CN212433334U - Power circuit board test fixture - Google Patents
Power circuit board test fixture Download PDFInfo
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- CN212433334U CN212433334U CN202021066084.6U CN202021066084U CN212433334U CN 212433334 U CN212433334 U CN 212433334U CN 202021066084 U CN202021066084 U CN 202021066084U CN 212433334 U CN212433334 U CN 212433334U
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- circuit board
- test
- needle bed
- power supply
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Abstract
The utility model discloses a power supply circuit board test fixture, which comprises a frame, wherein the frame comprises a base and a top plate, and a first guide post and a plurality of probes are arranged on the base; the needle bed is slidably arranged on the first guide column, and at least one accommodating groove is formed in the needle bed; the spring is sleeved on the first guide column and is respectively propped against the needle bed and the base; the cylinder is arranged on the top plate; the pressing plate is arranged at one end of the air cylinder and is provided with a plurality of pressing columns; the accommodating groove is provided with a plurality of small holes; the probe penetrates through the small hole to be close to or far away from the circuit board to be tested along with the up-and-down movement of the needle bed; in the power supply circuit board test fixture, the probe is abutted against the test contact of the power supply circuit board, the test signal is transmitted to the test equipment through the probe, and the test equipment judges whether each circuit board meets the requirement; the whole test can simultaneously test a plurality of power supply circuit boards, and the working efficiency is improved.
Description
Technical Field
The utility model relates to a technical field of circuit board test specifically is a power supply circuit board test fixture.
Background
In order to ensure the quality of electronic products absolutely, the voltage, current and other indexes of the electronic products must be detected and tested after production. At present, the power circuit board carries out single board detection, each single board needs to be taken and placed once, and the multiple taking and placing is worthless operation, so that the working efficiency is reduced.
Aiming at the situations, the power supply test equipment of some manufacturers is ATE, ATE is an automatic test system, and the ATE is suitable for the comprehensive performance test of AC input/DC output switching power supply products, has powerful functions, but is high in cost, and one equipment is one set of equipment with cost of hundreds of thousands to hundreds of thousands, so that the operation cost is greatly increased.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a power circuit board testing jig with low cost and high testing efficiency.
A power circuit board testing jig comprises
The device comprises a rack, a first guide post and a plurality of probes, wherein the rack comprises a base and a top plate;
the needle bed is slidably mounted on the first guide column, and at least one accommodating groove is formed in the needle bed;
the spring is sleeved on the first guide column and is respectively propped against the needle bed and the base;
the cylinder is arranged on the top plate;
the pressing plate is arranged at one end of the air cylinder and is provided with a plurality of pressing columns;
the accommodating groove is provided with a plurality of small holes;
the probe passes through the small hole to be close to or far away from the circuit board to be tested along with the up-and-down movement of the needle bed.
In one embodiment, the jig further comprises a display tube, and the display tube is mounted on the base and electrically connected with the circuit board.
In one embodiment, the jig further comprises a reset key, wherein the reset key is electrically connected with the circuit board and used for controlling the air cylinder to lift when a bad circuit board is found.
In one embodiment, the jig further comprises a test key, wherein the test key is electrically connected with the circuit board and used for selecting the number of the circuit board to start testing.
In one embodiment, the jig further comprises a second guide post, and the pressing plate is slidably mounted on the second guide post.
In one embodiment, the compression leg is made of a plastic material.
According to the power supply circuit board testing jig, the needle bed, the probes, the accommodating groove, the springs, the pressing plate and the air cylinder are arranged in a matched mode, the power supply circuit board connecting plate to be tested is placed in the accommodating groove, the power supply is started, the testing equipment is connected, the air cylinder controls the pressing plate to move towards the direction of the accommodating groove and tightly presses the power supply circuit board, the needle bed with the power supply circuit board is further made to move to the preset position towards the direction of the base, the probes abut against the testing contacts of the power supply circuit board, the probes transmit testing signals to the testing equipment, and the testing equipment judges whether each circuit board; whole test can once be got and put, tests a plurality of power supply line boards simultaneously, has improved work efficiency, and moreover, whole test fixture low in cost has practiced thrift the cost effectively.
Drawings
Fig. 1 is a schematic view of an assembly structure of a power circuit board testing fixture according to an embodiment of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in FIG. 1, a testing fixture for power circuit board comprises
The device comprises a machine frame 100, a first guide column 111 and a plurality of probes 112, wherein the machine frame comprises a base 110 and a top plate 120, and the base 110 is provided with the first guide column 111 and the probes;
the needle bed 200 is slidably mounted on the first guide column 111, and at least one accommodating groove 210 is formed in the needle bed 200;
the spring 300 is sleeved on the first guide column 111 and is respectively abutted against the needle bed 200 and the base 110;
a cylinder 400, the cylinder 400 being mounted on the top plate 120;
the pressing plate 500 is installed on one end of the air cylinder 400, and a plurality of pressing columns 510 are arranged on the pressing plate 500;
the accommodating groove 210 is provided with a plurality of small holes 211;
the probe 112 passes through the small hole 211 to be close to or far from the circuit board to be tested along with the up-and-down movement of the needle bed 200.
The connection terminal 700 is connected with an external test device, a circuit board is installed in the base 110, a control module is arranged on the circuit board, and the cylinder 400, the connection terminal 700 and the probe 112 are electrically connected with the circuit board through wires.
When the power supply circuit board needs to be tested, the single power supply circuit board is placed in the containing groove 210 after being spliced, the power supply is started, the air cylinder 400 controls the pressing plate 500 to move towards the containing groove 210 until the pressing column 510 presses the power supply circuit board, the air cylinder 400 controls the telescopic rod to continue to move towards the base 110, the needle bed 200 drives the power supply circuit board to slide to a preset position towards the base 110 on the first guide column 111, the compression spring 300 deforms the power supply circuit board, the probes 112 penetrate through the small holes 211 in the base 110 to abut against the contacts on the power supply circuit board, each circuit board is preset with a unique specified number, a test signal is transmitted to test equipment through the circuit board, and the control unit on the test equipment judges whether the single power supply circuit board is good or not. After the test is completed, the control module sends a control signal to the air cylinder 400 to pull the pressing plate 500 to move towards the top plate 120, and the spring 300 recovers deformation, so that the needle bed 200 recovers to the initial position.
Thus, the power circuit board testing jig places the power circuit board connecting plate to be tested into the containing groove 210 through the matching arrangement of the needle bed 200, the probe 112, the containing groove 210, the spring 300, the pressing plate 500 and the air cylinder 400, starts a power supply and is connected with a testing device, the air cylinder 400 controls the pressing plate 500 to move towards the containing groove 210 to press the power circuit board, the needle bed 200 with the power circuit board is further moved towards the base 110 to a preset position, the probe 112 abuts against a testing contact of the power circuit board, a testing signal is transmitted to the testing device through the probe 112, and the testing device judges whether each circuit board meets requirements or not; whole test can once be got and put, tests a plurality of power supply circuit boards simultaneously, has improved work efficiency. Moreover, the whole test fixture is low in manufacturing cost, and cost is effectively saved.
In one embodiment, in order to make the user judge the test condition more intuitively, the fixture further includes a display tube 800, and the display tube 800 is mounted on the base 110 and electrically connected to the circuit board.
Therefore, when the display tube 800 tests one power supply circuit board, the corresponding number is displayed on the display tube 800 and corresponds to the number on the test equipment, so that a user can visually see that the tested power supply circuit board is a good product or a defective product, and the test method is simple and convenient.
In one embodiment, the jig further comprises a reset key 113, wherein the reset key 113 is electrically connected with the circuit board and used for controlling the air cylinder 400 to lift when a bad circuit board is found.
Like this, when test equipment detects certain power supply circuit board and is the defective products, test equipment will stop to detect, if need take out the defective products, cylinder 400 at this moment can not rise by oneself, presses reset key 113, has sent control signal to control module, and control module sends control signal to cylinder 400, and cylinder 400 rises, continues the test after making things convenient for the operator to take out the defective products.
In one embodiment, in order to make the testing work simpler and more efficient, the fixture further includes a test key 114, and the test key 114 is electrically connected to the circuit board and is used for selecting the number of the circuit board to be tested.
the test key 114 is used to select the start number of the power supply circuit board to be tested, for example, if the test is to be performed from the power supply circuit board numbered 4, the test key needs to be pressed 4 times in succession, and the test equipment starts to perform the test from the 4 th power supply circuit board. After the defective products are taken out, the test key 114 with the corresponding times can be pressed according to the serial number of the power circuit board to be tested continuously, the test equipment can finish testing the power circuit board which is not tested, repeated testing is not needed, and the testing efficiency is improved.
In one embodiment, in order to stabilize the movement of the pressing plate 500, the jig further comprises a second guiding column 900, and the pressing plate 500 is slidably mounted on the second guiding column 900.
Thus, the second guide post 900 is arranged to enable the pressing plate 500 to slide on the second guide post 900 until the power circuit board to be tested is pressed, the pressing plate 500 cannot move randomly in the moving and pressing processes, and normal operation of testing is guaranteed.
In one embodiment, the compression leg 510 is made of a plastic material.
Thus, the compression leg 510 is made of plastic material, so that the compression leg 510 is not damaged by the power circuit board due to being too hard, and normal test is ensured.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (6)
1. The utility model provides a power supply circuit board test fixture which characterized in that: comprises that
The device comprises a rack, a first guide post and a plurality of probes, wherein the rack comprises a base and a top plate;
the needle bed is slidably mounted on the first guide column, and at least one accommodating groove is formed in the needle bed;
the spring is sleeved on the first guide column and is respectively propped against the needle bed and the base;
the cylinder is arranged on the top plate;
the pressing plate is arranged at one end of the air cylinder and is provided with a plurality of pressing columns;
the accommodating groove is provided with a plurality of small holes;
the probe passes through the small hole to be close to or far away from the circuit board to be tested along with the up-and-down movement of the needle bed.
2. The testing fixture for power circuit boards of claim 1, wherein: the jig further comprises a display tube, and the display tube is mounted on the base and electrically connected with the circuit board.
3. The testing fixture for power circuit boards of claim 1, wherein: the jig further comprises a reset key, wherein the reset key is electrically connected with the circuit board and used for controlling the cylinder to lift when a bad circuit board is found.
4. The testing fixture for power circuit boards of claim 1, wherein: the jig further comprises a test key, wherein the test key is electrically connected with the circuit board and used for selecting the number of the circuit board to start testing.
5. The testing fixture for power circuit boards of claim 1, wherein: the jig further comprises a second guide post, and the pressing plate is slidably mounted on the second guide post.
6. The testing fixture for power circuit boards of claim 4, wherein: the compression column is made of plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021066084.6U CN212433334U (en) | 2020-06-10 | 2020-06-10 | Power circuit board test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021066084.6U CN212433334U (en) | 2020-06-10 | 2020-06-10 | Power circuit board test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212433334U true CN212433334U (en) | 2021-01-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021066084.6U Active CN212433334U (en) | 2020-06-10 | 2020-06-10 | Power circuit board test fixture |
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| CN (1) | CN212433334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739705A (en) * | 2022-11-18 | 2023-03-07 | 浙江华邦电子有限公司 | Full-automatic circuit board test equipment |
-
2020
- 2020-06-10 CN CN202021066084.6U patent/CN212433334U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115739705A (en) * | 2022-11-18 | 2023-03-07 | 浙江华邦电子有限公司 | Full-automatic circuit board test equipment |
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