Circuit board with high heat dissipation and low energy consumption

Abstract

The utility model discloses a circuit board with high heat dissipation and low energy consumption, which comprises a shell and a circuit board main body, and the circuit board main body is arranged in the shell. When the high-heat-dissipation low-energy-consumption circuit board is installed and used, the heat conduction pad can be attached and fixed to the rear end of the circuit board body, then the circuit board body is placed in the shell, fixing bolts penetrate through the interior of the circuit board body and are correspondingly screwed into the threaded holes, and then the circuit board body can be installed and fixed in the shell. Meanwhile, the rear end of the heat conduction pad is pressed and fixed to the front end of the connecting plate, heat generated in the using process can be conducted to the connecting plate through the heat conduction pad and then conducted to the multiple sets of fins through the connecting plate, the multiple sets of fins can assist in dissipating heat and dissipating heat efficiently, meanwhile, a natural heat dissipation mode is adopted, extra power supply is not needed, and the heat dissipation efficiency is improved. The energy consumption of the circuit board can be reduced, and the problem that auxiliary heat dissipation of the circuit board is inconvenient is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to a circuit board with high heat dissipation and low energy consumption. Background Art

[0002] Circuit board, also known as circuit board and PCB board, aluminum substrate and super circuit board, is an important electronic component. It is also the support of electronic components and the provider of circuit connection for electronic components. It is widely used in electronic equipment.

[0003] However, when the circuit board is in use, the internal components of the circuit board will generate some heat when the circuit board is working. When dissipating the heat, an external cooling fan assembly is generally used for auxiliary heat dissipation. However, the setting of the fan assembly will increase the energy consumption of the circuit board, which is insufficient and not convenient for auxiliary heat dissipation of the circuit board. Utility Model Content

[0004] The utility model aims to provide a circuit board with high heat dissipation and low energy consumption, so as to solve the problem of inconvenience in assisting heat dissipation of the circuit board proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-heat dissipation and low-energy consumption circuit board, comprising a shell and a circuit board body, the circuit board body is arranged inside the shell, the top and bottom of the rear ends of both sides of the shell are respectively fixed with mounting feet, the four corners of the rear end of the shell are respectively fixed with connecting blocks, and the front end of the connecting block is provided with threaded holes, the four corners of the front end of the circuit board body are respectively penetrated with fixing bolts, the rear end of the circuit board body is provided with a thermal pad, and the rear end of the thermal pad is provided with a connecting plate, the front end of the shell is provided with a dust cover, and the right side of the shell is penetrated with a slot.

[0006] Preferably, the front end of the thermal pad is glued and fixed to the rear end of the circuit board body, the rear end of the thermal pad is glued and fixed to the front end of the connecting plate, and the thermal pad is made of silicone.

[0007] Preferably, a fin is fixed to the rear end of the connecting plate, a through slot is provided inside the rear end of the shell, the front end of the fin passes through the inside of the through slot, multiple groups of fins are arranged at equal intervals at the rear end of the connecting plate, and the fins and the connecting plate are made of copper.

[0008] Preferably, a reserved hole is provided through the interior of the mounting foot, a mounting bolt is provided through the interior of the reserved hole, a compression spring is provided at the rear end of the mounting foot, and a pad is provided at the rear end of the compression spring.

[0009] Preferably, the rear ends of the mounting bolts pass through the interiors of the compression spring and the backing plate respectively.

[0010] Preferably, screw holes are respectively provided inside the four corners of the front end of the shell, connecting bolts are respectively penetrated at the top and bottom of both sides of the dust cover, ventilation grooves are penetrated inside the front end of the dust cover, and multiple groups of ventilation grooves are evenly spaced inside the front end of the dust cover.

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

[0012] (1) The high heat dissipation and low energy consumption circuit board not only facilitates auxiliary heat dissipation of the circuit board, facilitates installation of the circuit board, but also facilitates dust protection of the outside of the circuit board;

[0013] (2) By providing a shell, a circuit board body, a through slot, fins, a connecting plate and a thermal pad, when the circuit board is installed and used, the thermal pad can be first attached and fixed to the rear end of the circuit board body, and then the circuit board body can be placed inside the shell, and a fixing bolt is used to penetrate the inside of the circuit board body and screwed into the corresponding threaded hole, and then the circuit board body can be installed and fixed inside the shell, and at the same time, the rear end of the thermal pad can be pressed and fixed to the front end of the connecting plate. When the circuit board is connected to the circuit for use, the heat generated can be conducted by the thermal pad to the connecting plate, and then introduced by the connecting plate to the multiple groups of fins. The multiple groups of fins can assist in dissipating the heat. At the same time, the connecting plate can also directly introduce the heat into the metal shell for auxiliary heat dissipation, thereby reducing overheating of the circuit board during operation and achieving efficient heat dissipation. At the same time, a natural heat dissipation method is adopted, and no additional power supply is required, which can reduce the energy consumption of the circuit board.

[0014] (3) By providing a mounting foot, a housing, a circuit board body, a reserved hole, a mounting bolt, a compression spring and a pad, when the circuit board is installed and used, the mounting bolt can be passed through the reserved hole, and the compression spring and the pad are inserted into the outside of the mounting bolt, and then the mounting bolt is screwed into the corresponding hole position preset at the installation position. After the housing is installed, the circuit board can be pressed and fixed at the installation position by providing four sets of compression springs, reducing the hard connection during direct fixation, and providing a certain vibration buffering protection for the circuit board during use, which is convenient for installing the circuit board;

[0015] (4) By providing a shell, screw holes, a circuit board body, a dust cover, connecting bolts and ventilation slots, when the circuit board is in use, the dust cover can be installed and fixed to the front end of the shell by using the connecting bolts to penetrate the interior of the dust cover and screw it into the interior of the screw holes accordingly. The dust cover can assist in sealing the front end of the shell, and the internal circuit board body can be protected from external dust and impact when in use, thereby reducing failures and damages of the circuit board during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the enlarged structure of the connecting plate of the utility model from top view;

[0018] Figure 3 It is a schematic diagram of a partial cross-sectional structure of the through slot of the utility model in a front view;

[0019] Figure 4 For this utility model Figure 1 A in the figure is an enlarged structural diagram.

[0020] In the figure: 1. Mounting foot; 2. Shell; 3. Circuit board body; 4. Reserved hole; 5. Screw hole; 6. Mounting bolt; 7. Compression spring; 8. Pad; 9. Threaded hole; 10. Through slot; 11. Fin; 12. Connecting plate; 13. Thermal pad; 14. Dust cover; 15. Fixing bolt; 16. Connecting block; 17. Connecting bolt; 18. Ventilation slot. DETAILED DESCRIPTION

[0021] 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.

[0022] Example 1: Please refer to Figure 1-4 A high heat dissipation and low energy consumption circuit board comprises a shell 2 and a circuit board body 3, wherein the circuit board body 3 is arranged inside the shell 2, mounting feet 1 are respectively fixed to the top and bottom of the rear ends of both sides of the shell 2, connecting blocks 16 are respectively fixed to the four corners of the rear end of the shell 2, and threaded holes 9 are arranged inside the front end of the connecting blocks 16, fixing bolts 15 are respectively penetrated at the four corners of the front end of the circuit board body 3, a thermal pad 13 is arranged at the rear end of the circuit board body 3, and a connecting plate 12 is arranged at the rear end of the thermal pad 13, a dust cover 14 is arranged at the front end of the shell 2, and a slot is penetrated inside the right side of the shell 2;

[0023] The front end of the thermal pad 13 is glued and fixed to the rear end of the circuit board body 3, and the rear end of the thermal pad 13 is glued and fixed to the front end of the connecting plate 12. The thermal pad 13 is made of silicone. The rear end of the connecting plate 12 is fixed with a fin 11. The rear end of the housing 2 is provided with a through slot 10. The front end of the fin 11 passes through the interior of the through slot 10. The fins 11 are arranged in multiple groups at equal intervals at the rear end of the connecting plate 12. The fins 11 and the connecting plate 12 are made of copper.

[0024] Specifically, Figure 1-Figure 3 As shown, the thermal pad 13 can be first attached and fixed to the rear end of the circuit board body 3, and then the circuit board body 3 can be placed inside the shell 2, and the fixing bolts 15 can be used to penetrate the interior of the circuit board body 3 and screwed into the threaded holes 9 accordingly, and then the circuit board body 3 can be installed and fixed inside the shell 2, and at the same time, the rear end of the thermal pad 13 can be pressed and fixed to the front end of the connecting plate 12. When the circuit board is connected to the circuit for use, the generated heat can be conducted by the thermal pad 13 to the connecting plate 12, and then introduced by the connecting plate 12 to the multiple groups of fins 11. The multiple groups of fins 11 can assist in dissipating the heat, and the connecting plate 12 can also directly introduce the heat into the metal shell 2 for auxiliary heat dissipation.

[0025] Embodiment 2: A reserved hole 4 is provided inside the mounting foot 1, a mounting bolt 6 is provided inside the reserved hole 4, a compression spring 7 is provided at the rear end of the mounting foot 1, and a backing plate 8 is provided at the rear end of the compression spring 7, and the rear end of the mounting bolt 6 passes through the compression spring 7 and the backing plate 8 respectively;

[0026] Specifically, Figure 1 and Figure 2 As shown, the mounting bolt 6 can be passed through the reserved hole 4, and the compression spring 7 and the pad 8 can be inserted into the outside of the mounting bolt 6, and then the mounting bolt 6 can be screwed into the preset hole position of the mounting position. By setting up four sets of compression springs 7, the circuit board can be pressed and fixed in the mounting position after the shell 2 is installed, reducing the hard connection during direct fixation, and providing certain vibration buffering protection for the circuit board when it is used.

[0027] Embodiment 3: The four corners of the front end of the housing 2 are respectively provided with screw holes 5, the top and bottom of both sides of the dust cover 14 are respectively penetrated with connecting bolts 17, the front end of the dust cover 14 is penetrated with ventilation slots 18, and the ventilation slots 18 are evenly spaced in multiple groups inside the front end of the dust cover 14;

[0028] Specifically, Figure 1 and Figure 4 As shown, the dust cover 14 can be installed and fixed on the front end of the shell 2 by using the connecting bolts 17 to penetrate the interior of the dust cover 14 and screw into the interior of the screw hole 5 accordingly. The dust cover 14 can be used to assist in closing the front end of the shell 2, and the internal circuit board body 3 can be protected from external dust and impact when in use.

[0029] Working principle: When the utility model is in use, the mounting bolt 6 can be passed through the reserved hole 4, and the compression spring 7 and the pad 8 can be inserted into the outside of the mounting bolt 6, and then the mounting bolt 6 can be screwed into the preset hole position of the mounting position. Through the four sets of compression springs 7, the circuit board can be pressed and fixed in the mounting position after the shell 2 is installed, reducing the hard connection during direct fixation, and providing certain vibration buffering protection for the circuit board when it is used. At the same time, when the circuit board is installed and used, the thermal pad 13 can be fixed to the rear end of the circuit board body 3, and then the circuit board body 3 can be placed inside the shell 2, and the fixing bolt 15 can be used to pass through the inside of the circuit board body 3 and screwed into the threaded hole 9 accordingly, so that the circuit board body 3 can be installed and fixed inside the shell 2, and at the same time, the rear end of the thermal pad 13 can be pressed and fixed to the connecting plate 12 At the front end of the housing 2, when the circuit board is connected to the circuit for use, the generated heat can be conducted by the thermal pad 13 to the connecting plate 12, and then introduced by the connecting plate 12 to the multiple groups of fins 11. The multiple groups of fins 11 can assist in dissipating the heat. At the same time, the connecting plate 12 can also directly introduce the heat into the metal housing 2 for auxiliary heat dissipation. The heat dissipation is efficient and natural heat dissipation is adopted. No additional power supply is required, which reduces the energy consumption of the circuit board. When the circuit board is in use, the dust cover 14 can be installed and fixed on the front end of the housing 2 by using the connecting bolts 17 to penetrate the interior of the dust cover 14 and screw it into the interior of the screw hole 5 accordingly. The dust cover 14 can be installed and fixed on the front end of the housing 2. The dust cover 14 can assist in sealing the front end of the housing 2, and the internal circuit board body 3 can be protected from external dust and impact when in use.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A high heat dissipation and low energy consumption circuit board, comprising a housing (2) and a circuit board body (3), characterized in that: A circuit board body (3) is arranged inside the shell (2), mounting feet (1) are fixed to the top and bottom of the rear ends of both sides of the shell (2), connecting blocks (16) are fixed to the four corners of the rear end of the shell (2), and threaded holes (9) are arranged inside the front ends of the connecting blocks (16), fixing bolts (15) are respectively arranged through the four corners of the front end of the circuit board body (3), a thermal pad (13) is arranged at the rear end of the circuit board body (3), and a connecting plate (12) is arranged at the rear end of the thermal pad (13), a dust cover (14) is arranged at the front end of the shell (2), and a slot is arranged through the right side of the shell (2).

2. A high heat dissipation and low energy consumption circuit board according to claim 1, characterized in that: The front end of the thermal pad (13) is glued and fixed to the rear end of the circuit board body (3), and the rear end of the thermal pad (13) is glued and fixed to the front end of the connecting plate (12), and the thermal pad (13) is made of silica gel.

3. The high heat dissipation and low energy consumption circuit board according to claim 1, characterized in that: A fin (11) is fixed to the rear end of the connecting plate (12); a through slot (10) is provided inside the rear end of the shell (2); the front end of the fin (11) passes through the interior of the through slot (10); a plurality of groups of fins (11) are provided at equal intervals at the rear end of the connecting plate (12); and the fins (11) and the connecting plate (12) are made of copper.

4. The high heat dissipation and low energy consumption circuit board according to claim 1, characterized in that: A reserved hole (4) is provided inside the mounting foot (1), a mounting bolt (6) is provided inside the reserved hole (4), a compression spring (7) is provided at the rear end of the mounting foot (1), and a pad (8) is provided at the rear end of the compression spring (7).

5. The high heat dissipation and low energy consumption circuit board according to claim 4, characterized in that: The rear ends of the mounting bolts (6) penetrate the interior of the compression spring (7) and the backing plate (8) respectively.

6. The high heat dissipation and low energy consumption circuit board according to claim 1, characterized in that: Screw holes (5) are respectively arranged inside the four corners of the front end of the shell (2), connecting bolts (17) are respectively arranged through the top and bottom of both sides of the dust cover (14), and ventilation grooves (18) are arranged through the front end of the dust cover (14), and a plurality of groups of ventilation grooves (18) are arranged at equal intervals inside the front end of the dust cover (14).

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