CN220829571U - Automatic function test tool of PCB - Google Patents

Abstract

The application relates to an automatic function testing tool for a PCB, which comprises a box seat, a function testing board assembly, a positioning board assembly, a pressing mechanism, an automatic function testing instrument and a display screen assembly, wherein the PCB to be tested is arranged on the positioning board assembly, the PCB to be tested is pressed by the pressing mechanism, and the automatic function testing instrument and the function testing board assembly are mutually matched to perform full-automatic testing on the PCB to be tested. The application can rapidly and simply realize the compressing and limiting operation of the PCB, can automatically detect the functions of a screen, a camera, a fingerprint, a key, an audio, a motor, a SIM card, a T card, charging, NTC detection, current, a sensor, an earphone and radio frequency, can also detect the color and TP touch sensitivity of the screen, has strong universality, does not need to replace equipment hardware, does not need an operator to increase or edit a test program, saves equipment transformation cost and labor cost, can rapidly and intuitively display a test result, and has the advantages of high tool test efficiency, rapid and simple use and good safety.

Description

Automatic function test tool of PCB

Technical Field

The application relates to the technical field of automatic testing of PCBs, in particular to a tool for testing automatic functions of PCBs.

Background

In the production and processing process of the PCB, whether data identification and some basic functions are normal or not needs to be detected, and possible defects on the PCB are found early. The traditional scheme is to PCB reservation welding hole welding, rewiring power supply, and rethread test instrument carries out the reading and detects, however along with the continuous development progress of technique, the circuit board integrated level is higher and higher, and the shape size of plate body is smaller and smaller, and the solder joint is smaller and smaller, and adjacent solder joint's interval also is smaller and smaller, therefore the volume and the interval of the conductive probe of test usefulness also are smaller and smaller. The conductive probe has smaller volume, and the conductive probe is easy to be shorted or broken by manual operation, so that the test is influenced. The functions implemented inside the integrated circuit board are different, as are the designs of the test schemes. In the normal course of testing, each worker is responsible for a testing machine, connects the integrated circuit board with a group of accompanying testing tools (the functional electronic devices controlled by the integrated circuit board are combined), then sends control instructions to the accompanying testing tools in turn through the integrated circuit board, and judges whether the functions on the integrated circuit board are normal by checking whether the integrated circuit board receives correct feedback information and whether the accompanying testing tools are normally operated. Each test needs to connect the integrated circuit board to be tested with the accompanying test tools again in a one-to-one correspondence manner, and then test different function control circuits one by one. When mass production is detected, a large amount of manpower and material resources are required, so that the testing efficiency and the safety can be affected, and the cost is increased. The existing testing device for detecting the functions of the PCB by using the detection system does not need to use accompanying test tools, but the detection system needs to add or edit a testing program by an operator, and the functions which can be tested are fewer.

Disclosure of utility model

Aiming at the technical problems in the background technology, the application provides a PCB automatic function testing tool.

The application provides a PCB automatic function testing tool, which comprises a box seat; the function test board assembly is arranged on the box seat; the positioning plate assembly is detachably connected to the functional test plate assembly, and a PCB to be tested is placed above the positioning plate assembly; the compressing mechanism moves vertically above the locating plate assembly through the lifting assembly and compresses the PCB to be tested on the locating plate assembly; the automatic function tester is arranged at the bottom of the box seat, is connected with the function test board assembly and transmits signals; the display screen assembly is arranged on one side of the box seat, and an RGB information acquisition module assembly and a TP test module assembly are arranged above the display screen assembly; the PCB to be tested is arranged on the positioning plate assembly, the PCB to be tested is compressed by the compressing mechanism, and the automatic function tester and the function testing plate assembly are matched with each other to perform full-automatic testing on the PCB to be tested.

By adopting the technical scheme, the compressing mechanism and the locating plate assembly can rapidly, simply and conveniently realize compressing and limiting operation of the PCB to be tested; detecting whether the color of the display screen is normal or not by utilizing an RGB information acquisition module component; the TP testing module component detects TP touch sensitivity; the automatic function tester and the function test board assembly are matched with each other, so that each function test of the PCB can be fully automatically performed, equipment hardware does not need to be replaced, an operator does not need to increase or edit a test program, equipment transformation cost and labor cost are saved, and the tool with strong universality, high test efficiency, quick and convenient use and good safety is provided.

Preferably, the function test board assembly comprises a function test board, a front camera and a rear camera, wherein keys, a SIM card seat, a T card seat, a TYPE C seat, a earphone seat, an indicator light and a sensor are arranged on the function test board, and the function test board is externally connected with a main pole-dividing antenna, a WIFI, a BT antenna, a GPS antenna and an NFC antenna.

By adopting the technical scheme, the functions of the camera, the fingerprint, the keys, the motor, the SIM card, the T card, the charging, the NTC detection, the current, the sensor, the earphone, the radio frequency and the like of the PCB to be tested are tested.

Preferably, the locating plate assembly comprises an upper seat and a base, and a probe is arranged between the upper seat and the base.

By adopting the technical scheme, the PCB to be tested is placed and limited by the positioning plate assembly, so that the PCB to be tested can adapt to different shapes, and meanwhile, the probes are fixed between the upper seat and the base, so that the probes are prevented from deviating, and the PCB to be tested is in accurate contact with the probes in the positioning plate assembly; the two ends of the probe are elastic, the pressing mechanism presses and contacts the elastic part below the probe extending locating plate assembly with the functional test board, the elastic part above the probe extending locating plate assembly is pressed and contacted with the PCB to be tested, the situation that the probe is shorted or broken in the testing operation process is avoided, the safety is good, the functional test board is not required to weld the probe, and copper exposure is only required to be performed on the corresponding test point on the board.

Preferably, the pressing mechanism comprises a first bracket connected with the box seat, the lifting assembly is arranged on the first bracket, a pressing block is arranged on the lifting assembly, and a pressing strip on the pressing block is used for pressing the PCB to be tested.

Through adopting above-mentioned technical scheme, utilize lifting unit to make hold-down mechanism follow vertical direction motion, be convenient for according to the high adjustment hold-down mechanism of PCB that awaits measuring to compress tightly the PCB that awaits measuring on the locating plate subassembly, make the PCB that awaits measuring and the probe in the locating plate subassembly effective contact, thereby guarantee the accuracy of test result.

Preferably, the compressing mechanism is provided with a scanning module assembly and an audio loop assembly, and the scanning module assembly and the audio loop assembly are arranged in parallel with the PCB to be tested, the functional test board assembly and the positioning board assembly.

By adopting the technical scheme, the scanning module is used for scanning the two-dimensional code on the PCB to be tested, and collecting the related content of the PCB information warehouse-in reflecting board; the audio loop assembly tests the audio function of the PCB under test by self-testing the speaker and microphone against each other.

Preferably, the automatic function tester is a G3 automatic tester.

Preferably, the adapter power cord for the G3 automatic tester supplies power, and is connected with the functional test board assembly through a double-head earphone connecting wire, a ox horn winding displacement and a TYPE C data wire and transmits signals, and is connected with a PC through a PC data wire for communication.

Through adopting above-mentioned technical scheme, utilize G3 automatic tester, with the mutual cooperation of function test board to operate through G3 test software interface in the PC end, test each item function of waiting to test PCB, need not to change equipment hardware, also need not operating personnel to increase or edit test procedure yet, make the use of instrument more simple and convenient, use manpower cost sparingly, and can show the test result fast and directly perceivedly, thereby improve efficiency of software testing, and obtain the test result sooner.

Preferably, the display screen assembly comprises a display screen and an FPC (flexible printed circuit) flat cable, and the FPC flat cable is connected with the functional test board assembly.

By adopting the technical scheme, the FPC flat cable is connected with the function test board to supply power for the display screen and provide related data, so that the related functions of the display screen of the PCB to be tested are tested.

Preferably, the TP test module assembly comprises a TP probe pen, a third bracket fixed on the inclined plane of the base of the box seat and is connected with an automatic function tester through a wire.

Through adopting above-mentioned technical scheme, hang TP probe in the top of display screen, through the TP induction position coordinate that magnet induction read actual trigger, judge the operating condition of module, test TP touch sensitivity.

In summary, the application at least comprises the following beneficial technical effects:

1. The device can rapidly, simply and conveniently realize the compressing and limiting operation of the PCB, can automatically detect the screen, the camera, the fingerprint, the key, the audio, the motor, the SIM card, the T card, the charging, the NTC detection, the current, the sensor, the earphone and the radio frequency function test, can also detect the color and the TP touch sensitivity of the screen, and has flexible adjustment and strong universality;

2. The automatic function tester and the function test board assembly are matched with each other, and operate through the G3 test software interface in the PC end, so that all functions of the PCB to be tested are fully automatically tested, equipment hardware is not required to be replaced, an operator is not required to increase or edit a test program, a great amount of equipment transformation cost and labor cost are saved, and the test result is displayed rapidly and intuitively, so that the test efficiency is improved, and the tool is used more rapidly and conveniently.

3. The probe is inside the locating plate subassembly when not using, and the probe is pushed down because of hold-down mechanism only when using, and the probe both ends all have elasticity, and hold-down mechanism stretches out locating plate subassembly below elastic part with the probe and compresses tightly the contact with the function test board, stretches out locating plate subassembly top elastic part with the probe and compresses tightly the contact with the PCB board that awaits measuring, has avoided the condition that the probe takes place the short circuit or breaks at the in-process of test operation, and the security is good, and need not the function test board to weld the probe, only need correspond the test point on the board and reveal copper.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the application. Many of the intended advantages of other embodiments and embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

Fig. 1 is a schematic diagram of the overall structure of a PCB automated functional test tool according to the present application.

Fig. 2 is a schematic structural view of various components of a PCB automated functional testing tool according to the present application.

Reference numerals illustrate: 1. a box base; 11. a load-bearing frame platform; 12. a master control switch; 13 a box base;

2. A functional test board assembly; 21. the function test board, 22, front camera; 23. a rear camera;

3. a locating plate assembly; 31. a base; 32. a probe; 33. an upper seat;

4. A compressing mechanism; 41. a first bracket; 42. a quick clamp; 43. a switch; 44. a lifting assembly; 45. a compaction block; 46. an audio loop fixing device; 47. a horn;

5. A scanning die assembly; 51. a scan plate support block; 52. a second bracket; 53. a scanning module;

6. An automatic function tester; 61. g3 automatic tester; 62. a PC data line; 63. an adapter; 64. a TYPE C data line; 65. ox horn winding displacement; 66. a double-headed earphone connecting wire; 67. a terminal wire;

7. a display screen assembly; 71. a display screen; 72. FPC flat cable;

8. TP test module assembly; 81. TP probe pen; 82. a third bracket;

9. an RGB information acquisition module assembly; 91. RGB module, 92, fourth support;

200. And the PCB to be tested.

Detailed Description

The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment of the application discloses a PCB automatic function testing tool, which comprises a box seat 1, wherein the box seat 1 is provided with a box body, and the box body is provided with a box cover; a functional test board assembly 2 disposed on the case base 1; the positioning plate assembly 3 is detachably connected to the functional test plate assembly 2, and a PCB200 to be tested is placed above the positioning plate assembly; the compressing mechanism 4 moves vertically above the locating plate assembly 3 through the lifting assembly 44 and compresses the PCB200 to be tested on the locating plate assembly 3; the automatic function tester 6 is arranged at the bottom of the box seat 1, is connected with the function test board assembly 2 and transmits signals; the display screen assembly 7 is arranged on one side of the box seat 1, and an RGB information acquisition module assembly 9 and a TP test module assembly 8 are arranged above the display screen assembly 7; the PCB200 to be tested is arranged on the positioning plate assembly 3, the PCB200 to be tested is compressed by the compressing mechanism 4, and the automatic function tester 6 and the function test plate assembly 2 are matched with each other to perform full-automatic test on the PCB200 to be tested. The compressing mechanism 4 and the locating plate assembly 3 can rapidly, simply and conveniently realize compressing and limiting operation of the PCB200 to be tested; detecting whether the color of the display screen 71, etc. is normal or not by using the RGB information acquisition module assembly 9; the TP test module assembly 8 detects the touch sensitivity of the display screen 71 TP; the automatic function tester 6 and the function test board assembly 2 are matched with each other, so that each function test of the PCB can be fully automatically performed, equipment hardware does not need to be replaced, an operator does not need to increase or edit a test program, equipment transformation cost and labor cost are saved, and the tool with strong universality, high test efficiency, quick and convenient use and good safety is provided.

In a specific embodiment, the box base 1 comprises a load-bearing frame platform 11, a master control switch 12 and a box base 13.

In a specific embodiment, the functional test board assembly 2 includes a functional test board 21, a front camera 22 and a rear camera 23, and keys, a SIM card holder, a T card holder, a TYPE C holder, a earphone holder, an indicator light and a sensor are disposed on the functional test board 21, and the functional test board 21 is externally connected with a main pole-splitting antenna, a WIFI, a BT antenna, a GPS antenna and an NFC antenna, so that functions of the camera, the fingerprint, the keys, the motor, the SIM card and the T card, charging, NTC detection, current, earphone, the sensor and radio frequency of the PCB200 to be tested are tested. Specifically, the sensor includes an optical distance sensor, a gravitational acceleration sensor, a gyro sensor, and a geomagnetic sensor.

In a specific embodiment, the locating plate assembly 3 includes an upper seat 33 and a base 31, with a probe 32 disposed between the upper seat 33 and the base 31. The PCB200 to be tested is placed and limited by the positioning plate assembly 3, so that the positioning plate assembly can adapt to the PCB200 to be tested with different shapes, and meanwhile, the probes 32 are fixed between the upper seat 33 and the base 31, so that the probes 32 are prevented from deviating, and the PCB200 to be tested can be accurately contacted with the probes 32 in the positioning plate assembly 3; the two ends of the probe 32 are elastic, the pressing mechanism 4 presses and contacts the elastic part of the probe 32 extending out of the lower part of the positioning plate assembly 3 with the functional test plate 21, and presses and contacts the elastic part of the probe 32 extending out of the upper part of the positioning plate assembly 3 with the PCB200 to be tested, so that the condition that the probe 32 is shorted or broken in the process of test operation is avoided, the safety is good, the probe 32 is not required to be welded by the functional test plate 21, and copper exposure is only required to be performed on the corresponding test point on the plate. Specifically, the base 31 is provided with a positioning pin, and the positioning pin is matched with a positioning hole corresponding to the functional test board 21, and fixes the positioning board assembly 3 on the functional test board 21 through a screw. Specifically, the upper seat 33 is spring-loaded thereunder to have elasticity.

In a specific embodiment, the pressing mechanism 4 comprises a first bracket 41 connected with the box seat 1, a lifting assembly 44 is arranged on the first bracket 41, a pressing block 45 is arranged on the lifting assembly 44, and a pressing strip on the pressing block 45 is used for pressing the PCB200 to be tested. The lifting assembly 44 is utilized to enable the pressing mechanism 4 to move along the vertical direction, so that the pressing mechanism 4 is convenient to adjust according to the height of the PCB200 to be tested, the PCB200 to be tested is pressed on the locating plate assembly 3, the PCB200 to be tested is enabled to be in effective contact with the probes 32 in the locating plate assembly 3, and therefore accuracy of test results is guaranteed. Specifically, the pressing block 45 is provided with an audio circuit fixing device 46 for fixing a horn 47, and the horn 47 is connected with the functional test board 21 in a line. Specifically, the first bracket 41 and the pressing block 45 are provided with a quick clamp 42, the quick clamp 42 is pressed down against the PCB200 to be tested during testing, and contacts the switch 43 to start testing, and the lifting assembly 44 separates the pressing bar from the PCB by spring tension when testing is completed.

In a specific embodiment, the compression mechanism 4 is provided with a scanning module assembly 5 and an audio circuit assembly, and the scanning module assembly 5 and the audio circuit assembly are arranged in parallel with the PCB200 to be tested, the functional test board assembly 2 and the positioning board assembly 3. The scanning module 5 is used for scanning the two-dimensional code on the PCB200 to be tested, collecting the related content of the PCB information warehouse-in reflecting board; the audio loop component tests the audio function of the PCB200 under test by self-testing the speaker 47 and microphone against each other. Specifically, the scanning module 5 includes a second bracket 52, a scanning plate supporting block 51 and a scanning module 53 are disposed on the second bracket 52, and the scanning module 53 is provided with a scanning plate.

In a specific embodiment, the automatic function tester 6 is a G3 automatic tester 61. Specifically, the G3 automatic tester 61 is powered by the power cord of the adapter 63, and is connected to and transmits signals to the functional test board assembly 2 through the earphone cord 66, the header cord 65, and the TYPE C data cord 64, and communicates with the PC connection through the PC data cord 62. The G3 automatic tester 61 is used to cooperate with the function test board 21 and operate through the G3 test software interface in the PC end, so that each function of the PCB200 to be tested is tested, the equipment hardware is not required to be replaced, an operator is not required to add or edit a test program, the tool is simpler and more convenient to use, the labor cost is saved, the test result can be displayed quickly and intuitively, the test efficiency is improved, and the test result is obtained quickly. Specifically, the optical distance sensor, the gravitational acceleration sensor, the gyroscope sensor, the geomagnetic sensor, the horn 47, the earphone, the charging, the current and the GPIO signal detected by the NTC on the function test board 21 are transmitted to the G3 automatic tester 61 through the double-head earphone connecting line 66 and the ox horn flat cable 65. Specifically, the functional test board 21 is connected to one end of the wire of the terminal wire 67, and the other end is connected to the G3 automatic tester 61 via a terminal, so that power is supplied to the functional test board 21.

In a specific embodiment, the display screen assembly 7 includes a display screen 71 and an FPC cable 72, and the FPC cable 72 is connected with the functional test board assembly 2 to supply power to the display screen 71 and provide relevant data, so as to test the relevant functions of the display screen 71 of the PCB200 to be tested.

In a specific embodiment, the TP test module assembly 8 includes a TP probe 81, a third bracket 82 fixed on the inclined plane of the base 13 of the box, and is connected with the automatic function tester 6 by a wire, the third bracket 82 makes the TP probe 81 suspended above the display screen 71, and reads the TP sensing position coordinates actually triggered by the magnet sensing, determines the working state of the module, and tests the TP touch sensitivity.

In a specific embodiment, the RGB information collecting module assembly 9 includes a fourth bracket 92 fixed on the inclined surface of the base 13 of the box base, and an RGB module 91 is disposed on the fourth bracket 92.

While the application has been described with reference to specific embodiments, the scope of the application is not limited thereto, and any changes or substitutions can be easily made by those skilled in the art within the scope of the application disclosed herein, and are intended to be covered by the scope of the application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. The word 'comprising' does not exclude the presence of elements or steps not listed in a claim. The word 'a' or 'an' preceding an element does not exclude the presence of a plurality of such elements. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims (9)

1. A PCB automated functional test tool, comprising:

a box base (1);

the function test board assembly (2) is arranged on the box seat (1);

The positioning plate assembly (3) is detachably connected to the functional test plate assembly (2), and a PCB to be tested is placed above the positioning plate assembly;

The compressing mechanism (4) moves vertically above the locating plate assembly (3) through the lifting assembly and compresses the PCB to be tested on the locating plate assembly (3);

The automatic function tester (6) is arranged at the bottom of the box seat (1), is connected with the function test board assembly (2) and transmits signals;

The display screen assembly (7) is arranged on one side of the box seat (1), and an RGB information acquisition module assembly (9) and a TP test module assembly (8) are arranged above the display screen assembly (7);

The PCB to be tested is arranged on the positioning plate assembly (3), the PCB to be tested is compressed by the compressing mechanism (4), and the automatic function tester (6) and the function testing plate assembly (2) are matched with each other to perform full-automatic testing on the PCB to be tested.

2. A PCB automated functional testing tool according to claim 1, wherein: the function test board assembly (2) comprises a function test board, a front camera and a rear camera, wherein keys, a SIM card seat, a T card seat, a TYPE C seat, a earphone seat, an indicator light and a sensor are arranged on the function test board, and the function test board is externally connected with a main pole-dividing antenna, a WIFI, a BT antenna, a GPS antenna and an NFC antenna.

3. A PCB automated functional testing tool according to claim 1, wherein: the locating plate assembly (3) comprises an upper seat and a base, and a probe is arranged between the upper seat and the base.

4. A PCB automated functional testing tool according to claim 1, wherein: the compressing mechanism (4) comprises a first support connected with the box base (1), the first support is provided with a lifting assembly, the lifting assembly is provided with a compressing block, and a pressing bar on the compressing block is used for compressing the PCB to be tested.

5. A PCB automated functional testing tool according to claim 1, wherein: the compressing mechanism (4) is provided with a scanning die assembly (5) and an audio circuit assembly, and the scanning die assembly (5), the audio circuit assembly, the PCB to be tested, the functional test board assembly (2) and the positioning board assembly (3) are arranged in parallel.

6. A PCB automated functional testing tool according to claim 1, wherein: the automatic function tester (6) is a G3 automatic tester.

7. The automated functional PCB testing tool of claim 6, wherein: the adapter power line for the G3 automatic tester supplies power, is connected with the functional test board assembly (2) through a double-head earphone connecting wire, a ox horn flat cable and a TYPE C data line, transmits signals, and is connected with a PC through a PC data line for communication.

8. A PCB automated functional testing tool according to claim 1, wherein: the display screen assembly (7) comprises a display screen and an FPC (flexible printed circuit) flat cable, and the FPC flat cable is connected with the function test board assembly (2).

9. A PCB automated functional testing tool according to claim 1, wherein: the TP test module assembly (8) comprises a TP probe, a third bracket fixed on the inclined plane of the base of the box seat (1) and is connected with the automatic function tester (6) in a wire way.