Patents
Literature
1241results about "Emergency protective devices" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Intelligent fuse comprising monitoring module
The invention relates to the technical field of state monitoring, in particular to an intelligent fuse comprising a monitoring module, and the fuse comprises a data analysis module, a steady state recognition module, a temperature analysis module, a coupling calculation module and a state calibration module. According to the method, time consistency verification and corresponding matching are carried out on temperature and current sampling, abnormal interference is eliminated in a stable current-carrying interval, a continuous sequence is formed, and a definite time relation is established between thermal response and a current-carrying state by combining analysis of accumulated deviation and change turning of the temperature along with time; the abnormal trend of slow evolution is amplified and presented, correction is carried out according to the direction consistency of multi-segment time difference change, progressive features before fusing are recognized in advance, early warning continuity and operation decision reliability are improved, misjudgment is reduced, continuous updating of state evaluation is supported, and stability of a control closed loop is improved.
Owner:JANDA ELECTRIC CO LTD
Connecting device with flux for separating a connecting element in the event of a fault
ActiveDE102024122065A1Cell component detailsEmergency protective devicesThermodynamicsElectrical connection
The invention relates to a connecting device (1) for electrically connecting at least two terminals, comprising: - at least one connecting element (2) designed for conducting current between the at least two terminals, with at least two contact areas (2a, 2b) for electrical and mechanical connection to the respective terminal, wherein the connecting element (2) comprises a metallic material (3) and a passivation layer (4) that forms at least in one fault condition and encloses the metallic material (3), and - a flux (8) that can be thermally activated by heat input due to a fault condition, which is designed to remove the passivation layer (4) in order to cut through the connecting element (2) in the molten area (2c) in the case of a fault condition that melts only the metallic material (3).
Owner:BAYERISCHE MOTOREN WERKE AG
Intelligent fuse
The invention provides an intelligent fuse, and belongs to the technical field of circuit protection, and the intelligent fuse is characterized in that an upper housing is provided with at least one excitation chamber, the excitation chamber is internally provided with at least one excitation part and at least one impact part, and the excitation part releases high-pressure gas when receiving any one of an external trigger signal and an internal trigger signal; the lower shell is provided with at least one cooling cavity; the current-conducting plate is arranged between the upper shell and the lower shell, and the impact part moves towards the direction where the cooling cavity is located under the thrust action of the high-pressure gas so as to cut off the current-conducting plate; the self-control module is arranged outside the shell and comprises a current detection unit and a processing unit, and the current detection unit is used for detecting a current signal on the conductive plate; the processing unit is used for generating an internal trigger signal according to the current signal. The beneficial effects of the invention are that a dual-trigger mechanism and redundancy design of an internal trigger signal and an external trigger signal are adopted, so that normal action can still be ensured when any signal fails, and the breaking reliability is improved.
Owner:SHANGHAI CHANGYUAN WAYON CIRCUIT PROTECTION CO LTD
Intelligent excitation fuse
The utility model relates to an intelligent excitation fuse (100). The intelligent excitation fuse (100) comprises a partially hollow insulating shell; at least one copper bar (106) in which a plurality of fractures (106A) are laid; a plurality of breaking devices (200); the control circuit board (300) is used for triggering the plurality of on-off devices (200) to carry out on-off actions; the signal fuse wire (301) is connected with at least one copper bar (106) in parallel, and the signal fuse wire (301) is electrically connected with the control circuit board (300) through a signal connecting wire (302), so that when current flowing through the signal fuse wire (301) exceeds preset threshold current, the signal fuse wire (301) is fused and is electrically connected with the control circuit board (300); wherein the control circuit board (300) responds to the fusing of the signal fuse (301) and sends an action signal to the plurality of on-off devices (200) which are connected in series.
Owner:COOPER XIAN FUSE
Fuse link, fuse and electric device
The utility model discloses a fuse link, a fuse and an electric device, and belongs to the field of fuses. The fuse link is provided with a fusing part, a first end used for being connected with a negative electrode and a second end used for being connected with a positive electrode, the fuse link is provided with a first narrow-diameter part between the fusing part and the first end, and the fuse link is provided with a second narrow-diameter part between the fusing part and the second end; the distance between the fusing part and the adjacent first narrow part is smaller than the distance between the fusing part and the adjacent second narrow part. The fusing part is arranged at the first narrow-diameter part on the side, closer to the negative electrode, of the fusing body, when current is overloaded, the fusing part is fused, arcing occurs at the fusing part, an electric arc ignites the first narrow-diameter part and the second narrow-diameter part which are located on the two sides of the fusing part, the fusing part is closer to the negative electrode, the distance of firing towards the positive electrode is reduced, the electric arc is made to be away from a high-temperature area, and the service life of the fuse body is prolonged. The influence of temperature on arc burning is reduced, and rapid arc extinguishing can be realized.
Owner:SUNGROW POWER SUPPLY CO LTD
Controllable drop-out type intelligent fuse and control method thereof
ActiveCN121075881AArrangements responsive to excess currentEmergency protective devicesShort circuit protectionHigh voltage
The invention belongs to the field of power distribution network automation, and discloses a controllable drop-type intelligent fuse and a control method thereof. The controllable drop-type intelligent fuse comprises a measurement and control module which is arranged at the lower part of a fusion tube and is used for measuring the working current of the fuse, the high voltage of a line, the temperature of a fuse wire, the poor contact state of the fusion tube and the drop state of the fusion tube through a sensor and a corresponding measurement circuit, and communicating with a background server through a wireless communication function; the measurement and control module is connected with a configured micro motor and a measurement and control module torque output rotating shaft; the lower contact is provided with a novel tensioning structure which is used for enabling the fuse to be controlled to fall off. On the basis of keeping the function of an original traditional drop-out fuse as a short-circuit protection switch, a measurement control and wireless communication circuit is added; working current, fuse wire temperature and drop state can be measured, drop of the fuse can be controlled automatically or wirelessly and remotely when primary current is larger than a set value, and therefore load overcurrent protection is achieved.
Owner:BEIJING HCRT ELECTRICAL EQUIP
Double-optical-path keyboard with silica gel elastic sheet capable of shielding light transmission
PendingCN121939970AInput/output for user-computer interactionElectronic switchingComputer hardwareKey pressing
The invention discloses a dual-optical-path keyboard with a silica gel elastic piece capable of shielding light. The dual-optical-path keyboard comprises the silica gel elastic piece and an FPC, and a plurality of chips are arranged on the FPC. And the chip is one of a full color control chip, a full load color control chip, a confluence color control chip, a load color control chip and a fantasy color control chip. The light-sensitive element is located under the silica gel elastic piece, the silica gel elastic piece is made of a light-transmitting color material and a light-shading color material, the GRB in the chip is an emission light source, one path of the GRB directly provides illumination for a key cap character, the other path of the GRB directly penetrates through the silica gel elastic piece to provide the emission light source for the light-sensitive element under the silica gel elastic piece, and one light source has two purposes. The invention provides the optical switch keyboard with serial-parallel hot standby, the communication circuit is simple, the reliability is high, a single single-sided FPC (Flexible Printed Circuit) can realize full-key no-impact and GRB indication, a keyboard MCU (Microprogrammed Control Unit) can communicate with the keyboard through a maximum 5PIN electrical network, and the optical switch keyboard can be widely applied to notebook computer production.
Owner:SIDIKO (GUANGZHOU) ELECTRONICS CO LTD
Intelligent fuse
PendingCN121483941AExplosion operated switchesEmergency protective devicesElectrical conductorSoftware engineering
The invention belongs to the field of fuses, and provides an intelligent fuse which comprises a conductor used for bearing main loop current; the fuse body is connected in the conductor in series and can be fused when the current of the main loop exceeds a preset threshold value; a first cutting unit configured to cut off the melt based on an external trigger signal; and a second cutting unit configured to cut off the conductor based on an internal trigger signal, where the internal trigger signal is a voltage signal across the melt. The intelligent fuse solves the technical problems that an intelligent fuse in the prior art is complex in structure and high in cost, and is low in cost, small in size, simple in structure and easy to operate.
Owner:COOPER XIAN FUSE
Electrically operated drop-out fuse and control method
The invention discloses an electrically-operated drop-out fuse and a control method, and relates to the field of circuit devices for power supply or distribution, the electrically-operated drop-out fuse comprises a protective insulator, an intelligent control module, a drop-out assembly, a driving mechanism and a transmission mechanism, the protective insulator is of a longitudinally-penetrating groove structure, the top of the protective insulator is provided with a closed upper cover, and the intelligent control module is connected with the drop-out assembly; two sides of the protective insulator extend downwards to form side walls, the side walls and the insulator form a shield used for shielding the upper static contact and the upper moving contact, a closed cavity is arranged at the rear part of the protective insulator, and a driving mechanism is arranged in the cavity; the intelligent control module is electrically connected with the driving mechanism, the driving mechanism is connected with the transmission mechanism, and the intelligent control module controls the driving mechanism to drive the falling assembly through the transmission mechanism to realize opening or closing; according to the fuse and the control method provided by the invention, remote intelligent switch-on and switch-off can be realized, the operation is safe and reliable, the structure is compact, and the protection performance is excellent.
Owner:LIAONING DONGKE ELECTRIC POWER +1
Construction and protection of components in negative pressure wound therapy systems
Embodiments of negative pressure wound therapy systems and methods are disclosed. In one embodiment, an apparatus includes a housing, a negative pressure source, a canister, an antenna, and one or more controllers. The negative pressure source can provide negative pressure via a fluid flow path to a wound dressing. The canister can be positioned in the fluid flow path and collect fluid removed from the wound dressing. The antenna can be supported by the housing and wirelessly communicate with an electronic device. The antenna can be oriented in the housing to face downward toward the ground when the negative pressure source is providing negative pressure. The one or more controllers can activate and deactivate the negative pressure source and transmit first data to the electronic device using the antenna or receive second data from the electronic device using the antenna.
Owner:SMITH & NEPHEW INC
Drop-out fuse
The invention discloses a drop-out fuse, and relates to the technical field of power system protection, and the drop-out fuse comprises an insulator, the middle part of the insulator is fixedly provided with a fixed installation plate used for installing a fuse, one end of the insulator is fixedly provided with a lower end contact, and the other end of the insulator is fixedly provided with an upper end contact. The lower end contact is fixedly provided with a lower wiring terminal, the upper end contact is fixedly provided with an upper wiring terminal, and the lower wiring terminal is rotatably provided with a fuse tube assembly used for power-off protection. The fuse tube assembly comprises a fuse outer tube, the lower end of the fuse outer tube is provided with a lower connecting tube connected with the lower end contact, the upper end of the fuse outer tube is provided with an upper connecting tube, and the upper connecting tube is provided with a conductive head conductively connected with the terminal duck tongue plate; the invention has the advantages that the fuse can be quickly switched without high-altitude replacement, and the fusing arc can be effectively isolated to protect the standby fuse assembly.
Owner:ZHEJIANG HUACHI ELECTRIC POWER TECHNOLOGY CO LTD
Quick response type temperature fuse
ActiveCN223785125UThermal switch detailsEmergency protective devicesFuse (electrical)Mechanical engineering
The utility model discloses a quick response type temperature fuse. The quick response type temperature fuse comprises a shell, a bimetallic strip, a tripping device, a first electrode, a second electrode and an electrical breaking device, wherein the bimetallic strip, the tripping device, the first electrode and the second electrode are arranged on the shell; the electrical breaking device is arranged between the first electrode and the second electrode in a bridging manner; the two ends of the tripping device abut against the movable end of the bimetallic strip and the electrical breaking device respectively. The bimetallic strip is close to the shell; when the bimetallic strip is heated to deform, the tripping device and the electrical breaking device are pushed to be separated from the abutting state. The electrical breaking device is kept in a conducting state under the action of external force applied by the tripping device, and the electrical breaking device is in a disconnected state when the external force is removed. According to the utility model, advantages of two technologies of a bimetallic strip and a low-melting-point alloy are integrated, disadvantages of the two technologies are overcome, user experience is improved, and product performance is greatly improved.
Owner:XIAMEN SET ELECTRONICS CO LTD
Device with opening detection
Disclosed is a device comprising a housing that comprises components; a cover configured to be positioned on the housing to restrict access to the components when the cover is in the closed position; a capacitor and a fuse, the capacitor and fuse being dimensioned so that the fuse blows when the capacitor discharges through the fuse; a capacitor charging circuit configured to charge the capacitor when the device is powered up; a discharge circuit for discharging the capacitor through the fuse, said discharge circuit comprising a first switch cooperating with a part integral with the cover in order to prevent the discharging of the capacitor when the cover is in the closed position; and to allow the capacitor to discharge through the fuse when the cover is in the open position.
Owner:SAGEMCOM ENERGY & TELECOM SAS
Electrical connection box
PendingUS20260024974A1Electric/fluid circuitEmergency protective devicesElectrical connectionFuse (electrical)
A first electrical connection box20 includes a housing body 31 open on an upper side Z1, a first terminal portion 50 provided in an edge part inside the housing body 31, a first side cover 70 arranged to project outward from the housing body 31 from a part corresponding to the terminal portion 50, and a fuse 92 provided inside the first side cover 70 and to be electrically connected between a third external power supply and the terminal portion 50.
Owner:SUMITOMO WIRING SYSTEMS LTD
Outdoor high-voltage alternating-current drop-out fuse
The invention discloses an outdoor high-voltage alternating-current drop-out fuse, and relates to the technical field of fuses. The breaking auxiliary mechanism is connected in series in a circuit of the lower wiring terminal and the fusion tube assembly, when a short-circuit fault occurs, the coil generates a strong magnetic field due to instant passing of ultra-large current, the elastic force of the second spring can be overcome to push the iron core to move, and the arc-shaped push plate is driven to quickly push the fusion tube assembly to move away from the insulator; compared with a breaking mode of a traditional drop-out fuse which only depends on gravity drop of a fuse tube after a fuse wire is fused, the mode has the advantages that the breaking process is actively accelerated, the separation time of the upper contact and the conductive pressing plate is greatly shortened, the duration of an electric arc is shortened, and through the arrangement of the spacing adjusting assembly, the electric arc can be rapidly separated from the conductive pressing plate. Each section of small arc is further lengthened, arc energy is greatly weakened, segmented and lengthened progressive arc extinguishing is achieved, and the arc extinguishing speed is far better than that of a traditional design of a fixed-interval arc extinguishing plate.
Owner:STATE GRID QINGHAI ELECTRIC POWER COMPANY +1
Intelligent adjustable outdoor drop-out fuse
The invention relates to the field of fuses, in particular to an intelligent adjustable outdoor drop-out fuse which comprises an insulator, the two ends of the insulator are fixedly connected with an upper end static contact and a lower end static contact respectively, and a drop-out fusion tube is detachably connected between the upper end static contact and the lower end static contact; the falling fusion tube comprises a shell, a fusion tow, an insulating top and a metal top, the fusion tow is detachably connected in the shell, the outer side of one end, close to the upper-end static contact, of the shell is provided with a thread, the thread is matched with a positioning nut, and the top of the positioning nut is provided with an annular groove; one end of the insulating top and one end of the metal top are detachably connected with the shell through threads, the top of the insulating top is elastically connected with a contact block, and the side wall of the insulating top is slidably connected with a calibration rod. According to the technical scheme of the invention, the clamping resistance of the drop-out fusion tube is measured through the insulating top head, and the length of the drop-out fusion tube is adjusted through the sliding distance of the calibration rod during measurement, so that the drop-out fusion tube can adapt to the size of a special drop-out fuse.
Owner:YUANQU COUNTY GUOCHANG NEW ENERGY CO LTD
Shutdown device and shutdown system
PendingUS20260058082A1Conductor severing switchesHeating/cooling contact switchesOvercurrentControl theory
A shutdown device includes: a pyro-fuse that includes a bus bar inserted into a power supply path and a piston disposed above the bus bar, the piston moving toward the bus bar to divide the bus bar; and a melting fuse connected in parallel to the pyro-fuse, in which the melting fuse includes a fuse case, a fuse element provided in the fuse case and is fused when an overcurrent flows, and an arc-extinguishing material provided in the fuse case and being in a granular phase, and the fuse element extends along a direction intersecting a direction in which the piston moves.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
Control device base that attaches to the paddle actuator of a mechanical switch
A remote control device may control electrical loads and / or load control devices of a load control system without accessing electrical wiring. The remote control device may be configured to be mounted over an installed mechanical switch having a paddle actuator and may include a base and a control unit that is configured to be removably attached to the base. The base may include a frame, a clamp arm, a screw, and / or a sleeve. The clamp arm may be configured to secure the base to a protruding portion of the paddle actuator. The clamp arm may be attached to the frame at a pivot joint. The clamp arm may be configured to pivot about the pivot joint. The pivot joint may be located proximate to an endpoint or a midpoint of the frame.
Owner:LUTRON TECHNOLOGY COMPANY LLC
A mounting structure of a fuse for facilitating welding
This utility model relates to an easy-to-weld installation structure for a fuse, belonging to the field of electrical equipment protection. It includes a fuse body, connecting contacts located on both sides of the fuse body, and a copper busbar for mounting the fuse body. The connecting contacts are provided with pre-installed components that directly contact the copper busbar. The connecting contacts and the copper busbar are directly in contact and fixed together by welding. This application effectively reduces unstable contact resistance caused by insufficient connection.
Owner:NINGBO FENGMEI NEW ENERGY AUTOMOTIVE TECH CO LTD
Synchronous trigger fuse control circuit and synchronous trigger fuse
The application provides a synchronous trigger fuse control circuit and a synchronous trigger fuse, which comprise an internal trigger module and an external trigger module; the external trigger module is connected to a conductor of the synchronous trigger fuse and is used for receiving an external trigger signal; when the external trigger signal is received or an internal trigger signal on the conductor is collected, a first ignition device is triggered to cut off the conductor to cut off a protected circuit; the internal trigger module is connected to the conductor of the synchronous trigger fuse and is used for triggering a second ignition device to cut off the conductor to cut off the protected circuit when the internal trigger signal on the conductor is collected; or the second ignition device is triggered to cut off the conductor to cut off the protected circuit according to a second current generated after the conductor is cut off. Through the synchronous trigger mechanism, the first ignition device and the second ignition device can be triggered, and the problem that there is still an ignition device with gunpowder left after the fuse ends the protection action is solved.
Owner:GUANGDONG SINOBILE ENERGY TECH CO LTD
A small breaking fuse
ActiveCN224304664UEmergency protective devicesElectrical and Electronics engineeringElectric contact
The utility model relates to the field of fuse, relate to a small breaking fuse, the utility model discloses: fuse tube, fuse and two groups of electric contact, the fuse includes fuse and two groups of electric block, the fuse is welded in the inside of electric block, the electric contact includes terminal and fixed cap, the terminal is fixed in the outside of fixed cover, the fixed cap is covered in the end of fuse tube, the fixed cover inside fixedly has the connecting block, be equipped with the slot in the connecting block, the electric block is inserted in the slot, in the assembly, the electric block in the fuse assembly is directly inserted into the slot of connecting block, can realize the connection of fuse and electric contact, and then complete the assembly of whole fuse, the originally complicated field welding connection changes into simple plug -in connection, simplifies the assembly flow, improves production efficiency.
Owner:JIAXING XINDA POWER EQUIP CASTING FACTORY
Electric insulating operating rod for mounting insulating protective cover of fuse
ActiveCN223757487UContact operating partsEmergency protective devicesStructural engineeringMechanical engineering
Owner:GUANGDONG DERUI ELECTRIC TECH DEV CO LTD
Sealed contactor with external fuse
PendingCN121282054AElectromagnetic relay detailsEmergency protective devicesOvercurrentElectrical connection
One embodiment relates to a contactor assembly adapted to switch a power supply to a circuit having a power supply. The contactor assembly includes a housing defining an interior compartment. A current-carrying contact and an arc contact are located in an interior compartment of the housing. At least one arc contact has an overcurrent protection device located outside the interior compartment of the housing. When the actuator assembly is moved towards the closed position, the actuator assembly is electrically connected with the arc contact before being electrically connected with the current-carrying contact, and when the actuator assembly is moved towards the open position, after the electrical connection with the current-carrying contact is disconnected, before the electrical connection with the arc contact is disconnected, the actuator assembly is electrically connected with the arc contact after the electrical connection with the current-carrying contact is disconnected. The actuator assembly maintains an electrical connection with the arc contact.
Owner:TE CONNECTIVITY SOLUTIONS GMBH
Renter friendly standard to smart switch conversion using voltage sensing
PCT designated stageWO2026033004A1Emergency protective devicesTumbler/rocker switch detailsTelecommunicationsSmart switch
According to certain embodiments, a switch cover comprises a panel with a hole, wherein the hole is configured to receive a rocker, wherein the rocker selectively controls an electrical connection between a first line and a second line; a voltage sensor disposed on the panel and configured to induce a current from an electrical field generated by electrical power transmitted over the electrical connection between the first line and the second line; and an antenna disposed on the panel and configured to transmit a radio signal in response to induction of the current in the voltage sensor.
Owner:SIGNIFY HOLDING BV
Energy management apparatus to upgrade and control an existing circuit breaker panel
The present invention is an apparatus, and related method, with embedded functionality allowing a user to monitor and control energy consumption, including hardware installed in addition to an existing circuit breaker panel. A preferred embodiment comprises a retrofitting apparatus that can be connected to an existing circuit breaker panel. The apparatus can be detachably connected to circuit breakers or a circuit breaker panel. The apparatus and related method allow remote control of, for example, a processor, controller, and / or node, so that a circuit and / or load on a premises connected to a node on the apparatus can be remotely turned on or off, or otherwise regulated. The nodes, connectors, or processors may communicate with a remote device, such as a phone, computer, laptop, tablet, or other communication or computing device.
Owner:COULOMB INC
Key structure and handheld appliance with same
The utility model discloses a button structure and a hand-held appliance having the same. The button structure comprises a supporting member, a sliding member, a first button and a control assembly. The sliding piece is fixed to the supporting piece in a front-back moving mode. The first key capable of moving up and down can drive the sliding piece to move; the control assembly comprises a first adjusting switch and a power switch, the first key can be driven to touch a button of the first adjusting switch, and a driving lever of the power switch is connected with the sliding part; the sliding piece can move between a first position and a second position; according to the utility model, the sliding part capable of moving back and forth is connected with the driving lever of the power switch, the first key capable of moving up and down can drive the sliding part to move, and then the first key drives the sliding part to move, so that after the power switch is in an on state, the first key can press down a button of the first adjusting switch; after an operator triggers the power switch with fingers, the adjusting switch can be triggered without moving to other positions, and the use is convenient.
Owner:GUANGDONG WUYE TECH CO LTD
Fuse box, fuse, battery module, and electrical device
ActiveCN224342265UCell component detailsEmergency protective devicesComputer hardwareElectrical battery
This application provides a fuse box, a fuse, a battery module, and an electrical device, relating to the field of fuse technology. The fuse box includes a housing assembly and at least one terminal. The housing assembly has a mounting cavity for mounting a first fuse assembly or a second fuse assembly. The first fuse assembly differs from the second fuse assembly. The terminal is located on the housing assembly and is used to connect to the first or second fuse assembly. The fuse box provided according to this application embodiment can accommodate the installation of fuse assemblies of different specifications, offering greater versatility and reducing the amortized cost of mold making.
Owner:BYD CO LTD
Surge protection device and electrical system with such a surge protection device
ActiveDE602024004745T2Spark gap detailsHeating/cooling contact switchesControl theoryMechanical engineering
Owner:SCHNEIDER ELECTRIC IND SAS
Hybrid switch device
PendingCN121768925AImprove reliabilityImprove controllabilityElectric switchesEmergency protective devicesElectronic switchStructural engineering
The invention provides a hybrid switch device, and relates to the technical field of electrical equipment. The hybrid switch device comprises a mechanical switch unit, an electronic switch unit, an isolation switch and a protection element. The electronic switch unit and the mechanical switch unit are connected in parallel, the isolation switch is arranged in a loop where the mechanical switch unit is located in parallel and arranged in a loop where the electronic switch unit is located in series, or the isolation switch is arranged in the mechanical switch unit in series and arranged in a loop where the electronic switch unit is located in series; the protection element is connected in parallel with the electronic switch unit; in the switching-on process, the isolating switch, the electronic switch unit and the mechanical switch unit are sequentially switched on, and the electronic switch unit is switched off; and in the opening process, the electronic switch unit is closed, and the mechanical switch unit, the electronic switch unit and the isolating switch are sequentially disconnected, so that the isolating switch ensures the electrical isolation safety, and the reliability, controllability and connection layout rationality of the hybrid switching device are improved.
Owner:SHANGHAI LIANGXIN ELECTRICAL CO LTD
Input device for a motor vehicle with voltage-based error detection
The invention relates to an input device (1) for safety-relevant functions of a motor vehicle, having a switch contact (3) with a first connection (4) and a mating contact (5) with a second connection (6). A first resistor (9) is connected between a voltage supply connection (8) and one connection (4, 6) of the switch element (2) and a second voltage supply connection (7) is connected to the other connection (4, 6) of the switch element (2). A measuring node (10), via which an actuation-dependent voltage can be captured, is provided between the first resistor (9) and the associated connection (4, 6). The problem addressed by the invention is that of developing input devices of the type in question such that they can be used for safety-relevant applications in the motor vehicle. This problem is solved by the switch contact (3) having a third connection (12) at which a second resistor (13), which is connected to the second connection (6) of the switch element (2), is provided.
Owner:VALEO SCHALTER & SENSOREN GMBH