnace end and stove which comprises a preheating gasification chamber, a combustion chamber, a pot frame and an igniter, a heater is installed in the preheating gasification chamber, the interior of the preheating gasification chamber is communicated with the interior of the combustion chamber, and a fire outlet is formed in the upper portion of the combustion chamber; the combustion chamber is located on the inner side of the pot frame, the pot frame is installed on the combustion chamber, the igniter penetrates through the preheating gasification chamber and communicates with the interior of the combustion chamber, a heat conduction mechanism is attached to the outer side of the pot frame, and a flowing cavity allowing fuel to flow is formed in the heat conduction mechanism; a first inlet and a second inlet which are communicated with the interior of ...

Shock insulation/vibration isolation layer for building structure

The shock/vibration isolation layer for the building structure comprises shock/vibration reduction devices arranged in an upper structure and a lower structure, and each shock/vibration reduction device comprises a plurality of sets of integrated supports arranged in series; each group of integrated support comprises a connecting plate and a unit support, and the connecting plate comprises an upper connecting plate and a lower connecting plate; the multiple sets of unit supports are arranged between the upper connecting plate and the lower connecting plate. The upper connecting plate is connected with an upper structure or a lower connecting plate of an integrated support located above the upper structure. The lower connecting plate is connected with a lower structure or an upper connecting plate of an integrated support located below the lower structure. Each unit support comprises an upper sealing plate, a lower sealing plate and an elastic cushion arranged between the upper sealing plate ...

Battery cell and calandria sleeving production line

The invention provides a battery cell and calandria sleeving production line which is characterized in that a power roller way of a battery cell conveying device forms a power conveying line, a power roller way perpendicular to the power conveying line is arranged at the tail end of the battery cell conveying device, and a lifting device of a reversing device is installed on the power roller way at the tail end of the power conveying line. A lifting platform of the transverse pushing device is mounted at the upper ends of the guide columns, a hanging and conveying device of the battery cell hanging and mounting device is located at the tail end of the power conveying line, a hanging and conveying robot and a hanging and conveying recognition system are arranged on the two sides of the hanging and conveying device respectively, and a sleeving assembly and a sleeving robot are arranged at one end of the hanging and conveying device; a power roller way of the calandria conveying device forms ...

Design method for improved sliding-mode active-disturbance-rejection controller of optical storage direct-current micro-grid based on hybrid energy storage

The invention discloses a hybrid energy storage-based improved sliding-mode active-disturbance-rejection controller design method for an optical storage direct-current micro-grid, and the method comprises the steps: employing dual-loop control for a controller, introducing a second-stage observer for observation compensation, and enabling the controller to be in dual-loop control; an estimated value of the cascade observer on the total disturbance is fed back to the compensator for elimination; and non-singular fast terminal sliding mode control is designed for optimization, high and low frequency components are respectively compensated by using the characteristics of the hybrid energy storage unit, so that the response speed of the system is improved, and the design of the controller is completed. According to the improved sliding mode active disturbance rejection controller designed by the invention, the observation precision is improved and the control performance is also enhanced through ...

Mixing device and fixing frame for pet food production and processing

The invention provides a mixing device for pet food production and processing and a fixing frame, and relates to the technical field of pet food production and processing. The mixing device for pet food production and processing comprises a stirring tank, a driving mechanism is arranged on the stirring tank, an output shaft of the driving mechanism is hollow, one end of the output shaft is externally connected with steam supply equipment, a driven cabin is fixedly connected to the output shaft of the driving mechanism in a sleeving mode and communicates with the output shaft of the driving mechanism, and the driven cabin is connected with the stirring tank. The stirring part is communicated with the driven cabin, the movable plate is inserted into the stirring part in a sliding manner, and air outlet pipes are uniformly arranged on the movable plate, so that wet softening can be performed through steam, the abrasion to mechanical equipment is reduced, the formation of dust in the mixing ...

Point cloud registration method and device, equipment and storage medium

The invention relates to the technical field of three-dimensional reconstruction, and discloses a point cloud registration method, device and equipment and a storage medium, which are used for improving the point cloud registration speed. The point cloud registration method comprises the steps that two frames of to-be-registered point cloud data are acquired, normal vector calculation is carried out on the two frames of to-be-registered point cloud data, a normal vector corresponding to each feature point in the two frames of to-be-registered point cloud data is obtained, and the two frames of to-be-registered point cloud data comprise a frame of target point cloud and a frame of source point cloud; calculating a feature descriptor corresponding to each feature point in each frame of to-be-registered point cloud data based on the normal vector corresponding to each feature point to obtain a first descriptor set of a target point cloud and a second descriptor set of a source point cloud; ...

Application of polynucleotide in promoting growth of orchid bud

The invention provides application of polynucleotide in promoting growth of orchid dendrobium officinale buds. The polynucleotide comprises an action target of a regulatory factor miR396 or a target simulant of the regulatory factor miR396. According to the polynucleotide provided by the invention, the germination rate of dendrobium officinale is effectively improved, and the in-vivo genetic transformation efficiency is greatly improved. Experimental results show that phenotypes such as growth and development of regenerated plants are normal and similar to those of wild plants, so that a simple and feasible genetic transformation method is established in the dendrobium officinale, and the method has wide production and application prospects.

Scalable multi -angle rotating remote control electric fan

... 本实用新型公开了种可伸缩多角度旋转遥控电风扇，包括固定座、伸缩臂、旋转器、风扇和遥控器；伸缩臂包括连接板、固定板、第电机、丝杆、螺母、底座和四个以上依次铰接的伸缩节；在固定板上安装有电机，伸缩节包括四个相互铰接的第连杆、第二连杆、第三连杆和第四连杆，第连杆和第二连杆之间设有第弹簧，第三连杆和第四连杆之间设有第二弹簧；旋转器固定在底座上；风扇连接在旋转器上；在固定板上固定驱动马达，驱动马达的输出轴上设有箱体，箱体内设有控制器，控制器上连接有无线接收器，遥控器与无线接收器通讯。该结构更加方便的实现风扇的伸缩，减小了能耗，能实现风扇的360°旋转，能实现遥控控制。 ...

Thermocouple ceramic tube fixing device

The invention relates to the technical field of casting, in particular to a thermocouple ceramic tube fixing device. The device adopts a module combination structure and comprises a ceramic temperature measurement protection tube and a thermocouple ceramic stick, the ceramic temperature measurement protection tube is matched with the thermocouple ceramic stick for use, and an internal thread with the length of 15-20mm is arranged at the top of an opening of the ceramic temperature measurement protection tube. The thermocouple ceramic rod is provided with an opening end, the opening end of the thermocouple ceramic rod is provided with an external thread matched with the ceramic temperature measurement protection tube, the thermocouple ceramic rod is higher than the ceramic temperature measurement protection tube by 20mm-25mm, and the thermocouple ceramic rod is provided with a double-through hole or a multi-through hole and is used for penetrating a thermocouple wire and physically isolating ...

Multi-stage telescopic sprinkling irrigation device

The utility model discloses a multi-stage telescopic sprinkling irrigation device which comprises a shell, a spray head, a first-stage lifting device, a second-stage lifting device, a pipe winding lead screw and a pipe winding lead screw gear. The first-stage lifting device comprises a first-stage main gear, a first-stage auxiliary gear, a first-stage transmission gear, a first-stage fixing plate, a first-stage transmission gear fixing device, a first-stage trapezoidal lead screw and a first-stage external spline. The second-stage lifting device comprises a second-stage main gear, a second-stage auxiliary gear, a second-stage transmission gear, a second-stage fixing plate, a second-stage transmission gear fixing device, a second-stage trapezoidal lead screw, a second-stage external spline, a pipe winding lead screw and a pipe winding lead screw gear. The telescopic function of the sprinkling irrigation device is achieved through transmission of the gear and the lead screw, and the good ...

Laser welding clamp

The invention relates to the technical field of battery welding clamps, in particular to a laser welding clamp which comprises bases, sliding tables are slidably mounted at the upper ends of the two bases, first L-shaped plates are fixedly mounted at the upper ends of the two sliding tables through bolts, and first couplings are fixedly mounted on the side walls of the two first L-shaped plates; first driving motors are fixedly mounted at the ends, away from the first L-shaped plates, of the two first couplings correspondingly, the adjusting mechanism comprises sliding frames, the two sliding frames are slidably mounted on the two rectangular frames correspondingly, connecting plates are fixedly mounted at the upper ends of the two sliding frames correspondingly, and telescopic motors are fixedly mounted on the sides, away from each other, of the two first L-shaped plates correspondingly; and output shafts of the two telescopic motors are fixedly connected with the two connecting plates ...

Passive human body detection method, device, equipment and medium

The invention belongs to the technical field of human body detection, and particularly relates to a passive human body detection method, device and equipment and a medium, which are used for solving the problems that the existing human body detection technology is easy to interfere and low in detection accuracy, and the method comprises the following steps: obtaining an infrared thermal radiation signal in an environment to obtain the temperature of a to-be-detected body; emitting electromagnetic waves to the environment and acquiring reflected echo signals; determining the position of the to-be-measured body in the environment according to the echo signal; matching a threshold range according to the position of the to-be-detected body; and comparing the temperature of the to-be-detected body with the threshold range to determine the human body detection information in the environment. Whether a person exists in the current environment or not is detected by combining electromagnetic wave ...

Wire controller and air conditioner

The invention provides a wire controller and an air conditioner. The wire controller includes: a panel; the mainboard is electrically connected with the panel; the binding post is electrically connected with the mainboard; the inner shell is connected with the panel and forms an accommodating space with the panel, and the mainboard and the binding post are arranged in the accommodating space; and the sealing part is arranged in the accommodating space, is positioned between the binding post and the inner shell, and is configured to seal a gap between the binding post and the inner shell. The air conditioner comprises the wire controller. Based on the wire controller provided by the invention, the wire connector can be prevented from being affected with damp.

Initiative and objective integrated energy storage power station active safety level evaluation algorithm

The invention discloses a subjective and objective integrated energy storage power station active safety level evaluation algorithm, which constructs an energy storage power station active safety evaluation index system based on analysis of influence factors such as fire explosion, chemical risk and electrical risk. The joint weight of active safety evaluation indexes of each energy storage power station is calculated by adopting an analytic hierarchy process, and language evaluation of experts on each evaluation index is quantified and integrated by adopting a D-S (Dempster-Shafer) evidence theory. And then, sorting the evaluation indexes according to the trust interval, selecting six indexes with the maximum influence degree on the active safety of the energy storage power station, performing active safety level evaluation on the energy storage power station, and obtaining an evaluation value. The method has low requirements on test and experiment conditions, has no requirement on early-stage ...

Mylar wrapping all-in-one machine

The invention discloses a Mylar packaging all-in-one machine, and belongs to the technical field of battery processing, the Mylar packaging all-in-one machine comprises a processing bin, a supporting table, a battery cell positioning mechanism, a packaging assembly, a lifting mechanism, a heat sealing mechanism, a top cover positioning mechanism and a blanching mechanism, the supporting table is arranged in the processing bin, the lifting mechanism is arranged on the supporting table, the heat sealing mechanism is arranged on the lifting mechanism, and the top cover positioning mechanism is arranged on the top cover positioning mechanism. The top cover positioning mechanism is arranged on the heat sealing mechanism and movably matched with the heat sealing mechanism, the wrapping assembly is installed on the supporting table and located below the heat sealing mechanism, the battery cell positioning mechanism is arranged at the side end of the wrapping assembly, and the blanching mechanism ...

Water well drilling rig assembly station transfer device and working method

The invention discloses a water well drilling rig assembly station transfer device and a working method. Based on a carrying and transporting device, a water well drilling rig needing to be assembled is carried to a needed station to be assembled; the carrying and transporting device comprises a construction foundation, a guide rail laid on the construction foundation, a bearing RGV installed on the laying guide rail in a sliding mode, a hydraulic lifting device installed on the bearing RGV and a station treading table arranged on the construction foundation, and the station treading table is arranged beside the laying guide rail and used for containing the water well drilling rig needing to be assembled. A water well drilling rig needing to be assembled is carried from one station foot board to the other station foot board through the hydraulic lifting device and the bearing RGV to be assembled, when station transfer needs to be conducted, the bearing RGV automatically walks to the needed ...

News recommendation method and system based on candidate perception fine-grained interaction information

The invention belongs to the field of news recommendation, provides a news recommendation method and system based on candidate perception fine-grained interaction information, and aims at solving the problem that similar news is difficult to distinguish when forming vector representation, fully fusing features of candidate news and historical news so as to better match the candidate news and the historical news. The invention further provides a method for solving the problem that similar news vectors are similar in representation so as to realize accurate matching. And matching the text fragments of the candidate news and each piece of historical news on each semantic granularity through a fine granularity interaction module. Therefore, interaction of the two on the word level is achieved, and similar historical news is helped to form more specific and accurate representation. In addition, a relation between user historical behaviors and candidate news is established through an activation ...

Quick frequency response control method and system for wind power plant

According to the wind power plant fast frequency response control method and system provided by the invention, through a weighted average distribution strategy, the adjustable capacity of a wind turbine generator is sufficient to execute the distributed power, so that the execution time of a fast frequency response power instruction distribution link can be effectively shortened, and the efficiency is improved. The probability of secondary distribution possibly occurring in average distribution is avoided, and meanwhile the execution time of overall power adjustment of the wind power plant is shortened.

Automatic packaging line for aluminum foil lining paper

The invention relates to an automatic packaging line for aluminum foil lining paper. The automatic packaging line comprises a first conveying track, an automatic discharging machine, a second conveying track and a packaging labeling machine which are arranged in sequence. The automatic unloading machine comprises a base, a feeding device, a receiving device and adjustable supporting legs. The base is kept horizontal by adjusting the height of the bearing nut on the supporting legs. The feeding device comprises a rotating shaft, a horizontal feeding mechanism, a feeding motor and a sleeve; the horizontal feeding mechanism comprises a mounting seat, a lead screw motor, a lead screw, a nut, a push claw and a guide sleeve; the material receiving device comprises a support, an L-shaped material receiving plate, a linear bearing, a material receiving air cylinder, a mandrel, a supporting plate and an overturning air cylinder. A limiting device is arranged on the bracket; the packaging and labeling ...

Directly be used for experimental geotome of original state soil sample dynamic characteristics

... 本实用新型涉及直接用于原状土试样动力特性试验取土器，有效解决现有取土器采集的砂土I级原状试样在实验室内加工制备时的困难和容易扰动砂土样品原状结构的问题，上外筒和下外筒旋装，下外筒两侧有滑槽，上外筒下部内的弹簧压在下外筒内的内筒顶部，内筒顶部两侧有伸出滑槽外侧的侧耳，侧耳下方在内筒两侧有和滑槽相对应的软管孔，内筒旋装在废土管上；废土管与取土管连接，取土管和管靴连接，本实用新型结构简洁，装卸方便，是在钻孔中采集用于土动力特性试验的砂土I级原状试样的较理想工具之。 ...

Wheel-type wall-climbing robot for high-curvature pipe diameter surface and motion control method of wheel-type wall-climbing robot

The invention relates to a wall-climbing robot, in particular to a wheel type wall-climbing robot for a high-curvature pipe diameter surface. Comprising a robot control system, a detection sensing system, a passive compliance system, a robot rack and a driving system, wherein the passive compliance system and the robot control system are arranged at the front end and the rear end of the robot rack; the driving system comprises a left front wheel driving device, a right front wheel driving device, a left rear wheel driving device and a right rear wheel driving device, the left front wheel driving device and the right front wheel driving device are arranged below the passive compliance system, and the left rear wheel driving device and the right rear wheel driving device are arranged below the rear end of the robot rack; the detecting and sensing system is installed on the passive compliance system and the robot rack and used for detecting pose information of the robot rack and rolling and ...

Whole life cycle research method of reed resources

The invention discloses a whole life cycle research method of reed resources, which specifically comprises the following steps: S1, seedling treatment: in a growth period before average temperature of 15-30 DEG C every year, taking thick and strong reed stems in the period as seedlings, cutting off the roots, and selecting the seedlings with the height of 30-45 cm as cultivation seedlings; the method comprises the steps of S1, soil preparation treatment, S3, seedling planting and S4, maintenance treatment. The invention relates to the technical field of reed planting. According to the full life cycle research method for the reed resources, multi-pit planting can be carried out when the reeds are planted, so that researchers can conveniently and well control the life cycle of the reeds, and the purpose of rapidly and conveniently carrying out reed growth research is well achieved; the situation that the life cycle of reed planting is difficult to control and observe due to concentrated planting ...

Amorphous Mo-Si-Mo-O film catalyst, preparation method thereof and application of amorphous Mo-Si-Mo-O film catalyst in electrolyzed water

The invention discloses an amorphous Mo-Si-Mo-O thin film catalyst, a preparation method thereof and application of the amorphous Mo-Si-Mo-O thin film catalyst in electrolyzed water, and belongs to the technical field of catalysts. The amorphous Mo-Si-Mo-O film catalyst is prepared according to the following steps: carrying out surface cleaning and drying treatment on a substrate to obtain a treated substrate; the method comprises the following steps: mounting a treated substrate in a vacuum chamber of magnetron sputtering equipment, carrying out glow sputtering cleaning, introducing argon and oxygen into the vacuum chamber, carrying out double-target co-sputtering by adopting a Mo target and a Si target, and carrying out deposition to obtain the amorphous Mo-Si-Mo-O film. According to the invention, the efficient amorphous Mo-Si-Mo-O film catalyst is prepared by using a magnetron sputtering technology.

Feeding mechanism and material separation device for pet snack food production

The embodiment of the invention provides a feeding mechanism for pet snack food production and a material separation device, and relates to the technical field of pet snack food production equipment. The feeding mechanism for pet snack food production comprises a feeding storage part and a pre-screening part. The feeding storage part comprises a feeding bin and a feeding pipe, and the top end of the feeding pipe communicates with the bottom of the feeding bin. The pre-screening part comprises a center plate, a flexible ring belt, a screen plate and a vibration motor, the outer side and the inner side of the screen plate are fixedly arranged with the flexible ring belt and the center plate respectively, the outer edge of the flexible ring belt is fixedly arranged with the inner wall of the feeding bin, and the vibration motor is installed at the bottom of the center plate. According to the grain screening device, crushed grains and grain husk dust mixed in grains are treated at the same ...

Image preprocessing method and system for plankton in-situ observation

The invention discloses an image preprocessing method and system for plankton in-situ observation, and the method comprises the steps: collecting a plankton in-situ image through an in-situ imager, and carrying out the first preprocessing of the in-situ image, and obtaining a first preprocessed in-situ image; transmitting the first pre-processed in-situ image to a server side for second pre-processing to obtain a second pre-processed image; storing the second pre-processed in-situ image in a server side; the system comprises an in-situ imager, a communication network and a server, and performs focusing degree evaluation on a target ROI image by using a gradient extreme value of a target edge or a deep learning neural network model. By implementing the method, the computing resource consumption of the in-situ imager is reduced, the overall efficiency of the preprocessing process and the accuracy of ROI image focusing evaluation are improved, the target position is detected through a method ...

Canning and transferring device for pet food processing

The embodiment of the invention provides a canning and transferring device for pet food processing, and relates to the technical field of transportation and transferring. The canning and transferring device for pet food processing comprises a transferring mechanism, and the transferring mechanism is provided with a lifting mechanism; the clamping mechanism comprises a supporting plate and a clamping plate, one end of the clamping plate is hinged to the supporting plate, and the movable end of the lifting mechanism is connected with the supporting plate and used for driving the supporting plate to ascend and descend; and the driver is arranged corresponding to the clamping plate and is used for pushing one end of the clamping plate to rotate around the supporting plate. In the clamping state, the lifting mechanism is controlled to drive the supporting plate to ascend, so that the lower end of the tank body is suspended, transfer operation can be conveniently conducted through the transfer ...

Core spring and shell feeding and placing and can sealing and sealing detection device

The invention provides a core spring and shell feeding, placing, can sealing and sealing detection device which is characterized in that a conveying roller and a conveying belt are arranged at the two ends of a conveying frame of a workpiece conveying device of a conveying, recognizing and placing device, and a position recognizing system and a placing robot are arranged at one end of the conveying frame; a filter element feeding device of the core spring and shell feeding device is located at one end of the workpiece conveying device, spring conveying wheels are installed at the two ends of a spring frame of a spring conveying device of the spring feeding device, a spring conveying belt provided with a plurality of spring rods is hung on the spring conveying wheels, and a spring vibrating disc is located at the end, away from a lifting cylinder, of the spring conveying device. A spring recognition system and a spring robot are arranged on the two sides of the spring feeding device correspondingly ...

Pouring method of bare concrete cylinder

The invention provides a casting method of a fair-faced concrete cylinder, which comprises the following steps: S1, selecting a concrete material, including concrete performance and raw material technical performance; s2, manufacturing of a special pouring appliance, wherein manufacturing and assembling methods of a tumbling barrel funnel of the special appliance are included; s3, manufacturing and construction of a pouring template, including manufacturing of a sizing large steel circular template and a construction process of the sizing large steel circular template; s4, reinforcing steel bar engineering; s5, pouring construction engineering: maintenance and finished product protection, including plastic film covering and finished product protection during beam and slab construction; according to the construction method, through manufacturing and using of the tumbling barrel funnel which is a special appliance and mutual cooperative using of the shaping large steel round formwork, pouring ...

Marine pasture breeding equipment and breeding method

The invention provides marine ranch breeding equipment and a breeding method, and belongs to the technical field of marine breeding. The device comprises a mounting frame, a fry trapping lamp set, a biological bait trapping lamp set, fixed filter screens, a flexible movable filter screen, a driving mechanism and a separation mechanism, the fixed filter screens are fixed to the two opposite sides of the mounting frame, and a first through opening and a second through opening are formed in the two ends of the mounting frame respectively. The fish fry trapping lamp set, the biological bait trapping lamp set, the driving mechanism and the separation mechanism are matched, the bait is automatically trapped by utilizing the phototaxis of fish fries and the bait, the aperture of filter holes of a fixed filter screen and the aperture of filter holes of a flexible movable filter screen are smaller than the size of the bait, and the bait trapping effect is good. Therefore, existing baits in the breeding ...

Motion control method, system and device of lawn mower, storage medium and riding type lawn mower

The invention discloses a lawn mower motion control method, system and device, a storage medium and a riding type lawn mower, the control mode and the motion control strategy of the riding type lawn mower are improved, the current position vector information of a universal control handle is obtained, the current position vector information is converted into a corresponding first voltage signal and a corresponding second voltage signal, and the first voltage signal and the second voltage signal are used for controlling the movement of the riding type lawn mower. The first voltage signal and the second voltage signal are used for correspondingly controlling the rotating speed and the direction of the left driving motor and the right driving motor, so that the advancing speed and the advancing direction of the whole riding type lawn mower are controlled by controlling the rotating speed difference and the rotating direction of the two driving wheels. According to the riding type lawn mower ...

Fault-tolerant operation control method for electric energy meter of wind turbine generator

The invention discloses an electric energy meter fault-tolerant operation control method for a wind turbine generator, which is based on the characteristics of a multi-electric energy meter wind turbine generator, adopts a fault time fault-tolerant mechanism, expands the fault robustness to system-level robustness fault tolerance, and realizes that the wind turbine generator can still perform fault-tolerant unlimited power operation under the condition that a single electric energy meter is abnormal. Therefore, fault shutdown is avoided. Aiming at a multi-winding parallel wind turbine generator with an independent grid-side circuit breaker arranged on the grid-connected side of a winding at present, the single-winding operation function of the converter is utilized to realize that under the condition that a certain winding electric energy meter is abnormal, even if the fault-tolerant operation of the wind turbine generator exceeds the maximum fault-tolerant time, the wind turbine generator ...

Aspect-level emotion tetrad extraction method and system based on deep learning

The invention belongs to the field of deep learning, and provides an aspect-level emotion tetrad extraction method and system based on deep learning, and the method comprises the steps: obtaining an original given statement; based on an original given statement, utilizing a pre-trained aspect-level emotion tetrad extraction model to perform emotion tetrad extraction; wherein emotion tetrad extraction is carried out by utilizing a pre-trained aspect-level emotion tetrad extraction model, and the method comprises the following steps of: extracting aspect words in an original given statement by adopting an in-line label mode; building question template statements based on the extracted aspect words, splicing the question template statements and original given statements, and extracting opinion words paired with the aspect words based on the spliced statements; and generating a corresponding aspect category decoder template statement and an emotion polarity decoder template statement by using ...

VR display method, device, equipment and system

The invention discloses a VR display method, device, equipment and system, and belongs to the field of VR display. When a watching request sent by a user through a user side is received, distributing a corresponding customer service according to user information, and then sending a task to a customer service side held by the distributed customer service; when the customer service terminal receives the distributed task through the customer service terminal, voice call connection is established between the customer service terminal and the user terminal, voice call between the user and the customer service terminal is facilitated, and the picture of the customer service terminal is synchronized to the user terminal; in this way, the picture watched by the user through the user side is the picture on the customer service side, the customer service side can adjust the VR scene on the customer service side to change the scene displayed to the user, even if the scene is large or complex, the ...

Adhesive tape pasting equipment and adhesive tape pasting method thereof

The invention relates to the technical field of fastening devices, in particular to rubberizing equipment and a rubberizing method thereof.The rubberizing equipment comprises a base, a supporting frame and a top support, the supporting frame is fixedly installed on the lower surface of the base, the top support is fixedly installed on the upper surface of the base, and an adjusting mechanism is arranged on the top support; the top support is provided with a rubberizing mechanism, the top support is provided with a mounting mechanism, the rubberizing mechanism comprises a vertical split type back plate, the side wall of the vertical split type back plate is fixedly provided with an assembling side surface mounting plate, and the assembling side surface mounting plate is fixedly provided with a second oil cylinder; according to the battery gluing device, by controlling the fourth guide roller to ascend and descend, the fourth guide roller and the seventh guide roller form an extrusion mechanism ...

Preparation method of flower-like MgFe2O4/ZnO heterojunction material and application of flower-like MgFe2O4/ZnO heterojunction material in photocatalysis

The invention relates to a preparation method of a flower-like MgFe2O4/ZnO heterojunction material and application of the flower-like MgFe2O4/ZnO heterojunction material in photocatalysis, and belongs to the technical field of photocatalytic material preparation. ZnO is prepared from zinc nitrate and hexamethylenetetramine, and then the flower-like MgFe2O4/ZnO heterojunction material is prepared by adopting a co-deposition method; the prepared flower-like MgFe2O4/ZnO heterojunction material can be used as a catalyst for photocatalytic degradation of pollutants. The method is simple to operate and good in repeatability, and the prepared sample has the characteristics of excellent morphology, high specific surface area, high yield, high purity and the like.

Impact-resistant integrated high-voltage cabinet

The invention discloses an impact-resistant integrated high-voltage cabinet, and relates to the technical field of high-voltage cabinets, the impact-resistant integrated high-voltage cabinet comprises a high-voltage cabinet, the positive end of the high-voltage cabinet is hinged with a sealing door, the positive end of the sealing door is fixedly connected with a pulling plate, the pulling plate is located at the center of the surface of the sealing door, and the impact-resistant integrated high-voltage cabinet further comprises a reinforcing part which is arranged in the high-voltage cabinet, the reinforcing component comprises five reinforcing frames which are fixedly connected with the inner wall of the high-voltage cabinet. The reinforcing parts are arranged in the high-voltage cabinet, the high-voltage cabinet is reinforced through the reinforcing parts, the impact resistance of the high-voltage cabinet is improved through the reinforcing frame, and the compression-resistant parts ...

Device for measuring distance between bolts on fan

The invention particularly relates to a device for measuring the distance between bolts on a fan, and solves the problem that there is no suitable device for monitoring the state of the bolts on the fan at present. The invention discloses a device for measuring the distance between bolts on a fan. The device comprises a shell, a sleeve, a magnetic grid, a movable rod, a magnetic sensor, a circuit board, at least one fixed rod and at least two springs, the fixed rod is fixedly mounted in the shell; the sleeve is arranged on the fixing rod in a sleeving mode, and the two springs are arranged on the fixing rod in a sleeving mode and located at the two ends of the sleeve respectively. The movable rod is horizontally fixed on the side wall of the sleeve; the magnetic grid is fixed on the movable rod, the magnetic sensor is fixed on the circuit board, and the magnetic sensor corresponds to the magnetic grid; and a control unit connected with the magnetic sensor is arranged on the circuit board ...

Mounting box and air detection wire controller

The invention relates to the technical field of life electric appliances, in particular to an installation box and an air detection wire controller, the installation box is used for installing a detection module, the detection module is provided with a supporting piece, the installation box comprises a shell, a power module and a door plate assembly, and the shell is provided with a cavity and an opening communicated with the cavity; the power supply module is arranged in the cavity of the shell and used for being in butt joint with the detection module; the door plate assembly comprises an opening and closing plate and a linkage mechanism, the opening and closing plate has a first state of covering the opening and a second state of sliding into the cavity, and the linkage mechanism can be matched with the supporting piece to control the opening and closing plate to be switched between the first state and the second state; when the detection module is in butt joint with the power supply ...