电动车配件(赫拉款)

汽车

Spatial information network clock asynchronous security authentication method based on elliptic curve cryptography

The invention provides a spatial information network clock asynchronous security authentication method based on elliptic curve cryptography. The method comprises an initialization stage, a registration stage, a login and authentication stage and a password change stage, wherein the initialization stage comprises the following steps: the NCCs publishes system parameters; the login and authentication stage comprises the following steps: the mobile equipment receives login parameters input by a mobile user Ui, calculates intermediate parameters according to the login parameters, and compares whether the intermediate parameters are equal to mi or not; the mobile device sends M1 = < PIDi, alphai, Qi, N0 > to LEOSq; after receiving the message, the LEOSq forwards the message to the NCCs; after the NCCs receive the data, the NCCs find the matched h (IDi) in the verification program table by using the N0 through calculation: if the matched h (IDi) cannot be found, the NCCs reject the request of ...

Multi-level composite inspection AI artificial intelligence robot

The invention discloses a multi-layer composite inspection AI artificial intelligence robot, which comprises a mounting frame, a lifting mechanism, a slow descending mechanism, a transfer ladder cabinet and a robot body, and is characterized in that the mounting frame comprises a first track and a second track, and the first track and the second track are distributed at different heights; the lifting mechanism is used for lifting the transfer ladder cabinet and enabling the transfer ladder cabinet to move to the first rail from the second rail, and the slow descending mechanism is used for descending the slow descending ladder cabinet. According to the invention, a plurality of tracks with different inspection angles are arranged, the AI artificial intelligence robot carries out inspection on the first track through the AI artificial intelligence image processing camera arranged on the first track, and when an abnormity or a dead angle is found, the transfer among the different tracks is ...

METHOD AND APPARATUS FOR IMPLEMENTING SLOW SHUTTER PHOTOGRAPHY

A method and an apparatus for implementing slow shutter photography, comprising: receiving a slow shutter photography command; during a slow shutter photography exposure time, using a preset time as the exposure time to take two or more short exposure photographs, in order to obtain two or more short exposure pictures; performing alignment processing of the two or more short exposure pictures, and superposing the aligned two or more short exposure pictures to obtain a long exposure picture.

仪表（YB-G01）

Off-line contact type data interaction device and method

The invention discloses an off-line contact type data interaction device and method, belongs to the technical field of data transmission, solves the problem that an efficient and safe data transmission mode is lacked in a working environment with high confidentiality requirement, and comprises an antenna, a controller, a protocol stack module, an SE safety module, a terminal module and a power supply, the SE security module comprises a security chip, an SE access interface module and an SE access control module; the method comprises the following steps: A, a communication initiator sends data to generate an initiator energy field; b, a communication receiving target party receives data sent by the communication initiator in a monitoring mode; c, the communication initiator closes the initiator energy field and is in a monitoring mode; d, the communication receives data sent by the target party, generates a target party energy field and sends the data to the communication initiator; and ...

Frequency conversion method of W-band frequency synthesizer module, W-band frequency synthesizer module and system

The invention discloses a frequency conversion method of a W-band frequency synthesizer module, the W-band frequency synthesizer module and a system, and is characterized in that a constant temperature crystal oscillator is connected with a phase-locked loop PLL1 and a phase-locked loop PLL2, the phase-locked loop PLL1 is connected with an eight-time frequency multiplier through a DDS unit, a first radio frequency signal generation unit, a second radio frequency signal generation unit and a first frequency mixer in sequence, and the eight-time frequency multiplier is connected with a second frequency synthesizer through a second frequency mixer; the PLL2 is connected with the first frequency mixer; the first radio frequency signal generation unit and the second radio frequency signal generation unit have the same structure, the first radio frequency signal generation unit comprises a two-way power divider, a second frequency mixer and a band-pass filter, one output end of the two-way power ...

Dual-power-supply spare power automatic switching lock-up control circuit

The invention belongs to the field of power supply technology application, and relates to a dual-power-supply spare power automatic switching locking control circuit which comprises a direct-current power supply positive electrode + KM, a Q1 protection outlet tripping loop, a Q2 protection outlet tripping loop, a spare power automatic switching locking control loop and a direct-current power supply negative electrode-KM. The positive pole + KM of the direct-current power supply is connected with the Q1 protection outlet tripping loop, and the Q2 protection outlet tripping loop and the spare power automatic switching locking control loop are connected in parallel and return to the negative pole-KM of the direct-current power supply to form a loop. The method is easy, convenient and feasible to implement, does not need extra investment, and can realize spare power automatic switching and ensure reliable operation of power supply when two paths of high-voltage inlet wire power supplies lose ...

WELL BORE PRESSURE MODEL PREDICTION SYSTEM CONTROL METHOD

The present invention relates to the technical field of well bore pressure control. Disclosed is a well bore pressure model prediction system control method, comprising: detecting during construction the well bottom pressure, vertical casing pressure, injection flow rate and outlet flow rate, and determining the presence of overflow or leakage; if there is no overflow or leakage, then fine-adjusting the wellhead casing pressure according to the slight fluctuations of the well bottom pressure or the vertical casing pressure, ensuring that the well bottom pressure or the vertical casing pressure are at the set value; if there is overflow or leakage, then using a well bore multi-phase flow dynamic model to simulate and calculate the overflow or leakage position and the overflow or leakage starting time, predicting the variation over a future time period of the well bore pressure in the well drilling process, and utilizing an optimization algorithm to calculate the control parameter under the ...

电动车整车(大G)

SHOOTING METHOD, SHOOTING DEVICE AND COMPUTER STORAGE MEDIUM

A shooting method, a shooting device and a computer storage medium. The shooting method comprises: continuously collecting images; reading the collected images and identifying a light painting region in the currently read image; extracting the light painting region and superposing the light painting region on a foundation image at a corresponding position to perform image synthesis and generate a synthesized image, and using the synthesized image as the foundation image for the next time of image synthesis; capturing the synthesized image and performing coding processing on the captured synthesized image; and converting image data after the coding processing into a video file after the shooting is completed.

Linear engineering terrain complexity measuring method and device

The invention discloses a linear engineering terrain complexity measurement method and device. The method comprises the following steps: acquiring terrain complexity data of linear engineering; performing coarse graining on the terrain complexity data according to each preset scale factor to obtain each data sequence; respectively solving a sample entropy value of each data sequence; based on the length of each data sequence and each sample entropy value, constructing an entropy distribution curve of linear terrain complexity; and obtaining a linear engineering terrain complexity value based on the entropy distribution curve of the linear terrain complexity. According to the method and the device provided by the embodiment of the invention, the method for quantitatively measuring the complexity of the linear engineering terrain is provided, the complexity characteristics of the linear engineering terrain can be comprehensively and objectively described and measured, the measurement result ...

ENERGY CONSUMPTION MEASURING METHOD AND ENERGY CONSUMPTION MEASURING SYSTEM

An energy consumption measuring method and an energy consumption measuring system. According to the energy consumption measuring method and the energy consumption measuring system, exercise data of a user is processed to obtain corresponding exercise characteristic vectors of the user in a period of time, and the obtained exercise characteristic vectors are compared with standard exercise characteristic vectors in a database to obtain energy consumption in the period of time. If the obtained exercise characteristic vectors match the standard exercise characteristic vectors, the energy consumption value is obtained according to data in the database; and if the obtained exercise characteristic vectors do not match the standard exercise characteristic vectors, the user is allowed to create a self-defined motion model and input the corresponding energy consumption value. By means of the energy consumption measuring method and the energy consumption measuring system, the calculation is more ...

LIGHTWEIGHT BONE-CONDUCTIVE BLUETOOTH EYEGLASSES

Disclosed are lightweight bone-conductive Bluetooth eyeglasses, comprising an eyeglass frame (1), eyeglass temples (2), earpieces (10), a bridge (16), and a nosepiece (5), wherein the eyeglass temple (2) is provided internally with a lithium battery (3) and a Bluetooth circuit board (7); the two earpieces (10) are provided internally with bone-conductive speakers (12); a microphone (6) is provided in the eyeglass temple (2), the bridge (16) or the nosepiece (5); wires are provided inside the eyeglass frame (1), the eyeglass temples (2) and the earpieces (10); and the microphone (6), the lithium battery (3), the Bluetooth circuit board (7) and the bone-conductive speakers (12) are connected by the wires. The eyeglass temple (2) and the earpiece (10) are separate and connected by a rotary shaft (11) or a spring hinge device (15); or the earpiece (10) is a metallic hose earpiece; or the eyeglass temple (2) is integrated with the earpiece (10). The earpiece (10) is provided therein with a stepped ...

Reamer for geological exploration

The invention belongs to the technical field of geological prospecting, and particularly relates to a geological prospecting reamer which comprises a reaming device and a ground gripping device, the reaming device is located at the top of the ground gripping device and connected with the ground gripping device, the reaming device comprises a punching assembly and further comprises a compression assembly connected with the punching assembly, the punching assembly comprises a top sleeve, and the compression assembly is connected with the top sleeve. According to the device, exploration holes with different hole diameters can be conveniently manufactured by replacing the weight increasing sleeves with different diameters, after reaming is completed, the push plate connected with the square rotating plate can continuously extrude the side walls of the exploration holes through the pulling force of the first spring, and therefore the side walls of the exploration holes can be continuously expanded ...

METHOD AND SYSTEM FOR CONTROLLING VOLTAGE INVERTER

Disclosed are a method and system for controlling a voltage inverter. The method and system relate to a combination, in an inverter, of rotor angle-droop control technology and virtual synchronous generator technology. The difference between a preset angle reference value and the angle of a virtual rotor in a GPS-determined synchronous-rotation coordinate system in an inverter is calculated, then a proportional differential algorithm is used to obtain the input mechanical power of the virtual rotor; using the output active power obtained from the virtual input mechanical power and measurement, it is possible to determine according to an equation of the motion of the rotor the angle of the virtual rotor. The angle ultimately is taken as a modulation wave angle and outputted to an SPWM inverter control. The method and system of the present invention ensure that after a load in a microgrid has changed, the accurate tracking of load changes autonomously performed by the inverter power supply ...

Spectacle case and glasses charge

... 本实用新型涉及一种穿戴设备组件，尤其是一种充电眼镜盒以及眼镜。包括眼镜盒、充电装置，眼镜盒包括盒体，在盒体内设有导电片，导电片设置在盒体的底部，充电装置与眼镜盒连接。上述结构在盒体内设置导电片，那么在穿戴眼镜放入到眼镜盒内的时候，可以与眼镜上的导电部件接触进行充电，当然在眼镜上的用于充电元件可以是任意的导电片，可以采用接触、插接等各种方式进行接触充电，可以外置携带，将眼镜盒作为眼镜的外置电源使用，不仅改变了充电的方式，同时也方便使用，还能保护眼镜。 ...

Low-modulus flexible gelatin electrostatic spinning fibrous membrane and preparation method thereof

The invention belongs to the technical field of biomedical composite materials, and particularly relates to a low-modulus flexible gelatin electrostatic spinning fibrous membrane and a preparation method thereof.The fibrous membrane is prepared from modified gelatin, a zinc ion loaded material and a solvent; the modified gelatin comprises any one or more of methacrylate gelatin, methacrylamide gelatin, acrylate gelatin and acrylamide gelatin. When used for cell culture, through the synergistic effect of a mechanical signal and metal ions, the metal ion/mesenchymal stem cell composite material induces adhesion and osteogenic differentiation of in-vitro mesenchymal stem cells and regeneration of in-vivo new bones, shows good bone induction and bone regeneration capacities, and provides a new idea for improving functional reconstruction of defective bone tissues through bionic design of various regulation and control factors.

Heating, ventilation and air conditioning load prediction and analysis system based on data analysis

The invention discloses a heating ventilation air conditioner load prediction and analysis system based on data analysis, which comprises a temperature acquisition unit, an analysis processing unit, an environment prediction unit, a signal execution unit and a feedback optimization unit, and is characterized in that the temperature acquisition unit is used for acquiring indoor temperature, heating load data and outdoor temperature; and the indoor temperature, the heating load data and the outdoor temperature are sent to the analysis processing unit. The heating load is obtained by analyzing the indoor temperature and the outdoor temperature, the heating load is synchronously adjusted when the outdoor temperature changes, the indoor temperature can be effectively kept unchanged, the stability of the indoor temperature is guaranteed, the comfort of indoor personnel is improved, the indoor temperature after the heating load changes is monitored through the feedback optimization unit, and the ...

SYNTHESIS METHODS FOR UPADACITINIB AND INTERMEDIATE THEREOF

Provided are a JAK inhibitor upadacitinib intermediate and a preparation method therefor, and a preparation method for a JAK inhibitor upadacitinib. The upadacitinib intermediate is as shown in formula (II) or formula (III), wherein R is a nitrogen atom protecting group, and R1 is an open chain or cyclic amine group. Compared with the prior art, the method for synthesising upadacitinib, under the premise of ensuring the yield, significantly reduces costs, is environmentally friendly, and improves the quality of the final product.

Detachable and dissolvable three-dimensional cell culture carrier and preparation method thereof

The invention discloses a dissolvable three-dimensional cell culture carrier capable of being assembled and a preparation method thereof, and belongs to the technical field of cell culture.The dissolvable three-dimensional cell culture carrier is prepared by taking chitosan as a raw material, firstly preparing chitosan microspheres and then sequentially adding a proper amount of acid and alkali; the characteristics of chitosan are fully utilized, the dissolvable three-dimensional cell culture carrier capable of being assembled can be obtained through simple acid-base action, and the obtained carrier has a porous structure, is beneficial to permeation of nutrients and metabolites and can be used for in-vitro cell culture; the preparation method is simpler in steps, easy to operate and low in cost, and the obtained product is high in purity.

Galvanized steel sheet connecting device

The invention discloses a galvanized steel sheet connecting device, and belongs to the technical field of air duct manufacturing devices. Comprising a magnetic adsorption vehicle, a supporting frame arranged on the magnetic adsorption vehicle and an air hammer arranged on the supporting frame and located outside the magnetic adsorption vehicle. The magnetic adsorption vehicle comprises a vehicle body provided with magnetic adsorption wheels, and two guide pieces correspondingly arranged at the two longitudinal ends of the vehicle body; during operation, the magnetic adsorption wheel is adsorbed to run on the top surface of a galvanized steel sheet, the two guide pieces are respectively matched with the joint angle seam, and a hammer head of the air hammer acts on the top surface of the joint angle seam. The galvanized steel sheet connecting device is simple in structure and manufacturing, convenient to disassemble and assemble, high in automation degree, time-saving, labor-saving, uniform ...

Information operation and maintenance management system based on big data

The invention discloses an information operation and maintenance management system based on big data, and relates to the technical field of information operation and maintenance, the system comprises an operation and maintenance center, the operation and maintenance center is in communication connection with a data acquisition module, a data processing module, an alarm mechanism module and a life cycle module; the data acquisition module acquires data information from different sources in a multi-dimensional and full-coverage manner; after data mining and machine learning are carried out on the collected data information through a data processing module, effective data information is extracted; the alarm mechanism module sets a threshold value, and sends corresponding alarm information to an administrator when the corresponding threshold value is reached; and the life cycle module assigns different life cycles to the nano-library data according to the alarm information, so that operation ...

CLEANER

A cleaner comprises a clear water tank (1), a water pump (2) and a cleaning head (4). A water outlet of the clear water tank (1) is connected to the water pump (2), and a water outlet of the water pump (2) is connected to the cleaning head (4) through a water outlet pipe (3). The cleaner further comprises a water outlet control switch (5) and a one-way water pressure control valve (6). The water outlet control switch (5) is arranged on the water outlet pipe (3). A water inlet of the one-way water pressure control valve (6) is connected to the water outlet pipe (3), and the connecting part is located between the water outlet control switch (5) and the water pump (2). A water outlet of the one-way water pressure control valve (6) is communicated with a water inlet of the clear water tank (1).

COMMUNICATION CAP

The present invention relates to a communication cap. The communication cap comprises a cap peak, a wearing apparatus, and an audiovisual communication apparatus. The cap peak is disposed on the wearing apparatus. The audiovisual communication apparatus is disposed on the wearing apparatus or the cap peak and comprises a playing device, a display prism that is positioned at the front part of a display screen of the playing device, a microphone, and a loudspeaker. The playing device is disposed on the cap peak. The display prism and the playing device are correspondingly disposed. The microphone is disposed on the cap peak. The loudspeaker is disposed on the wearing apparatus. According to the present invention, a common cap is additionally provided with devices such as a camera, the display prism, a bone conduction earphone, a Bluetooth device, and a solar panel, so that the communication cap has the advantages of long battery life, functional diversification, good audiovisual effect, low ...

Internet of Things data management system and method

The invention discloses an Internet of Things data management system and method. The system comprises an information acquisition module, a data analysis module, a data diagnosis module and a terminal module. The information acquisition module is used for acquiring Internet of Things information, converting the Internet of Things information into a standardized document in a unified format, and sending the standardized document to the data analysis module; the data analysis module is used for analyzing the standardized document and generating suspected fault information; the data diagnosis module is used for performing information diagnosis on the suspected fault information to obtain final fault information; and the terminal module is used for sending the final fault information to the computer. According to the Internet of Things data management system, the management timeliness of the Internet of Things data is greatly improved, and the management efficiency of the Internet of Things ...

Staphylococcus aureus and application thereof

The invention is suitable for the technical field of biology, and provides a staphylococcus aureus which is named as staphylococcus aureus CHPC1.8395, is preserved in the China General Microbiological Culture Collection Center (CGMCC), and has the preservation number of CGMCC No.25904. The staphylococcus aureus is named as staphylococcus aureus CHPC1.8395, and the staphylococcus aureus is named as staphylococcus aureus CHPC1.8395 and is preserved in the China General Microbiological Culture Collection Center (CGMCC). The invention also provides an application of the staphylococcus aureus in testing the antibacterial effect of a chlorine-containing disinfectant. The staphylococcus aureus provided by the invention can replace staphylococcus aureus ATCC6538, and in daily application and scientific research, when a chlorine-containing disinfectant minimum inhibitory concentration (MIC) determination test (nutrient broth dilution method) is carried out, the staphylococcus aureus is used as a ...

METHOD AND APPARATUS FOR OPTIMIZING LIGHT-PAINTED IMAGE

A method and apparatus for optimizing a light-painted image. The method comprises: in a continuous image acquisition process, determining a moving track of a photographed object to obtain a light-painted image of the photographed object; before or after the step of determining a moving track of a photographed object to obtain a light-painted image of the photographed object, selecting a fill effect drawing from pre-stored fill effect drawings; and synthesizing the fill effect drawing and the light-painted image to obtain a light-painted image having a fill effect. By means of the technical solution of the present invention, the shooting effect of the moving track can be optimized in real time, and an ideal shooting effect can be achieved no matter what moving track is photographed by a user, so that the preparation of the user before shooting is simplified.

DEFECATION CLEANER CUP COVER STRUCTURE AND DEFECATION CLEANER

Disclosed are a defecation cleaner cup cover structure and a defecation cleaner.The defecation cleaner cup cover structure comprises a base and a flexible cup cover (1) provided outside the base and connected thereto, wherein the shape of the flexible cup cover is suitable to the shape of the base and the flexible cup cover is able to cover the base and the hip periphery of a user; and the defecation cleaner cup structure further comprises a cup cover space adjustment unit (3), which is able to adjust the space between the flexible cup cover and the user so as to make the contact part of the flexible cup cover and the user body have better sealing tightness, thereby guaranteeing a good cleaning effect and wearing comfort.

METHOD AND DEVICE FOR DELETING CASCADE SNAPSHOT

Disclosed are a method and device for deleting a cascade snapshot. The method is applied to a storage apparatus, and the storage apparatus comprises a LUN. The LUN corresponds to a plurality of cascade snapshots, and at least comprises a first snapshot, a second snapshot and a third snapshot, wherein the second snapshot is a parent snapshot of the first snapshot, and the third snapshot is a child snapshot of the first snapshot. Upon receiving an instruction to delete the first snapshot (401), the first snapshot comprising target data; migrating information of the target data to the second snapshot (402), wherein the information of the target data comprises a time stamp of the first snapshot, the time stamp of the first snapshot being set when the first snapshot is created; setting an identifier of the parent snapshot corresponding to the third snapshot as an identifier of the second snapshot (403), the set identifier of the parent snapshot corresponding to the third snapshot indicating ...

Method for changing IGS valve runner

The invention discloses a method for changing an IGS valve runner, which comprises the following steps: S1, designing a group of valve parts comprising a valve and a conversion block, arranging the conversion block at the bottom of the valve, and arranging a group of center holes and a group of side holes in the conversion block; s2, a conversion block is installed, a center hole and a side hole of the conversion block are communicated with a center hole and a side hole of the flow path block respectively, the side hole is used for discharging air, and the center hole is used for feeding air; and S3, according to the original flow channel design, the center hole of the conversion block can be communicated with the side hole of the flow channel block, air inlet of the side hole, air outlet of the center hole and air channel communication are achieved, and installation is completed, and the center hole formed in the conversion block comprises a vertical hole and an inclined hole. By means ...

Prostate ultrasonic segmentation model training method and device and prostate ultrasonic segmentation method and device

The invention aims to provide a training method, a segmentation method and a device of a prostate ultrasonic segmentation model, and relates to the field of image processing. The training method comprises the following steps: acquiring paired prostate ultrasound images and Mask maps of each patient; performing data preprocessing on the paired prostate ultrasound images and Mask images of each patient, dividing a training set, and performing data enhancement processing on the paired prostate ultrasound images and Mask images of each patient in the training set; combining the attention mechanism into 3D-UNet to construct a prostate ultrasonic segmentation model, and training the prostate ultrasonic segmentation model according to the training set; extracting prior knowledge of the prostate contour according to the training set and constructing a loss function; and adjusting model parameters of the prostate ultrasonic segmentation model according to the loss function. Prostate ultrasonic segmentation ...

METHOD AND DEVICE FOR ADJUSTING FOCAL LENGTH OF PROJECTOR, AND COMPUTER STORAGE MEDIUM

A method and device for adjusting the focal length of a projector, and a computer storage medium. The method comprises: acquiring a current projection distance (S20), or acquiring at least two groups of corresponding values of focal lengths and definitions at the current projection distance (S10); selecting a correspondence between the focal length and the definition, which best matches the current projection distance, from pre-stored correspondences between focal lengths and definitions at multiple projection distances according to the current projection distance or the corresponding values of the focal lengths and the definitions (S21, S11); obtaining an optimal focal length corresponding to a maximum definition at the current projection distance according to the correspondence between the focal length and the definition that best matches the current projection distance (S12, S22); and adjusting the focal length of the projector to the optimal focal length (S13, S23), so as to obtain ...

Attack detection method and system for industrial bus network based on profibus-DP protocol

The invention belongs to the technical field of network security, and particularly relates to an attack detection method and system for an industrial bus network based on a profibus-DP protocol, and the method comprises the steps: collecting a profibus-DP protocol data package; the data packets are preprocessed, irrelevant data packets are filtered out, and key fields in the remaining data packets are extracted to construct a message sequence; performing key field identification on the message sequence to obtain a state transition diagram in an initialization stage; performing key field identification on the message sequence to obtain a state transition diagram of a data exchange stage; constructing a finite protocol state machine model according to the state transition diagram of the initialization stage and the state transition diagram of the data exchange stage; detecting a fault injection attack and a semantic attack aiming at the industrial bus network based on the profibus-DP protocol ...

SPRAY GUN NOZZLE

A spray gun nozzle. A nozzle head (2) is disposed at one end of a nozzle body (1). A first cylindrical hole (3) is disposed in one end connected to the nozzle head (2), of the nozzle body (1). The nozzle head (2) is disposed in the first cylindrical hole (3). A cylindrical spray opening (6) and a first taper hole (7) are disposed in the nozzle head (2). The nozzle head (2) is in interference fit with the first cylindrical hole (3) of the nozzle body (1), or the nozzle head (2) and the nozzle body (1) are formed by using plastic injection molding or die-casting, and the nozzle head (2) is made of high-hardness steel or high-hardness ceramic. The nozzle head (2) and the nozzle body (1) can be disassembled and assembled, and the nozzle head (2) is made of the high-hardness material, thereby overcoming the defects in the prior art that that nozzle is prone to abrasion and leakage, and the whole nozzle needs to be replaced once the spray gun is damaged.

RANDOM FOREST ALGORITHM-BASED PHOTOVOLTAIC ARRAY FAULT DIAGNOSIS METHOD

The present invention relates to the technical field of photovoltaics. Disclosed is a random forest algorithm-based photovoltaic array fault diagnosis method. The method comprises: acquiring circuit parameter groups corresponding to branches and a main trunk when a photovoltaic array is in typical operation states; constructing a fault feature vector according to the acquired circuit parameter groups to construct a data sample set; constructing a photovoltaic array fault diagnosis model on the basis of a random forest algorithm by using the data sample set; performing diagnosis on a photovoltaic array to be diagnosed using the model to obtain voting results corresponding to the typical operation states; and obtaining a fault diagnosis result of the photovoltaic array to be diagnosed according to the voting results. The method constructs a photovoltaic array fault diagnosis model by using a random forest algorithm on the basis of a data drive idea, is adapted to actual characteristics of ...

PHOTOGRAPHING METHOD, DEVICE AND COMPUTER STORAGE MEDIUM

A photographing method and device, the photographing method comprising the steps of: dividing the photosensitive region of a photosensitive device into at least two sub-regions; adjusting a photosensitive parameter of at least one sub-region; and photographing according to photosensitive parameters of the sub-regions of the photosensitive device. In the technical solution of the present invention, the photosensitive region of a photosensitive device is divided into several sub-regions, such that the sub-regions can be controlled independently; in particular, the photosensitive parameters thereof can be respectively adjusted, and the photosensitive device is equivalent to a controllable optical filter; thereby photographing according to the photosensitive parameters of the sub-regions of the photosensitive device, such that the obtained photograph has brighter colors, more abundant details and clearer images, thus improving a photographing effect and user experience.

BRAKE ENERGY FEEDBACK METHOD AND FEEDBACK SYSTEM FOR ELECTRIC VEHICLE, AND VEHICLE

A brake energy feedback method for an electric vehicle, the feedback method comprising: detecting whether a power battery of an electric vehicle meets a brake energy receiving condition; if so, then feeding brake energy generated by a driving motor of the electric vehicle back to the power battery; and if not, then feeding the brake energy back to a powered apparatus of the electric vehicle. The brake energy feedback method of the present invention prevents damage to a power system, and prevents brake disc damage caused by mechanical braking, thus improving driving safety. Also disclosed are a brake energy feedback system for an electric vehicle and vehicle.

SHOOTING METHOD, SHOOTING DEVICE, AND COMPUTER STORAGE MEDIUM

A shooting method, a shooting device, and a computer storage medium. The method comprises: acquiring a currently output image; determining whether the background of the currently output image is normal; determining a basic image if the background of the currently output image is normal; synthesizing the currently output image and the basic image into a synthetic image; and displaying the synthetic image.

SOC calculation method of lithium iron phosphate battery

The invention discloses an SOC calculation method for a lithium iron phosphate battery, and the method comprises the steps: determining a plurality of SOC threshold points according to an SOC-OCV curve of the battery, determining a plurality of calibration intervals based on the plurality of SOC threshold points, and enabling the adjacent SOC threshold points to respectively correspond to the minimum value and the maximum value of the calibration intervals; the initial time SOCT0 of the battery is obtained, SOCT1 is calculated by using the ampere-hour integral based on the SOCT0, and SOCah corresponding to the ampere-hour integral is determined; obtaining the dynamic voltage of the battery, and determining the corresponding SOCdyn according to the dynamic voltage; obtaining the open-circuit voltage of the battery, and determining the SOCocv corresponding to the open-circuit voltage according to the open-circuit voltage; and according to the calibration interval where the SOCT1 is located ...

Efficient energy-saving heating and ventilation control device based on Internet of Things

The invention discloses a high-efficiency energy-saving heating and ventilation control device based on the Internet of Things, and the device comprises a processor which is in communication connection with a fan monitoring module, a unit management module, an electric power detection module and a storage module. The fan monitoring module is used for monitoring and analyzing the running state of the fan; the fan is marked as a monitoring object, and temperature data WD, humidity data SD and wind speed data FS of an air outlet of the monitoring object are obtained when the monitoring object works. The running state of the fan can be monitored and analyzed, the state coefficient is obtained by comprehensively analyzing and calculating multiple parameters of air at the air outlet of the fan, the air quality of the air outlet of the fan is detected in real time, and feedback is conducted in time when the air is abnormal.

Multi-factor energy transaction method and system

The invention discloses a multi-factor energy transaction matchmaking method and system, and the method comprises the steps: setting the energy characteristic information of a buyer and a seller, and carrying out the matchmaking according to the energy characteristic information and a preset transaction method; transaction is carried out according to the matching result, and energy scheduling is executed. According to the invention, multiple influence factors of energy transaction are comprehensively considered, targeted energy transaction matching is carried out according to energy characteristic information provided by two transaction parties, and the problem that the energy supply time period, the energy supply upper limit, the energy supply stability and the like are not matched due to the fact that only price factors are considered in traditional energy transaction matching is effectively solved; and the achievement rate and the matching degree of the energy transaction are improved ...

IMAGE PHOTOGRAPHING METHOD AND APPARATUS AND COMPUTER STORAGE MEDIUM

Disclosed are an image photographing method and apparatus and a computer storage medium. The image photographing method comprises: collecting an image and outputting same every pre-set time, and judging whether there is an abnormal bright spot in the output image; when there is no abnormal bright spot in the output image, determining a basic image, synthesizing the output image and the basic image into a synthetic image, and taking the synthetic image as the basic image for next synthesization; and displaying the synthetic image synthesized in a photographing process.

MOBILE TERMINAL AND PHOTOGRAPHING METHOD THEREFOR

Provided are a mobile terminal and a photographing method therefor. The mobile terminal comprises: an acquisition module, which is configured to consecutively acquire image data, an adjustment module, which is configured to select image data from the consecutively acquired image data and to adjust an optical parameter of the selected image data, and a compositing module, which is configured to composite the adjusted image data. Employment of the present invention allows the problem in the prior art that photographing effects of exposure modes such as shutter priority or aperture priority cannot be implemented in mobile terminal photography.

METHOD AND SYSTEM FOR ELIMINATING LOW-FREQUENCY OSCILLATION BETWEEN GENERATORS

A method and system for eliminating the low-frequency oscillation between generators. By way of measuring the absolute rotor angle of a generator and controlling the rotational speed of a rotor of the generator, all the absolute rotor angles obtained through measurement are the same when each GPS pulse per second signal arrives. The absolute rotor angles are angles of the internal potential Eq of the generator leading a GPS reference vector. By controlling the absolute rotor angle of the generator, the above-mentioned method and system can achieve the indifference control of a frequency and a rotor angle, can ensure that the position of the generator rotor is unchanged in a PPS defined rotating coordinate system, so as to suppress the low-frequency oscillation better on the premise of not needing the remote measurement, and can also achieve the active automatic in-situ balance during variation of a load, thereby preventing the power fluctuation of a call wire, and ensuring the safe and ...

DISPLAY DEVICE RESOURCE PLAYING METHOD AND DISPLAY DEVICE

The present application provides a display device resource playing method and a display device. According to the present application, a corresponding audio output device can be selected to play audio resources and speak aside information according to an earphone mode and an audio mode at the time of a display device being connected to an earphone and a speak aside output mode under a visual impairment mode. According to embodiments of the present application, the resource playing requirements of a user having visual impairment and a user having normal vision can be satisfied at the same time; when the user having visual impairment and the user having normal vision watch resources at the same time, the user having visual impairment can listen to the audio resources and speak aside information by using the earphone alone, and the user having normal vision can listen to the audio resources by using a loudspeaker of the display device; or, the user having visual impairment can listen to the ...

Directional fuzzy test optimization method and system based on rich branch nodes

The invention discloses a directional fuzzy test optimization method and system based on rich branch nodes, and the method comprises the steps: carrying out the compiling and plug-in installation of a tested program, and extracting the information of a program call graph (CG) and a control flow graph (CFG); energy is given to seeds of an input pool according to a directional fuzzy test energy distribution strategy, a selection strategy selects appropriate seeds according to the seed energy for variation, then a test case is used as input of a compiled and inserted tested program, and coverage rate information is collected in the running process of the tested program; calculating the distance from the test case to the sensitive position through the CG and the CFG; and the energy of the input seeds is changed through the newly added transfer diffusion strategy, so that the comprehensiveness of the directional fuzzy test is improved. According to the method, the coverage rate can be improved ...

Cloud security service implementation system and method

The invention discloses a cloud security service implementation system and method, and particularly relates to the field of cloud security, and the system comprises an enterprise region division module, a data information acquisition module, a data information preprocessing module, a data information processing module, an enterprise security analysis module, an enterprise security risk assessment module, and a cloud environment security database. According to the cloud security service implementation system and method provided by the invention, the data information of each monitoring sub-region of the target science and technology enterprise is obtained, the data is further subjected to averaging or weighted average preprocessing, the processed data result is obtained, the security assessment coefficient is obtained through analysis, and the security assessment coefficient is compared according to the preset security assessment coefficient threshold value. A working area with an abnormal ...

SYNTHESIS METHODS FOR UPADACITINIB AND INTERMEDIATE THEREOF

Provided are a JAK inhibitor upadacitinib intermediate and a preparation method therefor, and a preparation method for a JAK inhibitor upadacitinib. The upadacitinib intermediate is as shown in formula (II) or formula (III), wherein R is a nitrogen atom protecting group, and R1 is an open chain or cyclic amine group. Compared with the prior art, the method for synthesising upadacitinib, under the premise of ensuring the yield, significantly reduces costs, is environmentally friendly, and improves the quality of the final product.

PHOTOVOLTAIC ARRAY FAULT DIAGNOSIS METHOD BASED ON IMPROVED RANDOM FOREST ALGORITHM

Disclosed is a photovoltaic array fault diagnosis method based on an improved random forest algorithm, relating to the field of photovoltaic technology. In the method, a running state of each branch in a photovoltaic array is reflected by means of parameters of a main trunk and each branch of the photovoltaic array, and a running state of each photovoltaic cell assembly in the branch is reflected by means of a voltage difference between arrays among different branches, so as to realize fault location of the photovoltaic array; and by optimizing and improving the three parts, i.e. decision tree weighting and voting, tie processing and the importance measurement of fault features, by means of out-of-package samples, the accuracy of the fault diagnosis can be higher and the reliability of the fault diagnosis can be stronger.

LEASING CABINET OF AUDIO-VISUAL DEVICE

A leasing cabinet of an audio-visual device (40, 43, 46, 500), the leasing cabinet comprising a cabinet (1), wherein a two-dimensional code or password input apparatus (4), a camera (3) and a communication interface (5) are provided on the cabinet (1), and a computer control system (9), multiple drawer cabinets (2, 50, 60, 20) for having the audiovisual device (40, 43, 46, 500) placed therein and a discharge port (11) for outputting a disposable sanitary sticker are provided in the cabinet (1); the two-dimensional code or password input apparatus (4) transmits information to the computer control system (9), and transmits an operation instruction to the computer control system (9); the computer control system (9) controls the opening of the drawer cabinets (2, 50, 60, 20) and the starting of a transmission mechanism (10); and the camera (3) transmits collected video information to the computer control system (9). By means of using the present technical solution, people only need to use a ...

Cable laying guide frame and cable laying method

The invention discloses a method for simultaneously laying a plurality of cables, and aims to solve the problems that in cable laying construction, cables need to be laid on a cable support and can only be laid manually, if a plurality of cables are laid at the same time, dislocation of the cables is easily caused, and the cables are easily damaged due to large gravity and friction force. According to the invention, the cable list is identified and grouped, the structure of the cable laying guide frame is optimized according to the actual conditions of field cables, grouping is realized, and a plurality of cables are laid at the same time at one time. The cable laying device is fixed on the cable support, through supporting of the vertical rolling pulley and the horizontal rolling pulley, the turning position of the cable is in rolling friction, cable damage caused by friction between the turning position and the corner angle is avoided, the cable laying frequency is reduced through cable ...

Driving safety control device in dark light environment

The invention relates to a driving safety control device in a dark light environment, and belongs to the field of driving safety. The driving safety control device in the dark light environment comprises an infrared camera used for obtaining first road image information; the detector is used for acquiring second road image information; and the processor is connected with the infrared camera and the detector, receives the first road image information and the second road image information, and processes the first road image information and the second road image information to obtain driving information. The method has the effect of improving the driving safety in the dark light environment.

Standard ammunition throwing device for unmanned aerial vehicle

The system ammunition throwing device for the unmanned aerial vehicle is provided with an ammunition loading cabin, an ammunition throwing mechanism and an impact pushing piece, an acceleration driver is arranged at the inner end of the ammunition loading cabin, system ammunition abuts against the acceleration driver, the impact pushing piece is connected to the end of the ammunition throwing mechanism, and the front end of the impact pushing piece right faces the acceleration driver; the bomb dropping mechanism drives the limiting bolt to move backwards in the limiting groove set, moves forwards in the limiting groove set under the action of the acceleration driver and is separated from the limiting groove set, and the bomb dropping mechanism drives the impact pushing piece to be compressed so that the impact pushing piece can be impacted towards one side of the acceleration driver under the counter-acting force. Forward pushing force is applied to the throwing process of the standard ...

SURFACE INSPECTION DEVICE FOR REINFORCING CORE

A surface inspection device for a reinforcing core, comprising a fixed disc and an inspection assembly (2). The fixed disc is a hollow circular disc (1). The inspection assembly (2) comprises a contact (21), a pushing member (22), and a detector (23). The contact (21) is provided on an inner circular ring of the hollow circular disc (1), and is slidably connected to the hollow circular disc (1). The distance between the contact (21) and the center of the hollow circular disc (1) is less than the radius of the reinforcing core. The pushing member (22) is provided on the hollow circular disc (1). A pushing end of the pushing member (22) is connected to the contact (21) for providing centripetal force for the contact (21). The detector (23) is provided on one side of the pushing member (22) for detecting position information of the contact (21). The surface inspection device for a reinforcing core is simply structured and convenient to operate, has high inspection efficiency, significantly ...

CRYSTAL FORM A OF BRIVARACETAM INTERMEDIATE AND PREPARATION METHOD THEREOF, AND CRYSTAL FORM C OF BRIVARACETAM AND PREPARATION METHOD THEREOF

Disclosed are a novel crystal form of a brivaracetam intermediate compound (I) and preparation method thereof, and a novel crystal form of brivaracetam and preparation method thereof, specifically a crystal form A of a compound I and a crystal form C of brivaracetam. The crystal form A provided in the present invention has beneficial properties such as good stability, technologically developable property, and easy-to-treat property; moreover, the crystal form A features a simple preparation method and low costs, and is significantly valuable for the production, the purification, and the quality control of active ingredients of the drug. The crystal form C provided in the present invention has beneficial properties such as good stability, technologically developable property, and easy-to-treat property; moreover, the crystal form A features a simple preparation method and low costs, and is significantly valuable for future optimization and development of the drug.

Transition structure for T-shaped material angle torsion and T-shaped material angle torsion method

The invention discloses a transition structure for angle torsion of a T-shaped section bar and an angle torsion method of the T-shaped section bar, and belongs to the technical field of ships. The transition structure comprises a plurality of T-shaped section bars which are vertically welded on the outer plate, a trapezoid transition piece is welded between every two adjacent T-shaped section bars to achieve angle torsion, the upper bottom edge of each trapezoid transition piece is welded and fixed with the outer plate, and the two waist edges of each trapezoid transition piece are welded and fixed with the end portions of the corresponding T-shaped section bar respectively. The method has the advantages that angle deflection is increased in a short distance, and meanwhile welding quality is guaranteed; specifically, the trapezoidal transition piece is adopted to conduct transition on the torsion angle between the T-shaped profiles, angle deflection is increased, only one butt joint of ...

Processing and drying equipment for plastic shell of lead-acid storage battery

The invention discloses lead-acid storage battery plastic shell processing and drying equipment which comprises a drying assembly used for drying, a controller used for controlling, a motor used for providing power and a belt used for transmission, a linear drying groove facilitating feeding is formed in the middle of the drying assembly, and a drainage groove is formed in the bottom of the drying groove. The two sides of the drying groove are divided into a plurality of cavities for multi-stage drying through a plurality of partition plates, and heating cavities are formed in the two sides of the bottom of the drying assembly. When the battery plastic shell passes through the cavity in the drying groove, the electric heating iron heats air, the box type draught fan works, hot air penetrates through the exhaust net from the heating cavity to enter the cavity to dry the two faces of the battery plastic shell suspended in the middle of the drying groove at the same time, and the drying effect ...

Interactive integrated pathogenic microorganism analysis system and method thereof

The invention discloses an interactive integrated pathogenic microorganism analysis system and a method thereof, and relates to the technical field of microorganism analysis, a user login management unit and a data unit carry out information or data exchange, and the user login management unit and the data unit carry out wireless signal transmission. The data unit and the dynamic interaction analysis unit are in wireless signal transmission, and the dynamic interaction analysis unit and the resource sharing unit are in wireless signal transmission. According to the application, through the packaging type design of the cloud service platform, background complex experiments and analysis processes are presented to a terminal user in a simple and interactive manner, so that a user with a non-biological information background can complete complex biological information analysis through a simple operation interface of the platform, and the user experience is improved. The defects of a traditional ...

Intelligent welding device for pipe fittings

The invention discloses an intelligent welding device for pipe fittings, and relates to the technical field of welding. The headstock component is arranged in the middle of the base component, the headstock component comprises a rotatable U-shaped faceplate and a centering clamping assembly, the centering clamping assembly is arranged on the U-shaped faceplate and comprises two sets of supporting rods and two sets of clamping jaws, each set of clamping jaws is arranged on one set of supporting rods, and the supporting rods are arranged in the hollow part of the U-shaped faceplate in a penetrating mode; the rolling wheel bracket component is arranged on the base component in a sliding mode, the rolling wheel bracket component comprises supporting rolling wheels, and the supporting rolling wheels are attached to the bottom of the pipe fitting in a rolling mode; the flexible roller bracket component is arranged on the base component in a sliding mode, the flexible roller bracket component ...

GAS-PHASE CHROMATOGRAPHIC ANALYZER AND GAS SAMPLING APPARATUS

A gas sampling apparatus and a gas-phase chromatographic analyzer comprising the gas sampling apparatus. The gas sampling apparatus comprises a carrier gas supply (10), a six-way valve (20), and volume-fixing rings (30) connected at either extremity of the six-way valve (20). The carrier gas supply (10) is also connected to a purge gas port (11) allowing airflow in one way only and used for purging air in a sample gas inlet (21) of the six-way valve (20). The sample gas inlet (21) of the six-way valve (20) is connected to a sampling port (40) allowing gas intake in one way only. The apparatus is capable of preventing reentry of air and prevents a sample gas from undergoing any chemical reaction in the piping of the sample gas inlet (21) during a test, thus increasing the accuracy of the test result, reducing equipment failure rate, and increasing work efficiency and use convenience.

REINFORCING CORE PREPARATION APPARATUS

A reinforcing core preparation apparatus, comprising a coating device (1), a heat curing device (2), a winding mechanism (3), and a drive device (4). The coating device (1) comprises an accommodating space, an inlet (111), and an outlet (112). The inlet (111) and the outlet (112) are communicated with the accommodating space. Glue is accommodated in the accommodating space. The coating device (1) is used for coating a reinforcing core (10) that enters the accommodating space from the inlet (111) and moves out from the outlet (112). The heat curing device (2) is used for performing heat curing on the coated reinforcing core (10) to form the reinforcing core (10) having a protective layer. The winding mechanism (3) is used for winding the reinforcing core (10) having the protective layer. The drive device (4) is connected to the reinforcing core (10) for driving the reinforcing core (10) to sequentially pass through the coating device (1) and the heat curing device (2) to form the reinforcing ...

WIRE SMOOTHING TOOL

A wire smoothing tool, comprising: a bracket (1), wire smoothing barrels (2) and grinding wheels (3), wherein the grinding wheels (3) and the wire smoothing barrels (2) are disposed in alternation on the bracket (1), a frictional force between the wire smoothing barrels (2) increasing by means of the grinding wheels (3); a wire smoothing barrel (2) comprises a rotating sleeve (4), a fixing sleeve (5), an inner sleeve (6) and a tightening screw (7), the inner sleeve (6) comprising a hard sleeve and a soft sleeve. The wire smoothing tool may prevent friction between threads when guiding wire on a roller, and ensure that a wire guiding angle may vary within a small range.

AUTOMATIC WINDING MACHINE

An automatic winding machine, comprising a dispersion device (11) and a winding device (12), wherein the dispersion device (11) comprises a dispersion bracket (19), a main guide wheel (17) and a sub guide wheel (8); the winding device (12) comprises a winding bracket (1), a blanking bracket (3), an air cylinder (2), a bi-directional motor (6), a blanking wheel (5), and a blanking guide wheel (4). The automatic winding machine may wind a plurality of optic fiber reinforced cores at the same time, thereby improving working efficiency; the rotatable blanking wheel (5) enables the winding process to be steadier and smoother; a counting device which is provided with a photoelectric sensor (16) may better control the length of each roll.

CORE NETWORK SYSTEM, DEVICE AND CALLING METHOD FOR SUPPORTING FOREIGN DOMAIN TERMINAL SELECTING NETWORK

A core network system, device and calling method for supporting a foreign domain terminal selecting a network are disclosed. The method includes the following steps. Terminal registration status information in a CS domain and terminal registration status information in an IMS domain of a core network system and network selection policy information are acquired. According to the acquired terminal registration status information in the CS domain and terminal registration status information in the IMS domain, the registration status information about a called foreign domain terminal is determined. According to the acquired network selection policy information and the determined registration status information, a core network domain is selected for the foreign domain terminal from the core network system to supply the calling service. A core network domain can be selected accurately and instantly for called foreign domain terminals through solutions in the present invention. The experience ...

Cloud station service management system and method, terminal equipment and storage medium

The invention relates to a cloud station service management system and method, terminal equipment and a storage medium. The system comprises a version management module, a function configuration module, a personality configuration module and a comprehensive management module. The version management module is used for acquiring current version information of cloud station service software; the function configuration module is used for acquiring configuration option information of the current version based on the current version information; the personality configuration module is used for acquiring function demand information of a target customer, and acquiring target configuration option information in the function configuration module based on the function demand information; and the authority management module is used for configuring function authority for the target client based on the target configuration option information. The method and the device have the effects of providing the ...

MOBILE TERMINAL PHOTOGRAPHING METHOD AND MOBILE TERMINAL

A mobile terminal photographing method and a mobile terminal are disclosed in the present invention. The photographing method comprises the steps of: a camera collects one image every other preset period after starting photographing; and a synthesizing image is generated by performing image synthesis according to the brightness information of a current image and a previous image. A long time exposure is thereby simulated by the use of image synthesis technique, and the long time exposure is performed by continuously collecting image data of a captured object, a star orbit photographing function is thereby added to the mobile terminal, so that a user can take use of the mobile terminal for capturing the star moving orbit or for similar applicable scene according to the setting, and can preview the photographing effect at real time. Various needs of the user are thereby satisfied, and the user experience is enhanced. Meanwhile, a preferred way to perform image synthesis is bright pixels replacing ...

PICTURE DISPLAY METHOD, AND DISPLAY DEVICE

A picture display method and a display device. Target picture quality parameters of a target picture can be set in combination with an artificial intelligence picture quality (AIPQ) function and an auto content recognition (ACR) function, such that a target picture finally displayed according to the target picture quality parameters can meet the viewing requirement of a user.

Method for device search, storage medium and electronic device

The invention discloses a method for searching equipment, a storage medium and an electronic device, and relates to the technical field of smart home/smart home, the method comprises the following steps: receiving registration service information of the equipment under the condition that the equipment of a first network is online; wherein the registration service information comprises a first IP address of the device; modifying the first IP address into a second IP address of a second network to obtain modified registration service information; and sending the modified registration service information, so that the terminal equipment in the second network discovers the equipment according to the second IP address. According to the method, the modified registration service information of the equipment in the first network is adapted to the second network, so that the terminal equipment in the second network can search the equipment in the first network according to the modified registration ...

SHOOTING METHOD AND SHOOTING DEVICE

A shooting method and a shooting device. The shooting method comprises the steps of: continuously collecting images; reading the collected images and searching in the currently read image according to a pre-stored characteristic to identify a light painting region in the currently read image; and extracting the light painting region and superposing the light painting region on a foundation image at a corresponding position to perform image synthesis, and using the synthesized image as the foundation image for the next time of image synthesis. Because only the light painting region is superposed and synthesized and other light spot regions in the image are not in the synthesized image, so the synthesized image may not be contaminated, a clear light painting trajectory can be recorded in the finally synthesized image, and therefore light painting shooting in a bright shooting environment is realized, the application scenarios of the light painting shooting are expanded, the requirement of ...

METHOD AND DEVICE FOR EARLY WARNING BASED ON IMAGE IDENTIFICATION

A method and device for early warning based on image identification. The method comprises: extracting a human eye opening and closing height sequence by collecting a human face image sequence (S1); filtering out an invalid human eye opening and closing height, generated during normal blink, in the human eye opening and closing height sequence, and acquiring a valid human eye opening and closing height sequence (S2); finally, calculating correlative values of a concentration degree of a user in combination with a preset model according to the valid human eye opening and closing height sequence; and when the correlative values of the concentration degree are lower than set determining threshold values, determining that the concentration degree of the user is low, and giving an alarm (S3). The device comprises an image processing module, a filtering module, and an early warning module.

GLUING DEVICE

A gluing device, for strengthening core manufacturing equipment. The gluing device comprises a gluing column (11), two pressure sensors (12) and a supercharger blower (13). The gluing column (11) is provided with an accommodating space, an inlet (111), and an outlet (112), and is provided vertically. The two pressure sensors (12) are respectively disposed on the inner side and the outer side of the inlet (111) of the gluing column for detecting the internal pressure value and the external pressure value of the inlet (111) of the gluing column. The superchargers blower (13) corresponds to the inlet (111) for counteracting the internal pressure and the external pressure of the inlet (111) of the gluing column so as to prevent liquid glue in the accommodating space from flowing out of the inlet (111). The structure of the gluing device is simple, the operation is convenient, and glue waste is reduced.

MOBILE TERMINAL PHOTOGRAPHING SYSTEM AND MOBILE TERMINAL PHOTOGRAPHING METHOD

A mobile terminal photographing system and a mobile terminal photographing method. The mobile terminal photographing system comprises: a camera, a control module and a focus module, wherein the focus module is configured to analyse a photographing scene corresponding to the camera, so as to obtain focus information for photographing the photographing scene; the control module is configured to acquire the focus information from the focus module and send the focus information to the camera; and the camera is configured to perform focusing according to the focus information sent by the control module, so as to photograph the photographing scene.

SLOTTED HEAT PIPE HAVING CIRCUMFERENTIAL SLOTS AND ASSEMBLY METHOD THEREOF

An axial-slotted heat pipe having circumferential slots and an assembly method thereof. Multiple axial-slotted heat pipe housings (9), respectively provided with circumferential slots, are combined via temperature equalization connectors into a specially-shaped slotted heat pipe system in which an internal axial slot (8) and a steam channel communicate with each other. The axial-slotted heat pipe housing (9) is provided with multiple circumferential slots (7) arranged in parallel at a port connected to the temperature equalization connector, and each circumferential slot (7) communicates with the axial slot (8) in the axial-slotted pipe housing (9). The temperature equalization connector comprises a main pipe housing (3) and a branch pipe housing (2). Both the main pipe housing (3) and the branch pipe housing (2) are internally provided with an axial slot (8) and a circumferential slot (7). The dimensions of the axial slots (8) and the circumferential slots (7) in the main pipe housing ...

Solar vehicle with heating and mosquito repellent function

... 本实用新型提出种带有取暖和驱蚊功能的太阳能电动车，包括前端驾驶室、后端车厢、太阳能电池板和蓄电池，太阳能电池板的端与后端车厢顶部通过铰链连接，太阳能电池板的另端通过伸缩杆与前端驾驶室顶部相连；太阳能电池板的输出线束与蓄电池的输入端相连，蓄电池的输出端与电动车的驱动机构相连；后端车厢底板上设有隔板，隔板与后端车厢底板之间形成空腔，空腔内设置有并联的电加热管，电加热管的接线端与蓄电池的输出端相连；隔板上铺设有驱蚊垫，驱蚊垫包括防水垫套和浸透有驱蚊药水的记忆棉填充层；前端驾驶室与前轮之间、后端车厢与后轮之间均设有减震器。本实用新型带有取暖和驱蚊功能，能够为乘客提供个舒适的乘坐环境。 ...

Image style migration method based on neural network

The invention discloses an image style migration method based on a neural network, and the method comprises the following steps: S1, obtaining a to-be-migrated image, and carrying out the preprocessing of the to-be-migrated image, and obtaining a latest migrated image; s2, extracting the contour of the latest migration image; and S3, constructing an image processing neural network, and inputting the contour of the latest migrated image into the image processing neural network to complete image style migration. According to the method, the to-be-migrated image is preprocessed, and the style migration of the image is carried out by using the neural network after the preprocessing is completed. According to the method, an image processing and neural network algorithm is adopted, so that the problem that key information in an original picture is too abrupt or is decomposed by styles due to direct style migration is avoided, and the similarity between the calculated image and the target style ...

Multi-stage roots vacuum pump and working method thereof

The invention relates to a multistage roots vacuum pump and a working method thereof. The multistage roots vacuum pump comprises a pump shell, a first rotor and a second rotor. The pump shell comprises an upper shell body and a lower shell body, and airflow channels are formed in the upper shell body and the lower shell body. The first rotor and the second rotor respectively rotate around respective rotating shafts in opposite directions, and the axes of the rotating shafts of the first rotor and the second rotor are parallel to each other; the first rotor and the second rotor respectively comprise multiple stages of rotors, and the multiple stages of rotors are arranged at intervals in the axis direction of the rotating shaft; the sections, perpendicular to the rotation axis, of the multi-stage rotors of the first rotor and the second rotor are in an 8-shaped profile and/or a four-leaf profile and/or a five-leaf profile.

METHOD FOR AUXILIARY REGULATING FREQUENCY OF GRID BY REGULATING VOLTAGE

A method for auxiliary regulating the frequency of a grid by regulating a voltage. In the method, a link for auxiliary regulating the frequency by regulating the voltage is added in a generator exciting controller. A frequency deviation signal is not only inputted in an adder through a PSS link in the generator exciting controller, but also inputted in the link for auxiliary regulating the frequency by regulating the voltage at the same time. The output voltage signal of the link for auxiliary regulating the frequency by regulating the voltage is also inputted in the adder. The output signal of the adder affects the exciting voltage of the generator to regulate the frequency of the grid. The method can reduce a spinning reserve, and simultaneously resume the system frequency to a higher level. The method has the advantage of responding rapidly.

CONTROL METHOD FOR USE IN TILTING MULTILEVEL FORWARD-PUSHING WASTE INCINERATOR

In order to solve the problem on the difficulty of forming a standardized incinerator automated control system due to a low degree of automation of an existing waste incineration for electricity generation system and uneven distribution of material layers and flame center deflection found during waste incineration that cause fluctuations in the load of a furnace and affects the stability of an emission indicator, provided is a control method for use in a tilting multilevel forward-pushing waste incinerator, comprising: the distribution of a primary air volume on the basis of the flow rate of steam, the pressure of a steam drum, and the temperature of a drying section grate; the control of a continuous motion of a feeder grate on the basis of the differential pressure of a material layer of the incinerator; the control of a continuous motion of an incineration grate on the basis of the calorific value of the waste and the flow rate of the steam, and the interlocked control of the motion ...

FILE PROCESSING METHOD AND TERMINAL DEVICE

Disclosed in embodiments of the present invention is a file processing method, the method comprising: a first terminal device receiving an encrypted file from a second terminal device; the first terminal device storing the encrypted file; the first terminal device receiving an access instruction for the encrypted file; the first terminal device acquiring a current security status; when the current security status is greater than or equal to a first security status, the first terminal device performing decryption of the file by means of a decryption key. It may be seen that, by means of implementing the present method, after a first terminal device receives an encrypted file, the first terminal device only performs decryption of the file by means of a decryption key if a security status is high. Therefore, security of files on the first terminal is improved.

Solar cell prepares system

... 本实用新型公开了一种太阳能电池制备系统，包括特征存储模块、第一分类模块、多个第一工艺处理模块、第二分类模块和多个第二工艺处理模块；特征存储模块，被配置为存储预先检测的基片的特征参数；第一分类模块与第二分类模块均与特征存储模块通讯连接；第一分类模块设置在第一工艺处理模块的上料口的前端，用于将不同类的基片输送至不同的第一工艺处理模块的上料口处；第二分类模块设置在第一工艺处理模块的下料口与第二工艺处理模块的上料口之间，用于将不同类的基片输送至不同的第二工艺处理模块的上料口处。其达到了差异化加工的效果，有效提升了太阳能电池的效率分布集中度。 ...

Flexible assembly platform and assembly method for guide pipe

The invention provides a conduit flexible assembly platform and an assembly method.The assembly platform comprises a base, at least two six-axis moving units arranged on the base, tools connected to the tail ends of the six-axis moving units and used for clamping conduits or conduit accessories, a tracking system arranged above the six-axis moving units and a control console; the six-axis moving unit and the tracking system are electrically connected with the console. According to the flexible assembly platform and method for the guide pipe, the tail end position of the six-axis moving unit is accurately controlled through cooperation of the control table and the tracking system, so that accurate positioning is provided for assembly of the guide pipe, and the efficiency and precision of the guide pipe assembly process are greatly improved.

Intelligence hydroponic device's of family ventilation system

... 本实用新型公开了一种家庭智能水培装置的通风系统，属于农业机械领域蔬菜生长装置的辅助设备，包括柜体、通风扇、外进风口、外进风口过滤网、内进风口、内出风口、外出风口、外出风口过滤网以及散热风道，外进风口设置在柜体背面板的外板上，风扇设置在柜体背面板的内板和外板之间的夹层内，外进风口过滤网设置在外进风口处，内进风口设置在柜体背面板的内板上，内出风口设置在柜体的左侧面板和/或右侧面板的内板上，外出风口设置在柜体左侧面板和/或右侧面板的外板上，外出风口过滤网设置在所述外出风口处。本实用新型的家庭智能水培装置的通风系统使植物生长环境内的气体分布与环境温度和湿度更加均匀一致，实现栽培植物叶片表面均匀供气。 ...

Multi -functional people's arteries and veins service mobile terminal

... 本实用新型涉及种多功能的人脉服务移动终端，属于通信技术领域，所述的多功能的人脉服务移动终端包括外壳、扬声器、圆弧形保护壳、通气道、侧键、字符扫描模块、电路板、控制模块、字符识别模块、字符翻译模块、字符显示模块、操作模块、无线通信模块、电感器、防静电器件；所述的扬声器设置于外壳内，圆弧形保护壳与扬声器对应设置，圆弧形保护壳内设置有通气道，侧键设置于外壳的前侧面，字符扫描模块设置于外壳的右侧面；本实用新型将听筒的出音面设计成圆弧形；在电路板上增加操作模块可以对扫描内容进行及时的修改，这样起到节约时间又便于携带的效果。 ...

Magnetically-driven Fe3O4 hydrogel composite material with capacitor function and preparation method thereof

The preparation method comprises the following steps: S1, dissolving polyvinyl alcohol particles in deionized water, stirring at 90 DEG C for 1 hour to obtain a polyvinyl alcohol aqueous solution, dispersing sodium chloride particles in the deionized water to obtain a sodium chloride aqueous solution, and stirring at 90 DEG C for 1 hour to obtain a sodium chloride aqueous solution; dropwise adding the sodium chloride aqueous solution into the polyvinyl alcohol aqueous solution, and stirring for 1 hour to obtain a PVA/NaCl precursor; s2, dispersing carbon nanotubes and manganese dioxide in ethanol to obtain a mixed solution A, adding a Nafion solution into the mixed solution A, and performing ultrasonic treatment to obtain a CNTs/MnO2 dispersion liquid; and S3, dispersing carbon nanotubes and ferroferric oxide in ethanol to obtain a mixed solution B, adding a Nafion solution into the mixed solution B, and carrying out ultrasonic treatment to obtain a CNTs/Fe3O4 solution. According to the ...

High-performance activated rubber composite modified asphalt and preparation method thereof

The invention belongs to the technical field of modified asphalt, and discloses high-performance activated rubber composite modified asphalt and a preparation method thereof. The activated rubber composite modified asphalt comprises the following raw materials: 100 parts of asphalt, 1-3 parts of extract oil, 3-6 parts of an SBS modifier, 20-40 parts of activated rubber powder, 0.5-0.7 part of a warm mixing agent and 0.3-0.6 part of a stabilizer, and the preparation method comprises the following steps: heating the asphalt to a certain temperature, adding the SBS modifier, the activated rubber powder and the extract oil, carrying out swelling, shearing and grinding, then adding the stabilizer and the warm mixing agent, carrying out development, and carrying out cooling to obtain the activated rubber composite modified asphalt. The high-performance activated rubber composite modified asphalt is obtained. According to the invention, a high mixing amount of the activated rubber powder is matched ...

UV protective film for LED packaging chip cutting and preparation method thereof

The invention discloses a UV protective film for cutting an LED packaging chip and a preparation method thereof, the UV protective film for cutting the LED packaging chip comprises a base material layer, a UV adhesive layer and a PET release film layer, the lower surface of the UV adhesive layer is adhered to the base material layer, the PET release film layer covers the UV adhesive layer, and the base material layer comprises a corona surface and a non-corona surface. The UV protective film for cutting the LED packaging chip, disclosed by the invention, has relatively strong initial adhesion before being irradiated by UV light, so that the phenomena of material flying and displacement are avoided when the chip is cut. And after UV light irradiation, the viscous force is reduced, so that the chip is easy to strip, and no adhesive residue exists. Meanwhile, under the action of the polyurethane oligomer with high viscosity, high functionality and high softening point and the PO film layer ...

Device and method for testing liquid drainage and liquid absorption control characteristics of two-phase liquid accumulator

The invention discloses a device and a method for testing liquid discharge and suction control characteristics of a two-phase liquid accumulator, and the method comprises the steps: simulating the operation process of discharging a working medium when the two-phase liquid accumulator is heated and sucking the working medium when the two-phase liquid accumulator is cooled in a working period, and carrying out the quantitative experiment of the outflow and inflow total amount of the working medium of the two-phase liquid accumulator under different heat inputs; meanwhile, whether the liquid storage device meets the design and use requirements or not is judged by testing the flow and heat transfer response characteristics of the two-phase liquid storage device.

Statistical report processing method and device

The invention provides a statistical report processing method and device, and the method comprises the steps: S1, carrying out the processing of a statistical report according to a preset assembly, so as to generate a table corresponding to the assembly; s2, moving fields in the table and contents corresponding to the fields into a physical table, and establishing an addressing relationship between the fields and the contents in the table according to a routing rule and the structure of the physical table; and S3, storing the physical table in a database so as to query the physical table according to a preset query rule and the addressing relationship. According to the scheme provided by the invention, a system user can be assisted to flexibly store the report by flexibly designing the data storage and restoration display scheme of the report.

AI intelligent service calculation method based on big data

The invention relates to an AI intelligent service calculation method based on big data, and the method comprises the steps: recognizing a first service path for a user to access an AI application platform, and carrying out a first conversation process with the user according to an AI node link preset in the first service path; accessing a second service path corresponding to demand data to the first service path according to the demand data of the user in the first dialogue process, and inputting a link graph of the first service path and the second service path into a pre-trained LSTM network model so as to output a knowledge graph smart response program through the LSTM network model; performing a second dialogue process with the user through a knowledge graph smart response program, and monitoring each demand factor in demand data of the user dialogue through a voice emotion recognition model; and judging response scores corresponding to the demand factors in the second dialogue process ...

Bimetal connecting structure of heat exchange tube in low-temperature heat exchanger and connecting tube on shell pass cylinder

The invention discloses a bimetallic connecting structure for heat exchange tubes in a low-temperature heat exchanger and connecting tubes on a shell pass cylinder, which comprises a tube plate fixedly arranged on the shell pass cylinder, an external thread connecting tube is fixedly welded and sealed on each tube plate hole in the tube plate, and the tube end of each heat exchange tube is arranged in the external thread connecting tube in a penetrating manner through the tube plate hole. The outer wall of the pipe end of each heat exchange pipe is sleeved with a loose joint column sleeve and a nut, and the nuts are locked and fixed to the external thread connecting pipes in a threaded mode so that the loose joint column sleeves can be pressed and sealed between the external thread connecting pipes and the heat exchange pipes. A connecting pipe is welded, sealed and fixedly arranged on the pipe plate outside the shell pass barrel; all the external thread connecting pipes and pipe orifices ...

Uninterruptible power supply control system and method and storage medium

The invention discloses an uninterruptible power supply control system and method and a storage medium, the uninterruptible power supply control system comprises a power supply input module, a power supply output module, a bypass module, a phase-shifting transformer, a power module and a control processing module, the power supply input module is connected with an external power grid, and the power supply output module is connected with a load. The bypass module is respectively connected with an external power grid and a load, the phase-shifting transformer is connected with the power input module, the power module is respectively connected with the phase-shifting transformer and the power output module, and the control processing module is respectively connected with the power input module, the power output module, the bypass module, the phase-shifting transformer and the power module. Based on the uninterruptible power supply control system provided by the invention, the switching of ...

Process method for processing sealing surface

The invention relates to the technical field of IC equipment and precision part manufacturing, in particular to a sealing surface machining process method which comprises the following steps that S1, a workpiece with a to-be-machined sealing surface is obtained; s2, a proper tool for machining the sealing face is selected; and S3, a tool is used for machining the sealing face of the workpiece, and a smooth fillet is generated at the boundary of the sealing face. The process method can be suitable for machining of all numerical control milling machines and machining of all sealing faces, and the boundary of the sealing face can be free of burrs after single-time machining.

Method, device and equipment for recognizing driving intention after emergency braking and storage medium

The embodiment of the invention provides a method and device for recognizing a driving intention after emergency braking, equipment and a storage medium. According to the method for recognizing the driving intention after emergency braking, a VCU can obtain driving data of a vehicle after an automatic emergency braking system is activated, and the driving intention of a driver is recognized according to deceleration and the opening degree of an accelerator pedal. Through the mode, the driving intention of the driver can be accurately recognized, so that the vehicle output power can be accurately controlled according to the driving intention, and the driving safety after the vehicle is emergently braked is improved.

Small-sized electric geological coring drilling machine

The invention discloses a small-sized electric geological coring drilling machine, which belongs to the field of geological sampling, can realize the effects of rapid drilling sampling and sample taking, and meanwhile, by utilizing a dustproof mechanism and a dust suction mechanism which are matched for use, firstly, the transmission of noise can be reduced; secondly, a large amount of dust generated during drilling sampling is adhered and absorbed, the weight of a limiting bundle can be increased through arrangement of a gravity ball and fiber bristles, so that when the limiting bundle is impacted by water flow thrown out of a drill bit, the limiting bundle can shake up and down, and then the fiber bristles are driven to swing; and in cooperation with water drops scattered on gravity balls and fiber bristles, the adhesion effect of the limiting bundles, the gravity balls and the fiber bristles on dust filled in the dustproof mechanism can be improved, so that the dry dust can be quickly ...

SHOOTING METHOD AND DEVICE

Disclosed are a shooting method and device. The shooting method comprises the steps of: acquiring an image during shooting, synthesizing the currently acquired image and a current basic image into a synthetic image, and using the synthetic image as a basic image in next synthesis; caching synthetic images synthesized during shooting; and extracting a corresponding synthetic image from the cached synthetic images to serve as a current basic image according to an operation instruction of a user, so as to return a shooting schedule to a shooting state displayed by the extracted synthetic image. In this way, the content of a certain shot part is erased or deleted, real-time modification of photo-plotted images is realized, a user can complete one photo-plotting action in multiple times, a more perfect and complex effect is achieved, the photo-plotting creation effect is improved, and the user experience is improved.

Multifunctional operation image display device and application thereof in hepatobiliary surgery

The invention discloses a multifunctional operation image display device and application thereof in hepatobiliary surgery, and belongs to the technical field of medical equipment.The multifunctional operation image display device comprises a mounting frame mounted on the surface of an operation lamp, and the inner side of the other end of the mounting frame is rotationally connected with an operation image display assembly; a light shielding assembly is arranged on the side, close to the operating lamp, of the operating image display assembly, and a light shielding area adjusting assembly is arranged between the light shielding assembly and the operating image display assembly. In the process of adjusting the display height of the display, the shading included angle between the shading outer sleeve and the display is adaptively adjusted, so that the shading outer sleeve and the shading inner plate can be prevented from shading the display when the display is located at a low position, and ...

Energy management control method and related equipment

The invention provides an energy management control method and related equipment, and the method comprises the steps: carrying out the weight distribution through employing the historical power efficiency of an energy consumption part at a previous moment and the calibration power efficiency corresponding to the request power of the energy consumption part at a current moment, and obtaining the corrected power efficiency; and then power calculation is carried out by using the corrected power efficiency and the request power of the energy consumption component at the current moment to obtain the distribution power of the energy consumption component at the current moment, and self-adaptive dynamic error compensation is carried out at each moment by using the corrected power efficiency. Therefore, the accuracy of the obtained distribution power of the energy consumption component at the current moment is higher, the problem that the distribution power obtained through reverse derivation is ...

MENU-TYPE DESIGN METHOD FOR GEO SATELLITE CONTROL SYSTEM BASED ON OPTIMIZED INFORMATION INTEGRATION

A menu-type design method for a GEO satellite control system based on optimized information integration, comprising the following steps: configuring four long-life inertial attitude sensor gyroscopes arranged in pyramid fashion for a long-life GEO satellite control system; configuring various sensors required by a user in accordance with hardware menu-type design requirements; sequentially arranging three types of Kalman filters, which are: three inertial attitude sensor gyroscopes plus an optical attitude start sensor, three inertial attitude sensor gyroscopes plus an earth sensor as well as a sun sensor, and three inertial attitude sensor gyroscopes plus another type of sensor capable of measuring a three-axis attitude, respectively; if an FDIR module of satellite-borne computer application software detects a fault, the FDIR module automatically generates a corresponding alarm, and the currently selected Kalman filter performs automatic reduced-order filtering; the FDIR module implements ...