CN219352232U

CN219352232U - Circuit board convenient to heat dissipation

Info

Publication number: CN219352232U
Application number: CN202320332116.XU
Authority: CN
Inventors: 夏允楠
Original assignee: Zhenjiang Xiatai Electronic Technology Co ltd
Current assignee: Zhenjiang Xiatai Electronic Technology Co ltd
Priority date: 2023-02-28
Filing date: 2023-02-28
Publication date: 2023-07-14
Anticipated expiration: 2033-02-28

Abstract

The utility model discloses a circuit board convenient for heat dissipation, which comprises a heat dissipation box and a main board connected in the heat dissipation box, wherein the heat dissipation box comprises a box body and a box cover buckled at the top of the box body, the box cover is connected with an exhaust mechanism, the box cover is connected with a pressing mechanism for pressing the main board, the pressing mechanism comprises a fixed cylinder, a pressing plate, a spring and a driving column, the fixed cylinder is used for driving the column to guide, a supporting plate for supporting the main board is connected in the box body, the supporting plate is connected with a bulge for guiding the main board, and the box body is connected with an air inlet mechanism. The utility model can improve the stability of the main board, replace the traditional screw connection, has simple and flexible operation, and has a heat dissipation gap between the main board and the heat dissipation box, which is beneficial to the heat dissipation, the exhaust fan starts to work, the external air enters the heat dissipation box through the air inlet channel, and the heat generated at the bottom and the top of the main board is discharged from the air exhaust channel, thereby realizing good heat dissipation and prolonging the service life.

Description

Circuit board convenient to heat dissipation

Technical Field

The utility model relates to the technical field of circuit boards, in particular to a circuit board convenient for heat dissipation.

Background

The circuit board is also called a printed wiring board, is an important electronic component, is a support for electronic components, and is a carrier for electrically connecting the electronic components to each other. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in mass production of fixed circuits and optimization of the layout of electrical appliances.

The application number is 202222550657.8, and the patent name is a novel heat dissipation circuit board, mentions "through the cooperation of radiator unit and exhaust fan use, realizes the heat dissipation to the circuit board is pegged graft in the inside of rubber insulation pad", leads to the unable good discharge of heat of circuit board bottom accumulation, influences the radiating effect, and the circuit board adopts the screw to fix often simultaneously, is inconvenient for people's operation.

Disclosure of Invention

The utility model aims to provide a circuit board convenient for heat dissipation, which has the advantages of improving the stability of a main board, replacing the traditional screw connection, being simple and flexible to operate, discharging heat generated at the bottom and the top of the main board from an exhaust channel, realizing good heat dissipation and solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a circuit board convenient to heat dissipation, includes the heat dissipation box and connects in the mainboard in the heat dissipation box, the heat dissipation box includes box body and lock joint in the lid at box body top, the lid is connected with exhaust mechanism, and the lid is connected with the pressing mechanism that is used for the mainboard to press, pressing mechanism includes fixed cylinder, pressing plate, spring, actuating post, fixed cylinder is used for actuating post direction, the pressing plate is fixed in the bottom of actuating post, the spring is used for driving the pressing plate to keeping away from the direction removal of fixed cylinder, the box body internal connection has the backup pad that is used for supporting the mainboard, the backup pad is connected with the arch that is used for the mainboard direction, the box body is connected with air inlet mechanism;

when the box cover is connected with the box body, the pressing plate presses the main board, and the exhaust mechanism is opened.

Preferably, the exhaust mechanism comprises a porous cover, an exhaust channel and an exhaust fan, wherein the exhaust channel is communicated with the box cover, the porous cover is connected to the top of the exhaust channel, and the exhaust fan is connected in the exhaust channel.

Preferably, the pressing mechanism further comprises a sliding block and a guide hole, the guide hole is formed in the fixed cylinder, the sliding block is in sliding connection with the guide hole, and the sliding block is fixedly connected with the driving column.

Preferably, the spring is positioned in the fixed cylinder, and two ends of the spring are connected with the fixed cylinder and the driving column.

Preferably, the top of the fixed cylinder is fixedly connected with the box cover.

Preferably, the air inlet mechanism comprises an air inlet channel and a filter screen, wherein the air inlet channel is connected with the box body, and the filter screen is fastened in the air inlet channel.

Preferably, a supporting plate is installed in the box body, and the top of the supporting plate is aligned with the top of the supporting plate.

Preferably, the supporting plate is of a cross-shaped structure.

Compared with the prior art, the utility model has the following beneficial effects: the utility model discloses a novel heat dissipation device, which is characterized in that a pressing mechanism, an exhaust mechanism and an air inlet mechanism are arranged, wherein the pressing mechanism comprises a fixed cylinder, a pressing plate, a spring, a driving column, a sliding block and a guide hole, the exhaust mechanism comprises a porous cover, an exhaust channel and an exhaust fan, the air inlet mechanism comprises an air inlet channel and a filter screen, a main board is arranged in a box body and is supported in a supporting plate and a supporting plate, a bulge penetrates through a mounting hole on the main board to realize preliminary limit, a box cover is connected with the box body, the pressing plate is pressed on the main board, the driving column moves upwards relative to the fixed cylinder, the spring is in a compressed state, the stability of the main board can be improved, the traditional screw connection is replaced, the operation is simple and flexible, a heat dissipation gap is reserved between the main board and a heat dissipation box, the exhaust fan is started to work, external air enters the heat dissipation box through the air inlet channel, and heat generated at the bottom and the top of the main board is discharged from the exhaust channel, so that good heat dissipation is realized, and the service life is prolonged.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a bottom perspective view of the present utility model;

FIG. 3 is a schematic view of the internal structure of the case of the present utility model;

FIG. 4 is a schematic view of a main board in a compressed state;

FIG. 5 is an enlarged view of FIG. 4 at A;

fig. 6 is a cross-sectional view of the present utility model.

In the figure: 1. a box cover; 2. a box body; 3. an exhaust passage; 4. a porous cover; 5. an air inlet channel; 6. a filter screen; 7. a support plate; 8. a protrusion; 9. a main board; 10. a supporting plate; 11. a fixed cylinder; 12. pressing the plate; 13. a spring; 14. a sliding block; 15. a guide hole; 16. a drive column; 17. and a fan.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, the present utility model provides a circuit board for facilitating heat dissipation, which comprises a heat dissipation box and a motherboard 9 connected in the heat dissipation box, wherein the heat dissipation box comprises a box body 2 and a box cover 1 fastened on the top of the box body 2, so as to facilitate the disassembly and assembly of the box cover 1. The box cover 1 is connected with an exhaust mechanism, and the box cover 1 is connected with a pressing mechanism for pressing the main board 9, the pressing mechanism comprises a fixed cylinder 11, a pressing plate 12, a spring 13 and a driving column 16, the fixed cylinder 11 is used for guiding the driving column 16, and the fixed cylinder 11 is in sliding connection with the driving column 16. The pressing plate 12 is fixed to the bottom of the driving column 16, and the spring 13 is used for driving the pressing plate 12 to move in a direction away from the fixed cylinder 11. The box body 2 is internally connected with a supporting plate 7 for supporting a main plate 9, the supporting plate 7 is connected with protrusions 8 for guiding the main plate 9, the four supporting plates 7 are distributed oppositely in pairs, the protrusions 8 are matched with mounting holes formed in the main plate 9, and the box body 2 is connected with an air inlet mechanism.

The main board 9 is arranged in the box body 2 and supported on the supporting board 7 and the supporting board 10, the bulge 8 passes through the mounting hole on the main board 9 to realize preliminary limit, the box cover 1 is connected with the box body 2, the pressing plate 12 is pressed on the main board 9, the driving column 16 moves upwards relative to the fixed cylinder 11, the spring 13 is in a compressed state, the stability of the main board 9 can be improved, the traditional screw connection is replaced, and the operation is simple and flexible; and leave the heat dissipation clearance between mainboard 9 and the heat dissipation box, be favorable to the radiating of heat, exhaust fan 17 opens the work, and external gas gets into in the heat dissipation box through air inlet channel 5 to with the heat that mainboard 9 bottom and top produced follow exhaust channel 3 discharge, realize good heat dissipation, increase of service life.

The exhaust mechanism comprises a porous cover 4, an exhaust channel 3 and an exhaust fan 17, wherein the exhaust channel 3 is communicated with the box cover 1, the porous cover 4 is connected to the top of the exhaust channel 3, and the exhaust fan 17 is connected in the exhaust channel 3.

The pressing mechanism further comprises a sliding block 14 and a guide hole 15, the guide hole 15 is formed in the fixed cylinder 11, the top of the fixed cylinder 11 is fixedly connected with the box cover 1, the sliding block 14 is in sliding connection with the guide hole 15, and the sliding block 14 is fixedly connected with the driving column 16. In the process of connecting the box cover 1 with the box body 2, the sliding block 14 moves upwards relative to the guide hole 15, and the guide hole 15 can enable the sliding block 14 to stably lift, namely the driving column 16 stably lift, so that the pressing plate 12 is prevented from rotating around the axis of the driving column 16, and the pressing plate 12 is enabled to be accurately pressed on the main board 9; at the same time, the spring 13 is gradually compressed, and the pushing force applied to the driving column 16 is gradually increased, that is, the pressing force applied to the main board 9 by the pressing plate 12 is increased, so that the stability of the main board 9 is improved.

The spring 13 is positioned in the fixed cylinder 11, and two ends of the spring 13 are connected with the fixed cylinder 11 and the driving column 16.

The air inlet mechanism comprises an air inlet channel 5 and a filter screen 6, the air inlet channel 5 is connected with the box body 2, the filter screen 6 is fastened in the air inlet channel 5, the filter screen 6 can prevent external impurities from entering the heat dissipation box through the air inlet channel 5, and pollution to the main board 9 is reduced.

The support plate 10 is arranged in the box body 2, the top of the support plate 10 is aligned with the top of the support plate 7, and the support plate 10 is of a cross structure, so that good support is provided for the main plate 9, and the deformation is not easy.

Working principle: the main board 9 is arranged in the box body 2 and is connected with the supporting plate 7 and the supporting plate 10, and the four protrusions 8 penetrate through the four mounting holes on the main board 9 to realize preliminary limiting. In the process of connecting the box cover 1 with the box body 2, the pressing plate 12 is connected with the main board 9 and moves upwards relative to the fixed barrel 11, the driving column 16 and the sliding block 14 synchronously move upwards, the spring 13 is gradually compressed, downward pushing force applied to the driving column 16 is gradually increased, namely, the pressing plate 12 applies pressure to the main board 9 is gradually increased. When lid 1 locks in box body 2, pressing plate 12 compresses tightly in mainboard 9, can improve the stability of mainboard 9, replaces traditional screw locking, labour saving and time saving. Then the exhaust fan 17 is started to work, external air enters the heat dissipation box through the air inlet channel 5, heat generated at the bottom and the top of the main board 9 is discharged from the air exhaust channel 3, good heat dissipation is achieved, the service life of the main board 9 is prolonged, and the practicability is high.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circuit board convenient to heat dissipation, its characterized in that includes radiating box and connects mainboard (9) in radiating box, radiating box includes box body (2) and lock joint in lid (1) at box body (2) top, lid (1) are connected with exhaust mechanism, and lid (1) are connected with the pressing mechanism that is used for mainboard (9) to press, pressing mechanism includes fixed section of thick bamboo (11), pressing plate (12), spring (13), actuating post (16), fixed section of thick bamboo (11) are used for actuating post (16) direction, pressing plate (12) are fixed in the bottom of actuating post (16), spring (13) are used for driving pressing plate (12) to the direction removal of keeping away from fixed section of thick bamboo (11), box body (2) internal connection has backup pad (7) that are used for supporting mainboard (9) to press, backup pad (7) are connected with protruding (8) that are used for mainboard (9) direction, box body (2) are connected with air inlet mechanism;

when the box cover (1) is connected with the box body (2), the pressing plate (12) presses the main board (9), and the exhaust mechanism is opened.

2. The circuit board convenient for heat dissipation according to claim 1, wherein the exhaust mechanism comprises a porous cover (4), an exhaust channel (3) and an exhaust fan (17), the exhaust channel (3) is communicated with the box cover (1), the porous cover (4) is connected to the top of the exhaust channel (3), and the exhaust fan (17) is connected in the exhaust channel (3).

3. The circuit board convenient for heat dissipation according to claim 1, wherein the pressing mechanism further comprises a sliding block (14) and a guide hole (15), the guide hole (15) is arranged on the fixed cylinder (11), the sliding block (14) is slidably connected with the guide hole (15), and the sliding block (14) is fixedly connected with the driving column (16).

4. A circuit board for facilitating heat dissipation according to claim 1, wherein the spring (13) is located in the fixed cylinder (11), and two ends of the spring (13) are connected with the fixed cylinder (11) and the driving column (16).

5. A circuit board for facilitating heat dissipation according to claim 3, wherein the top of the fixing cylinder (11) is fixedly connected with the box cover (1).

6. The circuit board convenient for heat dissipation according to claim 1, wherein the air inlet mechanism comprises an air inlet channel (5) and a filter screen (6), the air inlet channel (5) is connected to the box body (2), and the filter screen (6) is fastened in the air inlet channel (5).

7. A circuit board for facilitating heat dissipation according to claim 1, characterized in that a pallet (10) is mounted in the case (2), the top of the pallet (10) being aligned with the top of the support plate (7).

8. A circuit board for facilitating heat dissipation according to claim 7, wherein the carrier (10) is of a cross-shaped configuration.