Relay pin structure beneficial to heat dissipation

Abstract

The utility model relates to the technical field of relays, in particular to a relay pin structure beneficial to heat dissipation, which comprises a base, a static reed arranged on the base, and a pin A and a static contact arranged on the static reed, the pin A comprises a first bending part, a second bending part, a first straight plate part and a second straight plate part, the second bending part and the first bending part are arranged at an interval, the first straight plate part and the first bending part are integrally formed, the second straight plate part and the second bending part are integrally formed, and the first straight plate part is formed by protruding one side of the pin A through the first bending part; the second straight plate part is formed by protruding from the other side of the pin A through the second bent part, and the first straight plate part and the second straight plate part both protrude out of the base. The heat dissipation device is compact in structure and ingenious in design, achieves efficient heat dissipation of the relay, is high in heat dissipation performance, and prolongs the service life of the relay.

Description

Technical Field

[0001] The utility model relates to the technical field of relays, and in particular to a relay pin structure which is beneficial to heat dissipation. Background Art

[0002] A relay is an electrical control device. When the change in input quantity reaches the specified requirements, a device causes a predetermined step change in the controlled quantity in the electrical output circuit. It has an interactive relationship between the input circuit and the output circuit. It is usually used in automated control circuits. In fact, it is an automatic switch that uses a small current to control a large current. Therefore, it plays the role of automatic adjustment, safety protection, and circuit conversion in the circuit. As relays are increasingly widely used in new energy industries such as charging piles, in relays, temperature changes will occur after the load current is passed through the pins. Since the load current requirement of the relay has been increased from the previous 50A to the current 270A, as the load current increases, the heating of the pins will become more and more obvious. In addition, the poor heat dissipation performance of the pins will cause serious heating of the relays, reducing the service life of the relays. Utility Model Content

[0003] The utility model aims to provide a relay pin structure which is conducive to heat dissipation and has a compact structure and ingenious design, thereby achieving efficient heat dissipation of the relay, having strong heat dissipation performance and prolonging the service life of the relay.

[0004] To achieve the above-mentioned purpose, the utility model provides a relay pin structure that is conducive to heat dissipation, including a base, a static reed sheet arranged on the base, and an A foot and a static contact arranged on the static reed sheet, the A foot including a first bending portion, a second bending portion spaced apart from the first bending portion, a first straight plate portion integrally formed with the first bending portion, and a second straight plate portion integrally formed with the second bending portion, the first straight plate portion is protruded from one side of the A foot via the first bending portion, the second straight plate portion is protruded from the other side of the A foot via the second bending portion, and the first straight plate portion and the second straight plate portion both protrude out of the base.

[0005] Preferably, the first straight plate portion and the second straight plate portion are spaced apart and arranged in parallel, and a gap is provided between the first straight plate portion and the second straight plate portion.

[0006] Preferably, the first bending portion is perpendicular to the first straight plate portion and the A foot, respectively, and the second bending portion is perpendicular to the second straight plate portion and the A foot, respectively. A hollow square structure is formed between the first straight plate portion, the first bending portion, the A foot, the second bending portion and the second straight plate portion.

[0007] Preferably, the A foot is provided with a card block, which is protruded from the outer side wall of the A foot, and the base is provided with a card slot, which is recessed from the inner side wall of the base, and the card block protrudes into the card slot.

[0008] Preferably, the A foot is provided with a limit plate, the limit plate is protruded from the outer wall of the A foot, and the A foot is stopped by the limit plate from contacting the inner wall of the base.

[0009] Preferably, one end of the first straight plate portion away from the A foot and one end of the second straight plate portion away from the A foot are both provided with an outwardly convex arc surface.

[0010] The utility model has the following beneficial effects: the structure is compact and the design is ingenious, and efficient heat dissipation of the relay is achieved, the heat dissipation performance is strong, and the service life of the relay is prolonged. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 This is a schematic diagram of the structure of the static spring piece installed on the base of the utility model.

[0013] Figure 3 It is a schematic diagram of the structure of the static spring piece of the utility model.

[0014] Figure 4 It is a schematic diagram of the top view structure of the static spring piece of the utility model.

[0015] Reference numerals include:

[0016] 1——Base 11——Card slot

[0017] 2——static spring 21——A foot 211——first bending part

[0018] 212——Second bending portion 213——First straight plate portion 214——Second straight plate portion

[0019] 215——Gap 216——Block 217——Limiting plate

[0020] 218——Curved

[0021] 22——Static contact point. DETAILED DESCRIPTION

[0022] The utility model is described in detail below with reference to the accompanying drawings.

[0023] like Figures 1 to 4As shown, a relay pin structure that is conducive to heat dissipation of the utility model includes a base 1, a static spring piece 2 arranged on the base 1, and an A foot 21 and a static contact 22 arranged on the static spring piece 2, the A foot 21 includes a first bending portion 211, a second bending portion 212 spaced apart from the first bending portion 211, a first straight plate portion 213 integrally formed with the first bending portion 211, and a second straight plate portion 214 integrally formed with the second bending portion 212, the first straight plate portion 213 is protruded from one side of the A foot 21 via the first bending portion 211, the second straight plate portion 214 is protruded from the other side of the A foot 21 via the second bending portion 212, and the first straight plate portion 213 and the second straight plate portion 214 both protrude out of the base 1.

[0024] Preferably, two static spring pieces 2 are provided, and the two static spring pieces 2 can be detachably installed on both sides of the base 1. The first bending portion 211 and the second bending portion 212 are respectively convexly provided on both sides of the A foot 21, and the first bending portion 211 and the first straight plate portion 213 are integrally formed, and the second bending portion 212 and the second straight plate portion 214 are integrally formed, with good structural strength, small space occupation and simple manufacturing, so that the static spring piece 2 can stably install the A foot 21 in the base 1, and expose the first straight plate portion 213 and the second straight plate portion 214 outside the base 1, which can increase the contact area between the first straight plate portion 213 and the second straight plate portion 214 and the outside air, thereby helping to efficiently dissipate the heat generated by the A foot 21 to the surrounding air, with strong heat dissipation performance, improving heat dissipation efficiency, thereby effectively reducing the high temperature generated when the relay is working, and ensuring the working safety of the relay. The utility model has a compact structure and a clever design, realizes efficient heat dissipation of the relay, has strong heat dissipation performance, and improves the service life of the relay.

[0025] In this embodiment, the first straight plate portion 213 and the second straight plate portion 214 are arranged in parallel and spaced apart, and a gap 215 is arranged between the first straight plate portion 213 and the second straight plate portion 214. Specifically, the first straight plate portion 213 and the second straight plate portion 214, which are arranged in parallel and spaced apart, are both extended in a direction away from the A foot 21, and the height of the first straight plate portion 213 and the second straight plate portion 214 is greater than or equal to the height of the static spring piece 2, thereby increasing the contact area with the air, so that heat can not only be efficiently dissipated by means of the first straight plate portion 213 and the second straight plate portion 214, but also can be dissipated outwardly by means of the gap 215 between the first straight plate portion 213 and the second straight plate portion 214, thereby further improving the heat dissipation efficiency, and the structural design is ingenious and compact.

[0026] In this embodiment, the first bending portion 211 is perpendicularly arranged to the first straight plate portion 213 and the A foot 21, respectively, and the second bending portion 212 is perpendicularly arranged to the second straight plate portion 214 and the A foot 21, respectively. A hollow square structure is formed between the first straight plate portion 213, the first bending portion 211, the A foot 21, the second bending portion 212, and the second straight plate portion 214. Specifically, the first bending portion 211 and the second bending portion 212 are respectively protruded from both sides of the A foot 21, and the first bending portion 211 is respectively perpendicularly arranged with the first straight plate portion 213 and the A foot 21 and the three are formed as one piece, and the second bending portion 212 is respectively perpendicularly arranged with the second straight plate portion 214 and the A foot 21 and the three are formed as one piece, so that the first straight plate portion 213, the first bending portion 211, the A foot 21, the second bending portion 212, and the second straight plate portion 214 are surrounded to form a hollow rectangular or square structure, further expanding and increasing the heat dissipation space, enhancing air flow, improving the heat dissipation speed, and exerting a better heat dissipation effect.

[0027] The A foot 21 of this embodiment is provided with a block 216, which is convexly provided from the outer side wall of the A foot 21, and the base 1 is provided with a slot 11, which is concavely provided from the inner side wall of the base 1, and the block 216 protrudes into the slot 11. Specifically, as a preferred embodiment, two blocks 216 are provided, which are convexly provided from the outer side walls of the A foot 21, and two slots 11 are provided, which are concavely provided from the inner side walls of the base 1, so that the two blocks 216 are respectively inserted and accommodated in the two slots 11, so that the static spring sheet 2 can be detachably connected to the base 1, and the installation and disassembly are convenient.

[0028] The A foot 21 of this embodiment is provided with a limit plate 217, which is protruded from the outer wall of the A foot 21, and the A foot 21 is stopped by the limit plate 217 to abut against the inner wall of the base 1. Specifically, when the static spring sheet 2 is inserted into the base 1, the A foot 21 is stopped by the limit plate 217 to abut against the inner wall of the base 1, effectively limiting the position of the A foot 21 in the base 1, and achieving a stable limit and safety protection effect on the A foot 21.

[0029] In this embodiment, the end of the first straight plate portion 213 away from the A foot 21 and the end of the second straight plate portion 214 away from the A foot 21 are both provided with an outwardly convex arc surface 218. Specifically, the end of the first straight plate portion 213 away from the A foot 21 and the end of the second straight plate portion 214 away from the A foot 21 are both provided with an outwardly convex arc surface 218. Compared with the traditional angular surfaces with sharp edges, the provision of the arc surface 218 can reduce the probability of scratches and damages between the first straight plate portion 213, the second straight plate portion 214 and other parts, and effectively prevent the angular surfaces from cracking and damage due to excessive stress concentration.

[0030] The above contents are only preferred embodiments of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there will be changes in the specific implementation methods and application scopes. The contents of this specification should not be understood as limiting the present invention.

Claims

1. A relay pin structure that is conducive to heat dissipation, characterized in that: It includes a base, a static spring sheet arranged on the base, and an A foot and a static contact point arranged on the static spring sheet, the A foot includes a first bending portion, a second bending portion arranged at an interval from the first bending portion, a first straight plate portion integrally formed with the first bending portion, and a second straight plate portion integrally formed with the second bending portion, the first straight plate portion is protruded from one side of the A foot via the first bending portion, the second straight plate portion is protruded from the other side of the A foot via the second bending portion, and the first straight plate portion and the second straight plate portion both protrude out of the base.

2. A relay pin structure that is beneficial to heat dissipation according to claim 1, characterized in that: The first straight plate portion and the second straight plate portion are spaced apart and arranged in parallel, and a gap is arranged between the first straight plate portion and the second straight plate portion.

3. A relay pin structure that is beneficial to heat dissipation according to claim 2, characterized in that: The first bending portion is perpendicular to the first straight plate portion and the A foot respectively, and the second bending portion is perpendicular to the second straight plate portion and the A foot respectively. A hollow square structure is formed between the first straight plate portion, the first bending portion, the A foot, the second bending portion and the second straight plate portion.

4. A relay pin structure that is beneficial to heat dissipation according to claim 1, characterized in that: The A foot is provided with a card block, which is protruded from the outer side wall of the A foot, and the base is provided with a card slot, which is concavely formed from the inner side wall of the base, and the card block protrudes into the card slot.

5. A relay pin structure that is beneficial to heat dissipation according to claim 4, characterized in that: The A foot is provided with a limit plate, and the limit plate is protruded from the outer wall of the A foot. The A foot is stopped by the limit plate to abut against the inner wall of the base.

6. A relay pin structure that is beneficial to heat dissipation according to claim 1, characterized in that: One end of the first straight plate portion away from the A foot and one end of the second straight plate portion away from the A foot are both provided with an outwardly convex arc surface.

Images