CN214676269U

CN214676269U - High temperature resistant printed PCBA board with radiating fins

Info

Publication number: CN214676269U
Application number: CN202120458399.3U
Authority: CN
Inventors: 刘德荣
Original assignee: Abp Electronics Ltd
Current assignee: Abp Electronics Ltd
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-11-09
Anticipated expiration: 2031-03-03

Abstract

The utility model discloses a high temperature resistant printed PCBA board with radiating fins, which relates to the field of printed PCBA boards, and comprises a PCBA board body, wherein one side of the upper surface of the PCBA board body is fixedly connected with a fixed base, the upper surface of the fixed base is provided with a fixed frame, the inside of the fixed base is provided with a radiating fin body, the bottom end of the radiating fin body is fixedly connected with the upper surface of the PCBA board body, the inside of the fixed frame is provided with a supporting rod, the top end of the supporting rod is fixedly provided with a radiating fan, the bottom fixed sleeve of the supporting rod is provided with a connecting wire, the utility model utilizes the movable design of the fixed frame, when dust is adhered on the outer surface of the radiating fin body, the fixed frame can be moved away from the upper part of the radiating fins, then the radiating fins can be exposed outside, thereby an operator can clean the radiating fins, and the heat carried by the radiating fins can be discharged through the radiating fan in time, ensure that the circuit elements on the PCBA board body can work normally.

Description

High temperature resistant printed PCBA board with radiating fins

Technical Field

The utility model relates to a printing PCBA board technical field specifically is high temperature resistant printing PCBA board with radiating fin.

Background

The printed PCBA board is one of the circuit boards and is an important electronic element, and a large amount of heat is easily generated in the working process of the printed PCBA board, so that the aging degree of the circuit elements on the printed PCBA board is increased, the service life of the circuit elements is reduced, and therefore people often set radiating fins on the printed PCBA board, and the aging time of the circuit elements is shortened.

The radiating fins on the existing printed PCBA board are often externally provided with a radiating fan, so that heat carried on the radiating fins is quickly discharged, but the radiating fins can be adhered with dust after working for a long time, the radiating efficiency of the radiating fan is reduced, and the aging of circuit elements is still accelerated.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To prior art not enough, the utility model discloses a high temperature resistant printing PCBA board with radiating fin to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: high temperature resistant printed PCBA board with radiating fin, including PCBA board body, one side fixedly connected with unable adjustment base of PCBA board body upper surface, unable adjustment base's upper surface is provided with fixed frame, unable adjustment base's inside is provided with the radiating fin body, the bottom of radiating fin body and the last fixed surface of PCBA board body are connected, the inside of fixed frame is provided with the bracing piece, the top fixed mounting of bracing piece has the heat dissipation fan, the fixed cover in bottom of bracing piece is equipped with connecting wire, connecting wire's one end and the last fixed surface of PCBA board body are connected.

Preferably, one side of the upper surface of the fixed base is fixedly connected with a fixed pin shaft, the top of the fixed pin shaft is sleeved with a linkage baffle, one side of the upper surface of the linkage baffle is sleeved with a positioning screw, and the bottom of the positioning screw is in threaded connection with the upper surface of the fixed base.

Preferably, the spout has all been seted up to the both sides of unable adjustment base upper surface, two the inside equal slip cap of spout is equipped with the slider, two the top of slider respectively with the both sides fixed connection of fixed frame lower surface.

Preferably, the limiting groove, two have all been seted up to the both sides of spout inner wall bottom the inside of limiting groove all slides the cover and is equipped with the stopper, two the one end of stopper respectively with the both sides fixed connection of slider bottom.

Preferably, the inside fixedly connected with backup pad of fixed frame, a plurality of louvres have been seted up to the top equidistance of backup pad.

Preferably, the top of fixed frame equidistance fixedly connected with a plurality of dust guards, it is a plurality of the dust guard is staggered with a plurality of louvre.

The utility model discloses a high temperature resistant printing PCBA board with radiating fin, its beneficial effect who possesses as follows:

1. the utility model discloses an utilize mobilizable design of fixed frame, when radiating fin body surface adhesion dust, can remove fixed frame from radiating fin's top, then radiating fin can expose externally, thereby the operator can clear up radiating fin, the heat that guarantees radiating fin and carry can be timely discharges to the external world through the heat dissipation fan, guarantee that circuit component on the PCBA board body can normally work, can also reduce circuit component's ageing time simultaneously, and then alright extension PCBA board body's life.

2. The utility model discloses an utilize the design of dust guard and backup pad, seted up the louvre in the backup pad to the louvre is staggered arrangement with the dust guard, so this external dust is difficult simultaneously through the gap between this dustproof and the inside adhesion of louvre to radiating fin's surface, and then long when increasing radiating fin's use, avoids the operator to clear up radiating fin frequently.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic view of the internal profile structure of the fixing base and the fixing frame of the present invention

Fig. 5 is an enlarged schematic structural diagram of the present invention at C in fig. 4.

In the figure: 1. a PCBA board body; 2. a fixed base; 3. a fixing frame; 4. a dust-proof plate; 5. fixing a pin shaft; 6. a linkage baffle plate; 7. a set screw; 8. a chute; 9. a slider; 10. a limiting groove; 11. a limiting block; 12. a heat radiating fin body; 13. a support bar; 14. a heat dissipation fan; 15. connecting a lead; 16. and a support plate.

Detailed Description

The embodiment of the utility model discloses a high temperature resistant printed PCBA board with radiating fins, as shown in figures 1-5, comprising a PCBA board body 1, a fixed base 2 is fixedly connected with one side of the upper surface of the PCBA board body 1, the upper surface of the fixed base 2 is provided with a fixed frame 3, the overlooking of the fixed frame 3 is in a shape of 'mouth', a radiating fin body 12 is arranged inside the fixed base 2, the bottom end of the radiating fin body 12 is fixedly connected with the upper surface of the PCBA board body 1, a support rod 13 is arranged inside the fixed frame 3, a radiating fan 14 is fixedly installed at the top end of the support rod 13, the radiating fan 14 is used for extracting heat carried by the radiating fin body 12, a connecting wire 15 is fixedly arranged at the bottom end of the support rod 13, one end of the connecting wire 15 is fixedly connected with the upper surface of the PCBA board body 1, when the PCBA board body 1 works, the heat dissipation fan 14 can be driven to rotate by current through the connecting wire 15.

One side fixedly connected with fixed pin axle 5 of 2 upper surfaces of unable adjustment base, refer to figure 2, fixed pin axle 5 is the T type, linkage baffle 6 has been cup jointed at fixed pin axle 5's top, linkage baffle 6 is used for restricting fixed frame 3 and can not carry out lateral shifting, one side cover of 6 upper surfaces of linkage baffle is equipped with set screw 7, the bottom of set screw 7 and unable adjustment base 2's upper surface threaded connection, set screw 7 screw thread is twisted and can be fixed linkage baffle 6 after unable adjustment base 2's inside.

Spout 8 has all been seted up to the both sides of 2 upper surfaces of unable adjustment base, and the inside equal slip cap of two spout 8 is equipped with slider 9, and the top of two slider 9 respectively with the both sides fixed connection of fixed frame 3 lower surface, slider 9 can make the removal of fixed frame 3 have the directive property in the inside removal of spout 8.

Spacing groove 10 has all been seted up to the both sides of 8 inner wall bottoms of spout, and the inside of two spacing grooves 10 all slides the cover and is equipped with stopper 11, two stopper 11 one end respectively with the both sides fixed connection of slider 9 bottom, stopper 11 can not follow the inside roll-off of spacing groove 10, and then just restrict slider 9 and can not follow the inside roll-off of spout 8, and then make fixed frame 3 can not break away from unable adjustment base 2's top.

The inside fixedly connected with backup pad 16 of fixed frame 3, a plurality of louvres have been seted up to the top equidistance of backup pad 16, a plurality of dust guards 4 of the top equidistance fixedly connected with of fixed frame 3, and a plurality of dust guards 4 are staggered arrangement with a plurality of louvres, and the top of outside dust adhesion to radiating fin body 12 can effectually be prevented to dust guard 4 and the staggered arrangement of louvre.

The working principle is as follows: after the adhesion dust on radiating fin body 12, the operator at first twists out set screw 7 from unable adjustment base 2's upper surface, then operator rotation linkage baffle 6, linkage baffle 6 is rotatory along the top of fixed pin axle 5, stop after linkage baffle 6 is parallel with fixed frame 3's front, the operator can promote fixed frame 3 this moment, fixed frame 3 drives slider 9 and removes in the inside of spout 8, slider 9 drives stopper 11 and slides along the inside of spacing groove 10, final fixed frame 3 can be followed radiating fin body 12's top completely and shifted out, then the operator can carry out radiating fin body 12's clearance.

After the cooling fin body 12 is cleaned up, the operator reversely pushes the fixed frame 3 to move to the initial position, then the rotary linkage baffle 6 is attached to the bottom of the fixed frame 3, and then the positioning screw 7 is screwed into the inside of the fixed base 2 again.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. High temperature resistant printed PCBA board with radiating fin, including PCBA board body (1), its characterized in that: one side fixedly connected with unable adjustment base (2) of PCBA board body (1) upper surface, the upper surface of unable adjustment base (2) is provided with fixed frame (3), the inside of unable adjustment base (2) is provided with radiating fin body (12), the bottom of radiating fin body (12) and the last fixed surface of PCBA board body (1) are connected, the inside of fixed frame (3) is provided with bracing piece (13), the top fixed mounting of bracing piece (13) has heat dissipation fan (14), the fixed cover in bottom of bracing piece (13) is equipped with connecting wire (15), the one end of connecting wire (15) and the last fixed surface of PCBA board body (1) are connected.

2. A high temperature resistant printed PCBA board with heat dissipating fins, as claimed in claim 1, wherein: one side fixedly connected with fixed pin axle (5) of unable adjustment base (2) upper surface, linkage baffle (6) have been cup jointed at the top of fixed pin axle (5), one side cover of linkage baffle (6) upper surface is equipped with set screw (7), the upper surface threaded connection of the bottom of set screw (7) and unable adjustment base (2).

3. A high temperature resistant printed PCBA board with heat dissipating fins, as claimed in claim 1, wherein: spout (8), two have all been seted up to the both sides of unable adjustment base (2) upper surface the inside all sliding sleeve of spout (8) is equipped with slider (9), two the top of slider (9) respectively with the both sides fixed connection of fixed frame (3) lower surface.

4. A high temperature resistant printed PCBA board with heat dissipating fins in accordance with claim 3, wherein: spacing groove (10), two have all been seted up to the both sides of spout (8) inner wall bottom the inside all sliding sleeve of spacing groove (10) is equipped with stopper (11), two the one end of stopper (11) respectively with the both sides fixed connection of slider (9) bottom.

5. A high temperature resistant printed PCBA board with heat dissipating fins, as claimed in claim 1, wherein: the inner part of the fixed frame (3) is fixedly connected with a supporting plate (16), and a plurality of heat dissipation holes are formed in the top end of the supporting plate (16) at equal intervals.

6. A high temperature resistant printed PCBA board with heat dissipating fins, as claimed in claim 1, wherein: the top of fixed frame (3) equidistance fixedly connected with a plurality of dust guards (4), it is a plurality of dust guard (4) and a plurality of louvre are staggered arrangement.