121results about How to "Realize power supply" patented technology

The invention provides a photovoltaic-based multi-load hybrid energy storage system. The photovoltaic-based multi-load hybrid energy storage system comprises a photovoltaic array, a capacitor C1, a capacitor C2, a capacitor C6, a first DC-DC converter, a second DC-DC converter, a third DC-DC converter, a fourth DC-DC converter, a DC bus, a supercapacitor bank, a storage battery pack, a first DC-AC converter, a second DC-AC converter, a filter LCL, a DC load and an AC load. The first DC-DC converter connected with the photovoltaic array is controlled by adopting an MPPT control method based on a conductance increment method, the second DC-DC converter and the third DC-DC converter which are connected with the super capacitor bank and the storage battery pack adopt a control method of voltage outer loop and current inner loop, and the first DC-AC converter connected with the power grid adopts three-phase current decoupling control. The control method of the fourth DC-DC converter connected with the direct-current load and the second DC-AC converter connected with the alternating-current load can be changed according to load requirements, the advantages can be reasonably exerted according to different application scenes, and the clean energy, namely light energy, can be better utilized.

This invention discloses an IO-Link slave device and an IO-Link system, relating to the field of communication technology. The key technical points are: the IO-Link slave device includes a first CLASS-B interface, a bidirectional power supply circuit, a control circuit, an IO module, and a signal output circuit; the first CLASS-B interface is connected to both the control circuit and the bidirectional power supply circuit; the control circuit is connected to the signal output circuit; and the IO module is connected to both the bidirectional power supply circuit and the signal output circuit. Specifically, if the first CLASS-B interface is connected to the CLASS-B interface of the IO-Link master device, the bidirectional power supply circuit is connected to the power supply terminal and the ground terminal of the first CLASS-B interface, so that the CLASS-B interface provides the power input for the actuator of the signal output circuit; if the first CLASS-B interface is connected to the CLASS-A interface of the IO-Link master device, the bidirectional power supply circuit is connected to the power supply terminal and the ground terminal of the IO module. This invention solves the problem that current IO-Link slave devices cannot be adapted to IO-Link master devices with CLASS-A interfaces.

The invention relates to the technical field of electric drive, and discloses a dual-motor controller, which comprises a box body; the number of the driving module assemblies is two; the thin film capacitor is arranged between the two driving module assemblies and electrically connected with the two driving module assemblies; the power distribution module is arranged in the box body and electrically connected with the thin-film capacitor, in the power taking state, the power distribution module outputs current provided by the vehicle battery for the thin-film capacitor to electric equipment, and in the charging state, the power distribution module transmits current of an external power supply to the vehicle battery through the thin-film capacitor; and the EMC filtering assembly is arranged in the box body and electrically connected with the thin-film capacitor, the EMC filtering assembly is provided with a power supply connecting end, and the power supply connecting end is suitable for being connected with a vehicle battery. The internal design of the dual-motor controller realizes the power taking and charging functions of a vehicle battery, the dual-motor controller has the characteristics of multiple functions and high integration, external parts and external high-voltage wiring harnesses are saved, the space and the cost are saved, and the requirements of integration and light weight of a new energy vehicle are met.

This invention discloses an intelligent oil production system for electric pump wells, a tubing string, and a method of use, relating to the field of downhole communication technology. The system includes a surface control cabinet, an AC carrier cable, a wireless transceiver connector (upper and lower), a DC carrier cable, and downhole intelligent equipment. The surface control cabinet supplies power to the downhole intelligent equipment via the AC carrier cable, the wireless transceiver connector (upper and lower), and the DC carrier cable. The surface control cabinet performs bidirectional AC carrier communication with the wireless transceiver connector (upper and lower) via the AC carrier cable. The wireless transceiver connector performs bidirectional DC carrier communication with the downhole intelligent equipment via the DC carrier cable. This invention reduces the number of cables, solving the problem of the difficulty of laying multiple cables on the external tubing string during construction, while also reducing tubing string costs and production costs.

The invention discloses a multi-standard power supply system and method for a locomotive test, and relates to the technical field of test power supplies, and the structural design of the system is as follows: an input power supply is a three-phase alternating current 10kV power supply; the high-voltage switch K realizes access control and isolation of the system and a public power grid, the connection reactor L realizes energy buffering and inhibits switch ripples in output current, and the soft charging circuit pre-charges the three-stage converter. The three-level converter converts three-phase alternating current 10kV into DC1500 / 750V and outputs the DC1500 / 750V to the direct-current bus, one path of the direct-current bus supplies power to a subway vehicle test line, and the other path of the direct-current bus is inverted into single-phase alternating current 25kV through the output inverter and supplies power to a railway locomotive test line. According to the invention, alternating current test conditions of railway electric traction locomotive vehicles and direct current test conditions of subway vehicles can be satisfied, reliability and quality of power supply are ensured, repeated construction is reduced, and resource waste is avoided.

The invention relates to the technical field of adapter plates, and discloses an active optical chip adapter plate and a preparation method thereof. The preparation method of the active optical chip adapter plate comprises the following steps: providing an active optical chip with a connection point and an exposed optical port, and forming a protection layer covering the optical port and the connection point on the active optical chip; forming a through-silicon-via structure penetrating through the protective layer and extending to the active optical chip, wherein the through-silicon-via structure comprises conductive metal and is staggered with the optical port and the connection point; removing the protection layer on the connection point to expose the connection point, and forming a first wiring layer electrically communicating the conductive metal and the connection point on the protection layer; and removing the first wiring layer and the protective layer on the optical port to expose the optical port. According to the invention, before the active optical chip is subjected to the silicon through hole process, the protective layer is formed on the surface of the active optical chip, so that pollution to an optical port by a subsequent process and damage to a connection point by a wet process liquid medicine are reduced, and the performance of the optical chip active adapter plate is ensured.

The invention relates to the technical field of communication base stations, and discloses an intelligent heat dissipation and energy-saving regulation and control integrated communication base station which solves the problem that an existing communication base station is poor in heat dissipation performance. The concrete pouring embedded body is filled with soil, a communication control box, a protection box and a supporting rod are fixedly arranged at the top end of the concrete pouring embedded body, a plurality of communication antennas are arranged at the top end of the side edge of the supporting rod, a solar panel is arranged at the top end of the protection box, and a liquid cooling mechanism is arranged in the communication control box in a penetrating mode. A plurality of communication control electrical assemblies are arranged at the top end of the liquid cooling mechanism, copper heat conduction armors are arranged on the outer surfaces of the communication control electrical assemblies, and an automatic heat dissipation mechanism is arranged in the communication control box in a penetrating mode. Through the communication base station, the overall heat dissipation effect can be improved, and the service life is further prolonged.

The utility model discloses a data transmission device of acquisition equipment and an acquisition system, and relates to the technical field of image communication. The data transmission device comprises a first transmission line, a second transmission line and a shell, and further comprises an acquisition equipment connecting port, an image conversion module arranged in the shell, a terminal equipment connecting port, a charging connecting port arranged in the shell and a charging module arranged in the shell. The acquisition equipment connection port is used for connecting acquisition equipment so as to acquire first image data acquired by the acquisition equipment; the image conversion module is connected to the first transmission line and the second transmission line and is used for converting the first image data into second image data; the terminal equipment connection port is used for connecting a second transmission line so as to send the second image data to the terminal equipment; the charging connection port is used for connecting an external power supply; and the charging module is used for connecting the charging connection port and the terminal equipment connection port, so that the external power supply supplies power to the terminal equipment.

The invention belongs to the technical field of massage devices, and particularly relates to a portable massage device which is characterized in that a protective cloth is fixed on the inner side of a shell, a massage block in contact with the inner surface of the protective cloth is arranged in the shell, a motor bottom plate is rotatably mounted on an inner plate through a main rotating shaft and a main shaft bearing, and a circular motion mechanism for rotating is mounted on the motor bottom plate; an axial movement mechanism is installed on the circular movement mechanism, the massage block is installed on the axial movement mechanism, and a vibration motor used for vibration is fixed to the motor bottom plate. The circular motion mechanism achieves the purpose of circular motion of the massage block, the axial motion mechanism achieves axial motion of the massage block, the massage block extrudes the inner side surface of the protective cloth to achieve the massage destination of a user, meanwhile, the protective cloth makes contact with the skin of the user, and therefore direct contact between traditional massage equipment and the abdomen is avoided, and the massage efficiency is improved. The phenomenon that the skin is pulled is avoided, and harm to the human body is prevented.

The utility model discloses a kind of outer plating film type quartz heating tube silk screen electrode and conductive structure, comprising: first electrode part, second electrode part and connecting electrode;The side of first electrode part is connected on the heating film plated on the surface of quartz heating tube, second electrode part is located on the side of first electrode part away from heating film, second electrode part is used to cooperate and connect with electrode fixed sheet, and electrode fixed sheet is embraced on second electrode part.Different from the silk screen electrode structure of the ring of the past, the utility model has certain gap between second electrode part and first electrode part, so that electrode fixed sheet is far away from heating film, while guaranteeing the heating function of heating tube basis, electrode fixed sheet is far away from heating film, when heating tube is in long time or high power work, electrode fixed sheet will not be deformed because of overheating, and the situation of burning out heating film is avoided, so that the working life of heating tube is longer, and frequent maintenance is avoided.

The present invention discloses a solar coupling system for recovering waste heat of waste water and waste gas, comprising a solar photovoltaic system, a waste heat recovery unit and an air source heat pump unit, wherein the solar photovoltaic system comprises a water storage unit and an electricity storage unit; the waste heat recovery unit comprises a waste water recovery unit, a first waste gas conversion unit, a waste gas recovery unit and a second waste gas conversion unit; wherein: the water storage unit sends hot water to the waste water recovery unit through a hot water supply tank; the waste water recovery unit sends treated water to the hot water supply tank by using the waste heat of waste water through the first waste gas conversion unit; the waste gas recovery unit sends the treated water that has been energy exchanged by using the waste heat of waste gas to a water reservoir through the second waste gas conversion unit and the first waste gas conversion unit in turn; the air source heat pump unit is connected to the hot water supply tank through a valve in turn; the present invention realizes a system that couples energy supply with waste gas, waste water waste heat recovery unit, solar photovoltaic system and air source heat pump unit, makes full use of recyclable and reusable energy and renewable energy, and greatly improves energy utilization efficiency.

The utility model provides a power equipment communication system, which comprises a coordinator, first power equipment and second power equipment, wherein the first power equipment and the second power equipment are connected in parallel to the output end of the coordinator; the coordinator comprises a zero signal detection circuit, a processor, a power supply output circuit and a communication signal input circuit; the zero signal detection circuit, the power supply output circuit and the communication signal input circuit are respectively connected with the processor. By adopting the scheme, two-way communication of the power equipment can be realized, the communication cost is reduced, and the communication robustness is improved.

This invention belongs to the field of sensor technology, specifically relating to an eddy current sensor system, including a signal conditioning circuit, a coaxial cable, and a probe-end circuit. The signal conditioning circuit includes a power amplification module for superimposing a DC bias voltage with an AC excitation signal to generate a mixed signal, which is then transmitted to the probe-end circuit via the coaxial cable. The probe-end circuit includes a series capacitor, a filter circuit, and a follower. The series capacitor couples an AC excitation signal from the mixed signal to drive the probe coil. The filter circuit extracts a DC bias voltage from the mixed signal to power the follower. The follower receives the impedance change signal of the probe coil and transmits it back to the signal conditioning circuit via the coaxial cable. This invention eliminates the influence of the distributed parameters of the coaxial cable on the probe characteristics. The length of the coaxial cable can be arbitrarily extended or shortened without re-matching and calibration. It also eliminates the output drift problem caused by bending of the coaxial cable and simplifies the system wiring complexity.

The invention discloses an audio interface circuit and electronic equipment, and the audio interface circuit comprises an interface module, a first impedance matching module, a first isolation module, a digital signal decoding module and a plurality of power supply modules. The interface module is used for being connected with audio equipment. The first isolation module is used for unidirectionally transmitting a digital signal received by the first end of the first isolation module to the digital signal decoding module; the first isolation module is used for controlling one power supply voltage to be transmitted to the interface module through the first impedance matching module, and the first impedance matching module is used for adjusting the impedance of the first impedance matching module according to the power supply voltage. Multiple power supply voltages can be provided through the multiple power supply modules, the corresponding power supply voltage can be selected according to the power supply requirement of the audio equipment, the corresponding impedance can be configured through the first impedance matching module according to the power supply voltage, and therefore microphones of multiple models can be driven. The isolation between the digital signal and the analog signal can be realized through the first isolation module, so that the microphone can be compatible with microphones of various models.

The embodiment of the utility model relates to a video monitoring system powered by a vehicle-mounted storage battery, a power supply is stabilized at 12V through a voltage stabilizing module, then the voltage stabilizing module is controlled through a relay, and the relay is used for controlling the connection and disconnection of the relay by taking electricity from a vehicle fuse box, so that the power supply of a camera and a router is realized. And after the vehicle is unlocked or started, the camera supplies power to start video picture recording, the video pictures are uploaded to a cloud end or a third-party platform, and after the vehicle is shut down and locked, the power supply is cut off, and the video monitoring system is closed.

The utility model relates to a kind of charging box, charging box assembly and unmanned aerial vehicle system, including box, first electric connector, second electric connector and third electric connector are provided on the box;The first electric connector is used to be electrically connected to commercial power;The second electric connector is used to be electrically connected battery, the second electric connector is electrically connected to the first electric connector, to allow the commercial power to charge the battery through the box;The third electric connector is used to be electrically connected load, the third electric connector is electrically connected to the second electric connector, to allow the battery to power the load through the box, the first electric connector is electrically connected to the third electric connector, to allow the commercial power to power the load through the box.

An optical storage and charging stacking system comprises an optical storage and charging all-in-one machine, a control module, a battery module, a base module and a mounting and fixing module. The light storage and charging all-in-one machine, the control module, the battery module and the base module are sequentially stacked from top to bottom, and the light storage and charging all-in-one machine, the control module and the battery module are fixed to a wall through the mounting and fixing module. According to the optical storage and charging stacking system provided by the utility model, the optical storage and charging all-in-one machine, the control module, the battery module and the base module are sequentially stacked from top to bottom, so that the balance of the whole system is kept while the power supply of the battery module and the control of the control module on the optical storage and charging all-in-one machine are realized; and the light storage and charging all-in-one machine, the control module and the battery module are fixed on the wall body through the mounting and fixing module, so that the structure is compact, and the occupied area is small.

The invention discloses an energy storage and power supply method for a data center, which does not comprise a UPS (Uninterrupted Power Supply) and comprises a transformer, an energy storage inverter, an energy storage battery, a distributed green energy source and an IT (Information Technology) load, wherein the input end of the transformer is connected with a high-voltage alternating-current power distribution network, the output end of the transformer is connected with the energy storage inverter, and the output end of the energy storage inverter is connected with a low-voltage direct-current micro-grid bus; the energy storage battery, the distributed green energy and the IT load are respectively connected with the low-voltage direct-current micro-grid bus through independent DC / DC converters; the output voltage of the high-voltage alternating-current power distribution network is transmitted to the low-voltage direct-current micro-grid bus after passing through the transformer and the energy storage inverter; the distributed green energy transmits voltage to the low-voltage direct-current micro-grid bus; and when the energy storage battery or the IT load has a charging demand, the low-voltage direct-current micro-grid bus supplies power to the energy storage battery or the IT load. According to the energy storage and power supply method, efficient, reliable, distributed green energy consumption and 0ms seamless switching power supply can be achieved.

The utility model relates to the technical field of disinfection devices, and discloses a disinfection device for a chicken coop, which solves the problem that the disinfection efficiency is influenced due to the fact that the existing disinfection device is inconvenient to adjust the spray disinfection area, and comprises a liquid storage tank, a liquid pump is arranged at the top end of the liquid storage tank, and a flow divider is arranged on a liquid outlet of the liquid pump. A hydraulic telescopic rod is arranged at one end of the liquid storage tank, a combined type liquid spraying disinfection mechanism is arranged at the top end of the hydraulic telescopic rod, is connected with the flow divider through a hose and is composed of an L-shaped supporting arm, a main liquid spraying disinfection assembly, a first side liquid spraying disinfection assembly and a second side liquid spraying disinfection assembly; the L-shaped supporting arm is connected to the top end of the hydraulic telescopic rod, the main liquid spraying disinfection assembly is connected to one end of the L-shaped supporting arm, and the first side liquid spraying disinfection assembly and the second side liquid spraying disinfection assembly are connected to the two sides of the main liquid spraying disinfection assembly. By means of the disinfection device, the spraying disinfection area can be flexibly adjusted, and the disinfection efficiency is improved.

The utility model discloses a connecting structure based on a fixed power supply to a helmet or a hat, which relates to the field of helmets and hats, and comprises a head-mounted device and a mounting seat, the mounting seat is fixedly mounted on the outer side surface of the head-mounted device, the power supply is detachably mounted on the mounting seat, and the power supply supplies power to the head-mounted device; the shape of the power supply is not limited; compared with the prior art, the head-mounted equipment has the beneficial effects that the mounting seat is fixed on the outer side of the head-mounted equipment, the power supply can be put into the mounting seat to supply power to the head-mounted equipment, continuous endurance can be realized by quickly replacing the power supply when the power is used up, the power supply can be independently taken down for charging, and the power supply is convenient to use. The technical problem that the charger cannot be used in the charging process is solved.

The utility model discloses a power unit detection device. A power unit amplification device comprises a voltage regulation rectification module, a main control module and a processing module. The voltage regulating and rectifying module is electrically connected with a direct-current bus of the power unit and is used for inputting rated direct-current bus voltage to the power unit; the main control module is in communication connection with the control end of the power unit and is used for inputting a trigger signal to the power unit so as to control the working state of a transistor in the power unit; the processing module is electrically connected with the output end of the power unit, and is used for obtaining the actual waveform signal output by the power unit, and determining whether the power unit breaks down or not according to the actual waveform signal and a preset waveform signal. By adopting the technical means, the actual waveform signal output by the power unit is obtained through the processing module, whether the power unit breaks down or not can be determined by analyzing the deviation between the actual waveform signal and the preset waveform signal, then detection of the power unit is achieved, and the reliability is high.

The utility model discloses a display screen system and a sound box base thereof, the sound box base comprises a sound box and a support, the sound box comprises a box body, a power supply module and a USB plug, the surface of the box body is provided with an accommodating groove for supporting the bottom and the back of a display screen, the power supply module is arranged in the box body, the power supply module is connected with the USB plug, and the USB plug is connected with the support. The box body is provided with a containing groove, the USB plug protrudes out of the bottom of the containing groove and is used for being connected with a USB socket of a display screen, the box body is arranged on the support, and the support is provided with a front backup plate located in front of the containing groove and used for supporting the front portion of the display screen. The support can support the loudspeaker box and the display screen, the display screen is placed on the containing groove, the display screen is combined with the loudspeaker box, voice explanation of commodity introduction and promotion information can be played, and user experience is enhanced. Through the USB plug of the sound box body, a user can directly connect the display screen with the sound box, thereby realizing power supply and / or data transmission, and prolonging the service life of the display screen.

The application discloses an independent power supply unit, an implant, a brain nerve regulator and a working method thereof. The independent power supply unit comprises a battery, a first coil and a sealing layer. Two ends of the first coil are connected with positive and negative poles of the battery respectively. The sealing layer wraps the first coil and the battery to form an independent sealing body. The implant comprises a shell and an in-vivo machine and an independent power supply unit in the shell. The independent power supply unit is detachably installed in the shell and is wirelessly coupled with a second coil of the in-vivo machine through the first coil. The brain nerve regulator comprises an in-vivo machine and an implant. An in-vivo processor of the in-vivo machine is wirelessly coupled with the first coil and / or the second coil through a third coil. The application combines wireless power supply and battery power supply and adopts a structure of easily replaceable battery, so that the service life of the implant is greatly prolonged. When the battery life is used up, the independent power supply unit can be taken out through a small operation, so that the operation risk is greatly reduced.

The utility model provides an electrical coupler of a lamp flexible conductive woven belt, which comprises a wire pressing plate upper seat and a wire pressing plate lower seat, the wire pressing plate lower seat is provided with a wire breaking ejector pin block and an elastic stab-proof cover elastic piece, the elastic stab-proof cover elastic piece is provided with an opening matched with the wire breaking ejector pin block, the wire pressing plate upper seat is provided with an installation opening, and the wire breaking ejector pin block is provided with a wire breaking ejector pin. The top of the elastic stab-proof cover elastic piece abuts against the installation opening, the bottom of the elastic stab-proof cover elastic piece abuts against the wire pressing plate lower base, a wire pressing plate is rotationally connected to the wire pressing plate base and comprises a pressing plate and a locking plate, and a channel allowing the flexible conductive woven belt to be placed in is formed by the locking plate and the inner wall of the wire pressing plate base. The pressing plate is connected with a locking block, and the wire pressing plate base is provided with a clamping port matched with the locking block; through full contact in a puncturing mode, the wire breaking ejector pin block is connected with a circuit of the lamp, power supply of the lamp is achieved, and operation is easy and convenient.

The application discloses a semiconductor process equipment, the disclosed semiconductor process equipment includes a process cavity, a susceptor, an atmospheric cavity and at least one cantilever, the susceptor and the atmospheric cavity are both arranged in the process cavity, the atmospheric cavity is stacked below the susceptor, the atmospheric cavity is provided with a first opening and a second opening which are communicated with the interior of the atmospheric cavity, the first opening is connected with the susceptor, at least one of the cantilevers is provided with an atmospheric passage, a first port of the atmospheric passage is communicated with the second opening, a sidewall of the process cavity is provided with a mounting port, a second port of the atmospheric passage extends out of the process cavity from the mounting port, the cantilever provided with the atmospheric passage is sealingly connected with an inner wall surrounding the mounting port; the cantilever has a cantilever top portion, a side of the cantilever top portion facing a bearing surface has a reflecting surface, a normal line of the reflecting surface intersects with a central axis of the bearing surface or is in different planes. The above scheme can solve the problem of poor uniformity of gas distribution above a wafer in the process cavity in the related art.

The utility model provides a heating power supply system and an equipment cavity with a heating function. The heating power supply system is used for supplying power to a plurality of heating units in an equipment cavity and comprises a support, a current input component, a plurality of insulating sleeves and a conducting rod, the insulating sleeves are arranged in the support side by side and nested with one another, a power supply interface is arranged in the conducting rod, and the insulating sleeves wrap the part, except the power supply interface, of the conducting rod. The power supply interface comprises a crimping female head arranged in the conducting rod, the crimping female head comprises a closed end and a telescopic opening end, the closed end is in interference fit with a corresponding opening in the conducting rod, and the heating unit is electrically connected with a crimping male head through a connecting wire. And the power supply of the heating unit is realized through the combination of the crimping male head and the crimping female head. According to the utility model, the power supply requirements of large current and larger heat for heating of the equipment cavity can be met, and the requirements of the equipment cavity for improving the silicon wafer accommodating capacity, the unit productivity and the cost competitiveness can be met.

The utility model relates to the technical field of power supplies, in particular to a power supply device and electric equipment, and the power supply device comprises an input interface assembly and an output interface assembly. The booster circuit is used for boosting the input voltage received from the input interface component and outputting a first output voltage and a first output current through the output interface component; the step-down circuit is used for carrying out step-down on the input voltage and outputting second output voltage and second output current through the output interface assembly; the voltage reduction circuit is also used for reducing the input voltage; and the safety barrier circuit is used for carrying out amplitude limiting on the third output voltage and the third output current, and outputting the third output voltage and the third output current after amplitude limiting through the output interface assembly. According to the embodiment of the utility model, power supply for explosion-proof equipment or power supply for non-explosion-proof equipment can be realized, output of various voltages can be realized through the boost circuit and the step-down circuit, and the flexibility of the power supply device is improved.

The utility model provides a control circuit with a monitoring function and a rail transit turnout. The control circuit is characterized in that a three-phase motor coil group is connected with a three-phase power supply or a single-phase power supply through a starting relay; the single-phase power supply is connected with the starting relay, the starting relay is connected with the three-phase motor coil group through the starting relay and the automatic opening and closing device group, and the starting relay is connected with the three-phase motor coil group through the starting relay and the automatic opening and closing device group; the starting relay is connected with the three-phase motor coil group through the automatic shutter group and the second lamp bead, and the starting relay is connected with the three-phase power supply or the starting relay through the starting repeating relay; the starting relay is connected with the starting relay or the three-phase power supply through the starting repeating relay, and the starting relay is connected with the three-phase motor coil unit through the automatic opening and closing device set and the first lamp bead. The turnout monitoring device solves the problem that turnout monitoring is inconvenient in the prior art.

The utility model provides a high-voltage system for double high-voltage platforms of an electric heavy truck, which relates to the technical field of new energy electric automobiles and comprises a power battery, a battery distribution box, a first high-voltage platform, a second high-voltage platform and a high-voltage direct-current converter. The battery distribution box is connected with the first high-voltage platform and the high-voltage direct-current converter, and the high-voltage direct-current converter is connected with the second high-voltage platform. According to the utility model, the reliability of the high-voltage system is improved, the compatibility of the voltage range of the system is improved, and the system is effectively suitable for a higher-voltage platform and adapts to more charging pile resources.

The present invention relates to the technical field of backlight modules, and in particular to a regional dimming backlight module. The present invention comprises a bottom plate, a groove is provided on the bottom plate, and a plurality of light source assemblies are arranged in the groove; first slide grooves are provided on the inner walls of both sides of the groove, a sliding shaft is installed on the inner wall of the first slide groove, and a plurality of sliders are slidably connected to the sliding shaft; the light source assembly comprises an adjustment column, and the two ends of the adjustment column are respectively fixedly connected to two sliders; a plurality of moving blocks are slidably connected to the adjustment column, and a plurality of light-emitting mechanisms are arranged on the moving blocks; by pushing the moving blocks at both ends, the plurality of moving blocks drive the light-emitting mechanisms to move synchronously with equal gaps, so as to adjust the positions of the plurality of light-emitting mechanisms, and then cooperate with the slider to drive the adjustment column to move, so as to adjust the positions of the light-emitting mechanisms in both the horizontal and vertical directions, and adjust the positions of the light-emitting areas.