CN104569509A - Mainboard function test machine - Google Patents
Mainboard function test machine Download PDFInfo
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- CN104569509A CN104569509A CN201510001552.9A CN201510001552A CN104569509A CN 104569509 A CN104569509 A CN 104569509A CN 201510001552 A CN201510001552 A CN 201510001552A CN 104569509 A CN104569509 A CN 104569509A
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Abstract
The invention discloses a mainboard function test machine which is composed of a test machine table and a test fixture. The test fixture comprises an upper die, a lower die and a loading plate, the upper die and the lower die are arranged on the upper portion and the lower portion inside the test machine table respectively, a mainboard to be tested is fixed on the loading plate, the loading plate enters the inside of the test machine table through a linear guide arranged in the middle of the the test machine table, an up and down cylinder lifts the lower die to a position to make contact with the loading plate and keeps lifting the lower die and the loading plate to a position to make contact with the upper die, probes of the upper die and the lower die make contact with test points of the mainboard to be tested in a conductive mode, a side inserted die set is driven by a side cylinder to be inserted with the mainboard to be tested, and the mainboard function test is conducted. A test control unit controls the test, and the test result is displayed in the test control unit, so that the full automatic test can be conducted on the mainboard functions. Continuous tests can be conducted through manually replacing the mainboards for testing the mainboards with the same type, manually replacing the fixture is only needed for testing different types of mainboards through the same test machine table, the degree of automation is high, and the test efficiency is high.
Description
Technical field
The invention belongs to circuit board function field tests, be specifically related to a kind of can the equipment of main board function automatic test completely, be applicable to computer motherboard functional test.
Background technology
Computer motherboard is important composition parts of computing machine, the quality of its quality directly affects the quality of computing machine, therefore, no matter be mainboard manufacturer or computing machine manufacturer, usual needs detect making the mainboard that complete mainboard or needs install and use, guarantee mainboard link performance and function qualified, even if computing machine comes into operation, when running into mainboard repair issues, also can detect mainboard.Although existing computer motherboard production automation degree is very high, not high to the detection automaticity of computer motherboard, now the detection of computer motherboard is also mainly relied on and manually carry out.The test pack vinculum road performance test of computer motherboard and circuit board for testing function of main, link performance test is whether the circuit of testing host occurs defect, the situation such as such as whether have unnecessary short circuit, open circuit or switch malfunctioning, and the LED on testing host and the fan work on other hardware whether normal.And the functional test of mainboard be by mainboard and CPU, hard disk, internal memory, etc. and this mainboard plays all hardware of repertoire and external unit is connected, whether the collaborative work between testing host and external unit is normal, as can whether testing host can driven sound card, video card, network interface card or normally reading writing harddisk, internal memory etc.
Summary of the invention
In order to solve the problem, the invention provides a kind of circuit board for testing function of main machine, this circuit board for testing function of main machine can complete circuit board for testing function of main automatically, the mainboard test of same model, only need manually to change mainboard and can carry out follow-on test, the mainboard test of different model shares tester table, only needs manually to change measurement jig, and automaticity is high, testing efficiency is high.
The present invention in order to the technical scheme solving its technical matters and adopt is:
A kind of circuit board for testing function of main machine, be made up of tester table and measurement jig, described measurement jig is installed in described tester table, described measurement jig comprises patrix, counterdie and support plate three part, described patrix comprises day plate and upper needle plate, the lower surface of described upper needle plate is provided with some probes, described sky plate is positioned at above described upper needle plate, and be connected and fixed by some connecting links between described upper needle plate and described sky plate, described counterdie comprises base plate, lower needle plate and floating sheet frame, the upper surface of described lower needle plate is provided with some probes, described base plate is positioned at below described lower needle plate, and be connected and fixed by some connecting links between described base plate and described lower needle plate, described floating sheet frame is positioned at above described lower needle plate, and described floating sheet frame is positioned at the periphery of the probe of described lower needle plate, between described floating sheet frame with described lower needle plate, elasticity is connected, and when described floating sheet frame is depressed into the probe on lower needle plate described during lower needle plate contact condition above described floating sheet frame, tested mainboard is fixed on described support plate, described support plate offers the thread a needle hole corresponding with described probe, the probe of counterdie can through test point contact on the Kong Houyu mainboard of threading a needle of support plate, described patrix is installed on the top in described tester table, described counterdie is installed on bottom in described tester table, described support plate is between described patrix and described counterdie, be provided with in described tester table and promote described patrix, the close cylinder mechanism of counterdie and support plate three position, described tester table has unit of testing and controlling and test display unit, the extension line of described patrix and the extension line of described counterdie are all electrically connected with described unit of testing and controlling.
The present invention in order to the further technical scheme solving its technical matters and adopt is:
Say further, described cylinder mechanism comprises upper and lower cylinder and front and back cylinder, described upper and lower cylinder is installed on bottom in tester table, the piston rod upper end of described upper and lower cylinder is fixed with mount pad, described counterdie is installed on described mount pad, described front and back cylinder is installed in the middle part of described tester table, linear guides is provided with in the middle part of described tester table, described linear guides front end is positioned at that tester table is outer and rear end is positioned at tester table, described support plate is positioned over described linear guides, linear guides described in the air cylinder driven of described front and back.
Say further, be provided with some sides and insert module, the left and right side edge that module is positioned the lower surface of described upper needle plate is movably inserted in described some sides, the left and right side on the top in described tester table is provided with inserts side cylinder corresponding to module with described some sides, and side corresponding to described side air cylinder driven is inserted module and advanced and tested mainboard grafting to centre.
Say further, some tongs are provided with in described tester table, described tong and described side insert module and described side cylinder is corresponding, described tong comprises depression bar, upper holder block, lower lock block, guide rod, spring, pulley, upper plate, lower plugboard, inserted link and contiguous block, the connection of described depression bar upper end presses down driving mechanism and lower end connects described upper holder block, the described driving mechanism that presses down can drive described depression bar to press down, described upper plate is parallel with described lower plugboard and be horizontally disposed with, described upper plate is fixedly connected with described contiguous block with lower plugboard, described upper plate and lower plugboard towards tester table center and described contiguous block be connected with described side cylinder, the outer side edges of module is inserted in described side, described upper plate and described lower plugboard offer corresponding socket, described guide rod upper end is fixed on described tester table and lower end is fixed with described upper plate, described lower lock block to be positioned at above described upper plate and to be set in outside described guide rod, in the bar section of described guide rod between upper plate and lower lock block, cover has spring, the upper surface of described lower lock block is provided with pulley, described upper holder block is positioned at above described lower lock block, described upper holder block is connected by described pulley with described lower lock block, described inserted link upper end is fixedly connected on described lower lock block lower surface, described inserted link can insert in side downwards simultaneously insert module, in the socket of upper plate and lower plugboard.
Say further, be provided with the loading bay of a level in the middle part of described tester table, described loading bay is shaped as frame, and described loading bay is positioned at tester table outside, and the first half section of described linear guides is positioned at the left and right sides of described loading bay.
Say further, described loading bay is provided with induction support plate and loads the grating put in place, and the leading inside of described loading bay is provided with induction support plate from the inner microswitch exited of tester table, and described loading bay front end is provided with electrostatic interface.
Say further, described tester table inner bottom part has power supply and air switch, and in described tester table, middle part is provided with the optoelectronic switch that some induction support plates put in place in tester table.
Say further, described tester table is provided with board circuit board and machine platform controller, described board circuit board is connected with described machine platform controller, described upper and lower air cylinders, front and back cylinder and side cylinder are connected with solenoid valve separately, and described solenoid valve, described grating, described microswitch, described power supply, described air switch and described optoelectronic switch are all electrically connected with described board circuit board.
Say further, described unit of testing and controlling is control flow, and described control flow is positioned at the external upper of described tester table, and the adjustable angle of described control flow; Described test display unit is display, and described display is positioned at the external upper of described tester table, and the adjustable angle of described display.
Say further, the side of described tester table be provided with some can the door of opening and closing, the bottom in described tester table is provided with instrument cases.
The invention has the beneficial effects as follows: circuit board for testing function of main machine of the present invention is made up of tester table and measurement jig, measurement jig comprises patrix, counterdie and support plate three part, patrix is installed on tester table internal upper part, counterdie is installed on bottom in tester table, tested mainboard is fixed on support plate, support plate enters inside by the linear guides be positioned in the middle part of tester table by tester table outside, by upper and lower air cylinders counterdie is up promoted to and continues that counterdie and support plate are up promoted to support plate after counterdie contacts with support plate and contact with patrix, and under the promotion of upper and lower cylinder, make the probe of upper die and lower die contact conducting with the test point of tested mainboard, module and tested mainboard grafting is inserted again by side air cylinder driven side, the probe of measurement jig and the connection conducting of plug connector elements and tested mainboard is completed with this, for carrying out circuit board for testing function of main, control test by unit of testing and controlling to carry out, and test result is shown in test display unit, the full-automation test of main board function is completed with this, not only testing efficiency is high, and decrease the test error that some human factors cause, further, the design of tong in the present invention, no matter side to insert module is that inserting state or the state of extracting can be connected with side cylinder if can being made, side cylinder can control the plug that module is inserted in side easily, without the need to manual operation, after completing a circuit board for testing function of main, only module need be inserted in side to extract, tong is also without the need to getting loose, then cylinder declines to make up and down, and counterdie and support plate decline, linear guides drives support plate to exit, and then unload the mainboard of survey on support plate, fixing mainboard to be measured is put into linear guides and can be carried out next round test, need to change measurement jig when the mainboard that test model is different, now just need tong to get loose, change measurement jig.
Accompanying drawing explanation
Fig. 1 is circuit board for testing function of main machine inner structure schematic diagram of the present invention;
Fig. 2 is another visual angle inner structure schematic diagram of circuit board for testing function of main machine of the present invention;
Fig. 3 is measurement jig structural representation of the present invention;
Fig. 4 is tester table appearance schematic diagram of the present invention;
Fig. 5 is another visual angle appearance schematic diagram of tester table of the present invention;
Fig. 6 is jaw principle schematic of the present invention;
Fig. 7 is another visual angle principle schematic of jaw of the present invention;
Fig. 8 is that the jaw state vs schematic diagram of module when plugging and unplugging state is inserted in side of the present invention;
1---tester table;
11---unit of testing and controlling; 12---test display unit;
131---upper and lower air cylinders; 132---side cylinder;
14---mount pad; 15---linear guides;
16---tong;
161---depression bar; 162---upper holder block;
163---lower lock block; 164---guide rod;
165---spring; 166---pulley;
167---upper plate; 168---lower plugboard;
169---inserted link; 160---contiguous block;
17---loading bay;
181---grating; 182---microswitch;
183---electrostatic interface; 184---optoelectronic switch;
191---power supply; 192---air switch;
193---board circuit board; 194---machine platform controller;
2---measurement jig;
21---patrix;
211---sky plate; 212---upper needle plate;
22---counterdie;
221---base plate; 222---lower needle plate;
223---float sheet frame;
23---support plate;
24---module is inserted in side;
3---tested mainboard.
Embodiment
Below by way of specific instantiation, the specific embodiment of the present invention is described, those skilled in the art can understand advantage of the present invention and effect easily by content disclosed in the present specification.The present invention also can be implemented in further, different ways, that is, not departing under disclosed category, can give different modifications and change.
Embodiment: a kind of circuit board for testing function of main machine, as illustrated in fig. 1 and 2, be made up of tester table 1 and measurement jig 2, described measurement jig is installed in described tester table, described measurement jig comprises patrix 21, counterdie 22 and support plate 23 3 part, composition graphs 3, described patrix comprises day plate 211 and upper needle plate 212, the lower surface of described upper needle plate is provided with some probes, described sky plate is positioned at above described upper needle plate, and be connected and fixed by some connecting links between described upper needle plate and described sky plate, described counterdie comprises base plate 221, lower needle plate 222 and floating sheet frame 223, the upper surface of described lower needle plate is provided with some probes, described base plate is positioned at below described lower needle plate, and be connected and fixed by some connecting links between described base plate and described lower needle plate, described floating sheet frame is positioned at above described lower needle plate, and described floating sheet frame is positioned at the periphery of the probe of described lower needle plate, between described floating sheet frame with described lower needle plate, elasticity is connected (being provided with spring), and when described floating sheet frame is depressed into the probe on lower needle plate described during lower needle plate contact condition above described floating sheet frame, tested mainboard 3 is fixed on described support plate, described support plate offers the thread a needle hole corresponding with described probe, the probe of counterdie can through test point contact on the Kong Houyu mainboard of threading a needle of support plate, described patrix is installed on the top in described tester table, described counterdie is installed on bottom in described tester table, described support plate is between described patrix and described counterdie, be provided with in described tester table and promote described patrix, the close cylinder mechanism of counterdie and support plate three position, described tester table has unit of testing and controlling 11 and test display unit 12, the extension line of described patrix and the extension line of described counterdie are all electrically connected with described unit of testing and controlling.
As illustrated in fig. 1 and 2, described cylinder mechanism comprises upper and lower cylinder 131 and front and back cylinder (figure does not illustrate), described upper and lower cylinder is installed on bottom in tester table, the piston rod upper end of described upper and lower cylinder is fixed with mount pad 14, described counterdie is installed on described mount pad, described front and back cylinder is installed in the middle part of described tester table, linear guides 15 is provided with in the middle part of described tester table, described linear guides front end is positioned at that tester table is outer and rear end is positioned at tester table, described support plate is positioned over described linear guides, linear guides described in the air cylinder driven of described front and back.
As shown in Figure 3, be provided with some sides and insert module 24, the left side that module is positioned the lower surface of described upper needle plate is movably inserted in described some sides, right edge place, composition graphs 1 and Fig. 2 again, the left side on the top in described tester table, right side is provided with inserts side cylinder 132 corresponding to module with described some sides, side corresponding to described side air cylinder driven is inserted module and is advanced and tested mainboard grafting to centre, composition graphs 6 to Fig. 8 again, some tongs 16 are provided with in described tester table, described tong and described side insert module and described side cylinder is corresponding, described tong comprises depression bar 161, upper holder block 162, lower lock block 163, guide rod 164, spring 165, pulley 166, upper plate 167, lower plugboard 168, inserted link 169 and contiguous block 160, the connection of described depression bar upper end presses down driving mechanism and lower end connects described upper holder block, described upper plate is parallel with described lower plugboard and be horizontally disposed with, described upper plate is fixedly connected with described contiguous block with lower plugboard, described upper plate and lower plugboard towards tester table center and described contiguous block be connected with described side cylinder, the outer side edges of module is inserted in described side, described upper plate and described lower plugboard offer corresponding socket, described guide rod upper end is fixed on described tester table and lower end is fixed with described upper plate, described lower lock block to be positioned at above described upper plate and to be set in outside described guide rod, in the bar section of described guide rod between upper plate and lower lock block, cover has spring, the upper surface of described lower lock block is provided with pulley, described upper holder block is connected by described pulley with described lower lock block, described upper holder block is positioned at above described lower lock block, described upper holder block is connected by described pulley with described lower lock block, described inserted link upper end is fixedly connected on described lower lock block lower surface, described inserted link can insert in side downwards simultaneously insert module, in the socket of upper plate and lower plugboard.
As shown in Figure 1, Figure 2 and shown in Fig. 4 and Fig. 5, be provided with the loading bay 17 of a level in the middle part of described tester table, described loading bay is shaped as frame, and described loading bay is positioned at tester table outside, and the first half section of described linear guides is positioned at the left and right sides of described loading bay.
As illustrated in fig. 1 and 2, described loading bay is provided with induction support plate and loads the grating 181 put in place, the leading inside of described loading bay is provided with induction support plate from the inner microswitch 182 exited of tester table, described loading bay front end is provided with electrostatic interface 183, described tester table inner bottom part has power supply 191 and air switch 192, in described tester table, middle part is provided with the optoelectronic switch 184 that some induction support plates put in place in tester table, described tester table is provided with board circuit board 193 and machine platform controller 194, described board circuit board is connected with described machine platform controller, described upper and lower air cylinders, front and back cylinder and side cylinder are connected with solenoid valve (figure does not illustrate) separately, described solenoid valve, described grating, described microswitch, described power supply, described air switch and described optoelectronic switch are all electrically connected with described board circuit board.
Described unit of testing and controlling is control flow, and described control flow is positioned at the external upper of described tester table, and the adjustable angle of described control flow; Described test display unit is display, and described display is positioned at the external upper of described tester table, and the adjustable angle of described display.
The side of described tester table be provided with some can the door of opening and closing, the bottom in described tester table is provided with instrument cases (figure does not illustrate).
The course of work of circuit board for testing function of main machine of the present invention is as follows:
1, tested mainboard is fixed on the support plate of measurement jig;
2, support plate is positioned on linear guides;
3, after grating senses support plate, it is inner and between upper die and lower die that support plate is sent into tester table by front and back air cylinder driven linear guides;
4, after optoelectronic switch senses that support plate is positioned at tester table inside, upper and lower cylinder-pushed counterdie moves upward, counterdie first contacts with support plate, the counterdie contacted and support plate continue to rise under upper and lower cylinder-pushed, patrix contacts with support plate, washes make the probe of upper die and lower die contact conducting with the test point of tested mainboard at upper and lower cylinder-pushed;
5, after optoelectronic switch senses that measurement jig puts in place, side cylinder promotes side and inserts module and be plugged in tested mainboard, and makes side insert module in the socket inserted link inserting side on tong being inserted module and side cylinders connects;
6, start circuit board for testing function of main, test result is shown in test display unit;
7, after having tested, side air cylinder driven side is inserted module and is extracted from mainboard, and then cylinder declines up and down, counterdie, support plate and mainboard are declined, the support plate that mainboard is housed outwards exits by front and back air cylinder driven linear guides in tester table, and the support plate exited touches microswitch, is completed;
8, mainboard will be surveyed under support plate dismounting, replace with the mainboard to be measured of same model, and repeat said process 1-7 to test, unlike, tong has been clamped side and has been inserted module in first time test process, tong module is inserted in side always and side cylinder is connected to, and presss from both sides without the need to getting loose again;
9, after the mainboard of same model has all been tested, when needing the mainboard testing different model, then need to unclamp tong, the inserted link of tong is inserted the socket of module from side extract, then measurement jig is disassembled, replace with the measurement jig matched with mainboard to be measured, then repeat said process 1-8 and test.
Claims (10)
1. a circuit board for testing function of main machine, it is characterized in that: be made up of tester table (1) and measurement jig (2), described measurement jig is installed in described tester table, described measurement jig comprises patrix (21), counterdie (22) and support plate (23) three part, described patrix comprises a day plate (211) and upper needle plate (212), the lower surface of described upper needle plate is provided with some probes, described sky plate is positioned at above described upper needle plate, and be connected and fixed by some connecting links between described upper needle plate and described sky plate, described counterdie comprises base plate (221), lower needle plate (222) and floating sheet frame (223), the upper surface of described lower needle plate is provided with some probes, described base plate is positioned at below described lower needle plate, and be connected and fixed by some connecting links between described base plate and described lower needle plate, described floating sheet frame is positioned at above described lower needle plate, and described floating sheet frame is positioned at the periphery of the probe of described lower needle plate, between described floating sheet frame with described lower needle plate, elasticity is connected, and when described floating sheet frame is depressed into the probe on lower needle plate described during lower needle plate contact condition above described floating sheet frame, tested mainboard (3) is fixed on described support plate, described support plate offers the thread a needle hole corresponding with described probe, the probe of counterdie can through test point contact on the Kong Houyu mainboard of threading a needle of support plate, described patrix is installed on the top in described tester table, described counterdie is installed on bottom in described tester table, described support plate is between described patrix and described counterdie, be provided with in described tester table and promote described patrix, the close cylinder mechanism of counterdie and support plate three position, described tester table has unit of testing and controlling (11) and test display unit (12), the extension line of described patrix and the extension line of described counterdie are all electrically connected with described unit of testing and controlling.
2. circuit board for testing function of main machine as claimed in claim 1, it is characterized in that: described cylinder mechanism comprises upper and lower cylinder (131) and front and back cylinder, described upper and lower cylinder is installed on bottom in tester table, the piston rod upper end of described upper and lower cylinder is fixed with mount pad (14), described counterdie is installed on described mount pad, described front and back cylinder is installed in the middle part of described tester table, linear guides (15) is provided with in the middle part of described tester table, described linear guides front end is positioned at that tester table is outer and rear end is positioned at tester table, described support plate is positioned over described linear guides, linear guides described in the air cylinder driven of described front and back.
3. circuit board for testing function of main machine as claimed in claim 1, it is characterized in that: be provided with some sides and insert module (24), the left and right side edge that module is positioned the lower surface of described upper needle plate is movably inserted in described some sides, the left and right side on the top in described tester table is provided with inserts side cylinder (132) corresponding to module with described some sides, and side corresponding to described side air cylinder driven is inserted module and advanced and tested mainboard grafting to centre.
4. circuit board for testing function of main machine as claimed in claim 3, it is characterized in that: in described tester table, be provided with some tongs (16), described tong and described side insert module and described side cylinder is corresponding, described tong comprises depression bar (161), upper holder block (162), lower lock block (163), guide rod (164), spring (165), pulley (166), upper plate (167), lower plugboard (168), inserted link (169) and contiguous block (160), the connection of described depression bar upper end presses down driving mechanism and lower end connects described upper holder block, described upper plate is parallel with described lower plugboard and be horizontally disposed with, described upper plate is fixedly connected with described contiguous block with lower plugboard, described upper plate and lower plugboard towards tester table center and described contiguous block be connected with described side cylinder, the outer side edges of module is inserted in described side, described upper plate and described lower plugboard offer corresponding socket, described guide rod upper end is fixed on described tester table and lower end is fixed with described upper plate, described lower lock block to be positioned at above described upper plate and to be set in outside described guide rod, in the bar section of described guide rod between upper plate and lower lock block, cover has spring, the upper surface of described lower lock block is provided with pulley, described upper holder block is connected by described pulley with described lower lock block, described upper holder block is positioned at above described lower lock block, described upper holder block is connected by described pulley with described lower lock block, described inserted link upper end is fixedly connected on described lower lock block lower surface, described inserted link can insert in side downwards simultaneously insert module, in the socket of upper plate and lower plugboard.
5. circuit board for testing function of main machine as claimed in claim 2, it is characterized in that: the loading bay (17) being provided with a level in the middle part of described tester table, described loading bay is shaped as frame, described loading bay is positioned at tester table outside, and the first half section of described linear guides is positioned at the left and right sides of described loading bay.
6. circuit board for testing function of main machine as claimed in claim 5, it is characterized in that: described loading bay is provided with induction support plate and loads the grating (181) put in place, the leading inside of described loading bay is provided with induction support plate from the inner microswitch (182) exited of tester table, and described loading bay front end is provided with electrostatic interface (183).
7. circuit board for testing function of main machine as claimed in claim 1, it is characterized in that: described tester table inner bottom part has power supply (191) and air switch (192), in described tester table, middle part is provided with the optoelectronic switch (184) that some induction support plates put in place in tester table.
8. the circuit board for testing function of main machine as described in claim 2,3,6 and 7, it is characterized in that: described tester table is provided with board circuit board (193) and machine platform controller (194), described board circuit board is connected with described machine platform controller, described upper and lower air cylinders, front and back cylinder and side cylinder are connected with solenoid valve separately, and described solenoid valve, described grating, described microswitch, described power supply, described air switch and described optoelectronic switch are all electrically connected with described board circuit board.
9. circuit board for testing function of main machine as claimed in claim 1, is characterized in that: described unit of testing and controlling is control flow, and described control flow is positioned at the external upper of described tester table, and the adjustable angle of described control flow; Described test display unit is display, and described display is positioned at the external upper of described tester table, and the adjustable angle of described display.
10. circuit board for testing function of main machine as claimed in claim 1, is characterized in that: the side of described tester table be provided with some can the door of opening and closing, the bottom in described tester table is provided with instrument cases.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001552.9A CN104569509B (en) | 2015-01-04 | 2015-01-04 | Circuit board for testing function of main machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510001552.9A CN104569509B (en) | 2015-01-04 | 2015-01-04 | Circuit board for testing function of main machine |
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| CN104569509A true CN104569509A (en) | 2015-04-29 |
| CN104569509B CN104569509B (en) | 2017-09-15 |
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| CN110133482A (en) * | 2019-06-14 | 2019-08-16 | 嘉兴博源电子科技有限公司 | It is conveniently replaceable the full-automatic on-line testing equipment of fixture |
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| CN111208324A (en) * | 2020-01-13 | 2020-05-29 | 江苏特创科技有限公司 | Upper die quick replacing structure of mainboard testing jig |
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| CN113030705A (en) * | 2021-03-12 | 2021-06-25 | 深圳市雷铭科技发展有限公司 | Method, system and equipment for automatically testing circuit board |
| CN113030705B (en) * | 2021-03-12 | 2023-12-01 | 深圳市雷铭科技发展有限公司 | Method, system and equipment for automatically testing circuit board |
| CN113156300A (en) * | 2021-05-21 | 2021-07-23 | 欧朗电子科技有限公司 | Automatic testing arrangement of new forms of energy BMS PCBA board |
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