CN212965346U

CN212965346U - Short circuit detection device for flexible circuit board

Info

Publication number: CN212965346U
Application number: CN202020854269.7U
Authority: CN
Inventors: 郭为军
Original assignee: Shenzhen Jingfushun Technology Co ltd
Current assignee: Shenzhen Jingfushun Technology Co ltd
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2021-04-13
Anticipated expiration: 2030-05-20

Abstract

The utility model relates to the technical field of short circuit of circuit boards, in particular to a short circuit detection device of a flexible circuit board, which comprises an equipment bottom plate and a mounting plate, wherein the top end of the equipment bottom plate is electrically connected with a circuit strip, the section size of the circuit strip is smaller than that of the equipment bottom plate, the outline of the equipment bottom plate is isosceles trapezoid, the top end of the equipment bottom plate is provided with a chip groove, the top end of the equipment bottom plate, which is far away from the chip groove, is provided with a mounting hole, the top end of the mounting plate is provided with a limit hole in a penetrating way, the top end of the equipment bottom plate is connected with a hole groove, heat that would pass through the chip and the line plate operating for a long time can be absorbed by the heat absorbing fins provided on the heat absorbing plate, then the heat is dissipated through the heat dissipation holes and the round holes formed in the heat dissipation plate, so that the chip and the line board can be protected from short circuit caused by high temperature.

Description

Short circuit detection device for flexible circuit board

Technical Field

The utility model relates to a circuit board short circuit technical field especially relates to a flexible line way board short circuit detection device.

Background

A Flexible Printed Circuit (FPC), also called a flexible circuit board or a flexible circuit board, is preferred … because of its excellent characteristics such as light weight, thin thickness, and free bending and folding, but the quality inspection of the FPC in China mainly depends on manual visual inspection, and is high in cost and low in efficiency. With the rapid development of the electronic industry, the design of circuit boards tends to be higher and higher in precision and density, the traditional manual detection method cannot meet the production requirements, the automatic detection of FPC defects becomes a necessary trend of industrial development, a flexible circuit (FPC) is a technology developed in the United states in the last 70 th century for developing the technology of space rockets, and a printed circuit with high reliability and excellent flexibility is manufactured by taking a polyester film or polyimide as a base material. The circuit can be bent at will, is folded, has light weight, small volume, good heat dissipation and convenient installation, and breaks through the traditional interconnection technology. In the structure of the flexible circuit, the constituent materials are an insulating film, a conductor, and an adhesive.

In the existing flexible circuit board, a large amount of heat can be generated due to long-time operation of the circuit board, and the coil and the electric wire can be short-circuited due to heat.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flexible circuit board short circuit detection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: including equipment bottom plate and mounting panel, the top electric connection of equipment bottom plate has the line, the cross sectional dimension of line is less than the equipment bottom plate, the appearance profile of equipment bottom plate is isosceles trapezoid, the chip groove has been seted up on the top of equipment bottom plate, the appearance profile in chip groove is the rectangle, the cross sectional dimension in chip groove is less than the cross sectional dimension of equipment bottom plate, the position that the chip groove was kept away from on the top of equipment bottom plate has seted up the mounting hole, the appearance profile of mounting hole is circular, the cross sectional dimension of mounting hole is less than the cross sectional dimension of equipment bottom plate, the top of mounting panel is run through and has been seted up spacing hole, the appearance profile of spacing hole is circular, and the appearance dimension of spacing hole is unanimous with the appearance dimension of mounting hole, the top through connection of equipment bottom plate has the hole groove.

Preferably, the top end of the equipment bottom plate is fixedly connected with a wire plate, one side of the wire plate is electrically connected with one side of the circuit strip, the outline of the wire plate is rectangular, the cross-sectional size of the wire plate is smaller than that of the equipment bottom plate, the top end of the equipment bottom plate is connected with a heat absorbing plate in an embedded mode, the outline of the heat absorbing plate is rectangular, and the cross-sectional size of the heat absorbing plate is smaller than that of the equipment bottom plate.

Preferably, the top end of the heat absorbing plate is fixedly connected with heat absorbing fins, the heat absorbing fins are arranged in a straight line shape, the cross-sectional dimension of each heat absorbing fin is smaller than that of the heat absorbing plate, the top end of the heat absorbing plate close to the heat absorbing fins is fixedly connected with a dark plate, the outline of the dark plate is rectangular, and the cross-sectional dimension of the dark plate is smaller than that of the heat absorbing plate.

Preferably, the heat sink plate is connected to the top middle part of the heat sink plate in an embedded manner, the top of the heat sink plate is connected with heat dissipation holes in a penetrating manner, the appearance profiles of the heat dissipation holes are rectangular, the cross sectional dimensions of the heat dissipation holes are smaller than those of the heat sink plate, the top of the heat sink plate is connected with round holes in a penetrating manner, and the appearance profiles of the round holes are round.

Preferably, the top end of the heat dissipation plate is connected with front holes in a penetrating mode, the front holes are arranged in a straight line shape, and the cross section size of the front holes is smaller than that of the heat dissipation plate.

Preferably, the top end of the heat dissipation plate is connected with a mounting plate in an embedded mode, the top end of the mounting plate is connected with a fixing hole in a penetrating mode, a square hole is formed in the top end of the heat dissipation plate, and the cross section size of the square hole is smaller than that of the heat dissipation plate.

Advantageous effects

1. The utility model discloses in, through heat-absorbing plate and the heating panel that sets up on the equipment bottom plate, can absorb the heat that will be through the chip of long-time operation and line board through the heat absorption fin that sets up on the heat-absorbing plate, then distribute away the heat through louvre and the round hole of seting up on the heating panel again, can protect chip and line board can not take place because of the condition that receives the high temperature and produce the short circuit like this.

2. The utility model discloses in, through setting up spacing hole, fixed orifices and mounting hole on equipment bottom plate and mounting panel, pass through the inside of the clamp of equipment bottom plate and mounting panel with absorber plate and heating panel fastening with absorber plate and heating panel through equipment bottom plate and mounting panel through the fastening connection of bolt, can make absorber plate and heating panel not need the external bolt of rethread and other reinforcement mode like this, more save the cost like this.

Drawings

Fig. 1 is an axial view structural schematic diagram of a short circuit detection device for a flexible circuit board according to the present invention;

fig. 2 is a schematic side view of the short circuit detection device for the flexible printed circuit board according to the present invention;

fig. 3 is a schematic structural view of a heat absorbing plate of the short circuit detection device of the flexible printed circuit board of the present invention;

fig. 4 is the utility model provides a flexible line way board short circuit detection device heating panel structure sketch map.

Illustration of the drawings:

1. an equipment backplane; 2. a heat absorbing plate; 3. a heat dissipation plate; 4. mounting a plate; 5. a line strip; 6. mounting holes; 7. a hole groove; 8. a chip slot; 9. a line board; 10. a fixing hole; 11. a limiting hole; 12. a circular hole; 13. A square hole; 14. a front aperture; 15. heat dissipation holes; 16. heat absorbing fins; 17. and (5) dark plate.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1-2, a short circuit detection device for a flexible circuit board comprises an equipment bottom plate 1 and a mounting plate 4, wherein the top end of the equipment bottom plate 1 is electrically connected with a circuit strip 5, the cross-sectional dimension of the circuit strip 5 is smaller than that of the equipment bottom plate 1, the outline of the equipment bottom plate 1 is isosceles trapezoid, the top end of the equipment bottom plate 1 is provided with a chip groove 8, the outline of the chip groove 8 is rectangular, the cross-sectional dimension of the chip groove 8 is smaller than that of the equipment bottom plate 1, the top end of the equipment bottom plate 1, far away from the chip groove 8, is provided with a mounting hole 6, the outline of the mounting hole 6 is circular, the cross-sectional dimension of the mounting hole 6 is smaller than that of the equipment bottom plate 1, the top end of the mounting plate 4 is provided with a limiting hole, and the overall dimension of the limiting hole 11 is consistent with that of the mounting hole 6, and the top end of the equipment bottom plate 1 is connected with a hole groove 7 in a penetrating manner.

The second embodiment is as follows:

referring to fig. 3-4, a short circuit detection device for a flexible circuit board, wherein a line board 9 is fixedly connected to the top end of a device base plate 1, one side of the line board 9 is electrically connected to one side of a circuit strip 5, the outline of the line board 9 is rectangular, the cross-sectional dimension of the line board 9 is smaller than that of the device base plate 1, the top end of the device base plate 1 is embedded and connected with a heat absorbing plate 2, the outline of the heat absorbing plate 2 is rectangular, the cross-sectional dimension of the heat absorbing plate 2 is smaller than that of the device base plate 1, the top end of the heat absorbing plate 2 is fixedly connected with heat absorbing fins 16, the heat absorbing fins 16 are arranged in a straight line, the cross-sectional dimension of the heat absorbing fins 16 is smaller than that of the heat absorbing plate 2, a dark plate 17 is fixedly connected to the position, close to the heat absorbing fins 16, the outline of the dark, the top middle part gomphosis of absorber plate 2 is connected with heating panel 3, the top through connection of heating panel 3 has louvre 15, louvre 15's appearance profile is the rectangle, louvre 15's cross sectional dimension is less than heating panel 3's cross sectional dimension, heating panel 3's top through connection has round hole 12, round hole 12's appearance profile is circular, heating panel 3's top through connection has front hole 14, front hole 14 is a style of calligraphy range, and front hole 14's cross sectional dimension is less than heating panel 3's cross sectional dimension, heating panel 3's top gomphosis is connected with mounting panel 4, mounting panel 4's top through connection has fixed orifices 10, square hole 13 has been seted up on heating panel 3's top, square hole 13's cross sectional dimension.

The utility model discloses a theory of operation: first, by the heat absorbing plate 2 and the heat dissipating plate 3 provided on the device chassis 1, heat of the chip and the wiring board 9 which will be operated for a long time can be absorbed by the heat absorbing fins 16 provided on the heat absorbing plate 2, then the heat is dissipated through the heat dissipating holes 15 and the circular holes 12 formed on the heat dissipating plate 3, this protects the chip and the line board 9 from short circuits caused by high temperatures, through the limiting holes 11, the fixing holes 10 and the mounting holes 6 arranged on the equipment bottom plate 1 and the mounting plate 4, the heat absorbing plate 2 and the heat radiating plate 3 are tightly clamped inside the equipment bottom plate 1 and the mounting plate 4 through the fastening connection of bolts, therefore, the heat absorbing plate 2 and the heat radiating plate 3 do not need to pass through external bolts or other reinforcing modes, and the cost is further saved.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flexible line way board short circuit detection device, includes equipment bottom plate (1) and mounting panel (4), its characterized in that: the top end of the equipment bottom plate (1) is electrically connected with a circuit strip (5), the cross-sectional dimension of the circuit strip (5) is smaller than that of the equipment bottom plate (1), the outline of the equipment bottom plate (1) is isosceles trapezoid, a chip groove (8) is formed in the top end of the equipment bottom plate (1), the outline of the chip groove (8) is rectangular, the cross-sectional dimension of the chip groove (8) is smaller than that of the equipment bottom plate (1), a mounting hole (6) is formed in a position, far away from the chip groove (8), of the top end of the equipment bottom plate (1), the outline of the mounting hole (6) is circular, the cross-sectional dimension of the mounting hole (6) is smaller than that of the equipment bottom plate (1), a limiting hole (11) is formed in the top end of the mounting plate (4) in a penetrating manner, the outline of the limiting hole (11) is circular, and the outline of the limiting hole (11) is consistent with that of the mounting hole (6), the top end of the equipment bottom plate (1) is connected with a hole groove (7) in a penetrating manner.

2. The short circuit detection device of the flexible circuit board according to claim 1, characterized in that: the top fixedly connected with line board (9) of equipment bottom plate (1), one side of line board (9) and one side electric connection of line strip (5), the appearance profile of line board (9) is the rectangle, and the cross sectional dimension of line board (9) is less than the cross sectional dimension of equipment bottom plate (1), the top gomphosis of equipment bottom plate (1) is connected with absorber plate (2), the appearance profile of absorber plate (2) is the rectangle, the cross sectional dimension of absorber plate (2) is less than the cross sectional dimension of equipment bottom plate (1).

3. The short circuit detection device of the flexible circuit board according to claim 2, characterized in that: the heat absorption plate is characterized in that heat absorption fins (16) are fixedly connected to the top end of the heat absorption plate (2), the heat absorption fins (16) are arranged in a straight line shape, the sectional size of each heat absorption fin (16) is smaller than that of the heat absorption plate (2), a dark plate (17) is fixedly connected to the position, close to the heat absorption fins (16), of the top end of the heat absorption plate (2), the outline of the dark plate (17) is rectangular, and the sectional size of the dark plate (17) is smaller than that of the heat absorption plate (2).

4. The short circuit detection device of the flexible circuit board according to claim 2, characterized in that: the heat sink is characterized in that a heat dissipation plate (3) is embedded in the middle of the top end of the heat absorption plate (2), heat dissipation holes (15) are connected to the top end of the heat dissipation plate (3) in a penetrating mode, the outline of the heat dissipation holes (15) is rectangular, the cross section of the heat dissipation holes (15) is smaller than that of the heat dissipation plate (3), round holes (12) are connected to the top end of the heat dissipation plate (3) in a penetrating mode, and the outline of the round holes (12) is circular.

5. The short circuit detection device of the flexible circuit board according to claim 4, characterized in that: the top end of the heat dissipation plate (3) is connected with a front hole (14) in a penetrating mode, the front holes (14) are arranged in a straight line shape, and the section size of the front holes (14) is smaller than that of the heat dissipation plate (3).

6. The short circuit detection device of the flexible circuit board according to claim 4, characterized in that: the top gomphosis of heating panel (3) is connected with mounting panel (4), the top through connection of mounting panel (4) has fixed orifices (10), square hole (13) have been seted up on the top of heating panel (3), the cross sectional dimension of square hole (13) is less than the cross sectional dimension of heating panel (3).