CN115372783A - Circuit board testing device - Google Patents
Circuit board testing device Download PDFInfo
- Publication number
- CN115372783A CN115372783A CN201610027116.3A CN201610027116A CN115372783A CN 115372783 A CN115372783 A CN 115372783A CN 201610027116 A CN201610027116 A CN 201610027116A CN 115372783 A CN115372783 A CN 115372783A
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- Prior art keywords
- circuit board
- plate
- positioning plate
- needle
- lifting rod
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- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 210000003127 knee Anatomy 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/2801—Testing of printed circuits, backplanes, motherboards, hybrid circuits or carriers for multichip packages [MCP]
- G01R31/2806—Apparatus therefor, e.g. test stations, drivers, analysers, conveyors
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention provides a circuit board testing device, comprising: the box cover and the tube needle fixing plate on the box cover; a spring, a concave needle and a convex needle on the tube needle fixing plate; the concave needle is connected with the convex needle through a lead; the circuit board positioning plate is arranged on the spring, and the test circuit board comprises a lower layer circuit board and an upper layer circuit board which are arranged on the circuit board positioning plate; the connecting plate is fixed on the top plate; the thimble is arranged on the top plate; a lifting rod connected with the connecting plate; the handle and the curved bar are connected with the lifting rod, and the lifting rod moves up and down along with the handle; when the handle is lifted, the lifting rod drives the top plate to move upwards to a first preset position, and the ejector pin is far away from the circuit board positioning plate; when the test circuit board is arranged on the circuit board positioning plate and the handle descends, the lifting rod drives the top plate to move downwards, the ejector pin abuts against the test circuit board and extrudes the circuit board positioning plate to compress the spring downwards, so that the concave pin is communicated with the lower layer circuit board, and the convex pin is communicated with the upper layer circuit board. The invention has simple structure and high test efficiency on the test circuit board.
Description
Technical Field
The invention relates to the technical field of testing devices, in particular to a circuit board testing device.
Background
The circuit board wide application in industrial production, each aspect of manufacturing, along with the development of technique, the circuit board also constantly develops more, double-deck circuit board multilayer circuit board even also constantly appears, photomultiplier mainly by the body, the bleeder plate constitutes, for the convenience of photomultiplier's installation and fixed, we are the upper and lower two-layer partial pressure board with the bleeder plate design, link to each other through the contact pin, because the bleeder plate design is upper and lower two-layer, we can't add power to it alone and whether normal in order to test the partial pressure board, during the ordinary test, pass through the contact pin connection test with upper strata partial pressure board and lower floor partial pressure board, efficiency of software testing is lower, a test set that can carry out the multilayer circuit board of quick test to the partial pressure board waits to research and development urgently.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a circuit board testing device, which can effectively improve the testing efficiency of a testing circuit board, has a simple structure, is easy to realize, has high practicability and can be widely applied.
To solve the above technical problem, an embodiment of the present invention provides a circuit board testing apparatus, including:
a box cover arranged on the box body;
the tube needle fixing plate is arranged on the box cover;
the spring, the concave needle and the convex needle are respectively arranged on the tube needle fixing plate; wherein, the concave needle and the convex needle which have corresponding relation are connected by a lead;
the circuit board positioning plate is arranged on the spring and used for placing a test circuit board, through holes are formed in the positions, corresponding to the convex pins and the concave pins, of the circuit board positioning plate, and the test circuit board comprises a lower layer circuit board and an upper layer circuit board which are fixed at preset positions on the circuit board positioning plate;
the connecting plate is fixed on the top plate;
the ejector pin is arranged on the lower surface of the top plate;
the lifting rod is fixedly connected with the connecting plate;
the handle and the curved bar are respectively connected with the lifting rod, the curved bar is provided with a through hole corresponding to the lifting rod, and the lifting rod penetrates through the curved bar and moves up and down along with the handle;
preferably, when the handle is lifted, the lifting rod drives the top plate to move upwards to a first preset position, and the ejector pin is far away from the circuit board positioning plate;
preferably, when the test circuit board is placed on the circuit board positioning plate and the handle descends, the lifting rod drives the top plate to move downwards, the ejector pins push the lower layer circuit board and the upper layer circuit board and extrude the circuit board positioning plate to compress the springs downwards, when the circuit board positioning plate moves downwards to a second preset position, the concave pins are electrically connected to corresponding contact pins on the lower layer circuit board, and the convex pins are electrically connected to corresponding tube holes of the upper layer circuit board.
Preferably, the box body is provided with a switch and a power input interface, and the power input interface is connected with an external power supply.
Preferably, the tube needle fixing plate is provided with a limit screw for limiting the rebound height of the circuit board positioning plate.
Furthermore, a first guide sleeve is further arranged on the tube needle fixing plate, a first guide pillar corresponding to the first guide sleeve is arranged on the circuit board positioning plate, and the circuit board positioning plate is positioned with the tube needle fixing plate through the first guide sleeve and the first guide pillar.
Preferably, the circuit board positioning plate is provided with a circuit board positioning nail for positioning and placing the test circuit board.
Specifically, the circuit board testing device further includes:
the two sides of the box cover are respectively and correspondingly provided with one fixing column, and the fixing columns are respectively connected with the curved bar through a fixing plate;
the second guide pillar is arranged in parallel with the fixed column, one end of the second guide pillar is fixed on the fixed column, and the other end of the second guide pillar is fixed on the box cover;
the second guide sleeve corresponds to the second guide pillar and is arranged on the top plate; the second guide pillar penetrates through the second guide sleeve, and the top plate moves up and down along the second guide pillar.
Preferably, a guide pillar fixing plate is arranged on the fixing pillar, and the second guide pillar is connected with the fixing pillar through the guide pillar fixing plate.
Preferably, the tube needle fixing plate is fixed to the box cover by a screw.
Preferably, the handle is connected with the curved bar and is connected with the lifting rod through a connecting piece.
Preferably, the lead is arranged in the box body;
preferably, the box cover is connected with the box body through a hinge;
preferably, the box body is provided with a hasp, and the box cover is buckled with the box body through the hasp.
The technical scheme of the invention has the following beneficial effects:
according to the scheme, the spring, the concave needle and the convex needle which are connected through the wires are arranged on the tube needle fixing plate, the circuit board positioning plate used for placing the upper layer circuit board and the lower layer circuit board is arranged on the spring, the circuit board positioning plate is respectively provided with the holes corresponding to the concave needle and the convex needle, the circuit board positioning plate extrudes the spring to move downwards when being extruded, so that the tube holes in the upper layer circuit board are electrically connected with the corresponding convex needles, the contact pins in the lower layer circuit board are electrically connected with the corresponding concave needles, and finally the upper layer circuit board and the lower layer circuit board are electrically connected.
Drawings
FIG. 1 is a side view of a circuit board testing apparatus according to an embodiment of the present invention;
fig. 2 is a front view of a circuit board testing apparatus provided in an embodiment of the present invention;
fig. 3 is a top view of a circuit board testing apparatus according to an embodiment of the present invention.
[ main component symbol description ]
1-box body; 2-a box cover; 3-a first guide sleeve; 4-a first guide post; 5-a screw; 6-a circuit board positioning plate; 7-a thimble; 8-a top plate; 9-a connecting plate; 10-a lifting rod; 11-a curved bar; 12-connecting pieces; 13-a handle; 14-a fixed plate; 15-fixing the column; 16-guide post fixing plate; 17-a second guide post; 18-a second guide sleeve; 19-a limit pin; 20-a spring; 21-a switch; 22-power input interface; 23-concave needle; 24-a tube needle fixing plate; 25-lower layer circuit board; 26-pin insertion; 27-upper circuit board; 28-a convex needle; 29-circuit board positioning pin.
Detailed Description
To make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Aiming at the existing problems, the invention provides the circuit board testing device which can efficiently complete the test of the testing circuit board, has simple structure, easy realization and high practicability and can be widely applied.
As shown in fig. 1, an embodiment of the present invention provides a circuit board testing apparatus, including:
a box cover 2 arranged on the box body 1;
a needle fixing plate 24 disposed on the cap 2;
and a spring 20, a concave needle 23 and a convex needle 28 respectively arranged on the tube needle fixing plate 24; wherein, the concave needle 23 and the convex needle 28 which have corresponding relation are connected by a lead; the concave needle 23 and the convex needle 28 are arranged correspondingly, the concave needle 23 is arranged on one side of the tube needle fixing plate 24, and the convex needle 28 is arranged on the other side of the tube needle fixing plate 24.
The circuit board positioning plate 6 is arranged on the spring 20 and used for placing a test circuit board, and the circuit board positioning plate 6 can move up and down along with the extension and retraction of the spring; the positions of the circuit board positioning plate 6 corresponding to the male pins 28 and the female pins 23 are all provided with through holes, the test circuit board comprises a lower circuit board 25 and an upper circuit board 27 which are fixed at preset positions on the circuit board positioning plate 6, namely, the lower circuit board 25 is arranged at one side of the circuit board positioning plate 6, the upper circuit board 27 is arranged at the other side of the circuit board positioning plate 6, and the lower circuit board 25 and the upper circuit board 27 are symmetrically arranged, it should be noted that under the condition that the test circuit board is normally connected, the upper circuit board 27 and the lower circuit board 25 are connected through a plurality of pin-tube hole pairs, the female pins 23 and the male pins 28 in the corresponding relation are pointed, any pair of pin-tube hole pairs corresponds to respective female pins and male pins connected through leads on the tube pin fixing plate 24, namely, the female pins 13 and the male pins 28 on the tube fixing plate 24 form corresponding pin-male pin pairs and are connected through leads, the female pins in the female pin-male pin pairs correspond to the tube hole pairs of the male pins, and the male pins in the female pins-male pins-tube hole pairs in the female pins-male pins.
A top plate 8 and a connecting plate 9 fixed to the top plate 8.
And the ejector pin 7 is arranged on the lower surface of the top plate 8, and the ejector pin 7 is used for ejecting the test circuit board so as to enable the circuit board positioning plate 6 to move downwards.
And the lifting rod 10 is fixedly connected with the connecting plate 9.
The handle 13 and the curved bar 11 are respectively connected with the lifting rod 10, the curved bar 11 is provided with a through hole corresponding to the lifting rod 10, and the lifting rod 10 penetrates through the curved bar 11 and moves up and down along with the handle 13.
When the handle 13 is lifted, the lifting rod 10 drives the top plate 8 to move upwards to a first preset position, the ejector pin 7 is far away from the circuit board positioning plate 6, and the lower layer circuit board 25 and the upper layer circuit board 27 are placed at preset positions on the circuit board positioning plate 6.
When a test circuit board is placed on the circuit board positioning plate 6 and the handle 13 descends, the lifting rod 10 drives the top plate 8 to move downwards, the thimble 7 props against the lower layer circuit board 25 and the upper layer circuit board 27 and presses the circuit board positioning plate 6 to compress the spring 20 downwards, when the circuit board positioning plate 6 moves downwards to a second preset position, the concave pin 23 is electrically connected to a corresponding contact pin 26 on the lower layer circuit board 25, the contact pin 26 penetrates through a through hole corresponding to the concave pin 23 to be electrically connected with the concave pin 23, the convex pin 28 is electrically connected to a tube hole corresponding to the upper layer circuit board 27 through a through hole corresponding to the convex pin 28, and the concave pin 23 and the convex pin 28 are electrically connected through wires, so that the lower layer circuit board 25 and the upper layer circuit board 27 are communicated. It should be noted that the tube holes on the upper circuit board 27 and the pins (26) on the lower circuit board 23 are only relative concepts, and the pins 26 may be disposed on the upper circuit board 27 and the tube holes may be disposed on the lower circuit board 23, which is not limited herein.
Be provided with switch 21 and power input interface 22 on the box body 1, power input interface 22 connects external power supply, opens just at switch 21 when circuit board locating plate 6 downstream to the second preset position, whether strike sparks and whether the output current of external power supply judges lower floor's circuit board 25 and upper circuit board 27 abnormal according to resistance and electric capacity on lower floor's circuit board 25 and upper circuit board 27.
The tube needle fixing plate 24 is provided with a limit screw 19 for limiting the rebound height of the circuit board positioning plate 6, and when the circuit board positioning plate 6 rebounds and rises under the reaction force of the spring 20, the limit screw 19 can limit the rebound and rise height of the circuit board positioning plate 6.
The tube needle fixing plate 24 is further provided with a first guide sleeve 3, the circuit board positioning plate 6 is provided with a first guide post 4 corresponding to the first guide sleeve 3, the circuit board positioning plate 6 is positioned with the tube needle fixing plate 24 through the first guide sleeve 3 and the first guide post 4, and the first guide sleeve 3 and the first guide post 4 are matched with each other, so that when the circuit board positioning plate 6 is extruded to press the spring 20 to move downwards or when the circuit board positioning plate 6 is under the reaction force of the spring 20, the circuit board positioning plate 6 can only do lifting motion along the guide post 4.
And the circuit board positioning plate 6 is provided with a circuit board positioning nail 29 for positioning and placing the test circuit board.
The circuit board testing device further comprises:
the fixing posts 15 are respectively and correspondingly arranged on two sides of the box cover 2, and the fixing posts 15 are respectively connected with the curved bar 11 through a fixing plate 14;
the second guide pillar 17 is arranged in parallel with the fixed column 15, one end of the second guide pillar is fixed on the fixed column 15, and the other end of the second guide pillar is fixed on the box cover 2;
a second guide sleeve 18 corresponding to the second guide post 17 and disposed on the top plate 8; the second guide post 17 penetrates through the second guide sleeve 18, and the second guide sleeve 18 and the second guide post 17 are matched with each other, so that the top plate 8 can move up and down along the second guide post 17.
A guide post fixing plate 16 is arranged on the fixing post 15, and the second guide post 17 is connected with the fixing post 15 through the guide post fixing plate 16.
The needle fixing plate 24 is fixed on the box cover 2 through a screw 5.
The handle 13 is connected with the curved rod 11 and connected with the lifting rod 10 through a connecting piece 12, and the handle 13 is used for controlling the lifting rod 10 to do lifting movement.
The lead is arranged in the box body 1.
The box cover 2 is connected with the box body 1 through hinges.
The box body 1 is provided with a hasp, and the box cover 2 is buckled with the box body 1 through the hasp.
In the above scheme, set up spring and wire connection's concave needle and convex needle on the pipe needle fixed plate, set up the circuit board locating plate that is used for placing upper circuit board and lower floor's circuit board on the spring, set up the trompil corresponding with concave needle and convex needle on the circuit board locating plate respectively, the circuit board locating plate extrudees the spring downstream when receiving the extrusion, make the tube hole on the upper circuit board be connected with its corresponding convex needle electricity, contact pin on the lower floor's circuit board is connected with its corresponding concave needle electricity, finally make upper circuit board and lower floor's circuit board electricity connect, whether lower floor's circuit board and upper circuit board are judged according to resistance and electric capacity on lower floor's circuit board and the upper circuit board and whether unusual with external power supply's output current, can test the test circuit board high-efficiently, overall structure is simple, easily realize, can accomplish the test to the test circuit board well, and has very high practicality.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A circuit board testing device, comprising:
a box cover (2) arranged on the box body (1);
a tube needle fixing plate (24) arranged on the box cover (2);
a spring (20), a concave needle (23) and a convex needle (28) which are respectively arranged on the tube needle fixing plate (24); wherein the concave needle (23) and the convex needle (28) which have corresponding relation are connected through a lead;
the circuit board positioning plate (6) is arranged on the spring (20) and used for placing a test circuit board, through holes are formed in the positions, corresponding to the convex pins (28) and the concave pins (23), of the circuit board positioning plate (6), and the test circuit board comprises a lower layer circuit board (25) and an upper layer circuit board (27) which are fixed at preset positions on the circuit board positioning plate (6);
a top plate (8) and a connecting plate (9) fixed on the top plate (8);
the ejector pin (7) is arranged on the lower surface of the top plate (8);
the lifting rod (10) is fixedly connected with the connecting plate (9);
the handle (13) and the curved bar (11) are respectively connected with the lifting rod (10), the curved bar (11) is provided with a through hole corresponding to the lifting rod (10), and the lifting rod (10) penetrates through the curved bar (11) and moves up and down along with the handle (13);
when the handle (13) is lifted, the lifting rod (10) drives the top plate (8) to move upwards to a first preset position, and the ejector pin (7) is far away from the circuit board positioning plate (6);
when a test circuit board is placed on the circuit board positioning plate (6) and the handle (13) descends, the lifting rod (10) drives the top plate (8) to move downwards, the ejector pin (7) abuts against the lower layer circuit board (25) and the upper layer circuit board (27) and extrudes the circuit board positioning plate (6) to compress the spring (20) downwards, when the circuit board positioning plate (6) moves downwards to a second preset position, the concave pin (23) is electrically connected with the corresponding contact pin (26) on the lower layer circuit board (25), and the convex pin (28) is electrically connected with the pipe hole corresponding to the upper layer circuit board (27).
2. The circuit board testing device according to claim 1, wherein a switch (21) and a power input interface (22) are arranged on the box body (1), and the power input interface (22) is connected with an external power supply.
3. The circuit board testing device according to claim 1, wherein a limit screw (19) for limiting the rebound height of the circuit board positioning plate (6) is arranged on the tube pin fixing plate (24).
4. The circuit board testing device according to claim 1,
the tube needle fixing plate (24) is also provided with a first guide sleeve (3);
the circuit board positioning plate (6) is provided with a first guide pillar (4) corresponding to the first guide sleeve (3); the circuit board positioning plate (6) is positioned with the tube needle fixing plate (24) through the first guide sleeve (3) and the first guide pillar (4).
5. The circuit board testing device according to claim 1, wherein the circuit board positioning plate (6) is provided with a circuit board positioning nail (29) for positioning and placing the testing circuit board.
6. The circuit board testing apparatus of claim 1, further comprising:
the fixing columns (15) are correspondingly arranged on two sides of the box cover (2) respectively, and the fixing columns (15) are connected with the curved bar (11) through fixing plates (14) respectively;
the second guide post (17) is arranged in parallel with the fixed post (15), one end of the second guide post is fixed on the fixed post (15), and the other end of the second guide post is fixed on the box cover (2);
the second guide sleeve (18) corresponds to the second guide pillar (17) and is arranged on the top plate (8); the second guide post (17) penetrates through the second guide sleeve (18), and the top plate (8) moves up and down along the second guide post (17).
7. The device for testing the circuit board according to claim 6, wherein a guide post fixing plate (16) is arranged on the fixing post (15), and the second guide post (17) is connected with the fixing post (15) through the guide post fixing plate (16).
8. The circuit board testing device according to claim 1, wherein the pin fixing plate (24) is fixed to the box cover (2) by a screw (5).
9. A circuit board testing device according to claim 1, characterized in that the handle (13) is connected to the knee lever (11) and to the lifting lever (10) by means of a connecting piece (12).
10. The circuit board testing device according to claim 1,
the lead is arranged in the box body (1);
the box cover (2) is hinged with the box body (1);
the box is characterized in that a hasp is arranged on the box body (1), and the box cover (2) is buckled with the box body (1) through the hasp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027116.3A CN115372783A (en) | 2016-01-15 | 2016-01-15 | Circuit board testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610027116.3A CN115372783A (en) | 2016-01-15 | 2016-01-15 | Circuit board testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115372783A true CN115372783A (en) | 2022-11-22 |
Family
ID=84059828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610027116.3A Pending CN115372783A (en) | 2016-01-15 | 2016-01-15 | Circuit board testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115372783A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338366A (en) * | 2023-05-29 | 2023-06-27 | 中久光电产业有限公司 | Semiconductor laser VBG coupling process detection equipment |
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| JPH04359500A (en) * | 1991-06-05 | 1992-12-11 | Matsushita Electric Ind Co Ltd | Printed circuit board automatic adjustment inspection station |
| US20020043983A1 (en) * | 2000-10-18 | 2002-04-18 | Wei-Jen Cheng | Chip-testing socket using surface mount techinology |
| CN201327501Y (en) * | 2008-12-29 | 2009-10-14 | 河北华美光电子有限公司 | Work fixture for testing optical-electric module |
| CN201654182U (en) * | 2010-04-06 | 2010-11-24 | 北京京东方光电科技有限公司 | Substrate detecting equipment |
| CN202433494U (en) * | 2012-02-20 | 2012-09-12 | 上海晨兴希姆通电子科技有限公司 | Tool for testing sensor and printed circuit board of capacitive touch screen |
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-
2016
- 2016-01-15 CN CN201610027116.3A patent/CN115372783A/en active Pending
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| JPH04359500A (en) * | 1991-06-05 | 1992-12-11 | Matsushita Electric Ind Co Ltd | Printed circuit board automatic adjustment inspection station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116338366A (en) * | 2023-05-29 | 2023-06-27 | 中久光电产业有限公司 | Semiconductor laser VBG coupling process detection equipment |
| CN116338366B (en) * | 2023-05-29 | 2023-09-29 | 中久光电产业有限公司 | Semiconductor laser VBG coupling process detection equipment |
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