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327results about "Resistor mounting/supporting" patented technology

FPC, CCS assembly, battery module and vehicle

The utility model discloses an FPC, CCS subassembly, battery module and vehicle, said FPC includes FPC body and FPC branch, said FPC branch includes and at least one connecting portion, one end of said connecting arm is conductively connected with said FPC body, the other end of said connecting arm overhangs and is equipped with NTC fixed portion, said connecting arm is bent to form at least one bending portion, and said bending portion is equipped with the NTC fixed portion. The orthographic projection of the connecting part in the thickness direction of the FPC body covers the FPC body, and at least one bending part is connected with at least one connecting part. According to the FPC provided by the utility model, the orthographic projection in the thickness direction of the FPC body covers the FPC body, so that the connecting part can be connected with the FPC body, and the FPC body can be used for limiting the warping problem of the bending part. Therefore, the risk of warping of the FPC branches can be reduced, and the reliability of the battery module is improved.
Owner:BEIJING CHEHEJIA AUTOMOBILE TECH CO LTD

Thermistor mounting method and related equipment

The invention discloses a thermistor mounting method and related equipment. The thermistor mounting method comprises the following steps: applying micro-power alternating bias excitation to a thermistor to obtain cold-state thermal resistance reference data; mounting a thermistor on the surface of the solder paste, collecting real-time resistance data in a temperature rise process, and performing normalized difference according to cold-state thermal resistance reference data to obtain a normalized dynamic resistance curve; performing derivative continuity and extreme value distribution analysis on the curve to obtain a wetting connectivity index; when the wetting connectivity index reaches a preset threshold value, executing second-order extreme value spacing analysis to obtain interface heat flux density distribution, calculating an interface thermal resistance dispersion vector field, and adjusting the transmission chain speed and furnace chamber airflow parameters according to the interface thermal resistance dispersion vector field; and a backtracking dynamic resistance curve is obtained in the cooling process, and the backtracking dynamic resistance curve and the standardized dynamic resistance curve are differentiated to obtain a curing quality factor. According to the invention, real-time identification in a defect germination stage and instant correction in a solder solidification window stage in a thermistor mounting process can be realized, and the mounting quality and reliability are improved.
Owner:SHENZHEN KANGTAI SONGLONG ELECTRONIC TECH CO LTD

Lightning impulse protection device for transformer

The utility model provides a lightning impulse protection device for a transformer, and relates to the technical field of lightning arresters, the lightning impulse protection device for the transformer comprises a mounting plate, two ends of the mounting plate are respectively provided with a protection mechanism, the protection mechanism comprises two rectangular blocks, the inner walls of the two rectangular blocks are rotatably connected with a rotating shaft, and the rotating shaft is connected with the mounting plate. A rotating shaft is arranged on the outer side of the screw rod, a coil spring is arranged on one side of the rotating shaft, an L-shaped rod is fixedly connected to the outer surface of the rotating shaft, and a piston block is rotationally connected to one end of the screw rod. The piston block slides on the inner wall of the rectangular groove by rotating the screw rod, so that the airbag sheet deforms and expands outwards, the outer side of the joint of the lightning arrester body and the high-voltage line is wrapped and protected, the influence of rain and sun on the outer side of the joint of the high-voltage line and the lightning arrester body is reduced as much as possible, the service life of the lightning arrester body is prolonged, and the use effect of the lightning arrester body is improved.
Owner:ZHENJIANG DAQO POWER TRANSFORMER CO LTD

Systems and methods for electrical element for inverter for electric vehicle

A system includes an inverter configured to convert DC power from a battery to AC power to drive a motor, wherein the inverter includes: a power module, the power module including a thermistor assembly, the thermistor assembly including: a conductive layer including a trench; a thermistor connected to the conductive layer and disposed across the trench; and a first height control feature between the conductive layer and the thermistor.
Owner:BORGWARNER US TECHNOLOGIES LLC

Resistor carrier, resistor pin bending system and resistor pin bending method

The invention discloses a resistor carrier, a resistor pin bending system and a resistor pin bending method. The resistor carrier comprises a support body which is strip-shaped and has two opposite sides in the width direction of the support body; and the retaining structure is positioned on the top surface of the support body and is used for retaining the resistor body of the resistor. When the resistor body of the resistor is held in the holding structure, a pair of pins of the resistor are suspended above the top surface of the supporting body and extend out of the two sides of the supporting body respectively, so that the pins of the resistor are allowed to be bent relative to the resistor body. According to the resistor pin bending system, automatic bending of the resistor pin can be achieved, the resistor pin bending efficiency is improved, automatic flow line production of electronic products can be achieved, and the production efficiency of the electronic products is greatly improved.
Owner:TYCO ELECTRONICS (SHANGHAI) CO LTD +1

A high-voltage surge arrester with high seismic resistance

This invention discloses a high-vibration-resistant high-voltage surge arrester, specifically relating to the field of surge arrester technology. It includes a surge arrester body, a buffer assembly, and an adjustment assembly. Through the buffer assembly, this invention can release the blockage of the vent hole when the surge arrester body experiences severe, large-amplitude vibrations. It can adjust the buffer rigidity, allowing the first piston to continue moving downwards for buffering, thus improving the buffering effect. Furthermore, as the first piston moves to the bottom of the first chamber, it gradually blocks the connecting hole, acting as a throttling device, gradually reducing the oil output within the connecting hole. This further slows the descent speed of the first piston, thus providing multi-stage buffering. This prevents buffer failure and impacts under large-amplitude vibrations, further improving the buffering effect and extending the service life of the surge arrester.
Owner:NANYANG ZHONGWEI ELECTRIC CO LTD

Vehicle-mounted lightning arrester

The invention relates to the technical field of rail transit vehicle power supply protection, in particular to a vehicle-mounted lightning arrester which comprises a body, a base, a sealing cavity, a flow guide passage and a restraint mechanism, and when pressure in the sealing cavity reaches the opening condition of a pressure relief opening and under the action of directional jet flow formed by a jet opening, the body is separated from a limiting piece; and the rotating shaft rotates towards the off-position direction around the rotating supporting part. According to the application, destructive voltage breakdown is taken as an action power source, gas is generated and rapidly expanded due to electric arc during breakdown of the sealing cavity in the body, after the cavity pressure rises to a set threshold value, the pressure relief opening with the pressure opening characteristic is selectively opened, and expanded gas is directionally discharged from the spraying opening along the flow guide passage; the offset of the spraying port relative to the rotary supporting part converts the spraying momentum into a dumping moment to the body, so that the body is quickly and certainly switched to the off position from the working position under the condition of no additional operation, the electric connection interruption with the high-voltage conductor is formed, and the risk of secondary pressurization of the reclosing is reduced.
Owner:XIAN TECH UNIV

Production method of partitioned resistance chip high-power resistor and high-power resistor

The present application relates to the technical field of high-power resistor, conductive connection, electrothermal technology, and provides a production method of a high-power resistor with separated resistor sheets and the high-power resistor. The method comprises: processing a metal material through a laser device to make a resistor shell with convection heat dissipation holes; processing a plurality of cuboid-shaped resistor sheets, each resistor sheet being provided with an insulating support at an end portion and being capable of being connected in series and parallel according to resistance requirements as an independent resistance unit; and installing the resistor sheets into the shell at intervals to form a convection space of a preset height between adjacent resistor sheets, which is communicated with an external environment through the convection heat dissipation holes. The method of the present application obtains a high-power resistor composed of independent resistance units through a separated design and convection heat dissipation, effectively reduces the thermal load and energy consumption of the high-power resistor, and prolongs the service life.
Owner:SHENZHEN ZENITHSUN ELECTRONICS TECH CO LTD

Stable and reliable chip resistor

This utility model discloses a stable and reliable surface mount resistor, belonging to the field of surface mount resistor technology. It includes a surface mount resistor body, with an upper mounting plate and a lower mounting plate respectively positioned above and below the body. Two sets of support rods are fixedly connected to the upper surface of the lower mounting plate, with the top of each set of support rods contacting the bottom surface of the upper mounting plate. Each set of support rods has a snap-fit ​​groove at its top. Two sets of snap-fit ​​blocks are fixedly connected to the bottom surface of the upper mounting plate. This stable and reliable surface mount resistor, through the coordination of the surface mount resistor body, upper mounting plate, lower mounting plate, support rods, snap-fit ​​grooves, snap-fit ​​blocks, and limiting frame, conveniently and stably utilizes heat dissipation and heating structures to improve the working environment of the surface mount resistor body. Furthermore, by utilizing a heating element, a semiconductor cooling element, and a temperature sensor, it strives to ensure that the surface mount resistor is in a constant temperature environment, thus enabling stable and reliable use of the surface mount resistor.
Owner:SHENZHEN LI KUN TECH CO LTD

A single-column multi-parallel independent unit lightning arrester

The present application relates to the field of lightning arresters, and specifically discloses a single-column multi-parallel independent unit lightning arrester, comprising a first unit and a second unit; the first unit comprises a first upper hardware, a first insulating jacket, and a first lower hardware connected in sequence, a first resistor, a first metal pad, and a first electrode are sequentially arranged inside the first insulating jacket along the direction from the first upper hardware to the first lower hardware, a wire is connected between the first upper hardware and the first lower hardware, the wire is passed between the first resistor, the first metal pad, and the first electrode, and a second insulating tube is arranged on the outside of the wire; the second unit comprises a second upper hardware, a second insulating jacket, and a second lower hardware connected in sequence, a second resistor, a second metal pad, and a second electrode are sequentially arranged inside the second insulating jacket along the direction from the second upper hardware to the second lower hardware. The present application sets up multiple parallel independent unit lightning arresters in one place, which is suitable for places with high protection performance requirements and difficult maintenance.
Owner:WENZHOU YIKUN ELECTRIC

Potentiometer structure capable of being quickly assembled

The utility model relates to the technical field of potentiometers, and discloses a potentiometer structure capable of being quickly assembled, which comprises a potentiometer body, a potentiometer shell is fixedly mounted on the outer surface of the potentiometer body, and a quick fixing component is arranged on the potentiometer shell. The rapid fixing assembly is used for rapidly and firmly fixing the potentiometer body in a mounting hole in a PCB, the rapid fixing assembly comprises a sliding block, a fixing ring, arc-shaped supporting plates, a trapezoidal groove, a locking groove and a fixing cutting edge, and the multiple arc-shaped supporting plates arranged in the rapid fixing assembly are used for fixing the potentiometer body; the problems that in a traditional mode, when a potentiometer is installed, only pins of the potentiometer are inserted into a PCB to be fixed, when a rotating shaft of the potentiometer is subjected to swing force forming a certain angle with the axial direction, contact force between a movable contact in the potentiometer and a resistor body is affected, the surface of the resistor body is damaged, adjustment fails and the like are solved. And the service life of the potentiometer is further influenced.
Owner:GUANGDONG RUI CHUANGXIN ALLOY BRUSH CO LTD

Valve bank and valve tower

The invention provides a valve group and a valve tower, and belongs to the field of semiconductor devices. The valve group comprises coolers arranged at intervals in the thickness direction, damping capacitors and damping resistors, the damping capacitors are arranged between every two adjacent coolers in a crossing mode, capacitor supports used for installing the damping capacitors are arranged on the side faces of the coolers, and the two ends of each damping capacitor are connected with the capacitor supports on the two coolers respectively. In the two capacitor supports at the two ends of the damping capacitor, one is a conductive support, the other is an insulating support, one end of the damping capacitor is communicated with the corresponding cooler through the conductive support, the other end of the damping capacitor is communicated with one end of the damping resistor through a wire or a conducting bar, and the other end of the damping resistor is communicated with the cooler where the insulating support is located. The valve tower comprises the valve group. The valve bank is integrally designed, so that the structure of the valve bank is more compact, and the area required for construction of a valve tower is reduced.
Owner:XJ ELECTRIC CO LTD

High-temperature-resistant winding resistor device

The utility model discloses a high-temperature-resistant winding resistor device which comprises a ceramic winding reel, two ends of the ceramic winding reel are fixedly connected with pin caps, the circumferential outer wall of the ceramic winding reel is connected with a resistance wire in a winding mode, a contact pin is arranged between the ceramic winding reel and the pin caps in a penetrating mode, the outer side of the resistance wire is sleeved with an insulating shell, and the outer side of the insulating shell is sleeved with an insulating sleeve. A plurality of heat dissipation fins are clamped on the outer wall of the circumference of the insulating shell, and a plurality of heat dissipation holes are formed in the circumference of the insulating shell. According to the utility model, heat generated by the resistance wire is efficiently transmitted to the insulating shell through the insulating heat-conducting glue, and then is dissipated into the air through the heat dissipation fins, so that the resistance wire is subjected to heat dissipation and cooling at a high speed, and meanwhile, the heat of the resistance wire is dissipated from the heat dissipation holes, so that the resistance wire is better subjected to heat dissipation and cooling, and the service life of the resistance wire is prolonged. Therefore, the resistance device is prevented from generating stress due to high-temperature expansion, the resistance wire is prevented from loosening and deforming, and the precision and stability of the resistor are prevented from being reduced.
Owner:TAIZHOU JINGZE ROAD NEW MATERIALS TECHNOLOGY CO LTD

Electronic device

An electronic device includes: a plurality of electronic components, each including a pair of terminals; a support member including a support surface that supports the plurality of electronic components; a wiring layer formed on the support surface; and a sealing resin covering each of the plurality of electronic components. The wiring layer includes a first wiring section to which one of the pair of terminals of each of the plurality of electronic components is bonded. Electrical characteristics of the plurality of electronic components are equivalently represented by a single circuit symbol in a circuit diagram.
Owner:ROHM CO LTD

Chip zinc oxide piezoresistor

The utility model discloses a surface-mounted zinc oxide varistor which comprises a voltage-sensitive ceramic chip, surface electrodes and side electrodes positioned on the upper side and the lower side or the lower side of the surface electrodes are arranged on bosses at the two ends of the voltage-sensitive ceramic chip along the length direction, and the side electrodes are used for adhering and positioning solder paste during reflow soldering, can be horizontally laid on a PCB (Printed Circuit Board) and are prevented from rolling. According to the utility model, the bosses at the two ends of the pressure-sensitive ceramic chip increase the distance between the side electrodes and different side surface electrodes to exceed the shortest distance between the two surface electrodes, so that the problems of short distance and pressure-sensitive voltage drop caused by the side electrodes are avoided; and the pressure-sensitive ceramic chip is provided with a boss height interval when being welded on the PCB so as to prevent solder paste from polluting the ceramic body at the lower side edge.
Owner:KUSN WANFENG ELECTRONICS

Quick replacing device for locomotive brake resistor

The utility model discloses a locomotive brake resistor quick replacement device, which relates to the technical field of brake resistor replacement devices and comprises a mounting frame, mounting openings are formed in two sides of the mounting frame in a penetrating manner, fixing mechanisms are arranged in the mounting openings, and a wire placement groove is formed in the back surface of the mounting frame. The fixing mechanism comprises a mounting groove formed in the inner bottom wall of the mounting opening, clamping plates are arranged in the mounting groove, and symmetrical limiting clamping strips are arranged on the upper surfaces of the two clamping plates. According to the quick replacing device for the locomotive brake resistor, due to the arrangement of the fixing mechanism, the clamping plates on the two sides are pushed under the action of the spring to clamp and fix the brake resistor device in the mounting frame, so that the brake resistor device can be mounted and dismounted, and when the brake resistor device is dismounted, the push rod is pushed to drive the clamping plates to move in the mounting grooves; and the brake resistor can be taken out from the mounting frame, so that the replacement efficiency of the brake resistor is improved while the operation is simple.
Owner:CRRC DALIAN CO LTD

High-temperature-resistant and corrosion-resistant ceramic resistor

The high-temperature-resistant and corrosion-resistant ceramic resistor comprises a ceramic resistor, the ceramic resistor is placed in a support, first placing grooves are formed in the centers of the two sides of the support, pins of the ceramic resistor are placed in the first placing grooves, through grooves are formed in the centers of the two ends of the support, and second heat dissipation assemblies are arranged in the through grooves. A plurality of clamping grooves are formed in the two ends of the bottom of the inner surface of the support, first heat dissipation pieces are connected to the clamping grooves in a clamped mode, second heat dissipation assemblies are arranged at the two ends of the support where the ceramic resistor is installed, and heat generated in the working process of the ceramic resistor is guided into sliding blocks through heat conduction plates through the second heat dissipation assemblies; and the heat is finally guided into the second cooling fins, and is guided out through the second cooling fins, so that the bracket is provided with a corresponding heat dissipation mechanism, the heat dissipation of the ceramic resistor is carried out, and the heat dissipation of the ceramic resistor is prevented from being influenced after the ceramic resistor is mounted through the bracket, so that the high-temperature-resistant characteristic of the ceramic resistor is prevented from being influenced.
Owner:YOUCHUANG RF TECH (JIANGSU) CO LTD

Compact lightning arrester suitable for high-voltage power transmission line

The utility model discloses a compact lightning arrester suitable for a high-voltage power transmission line, which comprises a support seat, an insulating body is embedded in one side of the upper surface of the support seat, and a high-voltage stainless steel connector is embedded in the other side of the upper surface of the support seat. The lower position of the surface of the high-voltage stainless steel connecting body is sleeved with a pillar insulator, the upper position of the surface of the high-voltage stainless steel connecting body is sleeved with a galvanized fitting, and a disconnector is fixedly connected between the insulating body and the high-voltage stainless steel connecting body. The insulating body comprises a first main body, a first mounting plate block, a positioning plate and a first limiting hole; the first mounting plate block is fixedly mounted on the lower surface of the first main body; according to the compact lightning arrester suitable for the high-voltage power transmission line, the mounting position of the insulating body can be adjusted as required, the high-voltage stainless steel connecting body can be more conveniently mounted, and the compact lightning arrester is convenient to disassemble and assemble.
Owner:HANGZHOU YONGDE ELECTRIC APPLIANCES

PT anti-harmonic protection device

The utility model discloses a PT anti-harmonic protection device which comprises three harmonic eliminator bodies arranged in an inner cavity of a box body, the inner cavity of the box body is fixedly connected with a mounting frame, the top of the mounting frame is fixedly connected with three pairs of same limiting sleeves, the bottom of each harmonic eliminator body is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with a power supply. And first sliding grooves are formed in the front face and the back face of the mounting plate correspondingly, inner cavities of the first sliding grooves are slidably connected with clamping plates, and the clamping plates are clamped with the limiting sleeves. The resonance eliminator body is placed at the top of the mounting frame, the shifting block is pressed to enable the clamping plate to enter the inner cavity of the first sliding groove, at the moment, the spring shrinks, when the mounting plate reaches a proper position, the shifting block is loosened to enable the spring to stretch, and the clamping plate is clamped with the limiting sleeve, so that the resonance eliminator is fixed. Therefore, the purposes that the resonance eliminator can be quickly disassembled and assembled through the fixing structure, it is avoided that much time needs to be consumed for disassembling and assembling the resonance eliminator, and the disassembling and assembling efficiency of the resonance eliminator is improved are achieved.
Owner:ANHUI YAZHI ELECTRIC CO LTD

Heat dissipation device of airborne antenna

The invention discloses a heat dissipation device of an airborne antenna, the heat dissipation device is applied to an assembled airborne antenna, the heat dissipation device is arranged in a cavity of the airborne antenna, and a resistor is further arranged in the cavity of the airborne antenna. The heat dissipation device at least comprises an outer shell, a PCB (Printed Circuit Board) and a heat-conducting fin, the heat-conducting fin is arranged on the back of the PCB, pins at two ends of the resistor are welded with a circuit on the PCB, and the resistor is attached to the heat-conducting fin through a groove in the PCB; the heat-conducting fin is connected with the outer shell, so that heat produced by the resistor is transmitted to the surface of the outer shell through the heat-conducting fin when the antenna works, and the outer shell exchanges heat with an external space. According to the embodiment of the invention, the heat dissipation problem of airborne antenna electronic components in a narrow space is effectively solved, and the normal work of the antenna is ensured. Moreover, the heat dissipation device is simple in structure and easy to assemble, does not need other auxiliary equipment, and is low in use cost.
Owner:THE 20TH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY GROUP CORP

Resistor

The utility model discloses a resistor, which solves the problem that severe environments such as strong earthquakes, strong wind speeds and the like are difficult to resist due to a connection mode between existing resistor box bodies, and specifically comprises N resistor box bodies provided with resistor bodies and N-1 connecting components, and N is a positive integer greater than or equal to 2; the N resistor box bodies are connected in series or in parallel through N-1 connecting assemblies; a wire inlet sleeve and a wire outlet sleeve are arranged on the side wall of each resistor box body; the connecting assembly comprises a bus, a first U-shaped connecting line and a second U-shaped connecting line; one end of the first U-shaped connecting line is connected with one end of the bus; one end of the second U-shaped connecting line is connected with the other end of the bus; and the other end of the first U-shaped connecting wire and the other end of the second U-shaped connecting wire are respectively connected with the internal resistor body through the wire inlet sleeve and the wire outlet sleeve on the two corresponding resistor box bodies.
Owner:XIAN ZHIXIN ELECTRIC CO LTD

Method for manufacturing a printed circuit board using a mold for conductor elements

Method for manufacturing a printed circuit board (1) with at least one conductor element (2) extending in the printed circuit board (1) between connection points (1d), comprising the steps: a. Step A: Provide a form (3) with at least one recess (3c) for a conductor element (2). b. Step B: Arranging a conductor element (2) in the receptacle (3c) of the mold (3). c. Step C: Connecting the conductor element (2) arranged in the recess (3c) of the mold (3) to an electrically conductive surface element (5) at the positions of the provided connection points (1d). d. Step D: Embedding the conductor element (2) connected to the electrically conductive surface element (5) in insulating material (7) to form the printed circuit board (1). e. Step E: Extracting the connection points (1d) from the electrically conductive surface element (5) by locally removing surrounding sections of the electrically conductive surface element (5), preferably by etching.
Owner:JUMATECH

Connector with integrated thermal cutoff device for battery packs

A temperature-sensitive battery connector is disclosed. The connector can include a connector body and at least one conductor attached to the connector body and configured to conduct a current signal used to measure voltage from a battery pack or battery cell to a battery management system (BMS). The connector can include a thermal switch device attached to the connector body and thermally coupled to a terminal of the battery pack or battery cell. The thermal switch device can be configured to provide an overtemperature signal to the BMS by altering or interrupting current conducted by the at least one conductor when the temperature of the battery pack or battery cell exceeds a threshold temperature.
Owner:BOURNS INC

Overvoltage protector

The invention belongs to the technical field of overvoltage protection, and particularly relates to an overvoltage protector which comprises a base, the base and a shell form a communicated sealing cavity, the sealing cavity is filled with inert gas, a flexible retaining sleeve is arranged outside a resistor disc set, a positioning pressing plate is arranged on the lower portion of the flexible retaining sleeve, and the resistor disc set is arranged on the positioning pressing plate. A low-voltage power connection column connected with the resistor disc set is arranged in the middle of the positioning pressing plate, an air exhaust assembly used for supplying inert gas to the resistor disc set is arranged outside the low-voltage power connection column, a control module in the air exhaust assembly is connected with the low-voltage power connection column in parallel, and a gas loop communicated with an inner cavity of the base is formed in the shell; through cooperation of the structure, resistance sheet mechanical stress damage caused by external force is avoided, meanwhile, inert gas circulation is triggered through voltage signals through the air exhaust assembly, the heat dissipation efficiency is improved, and resistance sheet damage caused by heat accumulation is avoided.
Owner:SHAANXI GUANGDA YONGJI ELECTRICAL APPLIANCES CO LTD

Lightning arrester and insulating pull rod thereof

The utility model relates to a lightning arrester and an insulation pull rod thereof, the lightning arrester comprises the insulation pull rod, the insulation pull rod is a split type rod body, the split type rod body comprises a rod body first segment, a rod body second segment and a rod body third segment, the rod body first segment and the rod body third segment are metal rod bodies, and the rod body second segment and the rod body third segment are metal rod bodies. The second rod body section is an insulating rod body, the first rod body section is used for being connected with an upper gland of a lightning arrester core body through a metal nut, the third rod body section is used for being connected with a lightning arrester base through a metal nut, the first rod body section is fixedly connected with the second rod body section, and the second rod body section is fixedly connected with the third rod body section. Therefore, the insulation pull rod provided by the utility model can be ensured to have better insulativity, and meanwhile, the connection of the metal rod body and the metal nut can effectively prevent the matching damage of the insulation pull rod and the insulation pull rod nut possibly caused when the pull force applied to the insulation pull rod is too large, so that the normal service life of the lightning arrester is ensured.
Owner:HENAN PINGGAO ELECTRIC

A shunt resistor

The utility model provides a kind of shunt resistor, it includes: resistor body, insulating support, two electrodes and pin.The two electrodes are respectively arranged at the both ends of resistor body, and mounting through hole is set on each electrode;Pin is worn and is arranged mounting through hole, pin has starting end and tail end, starting end is exposed outside mounting through hole, tail end is welded together with mounting through hole, and tail end is equipped with a root gap near the edge of mounting through hole;Insulating support includes pad and multiple profiling buckles on pad and anti-deviation column.Pin is worn and is arranged mounting through hole, compared with blind hole, mounting through hole gives pin greater contact area, pin is not prone to deviation, and fixed connection is more reliable by welding, pin is not prone to fall off;Insulating support and resistor body and electrode keep close, provide support and place repair resistance when resistor body occurs deformation, profiling buckle and anti-deviation column cooperate and limit two electrodes, prevent external force from leading resistance to occur deformation in the process of fixed pin.
Owner:SHENZHEN YEZHAN ELECTRONICS

Aluminum shell resistor

The utility model discloses an aluminum shell resistor, which belongs to the related field of resistor processing technology, and comprises an aluminum shell and a porcelain base body, the porcelain base body is fixedly arranged at the middle position of the inner side of the aluminum shell, screw rods are fixedly arranged at the middle positions of the outer surfaces of the two ends of the porcelain base body, and connecting sheets are arranged between the aluminum shell and the screw rods. The screw rod is installed in the middle of the connecting piece in a penetrating mode, and quartz sand is filled between the aluminum shell and the porcelain base body. Cylindrical mica blocks are installed on the inner sides of the two ends of the porcelain base body, one end of the screw penetrates through the middle positions of the cylindrical mica blocks, and a mica plug is installed on the inner side of the aluminum shell. A traditional wire body connecting structure is replaced, so that the resistor core is in a stable and centered state, the insulation performance of the resistor core is improved, the phenomenon that the lead is damaged in the production and transfer process is avoided, the problem that the withstand voltage is reduced due to the fact that the resistor core moves in the production process is solved, and the withstand voltage performance is improved.
Owner:VICTORY CHINA FAR EAST ELECTRONICS

Lightning arrester core fixed based on insulating rod and assembly method thereof

The invention provides a lightning arrester core fixed based on an insulating rod and an assembly method thereof, which are used for solving various problems of a traditional metal oxide lightning arrester core. According to the lightning arrester core body fixed based on the insulating rods, the first groove and the second groove are matched and clamped with the Y-shaped clamping heads at the two ends of the insulating rods, and the core body is fixed through the plurality of insulating rods, so that the additional arrangement of structures such as an insulating cylinder is avoided, and the volume of the lightning arrester core body is reduced; meanwhile, the axial displacement of the insulating rod in the assembling and using processes is effectively avoided, so that the close contact among a plurality of resistor discs is ensured; compared with the prior art, the resistor discs pressed in a Y-shaped clamping mode are higher in stability, the plurality of resistor discs are in closer contact and do not generate gaps, and when the outer sides of the resistor discs are directly wrapped with the rubber jackets, rubber is not prone to permeating into the space between every two adjacent resistor discs.
Owner:XIAN ZHIXIN ELECTRIC CO LTD

Resistor arrangement for step switches and step switches

Resistor arrangement (10) for a tap changer (1) for uninterrupted switching between winding taps of a transformer, the resistor arrangement (10) comprising at least one resistive element (20) which is held by at least two resistive holders (30), characterized by: - a base plate (11) with at least one opening (12) on which the at least two resistance holders (30) for receiving the resistance element (20) are arranged; - a guide (31) formed in each resistance holder (30), wherein each guide (31) positions a first end (201) or a second end (202) of the resistance element (20) with respect to a longitudinal direction (L) between the two resistance holders (30), and wherein the resistance element (20) can be inserted through the opening (12) into each of the guides (31); and - two contact points (24) of the resistance element (20) which, when a resistance element (20) is inserted into the resistance holder (30), can be electrically contacted by a respective contact (40) of the tap changer (1).
Owner:MASCHFAB REINHAUSEN GMBH