Printed circuit board with high bending resistance and efficient heat dissipation

Abstract

The utility model discloses a printed circuit board with high bending resistance and efficient heat dissipation, which comprises a bottom plate and a top plate, the bottom plate and the top plate are fixedly connected through a V-shaped metal elastic plate, the top of the bottom plate is provided with a protective shell, the top of the protective shell is provided with a placement groove, two sides in the placement groove are provided with steps, and the steps are arranged in the placement groove. A circuit board body is placed on the step layer, the bottom of the circuit board body is fixedly connected with a heat uniformizing plate, and the bottom of the heat uniformizing plate is fixedly connected with a heat absorbing plate. Through the design of the V-shaped metal elastic plate, the firm bottom plate and the firm top plate, the stability and the bending resistance of the whole structure are enhanced, through the combination of the heat uniformizing plate, the heat absorbing plate, the heat dissipation fins and the heat dissipation fan, efficient heat management and heat dissipation performance are achieved, the protective shell provides additional physical protection for the circuit board, and the service life of the circuit board is prolonged. And the risk of external damage is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a printed circuit board with high bending resistance and efficient heat dissipation. Background Art

[0002] The names of circuit boards include ceramic circuit boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed circuit boards, etc. Circuit boards make circuits miniaturized and intuitive, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layouts. Circuit boards can be called printed circuit boards or printed circuit boards, and the Chinese name of PCB is printed circuit boards, also known as printed circuit boards. They are important electronic components, the support of electronic components, and the carrier for the electrical connection of electronic components. Because it is made using electronic printing technology, it is called a printed circuit board.

[0003] The structural strength of traditional circuit boards is weak and cannot withstand even slightly strong extrusion or collision. At the same time, the heat dissipation capacity of the circuit board cannot be guaranteed. For this reason, we propose a printed circuit board with high bending resistance and efficient heat dissipation. Utility Model Content

[0004] The utility model aims to provide a printed circuit board with high bending resistance and efficient heat dissipation to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a printed circuit board with high bending resistance and efficient heat dissipation, comprising a bottom plate and a top plate, the bottom plate and the top plate are fixedly connected by a V-shaped metal elastic plate, a protective shell is arranged on the top of the bottom plate, a placement groove is opened on the top of the protective shell, steps are arranged on both sides of the placement groove, a circuit board body is placed on the steps, a heat equalizing plate is fixedly connected to the bottom of the circuit board body, and a heat absorbing plate is fixedly connected to the bottom of the heat equalizing plate.

[0006] Both ends of the bottom of the base plate are installed with L-shaped plates, bolts are fixedly installed on the L-shaped plates, and the total number of the V-shaped metal elastic plates is four.

[0007] An embedding groove is provided in the middle position of the top of the top plate, and a first heat dissipation fan is fixedly installed in the embedding groove.

[0008] An air outlet is provided in the middle of the bottom of the base plate, a filter is fixedly installed at the air outlet, and two second cooling fans are fixedly installed at the position of the bottom of the base plate corresponding to the air outlet.

[0009] Both sides of the protective shell are fixedly connected with connecting plates, and the connecting plates are fixedly connected to the bottom plate by bolts.

[0010] The circuit board body, the heat-dissipating plate and the heat-absorbing plate are fixedly connected by insulating bolts, and the top of the circuit board body is fixedly connected with heat-dissipating fins.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. High bending resistance: The V-shaped metal elastic plate and the solid bottom plate and top plate design enhance the stability and bending resistance of the overall structure.

[0013] 2. Efficient heat dissipation: Through the combination of heat dissipation plate, heat absorption plate, heat dissipation fins and cooling fan, efficient heat management and heat dissipation performance are achieved.

[0014] 3. Good protection: The protective case provides additional physical protection for the circuit board and reduces the risk of external damage.

[0015] 4. Modular design: Each component is connected by bolts, etc., which is easy to install, disassemble and maintain.

[0016] 5. High reliability: Through reasonable structural design and material selection, the stability and reliability of the circuit board in long-term use are ensured. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the protective shell of the utility model;

[0018] Figure 2 It is a main schematic diagram of the utility model;

[0019] Figure 3 It is a bottom view of the utility model;

[0020] Figure 4 It is a side view of the utility model;

[0021] Figure 5 It is a top view schematic diagram of the protective shell and the circuit board body of the utility model;

[0022] Figure 6 It is a bottom view of the protective shell of the utility model.

[0023] In the figure: 1. bottom plate; 2. V-shaped metal elastic plate; 3. top plate; 4. first cooling fan; 5. second cooling fan; 6. protective shell; 7. connecting plate; 8. circuit board body; 9. uniform heat plate; 10. heat absorbing plate; 11. cooling fins; 12. insulating bolts; 13. L-shaped plate; 14. air outlet; 15. placement slot; 16. level. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-6 The utility model provides a technical solution: a printed circuit board with high bending resistance and efficient heat dissipation, including a bottom plate 1 and a top plate 3, the bottom plate 1 and the top plate 3 are fixedly connected by a V-shaped metal elastic plate 2, a protective shell 6 is arranged on the top of the bottom plate 1, a placement groove 15 is opened on the top of the protective shell 6, and levels 16 are arranged on both sides of the placement groove 15, a circuit board body 8 is placed on the level 16, a uniform heat plate 9 is fixedly connected to the bottom of the circuit board body 8, and a heat absorbing plate 10 is fixedly connected to the bottom of the uniform heat plate 9.

[0026] L-shaped plates 13 are installed at both ends of the bottom of the base plate 1, and bolts are fixedly installed on the L-shaped plates 13. The total number of V-shaped metal elastic plates 2 is four.

[0027] An embedding groove is provided in the middle of the top of the top plate 3, and a first cooling fan 4 is fixedly installed in the embedding groove.

[0028] An air outlet 14 is provided in the middle of the bottom of the base plate 1 , a filter is fixedly installed at the air outlet 14 , and two second cooling fans 5 are fixedly installed at the position of the bottom of the base plate 1 corresponding to the air outlet 14 .

[0029] Both sides of the protective shell 6 are fixedly connected with connecting plates 7, and the connecting plates 7 are fixedly connected to the bottom plate 1 by bolts.

[0030] The circuit board body 8 , the heat-dissipating plate 9 and the heat-absorbing plate 10 are fixedly connected by insulating bolts 12 , and a heat-dissipating fin 11 is fixedly connected to the top of the circuit board body 8 .

[0031] Bottom plate 1 and top plate 3: constitute the outer shell of the circuit board, provide structural support and protect internal components, and are made of metal or other strong composite materials to ensure bending resistance and durability.

[0032] V-shaped metal elastic plate 2: connects the bottom plate 1 and the top plate 3, provides elastic support, and increases the stability and bending resistance of the overall structure.

[0033] Protective shell 6: protects the circuit board body 8 from external physical damage, and is made of hard plastic or metal.

[0034] Circuit board body 8: carries electronic components and realizes circuit functions.

[0035] Heat distribution plate 9: evenly distributes the heat generated by the circuit board body 8.

[0036] Heat absorbing plate 10 (or heat insulating plate / heat dissipating plate): absorbs and transfers the heat dispersed by the heat-dissipating plate 9, and prepares for further heat dissipation. It is made of high thermal conductivity material, such as copper or aluminum.

[0037] Heat sink fins 11: increase the heat dissipation area to help the circuit board dissipate heat more effectively, and are usually made of metal such as aluminum or copper.

[0038] The first cooling fan 4 and the second cooling fan 5 accelerate the heat dissipation through forced convection.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A printed circuit board with high bending resistance and efficient heat dissipation, comprising a bottom plate (1) and a top plate (3), characterized in that: The bottom plate (1) and the top plate (3) are fixedly connected via a V-shaped metal elastic plate (2); a protective shell (6) is provided on the top of the bottom plate (1); a placement groove (15) is provided on the top of the protective shell (6); steps (16) are provided on both sides of the placement groove (15); a circuit board body (8) is placed on the steps (16); a heat-dissipating plate (9) is fixedly connected to the bottom of the circuit board body (8); and a heat-absorbing plate (10) is fixedly connected to the bottom of the heat-dissipating plate (9).

2. A printed circuit board with high bending resistance and high heat dissipation efficiency according to claim 1, characterized in that: L-shaped plates (13) are installed at both ends of the bottom of the base plate (1), bolts are fixedly installed on the L-shaped plates (13), and the total number of V-shaped metal elastic plates (2) is four.

3. A printed circuit board with high bending resistance and high heat dissipation efficiency according to claim 1, characterized in that: A groove is provided in the middle of the top of the top plate (3), and a first cooling fan (4) is fixedly installed in the groove.

4. A printed circuit board with high bending resistance and high heat dissipation efficiency according to claim 1, characterized in that: An air outlet (14) is provided in the middle of the bottom of the base plate (1), a filter screen is fixedly installed at the air outlet (14), and two second cooling fans (5) are fixedly installed at the bottom of the base plate (1) at a position corresponding to the air outlet (14).

5. A printed circuit board with high bending resistance and high heat dissipation efficiency according to claim 1, characterized in that: Connecting plates (7) are fixedly connected to both sides of the protective shell (6), and the connecting plates (7) are fixedly connected to the bottom plate (1) via bolts.

6. A printed circuit board with high bending resistance and high heat dissipation efficiency according to claim 1, characterized in that: The circuit board body (8), the heat-dissipating plate (9) and the heat-absorbing plate (10) are fixedly connected by insulating bolts (12), and a heat-dissipating fin (11) is fixedly connected to the top of the circuit board body (8).

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