548 results about "Distribution board" patented technology

The invention discloses a power supply system, a server, a fault detection method, equipment and a storage medium, and relates to the technical field of servers, a first electronic switch and a fault processing circuit are arranged on a mainboard, and the reliability and complete fault record of the system can be ensured under the condition that a standby power supply fails. Specifically, when a first standby power supply provided by the power supply distribution board through the first electronic switch is abnormal, the first electronic switch is turned off, and the fault processing circuit can continue to work after the standby power supply breaks down, so that accurate and complete recording of fault information is realized, and data support is provided for subsequent fault reason analysis; therefore, the to-be-tested power supply can be effectively monitored.

The invention discloses power distribution cabinet assembly equipment and an assembly process thereof, and relates to the technical field of power distribution cabinet assembly.The assembly process comprises the following steps that S1, a foundation is stabilized, specifically, the equipment is integrally moved to a proper position through universal wheels, the equipment is integrally stood on the ground through stabilizing pieces, and stability is ensured; according to the power distribution cabinet assembly equipment and the assembly technology thereof, the posture of the assembly equipment is adjusted through an adjusting piece, self-definition can be achieved according to the personal condition of a worker, S3, stable installation is achieved, a tightening piece is connected to the upper face of a power distribution board installation top frame, and in S2, the overall posture of the power distribution cabinet assembly equipment is adjusted by arranging a conversion unit. According to the power distribution cabinet assembling equipment, the height suitable for an installation worker can be adjusted according to the height of the installation worker, the purpose that each worker can adjust the height of the pitching angle and the overall height of the equipment according to the needs of the worker is achieved, and therefore the working efficiency can be improved when the power distribution cabinet assembling equipment is used for actually assembling a power distribution box.

A test switch assembly for testing electrical switchboard devices is provided. The test switch assembly includes a test switch including a handle, the handle having a first color. The handle includes a label holder including a front, the label holder defining a label slot in the front, the label slot sized to receive a label. The handle further includes a handle body extending from the label holder and defining a tie bar aperture sized to receive a tie bar configured to connect the test switch with one or more other test switches in the test switch assembly. The test switch assembly further includes an indicator coupled with the handle body of the test switch, the indicator having a second color different from the first color, the indicator exposing the tie bar aperture.

An electric power supply system includes: a first electric power supply part that utilizes a commercial electric power supply source; a second electric power supply part that utilizes a vehicle battery or other supply source; a third electric power supply part that utilizes a fuel cell; a fourth electric power supply part that utilizes photovoltaic electric power generation; a first electric power supply line for supplying electric power to an important appliance group; a second electric power supply line for supplying electric power to a general appliance group; and a distribution board. The distribution board includes: a first switch to switch over the first electric power supply part and the second electric power supply part at an input; a second switch to switch over the third electric power supply part and an output of the first switch at an input, the second switch having an output connected to the first electric power supply line; and a third switch to switch over the fourth electric power supply part and the output of the first switch at an input, the third switch having an output connected to the second electric power supply line.

A system includes: a power outage detector that detects a power outage, based on a voltage supplied by a commercial power supply; a charging device that is connected to the commercial power supply via the power outage detector and charges an electric vehicle; a residential distribution panel that is connected to the commercial power supply via the power outage detector and distributes power to a plurality of loads provided in a house; and a switch provided between the charging device and the residential distribution panel. When the power outage is detected, the switch is closed, and an AC voltage supplied from the electric vehicle is supplied to the residential distribution panel.

The invention discloses a multifunctional protection device for a ship main distribution board, relates to the technical field of main distribution board protection, and solves the technical problem that if violent jolting occurs in the ship running process, other devices fall off to impact parts on the main distribution board, and moisture damage is caused. Comprising a backboard, the front surface of which is provided with a main distribution board member; a protection structure for protecting the main distribution board is mounted on the front surface of the back plate and comprises an arc-shaped protection piece located in front of the back plate and a buffer component for buffering the arc-shaped protection piece; a safety protection area can be formed in front of the main power distribution board, even if devices fall off due to bumping and shaking of a ship, the devices cannot directly act on surface parts of the main power distribution board, stable protection is achieved on the main power distribution board, multi-stage protection measures can be formed in the safety protection area in front of the main power distribution board along with the larger impact, and the safety protection effect is improved. And the use safety and stability of the main distribution board are improved.

The invention provides a ship direct current distribution board fuse setting method considering on-off arcing. Establishing a fuse breaking arcing model: describing a fuse arcing process based on a Cassie arc model, fitting test data through a genetic algorithm to establish a model parameter change rule, and establishing a relationship between a test loop resistance value and an arc voltage constant and an arc time constant through a BP neural network; the method comprises the following steps: calculating equivalent short-circuit impedance of a fault branch, and calculating a test loop impedance parameter which can be equivalent to a system short-circuit fault current waveform according to a short-circuit current peak proportional relation of a system and a test loop; and executing constraint driving type fuse setting: taking the condition that the rated current of the fuse is not less than the product of a safety margin coefficient and the maximum continuous working current of the branch and the total Joule integral value of the non-fault branch does not exceed 50% of the pre-arc Joule integral value as constraint conditions, and adopting a minimum pre-arc Joule integral value priority strategy, iteratively selecting the model from the minimum-scale branch group and expanding to a whole-system branch.

We provide a mechanism for fixing fluorine-containing fire extinguishing ropes inside a fire-fighting box for switchboards. [Solution] The device includes a fixing assembly (100) including a base (101), a slideway (102) located on the surface of the base, a fastener (103) located inside the slideway, and a fire extinguishing rope located inside the fastener; and a control assembly (200) including a distance adjustment member located outside the fastener, a lifting member provided outside the distance adjustment member, and a support spring provided between the distance adjustment member and the lifting member.

This system monitors and controls power receiving and transforming equipment installed on the electrical pathways from the power supplier to multiple loads. It prevents electrical accidents that could lead to fires by monitoring and controlling the step-down and distribution transformers installed in the power receiving and transforming equipment, i.e., the high-voltage transformers, and electrical equipment such as distribution boards and panelboards installed on the electrical pathways after the voltage has been stepped down by the high-voltage transformers in the power receiving and transforming equipment. The system constantly monitors the temperature of the high-voltage transformers and the instantaneous current flowing through the electrical pathways of electrical equipment such as distribution boards and panelboards installed on the electrical pathways after the voltage has been stepped down by the high-voltage transformers, and cuts off the power supply to the loads if the temperature of the high-voltage transformer exceeds a predetermined value, or if the instantaneous current flowing through the electrical pathways of the electrical equipment exceeds a predetermined value.

The utility model discloses a compact autonomous exploration unmanned aerial vehicle, which relates to the technical field of unmanned aerial vehicles and comprises a rectangular plate, a flight driving mechanism mounted below the rectangular plate and a shell on the upper surface of the flight driving mechanism, a battery is detachably connected in the shell, and an information processor is integrated on the top of the shell. An inclined plate connected with the rectangular plate is fixed to one side of the machine shell, and a radar and a camera are installed on the inclined plate. The flight control electronic speed controller plate is fixed to the bottom wall of the rectangular plate and located in the middle vacancy of the four flight driving mechanisms, and the flight control electronic speed controller plate is electrically connected with the working end of each flight driving mechanism; the upper portion of the power source distribution plate is fixed in the machine shell and located between the battery and the radar, the power source distribution plate downwards penetrates through the rectangular plate, and the power source distribution plate is electrically connected with the battery and distributes electric power for the information processor, the radar, the camera and the flight control electric adjusting plate. And stable flight can be ensured.

The invention relates to the technical field of power supply, and discloses a humanoid robot modular distributed power supply system which comprises a power supply battery pack, a power management distribution board and a plurality of power utilization modules. The power utilization module at least comprises a control computing power unit, a sensing system, an upper limb joint module, a lower limb joint module and other joint modules; the power management distribution board is electrically connected with the power supply battery pack and each power utilization module. The power management distribution board comprises an MCU control unit, a DCDC power supply unit, a soft start unit, a high-power output unit and a voltage and current detection unit. Through a modular distributed power-on strategy and in combination with soft start pre-charging, voltage and current real-time detection and a regenerative braking absorption unit, voltage and current peaks generated at the moment of power-on of the capacitive high-power load are remarkably suppressed, the risk that a power device is damaged due to overvoltage and overcurrent impact is fundamentally avoided, and the reliability of the power device is improved. And the system reliability and the service life are greatly improved.

The invention provides an energy recovery system, a control method thereof and electronic equipment, and belongs to the technical field of energy recovery. The energy recovery system is applied to an offshore wind power installation vessel and comprises a main distribution board direct current bus, a voltage detection module, a lifting system, a battery energy storage system, a brake unit and a control system. Wherein the control system can control charging of the battery energy storage system and / or control starting and stopping of the braking unit according to the direct-current bus voltage, collected by the voltage detection module, of the main distribution board and the battery charge state of the battery energy storage system. In other words, the control system can recover and consume energy generated in the operation process of the lifting system by controlling the battery energy storage system and / or the brake unit, the situation that the voltage of a direct-current bus of a main distribution board is increased due to regenerated energy, and consequently electric equipment is damaged is avoided, and the stability and safety of the lifting system are improved.

The embodiment of the invention discloses an insulation resistance detection circuit, a detection method, a high-voltage distribution board and an insulation resistance detection circuit, the insulation resistance detection circuit is arranged on the high-voltage distribution board, and the insulation resistance detection circuit comprises a first detection circuit and a second detection circuit; one end of the first detection circuit is connected with the positive electrode of the bus power supply, and the controlled end of the first detection circuit is connected with the control circuit; one end of the second detection circuit is connected with the other end of the first detection circuit, the other end of the second detection circuit is connected with the negative electrode of the bus power supply, the controlled end of the second detection circuit is connected with the control circuit, and the first detection circuit and the second detection circuit are both connected with a preset grounding end. According to the invention, the insulation resistance detection circuit can be integrated on the high-voltage distribution board, so that the cost is reduced, and the insulation resistance detection precision can be improved.

A system capable of charging connection to both a conventional charging port and an automatic connection device (ACD) can include a vehicle having an on-board charger connected to a plurality of charging ports, and an external charger electrically, communicatively connected to the vehicle and providing at least one of first charging power converted by transmitting supply power from a distribution board to the on-board charger and second charging power converted through a built-in power converter so that single charging or combined charging can be performed by changing a plurality of charging lines.

A modular data center including an intermodal shipping container, one or more racks within an interior of the shipping container configured to hold a plurality of computing, a plurality of fans configured to draw in cool air to the computing units and exhaust hot air generated by the computing units, and a switchboard integrated within the frame at one end of the shipping container. The switchboard includes a circuit breaker to receive electrical power and distribute electrical power to the plurality computing units and fans, and is configured in a bottom-feed orientation in which a cable from an external power source that supplies electrical power to the switchboard is received to be connected from a bottom of the switchboard. The shipping container includes an opening within the bottom of the frame configured through which the cables from the external power source are received to enter the shipping container and connect to the switchboard.

The utility model particularly relates to a bubble cap machine. The bubble cap machine comprises an upper cover, a shell and a base which are fixedly connected in sequence, wherein a lower die drawing mechanism is arranged on the base; a driving mechanism is arranged at the bottom of the upper cover; a heating plate is arranged at the bottom of the driving mechanism; an upper mold is attached to the bottom of the heating plate; the upper die is made of a heat conduction material; a conveying hole is formed in the bottom of the heating plate; a receiving hole is formed in the top of the upper mold, and a plurality of blowing holes are formed in the bottom of the upper mold; the conveying hole is communicated with the receiving hole through a pipe; the heating plate is connected with a vacuum generator through an air pipe; the vacuum generator and the heating plate are electrically connected with a control module; a power distribution board is fixedly connected to one side, far away from the lower mold drawing mechanism, of the base; the vacuum generator is fixedly connected to the outer side face of the distribution board. According to the bubble cap machine, the die and the heating plate are designed separately, so that a connecting wire does not need to be plugged when the die is replaced quickly.

Electrical protection device, distribution assembly, and associated electrical switchgear. This electrical protection device (300), configured to electrically connect an electrical load (M) to an electrical power source (S), includes incoming terminals (302), outgoing terminals (304), and switching means (310) actuated by a bistable actuator (324). A microcontroller (320) is provided to generate a fault signal (S320), which triggers the actuator, and an output signal (S321), which is different from the fault signal. The protection device includes a supervisory circuit (500), which is interposed between the microcontroller (320) and the actuator (324) and which includes an oscillator (510) configured to generate a periodic signal (S510).The monitoring circuit is configured to generate a trigger signal (S324) when, alternatively, the output signal (S321) of the microcontroller (320) is absent, or the periodic signal (S510) of the oscillator (510) is absent, or when a fault signal (S320) is emitted. See Figure 6 for abbreviations.

The utility model belongs to the field of separation devices, and particularly relates to a high-voltage electrostatic separation device which comprises a box body, a supporting rod is fixedly connected to the bottom of the box body, an anti-skid pad is fixedly connected to the bottom of the supporting rod, the anti-skid pad is made of rubber, a feeding port is fixedly connected to the top of the box body, and a discharging port is fixedly connected to the bottom of the box body. And a plurality of guide grooves are fixedly connected to the interior of the box body. According to the material distributing device, through the design of the material distributing plates, the material distributing plates can separate the storage space of the materials in the barrel body, the rotating shaft and the material distributing plates can be driven to rotate under the action of the rotating motor, and when the two material distributing plates with the materials are overturned to the lower portion of the barrel body, the materials are separated from the material distributing plates. And internal materials can be automatically input into the feeding port through the discharging port so that the materials in the device can be added, the discharging speed can be controlled by controlling work of the rotating motor, and the situation that the separation effect is affected due to the fact that the amount of the materials added at a time is too large can be avoided.

The utility model discloses an electrical installation plate convenient for installation of electrical components, which comprises an installation plate body, a heat dissipation mechanism arranged on the installation plate body, an installation mechanism arranged on one side of the installation plate body, the installation mechanism symmetrically arranged on the installation plate body on two opposite sides of the heat dissipation mechanism, and connection plates arranged at two opposite ends of the bottom of the installation plate body. The number of the connecting plates is two, a wire arrangement plate is arranged between the two connecting plates, wire arrangement holes are formed in the wire arrangement plate, a fixing mechanism is arranged on the wire arrangement plate on one side of the wire arrangement holes, an electrical component body is arranged on one side of the mounting plate body, a wire body is arranged at the bottom of the electrical component body, and the wire body penetrates through the wire arrangement plate through the wire arrangement holes and is fixed through the fixing mechanism. According to the utility model, a series of structures are arranged, the clamping support is convenient to mount and dismount, the mounting is firm, the mounting plate has heat conduction and heat dissipation functions on the mounting surfaces of the electrical components, the electrical components mounted on the mounting plate are neat in wire arrangement, the wire bodies are firmly fixed, and the wires are prevented from falling off.

The utility model relates to auxiliary tool technical field especially distribution board assembly auxiliary tool, this distribution board assembly auxiliary tool includes leaning on the platform, clamping mechanism, translation drive mechanism and rotary drive mechanism, leaning on the platform includes the support leaning on the frame and the adapter frame, the support leaning on the frame has the support end surface and leans on the end surface, the support end surface is used for supporting the tray body, can provide the inclined leaning support for the tray body to lean on the end surface, clamping mechanism installs on the support leaning on the frame, clamping mechanism is configured as with the support leaning on the frame and is fixed with the tray body, translation drive mechanism installs on the adapter frame, the output of translation drive mechanism is linked with the support leaning on the frame, and translation drive mechanism can drive the support leaning on the frame and move along the plane that leans on the end surface relative to the adapter frame, the output of rotary drive mechanism is linked with the adapter frame, and rotary drive mechanism can drive the adapter frame and rotate around the horizontal axis, with comfortable working posture, the staff completes the assembly of distribution board.

The invention, which belongs to the technical field of equipment testing, provides a lightweight distributed testing system comprising a remote controller and a near-end testing unit. Wherein the remote controller comprises a computer and a functional interface card; the near-end test unit is a board card framework and comprises multiple sets of independent measurement and control systems and a network switch, each set of measurement and control system is composed of a main control board, a time sequence board, a power distribution board and a power board, the multiple sets of measurement and control systems share one bottom board, the main control board, the time sequence board and the power distribution board are all provided with network interfaces, and the network interfaces are connected with the network switch. All network interfaces are gathered through the network switch; the remote controller is in communication connection with the near-end test unit and has a wireless communication mode and a wired communication mode. The device has the advantages of being convenient to move, convenient to assemble and maintain, high in expandability and environment applicability and capable of meeting the requirements for diversification and combination of products to be tested.

Methods and systems for identifying and correcting abnormal electrical activity about a home or other structure are provided. An electricity monitoring device may monitor electrical activity including transmission of electricity via an electrical distribution board to devices about the home. Electrical activity may be correlated with respective electrical devices to build an electrical profile associated with the structure. In response to a claimed damage to the structure or to electric devices therein, some electrical activity may be compared to the electrical profile to determine whether the damage occurred voluntarily or involuntarily.

The utility model discloses a busbar capable of electrically and flexibly plugging a miniature circuit breaker in a distribution box, which comprises a back plate and a combiner box body, the combiner box body is a rectangular body, a knife switch is arranged in the combiner box body, the back surface of the combiner box body is fixed on the back plate, a first connecting end connected with a main switch is led out from the top of the combiner box body, and a second connecting end connected with the main switch is led out from the top of the combiner box body. The left side and the right side of the combiner box body are respectively provided with a plurality of circuit breaker plugging positions which are arranged in sequence, each circuit breaker plugging position comprises a temporary fixing position, an anti-electric shock switch and a second connecting end connected with the wiring end of the miniature circuit breaker, the second connecting ends are located on the side face of the combiner box body, and the anti-electric shock switches are connected with knife switches in the combiner box body. According to the utility model, only the capacity of equipment in an area needs to be roughly calculated, the phase number and the current size of a switch do not need to be considered, and the design difficulty of a designer is greatly reduced; when the machine table moves, the switch can be pulled out and reused, so that waste is avoided, and the cost is saved; the switch can be plugged under the condition of uninterruptible power, an operation area is not electrified, and the safety is high; the switchboard does not need to reserve a switch, so that waste is avoided, and cost is saved; product reliability is high and installation is simple.

A power distribution panel can include a main line rigid busbar, a first breaker having a first base and a first line input terminal at a first input connection height from the first base, a first mounting bracket configured to dispose the first breaker in a compartment with the first line input terminal at a connection depth within the compartment, and an input line rigid busbar electrically coupled between the first line input terminal and the main line rigid busbar. The input line rigid busbar can be configured to be selectively coupled between a second line input terminal of a second breaker and the main line rigid busbar, and the second breaker can have a second base and the second line input terminal can be at a second input connection height from the second base, the second input connection height being different from the first input connection height.

The utility model discloses a centralized power supply system for emergency lighting, which has the advantages of efficient heat dissipation, flexible adjustment, rapid emergency response, independent loop control, intelligent management, simple maintenance, integrated design, improved safety performance, enhanced stability and the like. The system comprises a power supply adjusting main body, a heat dissipation module, a power supply connecting mechanism, a power distribution device, an emergency lighting controller and a voltage detection interface. The heat dissipation module is composed of a dry ice placing drawer, a placing groove and a heat conduction power pack bearing box, and rapid disassembly and assembly are achieved through a connecting groove. The control handle is connected with the placing drawer through the fixing groove, and stability is enhanced. And the XBUS communication mode improves the communication efficiency. And the circuit distribution board adopts a plug-in structure, so that the maintenance is convenient. The power supply adjusting main body is fixedly connected with the heat dissipation mechanism through the connecting mechanism to ensure the heat dissipation efficiency. The voltage detection interface quickly activates emergency lighting after the mains supply is cut off. The connecting screws are connected with the connecting plate and the body through the fixing holes, and structural stability is improved. The system aims at providing an emergency lighting power supply solution which is efficient, reliable and easy to maintain.

The invention provides a distribution board base and a ship, and relates to the technical field of ships. The power distribution board base comprises a frame and a plurality of supporting pieces, the supporting pieces extend in the first direction, the two ends, in the first direction, of any supporting piece are connected with the inner side wall of the frame, the multiple supporting pieces are arranged at intervals, and the sectional area of the supporting pieces is smaller than that of the frame. In this way, the distribution board base has sufficient strength. Compared with a distribution board base formed by splicing and welding angle steel of the same specification, the distribution board base has the advantages that the sectional area of the supporting piece is smaller than that of the frame, so that the weight of the distribution board base is smaller.

The utility model discloses a uniform material distributing and distributing chute, belongs to the field of material distributing and transferring equipment, and particularly relates to a uniform material distributing and distributing chute. The material distributing device comprises an upper material distributing bin and a lower material distributing bin, the material distributing bin is composed of a feeding flange, a material distributing plate, a material accumulating plate, a door sill lining plate, an access door and a shell, and the material distributing bin is composed of a middle partition plate, a turning plate material distributing device, a lining plate, a shell and a discharging port. Two cross beams with long holes are arranged on the outer side of the upper portion of the shell, the material distributing plate is hoisted and fixed to the middle of the interior of the shell through high-strength bolts, the position of the material distributing plate can be adjusted within the range of the long holes of the cross beams, and materials can be divided into consistent throughput from the left side to the right side of the vertical face by adjusting the position of the material distributing plate. Through position adjustment of the material distribution plate, dynamic material distribution of the turning plate and a wear-resistant structure, the problems that the screening efficiency is low and the chute is easy to wear due to uneven left-right distribution of materials and particle layering are solved, and the device has the advantages of being high in wear resistance, large in flux and long in service life.

The application discloses a server node copper bar structure, a power supply circuit and a server. The server node copper bar structure comprises a copper bar assembly, the copper bar assembly comprising a ground common copper bar and at least two positive copper bars arranged on the ground common copper bar, the at least two positive copper bars corresponding to at least two adapter cards one by one, and each positive copper bar supplying power for the corresponding adapter card; a first floating terminal arranged on the ground common copper bar and connected with an adapter card ground pin of at least one adapter card; at least two second floating terminals corresponding to the at least two positive copper bars, each second floating terminal being connected with an adapter card power pin of each adapter card; and the copper bar assembly further comprising a copper bar ground pin and a copper bar power pin, the copper bar ground pin being connected with a ground terminal of a distribution board, and the copper bar power pin being connected with a power supply terminal of the distribution board. The application solves the problem that the power supply mode for a high-power GPU increases the occupied space of a power supply system in the prior art.

The utility model provides a multi-layer packaging device for switchboards. The multi-layer packaging device comprises a frame body and a cover body arranged outside the frame body in a sleeving mode. The frame body comprises a base layer bottom support and a plurality of single-layer bottom supports arranged on the base layer bottom support, and the single-layer bottom supports are arranged in a stacked mode and connected through reinforcing pieces; the left side and the right side of the base layer bottom support are correspondingly provided with installation bases used for installing the switchboard, the sides, facing the middle of the base layer bottom support, of the installation bases are each provided with a positioning groove matched with the switchboard, and the reinforcing pieces are detachably installed on the installation bases. The multi-layer packaging device for the switchboards has the advantages of being easy to assemble and disassemble, simple in structure, low in cost, high in stability and high in safety, a plurality of single-layer bottom supports are arranged on the base layer bottom support in a stacked mode, a plurality of switchboards can be borne, multi-layer packaging and transportation are achieved, and the switchboards can be packaged and transported according to the actual delivery condition in the actual using process. The number of layers of the single-layer bottom support is adjusted, and flexibility is high.

A kind of board card, cabinet, clock distribution circuit and system applied to quantum computing belong to quantum computing technical field;High-precision clock source is used to synchronize output high-speed clock signal and low-speed clock signal, ensure the synchronization of low-speed reference clock and high-speed sampling clock of multiple cabinets, multiple board cards;Independent clock distribution board card is used, high-speed clock electrical signal is converted into high-speed clock optical signal by microwave modulation light source, after optical power amplification, optical beam splitter, it is distributed to the clock distribution board card of each cabinet by optical fiber, low-speed clock electrical signal is connected to the clock distribution board card of each cabinet by radio frequency cable;High-speed clock optical signal, low-speed clock electrical signal are input to clock distribution board card, then by clock distribution board card distribution to each control board card, reduce the number of PD detector, Buffer, PLL and amplification filtering module on clock signal transmission path, reduce cabinet space use pressure and cost.