CN221039325U - Electric induction mode test fixture - Google Patents
Electric induction mode test fixture Download PDFInfo
- Publication number
- CN221039325U CN221039325U CN202322553857.3U CN202322553857U CN221039325U CN 221039325 U CN221039325 U CN 221039325U CN 202322553857 U CN202322553857 U CN 202322553857U CN 221039325 U CN221039325 U CN 221039325U
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- CN
- China
- Prior art keywords
- electric induction
- induction mode
- circuit board
- printed circuit
- test fixture
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 230000006698 induction Effects 0.000 title claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 24
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 238000007405 data analysis Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910017083 AlN Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- -1 impedance board Chemical compound 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model discloses an electric induction mode test fixture, which comprises a workbench, wherein a voltage test bench is fixedly arranged above the workbench, a fixing bolt penetrates through the upper part of the voltage test bench, one end of the fixing bolt is movably connected with a metal conductor, and the back of the workbench is provided with an extension plate; when the device is used for testing a printed circuit board, the pulse voltage on the probe is input to activate the printed circuit board on the printed circuit board pattern, then the AMP amplifier scans the upper space of the printed circuit board through the TRL sensor, the voltage is intercepted, the wave height value of the signal is measured after the signal is amplified through the AMP amplifier to judge, the result is obtained after the wave height value is analyzed through the data analyzer and the reference value is compared, and the test and detection work of the printed circuit board is finished when the judgment result is good or bad.
Description
Technical Field
The utility model relates to the technical field related to printed circuit board testing, in particular to an electric induction mode testing jig.
Background
The names of the circuit boards are: ceramic circuit board, aluminium oxide ceramic circuit board, aluminium nitride ceramic circuit board, PCB board, aluminium base board, high frequency board, thick copper, impedance board, PCB, ultra-thin circuit board, printing copper etching technique circuit board etc. along with electronic product production level's improvement, circuit board design requirement also gradually tends to high accuracy and superfine micro, traditional detecting means is unable to satisfy accurate detection needs more and more, like traditional accuse needle electrical detection mode becomes more difficult, so PWM current mode electrical detection mode will become the trend that the later stage FPC detects the development, the electrical detection of present circuit board falls into contact and non-contact two kinds, more traditional contact detection mode: including flying needles, general-purpose, special-purpose, conductive silicone, and the like.
The existing electric induction mode test fixture is generally divided into a flying needle type detector, a general type detector and a special type detector, however, in the process of testing a printed circuit board, the flying needle test is inferior to the fixed fixture in productivity and equipment cost, the flying needle test cost is high, the general type detector and the special type detector have great difficulty in detecting high-density products, and patterns and trl inside the printed circuit board cannot be detected, so that the electric induction mode test fixture is required to be proposed.
Disclosure of utility model
The present utility model is directed to an electric induction mode test fixture, which solves the problems set forth in the above-mentioned background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an electric induction mode test fixture, includes the workstation, the top fixed mounting of workstation has the voltage test board, the top of voltage test board runs through there is fixing bolt, fixing bolt's one end swing joint has the metal conductor, the back of workstation is provided with the extension board, the top of extension board is provided with electronic slide rail, the outside swing joint of electronic slide rail has electronic slider, electronic slider's top is provided with the pneumatic cylinder, the inside swing joint of pneumatic cylinder has the hydraulic stem, the one end fixed mounting of hydraulic stem has the sweep board, the top fixed mounting of sweep board has the data analysis appearance, the bottom of sweep board is provided with the AMP amplifier, the below of AMP amplifier is provided with TRL sensor.
Preferably, a vertical plate is arranged above the workbench, one side of the vertical plate is penetrated with a screw rod, and one end of the screw rod is fixedly provided with an insulating plate.
Preferably, the insulating board is movably connected with the vertical board through a screw rod, and the screw rod is symmetrically arranged by the central axis of the insulating board.
Preferably, the metal conductors are in threaded connection with the voltage test bench through fixing bolts, and the metal conductors are distributed on the voltage test bench at equal intervals.
Preferably, a thread groove is formed above the metal conductor, a threaded rod is movably connected in the thread groove, and a probe is fixedly installed at one end of the threaded rod.
Preferably, the probe is in threaded connection with the metal conductor through a threaded rod, and the thread groove is matched with the threaded rod for use.
Preferably, the scanning plate forms a lifting structure through the hydraulic rod and the extension plate, and the hydraulic cylinders and the hydraulic rod are vertically distributed.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the electric induction mode test fixture, through the arrangement of the probe, the scanning plate, the data analyzer, the AMP amplifier and the TRL sensor, when the device is used for testing a printed circuit board, the pulse voltage on the probe is used for inputting and activating the printed circuit board on the printed circuit board Pattern, then the AMP amplifier is used for measuring the wave height value of a signal after the signal is amplified through the AMP amplifier when the TRL sensor scans the upper space of the printed circuit board, the result is obtained after the signal is amplified through the AMP amplifier, and the data is judged to be compared with the reference value through the data analyzer, so that the test and detection of the printed circuit board is finished according to the judging result as good or bad, and the advantage of being matched with the device is that the device is not in direct contact with the printed circuit board, the insulation inspection with high reliability can be realized, and the device is lower in use cost compared with the flying needle type test fixture, and the TRL sensor can also be inspected for the Pattern inside the printed circuit board;
2. According to the electric induction mode test fixture, through the arrangement of the voltage test table, the vertical plate, the spiral rod and the insulating plate, when the device is used for testing the printed circuit boards, as different printed circuit boards are different in size and model, the space between the insulating plates can be freely adjusted through the spiral rod, the printed circuit boards on the probes can be conveniently fixed, and as the printed circuit boards are placed on the probes and activated by the pulsating voltage of the probes, the problem that needle marks are left on the printed circuit boards after the flying needle tester is tested is avoided when the electric induction mode is detected, and the device can achieve the purpose of no needle marks on the detection PAD;
3. This electric induction mode test fixture, through the setting of metal conductor, the thread groove, the threaded rod, pneumatic cylinder and hydraulic stem, when using the device to carry out test work to the printed circuit board, thread groove and threaded rod simple and clear convenient change suitable probe according to the printed circuit board of difference, pneumatic cylinder and hydraulic stem and electronic slide rail and electronic slider drive TRL sensor and make a round trip to scan the test work that not only can satisfy the normal printed circuit board electric induction mode of the device moreover, TRL sensor's long service life can reduce cost loss to a certain extent.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a voltage test bench according to the present utility model;
FIG. 3 is a schematic diagram of a metal conductor according to the present utility model;
FIG. 4 is a schematic view of the hydraulic stem of the present utility model;
Fig. 5 is a schematic structural view of a scan plate according to the present utility model.
In the figure: 1. a work table; 2. a voltage test stand; 3. a riser; 4. a screw rod; 5. an insulating plate; 6. a fixing bolt; 7. a metal conductor; 8. a thread groove; 9. a threaded rod; 10. a probe; 11. an extension plate; 12. an electric slide rail; 13. an electric slide block; 14. a hydraulic cylinder; 15. a hydraulic rod; 16. a scan plate; 17. a data analyzer; 18. an AMP amplifier; 19. TRL sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides an electric induction mode test fixture, including workstation 1, the top fixed mounting of workstation 1 has voltage test board 2, the top of voltage test board 2 runs through there is fixing bolt 6, fixing bolt 6's one end swing joint has metal conductor 7, workstation 1's back is provided with extension board 11, extension board 11's top is provided with electronic slide rail 12, electronic slide rail 12's outside swing joint has electronic slider 13, electronic slider 13's top is provided with pneumatic cylinder 14, pneumatic cylinder 14's inside swing joint has hydraulic rod 15, hydraulic rod 15's one end fixed mounting has scan board 16, scan board 16's top fixed mounting has data analyzer 17, scan board 16's bottom is provided with AMP amplifier 18, AMP amplifier 18's below is provided with TRL sensor 19.
In this embodiment, the riser 3 is arranged above the workbench 1, one side of the riser 3 is penetrated with the screw rod 4, one end of the screw rod 4 is fixedly provided with the insulating plate 5, the space between the insulating plates 5 is freely adjusted through the screw rod 4, and the printed circuit board on the probe 10 is conveniently fixed.
In the embodiment, the insulating board 5 is movably connected with the vertical board 3 through the screw rod 4, the screw rod 4 is symmetrically arranged with the central axis of the insulating board 5, the insulating board 5 is convenient to insulate when being contacted with the printed circuit board in the testing process, and the detection error can be reduced to a certain extent.
In this embodiment, the metal conductors 7 are in threaded connection with the voltage test bench 2 through the fixing bolts 6, the metal conductors 7 are distributed on the voltage test bench 2 at equal intervals, and a proper number of probes 10 can be added or reduced on the voltage test bench 2 through the fixing bolts 6 according to the activation requirement of the current printed circuit board.
In this embodiment, the screw thread groove 8 has been seted up to the top of metal conductor 7, and the inside swing joint of screw thread groove 8 has threaded rod 9, and the one end fixed mounting of threaded rod 9 has probe 10, and probe 10 can be according to the printed circuit board test demand of difference the free probe 10 of changing compound printed circuit board model, conveniently provides pulse current and activates the printed circuit board and survey.
In this embodiment, the probe 10 is in threaded connection with the metal conductor 7 through the threaded rod 9, the threaded groove 8 is matched with the threaded rod 9 for use, the threaded groove 8 and the threaded rod 9 are simple in structure and simple in operation, and maintenance personnel can conveniently maintain or replace the probe when faults occur.
In this embodiment, the scanning plate 16 forms a lifting structure with the extension plate 11 through the hydraulic rod 15, the hydraulic cylinders 14 and the hydraulic rod 15 are vertically distributed, and the hydraulic cylinders 14 and the hydraulic rod 15 conveniently drive the TRL sensor 19 to descend to a proper height for electric sensing detection.
Working principle: when the electric induction mode test fixture is used, an external power supply is firstly connected, a printed circuit board to be detected is placed on a probe 10 of a voltage test board 2, a proper number of probes 10 can be increased or decreased on the voltage test board 2 through a fixing bolt 6 according to the activation requirement of the current printed circuit board, then the space between insulating boards 5 is freely adjusted through a screw rod 4, the printed circuit board on the probe 10 is conveniently fixed, after preparation work is finished, a switch of a hydraulic cylinder 14 can be opened, a power source of the hydraulic pump is driven, hydraulic oil is pressed into the hydraulic cylinder 14 by the hydraulic pump, a hydraulic rod 15 is driven to descend, a scanning board 16 is lowered to the upper air sensed by the printed circuit board along with the hydraulic rod 15, then the voltage test board 2 provides pulse voltage for the probe 10, the pulse voltage on the printed circuit board is input on a pattern of the printed circuit board through the upper surface of the probe 10, then a switch of an electric slide rail 12 and an electric slide block 13 is opened, a TRL sensor 19 is driven by the scanning board 16 to scan the air from the printed circuit board, when the TRL sensor 19 scans the circuit board, a power source of the hydraulic pump is driven, the hydraulic pump is driven to press hydraulic oil into the hydraulic cylinder 14, the hydraulic rod 15 is driven to descend, the hydraulic rod is driven to descend, the upper air of the test board is detected by the hydraulic rod 15, the test board is detected by the electric slide rail, the electric slide rail is detected by the electric slide rail, the test board is detected by the test board, and the test board is judged to be a high-quality test result is judged to be the quality test result, and the test result is finished, and the test result is finally, and the test result is read and the test result is finished. The switch of the TRL sensor 19 is closed, and the external power supply is cut off when the electric slide rail 12 is not used for a long time, wherein the model is as follows: LWX60, model of electric slider 13 is: FSK30, hydraulic cylinder 14 is of the type: CDM2B25, model number of data analyzer 17 is: s911, AMP amplifier 18 is model number: BK2635, model of TRL sensor 19 is: HR30, the use of the electric induction mode test fixture is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an electric induction mode test fixture, includes workstation (1), its characterized in that: the utility model discloses a test bench, including workstation (1), voltage test bench (2) are installed to top fixed mounting of workstation (1), the top of voltage test bench (2) is run through there is fixing bolt (6), one end swing joint of fixing bolt (6) has metal conductor (7), the back of workstation (1) is provided with extension board (11), the top of extension board (11) is provided with electronic slide rail (12), the outside swing joint of electronic slide rail (12) has electronic slider (13), the top of electronic slider (13) is provided with pneumatic cylinder (14), the inside swing joint of pneumatic cylinder (14) has hydraulic stem (15), the one end fixed mounting of hydraulic stem (15) has scanning board (16), the top fixed mounting of scanning board (16) has data analysis appearance (17), the bottom of scanning board (16) is provided with AMP amplifier (18), the below of AMP amplifier (18) is provided with TRL sensor (19).
2. The electric induction mode test fixture according to claim 1, wherein a vertical plate (3) is arranged above the workbench (1), one side of the vertical plate (3) is penetrated with a screw rod (4), and one end of the screw rod (4) is fixedly provided with an insulating plate (5).
3. The electric induction mode test fixture according to claim 2, wherein the insulating plate (5) is movably connected with the vertical plate (3) through a screw rod (4), and the screw rod (4) is symmetrically arranged with the central axis of the insulating plate (5).
4. The electric induction mode test fixture according to claim 1, wherein the metal conductors (7) are in threaded connection with the voltage test bench (2) through fixing bolts (6), and the metal conductors (7) are distributed on the voltage test bench (2) at equal intervals.
5. The electric induction mode test fixture according to claim 1, wherein a thread groove (8) is formed above the metal conductor (7), a threaded rod (9) is movably connected inside the thread groove (8), and a probe (10) is fixedly installed at one end of the threaded rod (9).
6. The electric induction mode test fixture according to claim 5, wherein the probe (10) is in threaded connection with the metal conductor (7) through a threaded rod (9), and the thread groove (8) is matched with the threaded rod (9).
7. The electric induction mode test fixture according to claim 1, wherein the scanning plate (16) and the extension plate (11) form a lifting structure through a hydraulic rod (15), and the hydraulic cylinders (14) and the hydraulic rod (15) are vertically distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322553857.3U CN221039325U (en) | 2023-09-20 | 2023-09-20 | Electric induction mode test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322553857.3U CN221039325U (en) | 2023-09-20 | 2023-09-20 | Electric induction mode test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221039325U true CN221039325U (en) | 2024-05-28 |
Family
ID=91137183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322553857.3U Active CN221039325U (en) | 2023-09-20 | 2023-09-20 | Electric induction mode test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221039325U (en) |
-
2023
- 2023-09-20 CN CN202322553857.3U patent/CN221039325U/en active Active
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| GR01 | Patent grant |