CN211528483U - Circuit board test workbench - Google Patents
Circuit board test workbench Download PDFInfo
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- CN211528483U CN211528483U CN201922281350.0U CN201922281350U CN211528483U CN 211528483 U CN211528483 U CN 211528483U CN 201922281350 U CN201922281350 U CN 201922281350U CN 211528483 U CN211528483 U CN 211528483U
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- circuit board
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- carrying platform
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Abstract
The utility model relates to a circuit board test workbench, the on-line screen storage device comprises a base, be equipped with on the base with circuit board test point assorted elasticity thimble, microscope carrier guiding hole and elasticity footstock. The carrying platform is used for carrying a circuit board to be tested and is placed on the elastic supporting pins, probe through holes matched with the elastic supporting pins are formed in the carrying platform, and carrying platform guide columns matched with the carrying platform guide holes are arranged below the carrying platform and are inserted into the corresponding carrying platform guide holes. And the pressing piece is used for pressing down and fixing the circuit board to be tested and the carrier. The workbench of the utility model has simple structure, can conveniently and quickly clamp the circuit board, and simultaneously, can clamp the circuit board more firmly; the workbench is contacted with the test points on the circuit board through the elastic ejector pins, and the other end of the elastic ejector pin is connected with an external circuit board tester through a wire, so that the wire does not need to be welded on the via holes of the circuit board, the circuit board is very convenient to replace, and the efficiency can be greatly improved.
Description
Technical Field
The utility model relates to a circuit board test technical field, in particular to circuit board test workbench.
Background
In the production process of the nitrogen oxygen sensor, the control circuit board in the sensor is tested to be very important work. In the prior art, a universal meter or a circuit board tester is generally used for directly testing the voltage and the current between test points on a circuit board to judge whether the circuit board is qualified or not, and the testing method has the defect of low testing working efficiency. The circuit board tester utilizes software program to automatically detect, and the using method is that all test points on the circuit board are connected with the signal input end on the circuit board tester, the test program in a computer is operated, the test result is displayed through a computer display, good products are displayed as OK, and bad products are displayed as NG. However, when the circuit board tester is used for detecting the circuit board, the test points on the circuit board need to be connected with the signal input end on the tester at the same time, and the circuit board testing tool in the prior art is complex in structure or complex in operation and low in testing efficiency.
Reference patent:
circuit board test tools, application No. 200610167051.9;
circuit board tester, application No. 201310676513. X;
circuit board test equipment, application No. 201410692579.2;
circuit board test fixture and circuit board test system, application No. 201610173456.7.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circuit board test workbench for solve among the prior art to the problem that circuit board test work efficiency is low.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a circuit board test bench, comprising:
the test board comprises a base 1, wherein an elastic thimble 9 matched with a test point 17 on a circuit board 5 is arranged on the base 1, a carrying platform guide hole 7 is arranged on the base 1, and an elastic jacking leg 6 is arranged on the base 1;
the carrying platform 4 is used for carrying a circuit board 5 to be tested, and the carrying platform 4 is placed on the elastic supporting feet 6; a probe through hole 12 matched with the elastic thimble 9 is arranged on the carrier 4 and is used for the elastic thimble 9 to pass through; a carrier guide post 10 matched with the carrier guide hole 7 is arranged below the carrier 4, and the carrier guide post 10 is inserted into the corresponding carrier guide hole 7; and
the down pressing piece 2 is used for pressing down and fixing the circuit board to be tested 5 and the carrier 4; when the carrier 4 is pressed down, the elastic thimble 9 passes through the probe through hole 12 to be connected with the test point 17 on the circuit board 5 to be tested, and when the lower pressing part 2 is released, the carrier 4 rises under the resilience of the elastic thimble 9.
Further, a station slot 13 matched with the circuit board to be tested 5 is arranged on the carrier 4 and used for positioning and placing the circuit board to be tested 5.
Further, notches 16 are formed in two sides of the carrier 4, and the notches 16 extend to the station slot 13.
Furthermore, the base 1 is provided with a circuit board positioning column 8 matched with the positioning hole 18 on the circuit board 5, and the carrying platform 4 is provided with a positioning column through hole 11 matched with the circuit board positioning column 8.
Further, hold-down 2 includes presser 3, presser 3 passes through support 14 fixed mounting on base 1, the end of holding down of presser 3 is equipped with hold-down 2, the lower surface of hold-down 2 is equipped with tucking needle 15, when holding-down 2 pushes down the tucking needle 15 presses on the circuit board 5 of awaiting measuring.
Further, a pair of lower guide posts 19 is arranged on the bracket 14, and the lower member 2 is sleeved on the lower guide posts 19.
Furthermore, four elastic supporting feet 6 are arranged right below the carrying platform 4 in a rectangular shape.
Further, there are four stage guide holes 7, which are distributed at four corners right below the stage 4 in a rectangular shape.
The utility model has the advantages that: the workbench of the utility model has simple structure, can conveniently and quickly clamp the circuit board, and simultaneously, can clamp the circuit board more firmly; the workbench is in contact with a test point on the circuit board through the elastic thimble (particularly suitable for a through-hole test point), and the other end of the elastic thimble is connected with an external circuit board tester through a wire, so that the wire does not need to be welded on the through hole of the circuit board, the circuit board is very convenient to replace, and the efficiency can be greatly improved. The problem of among the prior art to circuit board test work efficiency low is solved. The utility model comprises a plurality of elastic components, which is more reliable than hard connection; and the operation process is simple and not easy to damage.
Drawings
Fig. 1 is an overall perspective view of a circuit board test bench.
Fig. 2 is a perspective view of the circuit board testing table with the carrier removed.
Fig. 3 is a partially enlarged schematic view of the circuit board testing station.
Fig. 4 is a perspective view of the stage.
Fig. 5 is a perspective view of the circuit board.
In the figure: the test device comprises a base 1, a pressing piece 2, a pressing device 3, a carrier 4, a circuit board 5, an elastic supporting leg 6, a carrier guide hole 7, a circuit board positioning column 8, an elastic ejector pin 9, a carrier guide column 10, a positioning column through hole 11, a probe through hole 12, a station groove 13, a support 14, a pressing pin 15, a notch 16, a test point 17, a positioning hole 18 and a pressing piece guide column 19.
Detailed Description
In order to better understand the present invention, the technical solution of the present invention is further described below with reference to the following embodiments.
A circuit board test station comprising:
the test device comprises a base 1, wherein elastic thimbles 9 matched with the positions and the number of test points 17 on a circuit board 5 are arranged on the base 1, and the elastic thimbles 9 are connected with an external circuit board tester through leads; four carrier guide holes 7 are formed in the base 1 and are distributed at four corners right below the carrier 4 in a rectangular shape; the base 1 is provided with an elastic supporting foot 6 which is arranged under the carrying platform 4 in a rectangular shape. The base 1 is also provided with circuit board positioning columns 8 matched with the positions and the number of the positioning holes 18 on the circuit board 5.
The carrying platform 4 is used for carrying a circuit board 5 to be tested, and the carrying platform 4 is placed on the elastic supporting feet 6; the carrying platform 4 is provided with a station groove 13 matched with the circuit board 5 to be tested and used for positioning and placing the circuit board 5 to be tested; notches 16 are formed in two sides of the carrier 4, and the notches 16 extend to the station slot 13. Probe through holes 12 matched with the positions, the number and the apertures of the elastic thimbles 9 are arranged on the carrier 4, and the elastic thimbles 9 penetrate through the probe through holes; and stage guide posts 10 matched with the positions and the number of the stage guide holes 7 are arranged below the stage 4, and the stage guide posts 10 are inserted into the corresponding stage guide holes 7. The carrying platform 4 is provided with positioning column through holes 11 matched with the positions and the number of the circuit board positioning columns 8, the positioning column through holes 11 are located at four corners of the station groove 13, and the circuit board positioning columns 8 are inserted into the positioning column through holes 11 of the circuit board to be tested 5 through the positioning column through holes 11.
And the lower pressing piece 2 is used for pressing down and fixing the circuit board to be tested 5 and the carrier 4. The lower pressing piece 2 comprises a pressing device 3, the pressing device 3 is fixedly installed on the base 1 through a support 14, the lower pressing end of the pressing device 3 is provided with the lower pressing piece 2, the lower surface of the lower pressing piece 2 is provided with a pressing pin 15, and when the lower pressing piece 2 presses down, the pressing pin 15 presses on the circuit board 5 to be tested. A pair of lower part guide posts 19 is arranged on the bracket 14, and the lower part 2 is sleeved on the lower part guide posts 19. When the carrier 4 is pressed down, the elastic thimble 9 penetrates through the probe through hole 12 to be connected with a test point 17 on the circuit board 5 to be tested, and when the lower pressing part 2 is released, the carrier 4 rises under the resilience force of the elastic thimble 9, so that the probe through hole 12 is separated from the circuit board 5 to be tested.
The utility model discloses a use and principle: (1) opening the circuit board tester, placing the circuit board 5 to be tested in the station slot 13, and inserting the circuit board positioning column 8 into the positioning column through hole 11 of the circuit board 5 to be tested; (2) the pressing device 3 is operated, the pressing piece 2 is pressed downwards, the press pin 15 is pressed on the circuit board 5 to be tested, the circuit board 5 to be tested and the carrier 4 are pressed downwards integrally, the elastic thimble 9 is connected with the corresponding test point 17 through the probe through hole 12, at the moment, the circuit board tester displays the corresponding state, if the circuit board is good, OK is displayed, and if the circuit board is bad, NG is displayed; (3) and (3) loosening the pressing device 3, lifting the carrier 4 under the action of the elastic thimble 9, separating the elastic thimble 9 from the test point 17 and withdrawing the probe perforation 12, and testing the next circuit board. (4) The elastic thimble 9 is flexible and can be used for balancing the force when the clamping device is clamped and released.
The above description is only an example of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the present invention is not limited to the above description.
Claims (8)
1. A circuit board test bench, comprising:
the test board comprises a base (1), wherein an elastic thimble (9) matched with a test point (17) on a circuit board (5) is arranged on the base (1), a carrying platform guide hole (7) is arranged on the base (1), and an elastic jacking pin (6) is arranged on the base (1);
the carrying platform (4) is used for carrying a circuit board (5) to be tested, and the carrying platform (4) is placed on the elastic supporting foot (6); a probe through hole (12) matched with the elastic thimble (9) is formed in the carrying platform (4) and is used for the elastic thimble (9) to pass through; a carrier guide post (10) matched with the carrier guide hole (7) is arranged below the carrier (4), and the carrier guide post (10) is inserted into the corresponding carrier guide hole (7); and
the pressing piece (2) is used for pressing and fixing the circuit board (5) to be tested and the carrier (4); when the carrier (4) is pressed down, the elastic thimble (9) penetrates through the probe through hole (12) to be connected with the test point (17) on the circuit board (5) to be tested, and when the lower pressing piece (2) is released, the carrier (4) rises under the effect of the resilience force of the elastic thimble (9).
2. The circuit board testing workbench according to claim 1, wherein the carrier (4) is provided with a station slot (13) matched with the circuit board (5) to be tested for positioning and placing the circuit board (5) to be tested.
3. A circuit board testing station according to claim 2, characterized in that the carrier (4) is provided with notches (16) on both sides, which notches (16) extend to the station slot (13).
4. The circuit board testing workbench according to claim 1, 2 or 3, wherein the base (1) is provided with circuit board positioning posts (8) matched with the positioning holes (18) on the circuit board (5), and the carrying platform (4) is provided with positioning post through holes (11) matched with the circuit board positioning posts (8).
5. The circuit board testing workbench according to claim 1, wherein the hold-down member (2) comprises a hold-down device (3), the hold-down device (3) is fixedly mounted on the base (1) through a bracket (14), the hold-down end of the hold-down device (3) is provided with the hold-down member (2), the lower surface of the hold-down member (2) is provided with a press pin (15), and the press pin (15) presses on the circuit board (5) to be tested when the hold-down member (2) is pressed down.
6. The circuit board testing station according to claim 5, wherein the support (14) is provided with a pair of lower guide posts (19), and the lower member (2) is sleeved on the lower guide posts (19).
7. The circuit board testing station according to claim 1, characterized in that the four resilient supporting feet (6) are arranged in a rectangular shape directly below the carrier (4).
8. The circuit board testing table according to claim 1, characterized in that the carrier guide holes (7) are four and are distributed in a rectangular shape at four corners right below the carrier (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281350.0U CN211528483U (en) | 2019-12-18 | 2019-12-18 | Circuit board test workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922281350.0U CN211528483U (en) | 2019-12-18 | 2019-12-18 | Circuit board test workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211528483U true CN211528483U (en) | 2020-09-18 |
Family
ID=72465820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922281350.0U Active CN211528483U (en) | 2019-12-18 | 2019-12-18 | Circuit board test workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211528483U (en) |
-
2019
- 2019-12-18 CN CN201922281350.0U patent/CN211528483U/en active Active
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