901 results about "Fuse (electrical)" patented technology

An electronic fuse includes a housing, a first housing terminal and a second housing terminal. The electronic fuse further includes a circuit breaker including a first terminal of the circuit breaker and a second terminal of the circuit breaker. The first terminal of the circuit breaker is electrically connected to the first housing terminal of the electronic fuse. The second terminal of the circuit breaker is electrically connected to the second housing terminal of the electronic fuse. A thermal protection is arranged in a current path between the first housing terminal and the second housing terminal in series with the circuit breaker. The thermal protection interrupts the current path when a temperature of the circuit breaker or a temperature within the housing of the electronic fuse and / or a temperature of the housing of the electronic fuse exceeds a switch-off temperature.

The invention discloses a power supply circuit, a power supply method, a server, a product and a medium, and relates to the technical field of server power supply, the total power demand of the server is dispersed through the parallel design of multiple power panels, the bus current of a single board connected to a first voltage is reduced to the safe bearing range of an MOS tube, the impact risk is reduced, and the service life of the server is prolonged. The electronic fuse is matched with the single-board power to set an overcurrent protection threshold value, and the short-circuit protection response time is shortened; each board is independently provided with a power supply brick to realize second voltage localization conversion and single board output current reduction, a multi-board output end combined power supply design is combined, a heat source is dispersed to eliminate heat accumulation, the through-current capability is multiplied through a parallel path, and the heat dissipation and electrical design feasibility of the circuit board is improved. The technical problems of MOS tube over-limit, overcurrent protection delay, circuit board heat accumulation and difficult through-flow caused by large current brought by a power supply in a high-power server are solved, and the technical effects of enhancing power supply reliability and optimizing energy efficiency are achieved.

The invention relates to the technical field of electrical equipment detection, and discloses an electrical equipment real-time state live detection method and system, and the system comprises a non-contact multi-source sensing array, an edge calculation unit, a high-frequency pulse excitation module, a self-adaptive installation structure, an intelligent diagnosis platform, and a self-energy-taking power supply unit. When electrical equipment state live-line detection is carried out, infrared thermodynamic characteristics, ultraviolet corona intensity and ultrasonic discharge signals are fused and collected through a non-contact multi-source sensing array, multi-parameter real-time sensing under the live-line condition is achieved, the problem of signal distortion caused by electromagnetic interference in traditional detection is solved, and the accuracy of state parameter extraction is improved; and meanwhile, the multi-dimensional feature data is subjected to standardization processing in combination with an edge calculation unit, so that the system can eliminate interference of environmental factors on detection results, the consistency of evaluation results under different working conditions is guaranteed, and state diagnosis errors are reduced.

The battery pack comprises a plurality of batteries, each battery comprises a shell, a cover plate, a pole, a conducting bar and a battery cell, and the shell is provided with an opening; the cover plate covers the opening, and a through hole is formed in the cover plate; the pole is arranged in the through hole; the conducting bar is electrically connected with one surface, deviating from the battery cell, of the pole; the battery cell comprises a battery cell main body and a tab, the battery cell main body is arranged in the shell, the tab comprises a first connecting part, a fusing part and a second connecting part, the sectional area of the first connecting part and the sectional area of the second connecting part are both larger than the sectional area of the fusing part, the first connecting part is connected with the battery cell main body, and the second connecting part is connected with the end, located in the shell, of the pole; the minimum sectional area of the fusing part is S1 mm, the surface area of the conducting bar is S2 mm, the thickness of the conducting bar is T1 mm, and S1 * S2 * T1 is larger than or equal to 9600 and smaller than or equal to 32,000. According to the invention, the fusing part can be fused under the originally set current threshold value, so that the safety of the battery pack is ensured.

The invention discloses an ultra-miniature patch fuse structure and a production process thereof. A fuse comprises a ceramic substrate, an inner electrode part, a terminal electrode part, a fuse wire part and a covering protection layer. An inner electrode groove is formed in the side wall of the ceramic substrate, and the inner electrode part comprises a first inner electrode and a second inner electrode; the first inner electrode and the second inner electrode are respectively provided with a fuse wire fixing groove. According to the production process, inner electrode grooves are formed in the two ends of a ceramic substrate, a first inner electrode and a second inner electrode are constructed through metallization wall-hanging treatment, a fuse part is inserted into a fuse fixing groove and connected through thermal ultrasonic or hot pressing bonding, and a protection layer is printed and cured to enhance the insulation performance. According to the invention, through cooperation of the fuse wire fixing grooves, accurate limitation and anti-drop protection of fuse wire component connection points are realized, and the structural stability and the electrical connection reliability between the fuse wire component and the first inner electrode and between the fuse wire component and the second inner electrode are improved.

To provide a wiring module capable of reducing a production cost.SOLUTION: A wiring module 3 is a wiring module 3 to be attached to a plurality of power storage elements and comprises: a bus bar 60 connected to electrode terminals of the power storage elements; a wiring member; a fuse unit 10; and a protector 80 that holds the bus bar 60, the wiring member and the fuse unit 10. The fuse unit 10 includes: a first terminal 20 electrically connected to the bus bar 60; a second terminal 30 electrically connected directly or indirectly to the wiring member; a resin part 40 that covers a portion of the first terminal 20 and a portion of the second terminal 30; and a chip fuse 50. The resin part 40 maintains an interval between the first terminal 20 and the second terminal 30. The first terminal 20 includes a first connection part 24 exposed from the resin part 40. The second terminal 30 includes a second connection part 34 exposed from the resin part 40. The chip fuse 50 includes a first electrode 51 mounted on the first connection part 24, and a second electrode 52 mounted on the second connection part 34.SELECTED DRAWING: Figure 7

The invention provides a control method and system for an energy storage PCS with an AC / DC circuit breaker and a storage medium, and the method comprises the steps: firstly, synchronously collecting the electrical parameters of a DC side and an AC side, and carrying out the preprocessing of the collected data, so as to form a standardized electrical matrix; then, all parameters in the electrical matrix are cyclically compared with corresponding early warning thresholds, first-level thresholds, second-level thresholds and fusing thresholds in a multi-level threshold mapping table; if the pre-warning threshold value is exceeded, a log is recorded, if the pre-warning threshold value is exceeded, self-healing operation is executed, if the pre-warning threshold value is exceeded, turn-off operation is executed, and if the pre-warning threshold value is reached, physical fusing is triggered; meanwhile, all operation logs are recorded, and the threshold mapping table is dynamically optimized by analyzing log data; according to the method, the fault response speed and the protection precision are improved through multi-level threshold serial comparison and a cooperative protection mechanism, the stability and the reliability under different working conditions are enhanced through the adaptive learning capability, and meanwhile, the whole life cycle cost is reduced.

The invention provides a board card and a server, and belongs to the technical field of servers. The board card provided by the invention is applied to the server. The board card is any one of a 60 fan backboard, a 80 fan backboard or a PCIE adapter board; the board card comprises a first type of connector, a second type of connector, a third type of connector and a CPLD (Complex Programmable Logic Device); the first type of connector is electrically connected with the third type of connector through a voltage and current power detection module and an electronic fuse in sequence; the second type connector is connected with the voltage and current power detection module and the CPLD; the CPLD is also connected with the electronic fuse; when the board card is the 60 fan backboard, the 80 fan backboard and the PCIE adapter board, the pin distribution rules of the CPLD are consistent, and the control logic of the CPLD firmware of the CPLD is consistent. According to the board card and the server provided by the invention, the source code development time and the firmware maintenance cost can be saved.

A fuse-less ignition system for fireworks. An ignitor module is provided that is insertable into a firework and includes: a first end having an interface adapted to reside on an exterior surface of the firework for receiving a plug; a set of electrical contacts adapted to receive electricity from the plug; a heat element coupled to the electrical contacts and adapted to heat in response to received electricity; and a cavity adjacent to the heat element containing a pyrotechnic material, the pyrotechnic material adapted to ignite in response to a heating of the heat element.

A device for electrically contacting a terminal pole (2) of a battery cell (3) comprises a fuse (1) that is electrically connected to the terminal pole (2) and to a contact point (4) spaced from the terminal pole (2) in a main direction (5). The electrical connection to the terminal pole is reliably disconnected at a predetermined overcurrent, regardless of any operating conditions or faults. The fuse (1), which is connected to the terminal pole (2) via a connecting conductor (6) and is spaced from the terminal pole (2) in the main direction (5) via a spacer, runs in an insulation area (7) which is separated in the main direction (5) by an insulating element (8) from a hazard area (9) that adjoins the connecting pole (2) and through which the connecting conductor (6) passes at least in sections.

A fuse-less ignition system for fireworks. An ignitor module is provided that is insertable into a firework and includes: a first end having an interface adapted to reside on an exterior surface of the firework for receiving a plug; a set of electrical contacts adapted to receive electricity from the plug; a heat element coupled to the electrical contacts and adapted to heat in response to received electricity; and a cavity adjacent to the heat element containing a pyrotechnic material, the pyrotechnic material adapted to ignite in response to a heating of the heat element.

A fuse circuit assembly has a first supply path and a second supply path. The first supply path includes a first supply-connection node, a first load-connection node for connecting a safety-relevant load, a first fuse node, a first electrical fuse and a second electrical fuse. The first electrical fuse is arranged between the first supply-connection node and the first fuse node. The second electrical fuse is arranged between the first fuse node and the first load-connection node. The second supply path includes a second supply-connection node, a second load-connection node for connecting the safety-relevant load, and a third electrical fuse which is arranged in a third connection between the second supply-connection node and the second load-connection node. The first fuse node is connected to the second supply-connection node via a fourth electrical fuse.

The present invention belongs to the technical field of smart charging piles. Disclosed is a highly integrated smart charging pile, which aims to solve the problem whereby, when an open fire occurs in a smart charging pile, the open fire cannot be extinguished rapidly, and easily leads to the burnout of and damage to the charging pile. The highly integrated smart charging pile comprises a smart charging pile body, wherein a steel cylinder is fixed to the top of one side of the outer side wall of the smart charging pile body, and an output end of the steel cylinder passes through the smart charging pile body, and is connected to a U-shaped pipe in a penetrating manner. In the present invention, by means of a fuse wire provided therein, after the fuse wire is blown by an open fire, a movable electrical contact block can be in contact with a static electrical contact block to start an electric push rod; and by means of a gear and a rack provided therein, a valve can be opened, and carbon dioxide in the steel cylinder can then enter the U-shaped pipe and is discharged into the smart charging pile body through an exhaust hole, such that the open fire at the position where the smart charging pile body is connected to a plug connecting wire can be extinguished, thereby avoiding the situation where the charging pile is burnt and damaged when the open fire cannot be extinguished in a timely manner.

Systems, methods, and apparatuses are provided for actuating an isolating switch of a fuse. A vehicle may include a fuse comprising a supply input, a component output between which an electronic isolating switch and a fusible conductor are arranged electrically in series, and a measuring device for measuring an electrical property on the fuse. A fuse system may include a trip logic communicatively coupled via signaling technology to the measuring device and the electronic isolating switch, which is configured to evaluate measurement values determined via the measuring device, and actuate the electronic isolating switch based on a result of the evaluation.

The invention discloses an electronic fuse circuit and a control method thereof, a vehicle and an electric device. The electronic fuse circuit comprises a current transmission path with a controllable switch, a detection circuit and a control circuit, the current transmission path is used for connecting a load to a power supply node, and the controllable switch is used for connecting or disconnecting the current transmission path according to a driving signal; the detection circuit is used for detecting electrical parameters of the current transmission path and outputting corresponding sensing signals; the control circuit is used for outputting a driving signal for turning off the controllable switch under the condition that any one sensing signal reaches or exceeds a preset parameter; wherein the electrical parameters of the current transmission path comprise electrical parameters provided by the power supply node to the load and working parameters of the controllable switch. And when any one of the parameters exceeds the expectation, the current transmission path is disconnected, so that the electronic fuse circuit realizes multi-parameter protection, and the function is not single any more.

The invention belongs to the technical field of batteries, and discloses a cover plate assembly and a battery, the cover plate assembly is connected with a pole group, the pole group is connected with a tab, the cover plate assembly comprises a cover plate body, a pole, lower plastic and a connecting piece, and the pole is arranged on the cover plate body; the lower plastic is arranged on one side, facing the pole group, of the cover plate body; the connecting piece is arranged on the side, facing the pole group, of the lower plastic, the connecting piece comprises a first welding part, a second welding part and a fusing part, the first welding part is connected with the pole, the second welding part is connected with the tab, the fusing part is arranged at the minimum section of the connecting position of the first welding part and the second welding part, and the tab is electrically connected with the pole through the connecting piece. Thus, the fusing part is located at the minimum cross section, the fusing part can be fused at the first time under the condition of abnormal overcurrent or high temperature, further accumulation of heat is prevented, electric connection between the pole group and an external circuit is rapidly cut off, and the safety performance of the high-capacity battery cell is improved.

An integrated circuit includes a first backside wiring layer arranged on a backside of a substrate, and an e-fuse bit cell. The e-fuse bit cell includes an e-fuse, a transistor arranged on a front side of the substrate, and a first backside contact passing through the substrate in a vertical direction and electrically connecting the e-fuse to the transistor. The e-fuse includes a first terminal electrically connected to a bit line, a second terminal electrically connected to the first backside contact, and a link between the first terminal and the second terminal, and the first terminal, the second terminal, and the link are included in the first backside wiring layer.

An electric junction box to facilitate the supply of power from a battery to an electric device, including an outer case having an open bottom opposite of an open top. A pair of terminals are fixed within the outer case and spaced apart from each other. A top cover is configured to close the open top and a bottom cover is configured to close the open bottom. A fuse cover assembly is disposed within the outer case, the fuse cover assembly including a base having a top surface and a bottom surface opposite of the top surface, a tower disposed on the top surface and configured to hold a spring, and an activation tab disposed on the bottom surface. The bottom cover is configured to engage the activation tab so as to position the spring between the pair of terminals, completing the electrical connection and allowing the flow of power through the electric junction box.

An electrical connection box includes a housing and a busbar attached to the housing. The housing includes a shared fuse mounting portion on which at least two fuses including large and small fuses of mutually different sizes are to be mounted. The fuse mounting portion includes: a large input-side fixing portion to which a large input terminal of the large fuse is to be fixed; a large output-side fixing portion to which a large output terminal of the large fuse is to be fixed; a small input-side fixing portion to which a small input terminal of the small fuse is to be fixed; and a small output-side fixing portion to which a small output terminal of the small fuse is to be fixed. The small input-side fixing portion and the small output-side fixing portion are arranged between the large input-side fixing portion and the large output-side fixing portion.

A bus bar includes a bus plate for integrating battery cores and an electrically connected VSH component of the bus plate. The bus board has several connections connected to the positive or negative electrodes of the battery cells. Rows and insulation layers cover both sides of the connection rows. The VSH assembly includes a first circuit board that includes connecting lines and insulating films covering both sides of the connecting lines. One end of the battery core is connected to the corresponding connection line through a fuse, and the fuse is arranged on the corresponding insulation. On the outside of the film and the insulating layer, several welding windows are provided in the insulating film and the insulating layer. The connection lines and connection rows form soldering pads at corresponding soldering windows.

An output pole integrated structure, a CCS assembly, and a battery module are provided. The output pole integrated structure is arranged at an input end or an output end of a battery group, and includes: an output bar electrically connected to an external device; and a protective bar connected between the output bar and the input end of the battery group, or connected between the output bar and the output end of the battery group. The protective bar is configured to conduct the battery group and the output bar and provided with fuse protection structures.

Provided are interconnects for interconnecting a set of battery cells, assemblies comprising these interconnects, methods of forming such interconnects, and methods of forming such assemblies. An interconnect includes a conductor comprising two portions electrically isolated from each other. At least one portion may include two contacts for connecting to battery cells and a fuse forming an electrical connection between these two contacts. The interconnect may also include an insulator adhered to the conductor and mechanically supporting the two portions of the conductor. The insulator may include an opening such that the fuse overlaps with this opening, and the opening does not interfere with operation of the fuse. In some embodiments, the fuse may not directly interface with any other structures. Furthermore, the interconnect may include a temporary substrate adhered to the insulator such that the insulator is disposed between the temporary substrate and the conductor.

The invention discloses a quick response type temperature fuse which comprises a shell, a bimetallic strip arranged on the shell, a tripping device, a first electrode, a second electrode and an electrical breaking device arranged between the first electrode and the second electrode in a bridging mode. The two ends of the tripping device abut against the movable end of the bimetallic strip and the electrical breaking device respectively. The bimetallic strip is close to the shell; when the bimetallic strip is heated to deform, the tripping device and the electrical breaking device are pushed to be separated from the abutting state. The electrical breaking device is kept in a conducting state under the action of external force applied by the tripping device, and the electrical breaking device is in a disconnected state when the external force is removed. According to the invention, the advantages of two technologies of a bimetallic strip and a low-melting-point alloy are integrated, the defects of the two technologies are overcome, the user experience is improved, and the product performance is also greatly improved.

Provided is an electrical connection unit disposed in an automobile and performing relay in supplying electrical power from a first power source to a load apparatus. An electrical connection unit includes: a first electrical power path and a second electrical power path connected to a load apparatus; a third electrical power path connected to a first power source; a power source connection part which can be connected to a second power source; a first fuse attachment part which can attach a first fuse connecting the first electrical power path and the third electrical power path and is connected to the first electrical power path and the third electrical power path; and a second fuse attachment part which can attach a second fuse connecting the second electrical power path and the third electrical power path and is connected to the second electrical power path and the third electrical power path.

According to the integrated double-H-bridge power unit module, two three-phase rectifier bridges and H-bridge modules are mounted on a radiator to form a double-H-bridge loop, so that double-module series output is realized, and the power density is improved; the module adapter plate realizes integrated and modular design, and the production efficiency is improved; main loop current terminals are welded around the control terminals, so that the interference of a main loop to a driving control loop is reduced; the bypass power relay meets bypass output when a fault occurs; the filtering energy storage capacitors are divided into two groups and respectively provide energy storage and filtering for the corresponding H-bridge inverters; independent two-way unit inputs are connected with a fast fuse through an input cable, a cable sheath is installed at a via hole of a main shell, and the cable is deformed and limited through a cable supporting piece in the main shell; the power unit module has the advantages of being high in power density, high in integration, high in installation efficiency, convenient to overhaul and the like on the premise that the structural strength and the electrical performance are met, and the problems that a power unit module is large in element number, low in power density, large in size and complex in installation are solved.

The utility model discloses a quick response type temperature fuse. The quick response type temperature fuse comprises a shell, a bimetallic strip, a tripping device, a first electrode, a second electrode and an electrical breaking device, wherein the bimetallic strip, the tripping device, the first electrode and the second electrode are arranged on the shell; the electrical breaking device is arranged between the first electrode and the second electrode in a bridging manner; the two ends of the tripping device abut against the movable end of the bimetallic strip and the electrical breaking device respectively. The bimetallic strip is close to the shell; when the bimetallic strip is heated to deform, the tripping device and the electrical breaking device are pushed to be separated from the abutting state. The electrical breaking device is kept in a conducting state under the action of external force applied by the tripping device, and the electrical breaking device is in a disconnected state when the external force is removed. According to the utility model, advantages of two technologies of a bimetallic strip and a low-melting-point alloy are integrated, disadvantages of the two technologies are overcome, user experience is improved, and product performance is greatly improved.

A power distribution management integrated assembly of a battery system, a battery pack, and an automobile are provided and include a structure assembly (10), including a base (11) and a copper bar component (12); an electrical assembly (20), including a fast charging relay assembly (21), a main relay assembly (22), and a fuse (23) all arranged on the base (11) and all electrically connected to the copper bar component (12); and a hardware circuit assembly (30), including a control plate (31), a sampling component (32), a pre-charging resistor (33), and a pre-charging relay (34), the control plate (31) being arranged on the base (11), and the pre-charging resistor (33) and pre-charging relay (34) being integrated on the control plate (31), the fast charging relay assembly (21), main relay assembly (22), and fuse (23) being all electrically connected to the control plate (31).

The invention discloses an over-temperature protection circuit, an electronic fuse and an over-temperature protection method, and relates to the technical field of electronic circuits. The circuit comprises an operational amplification module, a current source module, a thermal judgment module and a starting module, the voltage output port is electrically connected with the proportional voltage input port and the current detection port, the current output port is electrically connected with the current input port, the first driving signal input port is electrically connected with the first driving signal output port, and the second driving signal input port is electrically connected with the second driving signal output port. According to the over-temperature protection circuit, the electronic fuse and the over-temperature protection method disclosed by the embodiment of the invention, the heating value of the power tube can be estimated in advance in cooperation with the temperature sensor under the working condition that the current change rate is relatively high, and the power tube is prevented from being burnt due to signal response delay of the temperature sensor.

The invention relates to the technical field of thermal fuses, in particular to a thermal fuse, a carrier tape, an onboard, a protection device and a manufacturing method. The temperature fuse comprises a first electrode, a second electrode, a temperature sensing alloy and a shell. An accommodating space is formed in the shell; the first electrode and the second electrode are respectively provided with a first end part and a second end part which are opposite; the first end part of the first electrode and the first end part of the second electrode are oppositely arranged in the accommodating space at an interval; the temperature sensing alloy is positioned in the accommodating space and is electrically contacted with the first end part of the first electrode and the first end part of the second electrode respectively; through holes are formed in the positions, located at the first end of the first electrode and the first end of the second electrode, of the shell respectively. Through the arrangement, the product size is reduced while the welding quality is improved, and the stability and the performance of the product are effectively improved.

A valve-device (VD) for a vehicle-braking-system (VBS), and a VBS. A VD for a VBS, having first / second control-units (CU), which are electrically connectable to the VD, which includes a valve-unit (VU) with an actuator for actuating the VU, a valve housing (VH) for the VU, and an error protection module (EPM) outside the VH. The EPM includes first / second supply-ports (SP) for electrical attachment to the first / second CUs, first / second main-ports (MP) for electrical attachment to the first / second CUs, a first connection port (CP) electrically connected to the first / second SPs, for electrical connection to the actuator, a second CP electrically connected to the first / second MPs, for electrical connection to the actuator, first and second electric protective circuits (EPC). The first EPC is electrically connected between the first / second SPs, and the first CP. The second EPC is electrically connected between the second CP and the first / second MPs. An EPC includes an electrical fuse-device and / or a diode-element connected in series to the respective supply / main ports.