CN215641663U

CN215641663U - FPC detection device

Info

Publication number: CN215641663U
Application number: CN202121727251.1U
Authority: CN
Inventors: 何开文
Original assignee: Chongqing Liangjiang Lianchuang Electronic Co ltd
Current assignee: Chongqing Liangjiang Lianchuang Electronic Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-01-25
Anticipated expiration: 2031-07-27

Abstract

The utility model provides a FPC detection device, FPC is equipped with a plurality of link ends, the device includes: the device comprises a base, wherein a fixed platform is arranged on the base, an air hole and a driving assembly are arranged on the fixed platform, and the driving assembly pushes the fixed platform to move relative to the base in a telescopic manner; the device is still including locating stop gear, the detection mechanism on the base, and detection mechanism includes the determine module, and the determine module is inside to be equipped with detection circuitry, and detection circuitry is connected with the power input, and when link and determine module intercommunication, detection circuitry detects FPC inner line's connectivity. By arranging the FPC detection device, the problems of poor product outflow, high time consumption and low efficiency in a mode of human eye detection or microscopic examination are solved; the driving assembly improves the stability of the FPC on the fixed platform; the limiting mechanism can effectively limit the position of the FPC; the detection mechanism can avoid the outflow of bad products; the detection assembly is connected with the FPC through a detection circuit and has the function of detecting the connectivity of the FPC.

Description

FPC detection device

Technical Field

The utility model relates to the technical field of FPC detection, in particular to an FPC detection device.

Background

With the popularization of electronic products and the improvement of living standard of people, a Flexible Printed Circuit (FPC) is required to be used in many electronic products, such as mobile phones, watches, digital cameras, and the like.

At present, in the production of electronic products such as mobile phones, flat panels and notebooks, a display module is usually manufactured by adopting a mode of combining FPC and a display screen, in the production test process, when the electric property function of the FPC is detected, workers can only detect the FPC through human eyes or perform microscopic examination, whether the inner Link line of the FPC and a connector are well welded or not can not be ensured, a large amount of manual work is needed for checking, and the problems of poor product outflow, high time consumption and low efficiency exist.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide an FPC detection device, which is used for solving the problems that in the prior art, when a worker detects the electrical function of an FPC, the worker can only detect the FPC through human eyes or under a microscope, and the problems of poor product outflow, high time consumption and low efficiency exist.

The utility model provides an FPC detection device, wherein a plurality of connecting ends are arranged on an FPC, and the FPC detection device comprises:

the FPC fixing device comprises a base, wherein a fixing platform for placing the FPC is arranged on the base, a plurality of air holes are formed in the fixing platform, a driving assembly for providing vacuum output for the fixing platform is arranged below the fixing platform, and the driving assembly pushes the fixing platform to move in a telescopic mode relative to the base;

the limiting mechanism is arranged on the base and used for limiting the FPC;

the detection mechanism is arranged on the base and used for detecting the connectivity of the inner circuit of the FPC;

the detection mechanism comprises a plurality of detection assemblies, a detection circuit is arranged inside each detection assembly, one end of each detection circuit is connected with a power supply input, and when the connecting end is communicated with the detection assemblies, the detection circuit detects the connectivity of the FPC internal circuit.

By arranging the FPC detection device, the problems of poor product outflow, high time consumption and low efficiency in a mode of human eye detection or microscopic examination are solved; the driving assembly controls the fixing platform to move relative to the base in a telescopic mode, meanwhile, the driving assembly can provide a vacuum adsorption function for the fixing platform, and the stability of the FPC on the fixing platform is improved; on the other hand, the limiting mechanism can effectively limit the position of the FPC and prevent the FPC from falling off from the fixed platform; furthermore, the detection mechanism can measure the internal connectivity through the connecting end of the FPC, so that the outflow of bad products is avoided; specifically, the detection assembly is connected with the FPC through the detection circuit, and therefore the function of detecting connectivity of an internal circuit of the FPC is achieved.

Furthermore, the detection assembly comprises a first detection seat, a second detection seat and a cover arranged on the cover plate on the fixed platform, the cover plate is provided with a first fixed seat corresponding to the first detection seat and a second fixed seat corresponding to the second detection seat, when the cover plate covers the fixed platform, the first fixed seat is buckled with the first detection seat, and the second fixed seat is buckled with the second detection seat.

Furthermore, the first detection seat is provided with a plurality of first terminals, the second detection seat is provided with a plurality of second terminals, and when the plurality of connecting ends of the FPC are correspondingly placed into the first detection seat and the second detection seat, the first terminals and the second terminals are communicated with circuits in the connecting ends.

Furthermore, the detection circuit comprises detection elements and detection wires connected with the first terminals and the second terminals, and the detection elements are arranged between every two adjacent detection wires and are arranged in a reverse direction.

Furthermore, the first detection seat and the second detection seat are both provided with positioning parts, the first fixing seat and the second fixing seat are provided with fasteners corresponding to the positioning parts, and when the cover plate covers the fixing platform, the positioning parts are fastened with the fasteners.

Furthermore, a pivoting part is arranged on one side of the cover plate facing the fixed platform, and the cover plate is movably connected with the fixed platform through the pivoting part.

Furthermore, one side of the cover plate, which is far away from the pivot part, is provided with a limiting part, the fixed platform is provided with a limiting hole corresponding to the limiting part, and when the cover plate covers the fixed platform, the limiting part is arranged in the limiting hole.

Furthermore, the limiting mechanism comprises a limiting part circumferentially arranged on the fixed platform, and a movable groove is further formed in the base and is movably connected with the limiting part.

Furthermore, one side of the base is provided with an avoiding groove, and the avoiding groove is formed in the same side of the fixed platform and faces the middle of the base in a concave mode.

Furthermore, a plurality of fixing holes are further formed in the base, and the fixing holes are respectively formed in four top corners of the base.

Drawings

FIG. 1 is an overall structure diagram of an FPC testing device in an embodiment of the present invention;

FIG. 2 is a diagram of the base and the limiting mechanism of the embodiment of the present invention;

FIG. 3 is a bottom view of a base in an embodiment of the utility model;

FIG. 4 is a diagram of an embodiment of a detection mechanism according to the present invention;

FIG. 5 is a schematic diagram of an overall structure of the first and second testing seats according to the embodiment of the present invention;

FIG. 6 is an overall view of the cover plate according to the embodiment of the present invention;

FIG. 7 is an enlarged view of detail A of FIG. 6;

FIG. 8 is a diagram of an internal circuit of the detection circuit according to the embodiment of the present invention;

description of the main element symbols:

base seat	100	Cover plate	330
				Limiting mechanism	200	Air hole	111
Detection mechanism	300	First terminal	311
				Fixed platform	110	Locating piece	312
Drive assembly	120	Detection element	313
				Dodging groove	130	Second terminal	321
Fixing hole	140	First fixed seat	331
				Movable groove	150	Second fixed seat	332
Position limiting piece	210	Limiting part	333
				First detection seat	310	Pivoting part	334
Second detection seat	320	Fastening piece	3311

The following detailed description will further illustrate the utility model in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, the FPC detection device in the embodiment of the present invention is shown, the FPC is provided with a plurality of connection ends, the FPC detection device includes a base 100, and a limiting mechanism 200 and a detection mechanism 300 which are arranged on the base 100, the limiting mechanism 200 can effectively limit the position of the FPC on the base 100, so as to prevent the FPC from falling off the base 100; the detection mechanism 300 performs on-off test on the FPC, and further solves a series of problems caused by manual detection.

It should be noted that the structure shown in fig. 1 does not constitute a limitation of the FPC detection device, and in other embodiments, the device may include more or less components than those shown, or some components may be combined, or a different arrangement of components may be used.

Referring to fig. 2 to 3, a fixing platform 110 for placing an FPC is disposed on the base 100, a plurality of air holes 111 are disposed on the fixing platform 110, a driving assembly 120 for providing vacuum output to the fixing platform 110 is disposed below the fixing platform 110, and the driving assembly 120 pushes the fixing platform 110 to move telescopically relative to the base 100.

It can be understood that the driving assembly 120 enables the fixing platform 110 to move up and down relative to the base 100, and simultaneously provides vacuum output for the fixing platform 110, so that the FPC is more stable on the fixing platform 110, and the FPC is ensured not to fall off from the fixing platform 110, thereby improving the overall stability and the practicability of the device.

Further, one side of the base 100 is provided with an avoiding groove 130, the avoiding groove 130 is arranged on the same side of the fixing platform 110 and is recessed towards the middle of the base 100, the base 100 is further provided with a plurality of fixing holes 140, and the fixing holes 140 are respectively arranged on four top corners of the base 100.

As can be understood, through the arrangement of the avoiding groove 130, an avoiding effect is effectively achieved on the FPC taking completed by the working personnel, and the operation of the working personnel is further facilitated; the arrangement of the fixing hole 140 enables the device to be disassembled with the matched device, thereby improving the practicability and portability of the device;

specifically, the limiting mechanism 200 includes a limiting member 210 circumferentially disposed on the fixed platform 110, the base 100 is further provided with a movable slot 150, and the limiting member 210 is movably connected with the movable slot 150. It should be noted that, the movable groove 150 is arranged, so that the limiting member 210 can adjust the limiting size in the movable groove 150, and the device can be adapted to FPCs of various sizes;

referring to fig. 4 to 8, a detecting mechanism 300 according to an embodiment of the present invention is shown, which includes a plurality of detecting components, a detecting circuit is disposed inside the detecting components, one end of the detecting circuit is connected to a power input, and when the connecting end is connected to the detecting component, the detecting circuit detects connectivity of an internal circuit of the FPC.

It can be understood that the detection mechanism 300 can measure the internal connectivity through the connection end of the FPC, thereby preventing the outflow of the defective products; specifically, the detection assembly is connected with the FPC through the detection circuit, and therefore the function of detecting connectivity of an internal circuit of the FPC is achieved.

Further, the detecting assembly includes a first detecting seat 310, a second detecting seat 320 and a cover plate 330 covering the fixing platform 110, the cover plate 330 is provided with a first fixing seat 331 corresponding to the first detecting seat 310 and a second fixing seat 332 corresponding to the second detecting seat 320, when the cover plate 330 covers the fixing platform 110, the first fixing seat 331 is fastened with the first detecting seat 310, and the second fixing seat 332 is fastened with the second detecting seat 320.

It can be understood that when the FPC is placed on the first test socket 310 and the second test socket 320, the connection terminals are effectively prevented from bouncing off the first test socket 310 and the second test socket 320 by covering the cover plate 330 on the fixing platform 110; on the other hand, the cover plate 330 is arranged to enable the connection end to be connected with the first detection seat 310 and the second detection seat 320 more tightly, so that the detection accuracy is further improved.

Further, the first detecting base 310 is provided with a plurality of first terminals 311, the second detecting base 320 is provided with a plurality of second terminals 321, and when a plurality of connecting terminals of the FPC are correspondingly placed in the first detecting base 310 and the second detecting base 320, the first terminals 311 and the second terminals 321 are both communicated with the circuit in the connecting terminals.

It can be understood that the mutual contact of the connecting end at the detection seat can be kept apart in the setting of a plurality of terminals for every Link line of connecting end can both detect through the terminal, further promotes the precision that detects, avoids appearing detecting unusual problem.

Specifically, the detection circuit includes a detection element 313 and a detection conducting wire connecting the first terminal 311 and the second terminal 321, and the detection element 313 is disposed between every two adjacent detection conducting wires and arranged in a reverse arrangement.

As can be understood, the reverse arrangement can effectively improve the detection function of the FPC between the adjacent first terminal 311 and the adjacent second terminal 321; in this embodiment, the detection element 313 is a resistor, and the FPC is detected by a series resistor, so that normally, when the line is not open-short, the voltage values of the first terminal 311 and the second terminal 321 are measured as constant values, and when the line is short-circuited, the resistance value of the series resistor is reduced due to the short-circuit of a part of the resistor, and the voltage values of the first terminal 311 and the second terminal 321 are reduced accordingly.

In the embodiment, the first detecting seat 310 and the second detecting seat 320 are both provided with a positioning element 312, the first fixing seat 331 and the second fixing seat 332 are provided with a fastening element 3311 corresponding to the positioning element 312, and when the cover plate 330 covers the fixing platform 110, the positioning element 312 and the fastening element 3311 are fastened together.

It can be understood that setting up of setting element 312 and fastener 3311 on the one hand can effectually avoid each fixing base and each to detect taking off between the seat, promotes the measuring accuracy, and on the other hand can each fixing base of effectual promotion and each accuracy of detecting the seat and being connected, avoids appearing the problem of skew.

In this embodiment, a pivoting portion 334 is disposed on a side of the cover 330 facing the fixed platform 110, the cover 330 is movably connected to the fixed platform 110 through the pivoting portion 334, a limiting portion 333 is disposed on a side of the cover 330 away from the pivoting portion 334, a limiting hole corresponding to the limiting portion 333 is disposed on the fixed platform 110, and when the cover 330 covers the fixed platform 110, the limiting portion 333 is disposed in the limiting hole.

It will be appreciated that the pivot portion 334 is configured to allow the cover plate 330 to rotate with the fixed platform 110, thereby facilitating the use of the user; the arrangement of the limiting part 333 and the limiting hole can further improve the accuracy of the cover plate 330 and the fixing platform 110, and prevent the cover plate 330 and the fixing platform 110 from being covered and deviated, which leads to the deviation of the connection between each fixing seat and each detection seat inside.

In conclusion, the embodiment of the utility model avoids the problems of poor product outflow, high time consumption and low efficiency in a human eye detection or microscopic examination mode by arranging the FPC detection device; the driving assembly controls the fixing platform to move relative to the base in a telescopic mode, meanwhile, the driving assembly can provide a vacuum adsorption function for the fixing platform, and the stability of the FPC on the fixing platform is improved; on the other hand, the limiting mechanism can effectively limit the position of the FPC and prevent the FPC from falling off from the fixed platform; furthermore, the detection mechanism can measure the internal connectivity through the connecting end of the FPC, so that the outflow of bad products is avoided; specifically, the detection assembly is connected with the FPC through the detection circuit, and therefore the function of detecting connectivity of an internal circuit of the FPC is achieved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a FPC detection device, FPC is last to be equipped with a plurality of links, its characterized in that, FPC detection device includes:

the limiting mechanism is arranged on the base and used for limiting the FPC;

2. The FPC detecting device of claim 1, wherein the detecting assembly includes a first detecting seat, a second detecting seat, and a cover plate covering the fixing platform, the cover plate is provided with a first fixing seat corresponding to the first detecting seat and a second fixing seat corresponding to the second detecting seat, when the cover plate covers the fixing platform, the first fixing seat is engaged with the first detecting seat, and the second fixing seat is engaged with the second detecting seat.

3. The FPC detecting device of claim 2, wherein the first detecting seat is provided with a plurality of first terminals, the second detecting seat is provided with a plurality of second terminals, and when the plurality of connecting terminals of the FPC are correspondingly placed in the first detecting seat and the second detecting seat, the first terminals and the second terminals are both communicated with the circuits in the connecting terminals.

4. The FPC detecting device of claim 3, wherein the detecting circuit comprises a detecting element and a detecting wire connecting the first terminal and the second terminal, and the detecting element is disposed between every two adjacent detecting wires and arranged in a reverse arrangement.

5. The FPC detecting device of claim 2, wherein the first detecting seat and the second detecting seat are respectively provided with a positioning element, the first fixing seat and the second fixing seat are respectively provided with a fastener corresponding to the positioning element, and when the cover plate covers the fixing platform, the positioning element is fastened with the fastener.

6. The FPC detecting device of claim 2, wherein a side of the cover plate facing the fixed platform is provided with a pivot, and the cover plate is movably connected with the fixed platform through the pivot.

7. The FPC detecting device of claim 2, wherein a limiting portion is disposed on a side of the cover plate away from the pivot portion, a limiting hole corresponding to the limiting portion is disposed on the fixing platform, and when the cover plate covers the fixing platform, the limiting portion is disposed in the limiting hole.

8. The FPC detection device of claim 1, wherein the limiting mechanism includes a limiting member circumferentially disposed on the fixed platform, the base further includes a movable slot, and the limiting member is movably connected to the movable slot.

9. The FPC detection device of claim 1, wherein an avoidance groove is formed in one side of the base, and the avoidance groove is formed in the same side of the fixing platform and is recessed towards the middle of the base.

10. The FPC detecting device of claim 1, wherein the base is further provided with a plurality of fixing holes, and the fixing holes are respectively formed in four top corners of the base.