CN218213284U

CN218213284U - PCB function test device

Info

Publication number: CN218213284U
Application number: CN202220601206.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Xiaxin Intelligent Iot Technology Co ltd
Current assignee: Xiamen Xiaxin Intelligent Iot Technology Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2023-01-03
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a PCB board functional test device, including the case seat, the top of case seat is provided with needle board assembly and compresses tightly the subassembly through the bearing frame platform, the top of needle board assembly is provided with the locating plate subassembly, the bottom of bearing frame platform is provided with the test panel subassembly, it is connected with earphone test assembly to survey test panel subassembly one side, the bottom of bearing frame platform is provided with the display screen subassembly, the bottom of display screen subassembly is provided with camera information acquisition module, it is provided with detachable function board subassembly to survey test panel subassembly one side, one side of function board subassembly is provided with the scanning module subassembly, the utility model relates to an automatic test technical field of PCB board. The PCB function testing device can be used for rapidly detecting the PCB, so that the situation that the conductive probe is short-circuited or broken in the testing operation process is avoided, and the safety is good.

Description

PCB function test device

Technical Field

The utility model relates to a PCB board automatic test technical field specifically is a PCB board functional test device.

Background

The PCB is produced and processed to detect whether its data identification and some basic functions are normal. The defects possibly existing on the PCB can be found as soon as possible, so that the product has defects. The welding of welding hole is reserved to PCB to current traditional scheme, and the power supply of working a telephone switchboard again, the rethread test instrument carries out the reading and detects, however along with the continuous development progress of technique, circuit board integrated level is more and more high, and the overall dimension of plate body is littleer and more, and the solder joint is littleer and more, and the interval of adjacent solder joint is also littleer and more, and consequently the volume and the interval of the conductive probe of test usefulness are also littleer and more. The volume of the conductive probe is small, and the conductive probe is easy to be short-circuited or broken off by manual operation, so that the test is influenced. The functions implemented inside the integrated circuit board are different, and the design of the test scheme is also different. In a test process, each worker is responsible for a test machine, an integrated circuit board is connected with a group of accompanying tools (functional electronic device combinations controlled by the integrated circuit board), the integrated circuit board sends control instructions to the accompanying tools in sequence, and whether functions on the integrated circuit board are normal or not is judged by checking whether the integrated circuit board receives correct feedback information and whether the accompanying tools run normally or not. The integrated circuit board to be tested is required to be connected with the accompanying testing tool in a one-to-one correspondence mode again in each test, and different function control circuits are tested one by one. When mass production detection is carried out, a large amount of manpower and material resources are needed, so that the testing efficiency and the safety are influenced, and the cost is increased.

Therefore, the device for automatically testing the good product PCB cannot be provided in the prior art.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problem, the utility model provides a PCB board functional test device.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the top of the box seat is provided with a bearing frame platform, the top of the bearing frame platform is provided with a pin penetrating plate assembly, the top of the pin penetrating plate assembly is provided with a detachable positioning plate assembly, the top of the positioning plate assembly is provided with a PCB to be tested, the top of the bearing frame platform is provided with a pressing assembly for pressing the PCB to be tested, the bottom of the bearing frame platform is provided with a test plate assembly for detecting the PCB to be tested, one side of the test plate assembly is connected with an earphone test assembly, a display screen assembly is arranged below the test plate assembly, the bottom of the display screen assembly is provided with a camera information acquisition module assembly, one side of the test plate assembly is provided with a detachable function plate assembly, the bottom of the test plate assembly is provided with a scanning module assembly, and the display screen assembly and the camera information acquisition module assembly are connected with the test plate assembly through connecting wires;

survey test panel subassembly including surveying the test panel, the top of surveying the test panel is provided with conductive probe, the top of surveying the test panel still is provided with FPC winding displacement briquetting.

Preferably, wear the faller subassembly including wearing the faller, the bottom both sides of wearing the faller all are provided with copper post and guide pin bushing, wear the surface of faller and set up the through-hole with the guide pin bushing adaptation, the bottom one side fixedly connected with radio frequency probe of wearing the faller, the top of radio frequency probe extends to the top of wearing the faller, the surface of wearing the faller is provided with the perforation that is used for electrically conductive probe to pass.

Preferably, the locating plate assembly comprises a locating plate, first guide rods are arranged on two sides of the bottom of the locating plate, the bottom end of each first guide rod is arranged in each guide sleeve, a spring is further arranged between the bottom end of each first guide rod and each guide sleeve, a limiting screw is further arranged at the top of the locating plate, the bottom end of each limiting screw penetrates through the locating plate and is in threaded connection with the needle threading plate, the limiting screw limits the moving distance of the locating plate, and scanning holes used for scanning the PCB information to be tested through the scanning module assemblies are formed in the surfaces of the locating plate and the needle threading plate.

Preferably, the earphone testing component comprises an earphone line, a microphone is arranged on the earphone line, an earphone loudspeaker is arranged at one end of the earphone line, the earphone loudspeaker is arranged on one side of the microphone, and the earphone testing component is fixed on one side of the inner wall of the box base.

Preferably, the display screen assembly comprises a support, the top four corners of the support are fixedly connected with connecting supports, the connecting supports are fixedly connected with the bottom of the bearing frame platform, a display screen is arranged on one side of the support, and an FPC (flexible printed circuit) flat cable is arranged on one side of the display screen.

Preferably, camera information acquisition module includes camera fixed bolster, one side of camera fixed bolster is provided with preceding camera and back camera, one side of camera fixed bolster still is provided with the fixing base that is used for fixed preceding camera and back camera, the bottom that camera fixed bolster is located the display screen and the top of camera fixed bolster is provided with the specular reflection paper that is used for reflecting the display screen information, preceding camera and back camera aim at specular reflection paper.

Preferably, the function board assembly comprises a function support, the function support is connected with the test board, a fixing support is arranged on one side of the function support, and the fixing support is detachably connected with the test board.

Preferably, the scanning module assembly comprises a scanning bracket fixedly connected with the testing board, a scanning board is arranged on one side of the scanning bracket, and a scanning module is arranged on one side of the scanning board.

Preferably, the compressing assembly comprises a fixed support, the fixed support is fixed on one side of the top of the bearing frame platform, one side of the fixed support is fixedly connected with a quick clamp, the bottom of the quick clamp is provided with a compressing block with an adjustable position, one side of the compressing block is slidably connected with a second guide rod, the bottom of the second guide rod is fixed on the top of the bearing frame platform, a reset spring is arranged between the bottom of the compressing block and the top of the bearing frame platform, one side of the top of the compressing block is fixedly connected with a loudspeaker through a loudspeaker fixed block, the loudspeaker is connected with a test board through a wire, one side of the fixed support is provided with a contact switch below the compressing block, and the bottom of the compressing block is provided with a pressing strip.

Contrast prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, set up the hold-down mechanism for compressing tightly the PCB board, can realize the spacing operation of compressing tightly of PCB fast simply and conveniently, test functions such as the detection screen of PCB board, camera, audio frequency, radio frequency automatically; the whole mechanism is flexibly adjusted, and the universality is strong. Meanwhile, the screen and the camera are tested by themselves, the loudspeaker and the microphone are tested by themselves, and the earphone receiver and the microphone are tested by themselves, so that the detection accuracy is improved; the conductive probe of the test board assembly is positioned inside the positioning board when not in use and only extends out of the hole corresponding to the positioning board when in use, so that the situation that the conductive probe is short-circuited or broken in the test operation process is avoided, the safety is good, and the PCB with small volume can be well adapted.

Drawings

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

fig. 2 is a schematic structural view of the compressing assembly of the present invention;

FIG. 3 is a schematic structural view of the needle threading assembly and the positioning plate assembly of the present invention;

fig. 4 is a schematic structural view of the display screen assembly and the camera information acquisition module assembly of the present invention;

fig. 5 is a schematic structural view of the testing board assembly and the earphone testing assembly of the present invention;

fig. 6 is a schematic structural view of the scan module assembly and the function board assembly of the present invention.

In the figure: the test board comprises a 1-box seat, a 2-needle plate penetrating assembly, a 21-needle plate penetrating assembly, a 22-copper column, a 23-guide sleeve, a 24-radio frequency probe, a 3-positioning plate assembly, a 31-first guide rod, a 32-positioning plate, a 33-limiting screw, a 4-pressing assembly, a 41-fixed support, a 42-quick clamp, a 43-reset spring, a 44-contact switch, a 45-second guide rod, a 46-pressing strip, a 47-pressing block, a 48-loudspeaker fixing block, a 49-loudspeaker, a 5-testing plate assembly, a 51-testing plate, a 52-conductive probe, a 53-FPC (flexible printed circuit) line pressing block, a 6-earphone testing assembly, a 61-microphone, a 62-earphone loudspeaker, a 63-earphone line, a 7-display screen assembly, a 71-connecting support, a 72-FPC (flexible printed circuit) line), a 73-support, a 74-display screen, an 8-scanning module assembly, an 81-scanning support, a 82-scanning module, a 83-scanning plate, a 9-camera information acquisition module assembly, a 91-camera fixed support, a 92-fixed seat, a 93-front camera, a 94-rear camera support, a 10-fixed functional support, a PCB (printed circuit board) and a PCB (printed circuit board) to be tested platform) to be tested.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 a technical solution: a PCB function testing device comprises a box seat 1, a bearing frame platform 11 is arranged at the top of the box seat 1, a needle plate penetrating assembly 2 is arranged at the top of the bearing frame platform 11, a detachable positioning plate assembly 3 is arranged at the top of the needle plate penetrating assembly 2, a PCB to be tested 12 is arranged at the top of the positioning plate assembly 3, a pressing assembly 4 is fixedly connected to the top of the bearing frame platform 11 and positioned on one side of the needle plate penetrating assembly 2, the pressing assembly 4 is used for pressing the PCB to be tested 12, a testing plate assembly 5 is arranged at the bottom of the bearing frame platform 11 and positioned under the needle plate penetrating assembly 2, an earphone testing assembly 6 is arranged on one side of the testing plate assembly 5, a connecting end of the earphone testing assembly 6 is electrically connected with the testing plate assembly 5, a display screen assembly 7 is arranged at the bottom of the bearing frame platform 11 and positioned under the testing plate assembly 5, a camera information collecting module 9 is arranged at the bottom of the display screen assembly 7, a detachable function plate assembly 10 is arranged on one side of the testing plate assembly 5, a scanning module 8 is arranged at the bottom of the testing plate assembly 5, the display screen assembly 7 and the camera information collecting module 9 are connected with the testing plate assembly 5 through connecting wires, the testing plate assembly to be tested, the testing plate assembly 12, the positioning plate assembly 3 and the positioning plate assembly 3 are arranged in parallel;

the test board assembly 5 comprises a test board 51, a conductive probe 52 is arranged at the top of the test board 51, an FPC (flexible printed circuit) flat cable pressing block 53 is further arranged at the top of the test board 51, the test board 51 is connected with a computer through a connecting wire, and detection information is fed back into the computer for judgment.

The needle threading plate assembly 2 comprises a needle threading plate 21, both sides of the bottom of the needle threading plate 21 are provided with a copper column 22 and a guide sleeve 23, the surface of the needle threading plate 21 is provided with a through hole matched with the guide sleeve 23, one side of the bottom of the needle threading plate 21 is fixedly connected with a radio frequency probe 24, the top end of the radio frequency probe 24 extends to the top of the needle threading plate 21, and the surface of the needle threading plate 21 is provided with a through hole for the conductive probe 52 to pass through. Locating plate subassembly 3 includes locating plate 32, the bottom both sides of locating plate 32 are provided with first guide bar 31, the bottom setting of first guide bar 31 is in guide pin bushing 23, and still be provided with the spring between the bottom of first guide bar 31 and the guide pin bushing 23, the top of locating plate 32 still is provided with stop screw 33, stop screw 33's bottom passes locating plate 32 and with needle board 21 threaded connection, stop screw 33 limits locating plate 32's displacement, after connecting through stop screw 33, because the effect of spring, there is the clearance between locating plate 32 and the needle board 21, this clearance can disappear when compressing tightly subassembly 4 pushes down the PCB board 12 of awaiting measuring, the spring is compressed this moment, the bottom of locating plate 32 contacts with the top of needle board 21. The surfaces of the positioning plate 32 and the needle threading plate 21 are provided with scanning holes for the scanning module 8 to scan the information of the PCB 12 to be tested, the scanning module 8 can scan the two-dimensional code label on the surface of the PCB 12 to be tested through the scanning holes, and the information of the PCB 12 to be tested is collected and put in storage to reflect the relevant content of the plate.

Earphone test component 6 includes earphone cord 63, is provided with microphone 61 on the earphone cord 63, and the one end of earphone cord 63 is provided with earphone loudspeaker 62, and earphone loudspeaker 62 sets up in one side of microphone 61, and earphone test component 6 is fixed in 1 inner wall one side of case seat, utilizes earphone loudspeaker 62 on the earphone cord 63 to aim at microphone 61 and makes a sound and survey each other, detects whether the work of the 12 earphone seats of the PCB board that awaits measuring.

The display screen assembly 7 comprises a support 73, a connecting support 71 is fixedly connected at four corners of the top of the support 73, the connecting support 71 is fixed at the bottom of the bearing frame platform 11, a display screen 74 is arranged on one side of the support 73, an FPC (flexible printed circuit) cable 72 is arranged on one side of the display screen 74, the FPC cable 72 is connected with the testing board 51, the camera information acquisition module assembly 9 comprises a camera fixing support 91, a front camera 93 and a rear camera 94 are arranged on one side of the camera fixing support 91, a fixing seat 92 used for fixing the front camera 93 and the rear camera 94 is further arranged on one side of the camera fixing support 91, the camera fixing support 91 is positioned at the bottom of the display screen 74, mirror reflection paper used for reflecting information of the display screen 74 is arranged at the top of the camera fixing support 91, the front camera 93 and the rear camera 94 are aligned with the mirror reflection paper, the front camera 93 and the rear camera 94 are connected with the testing board 51 through cables, the display screen 74 information emitted by the mirror reflection paper is shot through the front camera 93 and the rear camera 94, and mutual self-testing of the screen and the camera is realized.

Function board subassembly 10 includes function support 102, function support 102 is connected with survey test panel 51, one side of function support 102 is provided with fixed bolster 101, fixed bolster 101 can dismantle with survey test panel 51 and be connected, scan module subassembly 8 includes with survey test panel 51 fixed connection's scan support 81, one side of scan support 81 is provided with scan plate 83, scan plate 83 one side is provided with scan module 82, scan module 82 scans the two-dimensional code on the PCB board 12 of awaiting measuring, gather PCB information warehouse entry reflection board relevant content.

The pressing assembly 4 comprises a fixed support 41, the fixed support 41 is fixed on one side of the top of the bearing frame platform 11, one side of the fixed support 41 is fixedly connected with a quick clamp 42, the bottom end of the quick clamp 42 is provided with a pressing block 47 with an adjustable position, so that the distance between the bottom of the pressing block 47 and the positioning plate assembly 3 is adjusted according to the volume of the PCB to be tested 12, one side of the pressing block 47 is slidably connected with a second guide rod 45, the bottom end of the second guide rod 45 is fixed on the top of the bearing frame platform 11, a return spring 43 is arranged between the bottom of the pressing block 47 and the top of the bearing frame platform 11, the pressing block 47 is driven by the quick clamp 42 to move along the second guide rod 45, the return spring 43 is compressed, one side of the top of the pressing block 47 is fixedly connected with a loudspeaker 49 through a loudspeaker fixing block 48, the loudspeaker 49 is connected with a testing plate 51 through a lead, when the bottom of the positioning plate 32 is contacted with the top of the through a sound outlet hole on the pressing block 47, the PCB to be tested 12 is aligned with a microphone hole, mutual self-testing of the loudspeaker and microphone functions are realized, a contact switch 44 is arranged on one side of the pressing block 41, the pressing block is provided with a pressing bar 46, the pressing block 46, and a power-on which is provided with a test strip 46 for testing.

During detection, the following steps are adopted:

step one, according to a PCB to be tested to be detected, installing a corresponding test board assembly on a test board of a test device, selecting a corresponding needle penetrating plate assembly and a corresponding locating plate assembly, fixing a radio frequency probe on a needle penetrating plate, penetrating and fixing a conductive probe on the test board through the needle penetrating plate, placing a first guide rod and a spring at the bottom of the locating plate into a guide sleeve of the locating plate, and locking a limit screw;

step two, adjusting the height of the pressing mechanism according to the volume of the PCB to be tested;

operating the pressing assembly, pressing the PCB to be tested by the pressing bar, contacting the bottom contact of the PCB with the conductive probe, and starting full-automatic testing;

step four, the testing device displays the testing data on a screen, and distinguishes the PCB according to the result obtained by the testing data;

taking out the PCB which is qualified in the test, and flowing to the next process;

and step six, marking the unqualified PCB by using erasable pigment, and flowing the PCB into a post-treatment process through a defective material channel.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCB board functional test device, includes case seat (1), its characterized in that: a bearing frame platform (11) is arranged at the top of the box seat (1), a pin plate penetrating assembly (2) is arranged at the top of the bearing frame platform (11), a detachable positioning plate assembly (3) is arranged at the top of the pin plate penetrating assembly (2), a PCB (12) to be tested is arranged at the top of the positioning plate assembly (3), a pressing assembly (4) used for pressing the PCB (12) to be tested is arranged at the top of the bearing frame platform (11), a testing plate assembly (5) used for detecting the PCB (12) to be tested is arranged at the bottom of the bearing frame platform (11), an earphone testing assembly (6) is connected to one side of the testing plate assembly (5), a display screen assembly (7) is arranged below the testing plate assembly (5), a camera information collecting module assembly (9) is arranged at the bottom of the display screen assembly (7), a detachable function plate assembly (10) is arranged at one side of the testing plate assembly (5), a scanning module (8) is arranged at the bottom of the testing plate assembly (5), and the display screen assembly (7) and the camera information collecting module (9) are connected with the testing plate assembly (5) through connecting wires;

survey test panel subassembly (5) including surveying test panel (51), the top of surveying test panel (51) is provided with conductive probe (52), the top of surveying test panel (51) still is provided with FPC winding displacement briquetting (53).

2. The PCB board function testing device of claim 1, wherein: wear faller subassembly (2) including wearing faller (21), the bottom of wearing faller (21) is provided with copper post (22) and guide pin bushing (23), the through-hole with guide pin bushing (23) adaptation is seted up on the surface of wearing faller (21), the bottom one side fixedly connected with radio frequency probe (24) of wearing faller (21), the top of radio frequency probe (24) extends to the top of wearing faller (21), the surface of wearing faller (21) is provided with the perforation that is used for conductive probe (52) to pass.

3. The PCB board function testing device of claim 2, wherein: locating plate subassembly (3) include locating plate (32), the bottom both sides of locating plate (32) are provided with first guide bar (31), the bottom setting of first guide bar (31) is in guide pin bushing (23), and still is provided with the spring between the bottom of first guide bar (31) and guide pin bushing (23), the top of locating plate (32) still is provided with stop screw (33), the bottom of stop screw (33) pass locating plate (32) and with wear needle board (21) threaded connection.

4. The PCB board function testing device of claim 1, wherein: earphone test component (6) include earphone cord (63), be provided with microphone (61) on earphone cord (63), the one end of earphone cord (63) is provided with earphone speaker (62), earphone speaker (62) set up the one side at microphone (61).

5. The PCB board function testing device of claim 1, wherein: the display screen assembly (7) comprises a support (73), wherein the top four corners of the support (73) are fixedly connected with a connecting support (71), a display screen (74) is arranged on one side of the support (73), and an FPC (flexible printed circuit) cable (72) is arranged on one side of the display screen (74).

6. The PCB board function testing device of claim 5, wherein: camera information acquisition module (9) include camera fixed bolster (91), one side of camera fixed bolster (91) is provided with preceding camera (93) and back camera (94), one side of camera fixed bolster (91) still is provided with fixing base (92) that are used for fixed preceding camera (93) and back camera (94), the top that camera fixed bolster (91) are located the bottom of display screen (74) and camera fixed bolster (91) is provided with the specular reflection paper that is used for reflecting display screen (74) information, preceding camera (93) and back camera (94) aim at specular reflection paper.

7. The PCB board function testing device of claim 1, wherein: the function board assembly (10) comprises a function support (102), the function support (102) is connected with the test board (51), one side of the function support (102) is provided with a fixed support (101), and the fixed support (101) is detachably connected with the test board (51).

8. The PCB board function testing device of claim 7, wherein: scanning module subassembly (8) including with survey test panel (51) fixed connection's scanning support (81), one side of scanning support (81) is provided with scanning board (83), scanning board (83) one side is provided with scanning module (82).

9. The PCB board function testing device of claim 1, wherein: compress tightly subassembly (4) including fixing support (41), one side fixedly connected with of fixing support (41) presss from both sides (42) fast, the bottom that presss from both sides (42) fast is provided with position adjustable compact heap (47), one side sliding connection of compact heap (47) has second guide bar (45), the bottom mounting of second guide bar (45) is at the top of bearing frame platform (11), be provided with reset spring (43) between the bottom of compact heap (47) and the top of bearing frame platform (11), top one side of compact heap (47) is through loudspeaker fixed block (48) fixedly connected with loudspeaker (49), loudspeaker (49) are connected with survey test panel (51) through the wire, one side of fixing support (41) just is located compact heap (47) below and is provided with contact switch (44), the bottom of compact heap (47) is provided with layering (46).