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59 results about "Shunt (electrical)" patented technology
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In electronics, a shunt is a device which creates a low-resistance path for electric current, to allow it to pass around another point in the circuit. The origin of the term is in the verb 'to shunt' meaning to turn away or follow a different path.
Charger test method and system
The invention relates to the field of electrical measurement and electronic test equipment, and discloses a charger test method and system. The method comprises the following steps: acquiring a parameter configuration set and a baseline condition, and generating a probe and interface configuration structure under a four-wire system measurement site, protocol abstraction card mapping and shunting and Hall channel combination condition; performing unified time reference binding and event labeling table initialization, locking a time base by a real-time clock of the microcontroller unit, broadcasting the time base to a channel and a controller, executing temperature rise constrained load arrangement and synchronous acquisition, and generating an acquisition preparation packet; and electrical transient and thermal feature extraction and electrical decoupling fusion are executed, and consistency judgment, threshold comparison and report generation are completed. According to the invention, by establishing a unified time base architecture of electricity and heat dual-domain synchronization, multi-channel consistent acquisition and real-time self-diagnosis are realized, the precision, traceability and automation level of a charger test process are improved, and the method is suitable for comprehensive test and evaluation of various types of electronic equipment.
Owner:WUXI RUIHENG ELECTRONIC TECH CO LTD
Electrical performance testing device for shunt trip coil
The invention discloses an electrical performance testing device of a shunt trip coil, and belongs to the technical field of electrical performance testing. Comprising a detection base and a servo telescopic rod, a heating module is fixedly installed at the output end of the servo telescopic rod, a horizontally-arranged lifting mechanism used for placing a shunt trip coil is arranged through the heating module, and a turnover mechanism capable of rotating by 180 degrees around a shaft is arranged in the middle of the outer side edge of the lifting mechanism. The air supply module is arranged on one side of the turnover mechanism, the detection mechanism is arranged on the other side of the turnover mechanism, the condensation simulation environment and real-time mechanical performance detection are integrated, and the limitation that in a traditional shunt trip coil test, mechanical output force attenuation cannot be synchronously detected in the continuous process of a severe environment is solved; the spraying mechanism is matched with the turnover mechanism capable of rotating around the shaft in multiple directions, so that dynamic and uniform condensation coverage simulation on the surface of the coil is realized.
Owner:XIAMEN APG ELECTRIC
Ring design for capsulotomy device
A device is described herein for performing capsulotomies that improves temperature uniformity and current flow around a cutting element of the device. The device includes a series of features whose geometries help remove cold and / or hot spots from the cutting element while maintaining the mechanical strength of the cutting element. In an embodiment, a device includes a cutting element and one or more electrical leads for providing an electrical discharge to the cutting element. The device further includes wire tabs configured to conductively couple an electrical lead to cutting element. Each wire tab includes a central conductive path and one or more conductive shunt paths conductively separated by one or more slots. The device further includes anchor tabs that are each associated with a slot disposed along the circumference of the cutting element and positioned to at least partially separate an anchor tab from a portion of the cutting element.
Owner:CENTRICITY VISION INC
Dynamic range current measurement module
ActiveCN223400974UAltering measuring range circuitsMeasurement using digital techniquesElectrical resistance and conductanceComputational physics
The utility model discloses a dynamic range current measurement module which comprises a shunt resistance switching unit, a 24-bit precision ADC unit, an MCU processing unit, a crystal oscillator unit, an isolation unit, a 485 interface unit and a power supply unit. The shunt resistor switching unit is used for dynamically selecting shunt resistors with different resistance values according to the magnitude of the current to be measured so as to realize current measurement in a range of 10 uA to 10 A, the shunt resistor of 1 ohm is used in a range of 10 uA to 20 mA, and the shunt resistor of 10 m ohm is used in a range of 20 mA to 10 A; the 24-bit precision ADC unit is used for collecting the analog current signal passing through the shunt resistor and converting the analog current signal into a digital signal; according to the utility model, the dynamic range current measuring module is provided, so that when the current measuring range span is large, the measuring range can be automatically switched, and a tester does not need to replace testing equipment with different measuring ranges; measurement data can be continuously acquired; the electrical isolation loop allows the measurement point to be arranged at any position: a power supply or return wire, measuring part or all of the current.
Owner:GONGZHI YUKONG TECH (SUZHOU) CO LTD
Shunt release and splicing structure of shunt release and circuit breaker
ActiveCN223140697UProtective switch operating/release mechanismsCircuit-breaking switch contactsLap jointControl theory
The utility model provides a shunt release and a splicing structure of the shunt release and a circuit breaker, and relates to the technical field of electrical equipment, and the shunt release comprises a housing, an operating mechanism, a movable contact piece and a static contact piece. The operating mechanism comprises a handle, a connecting rod, a jump pin, a lock catch and a contact support, the handle is rotationally connected to the shell, the contact support is rotationally connected to the shell, the lock catch is rotationally connected to the contact support, the jump pin is rotationally connected to the contact support, and the jump pin is in lap joint with the lock catch; the lock catch is provided with a clamping groove, and a part of the contact support is located in the clamping groove. The other end of the connecting rod is rotationally connected with the handle; the moving contact is connected to the contact support; the static contact is connected to the shell; the handle can rotate between a first position and a second position so as to drive the movable contact piece to be in contact with or separated from the static contact piece. According to the shunt release, the contact support is directly connected to the shell through the first connecting shaft, a supporting piece is omitted, the number of parts is reduced, and the cost of the shunt release is reduced.
Owner:DELIXI ELECTRIC
Current detection circuit
ActiveUS12504445B2Base element modificationsCurrent measurements onlyElectrical connectionHemt circuits
Owner:TOYOTA INDUSTRIES CORP
Static contact assembly and molded case circuit breaker
ActiveCN223598643UCircuit-breaking switch detailsProtective switch terminals/connectionsElectric power systemEddy current
The utility model relates to the field of low-voltage electrical technology of an electric power system, in particular to a static contact assembly and a molded case circuit breaker, a static contact body is composed of an inverted Z-shaped connecting part and an inverted U-shaped contact part, a static contact is arranged on the top end face of the contact part, an arc striking sheet is connected to the lower surface of the static contact body, and the arc striking sheet is connected to the lower surface of the static contact body. The arc striking piece is located at the front end of the static contact and used for pointing to arc striking of an arc extinguish chamber, and the magnetic increasing pieces are connected to the contact part and located on the two sides of the upper portion of the static contact, so that magnetic field distribution is facilitated, the electric repulsive force of a moving contact conducting rod can be greatly increased, the molded case circuit breaker can act faster and more reliably when overload or short circuit or other abnormal conditions happen, and the service life of the molded case circuit breaker is prolonged. Therefore, a better protection effect is provided, the breaking capacity of the molded case circuit breaker is improved, the magnetic increasing sheet is sleeved with the insulating part, current between different potentials is effectively isolated, eddy current is inhibited, electric leakage or short circuit is prevented, the safety of the molded case circuit breaker is improved, and the service life of the contact is prolonged.
Owner:ANHUI XINLONG LOW VOLTAGE ELECTRIC CO LTD
Current contactor with integrated shunt resistor and method for producing current contactor
PendingCN121306858AThermometers using electric/magnetic elementsUsing electrical meansElectrical resistance and conductanceElectrical connection
The invention relates to a current contactor comprising a first contact element and a second contact element and an electrically conductive connecting element. The current contactor further comprises an actuator configured to move the connecting element between a closed state in which an electrically conductive connection is formed between the first contact element and the second contact element via the connecting element and an open state in which the first contact element is electrically connected to the second contact element via the connecting element. An electrically conductive connection is not formed between the first contact element and the second contact element by the connecting element. At least one measuring member of the connecting element is configured to measure an electrical resistance. The current contactor further comprises a measuring line which is electrically conductively connected to different ends of the measuring member such that a voltage falling at the measuring member due to a current flowing through the measuring member can be measured by means of the measuring line.
Owner:BAYERISCHE MOTOREN WERKE AG
Power semiconductor module having interference-insensitive measurement
PendingCN121889682ABase element modificationsCurrent measurements onlyElectrical polarityControl theory
The invention relates to a power semiconductor module having a power current path (17) in which a shunt resistor (1), in particular a resistor less than or equal to 50 milliohms, is arranged, the shunt resistor (1) having two mutually spaced main measuring contacts (2, 3) of different polarities (+,-) and an auxiliary measuring contact (4) being arranged immediately adjacent to the shunt resistor (1), the auxiliary measuring contacts are not directly electrically connected to the shunt resistor, and wherein a measuring line (20, 21, 22) leads from each measuring contact (2, 3, 4) to the evaluation unit (6) and forms a loop (18, 19) having an approximately identical area.
Owner:SIEMENS AG
Connector device
ActiveCN223713105UCoupling contact membersTwo-part coupling devicesElectrical connectionStructural engineering
The utility model relates to the technical field of electrical equipment, in particular to a connector device which comprises a socket assembly and a plug assembly. The socket assembly comprises a socket shell, a terminal structure and a full-section shielding cover, and the full-section shielding cover is arranged around the terminal structure; the plug assembly comprises a plug shell and a plug terminal, and when the plug shell is connected with the socket shell, the whole-section shielding cover is at least partially arranged around the plug terminal; wherein the terminal structure comprises a fuse and a shunting terminal, and the fuse and the shunting terminal are used for being electrically connected with the plug terminal respectively. According to the connector device provided by the embodiment of the invention, through the arrangement of the whole-section shielding cover and the cooperation of the fuse and the shunting terminal, the signal shielding protection function of the connector device can be realized, the integration degree of the connector device can be improved, the overall structure is more compact, and the use effect is good.
Owner:PHOENIX ASIAN PACIFIC ELECTRIC NANJING
Shunt excitation auxiliary integrated accessory for molded case circuit breaker
ActiveCN223363092USwitching device condition indicationProtective switch operating/release mechanismsTorsion springRocker arm
The utility model relates to the field of low-voltage electric appliances, in particular to a shunt auxiliary integrated accessory for a molded case circuit breaker, which comprises a shell and an upper cover provided with a groove. A shunt auxiliary assembly is arranged in the groove, the shunt auxiliary assembly comprises a shell, and a first microswitch and a second microswitch are arranged in the shell; a swing rod is arranged on one side of the first microswitch and one side of the second microswitch and connected with the shell through a third torsional spring. A shunt excitation coil is also arranged in the shell; a rotating piece is arranged on one side of the shunt excitation coil; the rotating piece is connected with the shell through the spring, and the shunt release and the auxiliary contact are integrally designed, so that the cost is saved, and the space is saved.
Owner:ZHEJIANG DONGAN ELECTRICAL
Rapid cleaning device for distribution line insulator
The invention relates to the technical field of insulator cleaning, and discloses a distribution line insulator rapid cleaning device which comprises an incomplete annular frame and an incomplete rotating frame, an incomplete annular block is installed on the outer wall of the incomplete rotating frame, and an incomplete annular groove in sliding fit with the incomplete annular block is formed in the incomplete annular frame; a plurality of groups of brackets are mounted on the inner wall of the incomplete annular frame, each group of brackets comprises two brackets, rotating air pipes are rotationally arranged on the two brackets, the rotating air pipes are connected with a flow dividing barrel, a plurality of groups of annularly distributed air bag bristles are connected to the outer wall of the flow dividing barrel, and the outer walls of the air bag bristles are wrapped with friction sleeves; according to the insulator cleaning device, insulator dirt thrown out by the air bag bristles can be prevented from splashing all around, the thrown-out dirt is prevented from falling on the surfaces of other insulators or electrical equipment, the cleaning effect is improved, meanwhile, the hardness of the air bag bristles can be adjusted according to the dirt condition of the insulators to meet the cleaning requirement, and the brush mechanism does not need to be frequently replaced.
Owner:STATE GRID HENAN ELECTRIC POWER CO TONGXU COUNTY POWER SUPPLY CO
An electrical safety wiring device
The application discloses an electrical safety wiring device, which comprises a box body, a front cover plate and a box cover, the box body is used for supporting device elements, the box cover and the front cover plate cover above the box body, the box body is internally provided with a line connection assembly and a cover plate fixing assembly, the box cover is provided with a shunt control assembly and a switch lock assembly, and the application relates to the technical field of electrical wiring and has the following beneficial effects: through the shunt control assembly, after current connection, the relative button is pressed according to the required circuit to be powered on, the power transmission rod is in contact with the power transmission column to be connected, thereby realizing the control of the line, the use of the mode can randomly control the connection state of multiple circuits, the power transmission of the junction box is safer, excessive power waste is avoided, the phenomenon of equipment misoperation does not occur, and the use method is simple and fast.
Owner:HUANENG WEIHAI POWER GENERATION CO LTD
Inspection apparatus and method
A method includes: providing a first semiconductor device including a backside interconnection structure, the first semiconductor device being formed by a semiconductor process; and generating a physical failure analysis model by an inspection process. The inspection process includes: directing an electron beam toward the frontside of the first semiconductor device; and applying an electrical signal to an electrical contact of the first semiconductor device through an electrical path that goes through a shunt board attached to a switchable interface trace bank, the electrical contact being associated with a position of the electron beam. The method further includes: generating a parameter of a revised semiconductor process according to the physical failure analysis model and the semiconductor process; and forming a second semiconductor device by the revised semiconductor process using the parameter.
Owner:TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD
Transient / traveling wave protection method and system for power system and electrical equipment, and terminal equipment
PendingCN121484799AEmergency protection detectionEmergency protection data processing meansElectric power systemTransient waves
The invention discloses a traveling wave / transient state quantity protection method and system for an electric power system and electrical equipment, and terminal equipment. A bypass attenuation effect of a bus stray distribution capacitor on a fault traveling wave / high-frequency transient quantity or a hindering effect of reactance of electrical equipment on the fault traveling wave / high-frequency transient quantity, a refraction and reflection effect of the fault traveling wave / high-frequency transient quantity at a wave impedance discontinuous point and a shunting effect at a branch, and a hindering effect of a wave trapper on a specific frequency band are utilized; the internal relation between the difference value and the average value of the observed values at the two different monitoring points is utilized, the relative gradient or gradient or kurtosis or relative kurtosis or gradient or relative gradient is utilized to calibrate the initial effective action period of the fault traveling wave / transient quantity, and traveling wave / transient quantity protection is constructed. According to the method, the initial effective action period of the fault transient quantity, the effective action period of the fault traveling wave head and the arrival time of the fault traveling wave head are accurately calibrated, and the problem that the arrival time of the traveling wave head cannot be accurately calibrated by traditional transient / traveling wave protection is solved.
Owner:GUILIN UNIV OF ELECTRONIC TECH
Device and circuit board terminal for current measurement
PendingDE102024131742A1Current measurements onlyFixed connectionsElectrical conductorElectrical connection
The invention relates to a technique for measuring an electric current. One aspect of the technique relates to a device (200) with a first and a second connection (102, 104), to each of which at least one conductor can be electrically connected. The device (200) has at least one first connection contact point (112) and at least one second connection contact point (114), which are configured for electrical and mechanical connection to a printed circuit board (20). Furthermore, the device (200) has a shunt resistor (108) with at least one first shunt contact point (116) and at least one second shunt contact point (118). The at least one first shunt contact point (116) is arranged adjacent to the at least one first connection contact point (112). The at least one second shunt contact point (118) is arranged adjacent to the at least one second connection contact point (114).
Owner:PHOENIX CONTACT GMBH & CO KG
Low voltage shunt release
The application discloses a low-voltage split excitation tripping device, which solves the problem of failing to realize tripping at low voltage. The electromagnetic device comprises an electromagnet mechanism and a swing support, the electromagnet mechanism is electrically connected with an input end; the swing support comprises an attraction end, a pressing end and a fulcrum, the fulcrum of the swing support is closer to the pressing end, the swing support is rotatably connected to a shell body around the fulcrum of the middle frame body, the attraction end is in attraction cooperation with the electromagnet mechanism, and the pressing end is in pressing cooperation with a tripping support. The electromagnet mechanism attracts the swing support through electromagnetic force, the attraction end of the swing support is close to or contacts the electromagnet mechanism, the pressing end presses on the tripping support to make the tripping support displace, and the tripping device is tripped; since the fulcrum of the swing support is closer to the pressing end, the electromagnetic attraction force required by the electromagnet mechanism can be smaller to cause the attraction reaction, low-voltage tripping can be realized below 70% of a rated control power voltage, and the safety protection performance of the product is greatly improved.
Owner:YUEQING YIJIN ELECTRONICS CO LTD
Electric spark discharge machining abnormal discharge current detection method and device
PendingCN121892774AElectrical measurement instrument detailsElectrical testingElectric dischargePeak current
The invention relates to an abnormal discharge current detection method and device for electric spark discharge machining, and is applied to the technical field of discharge machining. A direct current-direct current power supply module is adopted as a current detection core element, has a stable voltage output characteristic and is sensitive to current fluctuation response, and a traditional Hall sensor is replaced; the problem of high-precision detection of small current in a strong electromagnetic interference environment is successfully solved; on the basis of current rising edge characteristic differences of abnormal discharge and normal discharge, two key time points are selected for voltage comparison, abnormal states such as excessive arc, arc, short circuit and micro open circuit can be accurately distinguished, and missed judgment and misjudgment are avoided; a reference value lookup table corresponding to different peak currents is established through experimental calibration to adapt to various medium and finish machining parameter scenes; and the detection branch adopts the design of an isolation diode and a current-limiting resistor, and is matched with pulse-type intermittent measurement of a controlled switch tube, so that shunting interference on a main discharge loop is avoided, and the stability of the processing process is ensured.
Owner:ZHUHAI HERUI NEW TECH CO LTD
Protection control system, protection control method, merging unit, and protection control device
PCT designated stageWO2026018484A1Current/voltage measurementEmergency protective arrangements for automatic disconnectionConvertersElectric power system
A protection control system includes: an input conversion substrate 40 that takes in an electric quantity from a power system via at least one of a shunt resistor 10 and a voltage dividing resistor 11, and converts the electric quantity from the power system to an electric signal by achieving electrical insulation by using insulation amplifiers 12 and 13; and a protection control arithmetic means that performs averaging processing 2012 and 2016 for calculating an average value on the outputs of the input conversion substrate 40, subtraction processing 2013 and 2017 for subtracting the average value from each of the outputs of the input conversion substrate 40, and an arithmetic operation for at least one of protection and control of the power system by using the outputs of the subtraction processing 2013 and 2017. This provides a protection control system, a merging unit, and a protection control device each having an excellent input converter.
Owner:HITACHI LTD
High temperature superconductor cable
ActiveUS12394540B2Superconductors/hyperconductorsNuclear energy generationHigh temperature superconductingEngineering physics
A cable for carrying electrical current in a coil of a magnet. The magnet comprises an HTS transport tape and a shunt assembly comprising two or more HTS shunt tapes arranged side-by-side across a face of the transport tape. Each of the transport and shunt tapes comprises a substrate layer and an HTS layer of high temperature superconductor (HTS) material, the layers of the shunt tapes extending parallel to the layers of the transport tape.
Owner:TOKAMAK ENERGY
Switch
The embodiment of the utility model provides a switch, and relates to the field of electrical equipment. The switch comprises a conducting strip, a first static contact piece, a second static contact piece, a first movable contact piece and a second movable contact piece, two opposite ends of the conducting strip are a wire inlet end and a shunting end; the wire inlet end is used for connecting a power inlet wire, and the shunting end is provided with a first shunting part and a second shunting part; the first shunting part is opposite to the first static contact piece, the second shunting part is opposite to the second static contact piece, and the first static contact piece and the second static contact piece are located on the same side of the conductive piece. The first movable contact piece is movably arranged between the first static contact piece and the first shunting part so as to connect or disconnect the first static contact piece and the first shunting part; the second movable contact piece is movably arranged between the second static contact piece and the second shunting part so as to connect or disconnect the second static contact piece and the second shunting part. The switch is simple in structure, convenient to assemble and low in required cost.
Owner:ZHEJIANG DELIXI INT ELECTRICAL
A high current shunt connector
The application provides a large-current shunt connector and relates to the technical field of electrical elements. The large-current shunt connector comprises a bottom plate, slidingly arranged installation plates are arranged on the two side walls of the bottom plate, two installation grooves are formed in the upper end faces of the two installation plates, protrusions are fixedly arranged on the two side walls of the two installation plates, a plurality of first threaded holes are formed in the side wall of each protrusion, a plurality of tough ropes are fixedly arranged on the upper end of the bottom plate. The installation plate, the installation groove, the protrusion, the first threaded hole, the tough rope, the bolt and the second threaded hole can adjust the position of the installation plate, improve the installation range, the first half-ring groove, the first sliding groove, the first sliding block, the first sliding plate and the second half-ring groove can play a simple protection role after the line is installed, and the through groove, the inclined groove, the cloth winding roller, the dustproof cloth, the micro motor, the driving wheel, the belt and the driven wheel can provide an installation space and also can protect and dustproof the connector.
Owner:QINGDAO YUEYANG TECH CO LTD
Structure for quickly connecting conductive shunting sheet with bus in bus duct
ActiveCN224177877UGuaranteed uptimeSolve the problem of rapid online replacement of conductive shuntsTotally enclosed bus-bar installationsBusbarControl theory
The utility model discloses a structure for quickly connecting a conductive shunting sheet with a bus in a bus duct, which comprises the conductive shunting sheet, a metal connecting sheet, the bus and a bolt, the upper part of the conductive shunting sheet is provided with a wiring hole, the middle parts of the conductive shunting sheet and the metal connecting sheet close to the edge of the bus are provided with bolt upper holes, and the lower parts are provided with bolt lower holes. The conductive shunting sheets and the metal connecting sheets clamp the bus in pairs and are fixed together through bolts. According to the utility model, the problem of on-line rapid replacement of the conductive shunting sheet of the connector which is easy to break down on site and is represented by a copper clip form is easily solved. The safe and stable bolt connection between the conductive shunting sheet and the bus is realized with high quality, the electrical load is not reduced after electrification, the power failure is greatly reduced, and the long-term stable operation of a power supply system is ensured. The device is simple in structure and convenient to construct, power supply can be recovered quickly, and the power line repair speed is increased.
Owner:朱勇钢
Modular electric branching device
Owner:GUANGZHOU YUCHENG ELECTRONICS TECH CO LTD
Current sharing system, electronic equipment and current sharing method
PendingCN120979163AApparatus without intermediate ac conversionControl signalReliability engineering
The invention discloses a current sharing system, electronic equipment and a current sharing method, and relates to the technical field of power supplies, an independent analog-to-digital conversion unit is adopted to carry out shunt sampling and quantification on electrical parameters on a connection line between a power supply module and a load interface, the parallelism of signal acquisition and the system response speed are improved, and the system reliability is improved. The control module judges whether the impedance of each line is balanced or not based on the parameters, if the impedance is unbalanced, a control signal is sent to the variable impedance module on the line with the abnormal impedance, the impedance is dynamically adjusted, and finally the impedance of all the parallel branches tends to be consistent, so that automatic balanced distribution of current is realized, and the service life is prolonged. The technical problems of non-uniform current distribution, easy overheating aging and system stability reduction of the parallel power supply module caused by line impedance difference are solved, and the beneficial effects of improving the overall efficiency of the system, prolonging the service life of the module and enhancing the operation stability are achieved.
Owner:LANGCHAO ELECTRONIC INFORMATION IND CO LTD
A manganese-copper alloy with a negative temperature coefficient of electrical resistance, its production process, and its use
PendingDE112023003938T5Furnace typesHeat treatment furnacesElectrical resistance and conductanceManganese
The present invention relates to a manganese-copper alloy with a negative temperature coefficient of electrical resistance, as well as its production process and use. The mass fraction of the alloy components is 10% to 15% Mn, 2% to 5% Ni, 1% to 5% of additional element X, and the remainder is Cu, with Mn, Ni, and X all dissolved in a copper-based solid solution with a face-centered cubic structure. The specific electrical resistance of this alloy is 0.4 to 0.5 µΩ m, the average temperature coefficient of electrical resistance is -60 to -100×10-6 / °C (-20 to 120°C), and the thermoelectric voltage with respect to copper is ≤ 0.5 µV / °C. The alloy is suitable for the production of high-precision shunt resistors using the joining-welding technique.
Owner:CHONGQING CHUANYI AUTOMATION CO LTD
Sensor element and method for manufacturing a sensor element
UndeterminedDE102024138871A1Thermometers using electric/magnetic elementsUsing electrical meansThin film electrodeElectrical resistance and conductance
The present invention relates to a sensor element (1) for measuring temperature, comprising a carrier (2), a temperature-dependent resistor (10) arranged on a top surface (2a) of the carrier (2), and a shunt resistor (20) arranged on the top surface (2a) of the carrier (2), wherein the temperature-dependent resistor (10) comprises a first electrode (12), a second electrode (13), and a functional layer (11) made of a material with a temperature-dependent electrical resistance, wherein the first and second electrodes (12, 13) are thin-film electrodes, and the functional layer (11) is a thin film, wherein the shunt resistor (20) is electrically connected to at least one of the electrodes (12, 13) of the temperature-dependent resistor (10), and wherein the shunt resistor (20) is formed by a thin film. A further aspect relates to a method for manufacturing the sensor element.
Owner:TDK ELECTRONICS AG
Shunt indication mechanism and circuit breaker
The utility model provides a shunt excitation indicating mechanism and a circuit breaker, and relates to the technical field of low-voltage electric appliances, the shunt excitation indicating mechanism comprises a shunt excitation coil, a limiting piece and an indicating piece which are arranged in a base and are in linkage in sequence, and the indicating piece is provided with an indicating area exposed out of the base; in a switching-on state, one end of the limiting piece abuts against the indicating piece, and the other end of the limiting piece abuts against the base, so that the indicating piece and the limiting piece are kept static. The limiting piece is positioned by the base and kept static, and the indicating piece is kept static by the acting force of the limiting piece; in addition, limiting matching features do not need to be additionally arranged between the indicating piece and the limiting piece, the size of the indicating piece and the size of the limiting piece can be smaller, and the overall occupied space is saved. The limiting piece and the indicating piece are kept static in a switching-on state, and the limiting piece and the indicating piece do not act during manual operation or short circuit and overload switching-off; only when shunt tripping is carried out, the limiting piece and the indicating piece act through the shunt coil, so that shunt tripping indication is completed, and the position of the indicating piece is used for displaying whether shunt tripping or tripping in other forms is carried out at the moment.
Owner:SHANGHAI LIANGXIN ELECTRICAL CO LTD +1
Electrical tripping device
ActiveCN223501789UProtective switch operating/release mechanismsStructural engineeringControl theory
The utility model relates to the technical field of electrical equipment protection, in particular to an electrical tripping device, which comprises a shell, a protective cover, a circuit breaker, a clamping sleeve, a shunt tripping device, a clamping block, a limiting piece and the like. A protective cover is hinged to the front portion in the shell, a circuit breaker is loaded in the shell, clamping sleeves are arranged on the two sides of the circuit breaker, a shunt release is clamped to one side of the circuit breaker, the shunt release and the circuit breaker are in a compact state, clamping blocks are arranged on the two sides of the shunt release, the clamping blocks on the two sides are clamped in the corresponding clamping sleeves, and limiting pieces are arranged at the two ends of the outer portion of the circuit breaker. And wedge-shaped parts are arranged at the end parts of the two limiting pieces. According to the utility model, through cooperation of the wedge-shaped block and the limiting piece, the shunt release is simpler and faster to disassemble and assemble; and flexible installation of the device can be realized through a separable sliding rail or a clamping group formed by combining a clamping plate, an abutting plate and the like, so that the device can adapt to different installation environments.
Owner:JIANGXI YUANDA TECH L T D
An electrical performance testing device for a shunt trip coil
The application discloses an electrical performance testing device for a split-field release coil and belongs to the technical field of electrical performance testing. The device comprises a detection base and a servo telescopic rod, a heating module is fixedly installed on the output end of the servo telescopic rod, a lifting mechanism for placing the split-field release coil is horizontally arranged through the heating module, a turnover mechanism capable of rotating by 180 degrees around an axis is arranged at the middle position of the outer side of the lifting mechanism, a wind supply module is arranged on one side of the turnover mechanism, and a detection mechanism is arranged on the other side. The device combines condensation simulation environment and real-time mechanical performance detection, solves the limitation that mechanical output force attenuation cannot be synchronously detected during the continuous process in a harsh environment in traditional split-field release coil testing, and realizes dynamic and uniform condensation coverage simulation on the surface of the coil by using a spraying mechanism in cooperation with the turnover mechanism capable of rotating in multiple directions around an axis.
Owner:XIAMEN APG ELECTRIC