Relay and vehicle

By designing an ice-breaking contact mechanism in the relay, using the non-planar contact surface and special structure ice-breaking dynamic contacts and static contacts, the functional failure problem caused by the icing of the contact is solved, and normal operation is achieved in the case of icing.

CN223092776UActive Publication Date: 2025-07-11GREAT WALL MOTOR CO LTD
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Patent Information

Application Number
CN202422136807.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-30
Publication Date
2025-07-11
Estimated Expiration
2034-08-30

AI Technical Summary

Technical Problem

The existing relays cannot turn on after the contacts freeze, resulting in functional failure.

Method used

A relay is designed, using an ice-breaking contact mechanism. The contact surfaces of the ice-breaking dynamic contacts and/or ice-breaking static contacts are non-planar, and are provided with grids, strip-shaped ice-breaking edges, spikes or spherical protrusions to increase the contact pressure and break freeze.

Benefits of technology

In the case of freezing, the ice-breaking contact mechanism can be closed normally to ensure the normal operation of the relay.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a relay, and belongs to the technical field of vehicle accessories. The relay comprises a sealing shell, a relay body, a main contact mechanism and an icebreaking contact mechanism. The relay body is connected inside the sealing shell; the main contact mechanism is connected to the relay body; the icebreaking contact mechanism is connected to the relay body; the icebreaking contact mechanism comprises an icebreaking static contact, a first movable spring and an icebreaking movable contact; the icebreaking static contact is connected to the relay body; the first movable spring is connected to the relay body; the icebreaking movable contact is connected to the first movable spring; and the contact surface of the icebreaking movable contact and / or the contact surface of the icebreaking static contact are / is non-planar. According to the relay provided by the utility model, after the contacts are iced, when the two contacts of the icebreaking contact mechanism are closed, the contact surface is point-surface contact or point-point contact, and the pressure generated on the contact surface is large, so that the ice on the contacts is broken, and the two contacts can be ensured to work in a closed manner under the condition of icing.
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Description

Technical Field

[0001] The utility model belongs to the technical field of vehicle accessories, and more specifically, relates to a relay and a vehicle. Background Art

[0002] During the production process of a PCB fuse box, a PCB relay needs to be soldered to a PCB board. During the soldering process, the furnace temperature reaches 260°C, which easily causes the sealant at the shell of the PCB relay to leak, and there is a possibility of transmission to the inside of the relay in a low-temperature and high-humidity environment in winter. When the relay works, the contact temperature rises, and after it stops working, the contact temperature drops, and there is a possibility of icing during the dropping process. Icing will cause the contacts to be unable to conduct when the relay works and closes again, resulting in functional failure. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a relay, aiming to solve the problem that the contacts of the existing relay cannot conduct and the function fails after the contacts are iced.

[0004] To achieve the above purpose, the technical solution adopted by the utility model is: to provide a relay and a vehicle.

[0005] In the first aspect, the relay provided by the utility model includes:

[0006] A sealing shell;

[0007] A relay body, connected inside the sealing shell;

[0008] A main contact mechanism, connected to the relay body; and

[0009] An ice-breaking contact mechanism, connected to the relay body; the ice-breaking contact mechanism includes:

[0010] An ice-breaking static contact, connected to the relay body;

[0011] A first moving spring, connected to the relay body; and

[0012] An ice-breaking moving contact, connected to the first moving spring; the contact surface of the ice-breaking moving contact and / or the contact surface of the ice-breaking static contact is not a plane.

[0013] In a possible implementation manner, a grid is provided on the contact surface of the ice-breaking moving contact and / or the contact surface of the ice-breaking static contact.

[0014] In a possible implementation manner, strip-shaped ice-breaking edges are provided on the contact surface of the ice-breaking moving contact and / or the contact surface of the ice-breaking static contact.

[0015] In a possible implementation, spikes are provided on the contact surface of the ice-breaking moving contact and / or the contact surface of the ice-breaking static contact.

[0016] In a possible implementation, spherical protrusions are provided on the contact surface of the ice-breaking moving contact and / or the contact surface of the ice-breaking static contact.

[0017] In a possible implementation, the main contact mechanism includes:

[0018] A main static contact connected to the relay body;

[0019] A second moving spring connected to the relay body; and

[0020] A main moving contact connected to the second moving spring; the contact surfaces of the main moving contact and the main static contact are both flat surfaces.

[0021] In a possible implementation, the enclosure includes an inner housing to which the relay body is connected. Pins are provided on the inner housing, and the enclosure is connected to the PCB through the pins.

[0022] In a possible implementation, the enclosure further includes an outer package disposed outside the inner housing.

[0023] In a possible implementation, a gap is reserved between the outer package and the inner housing.

[0024] In a second aspect, a vehicle provided by the present utility model includes: the relay as described in the first aspect.

[0025] The beneficial effects of the relay provided by the present utility model are as follows: Compared with the prior art, after ice forms on the contacts of the relay of the present utility model, when the main contact mechanism and the ice-breaking contact mechanism are closed, since the contact surface between the ice-breaking moving contact and / or the ice-breaking static contact is non-planar, when the two contacts are closed, the contact surface is point-plane contact or point-point contact, and the pressure generated on the contact surface is relatively large, thereby breaking the ice on the contacts, so as to ensure that the two contacts can be closed and operate under the condition of ice formation. Description of the Drawings

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0027] Figure 1 It is a schematic structural diagram of the relay provided by the embodiment of the present utility model;

[0028] Figure 2 This is a schematic structural diagram of the first ice-breaking moving contact or ice-breaking static contact provided by an embodiment of the present invention;

[0029] Figure 3 This is a schematic structural diagram of the second ice-breaking moving contact or ice-breaking static contact provided by an embodiment of the present invention;

[0030] Figure 4 This is a schematic structural diagram of the third ice-breaking moving contact or ice-breaking static contact provided by an embodiment of the present invention;

[0031] Figure 5 This is a schematic structural diagram of the fourth ice-breaking moving contact or ice-breaking static contact provided by an embodiment of the present invention.

[0032] Description of the reference numerals:

[0033] 1. Sealing shell; 11. Inner housing; 12. Outer encapsulation; 2. Relay body; 3. Main contact mechanism; 31. Main static contact; 32. Second moving spring; 33. Main static contact; 4. Ice-breaking contact mechanism; 41. Ice-breaking static contact; 42. First moving spring; 43. Ice-breaking moving contact. Detailed implementation manners

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] Refer to Figure 1 and Figure 5 Now, the relay and vehicle provided by the present invention will be described.

[0036] In a first aspect, the relay provided in this embodiment includes a sealing shell 1, a relay body 2, a main contact mechanism 3 and an ice-breaking contact mechanism 4. The relay body 2 is installed inside the sealing shell 1, and both the main contact mechanism 3 and the ice-breaking contact mechanism 4 are installed on the relay body 2. The contact area of the ice-breaking contact mechanism 4 is smaller than that of the main contact mechanism 3. The ice-breaking contact mechanism 4 includes an ice-breaking static contact 41 and a first moving spring 42 connected to the relay body and an ice-breaking moving contact 43 installed on the first moving spring 42. The contact surface between the ice-breaking moving contact 43 and / or the ice-breaking static contact 41 is not a plane.

[0037] Compared with the prior art, for the relay provided by the present utility model, when there is no ice formation on both the main contact mechanism 3 and the ice-breaking contact mechanism 4, the main contact mechanism 3 is the main working component. When ice forms on both the main contact mechanism 3 and the ice-breaking contact mechanism 4, since the contact area of the contacts of the ice-breaking contact mechanism 4 is smaller than that of the contacts of the main contact mechanism 3, when the contacts are closed, the pressure between the contacts of the ice-breaking contact mechanism 4 is greater than the pressure between the contacts of the main contact mechanism 3. Therefore, the ice-breaking contact mechanism 4 can break the ice formed on the contacts, so that the contacts of the ice-breaking contact mechanism 4 can be normally closed, and thus the relay can work normally under ice-covered conditions.

[0038] Optionally, a grid is provided on the contact surface of the ice-breaking moving contact 43 and / or the contact surface of the ice-breaking static contact 41. The grid is a convex grid. When the ice-breaking static contact 41 and the ice-breaking moving contact 43 come into contact, the convex grid first contacts the ice surface. Since the contact area between the grid and the ice surface is small and the applied pressure is large, the grid on the ice-breaking moving contact 43 and / or the ice-breaking static contact 41 will break the ice formed on the contacts, so that the ice-breaking static contact 41 and the ice-breaking moving contact 43 can be closed together.

[0039] Optionally, strip-shaped ice-breaking edges are provided on the contact surface of the ice-breaking moving contact 43 and / or the contact surface of the ice-breaking static contact 41. A plurality of strip-shaped ice-breaking edges are provided on the contact surface of the ice-breaking moving contact 43 and / or the contact surface of the ice-breaking static contact 41. The strip-shaped ice-breaking edge is a triangular prism. When the ice-breaking static contact 41 and the ice-breaking moving contact 43 come into contact, one edge of the strip-shaped ice-breaking edge first contacts the ice surface. Since the contact area between the strip-shaped ice-breaking edge and the ice surface is small and the applied pressure is large, the strip-shaped ice-breaking edges on the ice-breaking moving contact 43 and / or the ice-breaking static contact 41 will break the ice formed on the contacts, so that the ice-breaking static contact 41 and the ice-breaking moving contact 43 can be closed together. It should be noted that when strip-shaped ice-breaking edges are provided on both the contact surface of the ice-breaking moving contact 43 and the contact surface of the ice-breaking static contact 41, the strip-shaped ice-breaking edges on the ice-breaking moving contact 43 and the strip-shaped ice-breaking edges on the ice-breaking static contact 41 are arranged in a staggered manner.

[0040] Optionally, spikes are provided on the contact surface of the ice-breaking moving contact 43 and / or the contact surface of the ice-breaking static contact 41. A plurality of spikes are provided on the contact surface of the ice-breaking moving contact 43 and / or the contact surface of the ice-breaking static contact 41. The spike is a multi-pyramid or a cone. When the ice-breaking static contact 41 and the ice-breaking moving contact 43 come into contact, the tip of the spike first contacts the ice surface. Since the contact area between the tip of the spike and the ice surface is small and the applied pressure is large, the spikes on the ice-breaking moving contact 43 and / or the ice-breaking static contact 41 will break the ice formed on the contacts, so that the ice-breaking static contact 41 and the ice-breaking moving contact 43 can be closed together. It should be noted that when spikes are provided on both the contact surface of the ice-breaking moving contact 43 and the contact surface of the ice-breaking static contact 41, the spikes on the ice-breaking moving contact 43 and the spikes on the ice-breaking static contact 41 are arranged in a staggered manner.

[0041] Optionally, spherical protrusions are provided on the contact surface of the ice-breaking moving contact 43 and / or the contact surface of the ice-breaking static contact 41. A plurality of spherical protrusions are provided on the contact surface of the ice-breaking moving contact 43 and / or the contact surface of the ice-breaking static contact 41. The spherical protrusions are hemispherical. When the ice-breaking static contact 41 and the ice-breaking moving contact 43 are in contact, the tip of the spherical protrusion first contacts the ice surface. Since the contact area between the tip of the spherical protrusion and the ice surface is small and the applied pressure is large, the spherical protrusions on the ice-breaking moving contact 43 and / or the ice-breaking static contact 41 will break the ice on the contact points, so that the ice-breaking static contact 41 and the ice-breaking moving contact 43 can be closed together. It should be noted that when spherical protrusions are provided on both the contact surface of the ice-breaking moving contact 43 and the contact surface of the ice-breaking static contact 41, the spherical protrusions on the ice-breaking moving contact 43 and the spherical protrusions on the ice-breaking static contact 41 are arranged in a staggered manner.

[0042] Optionally, the main contact mechanism 3 includes a main static contact 3331 and a second moving spring 32 mounted on the relay body 2, and a main moving contact mounted on the second moving spring 32. The contact surfaces of the main moving contact and the main static contact 3331 are both flat surfaces. When there is no ice formation on both the main contact mechanism 3 and the ice-breaking contact mechanism 4, the main contact mechanism 3 is the main working component, and the main moving contact and the main static contact 3331 are closed for operation.

[0043] Optionally, the enclosure 1 includes an inner housing 11, the relay body 2 is connected to the inner housing 11, the inner housing 11 is provided with pins, and the enclosure 1 is connected to the PCB board through the pins.

[0044] Optionally, the enclosure 1 further includes an outer package 12 provided outside the inner housing 11.

[0045] Optionally, a gap is reserved between the outer package 12 and the inner housing 11.

[0046] The relay provided in this embodiment is a PCB relay. A PCB relay is a miniaturized electronic control device. The circuit board miniaturizes and visualizes the circuit, which plays an important role in the mass production of fixed circuits and the optimization of the electrical appliance layout. It has a control system (also known as the input loop) and a controlled system (also known as the output loop), and is usually applied to automatic control circuits. A PCB relay is actually an "automatic switch" that uses a smaller current to control a larger current, and plays roles such as automatic regulation, safety protection, and circuit conversion in the circuit. Due to its small size, powerful functions, and easy integration, PCB relays are widely used in automation control fields such as petrochemical instrumentation equipment, food machinery, packaging machinery, textile machinery, numerical control machine tools, plastic machinery, fitness equipment, and entertainment equipment. They can control small motors, incandescent lamps, indicator lights, low-power power supplies, intelligent instruments and various solenoid valves, etc., and can also be used as the driving stage of high-power electromagnetic contactors.

[0047] When soldering a PCB relay, attention should be paid to temperature control. Otherwise, excessive temperature will not only cause poor soldering but also damage electronic components. The soldering temperature of the PCB relay needs to be determined through experiments, and the specific temperature depends on factors such as the material, size, and ambient temperature of the relay. Generally speaking, 220°C - 250°C is a suitable soldering temperature range. If the material of the relay is relatively fragile, the temperature can also be appropriately reduced to around 200°C. It should be noted that too high a soldering temperature will cause the contact points to become blocked, resulting in the failure of the relay switch.

[0048] The high temperature generated when soldering the PCB relay onto the PCB board will cause some of the sealant between the bottom cover and the inner shell to melt, resulting in a gap between the bottom cover and the inner shell. In winter, cold and humid air from the external environment will enter the inner housing 11 through the gap, causing there to be more water vapor in the working environment of the PCB relay. When the PCB relay finishes working, the temperature of the relay contacts gradually decreases. When the temperature of the contacts drops below the freezing point, ice will form on the contacts.

[0049] The shape of the outer package 12 is annular. The outer package 12 seals the sealant part of the inner housing 11. Air from the external environment cannot enter the fixed inner housing 11. Dry air or dry inert gas is filled in the inner housing 11. In cold winter, when the temperature of the external environment drops below the freezing point, even if the temperature inside the inner housing 11 is below the freezing point, since there is no water vapor in the inner housing 11, ice will not form on the contacts of the PCB relay.

[0050] An isolation groove is provided on the inner wall of the outer package 12. Under the action of the isolation groove, a closed space is formed between the outer package 12 and the inner housing 11. Air is filled in the closed space between the outer package 12 and the inner housing 11, and air is also filled in the inner housing 11. After the outer package 12 isolates the sealant part of the inner housing 11, the air layer between the outer package 12 and the inner housing 11 is used for heat preservation, avoiding the temperature inside the inner housing 11 from changing too much with the external environment, thus preventing the temperature inside the inner housing 11 from dropping below the freezing point, and thus preventing ice from forming on the contacts of the PCB relay.

[0051] An isolation groove is provided on the outer wall of the inner housing 11. Under the action of the isolation groove, a closed space is formed between the outer package 12 and the inner housing 11. Air is filled in the closed space between the outer package 12 and the inner housing 11, and air is also filled in the inner housing 11. After the outer package 12 isolates the sealant part of the inner housing 11, the air layer between the outer package 12 and the inner housing 11 is used for heat preservation, avoiding the temperature inside the inner housing 11 from changing too much with the external environment, thus preventing the temperature inside the inner housing 11 from dropping below the freezing point, and thus preventing ice from forming on the contacts of the PCB relay.

[0052] Isolation grooves are provided on the inner wall of the outer package 12 and the outer wall of the inner housing 11. Under the action of the isolation grooves, a closed space is formed between the outer package 12 and the inner housing 11. Air is filled in the closed space between the outer package 12 and the inner housing 11, and air is also filled in the inner housing 11. After the outer package 12 isolates the potting area of the inner housing 11, the air layer between the outer package 12 and the inner housing 11 is used for heat preservation, so as to avoid excessive change of the temperature inside the inner housing 11 with the external environment, thereby avoiding the temperature inside the inner housing 11 dropping below the freezing point, and thus avoiding icing on the PCB relay contacts.

[0053] The outer package 12 is a housing with an open bottom. The outer package 12 is sleeved on the inner housing 11 through the opening. The outer package 12 wraps and seals the side and top of the inner housing 11. The air in the external environment cannot enter the fixed inner housing 11. Dry air or dry inert gas is filled in the inner housing 11. In the cold winter, when the temperature of the external environment drops below the freezing point, even if the temperature in the inner housing 11 is lower than the freezing point, since there is no water vapor in the inner housing 11, icing will not occur on the contacts of the PCB relay. At the same time, by wrapping the inner housing 11 with the outer package 12, the inner housing 11 is prevented from directly contacting the external environment, delaying the rate of change of the temperature inside the inner housing 11, and further reducing the possibility of icing on the PCB relay contacts.

[0054] A certain gap is reserved between the outer package 12 and the inner housing 11. Dry air or inert gas is filled in the gap between the outer package 12 and the inner housing 11. To prevent the inner housing 11 from directly contacting the outer package 12, the dry gas between the outer package 12 and the inner housing 11 isolates the outer package 12 and the inner housing 11, avoiding the direct contact between the inner housing 11 and the outer package 12, further reducing the rate of decrease of the temperature inside the inner housing 11, and reducing the possibility of icing on the PCB relay contacts.

[0055] A first separation groove is provided on the inner side wall of the outer package 12. The first separation groove separates the outer package 12 from the inner housing 11. Dry air or inert gas is filled in the first separation groove. The dry air or inert gas in the first separation groove prevents the inner housing 11 from directly contacting the outer package 12. The dry gas between the outer package 12 and the inner housing 11 isolates the outer package 12 and the inner housing 11, avoiding the direct contact between the inner housing 11 and the outer package 12, further reducing the rate of decrease of the temperature inside the inner housing 11, and reducing the possibility of icing on the PCB relay contacts.

[0056] A second separation groove is formed on the outer sidewall of the inner housing 11. The second separation groove separates the outer package 12 from the inner housing 11. Dry air or inert gas is filled in the second separation groove. The dry air or inert gas in the second separation groove prevents the inner housing 11 from directly contacting the outer package 12. The dry gas between the outer package 12 and the inner housing 11 isolates the outer package 12 from the inner housing 11, avoiding direct contact between the inner housing 11 and the outer package 12, further reducing the rate of temperature decrease inside the inner housing 11 and reducing the possibility of ice formation on the PCB relay contacts.

[0057] A first separation groove is formed on the inner sidewall of the outer package 12, and a second separation groove is formed on the outer sidewall of the inner housing 11. The first separation groove and the second separation groove are arranged oppositely, and the first separation groove and the second separation groove separate the outer package 12 from the inner housing 11. Dry air or inert gas is filled in the first separation groove and the second separation groove. The dry air or inert gas in the first separation groove and the second separation groove prevents the inner housing 11 from directly contacting the outer package 12. The dry gas between the outer package 12 and the inner housing 11 isolates the outer package 12 from the inner housing 11, avoiding direct contact between the inner housing 11 and the outer package 12, further reducing the rate of temperature decrease inside the inner housing 11 and reducing the possibility of ice formation on the PCB relay contacts.

[0058] First protrusions are provided at the four corners of the inner wall of the top of the outer package 12. When assembling the outer package 12 and the inner housing 11, under the action of the first protrusions, the top of the inner housing 11 does not contact the top of the outer package 12, leaving a certain space, thereby separating the inner housing 11 from the outer package 12. Further avoiding contact between the inner housing 11 and the outer package 12, reducing the influence of the external environment on the temperature of the inner housing 11, and further reducing the possibility of ice formation on the contacts of the PCB relay inside the inner housing 11.

[0059] A second protrusion is provided at the central position of the inner wall of the top of the outer package 12. When assembling the outer package 12 and the inner housing 11, under the action of the second protrusions, the top of the inner housing 11 does not contact the top of the outer package 12, leaving a certain space, thereby separating the inner housing 11 from the outer package 12. Further avoiding contact between the inner housing 11 and the outer package 12, reducing the influence of the external environment on the temperature of the inner housing 11, and further reducing the possibility of ice formation on the contacts of the PCB relay inside the inner housing 11.

[0060] At the four corners of the inner wall of the top of the outer package 12, first protrusions are provided. At the central position of the inner wall of the top of the outer package 12, a second protrusion is provided. The first protrusion and the second protrusion have the same thickness, and the first protrusion and the second protrusion cooperate to separate the outer package 12 from the inner housing 11. Further avoid the contact between the inner housing 11 and the outer package 12, reduce the influence of the external environment on the temperature of the inner housing 11, and further reduce the possibility of icing on the contacts of the PCB relay inside the inner housing 11.

[0061] At the four corners of the outer wall of the top of the inner housing 11, third protrusions are provided. When assembling the outer package 12 and the inner housing 11, under the action of the third protrusions, the top of the inner housing 11 does not contact the top of the outer package 12, and there is a certain space, so as to separate the inner housing 11 from the outer package 12. Further avoid the contact between the inner housing 11 and the outer package 12, reduce the influence of the external environment on the temperature of the inner housing 11, and further reduce the possibility of icing on the contacts of the PCB relay inside the inner housing 11.

[0062] At the central position of the outer wall of the top of the inner housing 11, a fourth protrusion is provided. When assembling the outer package 12 and the inner housing 11, under the action of the fourth protrusions, the top of the inner housing 11 does not contact the top of the outer package 12, and there is a certain space, so as to separate the inner housing 11 from the outer package 12. Further avoid the contact between the inner housing 11 and the outer package 12, reduce the influence of the external environment on the temperature of the inner housing 11, and further reduce the possibility of icing on the contacts of the PCB relay inside the inner housing 11.

[0063] At the four corners of the inner wall of the top of the outer package 12, third protrusions are provided. At the central position of the inner wall of the top of the outer package 12, a fourth protrusion is provided. The third protrusion and the fourth protrusion have the same thickness, and the third protrusion and the fourth protrusion cooperate to separate the outer package 12 from the inner housing 11. Further avoid the contact between the inner housing 11 and the outer package 12, reduce the influence of the external environment on the temperature of the inner housing 11, and further reduce the possibility of icing on the contacts of the PCB relay inside the inner housing 11.

[0064] At the four corners of the inner wall of the top of the outer package 12, first protrusions are provided. At the central position of the inner wall of the top of the outer package 12, a second protrusion is provided. At the four corners of the inner wall of the top of the outer package 12, third protrusions are provided. At the central position of the inner wall of the top of the outer package 12, a fourth protrusion is provided. The first protrusion, the second protrusion, the third protrusion and the fourth protrusion have the same thickness, and the positions of the first protrusion and the third protrusion correspond, and the positions of the second protrusion and the fourth protrusion correspond. The first protrusion, the second protrusion, the third protrusion and the fourth protrusion cooperate to separate the outer package 12 from the inner housing 11. Further avoid the contact between the inner housing 11 and the outer package 12, reduce the influence of the external environment on the temperature of the inner housing 11, and further reduce the possibility of icing on the contacts of the PCB relay inside the inner housing 11.

[0065] In a second aspect, the present utility model provides a vehicle, which includes the relay as described in the first aspect.

[0066] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. Relay, characterized in that, Comprising: A housing (1); A relay body (2), connected inside the housing (1); A main contact mechanism (3), connected to the relay body (2); And An ice-breaking contact mechanism (4), connected to the relay body (2); the ice-breaking contact mechanism (4) includes: An ice-breaking static contact (41), connected to the relay body (2); A first moving spring (42), connected to the relay body (2); and An ice-breaking moving contact (43), connected to the first moving spring (42); the contact surface of the ice-breaking moving contact (43) and / or the contact surface of the ice-breaking static contact (41) is non-planar.

2. The relay according to claim 1, characterized in that, A grid is provided on the contact surface of the ice-breaking moving contact (43) and / or the contact surface of the ice-breaking static contact (41).

3. The relay according to claim 1, characterized in that, Strip-shaped ice-breaking edges are provided on the contact surface of the ice-breaking moving contact (43) and / or the contact surface of the ice-breaking static contact (41).

4. The relay according to claim 1, characterized in that, Spikes are provided on the contact surface of the ice-breaking moving contact (43) and / or the contact surface of the ice-breaking static contact (41).

5. The relay according to claim 1, wherein Spherical protrusions are provided on the contact surface of the ice-breaking moving contact (43) and / or the contact surface of the ice-breaking static contact (41).

6. The relay according to claim 1, wherein The main contact mechanism (3) includes: Main static contacts (33)(31), connected to the relay body (2); A second moving spring (32), connected to the relay body (2); and A main moving contact, connected to the second moving spring (32); the contact surfaces of the main moving contact and the main static contacts (33)(31) are both planar.

7. The relay according to claim 1, wherein, The housing (1) includes an inner housing (11), the relay body (2) is connected to the inner housing (11), pins are provided on the inner housing (11), and the housing (1) is connected to a PCB board through the pins.

8. The relay according to claim 7, wherein The housing (1) further includes an outer package (12) provided outside the inner housing (11).

9. The relay according to claim 8, characterized in that, A gap is reserved between the outer package (12) and the inner housing (11).

10. A vehicle, characterized in that, Including the relay according to any one of claims 1 to 9.