CN215179279U

CN215179279U - Practical test system based on FPC product

Info

Publication number: CN215179279U
Application number: CN202121360533.2U
Authority: CN
Inventors: 雷宏辉; 陈旭露
Original assignee: Zhuhai Jindefang Intelligent Technology Co ltd
Current assignee: Zhuhai Jindefang Intelligent Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-14
Anticipated expiration: 2031-06-18

Abstract

The utility model relates to a FPC circuit board test equipment technical field specifically is a practical test system based on FPC product, including test station, support, mount table, four apex angle departments of test station upper surface all are fixed with the support, the top of support is equipped with the mount table, and the tip surface of support all with the lower fixed surface of mount table, the inside fixed insert of mount table is equipped with electric putter, electric putter's flexible tip is equipped with and pushes down the subassembly, the inside of test station is equipped with the guide subassembly, and guides the subassembly and pushes down subassembly structure cooperation. The utility model discloses in through the squeezing action, pressure sensor will receive pressure work, when pressure reaches the predetermined value, through controller control electric putter stop work, can be with the fine centre gripping of circuit board on testing the station, it is firm inadequately to have effectively avoided the centre gripping of FPC board, damages the circuit of FPC circuit board easily at the in-process of test wiring, causes the unnecessary loss.

Description

Practical test system based on FPC product

Technical Field

The utility model relates to a FPC circuit board test equipment technical field specifically is a practical test system based on FPC product.

Background

An FPC (flexible printed board), which is one of printed circuit boards, is also called a "flexible board", is made of flexible base materials such as polyimide or polyester film, has the advantages of high wiring density, light weight, thin thickness, flexibility, high flexibility and the like, can bear millions of dynamic bending without damaging a lead, and in recent years, the market of mobile electronic products such as smart phones, tablet computers, wearable intelligent devices and the like is rapidly increased, and the trend of miniaturization and thinning of the devices is more and more obvious, so that the FPC board is vigorously developed.

In FPC manufacturing enterprise, FPC product shipment all can be through including visual inspection, test flows such as ICT and FCT, along with the reduction of labour population, reduce the manpower, it has become the trend to shorten the flow, ICT test equipment and FCT test equipment on the existing market can't accomplish the compatibility of both functions, can't accomplish a equipment and accomplish test requirement between them, current test station is not firm enough to the centre gripping of FPC board simultaneously, damage the circuit of FPC circuit board easily at the in-process of test wiring, cause unnecessary loss, we propose a practical test system based on FPC product in view of this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a practical test system based on FPC product to solve ICT test equipment and the FCT test equipment on the existing market that proposes in the above-mentioned background art and can't accomplish the compatibility of both functions, can't accomplish one equipment and accomplish both test requirements, current test station is not firm enough to the centre gripping of FPC board simultaneously, damages the problem of the circuit of FPC circuit board easily at the in-process of test wiring.

In order to achieve the above object, the utility model provides a following technical scheme: a practical testing system based on FPC products comprises a testing station, a support and an installation table, wherein the support is fixed at four vertex angles on the upper surface of the testing station, the installation table is arranged above the support, the end surface of the support is fixed with the lower surface of the installation table, an electric push rod is fixedly inserted in the installation table, a pressing component is arranged at the telescopic end of the electric push rod, a guide component is arranged in the testing station and is structurally matched with the pressing component, a clamping component is arranged between the testing station and the pressing component, and the clamping component is structurally matched with the guide component;

the testing station is also provided with an FPC circuit board testing system, and the testing system comprises a signal switching system, a signal processing system and a system control system.

Preferably, the pressing assembly comprises a connecting plate, a pressure sensor, a pressing plate and fixing columns, the end of the telescopic end of the electric push rod is fixed with the connecting plate, the lower surface of the connecting plate is fixed with the pressure sensor, the lower surface of the pressure sensor is fixed with the pressing plate, the fixing columns are fixed at four vertex angles on the lower surface of the pressing plate, lower holes are formed in the end surfaces of the fixing columns, springs A are fixed on the bottom wall surfaces of the lower holes, sliding columns are inserted into the end openings of the lower holes in a sliding mode, the end portions of the sliding columns are fixedly connected with the end portions of the springs A, and the sliding columns are elastically connected with the top wall of the lower hole through the springs A.

Preferably, the guide component comprises an air guide hole, a piston, a lower pressure column, a jacking column and a connecting hole, two air guide holes are formed in the upper surface of the test station, the piston is installed inside the air guide hole in a sliding mode, the connecting hole is formed in the test station and located between the bottoms of the two air guide holes, the lower pressure column is fixed on the upper surface of the piston on one side inside the test station, the jacking column is fixed on the upper surface of the piston on the other side inside the test station, and the end part of the lower pressure column is fixedly connected with the lower surface of the connecting plate.

Preferably, the centre gripping subassembly includes plummer, sliding tray and grip block, jacking post tip fixed surface has the plummer, the sliding tray is seted up to plummer upper surface both sides symmetry, the inside equal slip of sliding tray is equipped with the grip block, the inside slip chamber that has seted up between the sliding tray that is located of plummer, the inside subtend slip of slip chamber is equipped with two bevel blocks, the spread groove has all been seted up on bevel block surface, be fixed with spring B between the spread groove lateral wall, and two bevel blocks pass through the mutual elastic connection of spring B, the inside slide insert in bevel block one side that is located of plummer is equipped with the promotion post, promotion post tip surface is located and is fixed with the trapezoidal piece between two bevel blocks, and the trapezoidal piece corresponds inclined plane extrusion fit with two promotion posts.

Preferably, the signal transfer system signal transfer part mainly transfers the signal of the product to the transfer board through the probe module, and the signal is transmitted to the function test board through the FPC flat cable.

Preferably, sixty-four signal processing is arranged in the signal processing system, the signal processing system is composed of two functional test boards, and each functional test board can process thirty-two signals.

Preferably, the system control system consists of three parts, namely data processing, machine action control and human-computer interaction, and can be compatible with two testing modes, namely online testing and offline testing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the problem that the FPC circuit board is not firmly clamped in the prior art can be effectively solved through the structural matching of the pressing component and the guide component, the lower pressing column in the device is combined to move downwards to drive the piston on one side inside the testing station to move downwards, the piston on the other side inside the testing station is pushed upwards through the air pressure effect, the jacking column drives the bearing table to move upwards, then the end part of the sliding column is contacted with and extrudes the edge part of the FPC circuit board, through the extrusion effect, the pressure sensor is pressed to work, when the pressure reaches a preset value, the electric push rod is controlled by the controller to stop working, the circuit board can be well clamped on the testing station, the phenomenon that the FPC circuit board is not firmly clamped is effectively avoided, the circuit of the FPC circuit board is easily damaged in the process of testing and wiring, and unnecessary loss is caused;

2. by classifying and processing product signals and switching signals by utilizing a multiplexing switch, one set of system can realize compatible ICT and FCT tests, the signals cannot be influenced in the test process, the test flow is shortened, the test manpower is reduced, the production efficiency is improved, meanwhile, an online mode and an offline mode are used in a man-machine interaction mode, the production part is convenient to arrange and manufacture space reasonably according to the actual situation on site and the requirements of customers, and therefore the detection cost is reduced to a great extent.

Drawings

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

FIG. 2 is a schematic view of the pressing assembly of the present invention;

FIG. 3 is a schematic structural view of the guide assembly of the present invention;

FIG. 4 is a schematic view of the installation of the sliding column of the present invention;

FIG. 5 is a schematic view of the structure of the clamping assembly of the present invention;

fig. 6 is a schematic view of the testing system of the present invention.

In the figure: 1. a test station; 2. a support; 3. an installation table; 4. pressing the assembly; 401. a connecting plate; 402. a pressure sensor; 403. a lower pressing plate; 404. fixing a column; 405. a lower hole; 406. a spring A; 407. a sliding post; 5. a guiding component; 501. an air vent; 502. a piston; 503. pressing the column; 504. jacking the column; 505. connecting holes; 6. a clamping assembly; 601. a bearing table; 602. a sliding groove; 603. a clamping plate; 604. a sliding cavity; 605. a bevel block; 606. connecting grooves; 607. a spring B; 608. pushing the column; 609. a trapezoidal block; 7. an electric push rod.

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.

Referring to fig. 1-6, the present invention provides an embodiment:

a practical testing system based on an FPC product comprises a testing station 1, a support 2 and an installation table 3, wherein the support 2 is fixed at four vertex angles of the upper surface of the testing station 1, the installation table 3 is arranged above the support 2, the end surface of the support 2 is fixed with the lower surface of the installation table 3, an electric push rod 7 is fixedly inserted in the installation table 3, a pressing component 4 is arranged at the telescopic end of the electric push rod 7, a guide component 5 is arranged in the testing station 1, the guide component 5 is structurally matched with the pressing component 4, a clamping component 6 is arranged between the testing station 1 and the pressing component 4, and the clamping component 6 is structurally matched with the guide component 5;

the testing station 1 is also provided with an FPC circuit board testing system, and the testing system comprises a signal switching system, a signal processing system and a system control system;

further, the downward pressing component 4 includes a connecting plate 401, a pressure sensor 402, a downward pressing plate 403 and a fixing column 404, the end of the telescopic end of the electric push rod 7 is fixed with the connecting plate 401, the lower surface of the connecting plate 401 is fixed with the pressure sensor 402, the lower surface of the pressure sensor 402 is fixed with the downward pressing plate 403, the lower surfaces of the downward pressing plate 403 at four vertex angles are fixed with the fixing column 404, the end surface of the fixing column 404 is provided with a lower hole 405, the bottom wall surface of the lower hole 405 is fixed with a spring a406, a sliding column 407 is slidably inserted at the end of the lower hole 405, the end of the sliding column 407 is fixedly connected with the end of the spring a406, the sliding column 407 is elastically connected with the top wall of the lower hole 405 through the spring a406, the end of the sliding column 407 contacts and presses the edge of the FPC board, and the sliding column 407 can retract into the lower hole 405 against the elastic force of the spring a406, thereby effectively preventing the circuit board from being damaged by excessive pressing, through the extrusion effect, the pressure sensor 402 is pressed to work, and when the pressure reaches a preset value, the electric push rod 7 is controlled by the controller to stop working, so that the circuit board can be well clamped on the test station 1;

further, the guiding assembly 5 comprises an air guiding hole 501, a piston 502, a pressing column 503, a lifting column 504 and a connecting hole 505, two air guide holes 501 are formed in the upper surface of the test station 1, pistons 502 are slidably mounted in the air guide holes 501, a connecting hole 505 is formed in the interior of the test station 1 between the bottoms of the two air guide holes 501, a lower pressing column 503 is fixed on the upper surface of the piston 502 at one side in the test station 1, a lifting column 504 is fixed on the upper surface of the piston 502 at the other side in the test station 1, the end part of the lower pressing column 503 is fixedly connected with the lower surface of the connecting plate 401, the lower pressing column 503 is driven to move downwards in the process of moving downwards the connecting plate 401, the lower pressing column 503 drives the piston 502 at one side inside the testing station 1 to move downwards, the piston 502 at the other side in the jacking test station 1 is moved upwards under the action of air pressure, and the jacking column 504 drives the bearing table 601 to move upwards;

further, the clamping assembly 6 includes a bearing table 601, a sliding groove 602 and a clamping plate 603, the bearing table 601 is fixed on the end surface of the lifting column 504, the sliding grooves 602 are symmetrically formed on both sides of the upper surface of the bearing table 601, the clamping plate 603 is slidably mounted in the sliding groove 602, a sliding cavity 604 is formed in the bearing table 601 between the sliding grooves 602, two bevel blocks 605 are slidably mounted in the sliding cavity 604 in an opposite direction, a connecting groove 606 is formed in the surface of each bevel block 605, a spring B607 is fixed between the side walls of the connecting groove 606, the two bevel blocks 605 are elastically connected with each other through the spring B607, a pushing column 608 is slidably inserted in one side of the bevel block 605 in the bearing table 601, a trapezoidal block 609 is fixed between the two bevel blocks 605 on the end surface of the pushing column 608, and the trapezoidal block 609 is in press fit with the corresponding bevel of the two pushing columns 608, pushing the pushing column 608 inwards and driving the trapezoidal block 609 to move, according to the principle of inclined plane extrusion, the trapezoidal block 609 extrudes the inclined plane blocks 605 on two sides, the inclined plane blocks 605 overcome the elasticity of the spring B607 and push the clamping plates 603 to slide towards two sides, after a space is made, the FPC circuit board is placed on the surface of the bearing platform 601 at a position between the two clamping plates 603, then the pushing column 608 is slowly loosened, the whole body is driven to reset under the elasticity of the spring B607, and at the moment, the FPC circuit board is fixedly clamped by the inner surface of the clamping plates 603;

furthermore, the signal transfer part of the signal transfer system mainly transfers the signal of the product to the transfer board through the probe module, the signal is transmitted to the function test board through the FPC flat cable, and the signal of the product can be well transferred to the transfer board through the probe module;

furthermore, sixty-four signal processing is arranged in the signal processing system, the signal processing system consists of two functional test boards, each functional test board can process thirty-two signals, signals from the adapter board are respectively connected with the thirty-two signals according to signal types, partial functional tests of the IC, such as open circuit, short circuit, parameter test of basic components and the like, are firstly carried out, and then corresponding FCT test is carried out according to the functional circuit of the FPC to test whether the functions of the product can meet the requirements of product design;

furthermore, the system control system is composed of three parts, namely data processing, machine action control and human-computer interaction, and can be compatible with two testing modes, namely online testing mode and offline testing mode, wherein the online testing mode can store testing data in a computer and can even upload the testing data to a server as required, and the offline testing mode cannot store the testing data, and can visually display results and perform statistical analysis through an LCD display screen.

The working principle is as follows: when the FPC board is tested, the pushing column 608 is pushed inwards and drives the trapezoidal block 609 to move, the trapezoidal block 609 extrudes the inclined plane blocks 605 on two sides through the inclined plane extrusion principle, the inclined plane blocks 605 push the clamping plates 603 to slide towards two sides by overcoming the elasticity of the spring B607, after a space is left, the FPC board is placed on the surface of the bearing platform 601 at a position between the two clamping plates 603, then the pushing column 608 is loosened slowly and is driven to reset integrally under the elasticity of the spring B607, the FPC board is fixedly clamped by the inner surfaces of the clamping plates 603, then the electric push rod 7 extends to drive the pressing component 4 to move down integrally, the pressing column 503 is driven to move down in the process that the connecting plate 401 moves down, the pressing column 503 drives the piston 502 on one side inside the testing station 1 to move down, and the piston 502 on the other side inside the testing station 1 is pushed up through the air pressure effect, then the jacking column 504 drives the bearing platform 601 to move upwards, then the end part of the sliding column 407 contacts and presses the edge part of the FPC circuit board, the sliding column 407 can retract to the inside of the lower hole 405 against the elastic force of the spring A406 to effectively prevent the circuit board from being damaged due to excessive pressing, the pressure sensor 402 is pressed to work under the action of pressing, when the pressure reaches a preset value, the electric push rod 7 is controlled by the controller to stop working, the circuit board can be well clamped on the test station 1, ICT and FCT detection work is carried out after a circuit is connected, in an ICT test part, the ICT test part can be divided into two parts, one part is an open short circuit test, the other part is a basic component parameter measurement, in the FCT test, the test environment of a chip in a product is simulated inside the machine, under the condition of providing a power supply and a communication protocol for the product, the chip is enabled to normally work, and some parameter values in the state are read, it is determined whether it is within a reasonable range.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a practical test system based on FPC product, includes test station (1), support (2), mount table (3), its characterized in that: the testing device comprises a testing station (1), a mounting table (3) is arranged above the support (2), the end surface of the support (2) is fixed to the lower surface of the mounting table (3), an electric push rod (7) is fixedly inserted into the mounting table (3), a pressing component (4) is arranged at the telescopic end of the electric push rod (7), a guide component (5) is arranged inside the testing station (1), the guide component (5) is structurally matched with the pressing component (4), a clamping component (6) is arranged between the testing station (1) and the pressing component (4), and the clamping component (6) is structurally matched with the guide component (5);

the testing station (1) is also provided with an FPC circuit board testing system, and the testing system comprises a signal switching system, a signal processing system and a system control system.

2. The FPC product based utility test system of claim 1, wherein: the pressing component (4) comprises a connecting plate (401), a pressure sensor (402), a pressing plate (403) and a fixing column (404), a connecting plate (401) is fixed at the end part of the telescopic end of the electric push rod (7), a pressure sensor (402) is fixed on the lower surface of the connecting plate (401), a lower pressing plate (403) is fixed on the lower surface of the pressure sensor (402), fixing columns (404) are fixed on the lower surface of the lower pressing plate (403) at four top corners, lower holes (405) are formed in the end surface of the fixed column (404), springs A (406) are fixed on the bottom wall surface of the lower holes (405), sliding columns (407) are inserted in the end openings of the lower holes (405) in a sliding mode, the end of the sliding column (407) is fixedly connected with the end of the spring A (406), and the sliding column (407) is elastically connected with the top wall of the lower hole (405) through the spring A (406).

3. The FPC product based utility test system of claim 2, wherein: the guide component (5) comprises an air guide hole (501), a piston (502), a pressing column (503), a jacking column (504) and a connecting hole (505), wherein the upper surface of the test station (1) is provided with the two air guide holes (501), the piston (502) is arranged in the air guide hole (501) in a sliding mode, the connecting hole (505) is formed between the bottoms of the two air guide holes (501) in the test station (1), the pressing column (503) is fixed on the upper surface of the piston (502) on one side of the inside of the test station (1), the pressing column (504) is fixed on the upper surface of the piston (502) on the other side of the inside of the test station (1), and the end part of the pressing column (503) is fixedly connected with the lower surface of the connecting plate (401).

4. The FPC product based utility test system of claim 3, wherein: the clamping assembly (6) comprises a bearing table (601), sliding grooves (602) and a clamping plate (603), the bearing table (601) is fixed on the surface of the end part of the jacking column (504), the sliding grooves (602) are symmetrically formed in two sides of the upper surface of the bearing table (601), the clamping plate (603) is arranged in the sliding grooves (602) in a sliding mode, a sliding cavity (604) is formed in the bearing table (601) and located between the sliding grooves (602), two bevel blocks (605) are arranged in the sliding cavity (604) in a sliding mode in an opposite direction, a connecting groove (606) is formed in the surface of each bevel block (605), a spring B (607) is fixed between the side walls of the connecting groove (606), the two bevel blocks (605) are elastically connected with each other through the spring B (607), a pushing column (608) is inserted in the bearing table (601) in a sliding mode and located on one side of each bevel block (605), and a trapezoidal block (609) is fixed on the surface of the end part of the pushing column (608), and the trapezoidal block (609) is in press fit with the corresponding inclined surfaces of the two pushing columns (608).

5. The FPC product based utility test system of claim 1, wherein: the signal transfer system signal transfer part mainly transfers the signal of the product to the transfer board through the probe module, and the signal is transmitted to the function test board through the FPC flat cable.

6. The FPC product based utility test system of claim 1, wherein: the signal processing system is internally provided with a processing unit for processing sixty-four paths of signals and consists of two functional test boards, and each functional test board can process thirty-two paths of signals.

7. The FPC product based utility test system of claim 1, wherein: the system control system consists of three parts, namely data processing, machine action control and human-computer interaction, and can be compatible with two testing modes, namely online testing and offline testing.