CN214481951U

CN214481951U - Composite heat-conducting PCB

Info

Publication number: CN214481951U
Application number: CN202120259023.XU
Authority: CN
Inventors: 孟文明; 夏俊
Original assignee: KUNSHAN HUACHEN ELECTRONICS CO Ltd
Current assignee: KUNSHAN HUACHEN ELECTRONICS CO Ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-10-22
Anticipated expiration: 2031-01-29

Abstract

The utility model relates to the field of circuit boards, and discloses a composite heat-conducting PCB circuit board, which comprises a base, a supporting plate, a movable plate and a circuit board body, the top of the base is provided with a supporting plate, the bottom of the supporting plate is fixedly connected with the top of the base, the supporting plate is provided with two strip-shaped grooves, the movable plate is movably connected with the strip-shaped groove of the supporting plate, a groove is arranged on one side of the movable plate, the circuit board body is movably connected with the movable plate, the utility model is characterized in that the first heat dissipation plate, the second heat dissipation plate, the ventilation square holes and the ventilation holes are mutually matched, so that the internal temperature of the circuit board can be effectively reduced, the service life of the circuit board is prolonged, and in addition, through mutually supporting of bracing piece, rubber sleeve, sliding block, first spring and connecting device for the impact force that the circuit board body received reduces, and the inside electronic component of circuit board can not be because of external force damage.

Description

Composite heat-conducting PCB

Technical Field

The utility model relates to a circuit board field specifically is a compound heat conduction PCB circuit board.

Background

Along with the development of science and technology, the circuit board has played more and more important effect, and the application field of circuit board is also more and more wide, and current circuit board is after long-time work, the inevitable phenomenon that can appear generating heat to make the life of circuit board reduce, to a certain extent, also caused the waste of resource, in addition, the circuit board is when highly falling down from, owing to not setting up the device of buffering, thereby lead to the damage of circuit board very easily, influence electronic product's normal use.

Therefore, a composite heat-conducting PCB circuit board is designed.

Disclosure of Invention

Not enough to prior art, the utility model provides a compound heat conduction PCB circuit board has solved the problem of proposition in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a compound heat conduction PCB circuit board, includes base, backup pad, fly leaf and circuit board body, the top of base is equipped with the backup pad, backup pad bottom fixed connection has seted up two bar recesses in the base top in the backup pad, fly leaf swing joint in backup pad bar recess department, and fly leaf one side seted up the recess, circuit board body swing joint in fly leaf.

Furthermore, the number of the supporting plates is two, a first heat dissipation plate and a second heat dissipation plate are arranged between the two supporting plates, and the two ends of the first heat dissipation plate and the two ends of the second heat dissipation plate are fixedly connected with the supporting plates respectively.

Furthermore, a ventilation square hole is formed in the center of the side face of the base, and a plurality of circular ventilation holes are formed in the top of an inner cavity of the ventilation square hole.

Further, be equipped with the bracing piece in the bar recess of backup pad, the both ends fixed connection of bracing piece is in the recess lateral wall of backup pad, and two rubber sleeves of bracing piece external surface fixed connection, be equipped with the sliding block between two rubber sleeves, and the center department of sliding block has seted up the through-hole, the through-hole lateral wall swing joint of sliding block is in the bracing piece surface, sliding block and fly leaf fixed connection, the below of sliding block is equipped with first spring, the surface of bracing piece is located to first spring, and the both ends difference fixed connection of first spring is in sliding block and backup pad recess lateral wall.

Furthermore, a connecting device is arranged in the inner cavity of the groove of the movable plate.

Further, connecting device includes connecting plate, second spring and card strip, the connecting plate is located in the recess of fly leaf, and the through-hole has been seted up to the one end of connecting plate, the both ends of second spring fixed connection respectively in fly leaf recess bottom and connecting plate bottom, the card strip is the rubber material, and card strip fixed connection in circuit board body, and the card strip is in the recess that connecting plate recess lateral wall was seted up.

The utility model has the advantages that: 1. the utility model discloses a, through mutually supporting of first heating panel, second heating panel, square hole of ventilating and air vent for the inside temperature of circuit board can obtain effectual reduction, has prolonged the life of circuit board.

2. The utility model discloses a, through mutually supporting of bracing piece, rubber sleeve, sliding block, first spring and connecting device for the impact force that the circuit board body received reduces, thereby makes the inside electronic component of circuit board can not harm because of external force.

Drawings

Fig. 1 is a schematic structural view of the present invention; fig. 2 is a schematic structural view of a cross-sectional view of the present invention; fig. 3 is a schematic structural diagram of a in fig. 2.

In the figure: 1. a base; 2. a support plate; 3. a movable plate; 4. a circuit board body; 5. a first heat dissipation plate; 6. a second heat dissipation plate; 7. a square ventilation hole; 8. a vent hole; 9. a support bar; 10. a rubber sleeve; 11. a slider; 12. a first spring; 13. a connecting device; 14. a connecting plate; 15. a second spring; 16. and (6) clamping the strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-3: the utility model provides a compound heat conduction PCB circuit board, the on-line screen storage device comprises a base 1, a supporting plate 2, fly leaf 3 and circuit board body 4, the top of base 1 is equipped with backup pad 2, square hole 7 of ventilating has been seted up to the side center department of base 1, and the inner chamber top of square hole 7 of ventilating has seted up a plurality of circular shape air vent 8, backup pad 2 bottom fixed connection is in base 1 top, two bar grooves have been seted up on backup pad 2, backup pad 2 is equipped with two, and be equipped with first heating panel 5 and second heating panel 6 between two backup pad 2, and the both ends of first heating panel 5 and second heating panel 6 are fixed connection with backup pad 2 respectively, fly leaf 3 swing joint is in backup pad 2 bar groove, and fly leaf 3 one side is seted up flutedly, be equipped with connecting device 13 in fly leaf 3 recess inner chamber, circuit board body 4 swing joint is in fly leaf 3, through first heating panel 5, circuit board body 4, The second heat dissipation plate 6, the ventilation square holes 7 and the ventilation holes 8 are matched with each other, so that the internal temperature of the circuit board can be effectively reduced, and the service life of the circuit board is prolonged.

Wherein, be equipped with bracing piece 9 in the bar recess of backup pad 2, the both ends fixed connection of bracing piece 9 is in the recess lateral wall of backup pad 2, and two rubber sleeves 10 of bracing piece 9 external fixed surface connection, be equipped with sliding block 11 between two rubber sleeves 10, and sliding block 11's center department has seted up the through-hole, sliding block 11's through-hole lateral wall swing joint is in the bracing piece 9 surface, sliding block 11 and fly leaf 3 fixed connection, sliding block 11's below is equipped with first spring 12, the surface of bracing piece 9 is located to first spring 12, and the both ends difference fixed connection of first spring 12 is in sliding block 11 and backup pad 2 recess lateral walls.

Connecting device 13 includes connecting plate 14, second spring 15 and card strip 16, connecting plate 14 is located in the recess of fly leaf 3, and the through-hole has been seted up to the one end of connecting plate 14, the both ends of second spring 15 are fixed connection respectively in fly leaf 3 recess bottom and connecting plate 14 bottom, card strip 16 is the rubber material, and card strip 16 fixed connection is in circuit board body 4, card strip 16 is in the recess that 14 recess lateral walls of connecting plate were seted up, through bracing piece 9, rubber sleeve 10, sliding block 11, mutually supporting of first spring 12 and connecting device 13, make the impact force that circuit board body 4 received reduce, thereby make the inside electronic component of circuit board can not harm because of external force.

To sum up, when the utility model is used, the temperature inside the circuit board rises after the circuit board continuously works for a period of time through the mutual matching of the first heat dissipation plate 5, the second heat dissipation plate 6, the ventilation square holes 7 and the ventilation holes 8, and the temperature of the circuit board is reduced under the action of the first heat dissipation plate 5 and the second heat dissipation plate 6, in addition, under the action of the ventilation square holes 7 and the ventilation holes 8, the air flows more smoothly, which is beneficial to the temperature reduction, through the mutual matching of the support rod 9, the rubber sleeve 10, the sliding block 11, the first spring 12 and the connecting device 13, when the circuit board is acted by the external force in the up-down direction, the sliding block 11 moves upwards or downwards, the first spring 12 is stretched or compressed, when the circuit board is acted by the impact force in the horizontal direction, the connecting plate 14 moves towards the inside or outside the groove of the movable plate 3, the second spring 15 deforms, under the action of the first spring 12 and the second spring 15, the impact force applied to the circuit board body 4 is reduced, so that the electronic components in the circuit board are not damaged by external force.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a compound heat conduction PCB circuit board, includes base (1), backup pad (2), fly leaf (3) and circuit board body (4), its characterized in that: the circuit board is characterized in that a supporting plate (2) is arranged at the top of the base (1), the bottom of the supporting plate (2) is fixedly connected to the top of the base (1), two strip-shaped grooves are formed in the supporting plate (2), the movable plate (3) is movably connected to the strip-shaped grooves of the supporting plate (2), a groove is formed in one side of the movable plate (3), and the circuit board body (4) is movably connected to the movable plate (3).

2. The composite heat-conducting PCB circuit board of claim 1, wherein: the support plates (2) are two, a first heat dissipation plate (5) and a second heat dissipation plate (6) are arranged between the two support plates (2), and the two ends of the first heat dissipation plate (5) and the two ends of the second heat dissipation plate (6) are fixedly connected with the support plates (2) respectively.

3. The composite heat-conducting PCB circuit board of claim 1, wherein: the base is characterized in that a ventilation square hole (7) is formed in the center of the side face of the base (1), and a plurality of circular ventilation holes (8) are formed in the top of an inner cavity of the ventilation square hole (7).

4. The composite heat-conducting PCB circuit board of claim 1, wherein: be equipped with bracing piece (9) in the bar recess of backup pad (2), the both ends fixed connection of bracing piece (9) is in the recess lateral wall of backup pad (2), and bracing piece (9) outer fixed surface is connected with two rubber sleeves (10), be equipped with sliding block (11) between two rubber sleeves (10), and the center department of sliding block (11) has seted up the through-hole, the through-hole lateral wall swing joint of sliding block (11) is in bracing piece (9) surface, sliding block (11) and fly leaf (3) fixed connection, the below of sliding block (11) is equipped with first spring (12), the surface of bracing piece (9) is located in first spring (12), and the both ends difference fixed connection of first spring (12) is in sliding block (11) and backup pad (2) recess lateral wall.

5. The composite heat-conducting PCB circuit board of claim 1, wherein: and a connecting device (13) is arranged in the cavity of the groove of the movable plate (3).

6. The composite heat-conducting PCB circuit board of claim 5, wherein: the connecting device (13) comprises a connecting plate (14), a second spring (15) and a clamping strip (16), the connecting plate (14) is arranged in a groove of the movable plate (3), a through hole is formed in one end of the connecting plate (14), two ends of the second spring (15) are fixedly connected to the bottom of the groove of the movable plate (3) and the bottom of the connecting plate (14) respectively, the clamping strip (16) is made of rubber, the clamping strip (16) is fixedly connected to the circuit board body (4), and the clamping strip (16) is located in a groove formed in the side wall of the groove of the connecting plate (14).