6results 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.

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 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.

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