CN-122000238-A - High-voltage direct-current relay with coil terminal module

CN122000238ACN 122000238 ACN122000238 ACN 122000238ACN-122000238-A

Abstract

The invention relates to the technical field of electric elements and discloses a high-voltage direct-current relay with a coil terminal module, which comprises a shell, a contact system, an arc extinguishing system, the coil terminal module and a yoke assembly, wherein the coil terminal module is arranged in the shell and comprises a framework, an iron core arranged in the framework, a winding wound on the framework and a control board assembly connected with the framework, a terminal of the winding is electrically connected with the control board assembly, the iron core is used for connecting the contact system, the yoke assembly is arranged in the shell and comprises a U-shaped yoke and a flat yoke, the flat yoke is connected with the upper end of the framework, one end of the U-shaped yoke is positioned outside the control board assembly and is matched with the control board assembly in a positioning mode, and two ends of the U-shaped yoke are fixedly connected with the flat yoke, so that procedure connection gaps and waiting time are reduced, and the production efficiency and reliability of the high-voltage direct-current relay are improved.

Inventors

LI YANG
YAN SHENGWANG
ZHANG CHAOHONG

Assignees

东莞市中汇瑞德电子股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260402

Claims (10)

1. The utility model provides a take high voltage direct current relay of coil terminal module, includes casing, contact system and arc extinguishing system, its characterized in that, take high voltage direct current relay of coil terminal module still includes: The coil terminal module is arranged in the shell, comprises a framework, an iron core arranged in the framework, a winding wound on the framework and a control board assembly connected with the framework, wherein a terminal of the winding is electrically connected with the control board assembly, the iron core is used for being connected with the contact system, and The yoke assembly is arranged in the shell and comprises a U-shaped yoke and a flat yoke, the flat yoke is connected with the upper end of the framework, one end of the U-shaped yoke is positioned on the outer side of the control panel assembly and is matched with the control panel assembly in a positioning mode, and two ends of the U-shaped yoke are fixedly connected with the flat yoke.
2. The high voltage direct current relay with coil terminal module according to claim 1, wherein the control board assembly comprises a circuit board and a lead-out member, and a first positioning groove is formed at one end of the U-shaped yoke; The leading-out piece is connected with the circuit board and is positioned at one side of the circuit board, which is opposite to the winding; The first positioning groove is matched with the side wall of the leading-out piece in a positioning way.
3. The high-voltage direct current relay with coil terminal module according to claim 1 or 2, wherein the control board assembly comprises a circuit board and a lead-out member, a second positioning groove is formed at the upper end of the circuit board, and a first positioning protrusion is formed on the skeleton; The second positioning groove is matched with the first positioning protrusion in a positioning way.
4. The high voltage direct current relay with coil terminal module according to claim 3, wherein said circuit board assembly has a positioning hole, and said lead-out member is formed with a second positioning protrusion; the positioning hole is arranged in a penetrating manner along the thickness direction of the circuit board assembly; the second positioning protrusion is matched with the positioning hole in a positioning way.
5. The high voltage direct current relay with coil terminal module according to claim 4, wherein said circuit board assembly has at least two of said positioning holes, and said lead-out member is formed with at least two of said second positioning projections; The second positioning protrusions are in one-to-one corresponding positioning fit with the positioning holes.
6. The high voltage direct current relay with coil terminal module according to claim 4, wherein said lead-out member comprises an insulating member and a guide member connected, said guide member having a connection end and a lead-out end; the insulating piece is provided with the second positioning bulge and is connected with the circuit board; the connecting end is positioned at one side of the insulating piece facing the circuit board and is electrically connected with the circuit board; the leading-out end is positioned at one side of the flow guide piece, which is opposite to the circuit board, and is used for connecting an external circuit.
7. The high voltage dc relay with coil terminal module of claim 6, wherein said circuit board assembly further has an electrical connection hole; The electric connection hole is arranged in a penetrating manner along the thickness direction of the circuit board assembly; the connecting end penetrates through the electric connecting hole and is welded with the circuit board assembly.
8. The high voltage direct current relay with coil terminal module according to claim 3, wherein said control board assembly further comprises an insulating shield plate formed with insulating side plates; The insulation protection plate is positioned on one side of the circuit board, which is opposite to the winding, and is matched with the lead-out piece; The insulating side plates are arranged protruding from the insulating protection plates towards the side faces of the circuit board and are positioned on two sides of the circuit board.
9. The high-voltage direct-current relay with coil terminal module according to any one of claims 8, wherein the insulation shield plate is formed with a third positioning groove and a fourth positioning groove; the third positioning groove is matched with the first positioning protrusion in a positioning way; the fourth positioning groove is matched with the side wall of the leading-out piece in a positioning way.
10. The high-voltage direct-current relay with coil terminal module according to claim 1 or 2, wherein the bobbin is formed with an insulating lead-out protrusion; the insulation extraction convex part protrudes from the edge of one end of the framework along the direction away from the other end and is abutted with the side end of the flat yoke.

Description

High-voltage direct-current relay with coil terminal module Technical Field The invention relates to the technical field of electric elements, in particular to a high-voltage direct-current relay with a coil terminal module. Background The high-voltage direct-current relay is used as a key electrical element for realizing reliable on-off and isolation protection under the conditions of high voltage and high current, is widely applied to the core fields of new energy automobiles, energy storage systems, rail transit traction converters, ultra-high voltage direct-current transmission engineering and the like, and the product performance directly determines the operation safety, stability and service life of downstream equipment. With the deepening of global energy transformation, the requirements of scenes such as fast pile filling, net-structured energy storage and the like of new energy automobiles are exploded, the market scale of the high-voltage direct-current relay is driven to continuously climb, the national market scale of 2026 is expected to reach 680 hundred million yuan, the requirements of the new energy automobiles in the field are increased by 25% in a comparable way, the requirements of the market on the productivity, the precision, the reliability and the cost control of products are more stringent, and the traditional production mode is difficult to adapt to the development requirements of industries. At present, the traditional production of the high-voltage direct-current relay mostly adopts a part independent production mode, namely, each core part (comprising a static contact assembly, a movable contact assembly, a relay coil, a yoke iron, an electrode bracket and the like) is independently manufactured by different production lines or working procedures, and then concentrated assembly, detection and debugging are carried out after the completion. In the early development stage of the industry, the production mode can meet basic production requirements due to small product demand and relatively simple structure, but along with the evolution of the industry to high reliability, miniaturization and scale, the inherent disadvantages of the production mode are increasingly prominent, and become the bottleneck for restricting the high-quality development of the industry. Independent processing equipment, operation posts and flow control are required to be arranged for each part in independent production of parts, cooperative linkage is absent among the working procedures, a large number of working procedure connection gaps and waiting time exist, and continuous production cannot be realized. Resulting in low production efficiency and difficulty in adapting to the large-scale requirements. Disclosure of Invention The invention mainly aims to provide a high-voltage direct-current relay with a coil terminal module, and aims to improve the production efficiency and the reliability of the high-voltage direct-current relay. In order to achieve the above object, the present invention provides a high voltage dc relay with a coil terminal module, including a housing, a contact system, and an arc extinguishing system, the high voltage dc relay with a coil terminal module further includes: The coil terminal module is arranged in the shell, comprises a framework, an iron core arranged in the framework, a winding wound on the framework and a control board assembly connected with the framework, wherein a terminal of the winding is electrically connected with the control board assembly, the iron core is used for being connected with the contact system, and The yoke assembly is arranged in the shell and comprises a U-shaped yoke and a flat yoke, the flat yoke is connected with the upper end of the framework, one end of the U-shaped yoke is positioned on the outer side of the control panel assembly and is matched with the control panel assembly in a positioning mode, and two ends of the U-shaped yoke are fixedly connected with the flat yoke. In one embodiment, the control board assembly comprises a circuit board and a lead-out piece, and a first positioning groove is formed at one end of the U-shaped yoke; The leading-out piece is connected with the circuit board and is positioned at one side of the circuit board, which is opposite to the winding; The first positioning groove is matched with the side wall of the leading-out piece in a positioning way. In one embodiment, the control board assembly comprises a circuit board and a lead-out piece, wherein a second positioning groove is formed at the upper end of the circuit board, and a first positioning protrusion is formed on the framework; The second positioning groove is matched with the first positioning protrusion in a positioning way. In one embodiment, the circuit board assembly has a positioning hole, and the lead-out member is formed with a second positioning protrusion; the positioning hole is arranged in a penetrating manner along the thickness direct