CN219179555U - Circuit board detection device - Google Patents
Circuit board detection device Download PDFInfo
- Publication number
- CN219179555U CN219179555U CN202223521809.8U CN202223521809U CN219179555U CN 219179555 U CN219179555 U CN 219179555U CN 202223521809 U CN202223521809 U CN 202223521809U CN 219179555 U CN219179555 U CN 219179555U
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- needle
- hole
- board
- bonding pad
- plate
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electronic device detection, in particular to a circuit board detection device which is used for detecting a board to be detected, wherein the board to be detected is provided with a through hole bonding pad and a circuit unit electrically connected with the through hole bonding pad, and the circuit unit comprises: the spring needle unit, the needle plate, the carrier plate and the conductive piece are used for driving the carrier plate to move downwards by means of the needle plate to push downwards to drive the conductive piece to push down the through hole bonding pad of the board to be tested, so that the conductive piece is ensured to effectively push against the through hole bonding pad to form electric connection, the condition that the contact yield between the board to be tested and the spring needle unit is low is improved, the improvement of production efficiency is facilitated, and the conductive piece is transmitted to the circuit unit electrically connected with the first through hole bonding pad of the through hole bonding pad in a conductive way by virtue of the power supply circuit electrically connected with the first through hole bonding pad of the through hole bonding pad, so that the subsequent detection operation of the conductive piece contacting the through hole bonding pad of the board to be tested is facilitated.
Description
[ field of technology ]
The utility model relates to the technical field of electronic device detection, in particular to a circuit board detection device.
[ background Art ]
At present, aiming at the existing circuit board detection device, in the production test, the situation that the contact between the board to be tested and the spring needle is likely to not be completely touched is often caused, so that the test fails, but most of boards to be tested can pass the test after repeated test, the situation causes that the yield of the board to be tested is not high when the board to be tested is tested for the first time, so that a user needs to confirm repeated test for many times because the board to be tested is not completely touched with the spring needle, or the problem that the board to be tested actually appears is solved.
[ utility model ]
The utility model provides a circuit board detection device which is used for detecting a board to be detected, wherein the board to be detected is provided with a through hole bonding pad and a circuit unit electrically connected with the through hole bonding pad.
In order to solve the above technical problems, the present utility model provides a circuit board detection device, which includes: the spring needle unit is provided with a needle tube and a spring needle penetrating through the needle tube, and the spring needle is provided with an upper needle shaft penetrating through the upper part of the needle tube and a lower needle shaft penetrating through the lower part of the needle tube; the needle tube of the spring needle unit penetrates through the mounting hole and is fixedly arranged on the needle plate, and the upper needle shaft and the lower needle shaft of the spring needle are positioned on the upper side and the lower side of the needle plate; the carrier plate is provided with a base which extends towards the direction of the mounting hole of the needle plate and corresponds to the lower needle shaft of the spring needle, the lower needle shaft of the spring needle unit is connected with the base, and the carrier plate is used for carrying the spring needle unit and the needle plate; and the conducting piece is fixedly arranged on the lower side surface of the carrier plate and corresponds to the through hole bonding pad of the board to be tested, can be driven to abut against the through hole bonding pad and can form electric connection with the through hole bonding pad, and when the needle plate moves downwards to drive the carrier plate to abut against downwards to drive the conducting piece to press the through hole bonding pad of the board to be tested.
Specifically, the conductive member has a conductive body extending from the carrier toward the through hole pad, the conductive body has a conductive plate capable of pressing the through hole pad, and the carrier moves downward to drive the conductive plate of the conductive member to press the through hole pad of the board to be tested and electrically connect the conductive plate and the through hole pad.
In particular, the via pad is a cross-shaped pad.
Compared with the prior art, the circuit board detection device provided by the utility model has the advantages that the pin plate moves downwards to drive the carrier plate to push downwards to drive the conductive piece to push down the through hole bonding pad of the board to be detected, so that the conductive piece is ensured to effectively push against the through hole bonding pad to form electric connection, the condition that the contact yield between the board to be detected and the spring pin unit is not high is improved, the use is convenient, the use is quick, the practicability is good, the improvement of the production efficiency is facilitated, and the circuit board detection device is conductive and transmitted to the circuit unit electrically connected with the first through hole bonding pad of the through hole bonding pad through the conductive piece, so that the detection operation of the conductive piece contacting the through hole bonding pad of the board to be detected is facilitated.
[ description of the drawings ]
Other features and advantages of the utility model will be apparent from the following description of the embodiments with reference to the accompanying drawings, in which:
FIG. 1 is an exploded view of an embodiment of a circuit board inspection device according to the present utility model;
fig. 2 is an exploded view of a carrier plate driven by a needle plate moving downward in the embodiment;
FIG. 3 is a schematic diagram showing the carrier pushing down to drive a conductive member to push down a board to be tested; and
FIG. 4 is a schematic block diagram illustrating the connection between the conductive member and a via pad of the board under test in FIG. 3.
[ detailed description ] of the utility model
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. Before the present utility model is described in detail, it should be noted that in the following description, like components are denoted by the same reference numerals.
Referring to fig. 1-4, a circuit board inspection apparatus for inspecting a board 5 is disclosed as a preferred embodiment of the present utility model. The board 5 to be tested has a through hole pad 51 and a circuit unit 55 electrically connected to the through hole pad 51. The circuit board detection device comprises: a spring needle unit 1, the spring needle unit 1 has a needle tube 11 and a spring needle 12 penetrating through the needle tube 11. The pogo pin 12 has an upper pin 13 penetrating above the needle tube 11, and a lower pin 14 penetrating below the needle tube 11. A needle plate 2 is provided with a mounting hole 21 corresponding to the pogo pin unit 1. The needle tube 11 of the spring needle unit 1 penetrates through the mounting hole 21 and is fixedly arranged on the needle plate 2, and the upper needle shaft 13 and the lower needle shaft 14 of the spring needle 12 are positioned on the upper side and the lower side of the needle plate 2; a carrier plate 3 having a base 31 extending toward the mounting hole 21 of the needle plate 2 and corresponding to the lower needle shaft 14 of the pogo pin 12, the lower needle shaft 14 of the pogo pin unit 1 being connected to the base 31, and the carrier plate 3 carrying the pogo pin unit 1 and the needle plate 2; the conducting piece 4 is fixedly arranged on the lower side surface of the carrier plate 3 and corresponds to the through hole bonding pad 51 of the board 5 to be tested, the conducting piece 4 can be driven to abut against the through hole bonding pad 51 and can be electrically connected with the through hole bonding pad 51, and when the needle plate 2 moves downwards, the carrier plate 3 is driven to abut against downwards to drive the conducting piece 4 to press the through hole bonding pad 51 of the board 5 to be tested; in detail, the needle tube 11 of the pogo pin unit 1 is inserted through the mounting hole 21 of the needle plate 2, the needle plate 2 drives the pogo pin unit 1 to move downward, so that the lower needle shaft 14 of the pogo pin unit 1 abuts against the base 31 of the carrier 3, and when the needle plate 2 moves downward, the carrier 3 is driven to push downward, so as to drive the conductive member 4, the conductive member 4 presses down the through hole bonding pad 51 of the board 5 to be tested, so as to ensure that the conductive member 4 effectively abuts against the through hole bonding pad 51 to form electrical connection, thereby improving the condition of low contact yield between the board 5 to be tested and the pogo pin unit 1, and being beneficial to improving the production efficiency. In addition, in the present embodiment, since the board 5 to be tested has a through hole pad 51, the circuit board detection device drives a carrier 3 to push down to drive a conductive member 4 to press down the through hole pad 51 of the board 5 to be tested through a pin board 2 and a pogo pin unit 1 to form an electrical connection, but not limited thereto. According to practical requirements, for example, the board 5 to be tested has a plurality of through hole pads 51, so the circuit board detection device is designed to have a plurality of needle boards 2, a plurality of spring needle units 1, a plurality of carrier boards 3 and a plurality of conductive members 4, as long as the circuit board detection device drives each carrier board 3 to push down to drive each conductive member 4 to press down the corresponding through hole pad 51 through each needle board 2 and each spring needle unit 1 to form electrical connection.
In order to further describe the connection relationship between the conductive member 4 and the through hole pad 51 on the board 5 to be tested in this embodiment, the circuit unit 55 electrically connected to the through hole pad 51 will be described in detail. Firstly, a first switch 52 on the board 5 to be tested is closed, a power circuit 54 is used for providing power, so that a first through hole pad 511 connected with the power circuit 54 is electrically connected, a second switch 53 on the board 5 to be tested is disconnected, a second through hole pad 512 connected with the circuit unit 55 is not electrically connected, when the needle plate 2 moves downwards to drive the carrier plate 3 to push downwards to drive the conducting piece 4 to push down the through hole pad 51 of the board 5 to be tested, the first through hole pad 511 which is electrically connected is electrically transmitted to the second through hole pad 512 which is not electrically connected through the conducting piece 4, meanwhile, the second switch 53 selects a first circuit 56 of the circuit unit 55, so that the first through hole pad 511 which is electrically connected is electrically transmitted to the first circuit 56 of the second through hole pad 512 which is not electrically connected through the conducting piece 4, and the second through hole pad 512 are electrically connected, so that the conducting piece 4 is electrically connected, the efficiency of the conducting piece 4 is effectively improved, the contact efficiency of the board 1 is improved, the contact efficiency of the contact pin is improved, and the contact efficiency is improved.
As an alternative embodiment, the conductive member 4 has a conductive body 41 extending from the carrier 3 toward the through hole pad 51, the conductive body 41 has a conductive plate 42 capable of pressing against the through hole pad 51, the carrier 3 moves down to drive the conductive plate 42 of the conductive member 4 to press down the through hole pad 51 of the board 5 to be tested and electrically connect the conductive plate 42 and the through hole pad 51, in this embodiment, when the needle plate 2 moves down to drive the carrier 3 to press down to drive the conductive member 4 to press down the through hole pad 51 of the board 5 to be tested, the conductive plate 42 of the conductive member 4 presses against the through hole pad 51, the first switch 52 is closed to electrically connect the first through hole pad 511 connected with the power circuit 54, and the first circuit 56 electrically connected with the second through hole pad 512 is electrically connected via the conductive member 4, the second through hole pads 512 are electrically connected, but not limited to, only the first through hole pads 511 which are electrically connected are required to be electrically connected and transmitted to one circuit of the circuit unit 55 which is not electrically connected with the second through hole pads 512 through the conductive member 4, by means of the operation process, the conductive member 4 is ensured to be effectively pressed against the through hole pads 51 to form the electrical connection, and the condition that the contact yield between the board 5 to be tested and the spring needle unit 1 is not high is improved, however, by means of the operation process, the first switch 52 can be disconnected, the second switch 53 can be closed, and the second circuit 57 of the circuit unit 55 can be selected, so that the subsequent detection operation of detecting that the conductive member 4 contacts the through hole pads 51 of the board to be tested is facilitated, the use is convenient, the practicability is good, and the improvement of the production efficiency is facilitated.
As an alternative embodiment, the via pad 51 is a cross pad, however, the pad shape of the via pad 51 is not particularly required, only the via pad 51 needs to include a first via pad 511 and a second via pad 512, and the first via pad 511 is electrically connected to the power circuit 54, the second via pad 512 is electrically connected to the first circuit 56 and the second circuit 57 of the circuit unit 55, where the power circuit 54 is used for supplying power to the first via pad 511, the first circuit 56 is used for ensuring that the conductive member 4 is effectively pressed against the via pad 51 to form an electrical connection, and the second circuit 57 is used for detecting an external connection test of other aspects of the spring needle unit 1, but not limited thereto, and the embodiment is convenient to use and has good practicability.
However, as another alternative embodiment, the conductive member 4 has a bottom surface or a plane corresponding to the through hole pad 51, so that the bottom surface or the plane of the conductive member 4 covers the through hole pad 51, and by virtue of the above arrangement relationship, the conductive member 4 can be well covered on the through hole pad 51, so that the carrier 3 is ensured to push down to drive the conductive member 4 to effectively press down the through hole pad 51 of the board 5 to be tested, but not limited thereto, the use is convenient, and the improvement of the production efficiency is facilitated.
In summary, in the circuit board detection device of the present utility model, the pin board 2 moves down to drive the carrier board 3 to push down to drive the conductive member 4 to push down the through hole pad 51 of the board to be detected 5, so as to ensure that the conductive member 4 effectively pushes against the through hole pad 51 to form an electrical connection, improve the condition of low contact yield between the board to be detected 5 and the pogo pin unit 1, and is convenient to use, fast and practical, thereby being beneficial to improving the production efficiency, and facilitating the detection operation of subsequently detecting the contact of the conductive member 4 with the through hole pad 51 of the board to be detected 5 by the power circuit 54 electrically connected with the first through hole pad 511 of the through hole pad 51 and the circuit unit 56 electrically connected with the second through hole pad 512 of the through hole pad 51 through the conductive member 4.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (3)
1. A circuit board detection device is used for detecting a board to be detected, the board to be detected is provided with a through hole bonding pad and a circuit unit electrically connected with the through hole bonding pad, and is characterized by comprising:
the spring needle unit is provided with a needle tube and a spring needle penetrating through the needle tube, and the spring needle is provided with an upper needle shaft penetrating through the upper part of the needle tube and a lower needle shaft penetrating through the lower part of the needle tube;
the needle tube of the spring needle unit penetrates through the mounting hole and is fixedly arranged on the needle plate, and the upper needle shaft and the lower needle shaft of the spring needle are positioned on the upper side and the lower side of the needle plate;
the carrier plate is provided with a base which extends towards the direction of the mounting hole of the needle plate and corresponds to the lower needle shaft of the spring needle, the lower needle shaft of the spring needle unit is connected with the base, and the carrier plate carries the spring needle unit and the needle plate; and
The conducting piece is fixedly arranged on the lower side surface of the carrier plate and corresponds to the through hole bonding pad of the board to be tested, the conducting piece can be driven to abut against the through hole bonding pad and can form electric connection with the through hole bonding pad, and when the needle plate moves downwards to drive the carrier plate to abut against downwards to drive the conducting piece to press the through hole bonding pad of the board to be tested.
2. The circuit board inspection device according to claim 1, wherein the conductive member has a conductive body extending from the carrier toward the through hole pad, the conductive body has a conductive plate capable of pressing against the through hole pad, and the carrier moves downward to drive the conductive plate of the conductive member to press down the through hole pad of the board to be inspected and electrically connect the conductive plate with the through hole pad.
3. The circuit board inspection device of claim 1, wherein the via pads are cross-shaped pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521809.8U CN219179555U (en) | 2022-12-28 | 2022-12-28 | Circuit board detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223521809.8U CN219179555U (en) | 2022-12-28 | 2022-12-28 | Circuit board detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219179555U true CN219179555U (en) | 2023-06-13 |
Family
ID=86671687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223521809.8U Active CN219179555U (en) | 2022-12-28 | 2022-12-28 | Circuit board detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219179555U (en) |
-
2022
- 2022-12-28 CN CN202223521809.8U patent/CN219179555U/en active Active
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