CN212211764U

CN212211764U - Heat dissipation type circuit board

Info

Publication number: CN212211764U
Application number: CN202020954306.1U
Authority: CN
Inventors: 李怀宾
Original assignee: Foshan Shunde Yongyi Electric Appliance Co ltd
Current assignee: Foshan Shunde Yongyi Electric Appliance Co ltd
Priority date: 2020-05-30
Filing date: 2020-05-30
Publication date: 2020-12-22
Anticipated expiration: 2030-05-30

Abstract

The utility model discloses a heat dissipation type circuit board, which comprises a circuit board body, a heat dissipation block is fixedly connected with the bottom of the circuit board body, a mounting seat is installed on one side of the heat dissipation block, a filter screen is arranged on one side of the mounting seat, an air blower is fixedly installed in the mounting seat, an air outlet pipe is fixedly connected with the air outlet of the air blower, one end of the air outlet pipe is fixedly connected with a conveying pipe, one end of the conveying pipe is fixedly connected with a connecting pipe, one end of the connecting pipe is fixedly connected with an exhaust pipe, the air blower blows in external air, the air enters the connecting pipe through the exhaust pipe and enters the heat dissipation block through the conveying pipe, in the air circulation process, the heat on the connecting pipe, the conveying pipe and the exhaust pipe is taken away, the heat dissipation of the circuit board body is realized, the heat dissipation efficiency is improved.

Description

Heat dissipation type circuit board

Technical Field

The utility model relates to a circuit board field especially relates to a heat dissipation type circuit board.

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.

This application improves under prior art, and among the prior art, traditional radiating mode generally sets up the heating panel on the base plate of circuit board, takes away the heat of base plate through heating panel heat conduction, but if the base plate generates heat for a long time duration, especially hot summer, the radiating effect still is relatively poor, influences the normal use of components and parts very easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat dissipation type circuit board.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heat dissipation type circuit board comprises a circuit board body, wherein the bottom of the circuit board body is fixedly connected with symmetrically distributed fixing rods, one end, far away from the circuit board body, of each fixing rod is fixedly provided with a heat dissipation block, one side of each heat dissipation block is provided with a mounting seat, one side, far away from the heat dissipation block, of each mounting seat is provided with a filter screen, an air blower is fixedly arranged in each mounting seat, an air outlet of each air blower is fixedly connected with an air outlet pipe, one end, extending into each heat dissipation block, of each air outlet pipe is fixedly connected with a conveying pipe, one end, extending out of each heat dissipation block, of each conveying pipe is bonded with the upper surface of the circuit board body through heat dissipation silica gel, one end, extending out of each heat dissipation block, of each conveying, one end of the exhaust pipe, which is far away from the connecting pipe, is communicated with the inside of the radiating block.

As a further description of the above technical solution: the heat dissipation device is characterized in that a heat dissipation fan is fixedly mounted in the heat dissipation block, a partition plate fixedly connected with the inner wall of the heat dissipation block is arranged on one side, close to the air outlet pipe, of the heat dissipation fan, and a plurality of groups of heat dissipation holes distributed at equal intervals are formed in the upper surface of the heat dissipation block.

As a further description of the above technical solution: one side threaded connection that the radiating block is close to the circuit board body has the stopper of symmetric distribution, the logical groove of symmetric distribution is seted up to one side that the stopper is close to the circuit board body, the one end outer wall welding that the dead lever stretched into the stopper has the installation piece of symmetric distribution, and installation piece and logical groove looks adaptation.

As a further description of the above technical solution: the mounting groove that the symmetric distribution was seted up to one side that the mount pad is close to the filter screen, install in the mounting groove with filter screen fixed connection's fixed block, it is two sets of the draw-in groove has all been seted up to one side that the fixed block was kept away from each other, draw-in groove inner wall butt has the fixture block, and is two sets of the equal fixedly connected with in one side that the fixture block was kept away from each other and mount pad sliding connection's movable rod.

As a further description of the above technical solution: the one end fixedly connected with horizontal pole that the mount pad was stretched out to the movable rod, one side fixedly connected with that the horizontal pole is close to the mount pad and the spring that the movable rod outer lane cup jointed, and the spring other end and mount pad outer wall fixed connection.

As a further description of the above technical solution: the connecting pipe is S-shaped, and the connecting pipe, the conveying pipe and the exhaust pipe are all made of materials with good heat conducting performance.

The utility model discloses following beneficial effect has:

1. the utility model discloses well pulling horizontal pole, the spring shrink, in the fixture block gets into the mount pad simultaneously, promote the filter screen and make the fixed block on the filter screen get into the mounting groove in, loosen the horizontal pole this moment, the spring resets and drives the movable rod and reset and then drive in the fixture block gets into the draw-in groove, realize the installation to the filter screen promptly, promote the radiating block and make two sets of dead levers of circuit board body bottom and installation piece get into the spacing piece through the draw-in groove in, rotate the certain angle of stopper, make logical groove and installation piece not be in same vertical on-line, realize the installation between radiating block and the circuit board body promptly, later with the blast pipe, conveyer pipe and connecting pipe bond with the circuit board body through heat dissipation silica gel, can accomplish holistic installation, all adopt detachable installation.

2. The utility model discloses in the air-blower blows in the blast pipe with outside air through the outlet duct, later air gets into the connecting pipe through the blast pipe and gets into in the radiating block through the conveyer pipe, the connecting pipe, the heat that produces on the contact site absorption circuit board body of conveyer pipe and blast pipe and circuit board body, the circulation of air in-process, take away the connecting pipe, the heat on conveyer pipe and the blast pipe, realize the heat dissipation to the circuit board body, later get into the hot-air in the radiating block and discharge through the louvre after heat dissipation fan blows, realize dredging to the heat on the circuit board, the heat-sinking capability of circuit board has been improved, and the heat dissipation efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation circuit board according to the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is an enlarged schematic structural diagram of the position B of fig. 1 in the present invention.

Illustration of the drawings:

1-circuit board body, 2-connecting pipe, 3-conveying pipe, 4-exhaust pipe, 5-radiating block, 6-radiating hole, 7-radiating fan, 8-fixed rod, 9-air outlet pipe, 10-mounting seat, 11-air blower, 12-filter screen, 13-limiting block, 14-through groove, 15-mounting block, 16-fixed block, 17-mounting groove, 18-movable rod, 19-cross rod, 20-clamping groove and 21-clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be constructed and operated in a specific orientation, 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, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, 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 in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a heat dissipation type circuit board, which comprises a circuit board body 1, wherein the bottom of the circuit board body 1 is fixedly connected with symmetrically distributed fixing rods 8, one end of each fixing rod 8 far from the circuit board body 1 is fixedly provided with a heat dissipation block 5, one side of each heat dissipation block 5 is provided with a mounting seat 10, one side of each mounting seat 10 far from the heat dissipation block 5 is provided with a filter screen 12, an air blower 11 is fixedly arranged in each mounting seat 10, an air outlet pipe 9 is fixedly connected with an air outlet pipe 9 of each air blower 11, one end of each air outlet pipe 9 extending into the heat dissipation block 5 is fixedly connected with a conveying pipe 3, one end of each conveying pipe 3 extending out of the heat dissipation block 5 is bonded with the upper surface of the circuit board body 1 through heat dissipation silica gel, one end of each conveying pipe 3 extending out of the heat dissipation block 5 is fixedly connected, one end of the exhaust pipe 4, which is far away from the connecting pipe 2, is communicated with the inside of the heat dissipation block 5, and air is introduced into the connecting pipe 2 through the connecting pipe 2, the conveying pipe 3 and the blower 11, so that the heat absorbed by the connecting pipe 2 from the circuit board body 1 is taken away when the air flows through the connecting pipe 2, and the heat dissipation is facilitated;

referring to fig. 1, in the present application, a heat dissipation fan 7 is fixedly installed in a heat dissipation block 5, the heat dissipation fan 7 is convenient for quickly discharging hot air entering the heat dissipation block 5, and is also convenient for accelerating the air circulation speed in a connection pipe 2, thereby improving the heat dissipation efficiency, a partition plate fixedly connected with the inner wall of the heat dissipation block 5 is arranged on one side of the heat dissipation fan 7 close to an air outlet pipe 9, the partition plate prevents the hot air entering the heat dissipation block 5 from entering the outer walls of a delivery pipe 3 and the air outlet pipe 9, so that the air outlet pipe 9 and the delivery pipe 3 are heated, a plurality of groups of heat dissipation holes 6 are formed in the upper surface of the heat;

referring to fig. 1 and 2, in the application, a symmetrically-distributed limiting block 13 is in threaded connection with one side of the heat dissipation block 5 close to the circuit board body 1, a symmetrically-distributed through groove 14 is formed in one side of the limiting block 13 close to the circuit board body 1, a symmetrically-distributed mounting block 15 is welded on the outer wall of one end, extending into the limiting block 13, of the fixed rod 8, and the mounting block 15 is matched with the through groove 14, so that the circuit board body 1 and the heat dissipation block 5 can be conveniently mounted and dismounted;

referring to fig. 1 and 3, in the application, one side of the mounting seat 10 close to the filter screen 12 is provided with symmetrically distributed mounting grooves 17, fixed blocks 16 fixedly connected with the filter screen 12 are mounted in the mounting grooves 17, one sides of the two groups of fixed blocks 16 away from each other are provided with clamping grooves 20, clamping blocks 21 are abutted to the inner walls of the clamping grooves 20, one sides of the two groups of clamping blocks 21 away from each other are fixedly connected with movable rods 18 in sliding connection with the mounting seat 10, one ends of the movable rods 18 extending out of the mounting seat 10 are fixedly connected with cross rods 19, one sides of the cross rods 19 close to the mounting seat 10 are fixedly connected with springs sleeved with the outer rings of the movable rods 18, and the other ends of the springs are fixedly connected with the outer;

referring to fig. 1, in this application, connecting pipe 2 shape is the S-shaped, and connecting pipe 2, conveyer pipe 3 and blast pipe 4 all adopt the material that the thermal conductivity is good to make, and the connecting pipe 2 of being convenient for carries out the heat conduction to circuit board body 1.

The working principle is as follows:

in the application, during installation, the cross rod 19 is pulled, the spring is contracted, meanwhile, the fixture block 21 enters the installation seat 10, the filter screen 12 is pushed to enable the fixing block 16 on the filter screen 12 to enter the installation groove 17, at the moment, the cross rod 19 is loosened, the spring is reset to drive the movable rod 18 to reset and further drive the fixture block 21 to enter the clamping groove 20, namely, the installation of the filter screen 12 is realized, the radiating block 5 is pushed to enable the two groups of fixing rods 8 and the installation block 15 at the bottom of the circuit board body 1 to enter the limiting block 13 through the through groove 14, the limiting block 13 is rotated for a certain angle, so that the through groove 14 and the installation block 15 are not positioned on the same vertical line, namely, the installation between the radiating block 5 and the circuit board body 1 is realized, then, the exhaust pipe 4, the conveying pipe 3 and the connecting pipe 2, the maintenance and the cleaning are convenient;

in this application, during the use, air-blower 11 blows in the blast pipe 4 with the outside air through outlet duct 9 in, later the air gets into connecting pipe 2 and gets into in the radiating block 5 through conveyer pipe 3 through blast pipe 4, connecting pipe 2, conveyer pipe 3 and blast pipe 4 absorb the heat that produces on the circuit board body 1 with the contact site of circuit board body 1, the circulation of air in-process, take away connecting pipe 2, the heat on conveyer pipe 3 and the blast pipe 4, realize the heat dissipation to circuit board body 1, later get into the hot-air in the radiating block 5 and discharge through louvre 6 after blowing of cooling fan 7, realize dredging to the heat on the circuit board, the heat-sinking capability of circuit board has been improved, and the heat-radiating efficiency is improved.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a heat dissipation type circuit board, includes circuit board body (1), its characterized in that: the heat dissipation device is characterized in that the bottom of the circuit board body (1) is fixedly connected with fixing rods (8) which are symmetrically distributed, one end, far away from the circuit board body (1), of each fixing rod (8) is fixedly provided with a heat dissipation block (5), one side, far away from the heat dissipation block (5), of each heat dissipation block (5) is provided with a mounting seat (10), one side, far away from the heat dissipation block (5), of each mounting seat (10) is provided with a filter screen (12), an air blower (11) is fixedly installed in each mounting seat (10), an air outlet of each air blower (11) is fixedly connected with an air outlet pipe (9), one end, stretching into the heat dissipation block (5), of each air outlet pipe (9) is fixedly connected with a conveying pipe (3), one end, stretching out of each conveying pipe (3), of each heat dissipation block (5) is bonded with the upper surface of the circuit board body (1) through, one end of the connecting pipe (2) far away from the circuit board body (1) is fixedly connected with an exhaust pipe (4) which is bonded with the circuit board body (1), and one end of the exhaust pipe (4) far away from the connecting pipe (2) is communicated with the inside of the radiating block (5).

2. The heat dissipation type circuit board according to claim 1, wherein: fixed mounting has radiator fan (7) in radiating block (5), one side that radiator fan (7) are close to outlet duct (9) is equipped with the baffle with radiating block (5) inner wall fixed connection, louvre (6) that the multiunit equidistance distributes are seted up to the upper surface of radiating block (5).

3. The heat dissipation type circuit board according to claim 1, wherein: one side threaded connection that radiating block (5) is close to circuit board body (1) has stopper (13) of symmetric distribution, stopper (13) are close to one side of circuit board body (1) and set up logical groove (14) of symmetric distribution, the one end outer wall welding that dead lever (8) stretched into stopper (13) has installation piece (15) of symmetric distribution, and installation piece (15) and logical groove (14) looks adaptation.

4. The heat dissipation type circuit board according to claim 1, wherein: mounting seat (10) are close to one side of filter screen (12) and offer mounting groove (17) of symmetric distribution, install in mounting groove (17) with filter screen (12) fixed connection's fixed block (16), two sets of draw-in groove (20) have all been seted up to one side that fixed block (16) kept away from each other, draw-in groove (20) inner wall butt has fixture block (21), and is two sets of the equal fixedly connected with in one side and mounting seat (10) sliding connection's of fixture block (21) keep away from each other movable rod (18).

5. The heat dissipation type circuit board according to claim 4, wherein: one end fixedly connected with horizontal pole (19) that mount pad (10) were stretched out in movable rod (18), one side fixedly connected with that horizontal pole (19) are close to mount pad (10) cup joints with movable rod (18) outer lane spring, and the spring other end and mount pad (10) outer wall fixed connection.

6. The heat dissipation type circuit board according to claim 1, wherein: the connecting pipe (2) is S-shaped, and the connecting pipe (2), the conveying pipe (3) and the exhaust pipe (4) are all made of materials with good heat conducting performance.