TWI486608B - Test device for printed circuit board - Google Patents

Test device for printed circuit board Download PDF

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Publication number
TWI486608B
TWI486608B TW102114321A TW102114321A TWI486608B TW I486608 B TWI486608 B TW I486608B TW 102114321 A TW102114321 A TW 102114321A TW 102114321 A TW102114321 A TW 102114321A TW I486608 B TWI486608 B TW I486608B
Authority
TW
Taiwan
Prior art keywords
pcb board
pushing
fixture
test
recess
Prior art date
Application number
TW102114321A
Other languages
Chinese (zh)
Other versions
TW201441636A (en
Inventor
zhi-jin Ma
Bing Yu
Jian-Ping Jin
Original Assignee
Fih Hong Kong Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN201310131344.1A priority Critical patent/CN104111415B/en
Application filed by Fih Hong Kong Ltd filed Critical Fih Hong Kong Ltd
Publication of TW201441636A publication Critical patent/TW201441636A/en
Application granted granted Critical
Publication of TWI486608B publication Critical patent/TWI486608B/en

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Description

PCB board tester
The present invention relates to a PCB board testing apparatus, and more particularly to a PCB board testing apparatus for automatically testing the electrical performance of PCB boards of different sizes.
PCB boards are widely used in electronic products. As electronic products tend to become more versatile and complex, it is necessary to manufacture PCB boards of different sizes. Conventional technology, a PCB board test device can only test the electrical performance of a fixed-size PCB board, so that the use rate of the PCB board test device is reduced.
In view of this, it is necessary to provide a PCB board test apparatus that automatically tests the electrical performance of PCB boards of different sizes.
A PCB board testing device includes a screw mechanism, a conveying mechanism, a pushing mechanism, and a fixture, the fixture includes a lower fixture and an upper fixture, and the test component is disposed in the lower fixture. An upper test component is disposed in the upper fixture, the screw mechanism includes an inductive sheet metal; the conveying mechanism includes a first conveying plate, a second conveying plate, a proximity sensor, two high push rods, and two conveyor belts. The two conveyor belts are disposed at two ends of the two conveying plates, and each of the high push rods is fixedly connected to two ends of the first conveying plate, and the proximity sensor penetrates through one end of the first conveying plate when the induction sheet metal is horizontally When moving, the proximity sensor detects the position of the induction sheet metal and drives the first conveying plate and the conveyor belt on the side of the first conveying plate to move in the same horizontal direction, thereby changing the distance between the two conveyor belts; The board is placed on the two conveyor belts, and the pushing mechanism pushes the lower fixture to move in a vertical direction until the PCB board is approached. When the conveyor belt transfers the PCB board to the lower test component of the lower fixture, the second high push rod pushes the first One The feeding plate and the conveyor belt are restored to the initial position, so that the PCB board is dropped onto the lower test component; the pushing component continues to push the lower jig to move in the vertical direction until the lower jig is in close contact with the upper jig, at this time The test component and the upper test component are tested for electrical performance of the PCB.
Compared to the prior art, the PCB board test apparatus of the present invention employs a screw mechanism to adjust the distance between the two conveyor belts of the transport mechanism to transport PCB boards of different sizes. The pushing mechanism pushes the lower jig to move in a vertical direction until the PCB board is approached, and when the conveyor belt transfers the PCB board to the lower test component, the second high push rod pushes the first conveying board and the conveyor belt to return to the initial position, so that the PCB The plate is dropped onto the lower test component; the pusher assembly continues to push the lower jig to move in a vertical direction until the lower jig is in close contact with the upper jig, and the lower test component and the upper test component are electrically connected to the PCB Performance is tested.
100. . . PCB board tester
10. . . Screw mechanism
30. . . Transport mechanism
50. . . Promotion agency
70. . . Fixture
11. . . Screw
13. . . Silk mother
15. . . Sliding seat
17. . . Support frame
18. . . transmission shaft
19. . . Belt
151. . . Induction sheet metal
171. . . First support
173. . . Second support
175. . . Third support
31. . . Motor
33. . . Rotary axis
35. . . Transfer component
37. . . High putter
38. . . Low putter
351. . . First transfer board
353. . . Second transfer board
355. . . Wheel axle assembly
357. . . Proximity sensor
359. . . Conveyor belt
3511. . . First bracket
3531. . . Second bracket
3551. . . Long press axle
3553. . . Idler shaft
3555. . . Pulley
371. . . Socket
373. . . flexible tube
375. . . cylinder
51. . . Cylinder group
53. . . Connector
55. . . Pusher
551. . . Trapezoidal bracket
553. . . First groove
555. . . Cavity chamber
71. . . Lower fixture
73. . . Upper fixture
75. . . Fixed plate
711. . . Second groove
712. . . End wall
713. . . Rotating shaft
715. . . guide
717. . . Baffle
718. . . Side wall
731. . . Third groove
1 is an exploded view of a PCB board testing device in accordance with a preferred embodiment of the present invention;
Figure 2 is an exploded view of another angle of the PCB board test apparatus shown in Figure 1;
3 is an enlarged view of a screw mechanism of the PCB board testing device shown in FIG. 1;
Figure 4 is an enlarged view of the transport mechanism of the PCB board test apparatus shown in Figure 1;
Figure 5 is an enlarged view of the pushing mechanism of the PCB board testing device shown in Figure 1;
6 is a schematic view showing the assembly of an unassembled jig of a PCB board testing device according to a preferred embodiment of the present invention;
7 is a schematic view showing the assembly of the unassembled jig of the PCB board testing device shown in FIG. 6 at another angle;
8 is a schematic view showing the assembly of a PCB board testing device according to a preferred embodiment of the present invention;
9 is a view showing a state of use of a PCB board testing device according to a preferred embodiment of the present invention;
Fig. 10 is a view showing a state of use of another angle of the PCB board test apparatus shown in Fig. 9.
Referring to FIG. 1 and FIG. 2 together, a PCB board testing apparatus 100 according to a preferred embodiment of the present invention includes a lead screw mechanism 10, a transport mechanism 30, a pushing mechanism 50, and a jig 70. The lead screw mechanism 10 is used to adjust the distance between the two conveyor belts 359 of the transport mechanism 30 (see Fig. 6). The pushing mechanism 50 can push the jig 70 to move in the Y-axis direction (refer to FIG. 8). The PCB board test apparatus 100 can test the electrical performance of PCB boards of different sizes (not shown).
Referring to FIG. 3 at the same time, the lead screw mechanism 10 includes a second lead screw 11 , a two-threaded female 13 , two sliding seats 15 , two supporting frames 17 , two transmission shafts 18 , and a belt 19 . The two support frames 17 are respectively disposed on two sides of the two lead screws 11 . Each of the cores 13 is movably sleeved on the corresponding lead screw 11. Each of the sliding seats 15 is fixedly connected to a core 13 . An inducing sheet metal 151 is further fixed on one of the sliding seats 15 for sensing the position of the sliding seat 15.
Each support frame 17 includes a first support base 171, a second support base 173, and a third support base 175. The support bases 171 , 173 , 175 are movably sleeved on the support frame 17 , wherein the first support base 171 is located between the second support base 173 and the third support base 175 . Each of the first support seats 171 is fixedly connected to a sliding seat 15 . When the sliding seat 15 moves, the first support base 171 is moved together.
Each of the drive shafts 18 is fixedly sleeved at one end of a lead screw 11 and adjacent to the third support base 175. The belt 19 is rotatably sleeved on the two transmission shafts 18 to connect the two lead screws 11.
When the two lead screws 11 are rotated, the two wires 13 that are sleeved on the two lead screws 11 are moved in the X-axis direction, and the two sliding seats 15, the induction sheet metal 151, and the two first supporting seats 171 are driven together. Move in the X-axis direction. At the same time, the two lead screws 11 drive the two transmission shafts 18 to rotate, so that the belt 19 rotates, and the belt 19 adjusts the rotation speed of the two lead screws 11 during the rotation, so that the rotation speeds of the two lead screws 11 are uniform.
Referring to FIG. 4, the transport mechanism 30 includes a motor 31, a rotating shaft 33, a transport assembly 35, two high push rods 37, and two low push rods 38. Each of the high push rods 37 is disposed relative to a low push rod 38, and each of the high push rods 37 and each of the low push rods 38 are located at both ends of the transfer assembly 35. The rotating shaft 33 is connected to the motor 31. When the motor 31 is turned on, the motor 31 drives the rotating shaft 33 to rotate. The transfer assembly 35 is fixed to the rotating shaft 33.
The transporting member 35 includes a first transporting plate 351, a second transporting plate 353, four axle components 355, a proximity sensor 357, and the conveyor belt 359. The four axle members 355 extend through both ends of the first conveying plate 351 and the second conveying plate 353. The conveyor belts 359 are respectively sleeved and tensioned on the two axle members 355 of the first conveyor plate 351 and the two axle members 355 of the second conveyor plate 353.
The first conveying plate 351 is supported by two first brackets 3511. The two first brackets 3511 are respectively fixedly connected to a second support base 173 (refer to FIG. 6).
The second conveying plate 353 is supported by the two second brackets 3531. The second brackets 3531 are respectively fixedly connected to a third support base 175 (refer to FIG. 6).
Each axle assembly 355 includes a long roller axle 3551 and two idler axles 3553. Further, the two axle assemblies 355 on the same side as the motor 31 further include a timing pulley 3555, respectively. The second axle member 355 is fixed to the first bracket 3511 and the second bracket 3531, and the two timing pulleys 3555 are rotatably inserted through the first bracket 3511 and the second bracket 3531 on the side of the motor 31, and are fixedly sleeved on the first bracket 3511 and the second bracket 3531. Both ends of the shaft 33 are rotated. The belts 359 are respectively sleeved and tensioned on the axle member 355 of the first bracket 3511 and the axle member 355 of the second bracket 3531. Each conveyor belt 359 is in intimate contact with a timing pulley 3555. The PCB board is placed on the two conveyor belts 359, and the motor 31 is turned on. The motor 31 drives the rotating shaft 33 and the two timing pulleys 3555 to rotate, so that the two conveyor belts 359 rotate in the Z-axis direction to transport the PCB board.
The proximity sensor 357 is fixedly inserted through one end of the first bracket 3511 away from the motor 31. The proximity sensor 357 can detect the position of the induction sheet metal 151 (refer to FIG. 6). When the induction sheet metal 151 moves in the X-axis direction, the proximity sensor 357 can drive the first bracket 3511 and the second support base. The movement of the 173 in the X-axis direction causes the first conveying plate 351 and the conveying belt 359 on the side of the first conveying plate 351 to move in the X-axis direction, thereby changing the distance between the two conveying plates 35, 353 and the two conveying belts 359. Different sizes of PCB boards can be placed on the two conveyor belts 359.
The push rods 37 and 38 have the same structure, and each includes a sleeve 371, a telescopic tube 373, and a cylinder 375. The telescopic portion of the telescopic tube 373 is received in the sleeve 371, and the cylinder 375 is fixedly coupled to the sleeve 371.
The free end of the telescopic tube 373 of each high push rod 37 is fixedly connected to a first bracket 3511 (refer to FIG. 4), and the free end of the telescopic tube 373 of each low push rod 38 is fixedly connected with a second bracket 3531 (see Figure 4). When the distance between the two conveying plates 351, 353 is changed, the bellows 373 of the push rods 37, 38 are retracted into the sleeve 371 in the X-axis direction. When the two conveying plates 351, 353 need to return to the initial position, the cylinder 375 of the two push rods 37, 38 is activated, the telescopic tube 373 protrudes from the sleeve 371 in the X-axis direction, and pushes the two conveying plates 351, The 353 and the two conveyor belts 359 are moved such that the two conveying plates 351, 353 and the two conveyor belts 359 are returned to the initial position.
Referring to FIG. 5 , the pushing mechanism 50 includes a cylinder block 51 , a connecting member 53 , and a pushing member 55 . The pusher 55 is coupled to the cylinder block 51 by the connecting member 53, and the set of cylinders 51 can push the connecting member 53 and the pusher 55 to move together in the X-axis direction.
A trapezoidal bracket 551 is formed at both ends of the pushing member 55. Each of the trapezoidal brackets 551 extends outward to form a first recess 553. The pushing member 55 is further formed with a receiving cavity 555.
Referring to FIG. 1 , FIG. 2 and FIG. 8 together, the jig 70 includes a lower jig 71 , an upper jig 73 , and a fixing plate 75 . The lower jig 71 and the upper jig 73 are provided in cooperation. The fixing plate 75 is fixedly connected to the upper jig 73 for fixing the upper jig 73. The lower fixture 71 is received in the accommodating cavity 555 of the pushing member 55 (refer to FIG. 8).
The lower jig 71 is substantially a frame structure, and a second recess 711 is formed. A rotating shaft 713 is respectively mounted on the two end walls 712 of the second recess 711. One of the side walls 718 of the second recess 711 is provided with two guide rails 715. Each of the guide rails 715 is abutted against a baffle 717 for guiding the lower jig 71 to move in the Y-axis direction.
A second test element (not shown) is provided in the second recess 711 for testing the electrical performance of the PCB.
One end of each rotating shaft 713 is received in the first groove 553 of the pushing member 55, and the rotating shaft 713 is rotatable along a slope of the trapezoidal bracket 551 away from the pushing member 55 (refer to FIG. 8).
Each of the guide rails 715 is formed by two side plates perpendicular to each other, wherein one side plate is fixedly coupled to the side wall 718 of the lower jig 71, and the other side plate is coupled to and abuts against the baffle 717.
When the cylinder group 51 pushes the pushing member 55 to move in the X-axis direction, since one side plate of each of the guide rails 715 of the lower jig 71 abuts against a baffle 717, it is accommodated in the first groove 553. The rotating shaft 713 rotates along a slope of the trapezoidal bracket 551 away from the pushing member 55, and the guide rail 715 moves on the shutter 717 in the Y-axis direction, thereby moving the lower jig 71 in the Y-axis direction.
One end of the upper jig 73 defines a third recess 731, and an upper test component (not shown) is disposed in the third recess 731. The third groove 731 is matched with the second groove 711. When the lower jig 71 and the upper jig 73 are in contact, the two grooves 711 and 731 are tightly closed, so that the two grooves 711 and 731 are fixed. The test component in the test tests the electrical performance of the PCB board housed in the second recess 711.
Referring to FIG. 6 and FIG. 7 together, when the PCB board testing device 100 is assembled, first, each of the screw bars 11 runs through a wire mother 13 , and each sliding seat 15 is fixed to a wire core 13 on one of the sliding blocks 15 . Fixed setting induction sheet metal 151. The support bases 171, 173, and 175 are movably sleeved on the support frame 17. The first support base 171 is located between the second support base 173 and the third support base 175, and the first support base 171 is fixed to the sliding seat. The second support base 173 is fixedly connected to the first bracket 3511, and the third support base 175 is fixedly connected to the second bracket 3531. When the second lead screw 11 is rotated, the nut 13 drives the slide base 15, the induction sheet metal 151, and the first support base 171 to move in the X-axis direction. The proximity sensor 357 is fixedly inserted through one end of the first bracket 3511 away from the motor 31. The axle members 355 are respectively mounted on the first bracket 3511 and the second bracket 3531, and the two timing pulleys 3555 are fixedly sleeved on both ends of the rotating shaft 33. The belts 359 are respectively sleeved and tensioned on the axle member 355 of the first bracket 3511 and the axle member 355 of the second bracket 3531. Each conveyor belt 359 is in intimate contact with a timing pulley 3555. The telescopic portion of the bellows 373 is housed in the sleeve 371, and the cylinder 375 is fixedly coupled to the sleeve 371. The free end of the telescopic tube 373 of each high push rod 37 is fixedly coupled to a first bracket 3511, and the free end of the telescopic tube 373 of each low push rod 38 is fixedly coupled to a second bracket 3531. When the sensing sheet metal 151 moves in the X-axis direction, the proximity sensor 357 detects the position of the sensing sheet metal 151 and drives the first bracket 3511, the first conveying plate 351, the second supporting base 173, and a conveyor belt 359. The X-axis direction is moved, thereby changing the distance between the two conveying plates 351, 353, and the two conveying belts 359. When the distance between the two conveying plates 351, 353 is changed, the bellows 373 of the push rods 37, 38 are retracted into the sleeve 371 in the X-axis direction. The cylinder block 51 is fixedly coupled to the pusher 55 by a connecting member 53. Referring to FIG. 8 , the lower jig 71 is received in the accommodating cavity 555 of the pusher 55 . A lower test element is disposed in the second recess 711. A rotating shaft 713 is respectively mounted on the two end walls 712 of the second recess 711 of the lower jig 71. One end of each rotating shaft 713 is received in the first recess 553 of the pushing member 55. Two guide rails 715 are disposed on one of the side walls 718 of the second recess 711, and each of the guide rails 715 is abutted against a baffle 717. The upper jig 73 is disposed in cooperation with the lower jig 71, and the fixing plate 75 is fixedly coupled to the upper jig 73. The upper test assembly is disposed in the third recess 731 of the upper jig 73, and when the upper jig 73 is in contact with the lower jig 71, the second recess 711 is in close contact with the third recess 731. The electrical properties of the PCB in the test element in the second recess 711 and the upper test component in the third recess 731 are tested (see FIGS. 9 and 10).
Before testing the electrical performance of the PCB, the distance between the two conveyors 359 can be adjusted according to the width of the PCB, so that the PCB test apparatus 100 can test the electrical performance of PCB boards of different sizes. The step of adjusting the distance between the two conveyor belts 359 is: rotating the lead screw 11 so that the thread core 13, the sliding seat 15, the induction sheet metal 151, and the first support base 171 move in the X-axis direction, and the proximity sensor 357 can detect The position of the sheet metal 151 is sensed, and the first bracket 3511, the first conveying plate 351, the second supporting base 173, and a conveyor belt 359 are synchronously moved in the X-axis direction, so that the first conveying plate 351 and the second conveying plate 353 are The distance between them changes, thereby adjusting the distance between the two conveyor belts 359. At the same time, the bellows 373 of the two high push rods 37 are retracted into the sleeve 371 in the X-axis direction.
When the electrical performance of the PCB board is tested, the PCB board is placed on the two conveyor belts 359 and the motor 31 is turned on. The motor 31 drives the rotating shaft 33 and the timing pulley 3555 to rotate, so that the two conveyor belts 359 are rotated in the Z-axis direction to transport the PCB board in the Z-axis direction. At the same time, the cylinder group 51 is opened, and the cylinder group 51 pushes the pusher 55 to move in the X-axis direction. The rotating shaft 713 disposed in the first groove 553 moves along a slope of the trapezoidal bracket 551 away from the pushing member 55, and the rail 715 moves on the shutter 717 in the Y-axis direction, so that the lower fixture 71 is along the Y-axis. Move in the direction to get close to the PCB. When the PCB board is located above the second recess 711, the cylinder 375 of the two push rods 37, 38 is activated, and the telescopic tube 373 protrudes from the sleeve 371 in the X-axis direction, thereby pushing the two conveying plates 351, The 353 and the two conveyor belts 359 are moved in the X-axis direction and restored to the initial position. At this time, the PCB board is dropped onto the lower test element (not shown) of the second recess 711. The cylinder group 51 is opened, and the cylinder group 51 continues to push the pushing member 55 to move in the X-axis direction, so that the rotating shaft 713 received in the first groove 553 rotates along a slope of the trapezoidal bracket 551 away from the pushing member 55. The guide rail 715 moves on the baffle 717 in the Y-axis direction, so that the lower jig 71 moves in the Y-axis direction until the second groove 711 of the lower jig 71 contacts the third groove 731 of the upper jig 73 and is densely closed. In the case of the lower test component in the lower fixture 71 and the upper test component in the upper fixture 73, the electrical performance of the PCB is tested.
100. . . PCB board tester
173. . . Second support
175. . . Third support
3511. . . First bracket
3531. . . Second bracket
551. . . Trapezoidal bracket
555. . . Cavity chamber
73. . . Upper fixture
75. . . Fixed plate
711. . . Second groove
713. . . Rotating shaft

Claims (10)

  1. A PCB board testing device includes a screw mechanism, a conveying mechanism, a pushing mechanism,
    And a fixture comprising a fixture and an upper fixture, wherein the test component is disposed in the fixture, and an upper test component is disposed in the fixture, the improvement is that the screw mechanism comprises An induction sheet metal; the conveying mechanism comprises a first conveying plate and a second conveying plate,
    a proximity sensor, a two-high push rod, and two conveyor belts, the two conveyor belts are disposed at two ends of the two transmission plates, and each of the high-push rods is fixedly connected to two ends of the first transmission plate, and the proximity sensor runs through At the end of the first conveying plate, when the sensing sheet metal moves in the horizontal direction, the proximity sensor detects the position of the sensing sheet metal and drives the first conveying plate and the conveyor belt on the side of the first conveying plate Moving horizontally, thereby changing the distance between the two conveyor belts to place different sized PCB boards on the two conveyor belts, pushing the lower fixture to move in the vertical direction until approaching the PCB board, the conveyor belt transports the PCB board When the upper test component of the lower fixture is over, the two high push rods push the first transfer plate and the conveyor belt to return to the initial position, so that the PCB board is dropped onto the lower test component; the push component continues to push the lower fixture along the vertical Move straight until the lower fixture is in close contact with the upper fixture. At this time, the electrical properties of the PCB are tested by the lower test component and the upper test component.
  2. The PCB board testing device of claim 1, wherein the lead screw mechanism further comprises a second screw, a second thread, a second sliding seat, two supporting frames, two transmission shafts, and a belt, and the two supports The brackets are respectively disposed on two sides of the two lead screws, and each of the wire mother sleeves is disposed on a screw; each sliding seat is fixedly connected with a wire mother; the induction sheet metal is disposed on one of the sliding seats; each support frame includes a first a support base, the first support seat is sleeved on the support frame, each of the first support bases is fixedly connected with a sliding seat; each drive shaft is sleeved at one end of a screw, and the belt sleeve is sleeved on The two drive shafts.
  3. The PCB board test apparatus of claim 2, wherein each support frame further includes a second support base and a third support base, wherein the second support base and the third support base are sleeved on The first transfer plate is supported by two first supports, the two first supports are fixedly connected to a second support base; the second transfer plate is supported by two second supports, and the second The two brackets are respectively fixedly connected to a third support base.
  4. The PCB board testing device of claim 3, wherein the conveying mechanism further comprises two low-pushing rods, the high-pushing rod having the same structure as the low-pushing rod, each comprising a sleeve and a telescopic tube. And a cylinder, the telescopic tube portion is received in the sleeve, the cylinder is fixedly connected to the sleeve; the free end of each high-pushing telescopic tube is fixedly connected with a first bracket, and each low-push telescopic tube The free end is fixedly coupled to a second bracket.
  5. The PCB board test apparatus of claim 4, wherein the transport mechanism further comprises a motor, a rotating shaft, and four axle components, the rotating shaft being coupled to the motor; the four axle components Two second brackets penetrating the first conveying plate and two second brackets of the second conveying plate are respectively sleeved and tensioned on the axle members of the first conveying plate and the axle members of the second conveying plate.
  6. The PCB board testing device of claim 5, wherein each of the axle assemblies comprises a long wheel axle and a second idler axle, and further, the two axle assemblies on one side of the motor further comprise a timing belt. The two timing pulleys extend through the first bracket and the second bracket on one side of the motor, and are sleeved on both ends of the rotating shaft.
  7. The PCB board testing device of claim 6, wherein the pushing mechanism comprises a cylinder group, a connecting member, and a pushing member, and the pushing member is connected to the group of cylinders by the connecting member.
  8. The PCB board testing device of claim 7, wherein both sides of the pushing member are formed with a trapezoidal bracket, and each of the trapezoidal brackets extends outward to form a first recess, and the pushing member is further formed with a capacity. The lower jig is received in the accommodating cavity of the pushing member, and the two end walls of the lower jig are respectively mounted with a rotating shaft, and one end of the rotating shaft is received in the first groove of the pushing member.
  9. The PCB board testing device of claim 8, wherein the lower fixture further defines a second recess, wherein the second recess is provided with the lower test component, and the second recess is One of the side walls is provided with two guide rails, and each of the guide rails is abutted against a baffle for guiding the lower jig to move in a vertical direction.
  10. The PCB board test apparatus of claim 1, wherein one end of the upper fixture has a third recess, and the third recess is opposite to the second recess; Setting the upper test component, the second groove is in close contact with the third groove when the lower jig is in contact with the upper jig, such that the lower test element and the third in the second groove The upper test assembly in the recess tests the electrical performance of the PCB board housed on the lower test component.
TW102114321A 2013-04-16 2013-04-23 Test device for printed circuit board TWI486608B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310131344.1A CN104111415B (en) 2013-04-16 2013-04-16 PCB board test device

Publications (2)

Publication Number Publication Date
TW201441636A TW201441636A (en) 2014-11-01
TWI486608B true TWI486608B (en) 2015-06-01

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CN (1) CN104111415B (en)
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CN105783755A (en) * 2016-03-15 2016-07-20 成都秦川科技发展有限公司 Optical detection apparatus
CN108020771B (en) * 2017-11-07 2020-08-07 苏州秋叶义机械有限公司 Movable track of tower tool is used in PCBA test
CN108646171A (en) * 2018-05-18 2018-10-12 广东中南人力资源有限公司 A kind of automation arrangement for testing integrated circuit
CN109188255B (en) * 2018-10-26 2019-08-23 南通深南电路有限公司 Control method, test device and the storage medium of pcb board test device
CN111781056B (en) * 2020-09-07 2020-12-04 爱德曼氢能源装备有限公司 Fuel cell stack and circuit board welding spot testing device

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CN104111415A (en) 2014-10-22
CN104111415B (en) 2016-12-14
TW201441636A (en) 2014-11-01

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