CN211744846U - Printed circuit board with waterproof function - Google Patents
Printed circuit board with waterproof function Download PDFInfo
- Publication number
- CN211744846U CN211744846U CN202020289831.6U CN202020289831U CN211744846U CN 211744846 U CN211744846 U CN 211744846U CN 202020289831 U CN202020289831 U CN 202020289831U CN 211744846 U CN211744846 U CN 211744846U
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- circuit board
- heat dissipation
- plate
- waterproof
- board body
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Abstract
The utility model relates to the technical field of printed circuit boards, in particular to a printed circuit board with a waterproof function, which comprises a circuit board body, a heat dissipation plate and a waterproof plate arranged at the top of the heat dissipation plate; a gap is formed between the waterproof plate and the heat dissipation plate; the heat dissipation plate is provided with a plurality of heat dissipation holes; fixing plates are arranged at the bottoms of the two sides of the heat dissipation plate; the fixing plate is provided with a containing groove for placing the circuit board body; the circuit board body is detachably arranged in the accommodating groove; the top of the fixing plate is provided with a fixing groove; a spring and a clamping block are arranged in the fixed groove; one end of the clamping block is connected with the spring; the other end of the clamping block stretches into the accommodating groove. The utility model discloses a set up the top that the waterproof board can prevent that external water from getting into the circuit board body, in addition through set up the space between waterproof board and heating panel and set up the louvre on the heating panel, play waterproof effect when can make the heat of circuit board body distribute away.
Description
Technical Field
The utility model relates to a printed wiring board technical field, concretely relates to printed wiring board with waterproof function.
Background
The circuit board is also called as a circuit board, can make the circuit miniaturized, visualized, play an important role in the batch production of fixed circuit and optimizing the layout of electrical appliances, and can also be called as a printed circuit board, and has the characteristics of high wiring density, light weight, thin thickness and good bending property.
In order to prevent external water from dropping into the printed circuit board and enable the printed circuit board to be prone to failure, in the prior art, a waterproof board is additionally arranged outside the printed circuit board, but the waterproof board is of a sealing structure, so that the heat dissipation effect of the printed circuit board is greatly reduced, the temperature of the printed circuit board is increased, and the working performance of electronic elements on the printed circuit board is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned among the prior art not enough, provide a printed wiring board with waterproof function.
The purpose of the utility model is realized through the following technical scheme: a printed circuit board with a waterproof function comprises a circuit board body, a heat dissipation plate and a waterproof plate arranged on the top of the heat dissipation plate; a gap is formed between the waterproof plate and the heat dissipation plate; the heat dissipation plate is provided with a plurality of heat dissipation holes; fixing plates are arranged at the bottoms of the two sides of the heat dissipation plate; the fixing plate is provided with a containing groove for placing the circuit board body; the circuit board body is detachably arranged in the accommodating groove; the bottom of the fixing plate is provided with a fixing groove; a spring and a clamping block are arranged in the fixed groove; one end of the clamping block is connected with the spring; the other end of the clamping block stretches into the accommodating groove.
The utility model discloses further set up to, be equipped with the inclined plane on the fixture block.
The utility model is further arranged that the cross section of the heat radiation plate and the cross section of the waterproof plate are both arc-shaped; and a connecting plate is arranged between the middle part of the heat dissipation plate and the middle part of the waterproof plate.
The utility model is further arranged that the two sides of the heat dissipation plate are both extended upwards to form a support; the top of the support post is provided with a side supporting plate; a water guide groove is arranged on the side supporting plate; the water guide grooves are formed in two sides of the waterproof board.
The utility model is further arranged that the circuit board body is provided with a jack in a penetrating way; the heat dissipation plate is provided with a limiting block; the limiting block penetrates through the jack and then is clamped with the circuit board body.
The utility model is further arranged in that the limiting block comprises a connecting strip arranged on the bottom surface of the heat dissipation plate; the bottom of the connecting strip is downwards connected with an elastic clamping hook which is obliquely arranged; the limiting block penetrates through the jack of the circuit board body, and then the free end of the elastic clamping hook abuts against the top of the circuit board body.
The utility model discloses further set up to, the top of elasticity trip is equipped with the baffle.
The utility model discloses further set up to, the bottom of circuit board body is equipped with the heat conduction copper.
The utility model discloses further set up to, heating panel and waterproof board integrated into one piece.
The utility model has the advantages that: the utility model discloses a set up the top that the waterproof board can prevent that external water from getting into the circuit board body, in addition through set up the space between waterproof board and heating panel and set up the louvre on the heating panel, play waterproof effect when can make the heat of circuit board body distribute away.
Drawings
The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the circuit board body of the present invention after being hidden;
FIG. 3 is a partial enlarged view of portion A of FIG. 2;
wherein: 1. a circuit board body; 11. a jack; 2. a heat dissipation plate; 21. heat dissipation holes; 3. a waterproof sheet; 31. a void; 4. a fixing plate; 41. a containing groove; 42. a spring; 43. a clamping block; 44. a bevel; 45. fixing grooves; 5. a connecting plate; 6. a pillar; 61. a side fascia; 62. a water chute; 7. a limiting block; 71. a connecting strip; 72. an elastic clamping hook; 73. a baffle plate; 8. a heat-conducting copper plate.
Detailed Description
The invention will be further described with reference to the following examples.
As can be seen from fig. 1 to 3, the printed circuit board with waterproof function according to the present embodiment includes a circuit board body 1, a heat dissipation plate 2, and a waterproof plate 3 disposed on top of the heat dissipation plate 2; a gap 31 is arranged between the waterproof plate 3 and the heat dissipation plate 2; a plurality of heat dissipation holes 21 are formed in the heat dissipation plate 2; the bottom parts of the two sides of the heat dissipation plate 2 are respectively provided with a fixing plate 4; the fixing plate 4 is provided with a containing groove 41 for placing the circuit board body 1; the circuit board body 1 is detachably arranged in the accommodating groove 41; the bottom of the fixing plate 4 is provided with a fixing groove 45; a spring 42 and a clamping block 43 are arranged in the fixing groove 45; one end of the clamping block 43 is connected with the spring 42; the other end of the latch 43 protrudes into the receiving groove 41.
Specifically, the printed circuit board with waterproof function according to this embodiment can prevent external water from entering the upper side of the circuit board body 1 by providing the waterproof plate 3, and meanwhile, in order to achieve an effective heat dissipation effect, the heat of the circuit board body 1 can be dissipated and the waterproof effect can be achieved by providing the gap 31 between the waterproof plate 3 and the heat dissipation plate 2 and providing the heat dissipation holes 21 on the heat dissipation plate 2; in addition, when the circuit board body 1 needs to be installed in the accommodating groove 41, the fixture block 43 is firstly pushed to enter the fixing groove 45, the spring 42 is in a compressed state at this time, and then the fixture block 43 is reset after the circuit board body 1 is pushed into the accommodating groove 41, so that the circuit board body 1 is clamped in the accommodating groove 41.
In the printed circuit board with waterproof function according to this embodiment, the inclined surface 44 is disposed on the latch 43. Through the arrangement, the circuit board body 1 can be conveniently pushed into the accommodating groove 41.
In the printed circuit board with the waterproof function of this embodiment, both the cross-sectional shape of the heat dissipation plate 2 and the cross-sectional shape of the waterproof plate 3 are arc-shaped; and a connecting plate 5 is arranged between the middle part of the heat dissipation plate 2 and the middle part of the waterproof plate 3. Through the setting, the waterproof effect can be effectively achieved.
In the printed circuit board with waterproof function of this embodiment, the pillars 6 extend upwards from both sides of the heat dissipation plate 2; the top of the support post 6 is provided with a side supporting plate 61; a water chute 62 is arranged on the side supporting plate 61; the water chute 62 is provided on both sides of the waterproof board 3. The water can be guided out by arranging the water guide groove 62.
In the printed circuit board with the waterproof function of the embodiment, the circuit board body 1 is provided with the jack 11 in a penetrating manner; the heat dissipation plate 2 is provided with a limiting block 7; and the limiting block 7 is clamped with the circuit board body 1 after penetrating through the jack 11. Through set up stopper 7 at heating panel 2 and set up jack 11 on circuit board body 1 for stopper 7 inserts in jack 11 can be fixed with heating panel 2 and circuit board body 1, the dismouting of being convenient for and can stably fix circuit board body 1 in storage tank 41.
In the printed circuit board with waterproof function according to this embodiment, the limiting block 7 includes a connecting strip 71 disposed on the bottom surface of the heat dissipation plate 2; the bottom of the connecting strip 71 is downwards connected with an elastic clamping hook 72 which is obliquely arranged; the limiting block 7 penetrates through the jack 11 of the circuit board body 1, and then the free end of the elastic clamping hook 72 abuts against the top of the circuit board body 1. Specifically, when the circuit board body 1 and the heat dissipation plate 2 need to be fixed, the elastic hook 72 is first tightened to insert the limiting block 7 into the insertion hole 11 on the circuit board body 1, and after the limiting block 7 completely passes through the insertion hole 11 on the circuit board body 1, the free end of the elastic hook 72 forms a barb to tightly clamp the circuit board body 1 in the accommodating groove 41.
In the printed circuit board with waterproof function of this embodiment, the top of the elastic hook 72 is provided with a baffle 73. By providing the baffle 73, abutment with the inner wall of the receptacle 11 is facilitated.
This embodiment a printed circuit board with waterproof function, the bottom of circuit board body 1 is equipped with heat conduction copper 8. The heat dissipation effect of the circuit board body 1 can be enhanced through the arrangement.
In the embodiment of the printed circuit board with waterproof function, the heat dissipation plate 2 and the waterproof plate 3 are integrally formed. The arrangement is convenient for production and manufacture.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (9)
1. The utility model provides a printed wiring board with waterproof function which characterized in that: comprises a circuit board body (1), a heat dissipation plate (2) and a waterproof plate (3) arranged at the top of the heat dissipation plate (2); a gap (31) is arranged between the waterproof plate (3) and the heat dissipation plate (2); a plurality of heat dissipation holes (21) are formed in the heat dissipation plate (2); the bottoms of the two sides of the heat dissipation plate (2) are respectively provided with a fixing plate (4); the fixing plate (4) is provided with a containing groove (41) for placing the circuit board body (1); the circuit board body (1) is detachably arranged in the accommodating groove (41); the bottom of the fixing plate (4) is provided with a fixing groove (45); a spring (42) and a clamping block (43) are arranged in the fixing groove (45); one end of the clamping block (43) is connected with the spring (42); the other end of the clamping block (43) protrudes into the accommodating groove (41).
2. The printed wiring board with a waterproof function according to claim 1, characterized in that: the fixture block (43) is provided with an inclined surface (44).
3. The printed wiring board with a waterproof function according to claim 1, characterized in that: the cross section of the heat dissipation plate (2) and the cross section of the waterproof plate (3) are both arc-shaped; and a connecting plate (5) is arranged between the middle part of the heat dissipation plate (2) and the middle part of the waterproof plate (3).
4. The printed wiring board with a waterproof function according to claim 3, characterized in that: both sides of the heat dissipation plate (2) extend upwards to form support columns (6); the top of the support post (6) is provided with a side supporting plate (61); a water chute (62) is arranged on the side supporting plate (61); the water guide grooves (62) are arranged on two sides of the waterproof board (3).
5. The printed wiring board with a waterproof function according to claim 1, characterized in that: the circuit board body (1) is provided with a jack (11) in a penetrating way; the heat dissipation plate (2) is provided with a limiting block (7); the limiting block (7) penetrates through the jack (11) and then is clamped with the circuit board body (1).
6. The printed wiring board with a waterproof function according to claim 5, wherein: the limiting block (7) comprises a connecting strip (71) arranged on the bottom surface of the heat dissipation plate (2); the bottom of the connecting strip (71) is downwards connected with an elastic clamping hook (72) which is obliquely arranged; the limiting block (7) penetrates through the jack (11) of the circuit board body (1) and then the free end of the elastic clamping hook (72) abuts against the top of the circuit board body (1).
7. The printed wiring board with a waterproof function according to claim 6, wherein: the top of the elastic clamping hook (72) is provided with a baffle (73).
8. The printed wiring board with a waterproof function according to claim 1, characterized in that: the bottom of circuit board body (1) is equipped with heat conduction copper (8).
9. The printed wiring board with a waterproof function according to claim 1, characterized in that: the heat dissipation plate (2) and the waterproof plate (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020289831.6U CN211744846U (en) | 2020-03-10 | 2020-03-10 | Printed circuit board with waterproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020289831.6U CN211744846U (en) | 2020-03-10 | 2020-03-10 | Printed circuit board with waterproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211744846U true CN211744846U (en) | 2020-10-23 |
Family
ID=72858078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020289831.6U Active CN211744846U (en) | 2020-03-10 | 2020-03-10 | Printed circuit board with waterproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211744846U (en) |
-
2020
- 2020-03-10 CN CN202020289831.6U patent/CN211744846U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |