CN217183531U

CN217183531U - Composite circuit board with good heat dissipation effect

Info

Publication number: CN217183531U
Application number: CN202122974952.1U
Authority: CN
Inventors: 李松海; 廖裕华
Original assignee: Dongguan Songshanhui Electronic Technology Co ltd
Current assignee: Dongguan Songshanhui Electronic Technology Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-08-12
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to a composite circuit board technical field especially relates to a composite circuit board that radiating effect is good. The technical scheme comprises the following steps: first mounting, second mounting, third mounting and fourth mounting, the inner wall of first mounting and third mounting is all seted up flutedly, and slides in the recess and peg graft and have the circuit board body, the surface side of first mounting and third mounting all imbeds and is fixed with first intake pipe, and installs the third filter screen in the first intake pipe, the limiting plate has all been welded to the bottom face of first mounting and third mounting, and has seted up the through-hole in the limiting plate, the mount is all installed to the inner wall of second mounting and fourth mounting, all set up the screw hole in second mounting, fourth mounting, first mounting and the third mounting. The utility model discloses satisfy the use and the heat dissipation of circuit board, can carry out quick protection and fixed when dispelling the heat, prevent that external environment from causing the influence to the circuit board.

Description

Composite circuit board with good heat dissipation effect

Technical Field

The utility model relates to a composite circuit board technical field specifically is a composite circuit board that the radiating effect is good.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout.

Through the retrieval, patent publication No. CN212910187U discloses a circuit board that radiating effect is good, including the circuit board main part, the equal fixedly connected with heat dissipation case in both sides of circuit board main part top and bottom, the opposite one side fixedly connected with motor of heat dissipation incasement chamber, the output shaft fixedly connected with flabellum of motor, the equal fixedly connected with heat conduction filling adhesive in top and the bottom of circuit board main part, one side fixedly connected with temperature equalizing plate that the heat conduction filling adhesive kept away from the circuit board. The utility model discloses a circuit board main part, the heat dissipation case, including a motor, an end cap, a controller, and a cover plate, the flabellum, the heat conduction filling adhesive, the samming board, the louvre, heat conduction silicone grease material, super heat conduction oxidation aluminum product, the basic unit, the protective layer, the wearing layer, the waterproof layer, the strengthening layer, the cooperation on anticorrosive coating and high temperature resistant layer, make the circuit board possess better radiating effect, possess simultaneously wear-resisting, waterproof, anticorrosive, high strength and high temperature resistant attribute, make the life of circuit board obtain very big promotion, increase the practicality of circuit board, relatively accord with the demand in electrical apparatus market.

The existing composite circuit board with good heat dissipation effect has the following defects:

1. the existing composite circuit board with good heat dissipation effect does not have a good self-protection structure, is easy to be damaged by extrusion due to external environmental influence after installation, influences the actual service life of the circuit board and causes poor practicability;

2. when a general composite circuit board with a good heat dissipation effect dissipates heat, external dust is easily influenced to fall on the circuit board, short circuit is caused to the circuit board, and the actual service life of the circuit board is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound circuit board that the radiating effect is good 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 composite circuit board that radiating effect is good, includes first mounting, second mounting, third mounting and fourth mounting, the inner wall of first mounting and third mounting is all seted up flutedly, and slides in the recess and peg graft and have the circuit board body, the limiting plate has all been welded to the bottom face of first mounting and third mounting, and has seted up the through-hole in the limiting plate, the mount is all installed to the inner wall of second mounting and fourth mounting, all set up threaded hole in second mounting, fourth mounting, first mounting and the third mounting, and threaded hole in-connection has the bolt.

Preferably, the outer surface side ends of the first fixing piece and the third fixing piece are respectively embedded and fixed with a first air inlet pipe, and a third filter screen is arranged in the first air inlet pipe. Can ventilate the heat dissipation to the circuit board body through first intake pipe, and filter dust and debris through the third filter screen.

Preferably, a third air inlet pipe is embedded and fixed in the through hole, and a first filter screen is installed in the third air inlet pipe. Can ventilate the heat dissipation to the circuit board body through the third intake pipe, and filter dust and debris through first filter screen.

Preferably, the bottom end face of the limiting plate is provided with four supporting blocks in a fitting manner, and the four supporting blocks are distributed in a rectangular array relative to the limiting plate. The limiting plate can be supported and limited through the supporting block.

Preferably, the fixing frame limits the circuit board body, and the size of the circuit board body is matched with the inner diameter of the fixing frame. The circuit board body is sleeved in the fixing frame in a sliding mode, so that the circuit board body can be quickly limited.

Preferably, a second air inlet pipe is fixedly embedded in the side end faces of the second fixing piece and the fourth fixing piece, and a second filter screen and a fan are installed in the second air inlet pipe. The fan is opened to admit air through the second air inlet pipe to dissipate heat of the circuit board body, and the air is filtered through the second filter screen while dissipating heat.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up first mounting and third mounting, personnel are when fixing the circuit board body, personnel slide the circuit board body and peg graft and carry on spacingly in the recess of first mounting and third mounting, personnel install the back on the circuit board body with the mount laminating on second mounting and the fourth mounting while being spacing, install second mounting and fourth mounting on first mounting and third mounting through the bolt and connect, connect the back through first mounting, the second mounting, third mounting and fourth mounting carry on spacingly and fixedly to the circuit board body, increase the stability of circuit board body, and the bottom face of circuit board body supports and protects through the limiting plate, prevent that the circuit board body from receiving external force influence extrusion deformation.

2. The utility model discloses a set up first intake pipe and second intake pipe, personnel are installing the circuit board body at first mounting, the second mounting, back in third mounting and the fourth mounting, the both ends and the bottom face of circuit board body dispel the heat through first intake pipe and third intake pipe, and gas filters through third filter screen and first filter screen in first intake pipe and the third intake pipe during the heat dissipation, and personnel can external power supply open the fan and admit air through the second intake pipe and dispel the heat to the circuit board body, and gaseous through the second filter screen when radiating filters, make circuit board body radiating efficiency higher, prevent that circuit board body high temperature from causing the damage of ageing components and parts.

Drawings

Fig. 1 is a schematic view of the top closed structure of the present invention;

fig. 2 is a schematic view of the top-down expanded structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

fig. 4 is a schematic view of the appearance structure of the present invention.

In the figure: 1. a first intake pipe; 2. a first fixing member; 3. a second fixing member; 4. a threaded hole; 5. a second intake pipe; 6. a fixed mount; 7. a circuit board body; 8. a third fixing member; 9. a fourth fixing member; 10. a through hole; 11. a limiting plate; 12. a groove; 13. a first filter screen; 14. a support block; 15. a second filter screen; 16. a third filter screen; 17. a bolt; 18. a third intake pipe; 19. a fan.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 as a specific case by those skilled in the art.

Example one

As shown in fig. 1-4, the utility model provides a composite circuit board with good heat dissipation effect, including first mounting 2, second mounting 3, third mounting 8 and fourth mounting 9, the inner wall of first mounting 2 and third mounting 8 all is seted up flutedly 12, and it has circuit board body 7 to slide in the recess 12 and peg graft, limiting plate 11 has all been welded to the bottom face of first mounting 2 and third mounting 8, and set up through-hole 10 in the limiting plate 11, mount 6 is all installed to the inner wall of second mounting 3 and fourth mounting 9, mount 6 carries out spacing to circuit board body 7, and the size of circuit board body 7 and the internal diameter size looks adaptation of mount 6, supporting shoe 14 is installed in the laminating of the bottom face of limiting plate 11, supporting shoe 14 is equipped with four altogether, and four supporting shoes 14 are rectangular array relative to limiting plate 11 and distribute, second mounting 3 is spacing, All seted up screw hole 4 in fourth mounting 9, first mounting 2 and the third mounting 8, and screw hole 4 in-connection has bolt 17.

The working principle of the composite circuit board with good heat dissipation effect based on the embodiment 1 is as follows: when the personnel are fixing circuit board body 7, the personnel slide circuit board body 7 and peg graft and carry on spacingly in the recess 12 of first mounting 2 and third mounting 8, the personnel install the back on circuit board body 7 with the mount 6 laminating on second mounting 3 and the fourth mounting 9 in spacing, install second mounting 3 and fourth mounting 9 on first mounting 2 and third mounting 8 through bolt 17 and connect, connect the back through first mounting 2, second mounting 3, third mounting 8 and fourth mounting 9 carry on spacingly and fixedly to circuit board body 7, increase circuit board body 7's stability, and circuit board body 7's bottom face supports and protects through limiting plate 11.

Example two

As shown in fig. 1-4, the utility model provides a composite circuit board that radiating effect is good compares in embodiment one, and this embodiment still includes: the inner walls of the first fixing piece 2 and the third fixing piece 8 are respectively provided with a groove 12, a circuit board body 7 is inserted in the grooves 12 in a sliding manner, the outer surface side ends of the first fixing piece 2 and the third fixing piece 8 are respectively embedded and fixed with a first air inlet pipe 1, a third filter screen 16 is arranged in the first air inlet pipe 1, the bottom end faces of the first fixing piece 2 and the third fixing piece 8 are respectively welded with a limiting plate 11, a through hole 10 is arranged in the limiting plate 11, a third air inlet pipe 18 is embedded and fixed in the through hole 10, a first filter screen 13 is arranged in the third air inlet pipe 18, the inner walls of the second fixing piece 3 and the fourth fixing piece 9 are respectively provided with a fixing frame 6, the second fixing piece 3, the fourth fixing piece 9, a threaded hole 4 is arranged in the first fixing piece 2 and the third fixing piece 8, and a bolt 17 is connected in the threaded hole 4, the side end faces of the second fixing part 3 and the fourth fixing part 9 are respectively embedded and fixed with a second air inlet pipe 5, a second filter screen 15 and a fan 19 are installed in the second air inlet pipe 5, and as is well known to those skilled in the art, the fan 19 is provided with common knowledge, which belongs to conventional means or common knowledge, and is not described herein again, and those skilled in the art can make any choice according to the needs or convenience thereof.

In this embodiment, the personnel are installing circuit board body 7 in first mounting 2, second mounting 3, back in third mounting 8 and the fourth mounting 9, circuit board body 7's both ends and bottom face dispel the heat through first intake pipe 1 and third intake pipe 18, and gas filters through third filter screen 16 and first filter screen 13 in first intake pipe 1 and the third intake pipe 18 during the heat dissipation, and personnel can external power supply open fan 19 and admit air through second intake pipe 5 and dispel the heat to circuit board body 7, and gas filters through second filter screen 15 when radiating, make circuit board body 7 radiating efficiency higher.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a composite circuit board that radiating effect is good, includes first mounting (2), second mounting (3), third mounting (8) and fourth mounting (9), its characterized in that: the inner wall of first mounting (2) and third mounting (8) all sets up fluted (12), and slides in recess (12) and peg graft and have circuit board body (7), limiting plate (11) have all been welded to the bottom face of first mounting (2) and third mounting (8), and seted up through-hole (10) in limiting plate (11), mount (6) are all installed to the inner wall of second mounting (3) and fourth mounting (9), all set up screw hole (4) in second mounting (3), fourth mounting (9), first mounting (2) and third mounting (8), and screw hole (4) in-connection has bolt (17).

2. The composite circuit board with good heat dissipation effect according to claim 1, characterized in that: the outer surface side end of first mounting (2) and third mounting (8) all imbeds and is fixed with first intake pipe (1), and installs third filter screen (16) in first intake pipe (1).

3. The composite circuit board with good heat dissipation effect according to claim 1, characterized in that: a third air inlet pipe (18) is embedded and fixed in the through hole (10), and a first filter screen (13) is installed in the third air inlet pipe (18).

4. The composite circuit board with good heat dissipation effect according to claim 1, characterized in that: the bottom end face of the limiting plate (11) is provided with four supporting blocks (14) in a fitting mode, and the four supporting blocks (14) are distributed in a rectangular array mode relative to the limiting plate (11).

5. The composite circuit board with good heat dissipation effect according to claim 1, characterized in that: the fixing frame (6) limits the circuit board body (7), and the size of the circuit board body (7) is matched with the size of the inner diameter of the fixing frame (6).

6. The composite circuit board with good heat dissipation effect according to claim 1, characterized in that: the side end faces of the second fixing piece (3) and the fourth fixing piece (9) are fixedly embedded with a second air inlet pipe (5), and a second filter screen (15) and a fan (19) are installed in the second air inlet pipe (5).