CN214585851U - Printed circuit board testing device - Google Patents
Printed circuit board testing device Download PDFInfo
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- CN214585851U CN214585851U CN202120148605.0U CN202120148605U CN214585851U CN 214585851 U CN214585851 U CN 214585851U CN 202120148605 U CN202120148605 U CN 202120148605U CN 214585851 U CN214585851 U CN 214585851U
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- tube body
- circuit board
- printed circuit
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Abstract
The utility model discloses a printed circuit board testing device, which comprises at least two probe mechanisms, wherein at least two probe mechanisms are fixedly connected with a main frame; the probe mechanism comprises a first tube body, a second tube body and a third tube body, wherein the bottoms of the first tube body, the second tube body and the third tube body are closed, and the tops of the first tube body, the second tube body and the third tube body are open; the printed circuit board testing device is simple and reasonable in structure and convenient to install and use. The single-pin double-wire probe mechanism can simultaneously realize the detection of the resistance of the electric contact on the printed circuit board and the existence of open circuit. The provided supply mechanism has small floor area and high working efficiency. The continuous operability is good, the working efficiency can be improved, and the method is worthy of large-area popularization and application.
Description
Technical Field
The utility model relates to a check out test set technical field especially relates to a printed circuit board testing arrangement.
Background
A printed Circuit board (pcb), also called printed Circuit board (pcb), is an important electronic component, is a support for electronic components, is a carrier for electrical connection of electronic components, and is developed from single-layer to double-sided, multi-layer and flexible printed Circuit boards, and still keeps their own development trend. The PCB needs to be tested to judge whether the circuit board is good or not in the process of manufacturing the PCB. In the prior art, when a single-needle double-wire test is adopted, because the design of the conductive needle is unreasonable, the double wires are influenced to interfere with each other, and the accuracy of a detection result is influenced.
In addition, the equipment that is used for waiting to detect among the prior art and shifts the PCB board to testing platform adopts the line type transmission supply mode usually, causes the big scheduling problem of occupation area.
SUMMERY OF THE UTILITY MODEL
The utility model provides a printed circuit board testing arrangement.
The utility model provides a following scheme:
a printed circuit board testing apparatus comprising:
the at least two probe mechanisms are fixedly connected with the main frame; the probe mechanism comprises a first tube body, a second tube body and a third tube body, wherein the bottoms of the first tube body, the second tube body and the third tube body are closed, and the tops of the first tube body, the second tube body and the third tube body are open; the second tube body is sleeved inside the first tube body and connected through a first spring, the third tube body is sleeved inside the second tube body and connected with the second tube body in an insulated mode, a probe is formed inside the third tube body, and the probe is connected with the first tube body through a second spring; the first tube body and the probe are made of conductive materials, the first tube body is electrically connected with a current source, and the probe is electrically connected with a voltmeter;
and the printed circuit board supply mechanism is used for transferring the printed circuit board to be tested to the upper part of the probe mechanism and providing pressure for the printed circuit board to be tested, so that at least two electric contacts on the printed circuit board to be tested are respectively and electrically connected with at least two probe mechanisms which respectively comprise the first pipe bodies and the probes in a one-to-one correspondence mode.
Preferably: the printed circuit board supply mechanism comprises a vacuum chuck, and the vacuum chuck is used for adsorbing the printed circuit board to be tested.
Preferably: the printed circuit board supply mechanism further comprises a lifting rotating assembly, the lifting rotating assembly is connected with the vacuum chuck, and the lifting rotating assembly is used for driving the vacuum chuck to lift or rotate.
Preferably: the lifting rotating assembly is connected with the vacuum chuck through a connecting arm.
Preferably: the connecting arm has a multi-section telescopic structure.
Preferably: an insulating material filling layer is formed between the second tube and the third tube.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
through the utility model, a printed circuit board testing device can be realized, and in an implementation mode, the device can comprise at least two probe mechanisms, and at least two probe mechanisms are fixedly connected with a main frame; the probe mechanism comprises a first tube body, a second tube body and a third tube body, wherein the bottoms of the first tube body, the second tube body and the third tube body are closed, and the tops of the first tube body, the second tube body and the third tube body are open; the second tube body is sleeved inside the first tube body and connected through a first spring, the third tube body is sleeved inside the second tube body and connected with the second tube body in an insulated mode, a probe is formed inside the third tube body, and the probe is connected with the first tube body through a second spring; the first tube body and the probe are made of conductive materials, the first tube body is electrically connected with a current source, and the probe is electrically connected with a voltmeter; and the printed circuit board supply mechanism is used for transferring the printed circuit board to be tested to the upper part of the probe mechanism and providing pressure for the printed circuit board to be tested, so that at least two electric contacts on the printed circuit board to be tested are respectively and electrically connected with at least two probe mechanisms which respectively comprise the first pipe bodies and the probes in a one-to-one correspondence mode. The application provides a printed circuit board testing arrangement, simple structure is reasonable, installation convenient to use. The single-pin double-wire probe mechanism can simultaneously realize the detection of the resistance of the electric contact on the printed circuit board and the existence of open circuit. The provided supply mechanism has small floor area and high working efficiency. The continuous operability is good, and the working efficiency can be improved. Is worthy of large-area popularization and application.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a printed circuit board testing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic partial enlarged view provided by an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a probe mechanism provided in an unused state according to an embodiment of the present invention.
In the figure: the probe mechanism 1, the first tube 11, the second tube 12, the third tube 13, the probe 14, the first spring 15, the second spring 16, the current source 17, the voltmeter 18, the insulating material filling layer 19, the printed circuit board supply mechanism 2, the vacuum chuck 21, the lifting and rotating assembly 22, the connecting arm 23, the printed circuit board to be tested 3 and the electrical contact 31.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Examples
Referring to fig. 1, 2, and 3, for a printed circuit board testing apparatus provided in an embodiment of the present invention, as shown in fig. 1, 2, and 3, the apparatus may include:
the device comprises at least two probe mechanisms 1, wherein the at least two probe mechanisms 1 are fixedly connected with a main frame; the probe mechanism 1 includes a first tube 11, a second tube 12, and a third tube 13, wherein the respective bottoms of the first tube 11, the second tube 12, and the third tube 13 are closed and the tops thereof are open; the second tube body 12 is sleeved inside the first tube body 11 and connected through a first spring 15, the third tube body 13 is sleeved inside the second tube body 12 and connected in an insulated manner, a probe 14 is formed inside the third tube body 13, and the probe 14 is connected with the first tube body 11 through a second spring 16; the first tube 11 and the probe 14 are made of conductive materials, the first tube 11 is electrically connected with a current source 17, and the probe 14 is electrically connected with a voltmeter 18; in order to improve the insulation between the second tube and the third tube, an insulating material filling layer 19 is formed between the second tube 12 and the third tube 13.
The printed circuit board supply mechanism 2 is configured to transfer the printed circuit board 3 to be tested to the upper portion of the probe mechanism 1 and provide pressure to the printed circuit board 3 to be tested, so that at least two electrical contacts 31 on the printed circuit board 3 to be tested are electrically connected to at least two probe mechanisms 1, which respectively include the first pipe 11 and the probes 14, in a one-to-one correspondence manner.
Two adjacent probe mechanisms are used to perform circuit testing between two electrical contacts of the printed circuit board, the probes of the two probe mechanisms are connected to a voltmeter, and the two first tubes are connected to a current source. And pressing down the printed circuit board, and respectively pressing down the first spring and the second spring by the first tube body and the probe so that the first tube body and the probe are electrically connected with the contact. Because the probe and the first tube body are simultaneously contacted with the two electric contacts of the printed circuit board, the two probes can be connected with a voltmeter connecting wire to test the resistance, so that the accurate micro-resistance test effect is achieved, whether an electric loop exists between the two electric contacts can be accurately determined through the connecting wires of the two first tube bodies and the current source, and whether the printed circuit board is normal or not can be judged.
Further, the printed circuit board supply mechanism 2 comprises a vacuum chuck 21, and the vacuum chuck 21 is used for realizing the adsorption of the printed circuit board 3 to be tested. The printed circuit board is transferred by adopting a vacuum adsorption mode, so that the adsorption stability can be ensured, and the printed circuit board cannot be damaged. Further, the printed circuit board supply mechanism 2 further comprises a lifting and rotating assembly 22, wherein the lifting and rotating assembly 22 is connected with the vacuum chuck 21, and the lifting and rotating assembly 22 is used for driving the vacuum chuck 21 to lift or rotate. Adopt this lifting and drop rotating assembly can guarantee to wait to detect printed circuit board and probe mechanism and compress tightly, can make simultaneously shift behind the printed circuit board lifting after detecting the completion. The lifting and rotating assembly 22 is connected to the vacuum chuck 21 through a connecting arm 23. The connecting arm has a multi-section telescopic structure. The vacuum chuck is connected with the lifting rotating assembly through the connecting arm, the supply mechanism can be arranged on any one side of the probe mechanism, and the purpose of saving the space required by arrangement of the detection equipment is achieved. By adopting the telescopic structure, the placing position of the circuit board on the probe mechanism can be automatically adjusted by the supply mechanism, and the electric contact of the circuit board is ensured to be completely contacted with the probe mechanism.
In a word, the printed circuit board testing device provided by the application is simple and reasonable in structure and convenient to install and use. The single-pin double-wire probe mechanism can simultaneously realize the detection of the resistance of the electric contact on the printed circuit board and the existence of open circuit. The provided supply mechanism has small floor area and high working efficiency. The continuous operability is good, and the working efficiency can be improved. Is worthy of large-area popularization and application.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. A printed circuit board testing apparatus, comprising:
the at least two probe mechanisms are fixedly connected with the main frame; the probe mechanism comprises a first tube body, a second tube body and a third tube body, wherein the bottoms of the first tube body, the second tube body and the third tube body are closed, and the tops of the first tube body, the second tube body and the third tube body are open; the second tube body is sleeved inside the first tube body and connected through a first spring, the third tube body is sleeved inside the second tube body and connected with the second tube body in an insulated mode, a probe is formed inside the third tube body, and the probe is connected with the first tube body through a second spring; the first tube body and the probe are made of conductive materials, the first tube body is electrically connected with a current source, and the probe is electrically connected with a voltmeter;
and the printed circuit board supply mechanism is used for transferring the printed circuit board to be tested to the upper part of the probe mechanism and providing pressure for the printed circuit board to be tested, so that at least two electric contacts on the printed circuit board to be tested are respectively and electrically connected with at least two probe mechanisms which respectively comprise the first pipe bodies and the probes in a one-to-one correspondence mode.
2. The printed circuit board testing apparatus of claim 1, wherein the printed circuit board supply mechanism comprises a vacuum chuck for effecting suction of the printed circuit board element to be tested.
3. The printed circuit board testing apparatus of claim 2, wherein the printed circuit board supplying mechanism further comprises a lifting and rotating assembly, the lifting and rotating assembly is connected to the vacuum chuck, and the lifting and rotating assembly is used for driving the vacuum chuck to lift or rotate.
4. The printed circuit board testing apparatus of claim 3, wherein the elevating rotation assembly is connected to the vacuum chuck through a connecting arm.
5. The printed circuit board testing apparatus of claim 4, wherein the connecting arm has a multi-joint telescopic structure.
6. The printed circuit board testing apparatus of claim 1, wherein a filling layer of insulating material is formed between the second tube and the third tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148605.0U CN214585851U (en) | 2021-01-20 | 2021-01-20 | Printed circuit board testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120148605.0U CN214585851U (en) | 2021-01-20 | 2021-01-20 | Printed circuit board testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214585851U true CN214585851U (en) | 2021-11-02 |
Family
ID=78369756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120148605.0U Active CN214585851U (en) | 2021-01-20 | 2021-01-20 | Printed circuit board testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214585851U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116500321A (en) * | 2023-06-28 | 2023-07-28 | 深圳市微特精密科技股份有限公司 | Composite clamp for testing printed circuit board assembly |
-
2021
- 2021-01-20 CN CN202120148605.0U patent/CN214585851U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116500321A (en) * | 2023-06-28 | 2023-07-28 | 深圳市微特精密科技股份有限公司 | Composite clamp for testing printed circuit board assembly |
| CN116500321B (en) * | 2023-06-28 | 2023-08-18 | 深圳市微特精密科技股份有限公司 | Composite clamp for testing printed circuit board assembly |
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