Automobile steering lamp circuit board easy to dissipate heat

Abstract

The utility model belongs to the technical field of circuit boards, and particularly relates to an automobile steering lamp circuit board easy to dissipate heat, which comprises a circuit board body and an auxiliary heat conduction mechanism, and the auxiliary heat conduction mechanism comprises a heat absorption cotton board attached to the bottom surface of the circuit board body; the metal heat absorbing plate is attached to the bottom surface of the heat absorbing cotton plate; the two metal heat conduction plates are symmetrically distributed, the metal heat conduction plates are L-shaped components, and the horizontal parts of the metal heat conduction plates are attached to the bottom face of the metal heat absorption plate; according to the utility model, the heat absorption cotton plate, the metal heat absorption plate and the metal heat conduction plate are arranged, so that heat generated by the circuit board body can be quickly absorbed, the heat is conducted to the shell of the steering lamp controller, the heat dissipation efficiency is high, and the heat dissipation structure is suitable for small circuit boards such as steering lamp circuit boards which are not beneficial to installation of heat dissipation fans; and the working safety and reliability of the circuit board are ensured.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit boards, and in particular relates to an automobile turn signal circuit board which is easy to dissipate heat. Background Art

[0002] There are many controllers in a car, and thus many corresponding circuit boards. The car's turn signals use controllers and circuit boards.

[0003] At present, automobile turn signal circuit boards are mainly installed by bolts. When in use, in order to ensure the safety of the circuit board, a heat dissipation mechanism is usually added. The cooling fan is the most commonly used auxiliary heat dissipation device.

[0004] However, as a car turn signal circuit board, the circuit board is small in size, so it is impossible to install a cooling fan in the turn signal controller housing. Currently, only heat dissipation holes are opened on the housing of the turn signal controller to dissipate heat. Although it also has a certain heat dissipation effect, the heat dissipation efficiency is low and the reliability is low, which is difficult to meet actual usage needs.

[0005] In order to solve the above problems, the present application proposes an automobile turn signal circuit board that is easy to dissipate heat. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides an automobile turn signal circuit board which is easy to dissipate heat and has the characteristics of being easy to use and easy to dissipate heat.

[0007] To achieve the above object, the utility model provides the following technical solution: a circuit board for an automobile turn signal light that is easy to dissipate heat, comprising a circuit board body, on which four diagonally distributed mounting holes are provided, and an auxiliary heat conduction mechanism, wherein the auxiliary heat conduction mechanism comprises:

[0008] A heat-absorbing cotton board, wherein the heat-absorbing cotton board is attached to the bottom surface of the circuit board body;

[0009] A metal heat absorbing plate, wherein the metal heat absorbing plate is attached to the bottom surface of the heat absorbing cotton plate;

[0010] The two metal heat conducting plates are symmetrically distributed, the metal heat conducting plates are "L"-shaped components, and the horizontal parts of the metal heat conducting plates are attached to the bottom surface of the metal heat absorbing plate.

[0011] As a preferred technical solution of the present utility model, the metal heat absorbing plate is a copper plate.

[0012] As a preferred technical solution of the utility model, the metal heat conducting plate is an "L"-shaped copper plate.

[0013] As a preferred technical solution of the utility model, the metal heat absorbing plate includes:

[0014] An upper heat absorbing plate, wherein the upper heat absorbing plate is attached to the bottom surface of the heat absorbing cotton plate;

[0015] A lower heat absorbing plate, the lower heat absorbing plate is located directly below the upper heat absorbing plate;

[0016] Heat dissipation fins, a plurality of heat dissipation fins are fixed at equal intervals between the upper heat absorption plate and the lower heat absorption plate.

[0017] As a preferred technical solution of the utility model, it also includes:

[0018] A locking stud, wherein the locking stud is fixed on the horizontal portion of the metal heat conducting plate, and a waist-shaped hole is provided on the lower heat absorbing plate for the locking stud to pass through;

[0019] A locking nut is installed on the protruding end of the locking stud by threaded engagement.

[0020] As a preferred technical solution of the utility model, two symmetrically distributed locking studs are fixed on the same metal heat conducting plate.

[0021] As a preferred technical solution of the utility model, the upper heat absorbing plate, the lower heat absorbing plate and the heat dissipating fins are integral components processed by casting.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] In the utility model, the heat absorbing cotton plate, the metal heat absorbing plate and the metal heat conducting plate are arranged, so that the heat generated by the circuit board body can be quickly absorbed and the heat can be conducted to the outer shell of the turn signal controller. The heat dissipation efficiency is high, and the utility model is suitable for small circuit boards such as turn signal circuit boards which are not conducive to installing a cooling fan, thereby ensuring the safety and reliability of the circuit board operation.

[0024] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0026] Figure 1 It is a schematic diagram of the structure of the utility model;

[0027] Figure 2This is a schematic diagram of the axonometric structure of the auxiliary heat conduction mechanism in the utility model;

[0028] Figure 3 For this utility model Figure 2 A in the figure is an enlarged structural diagram.

[0029] In the figure: 1, circuit board body; 11, mounting hole; 2, auxiliary heat conduction mechanism; 21, heat absorbing cotton board; 22, metal heat absorbing board; 221, upper heat absorbing board; 222, lower heat absorbing board; 2221, waist-shaped hole; 223, heat dissipation fin; 23, metal heat conducting board; 231, locking stud; 24, locking nut. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-Figure 3 The utility model provides the following technical solutions: a car turn signal circuit board that is easy to dissipate heat, including a circuit board body 1, on which there are four diagonally distributed mounting holes 11, and an auxiliary heat conduction mechanism 2, and the auxiliary heat conduction mechanism 2 includes: a heat absorbing cotton plate 21, a metal heat absorbing plate 22 and a metal heat conducting plate 23.

[0032] Further, by Figure 1 and Figure 2 As shown, in this embodiment, the heat absorbing cotton board 21 is attached to the bottom surface of the circuit board body 1, the metal heat absorbing board 22 is attached to the bottom surface of the heat absorbing cotton board 21, and the two metal heat conducting plates 23 are symmetrically distributed. The metal heat conducting plate 23 is an "L"-shaped component, and the horizontal part of the metal heat conducting plate 23 is attached to the bottom surface of the metal heat absorbing plate 22. After adopting the above scheme, when installing the circuit board body 1, firstly according to the installation position of the circuit board body 1, the two "L"-shaped metal heat conducting plates 23 are fixed in the housing of the turn signal controller by conventional means, and the vertical part of the metal heat conducting plates 23 is fixed to ... The straight part fits the inner wall of the outer shell of the turn signal controller, and then the metal heat absorbing plate 22 is fixed on the metal heat conducting plate 23, and the heat absorbing cotton plate 21 is fixed on the metal heat absorbing plate 22. Finally, the circuit board body 1 is placed on the heat absorbing cotton plate 21 and fixed in the outer shell of the turn signal controller by conventional means. It can quickly absorb the heat generated by the circuit board body 1 and conduct the heat to the outer shell of the turn signal controller. It has high heat dissipation efficiency and is suitable for small circuit boards such as turn signal circuit boards that are not conducive to installing cooling fans, thereby ensuring the safety and reliability of the circuit board.

[0033] It should be noted that the metal heat conducting plate 23 can be fixed in the housing of the turn signal controller by conventional means such as bolts, and the heat absorbing cotton plate 21 is preferably fixed to the metal heat absorbing plate 22 by double-sided adhesive.

[0034] Optionally, by Figure 1 and Figure 2 As shown, in this embodiment, the metal heat absorbing plate 22 is a copper plate, which has a higher heat absorbing capacity and is preferably used. However, in actual use, if there are cost constraints, a metal heat absorbing plate 22 made of aluminum or aluminum alloy may also be used.

[0035] Optionally, by Figure 1 and Figure 2 As shown, in this embodiment, the metal heat conductive plate 23 is an "L"-shaped copper plate. The copper plate has a higher heat absorption capacity and is preferably used. However, in actual use, if there are cost constraints, a metal heat conductive plate 23 made of aluminum or aluminum alloy can also be used.

[0036] Optionally, by Figure 1-Figure 3 As shown, in this embodiment, the metal heat absorbing plate 22 includes: an upper heat absorbing plate 221, a lower heat absorbing plate 222 and heat dissipation fins 223. The upper heat absorbing plate 221 is attached to the bottom surface of the heat absorbing cotton plate 21, and the lower heat absorbing plate 222 is located directly below the upper heat absorbing plate 221. A plurality of heat dissipation fins 223 are fixed at equal intervals between the upper heat absorbing plate 221 and the lower heat absorbing plate 222. After adopting the above scheme, when in use, the plurality of heat dissipation fins 223 effectively isolate the upper heat absorbing plate 221 from the lower heat absorbing plate 222, and generate a plurality of wind guide cavities, which are beneficial to air diversion, further increase the heat dissipation area, and achieve better heat dissipation effect.

[0037] Optionally, by Figure 1-Figure 3 As shown, in this embodiment, it also includes: a locking stud 231 and a locking nut 24. The locking stud 231 is fixed on the horizontal part of the metal heat conducting plate 23. The lower heat absorbing plate 222 is provided with a waist-shaped hole 2221 for the locking stud 231 to pass through. The locking nut 24 is installed on the protruding end of the locking stud 231 by threaded engagement. After adopting the above scheme, the metal heat absorbing plate 22 and the metal heat conducting plate 23 are locked and installed by using the locking stud 231 and the locking nut 24. The installation is convenient and the stability is high. It is also easy to disassemble and maintain. The position of the metal heat conducting plate 23 can be adjusted by setting the waist-shaped hole 2221 to ensure that the vertical part of the metal heat conducting plate 23 is reliably attached to the inner wall of the outer shell of the turn signal controller, which is conducive to heat extraction.

[0038] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, two symmetrically distributed locking studs 231 are fixed on the same metal heat conducting plate 23 to ensure the stability of the connection between the metal heat absorbing plate 22 and the metal heat conducting plate 23 .

[0039] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, the upper heat absorbing plate 221, the lower heat absorbing plate 222 and the heat dissipating fins 223 are one-piece components processed by casting, and have high structural strength. In actual use, the upper heat absorbing plate 221, the lower heat absorbing plate 222 and the heat dissipating fins 223 can also be fixed and combined in conventional directions such as welding.

[0040] Components not described in detail herein are prior art.

[0041] Working principle and use process of the utility model: When installing the circuit board body 1 of the utility model, firstly, according to the installation position of the circuit board body 1, two "L"-shaped metal heat conducting plates 23 are fixed in the shell of the turn signal controller by conventional means, and the vertical parts of the metal heat conducting plates 23 are made to fit the inner wall of the shell of the turn signal controller, and then the metal heat absorbing plate 22 is fixed on the metal heat conducting plate 23, and the heat absorbing cotton plate 21 is fixed on the metal heat absorbing plate 22, and finally the circuit board body 1 is placed on the heat absorbing cotton plate 21, and fixed in the shell of the turn signal controller by conventional means;

[0042] The utility model can quickly absorb the heat generated by the circuit board body 1 through the heat absorbing cotton plate 21, the metal heat absorbing plate 22 and the metal heat conducting plate 23, and conduct the heat to the shell of the turn signal controller, with high heat dissipation efficiency. It is suitable for small circuit boards such as turn signal circuit boards that are not conducive to installing heat dissipation fans, and ensures the safety and reliability of the circuit board.

[0043] The metal heat absorbing plate 22 and the metal heat conducting plate 23 are locked and installed by using locking studs 231 and locking nuts 24. The installation is convenient and stable, and the metal heat conducting plate 23 can be easily disassembled and maintained. The position of the metal heat conducting plate 23 can be adjusted through the waist-shaped holes 2221 to ensure that the vertical part of the metal heat conducting plate 23 is reliably attached to the inner wall of the outer shell of the turn signal controller, which is beneficial to the heat dissipation.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A car turn signal circuit board that is easy to dissipate heat, comprising a circuit board body (1), wherein the circuit board body (1) has four diagonally distributed mounting holes (11), characterized in that: It also includes an auxiliary heat conduction mechanism (2), and the auxiliary heat conduction mechanism (2) includes: A heat-absorbing cotton plate (21), wherein the heat-absorbing cotton plate (21) is attached to the bottom surface of the circuit board body (1); A metal heat absorbing plate (22), wherein the metal heat absorbing plate (22) is attached to the bottom surface of the heat absorbing cotton plate (21); The two metal heat conducting plates (23) are symmetrically distributed, the metal heat conducting plates (23) are "L"-shaped components, and the horizontal parts of the metal heat conducting plates (23) are attached to the bottom surface of the metal heat absorbing plate (22).

2. The automobile turn signal circuit board that is easy to dissipate heat according to claim 1, characterized in that: The metal heat absorbing plate (22) is a copper plate.

3. The automobile turn signal circuit board that is easy to dissipate heat according to claim 1, characterized in that: The metal heat conducting plate (23) is an "L"-shaped copper plate.

4. The automobile turn signal circuit board that is easy to dissipate heat according to claim 1, characterized in that: The metal heat absorbing plate (22) comprises: An upper heat absorbing plate (221), wherein the upper heat absorbing plate (221) is attached to the bottom surface of the heat absorbing cotton plate (21); A lower heat absorbing plate (222), wherein the lower heat absorbing plate (222) is located directly below the upper heat absorbing plate (221); Heat dissipation fins (223), wherein a plurality of the heat dissipation fins (223) are fixed at equal intervals between the upper heat absorption plate (221) and the lower heat absorption plate (222).

5. The automobile turn signal circuit board that is easy to dissipate heat according to claim 4, characterized in that: Also includes: A locking stud (231), wherein the locking stud (231) is fixed on the horizontal portion of the metal heat conducting plate (23), and a waist-shaped hole (2221) is provided on the lower heat absorbing plate (222) for the locking stud (231) to pass through; A locking nut (24) is installed on the protruding end of the locking stud (231) by means of a threaded engagement.

6. The automobile turn signal circuit board that is easy to dissipate heat according to claim 5, characterized in that: Two symmetrically distributed locking studs (231) are fixed on the same metal heat conducting plate (23).

7. The automobile turn signal circuit board that is easy to dissipate heat according to claim 4, characterized in that: The upper heat absorbing plate (221), the lower heat absorbing plate (222) and the heat dissipating fins (223) are integral components that are processed by casting.

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