11results about "Relay details" patented technology

The invention relates to an electrical short-circuiting device (10) having a fixed and a movable contact piece (12, 14), the contact pieces (12, 14) being distanced from one another in a basic position and being electrically conductively connected to one another in a short-circuit position, having a drive (16) for transferring the movable contact piece (14) from the basic position into the short-circuit position, and having a trigger device (18) for triggering the drive (16). According to the invention, the trigger device (18) comprises an electrically driven actuator (24) for the triggering. The invention further relates to a converter which comprises at least one short-circuiting device (10) of this kind. The invention further relates to a corresponding method for short-circuiting contact pieces (12, 14).

The utility model relates to a gas relay with a light gas remote transmission function, which comprises a light gas action assembly positioned in a gas relay body, and further comprises a laser displacement sensor assembly, the laser displacement sensor assembly comprises a shell, a laser sensor and a laser displacement floater, the laser sensor is installed in the shell, the shell is fixed to the outer side of the gas relay body, the laser sensor comprises a laser emitting part and a laser receiving part, and the laser emitting part is used for emitting laser to the laser displacement floater located in the gas relay body. According to the utility model, the gas relay is provided with the laser displacement sensor, the accurate light gas volume value is monitored in real time and uploaded, the light gas volume value can be obtained at the initial stage of a light gas fault, and the purpose of fault early warning can be achieved; after the light gas acts, whether the action is correct or not can be judged.

A junction box according to the present invention is disposed between a vehicle seat (7000) and a battery device (5000). The junction box comprises a plurality of relays (10, 160) and a holding member (60) that holds the plurality of relays. The plurality of relays include at least two specific relays (10) through which current flows when the vehicle is traveling or during DC charging of the battery device. More than half of specific relays are disposed further to the front side of the vehicle than the position opposite of the lowest part (7043) of the seat where the distance from the battery device is the smallest.

The invention relates to a high-voltage direct-current relay, in particular to a motor rotation clapper type high-voltage direct-current relay. A motor rotation clapper type high-voltage direct-current relay comprises a contact assembly and a driving assembly, the driving assembly comprises a driving motor, the contact assembly comprises a leading-out end and a movable contact spring, the output end of the driving motor is fixed to the middle of the movable contact spring, the inner end of the leading-out end extends to the side of the movable contact spring and is fixedly provided with a static contact, and the inner end of the leading-out end extends to the side of the movable contact spring. The movable contact spring is oppositely located between the inner ends of the two leading-out ends, the two movable contacts are located on one side of the two opposite sides of the movable contact spring respectively, and the static contact, the movable contacts and the movable contact spring are symmetrically arranged with the rotation axis of the movable contact spring as the center. The problem of pull-in rebound can be reduced and even solved as much as possible, the relay is lower in production cost, parts with low production process requirements can be adopted, the overall size can be miniaturized more easily, or the working current can be larger under the condition that the original size is guaranteed.

A security relay is provided that has a security function that makes it possible to control the flow of electricity to a connected external circuit depending on the presence or absence of an external instruction to permit relay current flow. [Solution] A security relay for controlling whether or not to energize an external circuit based on an external signal, the security relay comprising: a control unit that receives a signal from an external device, analyzes the received signal, and determines whether or not to energize the external circuit based on the analysis result; and a power supply unit that supplies power to the control unit. The control unit comprises a receiving unit for receiving a signal from an external device, and the receiving unit receives and analyzes a power-on permission signal from the external device to determine whether or not to energize the external circuit, and then performs power supply processing.

A circuit protection device integrating the functions of an excitation fuse and a relay protection, comprising a housing, a moving contact assembly, a moving contact transmission assembly, and a static contact assembly located in the housing, an excitation module detachably arranged in the housing, the excitation module including an excitation source and a power device; the fuse element passes through the arc extinguishing chamber and its two ends are respectively located on the housing on one side of different static contact assemblies; in the normal working state, the fuse element is in a non-conductive connection with the main circuit; when there is a zero fault current or a small fault current, the moving contact transmission assembly drives the moving contact to separate from the static contact assembly; when there is a large fault current, the moving contact transmission assembly is powered off, and at the same time, while the excitation source drives the power device to act, it drives the fuse element to be connected in parallel with the main circuit, and then drives the moving contact assembly to separate from the static contact assembly to disconnect the fuse element. The invention has a small volume and a compact structure, is applicable to the places where an excitation fuse and a relay are combined, and can save the use space.

The present invention provides a low-friction contact system for a radio frequency relay, which includes a cavity and a cavity cover arranged at the upper end of the cavity. The system further includes a first guide post and a second guide post fixedly arranged at the bottom of the cavity. The cavity cover is provided with a mounting hole, and a push block is arranged in the mounting hole. The push block extends with a push rod, and the distal end of the push rod is connected to a moving contact piece for controlling the on-off of a static contact. The push block is provided with a first guide hole and a second guide hole, and the first guide post and the second guide post respectively penetrate through the first guide hole and the second guide hole. The push block moves up and down along the first guide post and the second guide post to drive the moving contact piece to move. The low-friction contact system of the present invention uses guide posts to limit the push block moving up and down. The push block has a self-lubricating function and is not prone to rotation, enhancing the stability and reliability of the contact system, simplifying the structure, improving the radio frequency transmission performance, and greatly prolonging the service life.

The invention provides an armature assembly with neodymium iron boron magnetic steel and a processing method thereof, and belongs to the technical field of relays. According to the invention, the middle parts of the armature and the movable contact spring are subjected to integral injection molding and plastic coating, the mounting hole is synchronously formed in the injection molding and plastic coating process, one end of the mounting hole extends to the armature, the surface of the armature is exposed in the mounting hole, the magnetic steel is placed in the mounting hole and is directly connected with the armature in a magnetic attraction manner, and the magnetic steel is made of neodymium iron boron, so that the reliability of the magnetic steel is improved. Compared with the prior art, under the same magnetic steel size, larger suction force can be provided, the use performance is better, the size can be reduced, in addition, after the magnetic steel is installed, the magnetic steel does not need to be accurately and stably fixed to the armature in a spot welding or dispensing mode before injection molding, the technology is simpler, operation is convenient, the machining efficiency is high, and in addition, the production cost is reduced. The magnetic steel installed on the armature in a magnetic attraction mode in the later period is not excessively wrapped by the wrapping plastic, the overall size is further reduced, miniaturization design of the relay is facilitated, and application and popularization of the relay are facilitated.

A method, and apparatuses are disclosed for use of a field effect transistor (FET) from a DC / DC converter as part of a solid state relay (SSR) circuit. A solid state relay (SSR) includes a first field effect transistor (FET) and a second FET. The first FET is implemented as an ideal diode. The second FET is included in a DC / DC converter circuit. The first FET and the second FET are in electrical communication with one another. A battery management system comprising the SSR and a battery comprising the SSR are also disclosed.

The utility model discloses an extensible multipath relay control panel, and relates to the relay control panel technology field, an input board is provided with an input power supply, a signal line and a first connector, and the input power supply and the signal line are electrically connected with the first connector; the relay control unit board comprises a second connector, a dial switch, a data selector chip and an expansion connector, the second connector is connected with the first connector, and the dial switch and the data selector chip are electrically connected with the second connector and the expansion connector; the dial switch is connected with the data selection chip and controls the data selection chip to communicate with specific signals in the signal line. According to the utility model, the multi-path relay control panel is modularized, unitized and standardized; when one relay unit control board is damaged, the control board can be replaced independently, and other relays are not affected. On the premise of selecting the input board, the multi-channel unit control board expansion supported by the input board can be realized. The corresponding relation between the signal and the relay can be set on the unit control board.

To provide a maintenance device capable of accurately removing foreign matter on an electrode by an arc in which an appropriate generation state is secured.SOLUTION: The maintenance device (30) includes a control unit (10) that controls a removal process of generating an arc between a pair of separable electrodes (41) and removing foreign matter on the electrodes (41) by the arc. The control unit (10) records and includes time-series information (T) indicating a period length between a first time point and a second time point later than the first time point and environmental information (C) continuously indicating an environmental state of the electrode (41) between the first time point and the second time point, and derives a processing condition for determining an arc generation state by the removal processing at the second time point based on the time-series information (T) and the environmental information (C).SELECTED DRAWING: Figure 1