CN-224217440-U - Relay, electronic device, and vehicle

CN224217440UCN 224217440 UCN224217440 UCN 224217440UCN-224217440-U

Abstract

The present disclosure relates to a relay, an electronic device, and a vehicle. The relay comprises a relay matrix and a shell, wherein the relay matrix is arranged in the shell, and the relay further comprises a heat conducting layer, wherein the heat conducting layer is positioned in the shell, the heat conductivity of the heat conducting layer is larger than or equal to that of a contact in the relay matrix, and the area of the heat conducting layer is larger than that of the contact. Through the technical scheme of this disclosure, through setting up the heat conduction layer in the relay, the heat conductivity of heat conduction layer is greater than or equal to the heat conductivity of the contact in the relay base member, and the area of heat conduction layer is greater than the area of contact, make the inside moisture of entering shell freeze on the heat conduction layer preferentially, prevent that contact area temperature is too low and frosting, ensure that the contact still can reliably electrically conduct under low temperature environment, avoid because of the poor contact that frosting leads to, the reliability of relay has been improved, can also effectively avoid organic gas to condense on the contact, lead to the problem of contact inefficacy, the reliability of relay in organic gas environment has been improved.

Inventors

CHENG ZHIMIN
ZHANG GUANGYONG
CHEN WENFEI
LIN PINGPING
LU YUN

Assignees

浙江吉利控股集团有限公司
吉利汽车研究院（宁波）有限公司

Dates

Publication Date: 20260508
Application Date: 20250516

Claims (10)

1. The relay is characterized by comprising a relay base body and a shell, wherein the relay base body is arranged in the shell; The relay further comprises a heat conducting layer, wherein the heat conducting layer is positioned in the shell, the heat conductivity of the heat conducting layer is larger than or equal to that of a contact in the relay matrix, and the area of the heat conducting layer is larger than that of the contact.
2. The relay of claim 1, wherein the thermally conductive layer is located on an outer surface of the relay substrate.
3. The relay of claim 1, wherein the thermally conductive layer is spaced from the contact by a distance of 5mm or more and 10mm or less along a plane parallel to the thermally conductive layer.
4. The relay of claim 1, wherein the contacts comprise a movable contact and a stationary contact, and the relay base further comprises a movable reed and a stationary reed; the side of the movable reed facing the shell is provided with the heat conducting layer, and/or, The heat conduction layer at least covers one side of the static reed, which faces the shell.
5. The relay of claim 4, wherein the movable spring is disposed in conjunction with an armature in the relay base, the stationary spring is disposed on a base of the relay base and corresponds to the movable spring, the movable contact is disposed on the movable spring, and the stationary contact is disposed on the stationary spring and corresponds to the movable contact.
6. The relay of claim 1, wherein the thermally conductive layer has a thermal conductivity equal to that of the contact, and wherein a ratio of an area of the thermally conductive layer to an area of the contact is 10 or more.
7. The relay of claim 1, wherein the thermally conductive layer is further disposed on an inner surface of a side of the housing facing the contacts.
8. The relay of any of claims 1-7, wherein the thermally conductive layer comprises a silver plating.
9. An electronic device comprising a relay according to any one of claims 1-8.
10. A vehicle comprising the electronic device of claim 9.

Description

Relay, electronic device, and vehicle Technical Field The disclosure relates to the technical field of vehicles, in particular to a relay, electronic equipment and a vehicle. Background In the automotive industry, relays are used as a core component of a low voltage power distribution system for vehicles, and the contact reliability of the relay directly affects the normal operation of vehicle electronic equipment. Along with the continuous improvement of the intelligent degree of the automobile, the reliability requirement on the relay is also higher and higher. In cold areas or in environments with abrupt temperature changes, air in the relay is rapidly cooled, relay contacts are usually made of silver, other parts are made of copper or iron, silver has better heat conductivity than copper or iron, the contacts are rapidly cooled in the event of abrupt temperature changes, and moisture is condensed into frost on the contacts to form a layer of ice crystals. The contacts after frosting cannot conduct electricity normally, so that the relay cannot work normally after being attracted, and the normal operation of related systems is affected. Disclosure of utility model In order to solve the technical problems or at least partially solve the technical problems, the disclosure provides a relay, electronic equipment and a vehicle, which avoid icing of contacts of the relay and improve the working reliability of the relay. In a first aspect, the present disclosure provides a relay comprising: A relay base body and a housing, the relay base body being mounted inside the housing; The relay further comprises a heat conducting layer, wherein the heat conducting layer is positioned in the shell, the heat conductivity of the heat conducting layer is larger than or equal to that of a contact in the relay matrix, and the area of the heat conducting layer is larger than that of the contact. Optionally, the thermally conductive layer is disposed on the relay substrate. Optionally, the thermally conductive layer is located on an outer surface of the relay substrate. Optionally, the distance between the heat conducting layer and the contact is greater than or equal to 5mm and less than or equal to 10mm along a plane parallel to the heat conducting layer. Optionally, the contact comprises a movable contact and a fixed contact, and the relay base body further comprises a movable reed and a fixed reed; the side of the movable reed facing the shell is provided with the heat conducting layer, and/or, The heat conduction layer at least covers one side of the static reed, which faces the shell. Optionally, the movable spring is in linkage with an armature in the relay base, the static spring is located on a base of the relay base and corresponds to the movable spring, the movable contact is arranged on the movable spring, and the static contact is located on the static spring and corresponds to the movable contact. Optionally, the thermal conductivity of the thermally conductive layer is equal to the thermal conductivity of the contact, and the ratio of the area of the thermally conductive layer to the area of the contact is greater than or equal to 10. Optionally, the heat conducting layer is further disposed on an inner surface of the side of the housing facing the contacts. Optionally, the thermally conductive layer comprises a silver plating layer. In a second aspect, the present disclosure also provides an electronic device comprising a relay as provided in the first aspect. In a third aspect, the present disclosure also provides a vehicle comprising an electronic device as provided in the second aspect. The disclosure provides a relay, electronic equipment and a vehicle, wherein the relay comprises a relay matrix and a shell, the relay matrix is arranged in the shell, the relay further comprises a heat conducting layer, the heat conducting layer is positioned in the shell, the heat conductivity of the heat conducting layer is larger than or equal to that of a contact in the relay matrix, and the area of the heat conducting layer is larger than that of the contact. Therefore, the heat conduction layer is arranged in the relay, the heat conduction layer is positioned in the shell, the heat conductivity of the heat conduction layer is greater than or equal to that of the contact in the relay matrix, the area of the heat conduction layer is greater than that of the contact, moisture entering the interior of the shell is enabled to freeze on the heat conduction layer preferentially, the contact area is prevented from frosting due to excessively low temperature, the contact is ensured to be still reliably conductive in a low-temperature environment, poor contact caused by frosting is avoided, the reliability of the relay is improved, the problem that organic gas is condensed on the contact to cause contact failure can be effectively avoided, the reliability of the relay in an organic gas environment is improved, the existing relay