CN222786107U

CN222786107U - Detachable circuit board cooling equipment

Info

Publication number: CN222786107U
Application number: CN202421436531.0U
Authority: CN
Inventors: 翁明光
Original assignee: Foshan Shunde Zhengqi Electronic Technology Co ltd
Current assignee: Foshan Shunde Zhengqi Electronic Technology Co ltd
Priority date: 2024-06-23
Filing date: 2024-06-23
Publication date: 2025-04-22
Anticipated expiration: 2034-06-23

Abstract

The utility model discloses a detachable circuit board heat dissipation device, which relates to the technical field of heat dissipation of circuit boards, including a circuit board and a heat dissipation mechanism; an electronic device is fixedly installed on the surface of the circuit board, and a heat-conducting copper plate is arranged on the surface of the electronic device; the heat dissipation mechanism comprises two support rods, two connecting bridge plates, a heat dissipation fan and two guide inclined plates, the two support rods are fixedly connected to the surface of the heat-conducting copper plate, the two connecting bridge plates are respectively fixedly connected to the upper ends of the two support rods, the heat dissipation fan is fixedly connected to the opposite ends of the two connecting bridge plates, the wind is guided by the two guide inclined plates, and the wind is guided to the inside of the two connecting bridge plates, and is blown to the surfaces of the heat dissipation fins at both ends through the ventilation flow channels at the bottom of the connecting bridge plates, and the two ventilation flow channels are both trapezoidal, so that the wind can be blown evenly on the surfaces of the heat dissipation fins at the left and right ends in a state of diffusion to the outside, thereby achieving the purpose of uniform heat dissipation of multiple heat dissipation fins.

Description

Detachable circuit board cooling equipment

Technical Field

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

Background

The circuit board is used as a support body of the electronic component, plays a role of an electric connection carrier of the electronic component, generates certain heat in the application process of the circuit board, generates a large amount of heat in the same way as the electric component connected with the circuit board, and has serious influence on the service life of the circuit board if the heat cannot be removed in time, so that the circuit board needs to be cooled by using cooling equipment when in use.

The patent CN212727546U discloses a heat dissipation circuit board, primary heat dissipation of the circuit board can be achieved through the arrangement of a condensing tube, a heat dissipation fin and a heat dissipation fan, and when the temperature of the heat dissipation fin sensed by the temperature sensor exceeds a certain temperature value, the temperature sensor controls a condensing pump to operate, so that condensate of the condensing tube circulates, heat on the heat dissipation fin is taken away, secondary heat dissipation of the circuit board is achieved, and the service life of the circuit board is prolonged.

Based on the above search, the problem that the heat radiation circuit board can realize primary heat radiation by the arrangement of the heat radiation fins and the heat radiation fans when the heat radiation circuit board is used is solved, but the heat radiation fans are arranged at the middle positions of the heat radiation fins, so that the heat radiation fans can only blow air to the surfaces of the heat radiation fins on the right lower side, and therefore, only the heat radiation fins on the right lower side can be radiated, and the two end positions of the heat radiation fins cannot be blown and radiated, so that the heat radiation effect of the heat radiation fins is affected.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the prior art, and provides a detachable circuit board heat radiation device which can solve the problems that a heat radiation fan can only blow wind to the surfaces of heat radiation fins on the right lower side, so that only the heat radiation fins on the right lower side can be radiated, the two ends of the heat radiation fins cannot be blown to radiate, and the heat radiation effect of the heat radiation fins is affected.

The detachable circuit board heat dissipation device comprises a circuit board and a heat dissipation mechanism, wherein an electronic device is fixedly arranged on the surface of the circuit board, a heat conduction copper plate is arranged on the surface of the electronic device, the heat dissipation mechanism comprises two supporting rods, two connecting bridge plates, a heat dissipation fan and two flow guide inclined plates, the two supporting rods are fixedly connected to the surface of the heat conduction copper plate, the two connecting bridge plates are respectively and fixedly connected to the upper ends of the two supporting rods, the heat dissipation fan is fixedly connected to the opposite ends of the two connecting bridge plates, the two flow guide inclined plates are symmetrically and fixedly arranged in the heat dissipation fan, ventilation flow channels are formed in the bottoms of the two connecting bridge plates, and the two ventilation flow channels are trapezoid.

Preferably, the surface of the heat conduction copper plate is uniformly provided with clamping grooves, and radiating fins are slidably arranged in the clamping grooves.

Preferably, the left and right sides of heat conduction copper all fixedly connected with engaging lug, the screw is all installed to the inside of two engaging lugs.

Preferably, two fixing clamping grooves are formed in the surfaces of the radiating fins, and fixing clamping strips are connected inside the fixing clamping grooves in a sliding mode.

Preferably, the fixing clamping strip is slidably mounted on the surface of the heat conducting copper plate, and two bolts are mounted in the fixing clamping strip.

Preferably, the surface of the heat conduction copper plate is provided with a bolt notch, and the bolt is in threaded connection with the inside of the bolt notch.

Compared with the prior art, the utility model has the beneficial effects that:

1. the detachable circuit board heat radiation device guides wind through the two diversion inclined plates, guides the wind to the interiors of the two connection bridge plates, blows the wind to the surfaces of the heat radiation fins at the two ends through the ventilation flow passages at the bottoms of the connection bridge plates, and uniformly blows the wind to the surfaces of the heat radiation fins at the left end and the right end in a trapezoid shape in an outward diffusion state, thereby achieving the aim of uniformly radiating the heat radiation fins and improving the overall heat radiation effect of the heat radiation fins.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic diagram of the whole structure of a detachable heat dissipating device for a circuit board according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the heat dissipation fan of the present utility model;

FIG. 3 is a schematic view of the structure of the fixing clip after being detached;

Fig. 4 is a schematic diagram of the bottom structure of the heat dissipation fan of the present utility model.

The heat conducting plate comprises a circuit board 1, an electronic device 2, a heat conducting copper plate 3, a clamping groove 4, a heat radiating fin 5, a connecting lug 6, a connecting lug 7, a screw 8, a supporting rod 9, a connecting bridge plate 10, a heat radiating fan 11, a flow guiding inclined plate 12, a ventilation flow passage 13, a fixing clamping groove 14, a fixing clamping strip 15, a bolt 16 and a bolt notch.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, greater than, less than, exceeding, etc. are understood to exclude this number, and above, below, within, etc. are understood to include this number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1-4, the utility model provides a technical scheme that the detachable circuit board heat dissipation device comprises a circuit board 1 and a heat dissipation mechanism, wherein an electronic device 2 is fixedly arranged on the surface of the circuit board 1, a heat conducting copper plate 3 is arranged on the surface of the electronic device 2, clamping grooves 4 are uniformly formed on the surface of the heat conducting copper plate 3, heat dissipation fins 5 are slidably arranged in the clamping grooves 4, connecting lugs 6 are fixedly connected to the left side and the right side of the heat conducting copper plate 3, and screws 7 are arranged in the two connecting lugs 6.

The heat generated by the electronic device 2 in the use process is firstly conducted to the heat conducting copper plate 3, and then the heat conducting copper plate 3 volatilizes heat to the outside through the plurality of heat radiating fins 5 arranged on the surface, so that the purpose of radiating and cooling the electronic device 2 is achieved.

The heat dissipation mechanism comprises two supporting rods 8, two connecting bridge plates 9, a heat dissipation fan 10 and two flow guide inclined plates 11, wherein the two supporting rods 8 are fixedly connected to the surface of the heat conduction copper plate 3, the two connecting bridge plates 9 are fixedly connected to the upper ends of the two supporting rods 8 respectively, the heat dissipation fan 10 is fixedly connected to one ends of the two connecting bridge plates 9, the two flow guide inclined plates 11 are symmetrically and fixedly installed inside the heat dissipation fan 10, ventilation flow channels 12 are formed in the bottoms of the two connecting bridge plates 9, and the two ventilation flow channels 12 are all trapezoid.

The heat radiation fan 10 blows air to the lower side and blows air to the surfaces of the heat radiation fins 5, so that the heat radiation speed of the heat radiation fins 5 is increased, meanwhile, the heat radiation fan 10 blows air to the surfaces of the two guide inclined plates 11, the air is guided by the two guide inclined plates 11, the air is guided to the interiors of the two connecting bridge plates 9, the air is blown to the surfaces of the heat radiation fins 5 at the two ends through the ventilation flow channels 12 at the bottoms of the connecting bridge plates 9, and the two ventilation flow channels 12 are trapezoidal, so that the air can be uniformly blown to the surfaces of the heat radiation fins 5 at the left end and the right end in an outward diffusion state, the purpose of uniformly radiating the heat radiation fins 5 is achieved, and the whole heat radiation effect of the heat radiation fins 5 is improved.

Two fixed clamping grooves 13 are formed in the surface of the heat radiation fin 5, fixed clamping strips 14 are connected to the inner portions of the fixed clamping grooves 13 in a sliding mode, the fixed clamping strips 14 are slidably mounted on the surface of the heat conduction copper plate 3, two bolts 15 are mounted in the fixed clamping strips 14, bolt notch 16 is formed in the surface of the heat conduction copper plate 3, and the bolts 15 are connected to the inner portions of the bolt notch 16 in a threaded mode.

The staff rotates two bolts 15 through the spanner and makes it break away from the inside of two bolt notch 16, and the staff can slide fixed card strip 14 to make fixed card strip 14 break away from the inside of fixed draw-in groove 13, the staff slides fin 5 to the rear side and breaks away from the inside of draw-in groove 4 and can accomplish the dismantlement, through establishing fin 5 to detachable structure, make things convenient for the staff to dismantle fin 5 alone and clear up the dust on surface, no longer need wholly dismantle heat conduction copper plate 3, promotes the convenience of fin 5 surface dust clearance.

The detachable circuit board heat radiation device has the working principle that the heat radiation fan 10 blows air to the lower side and blows air to the surfaces of the heat radiation fins 5, the heat radiation fan 10 also blows air to the surfaces of the two guide inclined plates 11, the air is further guided by the two guide inclined plates 11, the air is guided to the interiors of the two connecting bridge plates 9, and the air is blown to the surfaces of the heat radiation fins 5 at the two ends through the ventilation flow channels 12 at the bottoms of the connecting bridge plates 9, so that the purpose of uniform heat radiation of the heat radiation fins 5 is achieved, a worker rotates the two bolts 15 through a spanner and makes the two bolts separate from the interiors of the two bolt notches 16, the worker can slide the fixing clamping strips 14, makes the fixing clamping strips 14 separate from the interiors of the fixing clamping grooves 13, and the worker slides the heat radiation fins 5 to the rear side and separate from the interiors of the clamping grooves 4, so that the worker can detach the heat radiation fins 5 independently to clean dust on the surfaces.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. A detachable circuit board heat sink apparatus, comprising:

A circuit board (1) and a heat dissipation mechanism;

An electronic device (2) is fixedly arranged on the surface of the circuit board (1), and a heat conducting copper plate (3) is arranged on the surface of the electronic device (2);

The heat dissipation mechanism comprises two supporting rods (8), two connecting bridge plates (9), a heat dissipation fan (10) and two flow guide inclined plates (11), wherein the two supporting rods (8) are fixedly connected to the surface of the heat conduction copper plate (3), the two connecting bridge plates (9) are fixedly connected to the upper ends of the two supporting rods (8) respectively, the heat dissipation fan (10) is fixedly connected to one opposite end of the two connecting bridge plates (9), the two flow guide inclined plates (11) are symmetrically and fixedly installed inside the heat dissipation fan (10), ventilation flow channels (12) are formed in the bottoms of the two connecting bridge plates (9), and the two ventilation flow channels (12) are trapezoid.

2. The detachable circuit board heat dissipation device as set forth in claim 1, wherein the surface of the heat conducting copper plate (3) is uniformly provided with clamping grooves (4), and heat dissipation fins (5) are slidably arranged in the clamping grooves (4).

3. The detachable circuit board heat dissipation device according to claim 1, wherein the left side and the right side of the heat conduction copper plate (3) are fixedly connected with connecting lugs (6), and screws (7) are arranged in the two connecting lugs (6).

4. The detachable circuit board heat dissipating device according to claim 2, wherein two fixing clamping grooves (13) are formed on the surface of the heat dissipating fin (5), and fixing clamping strips (14) are slidably connected to the inside of the fixing clamping grooves (13).

5. A detachable circuit board heat dissipating apparatus according to claim 4, wherein the fixing clip (14) is slidably mounted on the surface of the heat conductive copper plate (3), and two bolts (15) are mounted inside the fixing clip (14).

6. The detachable circuit board heat dissipating apparatus of claim 5, wherein the surface of the heat conducting copper plate (3) is provided with a bolt notch (16), and the bolt (15) is screwed inside the bolt notch (16).