785results about How to "Easy wiring" patented technology

The utility model discloses a planetary disc type joint module and a robot with the same, the planetary disc type joint module comprises a shell, a planetary reducer assembly, a motor assembly and an electrical cabin, the planetary reducer assembly, the motor assembly and the electrical cabin are arranged in the shell, a hollow shaft and an inner gear ring are arranged in the shell, and the planetary reducer assembly and the motor assembly are arranged in a nested mode; an output end magnetic ring and a motor end magnetic ring are arranged on the hollow shaft, the two magnetic rings are installed in an embedded mode, signals of the two magnetic rings can be detected through one code disc reading head, and the motion of the output end of the planetary reducer assembly is transmitted to an electric cabin of the joint through the hollow shaft. The signals of the motor end and the output end can be detected at the same time without additionally installing an output end encoder assembly, and the control precision of the joint output end is improved; the planetary reducer assembly adopts multi-stage speed reduction, the speed reduction ratio is large, the torque density of the joint is high, the rotational inertia is small, and the overall integration degree is high.

The invention relates to a plurality of multifunctional combustion controllers, each multifunctional combustion controller comprises an MCU, a communication port, a logic port, an input port and an output port, the communication port, the logic port, the input port and the output port are all connected with the MCU, the input port is used for receiving state information of UV ultraviolet light flame detection and ionization flame detection, and the logic port is used for receiving state information of UV ultraviolet light flame detection and ionization flame detection. The output port is used for driving the ignition transformer, the small fire valve, the main fire gas valve, the main fire air valve and the smoke exhaust valve to be opened / closed, and each multifunctional combustion controller is connected with the central control unit. The multifunctional combustion controller has the advantages that the multifunctional combustion controller integrates two paths of independent flame detection modes, has two functions of UV flame detection and ionization type flame detection, is suitable for three working modes of UV flame detection, integrated electrode flame detection and independent electrode flame detection, and can be connected to two flame detection interfaces of the MFCC for burners with two sets of flame detection, so that the flame detection efficiency is improved. And a flame detection signal amplifier does not need to be additionally configured.

The invention provides a closed-loop control ultraviolet curing method, device and system, a UV light source controller controls a UV light source to turn on based on a preset output power in response to the obtained preset output power, the UV light source collects an actual light intensity value and transmits the actual light intensity value back to the UV light source controller, and the UV light source controller controls the UV light source to turn on based on the preset output power. The UV light source controller detects whether the actual light intensity value reaches a preset value range or not, and if not, the output power is adjusted through PID till the actual light intensity value is adjusted to the preset value range; the light intensity output is controlled by adopting a PID (Proportion Integration Differentiation) adjusting method, and when a detection plate of a light source detects the change of an external condition, the equipment power can be automatically adjusted according to the actual change of a light intensity value, so that the output light intensity is stabilized in a numerical range required by a customer, and the quality abnormity caused by unstable light intensity output is effectively avoided; in addition, the system is based on RS-485, connection of a plurality of modules is achieved, network cabling is simplified, and system expansion and maintenance are facilitated.

The invention provides an SVG controller modeling analysis method based on field experiment data, and relates to the technical field of electric power grids. According to the method, the high-low penetration fault test is carried out on the SVG, the field experiment data is obtained, the calculation data of the transient model of the SVG under different model parameters are combined, the least square method is adopted to carry out parameter identification, and the optimal model parameters of the transient model of the SVG controller are obtained. The process avoids modeling of complex topology in the SVG and laboratory communication protocol debugging, is suitable for testing of SVGs of various models, and is high in field test result accuracy, simple in wiring and extremely low in risk. A field test result can truly reflect transient response characteristics of station-level current and reactive power, and a modeling path based on the field test is opened. The SVG control characteristic extraction efficiency is improved, the model precision and modeling efficiency of the complex topology SVG are improved, and therefore the analysis efficiency of the SVG analysis process is improved.

The heat bridge breaking structure comprises a heat preservation sandwich layer located in the middle, an outer acanthus and an inner acanthus are arranged on the two sides of the heat preservation sandwich layer respectively, and the heat preservation sandwich layer is connected with the outer acanthus and the inner acanthus through a plurality of connecting assemblies for supporting the outer acanthus and the inner acanthus. According to the heat insulation bridge structure of the sandwich heat insulation external wall panel and the construction technology, the outer acanthus, the heat insulation sandwich layer and the inner acanthus are matched to form a formwork with an inner cavity and an outer cavity, concrete is poured into the cavities to form an outer acanthus wall and an inner acanthus wall, the outer acanthus and the inner acanthus are supported through the connecting assemblies, and the stable cavities are formed; the possibility that gaps between the heat preservation sandwich layers are increased or dislocation occurs due to the fact that the heat preservation sandwich layers are disturbed by concrete is reduced, and then the possibility that linear heat bridges are formed due to the fact that the effective thickness of the dislocation part heat preservation plate is reduced is reduced.

The invention relates to the technical field of cable wiring supporting and positioning, in particular to a cable wiring clamping and supporting device which comprises a supporting table, a plurality of transversely-penetrating clamping holes are formed in the supporting table in the length direction of the supporting table at equal intervals, clamping and supporting assemblies are arranged in the clamping holes, and a power base is fixedly installed at the top of the supporting table. A clamping lifting channel communicating with the interior of the clamping hole is formed in the bottom in the pressing assembly groove, a set of pressing type lifting clamping pieces are vertically arranged in the clamping lifting channel, the bottom ends of the pressing type lifting clamping pieces are rotationally connected with the clamping supporting assembly, and a set of pressing assemblies are connected to the top ends of the pressing type lifting clamping pieces in an inserted and limited mode. According to the device, by controlling movement of a single set of pressing assemblies, pressing and rotating control is carried out on pressing and rotating type lifting clamping pieces in different clamping lifting channels, then selective control and use are carried out on the clamping supporting assembly in each clamping hole, and the complexity of the structure is reduced.

The utility model discloses a medium-frequency power supply case with a buffering and damping mechanism, which comprises a cabinet body, a mounting frame, a strip-shaped sliding block, a power supply body, a connecting mechanism, a fixing plate and an inflatable bag, when a whole device needs to be carried, the inflatable bag is inflated through an air tap, and the inflatable bag is inflated to be propped against the end surfaces of a top frame and a bottom frame; a power supply device body on a mounting frame in a cabinet body has good impact resistance by matching with a telescopic rod and a sleeve, the power supply device body is prevented from being damaged in the whole carrying process of the device, a binding rod is arranged on a fixing plate, an inflation bag is bound to the binding rod through a binding belt, and the inflation bag belongs to a quick-wear part and is not prone to damage. The inflatable bag is bound on the fixing plate, maintenance and replacement of the inflatable bag are facilitated, and when the power supply body is installed on the installation frame, the top frame, the bottom frame and the installation frame can be taken out from the cabinet body integrally, so that installation of the power supply body on the installation frame and wiring between the power supply bodies are facilitated.

The utility model relates to the technical field of electric power construction auxiliary frames, in particular to an electric power construction auxiliary frame which comprises a first supporting plate, a second supporting plate is arranged on the right side of the first supporting plate, shock absorbers are arranged on the front side and the rear side of the bottom of the first supporting plate and the front side and the rear side of the bottom of the second supporting plate respectively, and universal wheels are arranged at the bottoms of the shock absorbers. A connecting plate is arranged between the first supporting plate and the second supporting plate, a fixing assembly is arranged on the power construction auxiliary frame, a third adjusting seat can be driven to move by operating a second electric telescopic rod, and a first adjusting seat and a second adjusting seat can be driven to move at the same time under the cooperation of a rotating rod; therefore, the fixing plate can be driven to move through the first adjusting seat and the second adjusting seat, electric wires can be fixed through the fixing plate, the electric wires with different diameters can be fixed, the electric wires with different diameters can be effectively fixed during fixing, wiring can be better carried out, and the whole device is simple in structure, convenient to operate and higher in practicability.

The invention belongs to the technical field of artificial intelligence, and discloses an FPGA fault diagnosis accelerator design method based on a shift module and an AXI cross matrix, and the method comprises the steps: taking GHOSTNETV2 as a backbone network, carrying out the standard 3 * 3 two-dimensional convolution operation of an input content through a first main convolution layer of the network, so as to extract features, and carrying out the calculation of the features; then inputting the features into a subsequent layer for further feature extraction, and independently optimizing the layer; the influence of quantization and data packaging on delay is analyzed, and different quantization methods of different data formats from 32 bits to 8 bits are compared; different quantization strategies are selected for different network layers; an advanced synthesis tool HLS of the Xilinx FPGA is selected; each Xilinx DSP48E1 is decomposed into two 8 * 8 multiplying units, so that computing resources are maximized. According to the method, an optimal mixing precision quantification strategy is obtained through theoretical analysis and experiments, and knowledge distillation is decided to be used for keeping precision, so that the use of hardware resources is remarkably reduced.

The invention discloses an array server configuration method suitable for AIPC and a server, and relates to the field of server configuration.The method comprises the steps that calculation demand characteristics of a target application scene are obtained, and the calculation demand characteristics comprise the single-machine calculation power demand, the network interconnection demand and the storage capacity demand; calculating the number of target computing power modules according to the single-machine computing power demand, and calculating the number of target storage modules according to the storage capacity demand; constructing a server topology model according to the calculation demand characteristics, and calculating an estimated flow of data transmission between modules in the server topology model according to the server topology model; according to the number of the target computing power modules, the number of the target storage modules and the estimated flow, a server layout mode comprising the computing power modules, the storage modules and the network switching module is determined in a server topology model, and by implementing the method, the resource allocation balance of the array server can be improved.

The utility model provides a turnover hydraulic vibration test device. The overturning hydraulic vibration test device comprises a base, a rotatable overturning hydraulic cylinder arranged on the base, an overturning driving piece used for driving the overturning hydraulic cylinder, a horizontal working table located on one side of the overturning hydraulic cylinder, a vertical working table located above the overturning hydraulic cylinder and a sliding table oil source. The sliding table oil source is communicated with the horizontal working table to supply oil to the horizontal working table, the sliding table oil source is communicated with the turnover driving part to provide power for the turnover driving part to work, and the turnover hydraulic cylinder has a first state of being connected with the vertical working table and a second state of being connected with the horizontal working table after being turned over. According to the turnover hydraulic vibration test device, the sliding table oil source is used as turnover power of the turnover hydraulic cylinder, and compared with a motor set, the turnover hydraulic vibration test device is smaller in occupied space, simple in wiring, rapid in installation, attractive in appearance and low in cost.

The invention provides a capacitor voltage transformer partial voltage capacitance measuring method based on short circuit frequency scanning, and belongs to the field of electrical insulation detection of electrical equipment, and the method comprises the steps: carrying out the first short circuit impedance test of a capacitor voltage transformer, measuring the frequency-dependent short circuit impedance containing a second capacitor, and obtaining the first frequency-dependent short circuit impedance; performing a second short-circuit impedance test, and measuring frequency-dependent short-circuit impedance including the first capacitor and the second capacitor to obtain second frequency-dependent short-circuit impedance; drawing a frequency-dependent short-circuit impedance curve according to the first frequency-dependent short-circuit impedance and the second frequency-dependent short-circuit impedance, and calculating to obtain a first capacitance reference value and a second capacitance reference value; the first capacitance reference value and the second capacitance reference value are combined with the ratio of the intermediate voltage transformer, a measured value of the voltage dividing capacitance is calculated, and measurement of the voltage dividing capacitance of the capacitor voltage transformer is completed. The problems that wiring is complex and the precision is greatly influenced by a wiring mode in an existing capacitance value measuring method are solved.

The invention relates to the technical field of neural microelectrodes, and provides a stent electrode which comprises a deformation part, the deformation part is provided with wire bodies which are interwoven to form a net structure, an electrode is arranged at the interwoven position of the net structure, and the electrode is communicated with a conductor. And the conductor is laid on the deformation part and is led out of the deformation part from the edge of the deformation part. The invention further provides a preparation method of the stent electrode. The electrodes are arranged on the deformation part, the limitation of the number of the electrodes can be broken through, a higher channel can be formed, the conductors used for leading out electrode signals are arranged on the deformation part, conductor wiring is simple, and mutual entanglement of wires can be avoided; the electrode bracket is manufactured by adopting an integrated preparation process, so that the electrode and the conductor can be integrated, and the sizes of the electrode and the conductor can be adjusted according to specific clinical requirements.

The utility model relates to a vehicle-mounted video acquisition system and vehicle equipment, and belongs to the field of electronics and electrics. The vehicle-mounted video acquisition system comprises a camera device, a coaxial cable and a vehicle controller, the camera device is connected to the vehicle controller through the coaxial cable, the camera device comprises an interface circuit, and a first signal end of the interface circuit is connected with a central lead of the coaxial cable; the input end of the voltage converter is connected with the voltage connecting end of the interface circuit; the output end of the serializer is connected with the second signal end of the interface circuit, and the power supply end of the deserializer is connected with the output end of the voltage converter; the power supply end of the image sensor is connected with the output end of the voltage converter, and the video signal output end of the image sensor is connected with the output end of the serializer. The method can help to improve the definition of the video collected by the vehicle-mounted camera equipment.

The present application relates to the technical field of print cleaning, and in particular to a cleaning device and a cleaning method. The cleaning device includes a host unit, a cleaning agent storage unit and an electrical processing unit. The host unit includes a rack, a loading and unloading module, a cleaning module and a pneumatically driven execution unit, the pneumatically driven execution unit is configured to perform preset actions on a target object, and the electrical processing unit is configured to control the pneumatically driven execution unit. The cleaning device uses pneumatic motion control to reduce the contact between electricity and solvents, making the cleaning process of the cleaning device safer, and the wiring of the pneumatically driven execution unit is simpler. In the cleaning method, when performing multi-stage cleaning, after the cleaning of the previous level is completed, the cleaning agent carried on the target object can be blown dry first, and then the cleaning station of the next level can be entered, so that multiple cleaning and drying can be achieved, avoiding the previous level cleaning agent from contaminating the next level cleaning agent, reducing the use of cleaning agents, and facilitating safe production management.

The invention relates to the technical field of bridge construction, in particular to a matching beam automatic adjusting bottom die system which comprises a bottom die trolley and an electric control case, fixing plates are arranged on the bottom die trolley, fixing rods are symmetrically fixed between the fixing plates, the two ends of the fixing plates are further connected with mounting plates respectively, positioning frames are arranged on the mounting plates, and the positioning frames are connected with the electric control case. A positioning frame is arranged on the base, a mounting frame is movably clamped in the positioning frame, a limiting plate is further movably clamped in the mounting frame, a Y-direction jack and an X-direction jack are installed on the outer side of the positioning frame and the outer side of the mounting frame respectively, a Z-direction jack is installed at the upper end of the limiting plate, and a connecting piece is connected to the movable end of the Y-direction jack and the outer side of the mounting frame. According to the bottom die system capable of automatically adjusting the matching beam, on the basis of an intelligent measuring system, the bottom die trolley is improved, automatic adjustment control over the bottom die is achieved, high-precision adjustment processing of the bottom die is conveniently and rapidly achieved, and the construction time is effectively shortened.

The utility model relates to the technical field of photovoltaic curtain walls, and discloses an adiabatic small-frame photovoltaic curtain wall which comprises a curtain wall keel, curtain wall frames and photovoltaic panels installed on the curtain wall frames, a large number of curtain wall frames are spliced to form the curtain wall, connecting sealing strips are arranged at the splicing positions of the curtain wall frames, the curtain wall frames comprise supporting inner frames, and the supporting inner frames are connected with the photovoltaic panels. A plurality of connecting supporting plates are horizontally installed between the supporting inner frames, connecting skirt edges are installed on the outer surfaces of the supporting inner frames, and the connecting skirt edges are installed on curtain wall keels. According to the heat insulation type small-frame photovoltaic curtain wall, the connecting skirt edge is arranged on the outer surface of the supporting inner frame, so that the wiring heat conduction groove is formed between the supporting inner frame and the connecting skirt edge, wiring can be conducted in the wiring heat conduction groove, heat conduction is reduced through the wiring heat conduction groove, and the heat insulation effect is achieved; a gap is reserved between the back face of the photovoltaic panel and the back face of the supporting inner frame to achieve heat dissipation, and the effects of facilitating wiring, isolating heat and improving heat dissipation are achieved.

The utility model belongs to the technical field of LED display screens, and relates to an installation structure, an LED video light bar and a light bar module, the LED video light bar comprises a light panel, a light box, a mask and the installation structure, the light panel is arranged on a boss, a pressing plate of a light panel fixing buckle is pressed on the light panel, and a clamping block at the end of an elastic clamping bone is clamped in a clamping groove of the fixing buckle; a stepped hole is formed in the top of the mask, the two sides of the mask are arranged at the top ends of the two side walls of the lamp box, a clamping head of the mask clamping nail penetrates through the stepped hole to be matched with the clamping nail fixing buckle, and a nail cap of the mask clamping nail is matched with the stepped hole. The LED lamp panel has the advantages that screw holes do not need to be reserved in the two sides of the lamp panel, the lamp panel is easy to disassemble and assemble, wiring of the lamp panel is facilitated, the LED lamp panel is more suitable for installation of the lamp panel with the small width, and meanwhile damage to the mask in the disassembling process is avoided.

The invention discloses a protection device hardware-in-the-loop test method and system, and relates to the technical field of in-the-loop tests, and the method comprises the steps: constructing a simulation scene in a hardware-in-the-loop simulation test system; according to the installation position of the to-be-verified protection device in the simulation scene, minimum sampling signals needed by normal work of the to-be-verified protection device are determined, and a current transformer model capable of restoring a transient saturation scene is established; electrifying the to-be-verified protection device, and enabling the hardware-in-the-loop simulation test system to output an electrical signal; when a correct sampling reading is obtained on the protection device, a fault scene is simulated in a simulation scene, and whether an action result meets a constant value and action logic or not is determined through logic judgment of a current signal which is calculated by a model and contains transient saturation characteristics and the protection device. According to the protection device hardware-in-the-loop test method provided by the invention, the truth value current in a non-ideal fault state is restored, and the working characteristics of the relay protection device of the power station are deeply tested.

The invention relates to the technical field of operation machinery, and discloses a crane. The crane comprises a traveling driving system which comprises a driving motor and a traveling mechanism, and the driving motor is connected with the traveling mechanism; the fuel cell system comprises a cell stack, a hydrogen supply mechanism and an air supply mechanism, and the cell stack is connected with the hydrogen supply mechanism and the air supply mechanism; the operation system comprises a winch motor, a winch box, a rotation assembly, a rotation motor, an oil pump motor and an operation hydraulic assembly, the winch motor is connected with the winch box, the rotation motor is connected with the rotation assembly, and the oil pump motor is connected with the operation hydraulic assembly; and the control system is electrically connected with the traveling driving system, the fuel cell system and the operation system. The fuel cell system serves as a power source to provide power for the crane, water and heat are mainly generated in the operation process of a fuel cell, harmful tail gas emission is avoided, fuel can be rapidly supplemented through a hydrogen refueling station, and zero emission, high efficiency and high energy supplementing speed are achieved.

The utility model discloses an optical fiber access terminal box and an optical fiber access device. The optical fiber access terminal box comprises a terminal box, an optical network unit and a cable, the terminal box comprises a cover plate and a box body, the box body is provided with a mounting cavity with an opening in one end, the cover plate movably covers the opening, and a connector is arranged on the outer side of the box body. The optical network unit is mounted on one side, facing the mounting cavity, of the cover plate; one end of the cable is connected with the optical network unit, and the other end is connected with the joint. According to the optical fiber access terminal box, the optical network unit is installed on the cover plate, so that wiring, installation and maintenance of the optical network unit are more convenient, meanwhile, compared with a structure in which the optical network unit is arranged in the box body, the optical fiber access terminal box can utilize the space in the terminal box more reasonably, the size of the structure is convenient to reduce, and the cost is reduced. Therefore, the optical fiber access terminal box is miniaturized.

The utility model provides a splicing type line lamp, which relates to the line lamp field, and comprises a lamp body, a driver and two quick connection terminals, the driver is arranged on the inner side of the top end of the lamp body, the two quick connection terminals are respectively arranged on two sides of the driver and are both connected with the lamp body, and the upper end and the lower end of the lamp body are respectively provided with a cover plate and a baffle plate. The driving screw is fixed to the sliding strip, the quick connection terminal is installed on the sliding strip in a sliding mode, wiring of the LED lamp panel is convenient, the lamp shell is divided into the lamp body, the cover plate, the connection plugs and the baffles, the line lamp is installed in a spliced mode, the LED lamp panel can be installed in a spliced mode, and therefore the line lamp is convenient to install and maintain. And meanwhile, the LED lamp panel can be quickly replaced by separating the connecting plug from the lamp body and preventing the baffle from falling off at a fixed point, so that the mounting and replacing steps are simplified, and the problem that the LED line lamp is difficult to mount and replace is solved.

The utility model belongs to the technical field of flame-retardant power cables, and particularly relates to an aluminum core flame-retardant power cable, which comprises a plurality of aluminum cores and an inner support positioned in the center of the cable, the plurality of aluminum cores are uniformly distributed outside the inner support, an outer cover plate is arranged outside the aluminum cores and positioned outside the inner support, and the outer cover plate is provided with a plurality of aluminum cores. The outer cover plates are tightly attached to the aluminum core and the inner support at the same time, the multiple outer cover plates are circumferentially distributed, the outer cover plates are continuously arranged in the axial direction of the cable, and the outer cover plates are in butt joint with or disengaged from the inner support and the aluminum core in the radial direction; firstly, the inner support and the outer cover plate are arranged to wrap the aluminum core, stripping is easier compared with a filling layer, the split outer cover plate is arranged to be matched with the marking groove, rapid stripping of the outer cover plate is facilitated, and wire stripping work during wiring is facilitated while the structural stability is guaranteed; buffering and deformation spaces can be provided for the aluminum core, so that the bending resistance of the cable is better.

The utility model discloses a high-voltage fixed switch cabinet, which belongs to the technical field of electrical equipment and comprises a circuit breaker chamber and a cable chamber, a horizontal support is arranged between the circuit breaker chamber and the cable chamber, a lightning arrester is arranged on one side, far away from the circuit breaker chamber, of the horizontal support, and the lightning arrester is horizontally arranged on the horizontal support. The horizontal support is used for installing and supporting part of components, the lightning arrester is arranged on the horizontal support, so that the wiring mode in the cabinet body of the switch cabinet can be simplified to the greatest extent, the positions among other components are relatively concentrated, and the lightning arrester is generally located at the bottom of a cable chamber and is farthest from the other components, so that the wiring mode is simplified; according to the scheme, the position of the lightning arrester is reasonably changed, so that the wiring difficulty in the whole switch cabinet body is reduced, and the wiring mode is simplified.

The invention discloses a battery pack and a battery box. The battery pack comprises a shell and a battery module, one side of the shell is provided with an end shell part, the end shell part is provided with a positive electric interface and a negative electric interface, and the positive electric interface and the negative electric interface are sequentially arranged in the longitudinal direction of the shell. The battery module is electrically connected to the positive electrode electrical interface and the negative electrode electrical interface. The longitudinal direction of the shell is the direction perpendicular to the supporting face when the shell is supported on the supporting face. The positive electrode electrical interface and the negative electrode electrical interface of the battery pack are sequentially arranged along the longitudinal direction of the shell, the battery box does not need to be stacked in a mode of matching the battery pack A and the battery pack B, wiring can be facilitated by only arranging one battery pack in the battery box, cable connection of the battery pack is simple without intersection, wiring is neat and neat, wiring of a cable harness is convenient, and the service life of the battery box is prolonged. System damage or personnel injury caused by wrong cable connection is not easy to occur, the safety coefficient in the system installation process is high, the battery pack types are uniform, the production process is simple, the production cost is low, and the production efficiency is high.

The invention relates to the technical field of photovoltaic energy storage equipment, and discloses hybrid integrated equipment of an inverter, a battery pack and a control system, which comprises a shell, a battery part mounted in the shell, a wall-type frame arranged at the top of the shell, an inverter main part mounted on the front side of the wall-type frame in a hanging manner, and a top plate mounted at the top of the shell and positioned at the top of the inverter main part, an opening is formed in the back of the casing and is sealed by a back plate; the bottom of the inverter main device is provided with a BOS part, and the BOS part is used for enhancing the safety of the BOS part. The battery, the BMS, the switch equipment, the inverter and the software control unit are integrated into an integrated seamless design, so that equipment installation and wiring are more convenient, photovoltaic power generation is sent to the battery for storage and standby through the equipment by adopting a cloud platform for unified management, or photovoltaic power generation and redundant power generation are sent to a power grid and are transmitted to places needing the photovoltaic power generation, multiple effects are achieved, and the system is suitable for large-scale popularization and application. The problem that centralized management is inconvenient due to independent work of the inverter is solved.

The utility model provides a switch unit, a rotary switch and a power supply system, and relates to the technical field of low-voltage apparatuses. The switch unit comprises a shell and two groups of static contact assemblies and moving contact assemblies which are arranged in the shell, each static contact assembly comprises a static contact, each moving contact assembly comprises a moving contact, each static contact comprises a contact part and a wiring part, the two contact parts are matched with the moving contact respectively, the contact parts extend along a straight line in a preset direction, and the wiring parts are matched with the wiring parts. The two contact parts are arranged oppositely in a preset direction, and the preset direction is perpendicular to the rotation axis of the moving contact assembly; the shell is provided with a first side surface and a second side surface which are opposite to each other, the first side surface and the second side surface are respectively provided with wiring ports, and the two wiring ports respectively correspond to the two wiring parts; and when the at least two shells are stacked, the wiring ports on the two adjacent layers of shells are oppositely arranged in the first direction. The switch unit is convenient for a customer to position and wire, and the production cost can be reduced.

The invention belongs to the technical field of infrared image transmission, and discloses a method for transmitting videos and protocols through a USB interface of an infrared system and the infrared system. The infrared system is based on an FPGA (Field Programmable Gate Array), and the method comprises the following steps of: controlling a USB (Universal Serial Bus) interface by utilizing a state machine through the FPGA, transmitting infrared image data from an FPGA end to an upper computer through the USB interface, and transmitting an instruction from the upper computer to the FPGA end through the USB interface. The USB interface is used for transmitting infrared images, wiring is simple, the anti-interference capacity is high, and the transmission distance is long; image preprocessing and USB protocol coding are realized by utilizing the FPGA, so that the real-time performance and stability of data transmission are improved; the method has good compatibility and expandability, and is suitable for various infrared systems; protocol and video transmission share a differential cable, and the system structure is further simplified.

The utility model relates to the field of photovoltaic wiring, in particular to a photovoltaic wiring device, which comprises a main body, the main body comprises a mounting box, the top of the mounting box is connected with a storage box, the top of the storage box is provided with a limiting assembly, and the inner side of the mounting box is connected with a limiting frame in a sliding manner; and the supporting assembly comprises a supporting frame, the supporting frame is fixedly connected to the inner side of the limiting frame, a supporting sleeve is fixedly connected to the inner bottom wall of the limiting frame, a telescopic rod is fixedly connected to the top of the supporting sleeve in a sliding mode, a containing frame is fixedly connected to the top of the telescopic rod, and a second spring is fixedly connected to the inner bottom wall of the supporting sleeve. The beneficial effects of the utility model are that the extrusion plate can be adaptively adjusted along with the cable through the first spring, then the telescopic rod can be driven to be adaptively adjusted through the elastic force of the second spring, and when different photovoltaic connecting lines are limited, the situation that the photovoltaic connecting lines cannot be effectively fixed is avoided; and the photovoltaic connecting line can be prevented from being damaged due to overlarge pressure.

The planetary column type joint module comprises a shell, a planetary reducer assembly, a motor assembly and an electrical cabin, the planetary reducer assembly, the motor assembly and the electrical cabin are arranged in the shell, a hollow shaft and an inner gear ring are arranged in the shell, and the planetary reducer assembly and the motor assembly are arranged in the shell in series. An output end magnetic ring and a motor end magnetic ring are arranged on the hollow shaft, the two magnetic rings are installed in an embedded mode, signals of the two magnetic rings can be detected through one code disc reading head, and the motion of the output end of the planetary reducer assembly is transmitted to an electric cabin of the joint through the hollow shaft. The signals of the motor end and the output end can be detected at the same time without additionally installing an output end encoder assembly, and the control precision of the joint output end is improved; the planetary reducer assembly adopts multi-stage speed reduction, the speed reduction ratio is large, the torque density of the joint is high, the rotational inertia is small, and the overall integration degree is high.