CN213818695U

CN213818695U - PCBA heat radiation component

Info

Publication number: CN213818695U
Application number: CN202022798050.2U
Authority: CN
Inventors: 赖小兵
Original assignee: Shenzhen Yuanshijie Technology Co ltd
Current assignee: Shenzhen Yuanshijie Technology Co ltd
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-07-27
Anticipated expiration: 2030-11-28

Abstract

The utility model discloses a PCBA heat radiation component, which comprises a circuit board, an electronic component and a clamping block, and is characterized in that the top end of the circuit board is fixedly connected with the bottom end of the electronic component, one end of the circuit board is fixedly connected with one side of a refrigerating device, two ends of the refrigerating device are respectively fixedly connected with one end of a water pipe, the other end of the water pipe is fixedly connected with one side of a circulating water pump, a heat conduction metal plate is arranged at the middle part of the bottom end of the circuit board, two sides of the heat conduction metal plate are respectively embedded and connected with one side of the clamping block, the other side of the clamping block is respectively provided with a groove, screws are arranged at the bottom end of the groove, round holes are equidistantly arranged inside the heat conduction metal plate, two ends of the heat conduction metal plate are respectively fixedly connected with one side of the circulating water pump, anti-collision gaskets are arranged around the circuit board, the clamping block is fixedly connected with the circuit board through screws, and the top end of the heat conduction metal plate is tightly attached to the bottom end of the circuit board, the round holes are respectively connected with a circulating water pump pipeline. The utility model discloses simple structure, convenient operation.

Description

PCBA heat radiation component

Technical Field

The utility model relates to a PCB technical field particularly, relates to a PCBA heat radiation component.

Background

At present, the power density of a power supply design tends to be higher and higher, the PCBA assembly tendency is surface mounting of components, and a surface-mounted power tube cannot be subjected to a traditional heat dissipation method (heat dissipation is performed by assembling the power tube and a radiator in a self-cooling or air-cooling mode), so that the heat dissipation problem of the surface-mounted power tube in the high-power-density power supply becomes an important factor for restricting the power supply design.

Along with the development of information technology, electronic equipment is also more and more complicated, the PCB is one of the important parts of the electronic industry, more and more electronic components are installed on the PCB, the electronic components generate a large amount of heat during working, at present, the electronic components on the PCB are mainly radiated by the air volume and the air pressure provided by a system fan, the radiating effect is poor, the temperature of the PCB is rapidly increased, the service life of the PCB is greatly shortened, the quality of the PCB is reduced, and even the PCB is burnt out due to overheating, so that whether a PCB radiating assembly with good radiating effect can be developed is a technical problem which needs to be solved urgently at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCBA radiator unit to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PCBA heat radiation component, includes circuit board, electronic component and grip block, its characterized in that, the top of circuit board with electronic component's bottom fixed connection, one end of circuit board and one side fixed connection of refrigerating plant, refrigerating plant's both ends respectively with the one end fixed connection of water pipe, the other end of water pipe and circulating water pump's one side fixed connection, the heat conduction metal sheet is installed to the bottom middle part of circuit board, the both sides of heat conduction metal sheet are connected with one side gomphosis of grip block respectively, the opposite side of grip block is equipped with the recess respectively, the screw is installed to the bottom of recess, the inside equidistance of heat conduction metal sheet is equipped with the round hole, the both ends of heat conduction metal sheet respectively with one side fixed connection of circulating water pump.

Furthermore, collision avoidance washers are installed around the circuit board.

Furthermore, the clamping block is fixedly connected with the circuit board through screws.

Furthermore, the top end of the heat-conducting metal plate is tightly attached to the bottom end of the circuit board.

Furthermore, the round holes are respectively connected with a circulating water pump pipeline.

Furthermore, the circulating water pump is electrically connected with the circuit board.

Furthermore, the water pipe is made of a metal copper material.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a grip block fixes the heat conduction metal sheet, lets heat conduction metal sheet and circuit board laminating, and the heat that the heat conduction metal sheet of being convenient for absorbed the circuit board and produced, and the inside round hole that is equipped with of heat conduction metal sheet simultaneously is connected with circulating water pump and refrigerating plant pipe, injects the coolant liquid into the round hole passageway, can accelerate rate of heat dissipation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an overall cross-sectional schematic view of a PCBA heat dissipation assembly;

figure 2 is a bottom cross-sectional view of a PCBA heat dissipation assembly.

Reference numerals:

1. an electronic component; 2. a circuit board; 3. a refrigeration device; 4. a water pipe; 5. a heat conductive metal plate; 6. a circular hole; 7. a clamping block; 8. a screw; 9. a groove; 10. and (4) a water circulating pump.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, a PCBA heat sink assembly according to an embodiment of the present invention includes a circuit board 2, an electronic component 1 and a clamping block 7, it is characterized in that the top end of the circuit board 2 is fixedly connected with the bottom end of the electronic element 1, one end of the circuit board 2 is fixedly connected with one side of the refrigerating device 3, two ends of the refrigerating device 3 are respectively and fixedly connected with one end of the water pipe 4, the other end of the water pipe 4 is fixedly connected with one side of a circulating water pump 10, a heat conducting metal plate 5 is arranged in the middle of the bottom end of the circuit board 2, the two sides of the heat-conducting metal plate 5 are respectively embedded and connected with one side of the clamping block 7, the other side of the clamping block 7 is respectively provided with a groove 9, screw 8 is installed to the bottom of recess 9, the inside equidistance of heat conduction metal sheet 5 is equipped with round hole 6, the both ends of heat conduction metal sheet 5 respectively with one side fixed connection of circulating water pump 10.

Through the above technical scheme of the utility model, circuit board 2 installs the anticollision packing ring all around, grip block 7 with through screw 8 fixed connection between the circuit board 2, heat conduction metal sheet 5 the top with circuit board 2's bottom is closely laminated, round hole 6 respectively with circulating water pump 10 pipe connection, circulating water pump 10 and circuit board 2 electric connection, water pipe 4 adopts the metal copper product to make.

The working principle is as follows: the clamping block 7 is clamped and fixed with the heat-conducting metal plate 5, the circuit board 2 in the working state generates heat, the heat is absorbed by the heat-conducting metal plate 5, the cooling liquid in the circular hole 6 pipeline is transmitted to the refrigerating device 3, the refrigerating device 3 cools the cooling liquid again, the circulating water pump 10 achieves water circulation, and the heat dissipation of the circuit board 2 can be accelerated by the heat-conducting metal plate 5 and water cooling.

In summary, the following steps: the utility model discloses a grip block fixes the heat conduction metal sheet, lets heat conduction metal sheet and circuit board laminating, and the heat that the heat conduction metal sheet of being convenient for absorbed the circuit board and produced, and the inside round hole that is equipped with of heat conduction metal sheet simultaneously is connected with circulating water pump and refrigerating plant pipe, injects the coolant liquid into the round hole passageway, can accelerate rate of heat dissipation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The PCBA heat dissipation assembly comprises a circuit board (2), an electronic element (1) and a clamping block (7), and is characterized in that the top end of the circuit board (2) is fixedly connected with the bottom end of the electronic element (1), one end of the circuit board (2) is fixedly connected with one side of a refrigerating device (3), two ends of the refrigerating device (3) are fixedly connected with one end of a water pipe (4) respectively, the other end of the water pipe (4) is fixedly connected with one side of a circulating water pump (10), a heat conduction metal plate (5) is installed at the middle part of the bottom end of the circuit board (2), two sides of the heat conduction metal plate (5) are connected with one side of the clamping block (7) in an embedded mode respectively, a groove (9) is formed in the other side of the clamping block (7) respectively, a screw (8) is installed at the bottom end of the groove (9), and equidistant round holes (6) are formed in the heat conduction metal plate (5), and two ends of the heat-conducting metal plate (5) are respectively and fixedly connected with one side of the circulating water pump (10).

2. A PCBA heat sink assembly as claimed in claim 1, wherein the circuit board (2) is provided with a crash washer around its periphery.

3. A PCBA heat sink assembly according to claim 1, characterised in that the clip block (7) is fixedly connected to the circuit board (2) by screws (8).

4. A PCBA heat sink assembly as claimed in claim 1, wherein the top end of the thermally conductive metal plate (5) is in close abutment with the bottom end of the circuit board (2).

5. A PCBA heat sink assembly according to claim 1, characterised in that the circular holes (6) are each in pipe connection with a circulating water pump (10).

6. A PCBA heat sink assembly according to claim 1, in which the circulating water pump (10) is electrically connected to the circuit board (2).

7. A PCBA heat dissipation assembly as claimed in claim 1, wherein the water tube (4) is of a metallic copper material.