7results about How to "Reduce arcing" patented technology

The application discloses a contact assembly and nanocrystalline relay and relates to the technical field of relays; the application comprises an insulating frame, two static sheets are arranged on the insulating frame, and static contacts are arranged on the static sheets; a movable plate is slidably arranged on the insulating frame, a dynamic sheet is arranged on the movable plate, two dynamic contacts are arranged on the dynamic sheet; a differential mechanism comprises a frame fixed to the insulating frame, first guide rods and second guide rods are rotatably penetrated into opposite inner walls of the frame; the force generated by an electromagnetic component does not directly act on the dynamic sheet, the differential mechanism is arranged, two-stage speed increase is realized by the differential mechanism, the moving stroke of the dynamic sheet is greater than the moving stroke of the first rack driven by the electromagnetic component, and the moving speed of the dynamic sheet is faster than the moving speed of the first rack driven by the electromagnetic component during the closing or breaking process; the separation speed and the breaking distance are increased, the contact breaking force is sufficient, the generation of electric arc is reduced, and therefore the practicability is improved.

The utility model relates to the technical field of coils, and discloses a high-performance coil end insulator, which comprises a coil and an iron yoke arranged at the middle end of the coil, two groups of mutually symmetrical insulating end covers are arranged at the two ends of the iron yoke, and two groups of mutually symmetrical limiting components are arranged at the two ends of the outer wall, far away from the coil, of the insulating end covers. The two sides of the outer wall of the insulating end cover are provided with two groups of symmetrical protection assemblies in an inserted manner. The insulation end cover is made of epoxy impregnated paper and epoxy resin composite insulation materials, has the dielectric property of insulation paper and the mechanical strength of epoxy resin, forms a compact and compact integrated structure, can effectively control electric field distribution, reduces local electric field intensity, reduces electric arc and discharge risks, can form a uniform and compact insulation layer after epoxy resin pouring, and improves the service life of the insulation end cover. The epoxy resin can effectively prevent moisture, pollutants and the like from entering the coil, and the tensile strength and the impact resistance of the cable accessory can be effectively improved due to the fact that the epoxy resin has good mechanical properties.

The application relates to a quick plug-in structure and a plug, which comprises a plug and a socket, the plug shell has a pin mounting hole and a pin contact, the socket shell has a socket mounting hole and a socket; the pin contact comprises a front-end pin capable of axially reciprocating relative to the plug shell, the tail of the front-end pin is further connected with an elastic member; the front-end pin is further provided with a moving part capable of reciprocating along the radial direction of the front-end pin; when the socket is combined, the end face of the socket mounting hole stops and limits the moving part, and the elastic member is compressed; when the moving part is radially extruded and enters the release groove on the side wall of the socket mounting hole, and the front-end pin is axially moved and quickly combined under the pushing of the elastic member; when the socket is separated, the front end of the release groove stops and limits the moving part, the elastic member is stretched, the sliding part keeps contact with the socket; the moving part is separated from the release groove under the radial extrusion, and the front-end pin is quickly separated from the socket. The application shortens the plug-in time and weakens the burning influence of the electric arc.

The invention discloses a control protection method, a control device and a program product, the control protection method is applied to an energy storage system, and the energy storage system comprises a plurality of energy storage sub-modules connected in series; the energy storage sub-module comprises an energy storage converter, a protection device and a battery cell, and the protection device is arranged between the energy storage converter and the battery cell; the method comprises the following steps: determining that the energy storage system is switched from a charge-discharge state to a hot standby state; wherein under the condition that the energy storage system is in a hot standby state, the energy storage converter can generate resonance current during working; the protection device is controlled to be connected between the energy storage converter and the single battery, and the protection device is used for absorbing resonance current generated by the energy storage converter during working; and controlling the energy storage system to be switched to the hot standby state. Therefore, when the energy storage system is in the hot standby state, the protection device can be connected to absorb the resonance current generated by the energy storage converter, so that the battery is protected from being damaged by microcirculation, and the service life of the battery is prolonged.

The invention discloses a charging control method, and relates to the technical field of electric charging and battery management. The method comprises the following steps: acquiring a target signal of an interface for representing the type of the interface, and determining a target charging system according to the target signal; when the target charging system does not belong to the preset charging system, analyzing a first message received by an interface based on a communication protocol corresponding to the target charging system, and generating a second message according to a message format corresponding to the preset charging system; and sending the second message to the battery management system to execute a charging process corresponding to the preset charging system. The system identification and protocol conversion mechanism is introduced into the charging interface, so that cross-system message analysis and repackaging are realized, various charging systems and protocols are compatible under the condition of not changing the interface and the flow of the battery management system, the problem that the protocol of the heterogeneous charging pile is inconsistent with that of the vehicle / battery system is solved, and the charging efficiency is improved. The compatibility and expansibility of the system are improved, and the transformation cost is reduced.

The contact system comprises a button piece, a handle mechanism, a moving contact mechanism and a static contact which are arranged in a linear movement mode, the handle mechanism comprises a handle piece arranged in a rotating mode, a first connecting rod is arranged between the button piece and the handle piece, and the button piece drives the moving contact and the static contact of the contact mechanism to be in contact and separated through the handle piece. The moving contact mechanism is provided with an elastic mechanism, the handle piece is provided with a second sliding groove, the first connecting rod is provided with a second sliding part inserted into the second sliding groove, the second sliding groove is provided with a second closing end and a second opening end which are oppositely arranged, and when the elastic mechanism releases energy and drives the moving contact to be away from the static contact, the second sliding part is inserted into the second sliding groove. The second opening end of the second sliding groove slides in the direction away from the second sliding part, so that the handle piece is prevented from blocking the second sliding part when the moving contact is away from the static contact, the button piece does not need to completely move to the opening position, and the opening action is started before the button piece moves in place. And the opening process is realized under the driving of the elastic mechanism of the moving contact mechanism.

The utility model provides a contactor, and relates to the technical field of low-voltage electric appliances. The contactor comprises a shell, a moving contact, a static contact and an arc baffle. The shell is provided with a first wiring port and an accommodating cavity. The moving contact is movably mounted in the accommodating cavity; the static contact is fixedly installed in the accommodating cavity, and one side of the static contact can be in contact with the moving contact. The wiring terminal is installed in the accommodating cavity, the wiring terminal is provided with a second wiring port, the second wiring port is communicated with the first wiring port and the accommodating cavity, and part of the static contact extends into the second wiring port to be electrically connected with the power supply line; the arc baffle is arranged in the shell and can cut off communication between the containing cavity and the first wiring port. According to the contactor provided by the invention, communication between the accommodating cavity and the first wiring port can be cut off through the arc baffle arranged in the accommodating cavity, so that the possibility that an electric arc is discharged out of the shell from the first wiring port is reduced, and the use safety and the use reliability of the contactor are ensured.