CN218122036U - Circuit board test fixture - Google Patents
Circuit board test fixture Download PDFInfo
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- CN218122036U CN218122036U CN202221657135.1U CN202221657135U CN218122036U CN 218122036 U CN218122036 U CN 218122036U CN 202221657135 U CN202221657135 U CN 202221657135U CN 218122036 U CN218122036 U CN 218122036U
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Abstract
The utility model discloses a circuit board test fixture, include: the testing box is a cuboid and comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, the upper ends of the first side plate, the second side plate, the third side plate and the fourth side plate are respectively connected with the bottom plate, the lower ends of the first side plate, the second side plate, the third side plate and the fourth side plate are respectively connected with the bottom plate, and the bottom plate is arranged in parallel; the power supply wiring terminal is used for connecting an external power supply and is arranged on the outer side of the first side plate; the power supply patch cord terminal is used for switching a power supply accessed from the power supply wiring terminal, the power supply patch cord terminal is arranged above the bottom plate, and the power supply patch cord terminal is electrically connected with the power supply wiring terminal; and the test end wiring terminal is used for connecting the tested circuit board and external test equipment and is arranged on the bottom plate.
Description
Technical Field
The utility model relates to a circuit board test field, in particular to circuit board test fixture.
Background
When the circuit board is tested, instruments such as a power supply and a signal generator need to be connected to the input end of the tested circuit board, instruments such as an oscilloscope and a universal meter need to be connected to the output end of the tested circuit board, at present, aiming at the test work of the small-sized customized circuit board, the connection of various cables often adopts a manual wiring mode, the complex wiring work not only reduces the efficiency of the test work, but also accelerates the abrasion of a test connector, and reduces the service life of a test tool.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a circuit board testing jig, which simplifies the circuit board testing work and prolongs the service life of the testing tool.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a circuit board test fixture, comprising: the testing box comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, the lower ends of the first side plate, the second side plate, the third side plate and the fourth side plate are respectively connected with the bottom plate, and the bottom plate is provided with a mounting seat for mounting a circuit board to be tested and a pressing clamp for pressing the circuit board to be tested; the power supply wiring terminal is used for connecting an external power supply and is arranged on the outer side of the first side plate; the power supply patch cord terminal is used for switching a power supply accessed from the power supply wiring terminal, is arranged above the bottom plate and is electrically connected with the power supply wiring terminal; and the test end wiring terminal is used for connecting the tested circuit board and external test equipment and is arranged on the bottom plate.
The circuit board test fixture further comprises a test indicator lamp used for displaying the test state of the tested circuit board, and the test indicator lamp is arranged in the test box.
In the circuit board test fixture, the power wiring terminals are at least one group, and each group of power wiring terminals comprises a positive wiring terminal and a negative wiring terminal.
In the circuit board test fixture, the power supply patch cord terminals are at least one group, and each group of power supply patch cord terminals comprises a positive patch cord terminal and a negative patch cord terminal.
In the circuit board test fixture, the test end wiring terminals are at least one group, and each group of test end wiring terminals comprises an anode test wiring terminal and a cathode test wiring terminal.
The circuit board test fixture further comprises a first cable for connecting the power supply wiring terminal and the power supply patch cord terminal.
The circuit board test fixture further comprises a second cable for connecting the power supply patch cord terminal and the circuit board to be tested.
The circuit board test fixture further comprises a third cable for connecting the tested circuit board and the test terminal wiring terminal.
The circuit board test fixture further comprises a fourth cable for connecting the test terminal wiring terminal and a test instrument.
In the circuit board test fixture, the bottom plate, the first side plate, the second side plate, the third side plate and the fourth side plate are all insulating plates.
Compared with the prior art, the method has the following beneficial effects:
before the test, a worker places a small circuit board to be tested on the mounting seat, the small circuit board to be tested is pressed tightly by rotating the pressing clamp, then the voltage of a power supply end or the output of a signal generator is connected into the power connection terminal, the power connection terminal is connected with the power connection terminal through a first cable, the power connection terminal is connected with the power input end or the signal input end of the circuit board to be tested through a second cable, the output test point of the circuit board to be tested is connected with the test end connection terminal through a third cable, and the test end connection terminal is connected with conventional detection instruments such as a universal meter and an oscilloscope through a fourth cable. The circuit board test fixture can reduce the number of wiring in each test, only the second cable needs to be connected with the power supply input end or the signal input end of the tested circuit board, and the output test point of the tested circuit board needs to be connected with the test terminal wiring terminal through the third cable, and the power supply or signal input instrument and the universal meter or oscilloscope do not need to be operated repeatedly, so that the technical effects of simplifying the work of circuit board test and prolonging the service life of the test tool are achieved.
Drawings
Fig. 1 is a schematic structural view of the circuit board testing jig provided by the present invention.
Description of the main element symbols:
the test box comprises a test box body 1, a bottom plate 2, a first side plate 3, a second side plate 4, a third side plate 5, a fourth side plate 6, a mounting seat 7, a pressing clamp 8, a power supply wiring terminal 9, a power supply patch cord terminal 10, a test end wiring terminal 11 and a test indicator lamp 12.
Detailed Description
The utility model provides a circuit board test fixture, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the embodiment is lifted to follow reference to the attached drawing the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.
Referring to fig. 1, a circuit board testing fixture includes:
a circuit board test fixture, comprising: the testing box 1 comprises a bottom plate 2, a first side plate 3, a second side plate 4, a third side plate 5 and a fourth side plate 6, wherein the lower ends of the first side plate 3, the second side plate 4, the third side plate 5 and the fourth side plate 6 are respectively connected with the bottom plate 2, and the bottom plate 2 is provided with a mounting seat 7 for mounting a circuit board to be tested and a pressing clamp 8 for pressing the circuit board to be tested; the power supply wiring terminal 9 is used for connecting an external power supply, and the power supply wiring terminal 9 is arranged on the outer side of the first side plate 3; the power supply patch cord terminal 10 is used for switching a power supply accessed from the power supply wiring terminal 9, the power supply patch cord terminal 10 is arranged above the bottom plate 2, and the power supply patch cord terminal 10 is electrically connected with the power supply wiring terminal 9; and the test terminal wiring terminal 11 is used for connecting a tested circuit board and external test equipment, and the test terminal wiring terminal 11 is arranged on the bottom plate 2.
Before the test is started, a worker places a small circuit board to be tested on the mounting base 7, presses the circuit board to be tested in a mode of rotating the pressing clamp 8, then connects the voltage of a power supply end or the output of a signal generator into the power supply wiring terminal 9, the power supply wiring terminal 9 is connected with the power supply switching wiring terminal 10 through a first cable, the power supply switching wiring terminal 10 is connected with the power supply input end or the signal input end of the circuit board to be tested through a second cable, the output test point of the circuit board to be tested is connected with the test end wiring terminal 11 through a third cable, and the test end wiring terminal is connected with conventional detection instruments such as a multimeter and an oscilloscope through a fourth cable. The circuit board test fixture can reduce the number of wiring in each test, only the second cable needs to be connected with the power supply input end or the signal input end of the tested circuit board and the power supply patch cord terminal 10, the output test point of the tested circuit board is connected with the test end wiring terminal 11 through the third cable, the power supply or signal input instrument and the universal meter or oscilloscope do not need to be operated repeatedly, and the technical effects of simplifying the work of circuit board test and prolonging the service life of the test tool are achieved.
In a further embodiment, the test box further comprises a test indicator light 12 for displaying the test state of the circuit board to be tested, and the test indicator light 12 is arranged in the test box 1.
In a further embodiment, the power terminals 9 are at least one group, and each group of the power terminals 9 includes a positive terminal and a negative terminal. Common test power supplies are 5V, 3.3V, 1.8V and the like, and testers lead out various voltage cables or probes from a power supply or a signal generator to be connected with the positive connecting terminal and the negative connecting terminal of the power supply connecting terminal 9 before the test is started according to actual requirements.
In a further embodiment, the power patch cord terminals 10 are at least one group, and each group of the power patch cord terminals 10 includes a positive patch cord terminal and a negative patch cord terminal. The power supply patch cord terminal 10 is used for switching a power supply or a signal source accessed by the power supply patch cord terminal 9, and a tester accesses the power supply patch cord terminal 10 from the power supply patch cord terminal 9 according to needs, for example, 5V and 3.3V are accessed to the power supply patch cord terminal 10 from the power supply patch cord terminal 9, or 1.8V is accessed to two groups of access positions of the power supply patch cord terminal 10 from the power supply patch cord terminal 9. The power supply patch cord terminal 10 achieves the technical effects of switching and tapping.
In a further embodiment, the test end connection terminals 11 are at least one group, and each group of the test end connection terminals 11 includes a positive test connection terminal and a negative test connection terminal. The test end wiring terminal is used for connecting the output end of the tested circuit board and common test instruments, such as a universal meter, an oscilloscope and the like. The tester sets one or more groups of the test wiring terminals 11 according to the requirement.
In a further embodiment, a first cable is included for connecting the power terminals 9 and the power patch terminals 10. The power connection terminal 9 and the power patch cord terminal 10 are electrically connected through the first cable. When the test work of a plurality of tested circuit boards is carried out, a worker only needs to configure the connection between the power supply end and the power supply test terminal 9 once without repeated configuration, and the technical effects of reducing the operation frequency of the power supply end, lightening the test workload and prolonging the service life of a power supply end instrument are achieved.
In a further embodiment, a second cable is included for connecting the power patch cord terminal 10 to a circuit board under test. The power adapter terminal 10 is electrically connected to the input terminal of the circuit board to be tested via the second cable. When the test work of a plurality of tested circuit boards is carried out, a worker only needs to adjust the second cable and the chuck of the tested circuit board each time, so that the operation of power supply ends is reduced, and the technical effect of quickly testing the circuit boards is achieved.
In a further embodiment, a third cable is included for connecting the circuit board under test and the test termination terminal 11. The output end of the tested circuit board is electrically connected with the test end wiring terminal 11 through the third cable. When the test work of a plurality of tested circuit boards is carried out, workers only need to adjust the third cable and the chuck of the tested circuit board each time, the operation of a test end is reduced, and the technical effect of quickly testing the circuit boards is achieved.
In a further embodiment, a fourth cable for connecting the test terminal connection terminal 11 and a test instrument is further included. The test end terminal 11 and the input end of the test instrument are electrically connected through the fourth cable. When the test work of a plurality of tested circuit boards is carried out, a worker only needs to configure the connection between the test end and the test end wiring terminal 11 once without repeated configuration, and the technical effects of reducing the operation frequency of the test end, lightening the test workload and prolonging the service life of a test end instrument are achieved.
In a further embodiment, the bottom plate 2, the first side plate 3, the second side plate 4, the third side plate 5 and the fourth side plate 6 are insulating plates. The insulation board guarantees that each binding post is insulating each other, guarantees that the safety of test goes on. Particularly, the bottom plate 2 is a transparent polyurethane rubber plate, and the transparent material plate is convenient for a tester to wire and observe.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.
Claims (10)
1. A circuit board test fixture, comprising:
the testing box comprises a bottom plate, a first side plate, a second side plate, a third side plate and a fourth side plate, the lower ends of the first side plate, the second side plate, the third side plate and the fourth side plate are respectively connected with the bottom plate, and the bottom plate is provided with a mounting seat for mounting a circuit board to be tested and a pressing clamp for pressing the circuit board to be tested;
the power supply wiring terminal is used for connecting an external power supply and is arranged on the outer side of the first side plate;
the power supply patch cord terminal is used for switching a power supply accessed from the power supply wiring terminal, is arranged above the bottom plate and is electrically connected with the power supply wiring terminal;
and the test end wiring terminal is used for connecting the tested circuit board and external test equipment and is arranged on the bottom plate.
2. The circuit board testing jig of claim 1, further comprising a test indicator light for indicating a testing status of the circuit board under test, the test indicator light being disposed within the test box.
3. The circuit board testing fixture of claim 1, wherein said power terminals are in at least one group, each group of said power terminals including a positive terminal and a negative terminal.
4. The circuit board test fixture of claim 1, wherein the power patch cord terminals are in at least one group, each group of the power patch cord terminals including a positive patch cord terminal and a negative patch cord terminal.
5. The circuit board test fixture of claim 1, wherein the test end terminal terminals are in at least one group, each group of the test end terminal terminals including a positive test terminal and a negative test terminal.
6. The circuit board test fixture of claim 1, further comprising a first cable for connecting the power connection terminals and the power patch cord terminals.
7. The circuit board test fixture of claim 1, further comprising a second cable for connecting the power patch cord terminals to a circuit board under test.
8. The circuit board test fixture of claim 1, further comprising a third cable for connecting the circuit board under test and the test termination wiring terminals.
9. The circuit board test fixture of claim 1, further comprising a fourth cable for connecting the test termination wiring terminals and a test instrument.
10. The circuit board test fixture of claim 1, wherein the bottom plate, the first side plate, the second side plate, the third side plate, and the fourth side plate are all insulating plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221657135.1U CN218122036U (en) | 2022-06-29 | 2022-06-29 | Circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221657135.1U CN218122036U (en) | 2022-06-29 | 2022-06-29 | Circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218122036U true CN218122036U (en) | 2022-12-23 |
Family
ID=84514811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221657135.1U Active CN218122036U (en) | 2022-06-29 | 2022-06-29 | Circuit board test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218122036U (en) |
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2022
- 2022-06-29 CN CN202221657135.1U patent/CN218122036U/en active Active
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