24 results about "Fusible link" patented technology

A fusible link element (10; 15; 25; 35) comprising a metal composite material in which a first fusible metal (11; 21; 31) and a second fusible metal (12; 22; 32) are layered on top of each other, wherein the second fusible metal (12; 22; 32) has a lower melting temperature than the first fusible metal (11; 21; 31), characterized by the fact that the first fusible metal (11; 21; 31) is a Sn-Ag alloy and the Sn-Ag alloy contains at least 20 wt% and at most 30 wt% Ag, and the second fusible metal (12; 22; 32) is a Sn-Bi alloy and the Sn-Bi alloy contains at least 40 wt% and at most 70 wt% Bi, wherein at a common working temperature at least part of a component of the second fusible metal (12; 22; 32) is melted and part of a component of the first fusible metal (11; 21; 31) is melted, and where, at the common working temperature, the difference between a liquidus temperature and a solidus temperature of the first fusible metal (11; 21; 31) and the second fusible metal (12; 22; 32) is reduced by a shift in the equilibrium of Sn between the first fusible metal (11; 21; 31) and the second fusible metal (12; 22; 32) and by a mutual diffusion of Ag and Bi between the first fusible metal (11; 21; 31) and the second fusible metal (12; 22; 32).

A safety cabinet includes an enclosure and at least one door to selectively seal the enclosure. The safety cabinet can be used to store, for example, flammable liquids, flammable waste, corrosive agents, pesticides, or combustible waste. The safety cabinet includes a heat-actuated damper including a body, a valve plate, and a pivot assembly. The valve plate is disposed within a passageway of the body such that the valve plate is movable between an open position and a closed position. The pivot assembly includes a biasing system adapted to bias the valve plate to the closed position and a fusible link interconnected between the body and the biasing system to limit movement of the valve plate from the open position to the closed position. The fusible link is configured to melt at a predetermined temperature, thereby allowing the biasing system to move the valve plate to the closed position.

To provide a connection structure of a terminal to a fusible link unit capable of reducing the weight.SOLUTION: A connection structure 10 of a terminal to a fusible link unit includes a fusible link unit 20 having a housing 30, a bus bar 40, and a stud bolt 60. The connection structure 10 of the terminal to the fusible link unit includes the terminal 72 having the connection terminal portion 721 in which the insertion hole 7211 is formed, and the nut 80 that fastens the terminal 72 in a state of being electrically connected to the bus bar 40. Further, an engagement recess 7212,7213 is formed in the connection terminal portion 721. In a state where the stud bolt 60 is inserted into the insertion hole 7211, the engagement protrusion 333,3321 formed on the housing 30 is engaged with the engagement recess 7212,7213.SELECTED DRAWING: Figure 10

A fusible link unit includes a conductor having a fuse function, and a housing that accommodates the conductor. The conductor includes an input terminal that inputs electric power from a power source, an output terminal that outputs the electric power, a fusing portion disposed on an energization path from the input terminal to the output terminal, and a relief terminal portion capable of connecting a relief tool for supplying the electric power to the power source from outside. The input terminal and the relief terminal portion are provided on a continuous exposed piece of the conductor exposed from the housing.

The invention relates to a fire protection device (2) for a vehicle (1), in particular a motor vehicle, comprising a storage device (3) in which an extinguishing agent can be stored, an outlet opening (6) through which at least a part of the extinguishing agent stored in the storage device (3) can be discharged from the fire protection device (2), whereby at least one component (7) of the vehicle (1) can be exposed to the extinguishing agent, and a release device (10) by means of which the discharge of the extinguishing agent from the fire protection device (2) via the outlet opening (6) can be triggered, wherein the release device (9) is designed as a fusible link (10).

The application discloses a fuse programming unit, a programming circuit, a control circuit and an array, comprising two efuse units and a mode control tube; the first efuse unit comprises a first fuse, a first end of the first fuse constituting a first bit line of the fuse programming unit, a second end of the first fuse being connected with a drain end of a first MOS; a source end of the first MOS being connected with a ground, and a gate end of the first MOS constituting a first word line of the fuse programming unit; the second efuse unit comprises a second fuse, a first end of the second fuse constituting a second bit line of the fuse programming unit, a second end of the second fuse being connected with a drain end of a second MOS; a source end of the second MOS being connected with the ground, and a gate end of the second MOS constituting a second word line of the fuse programming unit; and the mode control tube, a drain end of the mode control tube being connected with the bit line of the first efuse unit, a source end of the mode control tube being connected with the bit line of the second efuse unit, and a gate end of the mode control tube constituting a correction signal of the fuse programming unit. The application improves the use flexibility of the fuse programming unit array, and realizes the redundancy correction function of each storage bit.

A conductor plate assembly for providing an electrical connection between a plurality of battery cells of a battery package for an electric vehicle is described. The conductor plate assembly includes a plurality of first conductor plates, at least one second conductor plate, a plurality of fusible links at the at least one second conductor plate configured to connect the at least one second conductor plate to multiple battery cells, and a plurality of non-fusible links at the plurality of first conductor plates configured to connect the plurality of first conductor plates to plural battery cells. Related apparatuses, systems, and methods are also described.

The utility model relates to an efficient fireproof regulating valve for a coating operation air supply system, which comprises a hollow valve body and a blade array rotationally connected with the valve body, a plurality of air nozzles are symmetrically arranged at the top of the valve body, and the blade array is pivoted on two side walls of the valve body through a blade rotating shaft. The two ends of a blade rotating shaft are connected with a pull rod motor through a first connecting rod mechanism, the other side of the first connecting rod mechanism is connected with a backup fusible piece, and an infrared temperature sensor and a laser dust sensor are fixedly connected to the interior of the side, close to the air inlet, of the valve body. Dust is directionally removed, airflow distribution is optimized, sealing performance is enhanced, and dust accumulation is prevented; and through cooperative work of the pull rod motor and the memory alloy spring backup fusible piece, redundancy protection is provided, it is ensured that the fire behavior is cut off in time, and safety and reliability are remarkably improved.

This utility model discloses a voltage sampling interface protection device for a doubly-fed induction generator (DFIG) converter in a wind turbine generator set, relating to the field of wind power equipment technology. It includes a fusible link fuse, a DC bus voltage sampling interface, a capacitor voltage sampling interface, a stator voltage sampling interface, and cables. It also includes a DIN rail bracket. The fusible link fuse is fixedly installed in the external terminal box of the DFIG converter control box via the DIN rail bracket. Three sets of fusible link fuses are connected in series on the voltage divider circuit side at the front end of the DC bus voltage sampling interface, the capacitor voltage sampling interface, and the stator voltage sampling interface, respectively. A protective component is installed at the cable through-hole. This device features an optimized structure, with the addition of fusible link fuses to enhance the protection characteristics of the converter grid-side voltage sampling interface, quickly cutting off short-circuit current and preventing fault propagation. The cable through-hole uses a special protective sleeve to prevent cable damage due to vibration or external force. The modular design of the fuse via the DIN rail and bracket simplifies the fuse replacement process and facilitates maintenance.

The utility model relates to K type fuse wire technical field, concretely is a kind of K type fuse wire, the utility model includes fuse, recess ring one and recess ring two are set up in the side wall of fuse, the depth of recess ring one is greater than the depth of recess ring two, the length of recess ring one is equal to the length of recess ring two, the fuse includes matrix layer, the material of matrix layer is silver copper alloy, matrix layer inside evenly distributed has dispersion layer, the material of dispersion layer is nano alumina particle, matrix layer outside is coated with surface coating, the material of surface coating is low melting point metal tin;Through the matrix layer of silver copper alloy guarantee its high efficient conductivity, the dispersion layer of nano alumina particle promotes the current-carrying capacity of fuse, low melting point metal tin shortens fusing response time, changes the connection position of fuse, current passes through recess ring one or recess ring two, the depth of two is different, and the current-carrying capacity is different, thereby adapt to high current or low current, improve the accurate fusing capacity of fuse wire.

A battery pack may include a fusible link plate having a bent shape. The fusible link plate may include: a first plate part extending in a first direction; a second plate part extending in a second direction; and a bent part connecting the first plate part to the second plate part. The first plate part, the second plate part, and the bent part may be disposed along a first plane that is along both the first direction and the second direction. The first plate part may include a portion having a first cross-sectional area. The second plate part may include a portion having a second cross-sectional area. The bent part may include a first fusible part having a third cross-sectional area. The third cross-sectional area may be smaller than the first cross-sectional area and smaller than the second cross-sectional area.

The invention relates to a winding (1) of a sheath (2) made of plastic material and configured to accommodate at least one electrically conductive cable and / or at least one optical fibre cable, the winding (1) comprising a plurality of turns (8) that are at least partially juxtaposed and / or superposed and a plurality of fusible link zones (9) formed by plastic welding of the sheath (2) between adjacent turns (8), so as to form a ring with contiguous turns (3). The invention also relates to a method and a system for producing a winding of this kind.

The invention discloses an electric fuse memory, which is characterized in that an address switching module and an output mode selection module are added on the basis of a conventional basic function module, and a double-bit redundancy mode starting signal DB is added on the basis of an original control signal to serve as an enable signal of a double-bit redundancy working mode; two working modes of a normal working mode and a double-bit redundant working mode can be provided for a customer to select, all storage space can be used in the normal working mode, a redundant backup function can be realized in the double-bit redundant working mode, selectable input address length and selectable output results can be realized, conventional operation and redundant operation are ensured to be realized, and the user experience is improved. According to the invention, capacity and reliability can be both considered in the same electric fuse memory, the problem that the capacity is reduced by half due to redundant backup is avoided, the reliability problem of lack of a redundant backup function is also prevented, and compared with a conventional double-bit redundant backup application scheme, the chip area can be saved.

This utility model relates to a flue fireproof backflow preventer, comprising a valve body, a valve plate, and a hinge mechanism, as well as a valve plate locking mechanism. The valve plate locking mechanism includes a hinge seat, a locking element, a fusible link, and a limiting element. The hinge seat is mounted on the valve body. One end of the locking element is hinged to the hinge seat via a locking torsion spring. The locking element has a through hole, through which the free end of the fusible link passes and connects to the limiting element. The fusible link includes a first fusible link and a second fusible link. The limiting element is mounted on the first fusible link, and the second fusible link is connected to the hinge seat. The valve body has a positioning hole for the hinge seat or the second fusible link to extend. This utility model has a simple structure and is easy to operate. It can meet the requirements of normal kitchen ventilation and exhaust of smoke to the public flue, prevent the backflow of high-temperature smoke in the public flue, and prevent high-temperature smoke from entering the public flue during a kitchen fire. It can effectively prevent the spread of fire, giving this flue fireproof backflow preventer high fire resistance and wider application.

Fusible link (1) with integrated measuring function, - with a protective housing (2) from which two electrical connection elements (3, 4) of the fuse (1) are brought out and in which at least one fusible link (5) is arranged, which electrically connects the two connection elements (3, 4) in the protective housing (2), - with a measuring device (10) which has a sensor element (11) for detecting a physical state measurement value of the fuse (1) and a transmission device (13) for transmitting the measurement value to a receiving device arranged outside the fuse (1), characterized in that - that the measuring device (10) has its own housing (12) in which the sensor element (11) is received and held and which is mechanically connected to the protective housing (2), wherein the total installation space required for the protective housing (2) and the further housing (12) corresponds to the installation space of a standardized NH fuse, wherein the measuring device (10) has a processing unit (14) for processing the measured value, which is arranged in the housing (12) and coupled to the sensor element (11) and the transmission unit (13), and wherein the processing unit (14) has a microprocessor or a microcontroller.

Optoelectronic device (1) comprising a first electrode (20), wherein the first electrode (20) has a plurality of electrode elements (21) which are arranged separately from each other, so that there is a space between them, wherein the first electrode (20) also has a conducting structure (22) which is designed in such a way that it electrically connects adjacent electrode elements (21) to each other and thereby forms a fusible link between the connected adjacent electrode elements (21), wherein the conducting structure (22) comprises a conducting structure layer (22a) which adjoins the electrode elements (21) and electrically connects the adjacent electrode elements (21) to each other, thereby acting as the fuse, and wherein - the device further comprises a functional layer structure (10) which is suitable for emitting electromagnetic radiation when the functional layer structure (10) is energized, wherein - the guide structure (22) is set up to supply current to the functional layer structure, and the functional layer structure (10) covers the guide structure (22) on its side facing away from a support, and - the guiding structure (22) is in full contact with the functional layer structure (10).

A tab configured to connect a printed circuit board with a conductive body, the tab comprising a relaxed state and an elastically deformed state. In the relaxed state, the tab has one or more elastically deformable fusible members spanning between a first end connected with the printed circuit board and a second end attached with the conductive body. In the elastically deformed state, the tab has a first end connected with the printed circuit board and a second end attached to the conductive body.

A heating device comprises a support, an electrically insulating base insulation layer, and at least one heating conductor circuit on this base insulation layer. The heating conductor circuit includes at least one heating conductor and electrical connections thereon. An electrically insulating secondary insulation layer is arranged on the support below the base insulation layer and between the base insulation layer and the support. An electrically conductive conductive layer is distributed over the substrate such that the base insulation layer is directly adjacent to the conductive layer. A protective earth (PE) connection is provided on the support or on the secondary insulation layer and is connected to ground. A fusible link is provided between the conductive layer and the support or the PE connection, respectively, as the sole electrical connection between the conductive layer and the support or the ground connection.

A heating device comprises a support, an electrically insulating base insulation layer, and at least one heating conductor circuit on this base insulation layer. The heating conductor circuit includes at least one heating conductor and electrical connections thereon. An electrically insulating secondary insulation layer is arranged on the support below the base insulation layer and between the base insulation layer and the support. An electrically conductive conductive layer is distributed over the substrate such that the base insulation layer is directly adjacent to the conductive layer. A protective earth (PE) connection is provided on the support or on the secondary insulation layer and is connected to ground. A fusible link is arranged between the conductive layer and the support or the PE connection as the sole electrical connection between the conductive layer and the support or the ground connection.

The invention relates to a temperature release (1) for an air duct closure device (20) with an actuating plunger (2), wherein the actuating plunger (2) is arranged in a rest position in an inner sleeve (3), wherein the actuating plunger (2) is spring-loaded in the rest position, wherein the inner sleeve (3) is a tubular cylinder, wherein the actuating plunger (2) forms the stop (7) in the rest position, wherein the inner sleeve (3) is arranged in an outer sleeve (8), wherein the outer sleeve (8) opens at one end into a coupling basket (9) and is open at the other end, wherein the actuating plunger (2) has a first coupling (10) at the other end of the stop (7), and wherein a fusible link (4) is arranged between the inner sleeve (3) and the outer sleeve (6).

The invention relates to a fire protection device (2) for a vehicle (1), in particular a motor vehicle, comprising a storage device (3) in which an extinguishing agent can be stored, an outlet opening (6) through which at least a part of the extinguishing agent stored in the storage device (3) can be discharged from the fire protection device (2), whereby at least one component (7) of the vehicle (1) can be exposed to the extinguishing agent, and a release device (10) by means of which the discharge of the extinguishing agent from the fire protection device (2) via the outlet opening (6) can be triggered, wherein the release device (9) is designed as a fusible link (10).

The utility model relates to electronic device technical field especially, relates to fuse -cut type fuse, including two groups same structure cover, the cover inside one body forming has diagonal setting two connecting post no.

A control tube and a fuse of the electric fuse storage unit are formed in the same active region, the long-strip-shaped polycrystalline silicon fuse is located on one side of an MOS (Metal Oxide Semiconductor) control tube, and one end of the long-strip-shaped polycrystalline silicon fuse is in short circuit with one end of a heavily doped region at the drain end of the nearest MOS control tube, so that the area of the electric fuse storage unit is greatly reduced, and the storage capacity of the electric fuse storage unit is improved. And the storage unit pairs are conveniently formed in a central symmetry manner and are directly combined and arranged to form the storage unit array, so that the layout area of the storage array can be reduced, and the layout efficiency of the storage array formed by the electric fuse storage unit is obviously improved. In addition, long-strip-shaped polycrystalline silicon is adopted as the fuse wire, manufacturing is easy, quality control is convenient, electromigration is uniform and controllable during programming, and reliability is high after programming is completed.

This application provides a battery cell, a battery device, and an electrical device, belonging to the technical field of new energy batteries. The battery cell includes a casing, electrode assembly, a thermistor, and an insulating component. The thermistor is a positive temperature coefficient thermistor, comprising a first connecting portion, a fusible portion, and a second connecting portion connected in sequence. The fusible portion includes multiple fusible links spaced apart from each other. Within a preset temperature range, the resistance value of the fusible portion is greater than the resistance values ​​of the first connecting portion and the second connecting portion. The first connecting portion is electrically connected to the electrode assembly, and the second connecting portion is electrically connected to the electrode terminals. The insulating component is disposed between the first and second connecting portions, and at least two fusible links are separated by the insulating component. When the battery cell is subjected to a large current, the fusible portion melts first, cutting off the internal circuit of the battery cell, providing overcurrent protection, improving the battery cell's resistance to thermal runaway, and enhancing the safety and reliability of the battery cell.