CN-122000247-A - Static contact assembly, contact assembly and relay

Abstract

The application provides a static contact assembly of a relay, a contact assembly and the relay. The static contact assembly comprises a conductive piece and a connecting piece. The conductive piece comprises a first surface and a second surface, a static contact is arranged on the first surface and is positioned at the end part of the conductive piece in the first direction, and the first direction is the length direction of the static contact assembly. The connecting piece is connected to the second surface of the conductive piece and extends along the first direction of the conductive piece in a direction away from the conductive piece. Wherein the connecting piece and the conducting piece are made of different materials, and the connecting piece and the conducting piece are connected at the static contact.

Inventors

• DAI WENGUANG
• LIAO GUOJIN
• LI FANGNENG

Assignees

• 厦门宏发电力电器有限公司

Dates

Publication Date

20260508

Application Date

20260331

Claims (18)

1. 1. A static contact assembly of a relay, comprising: The conductive piece comprises a first surface and a second surface, wherein a static contact is arranged on the first surface and is positioned at the end part of the conductive piece in a first direction, and the first direction is the length direction of the static contact assembly; The connecting piece is connected to the second surface of the conductive piece and extends in a direction away from the conductive piece along the first direction of the conductive piece, and the connecting piece is connected with the conductive piece at the fixed contact; Wherein the material of the connecting piece and the conductive piece is different.
2. 2. The static contact assembly of claim 1, wherein the connection member has a conductivity less than a conductivity of the conductive member.
3. 3. The stationary contact assembly of claim 1, further comprising a first magnetic conductor disposed on the connector and on the same side of the connector as the conductive member.
4. 4. A stationary contact assembly according to claim 3, wherein, The connecting piece and the first magnetizer are of an integrated structure.
5. 5. A stationary contact assembly according to claim 3, wherein, The connecting piece and the first magnetizer are of a split structure.
6. 6. The static contact assembly of claim 5, wherein the connector is provided with a protrusion or the first magnetizer is provided with a protrusion; The connecting piece is connected with the first magnetizer in a riveting way through the protruding bud.
7. 7. The static contact assembly according to any one of claims 3 to 6, wherein the connecting member and the first magnetizer are made of the same material.
8. 8. The stationary contact assembly of any one of claims 3-6, wherein the connecting member comprises a hollowed-out structure, at least a portion of the first magnetic conductor covering at least a portion of the hollowed-out structure.
9. 9. The stationary contact assembly of claim 1, wherein the connecting member and the conductive member are riveted by the stationary contact.
10. 10. The stationary contact assembly of claim 1, wherein the conductive member is copper, silver, gold, aluminum, tungsten, zinc, nickel or lithium, and the connecting member is iron, silicon steel or nickel-iron alloy.
11. 11. A contact assembly, characterized by comprising a movable contact assembly and a static contact assembly according to any one of claims 1-10, wherein the movable contact assembly comprises a movable spring and a movable contact, the movable contact is arranged on the movable spring, and the movable spring can drive the movable contact to contact with or disconnect from the static contact.
12. 12. The contact assembly of claim 11, wherein the movable contact assembly further comprises a second magnetic conductor disposed on the movable spring and on the same side of the movable spring as the movable contact.
13. 13. The contact assembly of claim 12, wherein the stationary contact assembly further comprises a first magnetizer, the first magnetizer and the second magnetizer being disposed opposite each other and having a distance, and wherein at least one distance limiting structure is disposed between the first magnetizer and the second magnetizer.
14. 14. The contact assembly of claim 11, wherein the movable contact assembly comprises a compression spring, a fixed portion of the compression spring is fixedly connected to the movable contact, and the compression spring comprises at least two layers of spring leaves.
15. 15. A relay comprising a base and a contact assembly according to any one of claims 11 to 14, the contact assembly being provided to the base.
16. 16. The relay of claim 15, further comprising a sampling signal wire connection structure riveted or plugged to the contact assembly and electrically connected to the contact assembly.
17. 17. The relay of claim 15, wherein an end of the connecting member of the stationary contact assembly, which is remote from the conductive member in the first direction of the conductive member, is provided with a clip, and the clip clips into the base.
18. 18. A relay according to any one of claims 15 to 16, wherein a locating block is provided on a surface of the connecting member facing away from the conductive member, a locating groove is provided at a position of the base corresponding to the locating block, and the locating block is provided in the locating groove.

Description

Static contact assembly, contact assembly and relay Technical Field The application relates to the field of relays, in particular to a static contact assembly, a contact assembly and a relay. Background A relay is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), which is generally used in an automatic control circuit. A relay is in fact an "automatic switch" that uses a smaller current to control a larger current. Therefore, the circuit plays roles of automatic adjustment, safety protection, circuit switching and the like. The relay is generally composed of a static contact piece and a movable spring piece, wherein a static contact is arranged on the static contact piece, a movable contact is arranged on the movable spring piece, and the movable contact and the static contact can be mutually contacted and separated so as to realize the connection and disconnection of a circuit. In the prior art, when manufacturing a static contact, the head of a manufacturing die is required to be flattened, and the manufacturing die is complex. Disclosure of Invention The application mainly aims to provide a static contact assembly, a contact assembly and a relay, which are simple to manufacture and capable of saving materials and reducing cost. In order to achieve the above purpose, the application adopts the following technical scheme: According to one aspect of the present application, there is provided a static contact assembly of a relay including a conductive member and a connecting member. The conductive piece comprises a first surface and a second surface, wherein a static contact is arranged on the first surface and is positioned at the end part of the conductive piece in the first direction, the first direction is the length direction of the static contact assembly, a connecting piece is connected to the second surface of the conductive piece and extends along the first direction of the conductive piece in a direction away from the conductive piece, the connecting piece is connected with the conductive piece at the static contact, and the connecting piece and the conductive piece are different in material. According to one embodiment of the application, the electrical conductivity of the connection element is smaller than the electrical conductivity of the conductive element. According to one embodiment of the present application, the connector further comprises a first magnetizer, wherein the first magnetizer is disposed on the same side of the connector as the conductive member. According to one embodiment of the application, the connector and the first magnetizer are of unitary construction. According to one embodiment of the application, the connecting piece and the first magnetizer are of a split structure. According to one embodiment of the application, the connecting piece is provided with a protrusion, or the first magnetizer is provided with a protrusion, and the connecting piece is riveted with the first magnetizer through the protrusion. According to one embodiment of the present application, the material of the connecting piece and the material of the first magnetizer are the same. According to one embodiment of the present application, the connecting member includes a hollow structure, and at least part of the first magnetizer covers at least part of the hollow structure. According to one embodiment of the application, the connecting piece and the conductive piece are connected through riveting of the fixed contact. According to one embodiment of the present application, the conductive member is made of copper, silver, gold, aluminum, tungsten, zinc, nickel or lithium, and the connecting member is made of iron, silicon steel or nickel-iron alloy. According to another aspect of the application, the application further provides a contact assembly, which comprises a movable contact assembly and the above static contact assembly, wherein the movable contact assembly comprises a movable spring and a movable contact, the movable contact is arranged on the movable spring, and the movable spring can drive the movable contact to contact with or disconnect from the static contact. According to one embodiment of the application, the movable contact assembly further comprises a second magnetizer, wherein the second magnetizer is arranged on the movable spring and is positioned on the same side of the movable spring as the movable contact. According to one embodiment of the present application, the static contact assembly further includes a first magnetizer, the first magnetizer and the second magnetizer are disposed opposite to each other and have a distance, and at least one distance limiting structure is disposed between the first magnetizer and the second magnetizer. According to one embodiment of the application, the movable contact assembly comprises a pressure spring, a fixing part of the pressure spring is fixedly connec