床架（J020）

景墙（工业城市）

床架（A571）

单轨吊用人车

烤箱（20220603）

岩土工程用钻孔机

带工程项目全过程技术服务图形用户界面的屏幕面板

太阳能道钉（X6）

迷你电脑（AM08）

显示屏幕面板的闭环质控管理功能的图形用户界面

投影仪（雷神M1游戏魔方）

用于车载电脑运行电话程序的图形用户界面

Die forging machining method for large stainless steel workpiece

The invention relates to the technical field of die forging machining, in particular to a die forging machining method for a large stainless steel workpiece, which comprises the following steps: blanking by a sawing machine to ensure that the blanking size phi is 160 * 550 mm; transferring the blanked material to a 750kw medium-frequency induction heating furnace for heating, ensuring that the temperature of the workpiece is 1150-20 DEG C, and measuring the temperature by using an infrared thermometer and recording; the heated blank is placed on a 20-ton die forging hammer to be pre-forged, the blank is placed at the flattened position of a die, and the blank is slightly patted to remove oxide skin; the die forging machining method for the large stainless steel workpiece has the beneficial effects that a traditional female die is optimized, the cooling mechanism is additionally arranged on the outer side of the female die to cool the stainless steel workpiece turned into the female die, ...

Method for calculating influence of large phase modifier on DC commutation failure critical voltage

The invention provides a method for calculating the influence of a large phase modifier on a DC commutation failure critical voltage, and the method comprises the steps: building a DC inverter side commutation voltage calculation model, and obtaining a commutation voltage change rule; establishing the relationship between the commutation current and the commutation voltage, the commutation reactance and the commutation angle; obtaining a relation between a direct current inversion side commutation angle and commutation voltage and commutation current; establishing a calculation model between the alternating current system voltage and the high-voltage direct current transmission commutation angle, and calculating to obtain an alternating current system critical voltage corresponding to the commutation failure of the high-voltage direct current transmission inverter side; and constructing a simulation calculation platform containing the large phase modifier and a detailed direct current model ...

Electronic differential control method and device for heavy shuttle car

The invention belongs to the technical field of heavy vehicle walking control, provides an electronic differential control method and device for a heavy shuttle vehicle, and solves the problems that in the pure hydraulic steering process, the turning radius of the vehicle is large, and part of tires slip or are dragged. The accelerator pedal opening degree of the target shuttle car in the steering stage is obtained through the whole car controller; determining the initial given rotating speed of the shuttle car in the steering stage according to the mapping relation; obtaining the length of an oil cylinder displacement sensor of the target shuttle car in the steering stage; determining the steering angle of the shuttle car in the steering stage according to the mapping relation; according to the steering angle, analyzing a mechanical structure to determine the turning radius of the target shuttle car; finally, differential coefficients of all the wheels can be obtained through calculation ...

System and method for heating natural gas by using flue gas waste heat

The invention discloses a system and method for heating natural gas through flue gas waste heat. The system comprises a waste heat boiler tail chimney, a gas-water heat exchanger, a natural gas-water heat exchanger inlet pipeline and a natural gas-water heat exchanger outlet pipeline. A smoke heat exchanger is arranged in a chimney at the tail of the waste heat boiler, an outlet of the smoke heat exchanger is communicated with a heat release side inlet of a gas-water heat exchanger, a natural gas-water heat exchanger inlet pipeline is communicated with a heat absorption side inlet of the gas-water heat exchanger, and a heat absorption side outlet of the gas-water heat exchanger is communicated with a natural gas-water heat exchanger outlet pipeline. According to the system and method, natural gas can be heated, and the safety is high.

Decision information acquisition model training method, decision tree construction method and equipment

The invention provides a training method of a decision information acquisition model and a decision tree construction method and device.The model training method comprises the steps that a training sample set is acquired, and the training sample set comprises a plurality of text samples, the training sample set is labeled with a first triple corresponding to a plurality of nodes on the decision tree corresponding to each text sample and a first node type of the plurality of nodes, and according to each text sample, adopting a preset initial model to obtain a second triple corresponding to the plurality of nodes and a second node type of the plurality of nodes, and calculating a first loss function value according to the first triple corresponding to the plurality of nodes, the second triple corresponding to the plurality of nodes, the first node type of the plurality of nodes and the second node type of the plurality of nodes, and training a preset initial model according to the first loss ...

Model training method and device in open training and electronic equipment

The embodiment of the invention provides a model training method and device in open training and electronic equipment, relates to the technical field of open training model deployment, and is used for improving the open training efficiency and avoiding the risk that a model trained in open training is incompatible at a deployment end. The method comprises the following steps: acquiring algorithm scheme version information of a training end and a version identifier of a deployment end; the method comprises the following steps: converting a to-be-trained model into a deployment version suitable for running at a deployment end by utilizing an optimization library of a training end, and determining optimization library version information of the training end; the optimization library of the training end is used for converting a training version of the model into a deployment version suitable for running at the deployment end; generating a version identifier of the training end according to ...

Small microwave camera obscura

The invention discloses a small microwave camera obscura, and relates to the technical field of microwave devices, the small microwave camera obscura comprises a camera obscura body, the inner wall of the camera obscura body is completely covered with a wave absorbing device, a to-be-tested piece tool for fixing to-be-tested equipment is arranged in the camera obscura body, and the to-be-tested equipment and the to-be-tested piece tool are fixed in an inserted mode. A test antenna used for testing equipment to be tested is arranged in the camera obscura body, and a camera obscura rack vehicle used for driving the whole camera obscura body to move is arranged below the camera obscura body. According to the application, the small camera obscura body and the movable antenna are arranged to be aligned with the to-be-tested equipment for sampling, so that the test equipment is designed to be minimized on the basis of meeting customer requirements; the placing position of the to-be-tested equipment ...

Feeding equipment for refining 304 stainless steel

The invention discloses feeding equipment for refining 304 stainless steel. The feeding equipment comprises a bracket, an inclined mechanism and a feeding device, the inclined mechanism is installed at the top of the support, the feeding device is installed at the top of the inclined mechanism, three sets of material collecting pipes are installed in the device, three sets of different refining agents can be stored, under adjustment of the inclined mechanism, the feeding device shifts towards the refining furnace, and through cooperation with an opening and closing mechanism in the feeding device, the refining agents can be fed into the refining furnace. The three sets of material collecting pipes are driven by an adjusting mechanism, an intermittent adjusting assembly is arranged in the adjusting mechanism, position alternation of the three sets of material collecting pipes can be achieved under driving of a motor, the refining agent can be conveniently and accurately poured out according ...

Water turbine top cover bolt axial force online monitoring device and method

The invention discloses an online monitoring device and method for axial force of a top cover bolt of a water turbine, and the method comprises the steps: obtaining axial real-time displacement generated when the axial force of the top cover bolt changes through an ultrasonic longitudinal wave waveguide rod, so as to generate deformation; the ultrasonic acoustic bomb force transducer is used for acquiring the acoustic time difference of the ultrasonic longitudinal wave waveguide rod; the data processing system obtains an axial force change value of the top cover bolt through a waveguide rod-top cover bolt axial force conversion algorithm; and online monitoring of the axial force of the water turbine top cover bolt is realized. According to the invention, on the basis of not damaging the body structure of the top cover bolt, the change value of the axial force of the bolt can be accurately measured, and the problem that the measured value of the axial force of the bolt is wrong due to improper ...

Power transmission line tower grounding resistance data acquisition system based on Beidou technology

The invention discloses a transmission line tower grounding resistance data acquisition system based on the Beidou technology, which comprises a Beidou monitoring station, a measuring electrode, a grounding down lead and a grounding resistor, a control device is arranged in the Beidou monitoring station, a lead connection device is arranged between the grounding down lead and the grounding resistor, and the measuring electrode is connected with the control device. The measuring electrode comprises a voltage electrode and a current electrode; the Beidou monitoring station is used for supplying power and realizing on-line monitoring of the grounding resistance of the high-voltage transmission line iron tower; the measuring electrode is installed at a power transmission line iron tower grounding resistor. According to the transmission line tower grounding resistance data acquisition system based on the Beidou technology, the transmission line tower grounding resistance data and the threshold ...

Vehicle operation method and device and computer equipment

The invention discloses a vehicle operation method and device and computer equipment. The method comprises the following steps: a remote server is remotely connected with a vehicle, a computer terminal is remotely connected with the vehicle by accessing the remote server, a mobile terminal is connected with the computer terminal, and operation information for remotely operating the vehicle is sent to the computer terminal, the operation information for remotely operating the vehicle comprises vehicle control, test, debugging and the like, the computer terminal sends the operation information to the remote server, and the remote server remotely operates the vehicle according to the operation information. By means of the mode, remote vehicle operation including vehicle control, test, debugging and the like can be achieved.

Preparation method of saturated metallocene poly-alpha-olefin

The invention discloses a preparation method of saturated metallocene poly-alpha-olefin. The preparation method comprises the following steps: in the presence of a metallocene catalyst and an activator, polymerizing an alpha-olefin monomer, then removing unreacted monomers, and adding hydrogen to carry out hydrogenation reaction. According to the method, no extra catalyst needs to be added, equipment investment and raw material cost are saved, loss caused by saturation of the raw materials is avoided, and the prepared saturated metallocene poly-alpha-olefin is excellent in performance.

Catalyst for preparing aromatic hydrocarbon by dehydrogenation of six-membered cycloalkane and preparation method thereof

The invention relates to a six-membered cycloalkane dehydrogenation aromatic hydrocarbon preparation catalyst, which comprises a sulfate radical-containing alumina carrier and the following components calculated on the basis of alumina: 0.05 to 3.0 mass percent of VIII group metal, 0.05 to 3.0 mass percent of VIIB group metal, 0.05 to 1.0 mass percent of Tm or Sm, 0.1 to 3.0 mass percent of halogen, and 0.5 to 1.5 mass percent of sulfate radical. The catalyst is used for six-membered cycloalkane dehydrogenation aromatic hydrocarbon preparation reaction, and has high aromatic hydrocarbon selectivity and activity stability and good regeneration performance.

OUTER WATER SEAL FOR VERTICAL JACKING

Provided is an outer water seal for vertical jacking, wherein, a sealing ring (2) and an oil immersed asbestos packing (3) are in connected with a grease hole (9) provided on a jacking pipe, the jacking pipe is further provided with a polyurethane hole (10) connected with the gap between the outer water seal barrier (4) and the jacking pipe, in the initial stage of vertical jacking, the jacking pipe cover (1) is provided with a mud discharging valve (7), the soil body above the vertical jacking pipe is broken, and the frontal jacking force is reduced by opening the mud discharging valve (7); in the vertical jacking process, the grease hole (9) is pressed in the shield tail grease, and into the sealing ring (2) and the oil immersed asbestos packing (3) to reduce the abrasion of the sealing ring (2) and the oil immersed asbestos packing (3). When the water seepage amount is large, the polyurethane hole (10) is pressed in the aqueous polyurethane, and into the gap between the outer water seal ...

IMAGE BOUNDARY ACQUISITION METHOD AND DEVICE BASED ON POINT CLOUD MAP AND AIRCRAFT

Disclosed are an image boundary acquisition method and device based on point cloud map, an aircraft and a storage medium. The method comprises the following steps: obtaining a point cloud map containing semantics (S201); determining, according to the semantics on the point cloud map, respective image regions of different semantics on the point cloud map (S202). The described method can realize the automatic segmentation of image regions, satisfy the demands for automatic and intelligent classification of image regions, and improve the accuracy of image segmentation.

OBJECT SECURITY INSPECTION METHOD AND SYSTEM BASED ON OBJECT IDENTIFICATION TAG

Disclosed are an object security inspection system and method based on an object identification tag. By means of an object identification tag delivered together with an object of a person under inspection to pass through an object security inspection system (100), identity information about the person under inspection, the object of the person under inspection, an initial inspection image of the object and a re-inspection image of the object are mutually associated or bound together, to facilitate a re-inspector conducting comparison processing on the re-inspection image and the initial inspection image associated with the same identity information, thereby determining whether the object carried by the person under inspection contains prohibited items.

3D SCENARIO DISPLAY METHOD AND APPARATUS

Provided are a 3D scenario display method and apparatus. The 3D scenario display method is applied to a 3D scenario display apparatus, and comprises: loading 3D scenario information, wherein the 3D scenario information stores multiple pieces of 3D image information, and each piece of 3D image information carries corresponding shooting location information; determining, when a viewer is detected in a viewing angle range of the 3D scenario display apparatus, viewing location information of the current viewer in real time, wherein the viewing location information is information about a location of the current viewer relative to the 3D scenario display apparatus; determining, according to the viewing location information and the multiple pieces of 3D scenario information, 3D image information to be displayed; and displaying 3D content corresponding to the 3D image information to be displayed. In this way, according to the 3D scenario display method and apparatus of the embodiments of the present ...

PLATINUM NANOPARTICLE/TITANIUM DIOXIDE NANOTUBE ARRAY MANUFACTURING METHOD, ELECTRODE, NON-ENZYMATIC GLUCOSE SENSOR, AND COMPOSITE MATERIAL

The present invention discloses a platinum nanoparticle/titanium dioxide (TiO2) nanotube array manufacturing method, electrode, non-enzymatic glucose sensor, and composite material. The method comprises: S1. pre-treating a titanium plate; S2. using an anode oxidation process to manufacture a TiO2 nanotube array; S3. using an electropolymerization process to construct a biomimetic polydopamine coating on the TiO2 nanotube; S4. using an inherent reducing property of the dopamine coating to load a platinum nanoparticle on the surface of the TiO2 nanotube; and S5. using a pre-manufactured working electrode to perform non-enzymatic glucose sensor performance testing. The platinum nanoparticle/TiO2 nanotube array uses electropolymerization of polydopamine and reduction process to obtain a platinum nanoparticle and TiO2 nanotube composite material. The composite material can be used for manufacturing a non-enzymatic glucose sensor. The electropolymerization method for loading a platinum nanoparticle ...

ERROR CORRECTION METHOD FOR OPERATION OBJECTS AND COMMUNICATION TERMINAL

The present invention is applicable in the technical filed of communication and provides an error correction method for operation objects. The method comprises the steps of: when the user operates a first object, judging whether the first object is an incorrect operation object according to predetermined rules; if the first object is an incorrect operation object, setting a plurality of objects near the first object to recommendation objects; operating the recommendation objects directly or displaying the entry of the recommendation objects. Correspondingly, the present invention also provides a communication terminal. The present invention enables correcting incorrect operation objects and providing operation guidance of them so as to realize more intelligent operation for communication terminals and save user operation time and then enhance user experience.

ROUTE LOOKUP METHOD AND DEVICE

Disclosed are a route lookup method and device. The method comprises: searching, based on a pre-built two-tier tree-shaped storage structure, a first tier of the tree-shaped storage structure for a first route cluster associated with a route table entry to be queried; searching the first route cluster for a first routing apparatus associated with the route table entry to be queried; and searching the first routing apparatus for the route table entry to be queried, and returning a lookup structure, wherein the first routing apparatus is a leaf node of the first tier of the tree-shaped storage structure, and is also a root node of a second tier of the tree-shaped storage structure. The lookup structure of the route table entry to be queried can be obtained by performing the lookup three times only, thereby significantly speeding up the route lookup process.

ORGANIC LIGHT-EMITTING DEVICE AND MANUFACTURING METHOD THEREFOR

An organic light-emitting device and a manufacturing method therefor. The organic light-emitting device is provided, at a light-exiting side thereof, with a transparent light-exiting member at least comprising a light-exiting layer (11), at least one surface of the light-exiting layer (11) having a first waved shape. Due to the waved interface, the organic light-emitting device can prevent light from being reflected back and forth in a parallel manner in the interface, and further prevent light from propagating in the interface of the device in the form of a waveguide, reducing the optical loss due to the light being reflected back and forth in the interface, and further increasing the light extraction efficiency of the organic light-emitting device.

FLEXIBLE APPARATUS

A flexible apparatus. The flexible apparatus comprises: a flexible panel (100), which can generate deformation by means of an external action; a sensing module (A), which is used for sensing the deformation generated by the flexible panel (100) and sending a sensing signal; a controller (300), which is used for receiving the sensing signal and sending a control signal; a driving module (B), which is used for receiving the control signal and generating a corresponding driving signal; and an execution module (C), which is used for executing a corresponding action according to the driving signal. The flexible apparatus employs the flexible characteristic of the flexible panel (100) itself, and realizes the operation of the flexible apparatus by providing a sensor, and thus has a simple structure.

METHOD AND DEVICE FOR ADDING SCHEDULE

A method and device for adding a schedule are provided. The method includes: integrating a widget application into a schedule application, and connecting the schedule application with the widget application by an adding information communication interface (S11); the widget application informing the schedule application of establishing a schedule reminder and transmitting an information parameter to the schedule application after a user selects and determines widget application information (S12). The embodiments of the present invention integrate and connect the schedule application with the widget application, and can display more information associated with the date by extending the widget application, so that the schedule management of the user is convenient.

APPARATUS AND METHOD FOR AUTOMATIC ADJUSTMENT OF DRIVER SITTING POSTURE

The present invention relates in general to the adjustment of vehicle seat and steering wheel positions, and in particular relates to an apparatus and method' for automatic adjustment of driver sitting posture. The method for automatic adjustment of driver sitting posture according to the present invention comprises the following steps: determining an ergonomic parameter corresponding to a user; calculating a seat position parameter according to the ergonomic parameter; adjusting a seat position according to the seat position parameter; calculating a steering wheel position parameter according to the ergonomic parameter; and adjusting a steering wheel position according to the steering wheel position parameter.

家电玻璃（斜拉丝）

公交站台防疫指示灯

空调

开包复检台

床架（A563）

空调

消毒柜（20220607）

家电玻璃（碳纤维）

电池坐凳

充电宝坐凳

杯盖（带包角提手）

驾驶室面罩（商用车）

埋入式太阳能道钉

智能冰箱内置摄像头

Electric capacity touch screen and dish washer

... 本实用新型涉及电气领域中的触控屏和带触控屏的洗碗机，特别是一种电容触控屏及洗碗机。本实用新型提供一种电容触控屏及洗碗机，解决现有洗碗机上的电容触控屏存在的触控极板易弯折、断裂损伤，安装复杂导致生产效率低，以及触控膜和IMD面板黏贴时易产生气泡影响显示效果和触控灵敏度的问题。本实用新型通过将电容触控屏中的触控极板直接印制IMD面板上，用IMD面板作衬板不易折弯或断裂受损，触控极板直接印制省去背胶黏贴，简化工序提高了生产效率，同时还防止了原来因为后续粘合产生气泡对显示效果和触控灵敏度的不利影响；这种电容触控屏有助于提高洗碗机的组装效率，洗碗机操控时触控屏的显示效果和触控灵敏度好。 ...

Transformer substation's secondary line bending machine

... 本实用新型涉及一种变电站二次线折弯器，其特征在于：该折弯器设有底台（1），底台（1）上开有平底槽（2），平底槽（2）内并排设置多个挤压柱（3），挤压柱（3）的两端分别设置操作柄（4），各挤压柱（3）之间设有弹簧（5），利用弹簧（5）将挤压柱（3）连接在一起。本实用新型借助挤压力量及用力拉伸，可做到使导线平直，弧度美观；并且保证所有弯出的导线统一、平直、美观。 ...

Resonance suppression method, electronic equipment and computer storage medium

The embodiment of the invention discloses a resonance suppression method, electronic equipment and a computer storage medium. The resonance suppression method comprises the following steps: sampling a three-phase inversion inductive current of an inverter topology, and calculating a first zero sequence current according to the three-phase inversion inductive current; setting a compensation phase, and selecting a virtual resistance coefficient according to the compensation phase to construct a virtual resistor; calculating a first common-mode rejection voltage according to the first zero-sequence current and the virtual resistance; performing phase compensation on the first common-mode suppression voltage to obtain a second common-mode suppression voltage; and superposing the second common-mode suppression voltage to the output modulation wave of the inverter. According to the embodiment of the invention, the common-mode suppression voltage is calculated by constructing the virtual resistor ...

Disease-resistant leiocassis longirostris feed and preparation method thereof

The invention relates to the technical field of fish feeds, and provides a leiocassis longirostris disease-resistant feed and a preparation method thereof.The leiocassis longirostris disease-resistant feed comprises soybean cake powder, rice sprout powder, rapeseed cake powder, barley flour, calcium hydrogen phosphate, freshwater shrimp powder, multivitamins, pomacea canaliculata powder, salt, nicandra physaloides seed raw powder, wire drawing powder, light bran, corn particles and snowflake powder. The wiredrawing powder is wheat protein powder extracted from flour, and the snowflake powder is white flakes extracted from potatoes through the steps of drying, puffing and the like. By adding the snowflake powder and the wiredrawing powder, the overall bonding and wiredrawing performance is improved, the viscosity of the feed body can be effectively increased, the internal water locking and sealing effect is good after the feed is flapped and formed, meanwhile, the tensile force is increased ...

Preparation method of ball-flower-shaped magnesium hydroxide with magnesium oxide as raw material

The invention discloses a preparation method of ball-flower-shaped magnesium hydroxide with magnesium oxide as a raw material, and belongs to the technical field of preparation of inorganic functional crystal materials. The preparation method of the ball-flower-shaped magnesium hydroxide comprises the following steps: mixing magnesium oxide and a soluble crystal form molding agent solution, pulping to obtain raw material slurry, carrying out hydrothermal synthesis reaction on the raw material slurry, and carrying out solid-liquid separation to obtain a solid phase, namely the ball-flower-shaped magnesium hydroxide. According to the invention, magnesium oxide is taken as a raw material, a ball-flower-shaped magnesium hydroxide product with regular morphology is synthesized by a one-step hydrothermal synthesis method after a soluble crystal form molding agent is added into a reaction system, and the ball-flower-shaped magnesium hydroxide product can be used as an inorganic flame retardant ...

Robot spherical wheel foot with protective property and full-degree-of-freedom movement

The invention belongs to the technical field of flying robots, and provides a robot spherical wheel foot which has a protective property and can move in a full-degree-of-freedom mode. The robot spherical wheel foot comprises an outer frame, a middle frame and an inner shaft, the outer frame is of a spherical frame structure, and a supporting plane for a flying robot to take off and land is arranged on the outer frame; the middle frame is of an annular structure and is movably installed in the outer frame through a motion isolation bearing. The inner shaft is of a straight rod structure and is movably installed in the middle frame through a motion isolation bearing. The flying robot is movably installed on the inner shaft through the motion isolation bearing. According to the robot spherical wheel foot, the three-axis motion principle is adopted, namely three-axis complete rotary motion in the yawing direction, the pitching direction and the rolling direction is formed in the space, the ...

5G antenna mounting structure and angle adjusting system

The invention discloses a 5G antenna mounting structure and an angle adjusting system applied to the field of 5G antennae, the structure realizes adjustment of an antenna angle through an angle adjuster and an antenna pedestal, a driving cylinder is started to rotate by means of an angle adjusting module, and the driving cylinder drives an adjusting plate to drive an antenna body to rotate by means of friction force. Therefore, automatic adjustment of the declination angle of the antenna is achieved, the trouble that a worker climbs to adjust the declination angle is omitted, a loop is formed between the conductive part and the resistor strips with different resistance values during adjustment, the current in the loop is detected through the current detector, and the adjustment angle is displayed in real time through the angle adjustment feedback module. In addition, a clamping raised head is pushed to be recessed into a rubber film by injecting water into a positioning plate, so that the ...

Device and method for avoiding tool collision

The device comprises a positioning pin, a guide pin, a signal line, a spring, a detection switch and a control system, the interior of the positioning pin is of a through structure, the guide pin, the spring, the signal line and the detection switch are arranged in the positioning pin, one end of the spring is fixedly connected with the bottom of the positioning pin, and the other end of the spring is fixedly connected with the control system. The other end of the spring is fixedly connected with the guide pin, the detection switch is sleeved with the spring, and the detection switch is fixed to the bottom of the positioning pin and connected with the control system through a signal line. The workpiece can be stopped in time when colliding with the clamp and the gripping apparatus during automatic line production, and the deformation of the clamp and the gripping apparatus is prevented from influencing the production rhythm and even the product precision and quality. By transforming the ...

Method and kit for evaluating differentiation state of stem cells

The invention belongs to the technical field of gene detection, and particularly relates to a method and a kit for evaluating the differentiation state of stem cells, the method comprises the following steps: firstly, screening out a to-be-evaluated stem cell differentiation related gene as a target gene, designing a primer for the screened target gene, carrying out multiple PCR amplification, carrying out high-throughput sequencing on a PCR product, and carrying out high-throughput sequencing on the PCR product; the expression condition of the target gene can be quickly and efficiently obtained, so that the differentiation state of the stem cells can be quickly and accurately evaluated.

Thermal insulation protection device for power output shaft of robot

The invention belongs to the technical field of heat insulation protection, and particularly relates to a heat insulation protection device for a robot power output shaft. The device comprises a heat insulation protection cabin assembly and a power output assembly. The heat insulation protection cabin body assembly comprises an outer layer frame, a middle layer heat insulation material and an inner layer cabin body. The power output assembly comprises a power source, an in-cabin low-temperature shaft, a heat insulation connecting piece, an external high-temperature shaft and a bearing. The output shaft spacer bush is mounted at an external high-temperature shaft reserved hole, so that the heat insulation material is prevented from leaking from the external high-temperature shaft reserved hole; the outer-layer frame is made of a high-temperature-resistant material and provides external connection and support for the device; the bearing is coaxial with the power source, so that the output ...

Synthesis method of alpha-alkoxy p-chlorobenzyl phosphate

The invention provides a synthesis method of alpha-alkoxy p-chlorobenzyl phosphate ester. According to the synthesis method, p-chlorobenzylidene dichloride (I) and phosphite (II) are adopted as raw materials, the alpha-alkoxy p-chlorobenzyl phosphate (III) is obtained through one-step condensation under the condition of sodium alcoholate, and the technological method has the advantages that the raw materials are cheap and easy to obtain, the yield is high, the cost is low, the reaction conditions are mild, and the technological method is suitable for industrial large-scale production.

Drawing type water box assembly and household appliance

The invention relates to the technical field of household appliances, and discloses a drawing type water box assembly and a household appliance. The water box assembly comprises a water box and a handle assembly, the water box comprises a water box body, and the front end of the water box body is provided with a first abutting part and a second abutting part; the handle assembly comprises a panel assembly and an elastic piece, the panel assembly is rotationally installed between the first abutting part and the second abutting part, and the elastic piece is used for enabling the first end of the panel assembly to be stressed to abut against the first abutting part so that the panel assembly can be kept flush with a front panel of the household appliance; by pressing the second end of the panel assembly, the first end of the panel assembly can be screwed out outwards to form a handle. According to the water box, the hidden handle is adopted, and when the water box is used, the first end of ...

Maintenance support point site selection method

The invention relates to the technical field of equipment maintenance support, in particular to a maintenance support point site selection method, which comprises the following steps: acquiring a first-level index and a second-level index which influence the site selection of a maintenance support point; obtaining a first-level judgment matrix and a second-level judgment matrix of a second-level index under each first-level index, and obtaining a second-level evaluation matrix corresponding to the second-level index under each first-level index; and obtaining a fuzzy membership degree vector of a second-level index under each first-level index relative to a satisfaction degree level, and obtaining a final site selection scheme. According to the method, the site selection scheme of each to-be-evaluated maintenance support point is comprehensively evaluated based on all influence factors to obtain a comprehensive evaluation result; therefore, the final site selection scheme is determined ...

Low-temperature fluoride-free method for preparing vanadium-zirconium blue ceramic pigment

The invention discloses a low-temperature fluoride-free method for preparing a vanadium-zirconium blue ceramic pigment, which comprises the following steps: by taking a salt raw material as a reaction precursor, promoting the formation of an in-situ mineralizer through a mechanochemical reaction generated during physical grinding, and then carrying out heat treatment, washing and drying to obtain the target product vanadium-zirconium blue ceramic pigment. The raw materials used in the method are low in price, the operation process is simple and easy to control, the preparation period is short, pollution is small, the reaction temperature is low, and the prepared powder is good in dispersity, high in crystallinity and suitable for large-scale production. The prepared pigment powder is obvious in blue hue, stable in color generation in glaze and expected to be further applied to the field of ink-jet printing.

Etching additive for improving uniformity of textured surface of silicon wafer and use method of etching additive

The invention discloses an etching additive for improving silicon wafer suede evenness and a use method, the etching additive comprises 2-4% of a dispersing agent, 0.05-0.1% of a wetting agent, 0.1-0.5% of a nucleating agent, 0.5-1% of a complexing agent, 0.05-0.1% of a defoaming agent and deionized water, a silicon wafer etching solution is prepared after uniform mixing, then the silicon wafer etching solution is added into an alkaline solution, uniform mixing is performed to prepare the silicon wafer etching solution, and the silicon wafer etching solution is used as a substrate. The silicon wafer is put into the silicon wafer etching solution to be etched, so that the suede uniformity after etching is improved to a great extent, the problem of gullies on the surface of the silicon wafer caused by the front-end process is reduced, the cleaning efficiency is improved, and the conversion efficiency of the solar cell is improved by 0.02-0.06%.

High borosilicate glass as well as preparation method and application thereof

The invention provides high borosilicate glass and a preparation method and application thereof.The high borosilicate glass is prepared from, by weight, 67-71 parts of SiO2, 18-25 parts of B2O3, 3-5 parts of ZnO, 2-4 parts of Na2O, 1-3 parts of Al2O3 and 0.1-0.5 part of Li2O, and the high borosilicate glass is obtained after the raw materials are mixed, melted, clarified, blown and annealed. According to the invention, by coordinating and controlling the dosage of each component in the raw materials, the obtained high borosilicate glass can be ensured to have good chemical stability, light transmission and sealing matching performance while meeting the thermal expansion coefficient, and can be suitable for sealing glass of a solar vacuum heat collecting tube; meanwhile, the melting temperature of the glass can be reduced and the production capacity is improved.

Method and device for automatically placing tree models in large-scale city scene

The invention provides a method and device for automatically placing tree models in a large-scale city scene. According to the method, after vegetation semantic segmentation is carried out on a to-be-processed remote sensing image to obtain a binary image corresponding to the to-be-processed remote sensing image, a configured to-be-placed tree rectangular area is arranged in a vegetation area of the binary image to obtain a first coordinate of a to-be-placed tree in the vegetation area; after vector data of each road in the to-be-processed remote sensing image is obtained, determining second coordinates of the to-be-placed trees in a street tree area of the corresponding road based on the vector line segment of each road, the normal vector of the corresponding vector line segment and the configured distance between the to-be-placed trees; and according to the first coordinates and the second coordinates, performing coordinate transformation on each to-be-placed tree model, and determining ...

Data processing scheduling method and system, computer equipment and storage medium

The invention relates to a data processing scheduling method and system, computer equipment and a storage medium. The scheduling method is applied to the data processing system, wherein the data processing system comprises a plurality of functional models, a plurality of data sources and a plurality of scheduling queues. Each scheduling queue is respectively communicated with one function model and at least one data source, and one data source is communicated with a plurality of scheduling queues. The scheduling method comprises the steps that a data source generates a data combination and sends the data combination to a scheduling queue communicated with the data source, wherein the data combination comprises to-be-processed data and a data source identifier; the scheduling queue receives at least one data combination, stores and calls the data combination according to a scheduling rule, and sends the called data combination to the function model; and the function model receives the data ...

Binocular stereo matching algorithm for size measurement of power equipment

The invention discloses a binocular stereo matching algorithm for size measurement of power equipment. The binocular stereo matching algorithm comprises the following steps: graying an original left view and an original right view, and standardizing a color space by adopting a GAMMA correction algorithm; performing feature extraction on the multi-size images based on meta-learning to obtain a feature pyramid; performing up-sampling on the high-level feature map by using a deconvolution network to obtain a feature map with the same size as the original image; corresponding channels of the left view and the right view are staggered and connected in series pixel by pixel along the parallax dimension to obtain a 4D cost body, vertical gradient map calculation and horizontal gradient map calculation are performed on each channel of the cost body, and a kernel edge mean value is calculated to replace a kernel center value; and carrying out regularization on the cost body by using a 3D convolution ...

Denitration catalyst and preparation method thereof

The invention discloses a denitration catalyst and a preparation method thereof, and the method comprises the following steps: (1) mixing a titanium source and a dispersant to obtain a first mixed solution; (2) mixing an oxidizing agent, manganese salt and water to obtain a second mixed solution; (3) mixing ferric salt, cerium salt and water, and then mixing with the first mixed solution and the second mixed solution to obtain a third mixed solution; and (4) carrying out hydrothermal reaction on the third mixed solution, drying and roasting to obtain the denitration catalyst. Therefore, the denitration catalyst prepared by the method is high in denitration efficiency under the conditions of low temperature and high space velocity, and is relatively high in water resistance and sulfur poisoning resistance.

ARRAY SUBSTRATE, AND MANUFACTURING METHOD AND DISPLAY DEVICE THEREFOR

An array substrate, and a manufacturing method and a display device therefor are disclosed. The array substrate comprises a substrate (10), and a gate electrode driving circuit (11) and a common electrode line (22) disposed above the substrate (10), the gate electrode driving circuit (11) being provided adjacent to the common electrode line (22), and the common electrode line (22) being provided with at least one groove (23). Preparing the groove in the common electrode line can effectively reduce the flow of developer solution from the common electrode line to the gate electrode driving circuit, thereby solving the problem of channel disconnection of a thin film transistor in the gate electrode driving circuit due to uneven distribution of the developer solution.

PLASTIC FRAME, BACKLIGHT MODULE AND DISPLAY DEVICE

A plastic frame, a backlight module and a display device. The plastic frame is applied to the backlight module, and comprises a soft plastic body; the soft plastic body comprises a first border (111), a second border (112), a third border (113) and a fourth border (114); and at least one border is provided with a first fixing part (116), which is used for fixing a display panel (20).

METHOD AND DEVICE FOR ESTABLISHING TRANSMISSION LINE ON/OFF SWITCHING COMBINATION SCHEME FOR LIMITING SHORT CIRCUIT CURRENT

The invention provides a method and device for establishing a transmission line on/off switching combination scheme for limiting short circuit current. The method applies to the technical field of power systems, and comprises: setting an initial number k of lines to be switched off and a maximum number kmax of lines to be switched off; determining, for each node to be tested among a plurality of nodes to be tested, a k-self impedance upon switching off k lines; determining, on the basis of the k-self impedance of each of said nodes, k lines that meet scheme requirements and k lines that do not meet scheme requirements; on the basis of a preset step length d, increasing the initial number k of lines to be switched off to k+d; when k+d≤kmax, considering those nodes among the k lines that do not meet scheme requirements as nodes to be tested, and returning to the step of determining, for each node to be tested among a plurality of nodes to be tested, a k-self impedance upon switching off k ...

NEW BENZODIAZEPINE DERIVATIVE AND USE THEREOF

The present invention relates to a new benzodiazepine derivative, pharmaceutically acceptable salt thereof, preparation method therefor, and use thereof. The benzodiazepine derivative and the pharmaceutically acceptable salt thereof of the present invention have obvious anesthetic effect and low toxicity in body, thereby enhancing the medication safety. The benzodiazepine derivative and the pharmaceutically acceptable salt thereof of the present invention have sedative, hypnotic, and anesthetic effect, and can be used as sedative, hypnotic, and anesthetic drugs.

HIGH-CONCENTRATION DEVELOPING SOLUTION STOCK SOLUTION COMPOSITION

Disclosed is a high-concentration developing solution stock solution composition, wherein each component used and the mass percent thereof are: 1%-45% of a surfactant which has a special structure, 0.1%-50% of a dissolution auxiliary, 0.1%-25% of an inorganic base, and 30%-99.9% of high-purity water, wherein the sum of the component content percentages is 100%. The high-concentration developing solution stock solution composition contains a surfactant having a special structure, and has the characteristics of no residue and a high graphics development precision.

FLEXIBLE DISPLAY DEVICE AND PREPARATION METHOD THEREFOR

A flexible display device and a preparation method therefor. The flexible display device comprises a flexible display panel (10) and a functional module (20). The functional module (20) comprises a base film (21) and a functional layer (22) formed on the base film (21). The base film (21), which serves as an adhesive layer, attaches the functional module (20) to the flexible display panel (10).

ENGINEERING TRUCK AND DRIVING SYSTEM THEREOF

An engineering truck and a driving system thereof. The driving system comprises a multistage axle, a lower truck engine (1), an upper truck engine (5), a hydraulic motor (16) and a hydraulic pump (7). The multistage axle, the lower truck engine (1), and the upper truck engine (5) are arranged on the engineering truck (100); the hydraulic motor (16) is in driving connection with a wheel (10) of at least one stage axle (15); the hydraulic pump (7) is used for providing oil for the hydraulic motor; and the power of the hydraulic pump is supplied from the upper truck engine or from the lower truck engine. According to the driving system, wheels of some axles are directly driven by fully utilizing the power of the upper truck engine or the lower truck engine and a corresponding hydraulic system, so that an auxiliary driving force is provided for the whole truck under the circumstance that the driving capability of the conventional drive of the lower truck engine is insufficient or the power ...

空调

预警终端设备

电控箱

空调

路亚钳

摩托车

LED lamp strip, backlight

... 本实用新型提供一种LED灯条、背光源，属于LED灯条技术领域，其可解决现有的LED灯条散热效果不好的问题。本实用新型的LED灯条包括基底，所述基底一侧设有多个LED灯，所述LED灯条还包括：设于所述基底上的散热凸起。 ...

Pumpingh well polished rod operation emergency staircase

... 一种抽油井光杆操作安全梯，包括：上卡子（1）、梯框（2）、踏蹬（3）、下卡子（4）；其特征是：所述的抽油井光杆操作安全梯为长方形框架结构，梯框（2）内均布设有4～5个踏蹬（3），踏蹬（3）为“Ω”型，中间设有“U”光杆口（G）,顶面设有防滑纹（3.1）。梯框（2）的上边与上卡子（1）的一半底边联接，梯框（2）下边与下卡子（4）的一半上边联接。本实用新型适用于油田抽油井冲程的调整、作业开井、碰泵作业、更换光杆等井口操作，进行上卸方卡子、挂悬绳器非常不便，有效防止摔伤、碰伤操作人员的事故发生，保障油田安全生产。 ...

Transformer experiment insulated wire supports instrument

... 本实用新型涉及一种变压器实验绝缘线支撑工具，属于供电检修、施工技术领域。技术方案是：包含绝缘底板（1）、绝缘支柱（2）、磁铁底盘（3）、架线支板和架线槽（5），所述绝缘底板（1）的下端设有磁铁底盘（3），所述绝缘支柱（2）固定在绝缘底板（1）的上端，所述绝缘支柱（2）的上端设有凹槽，所述架线支板包含竖杆（4）和横杆（6），所述架线支板的竖杆（4）设置在凹槽内，横杆（6）垂直设置在竖杆（4）的上端，所述横杆（6）的两端上侧对称设有架线槽（5）。本实用新型的有益效果：制作简单、安装方便，避免实验线靠近或接触变压器外壳时，引起放电，保证人员和设备的安全。 ...

一种热喷涂用稀土锌铝镍钛合金丝材及其制备方法和应用

... 本发明提供一种热喷涂用稀土锌铝镍钛合金丝材及其制备方法和应用。所述热喷涂用稀土锌铝镍钛合金丝材包括Al、Zn、Ti、Ni、Mg、Cu和稀土金属，各元素的质量百分比含量为：Zn：32.66‑39.73％、Ti：0.84‑1.02％、Ni：4.18‑5.13％、Mg：0.9‑1.1％、Cu：12.32‑15.12％、稀土金属：0.3％～0.8％；Al：余量；所述稀土金属选自La(镧)和Ce(铈)中的任一种或任意比例的两种。本发明还提供一种具有合金涂层的带肋或不带肋钢筋，所述合金涂层为采用本发明所述稀土锌铝镍钛合金丝材经热喷涂在钢筋表面形成的，所述合金涂层的厚度为30‑300μm。 ...

Application of redox receptor APT1 in cultivation of root rot resistant plants

The invention discloses application of a redox receptor APT1 in cultivation of root rot resistant plants. The invention provides an application of an APT1 protein or an APT1 gene in regulating and controlling the disease resistance of plants to root rot. Specifically, the regulation is negative regulation, the abundance of APT1 protein is reduced, and the disease resistance of plants to root rot is enhanced. Specifically, the regulation is negative regulation, the abundance of the APT1 gene is reduced, and the disease resistance of the plant to the root rot is enhanced. The invention also provides a method for cultivating the plant with enhanced root rot resistance, which comprises the following steps: inhibiting the expression of the APT1 gene in the receptor plant to obtain the transgenic plant with the root rot resistance higher than that of the receptor plant. The method provided by the invention is short in period and high in efficiency, greatly saves the screening and cultivation ...

Automatic chart generation system

The invention provides an automatic chart generation system which comprises a database retrieval module used for receiving an NLP query for a database, constructing a query statement according to the NLP query and automatically generating form data of a query result; the form serialization module is used for obtaining form data, determining the type of the form data and generating a serialized form based on the type of the form data; and the chart presentation module is used for receiving rendering parameters associated with the serialized form, determining a to-be-presented data element set based on a plurality of rendering parameters in the chart creation interface, and rendering by utilizing a specific chart style to obtain a target chart. Through the scheme of the invention, the user can freely select the data in the NLP query content and autonomously select the rich chart display form, the real-time visual display of the selected data is realized, the chart content is realized according ...

Method, primer and probe for identifying panax stipuleanatus and application of method, primer and probe

The invention discloses a method, a primer and a probe for identifying panax stipuleanatus and application of the method, the primer and the probe, and belongs to the technical field of identification of sibling species. The method comprises the following steps: by taking genome DNA of a sample to be identified as a template, carrying out real-time fluorescent quantitative PCR amplification reaction by adopting primers TZF and TZR and a probe, and identifying the sample as Panax stipuleanatus if a detection CT value is less than 40; the sequence of the primer TZF is as shown in SEQ ID No. 1, the sequence of the primer TZR is as shown in SEQ ID No. 2, and the sequence of the probe is as shown in SEQ ID No. 3. The method has excellent specificity and sensitivity, and can be used for quickly and reliably identifying the panax stipuleanatus.

Municipal road pavement paving device and paving method thereof

The municipal road pavement paving device comprises a movable vehicle body, a collecting hopper, an auger, a mounting shell and a paving mechanism, the collecting hopper and the auger are arranged at the top of the movable vehicle body, the collecting hopper is located above the auger and communicates with the wall of the auger, the mounting shell is fixedly arranged at the end of the movable vehicle body, and the paving mechanism is arranged on the mounting shell. The installation shell is a cuboid shell with openings in the upper end and the lower end, the laying mechanism comprises a first feeding mechanism and a second feeding mechanism, the first feeding mechanism and the second feeding mechanism are installed on the installation shell and are symmetrically arranged, and a material leakage opening is formed in the bottom of the discharging end of the auger and located above the installation shell; materials are inversely placed in the collecting hopper, the auger conveys the materials ...

Ultrasonic vibration cleaning device for twisting and connecting drum wheel of cigarette making machine

The invention discloses an ultrasonic vibration cleaning device for a twisting and connecting drum wheel of a cigarette making machine. The ultrasonic vibration cleaning device comprises an inner side plate, an outer side plate, a cleaning brush, a motor transmission assembly and a lifting assembly, the motor transmission assembly comprises a servo motor, a transmission gear assembly, a synchronous cog belt, a sliding bearing and a brush shaft, the transmission gear assembly comprises a driving gear and a driven gear, an output shaft of the servo motor is sleeved with the driving gear, the outer end of the brush shaft is sleeved with the driven gear, and the driving gear and the driven gear are connected through the synchronous cog belt; the lifting assembly comprises a base, an air cylinder and an air cylinder pull rod, the base is arranged at the bottoms of the inner side plate and the outer side plate, the air cylinder is arranged below the base, and the air cylinder pull rod is arranged ...

Afterburner aerodynamic characteristic simulation device for aero-engine complete turbine test

The invention belongs to the technical field of non-variable-capacity engine design and structural component testing, and particularly relates to an afterburner aerodynamic characteristic simulation device for aero-engine whole turbine testing. Only an outer casing, a confluence ring and an inner cone are reserved, and the afterburner structure is designed in a simplified mode; when an aero-engine complete turbine test is carried out, an actual afterburner can be replaced, it can be guaranteed that enough space is provided for installation and operation of turbine test equipment, wire leading is convenient, in addition, the confluence ring is modified and designed, the confluence ring is designed to be of a hollow structure with the rear edge open, and the confluence ring is convenient to install and operate. The annular plate with the flow control hole is detachably connected to the rear edge, so that outer culvert airflow can be introduced into the confluence ring and flows out from the ...

Tool for early diagnosis and/or prognosis evaluation of esophageal cancer

The invention discloses a tool for early diagnosis and/or prognosis evaluation of esophageal cancer, and belongs to the technical field of disease diagnosis. The invention provides application of a reagent for detecting the methylation site of a TCEA1 gene promoter region and/or a reagent for detecting the expression quantity of TCEA1 protein in preparation of a tool for early diagnosis and/or prognosis evaluation of esophageal cancer. The methylation site of the TCEA1 gene promoter region and/or the expression quantity of TCEA1 protein are/is used as biomarkers for early diagnosis and prognosis evaluation of esophageal cancer. According to the invention, the AUC values of TCEA1CpG8 and CpG10 are 0.650 (P is equal to 0.042); the sensitivity and the specificity are 58.3% and 74.2% respectively. The AUC value of the TCEA1 protein disclosed by the invention is 0.933 (P is less than 0.01); the sensitivity is 86.8%, and the specificity is 91.0%. The biomarker can be used as a powerful means ...

ELECTRIC MOTOR OIL PUMP ASSEMBLY, STEERING SYSTEM AND VEHICLE

Disclosed is an electric motor oil pump assembly, comprising: an electric motor assembly (200); an oil pump assembly (100), the oil pump assembly (100) being supported on an end cover of the electric motor assembly (200), an upper end cover (210) of the oil pump assembly (100) being provided with an end cover cavity which penetrates through the upper end cover (210) and is in communication with a high pressure cavity (102) of the oil pump assembly (100); an inner soundproof cover (400), the inner soundproof cover (400) being sheathed outside the oil pump assembly (100) and defining, together with the oil pump assembly (100), an inner layer soundproof cavity (401) filled with low pressure oil, the inner layer soundproof cavity (401) being in communication with a low-pressure cavity (101) of the oil pump assembly (100); and a pre-tightening buffer assembly (300), the pre-tightening buffer assembly (300) comprising a piston (310) and an elastic member (320), the piston (310) being in cooperation ...

TERMINAL DEVICE

Embodiments of the present invention provide a terminal device, which comprises a display screen, a first camera and a moving mechanism, wherein the first camera is disposed on a moving member of the moving mechanism, the moving mechanism is disposed on the back of the display screen, and the moving member is used for driving the first camera to move from the back of the display screen to a position where the first camera can be seen from the front side of the terminal device.

METHOD AND APPARATUS FOR CONFIGURING AND DELIVERING FLOW TABLE ENTRY

The present application provides a method and an apparatus for configuring and delivering a flow table entry. The method comprises: a switch sending, to a controller, a request message for requesting delivering a flow table entry, the request message carrying a to-be-forwarded data packet; after the controller receives the request message, the controller generating all flow table entries matching the to-be-forwarded data packet, and returning, to the switch, a response message carrying all the flow table entries matching the to-be-forwarded data packet; after then switch receives the response message, the switch extracting all the flow table entries matching the to-be-forwarded data packet from the response message; and aggregating all the extracted flow table entries into flow table entries of a hardware layer, and when the switch supports the flow table entries of the hardware layer, the switch configuring the flow table entries of the hardware layer into a flow table of the hardware ...

ROLLER COATING DEVICE FOR COATING PHOTOVOLTAIC GLASS WITH AR COATING SOLUTION

A roller coating device for coating photovoltaic glass with an AR coating solution, comprising a rack (1). The upper end of the rack (1) is provided with a support roller (2); the upper end of the support roller (2) is provided with glass to be machined (14); the middle part of the rack (1) is provided with upright columns (3); the upper end of each upright column (3) is provided with a slide rail (5); several movable bearing pedestals (6) are mounted in the slide rail (5); the upright columns (3) drive the movable bearing pedestals (6) by means of screws (19); the upright column (3) is sequentially provided with a front roller (11), a rear roller (8), and a compaction roller (7) from left to right by means of the movable bearing pedestals (6).

CAMERA MODULE AND MOBILE TERMINAL

Provided are a camera module and a mobile terminal. The camera module is fixedly mounted inside a frame body of the mobile terminal and comprises a housing with an opening at one end, a camera, a support, at least two hooks and at least one elastic member, wherein a first end of the support is fixed to the camera and a second end thereof extends into the opening, and the second end is provided with at least two connecting plates; one end of each hook is connected to the housing, and the other end thereof is slidably hooked on the connecting plate; each elastic member is connected to the housing and the second end, and the elastic member has an amount of pre-compression, and drives the hook to be hooked to or detached from the connecting plate when pressed. When a user presses the camera, the elastic member is pressed to drive the connecting plate to move in the direction away from the opening such that the hook is detached, and the hook and the connecting plate then slide relative to each ...

DUAL-CAVITY TYPE HEAT COLLECTION AND ENERGY STORAGE METHOD OF SOLAR BY METALLIC OXIDE PARTICLE AND DEVICE THEREOF

A dual-cavity type heat collection and energy storage method of solar by metallic oxide particles and a device thereof. Focused sunlight is incident to a light suction cavity (1) of a dual-cavity type heat collection reactor to heat a separating plate surface (3) and preheat the metallic oxide particles; the preheated metallic oxide particles enter into a reaction cavity (5); the metallic oxide particles are heated and reduced with increasing temperature to release oxygen; the released oxygen is output through a gas outlet (10) of the reaction cavity; the reduced metallic oxide particles are output through a particle outlet (8) of the reaction cavity, and enter into a reduced particle storage box (7), and then enter into an oxidation heat exchanger (12) to react with the oxygen from the gas outlet (10) of the reaction cavity to release the stored chemical energy; the chemical energy is transferred to a heated working substance; the oxidized metallic oxide particles enter into an oxidized ...