CN220419493U - PCB board detects frock - Google Patents
PCB board detects frock Download PDFInfo
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- CN220419493U CN220419493U CN202321816256.0U CN202321816256U CN220419493U CN 220419493 U CN220419493 U CN 220419493U CN 202321816256 U CN202321816256 U CN 202321816256U CN 220419493 U CN220419493 U CN 220419493U
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- 238000001514 detection method Methods 0.000 claims abstract description 68
- 239000000523 sample Substances 0.000 claims abstract description 28
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000007935 neutral effect Effects 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims 1
- JAYCNKDKIKZTAF-UHFFFAOYSA-N 1-chloro-2-(2-chlorophenyl)benzene Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1Cl JAYCNKDKIKZTAF-UHFFFAOYSA-N 0.000 description 15
- 101100084627 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) pcb-4 gene Proteins 0.000 description 15
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of detection tools, and discloses a PCB detection tool, wherein each group of contacts to be detected on a PCB comprises at least three contacts, and the detection tool comprises: the base is provided with a guide post and a positioning structure, and is also provided with a first interface, a second interface, a third interface and a fourth interface; the lifting table is provided with a plurality of probes, and the probes are in one-to-one correspondence with contacts on the PCB, which are detected by the detection tool; the control knob is provided with a first touch point, a second touch point, a third touch point and a fourth touch point along the circumferential direction of the control knob and is respectively connected with the first interface, the second interface, the third interface and the fourth interface in a conductive manner; the base is provided with a plurality of conversion detection points which are in one-to-one correspondence with the plurality of probes and are in conductive connection, and the control knob can control the first touch point, the second touch point, the third touch point and the fourth touch point to be in electrical communication with the conversion detection points. The PCB detection tool has the advantages of high detection efficiency and convenience in operation.
Description
Technical Field
The utility model relates to the technical field of detection tools, in particular to a PCB detection tool.
Background
After the PCB is manufactured, it is generally necessary to test the PCB in order to ensure the functions and performances of the PCB.
In the prior art, the measurement of the electrical parameters of the PCB is generally carried out by manually detecting item by item through a universal meter, the test efficiency is lower, and particularly, when a plurality of detection points are arranged on one PCB, the detection is long in time. Some PCB boards need to carry out grouping detection to the check point, and include four check points in every group check point, need two people at this moment, two hands respectively with four table pens of two universal meters contact four check points, detect in proper order, detect convenient operation, and detection efficiency is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the technical problems to be solved by the utility model are as follows: the PCB detection tool is convenient to detect and high in detection efficiency.
The technical scheme adopted by the utility model for solving the technical problems is that a PCB board detection tool is provided, a plurality of groups of contacts to be detected by the detection tool are arranged on the PCB board, each group of contacts to be detected comprises at least three contacts, and the detection tool comprises:
the base is provided with a guide post and a positioning structure for positioning the PCB, and is also provided with a first interface, a second interface, a third interface and a fourth interface for connecting a universal meter;
the lifting platform is arranged on the guide post in a lifting manner and is positioned above the base, a plurality of probes are arranged on the lifting platform, and the probes correspond to the contacts on the PCB board, which are detected by the detection tool one by one;
the control knob is rotatably arranged on the base, a first touch point, a second touch point, a third touch point and a fourth touch point are arranged on the control knob along the circumferential direction of the control knob, and the first touch point, the second touch point, the third touch point and the fourth touch point are respectively in conductive connection with the first interface, the second interface, the third interface and the fourth interface;
the base is provided with a plurality of conversion detection points along the circumferential direction of the control knob, the plurality of conversion detection points are in one-to-one correspondence with the plurality of probes and are in conductive connection, and the control knob can control the first touch point, the second touch point, the third touch point and the fourth touch point to be in electrical communication with the conversion detection points.
Further, the control knob may control the first touch point, the second touch point, the third touch point, and the fourth touch point to be in electrical communication with the four transition detection points, respectively.
Further, each group of contacts to be detected on the PCB comprises a first contact, a second contact, a third contact and a fourth contact;
the first interface, the second interface, the third interface and the fourth interface are respectively connected with the pen-shaped probes of the four universal meters; the control knob can control the four meter pens to be respectively and electrically communicated with a first contact, a second contact, a third contact and a fourth contact in the same group of contacts to be detected.
Further, the control knob has a plurality of rotational steps, and a set of the contacts can be measured for each step of the control knob rotation.
Further, a neutral position is arranged on the base along the circumferential direction of the control knob, and when the control knob is in the neutral position, the first touch point, the second touch point, the third touch point and the fourth touch point are not electrically communicated with the transition detection point.
Further, the probes and the switching detection points are respectively connected in a conductive way through a plurality of wires.
Further, the lifting table and the base are provided with threading holes, and the conducting wires are arranged in the threading holes in a penetrating mode.
Further, the base is provided with a positioning seat, the positioning structure is a positioning groove formed in the positioning seat, the positioning seat is provided with a through groove along two sides of the positioning groove, and the two through grooves are communicated with the positioning groove.
Further, a guide sleeve is arranged on the lifting table and sleeved on the guide post, and the guide sleeve can move up and down along the guide post.
Compared with the prior art, the utility model has at least the following beneficial effects:
according to the utility model, a plurality of probes which are in one-to-one correspondence with the number of contacts to be detected by a tool of a PCB are arranged on a lifting table, when the lifting table moves downwards, the probes can be in one-to-one contact with the contacts, the probes are electrically connected to conversion detection points on a base through leads, the conversion detection points are in one-to-one correspondence with the probes and are electrically connected, in the use process, a pen of a universal meter is connected to four interfaces, when a control knob is in a neutral position, the four touch points on the control knob are not in contact with the conversion detection points, and each time the control knob is rotated to adjust by one step, the four touch points on the control knob are respectively in electrical communication with the four contacts of the same group on the PCB, so that the universal meter detects the four contacts; after the control knob rotates for a circle, the contact detection detected by the detection tool on the PCB is completed. The detection efficiency of the detection tool is high, and the operation is simple.
Drawings
Fig. 1 is a schematic structural view of a PCB board;
fig. 2 is a schematic structural diagram of the PCB board detection tool of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;
FIG. 4 is a schematic view of the structure of the base;
FIG. 5 is a schematic diagram of a control knob and a plurality of shift detection points and neutral positions.
In the figure:
1. a base; 11. a guide post; 12. a positioning seat; 120. a positioning structure; 121. a through groove; 13. a first interface; 14. a second interface; 15. a third interface; 16. a fourth interface; 17. a transition detection point; 18. a neutral position; 19. a threading hole;
2. a lifting table; 20. a probe; 21. guide sleeve; 201. a conductive wire;
3. a control knob; 31. a first touch point; 32. a second touch point; 33. a third touch point; 34. a fourth touch point;
4. a PCB board; 41. a first contact; 42. a second contact; 43. a third contact; 44. and a fourth contact.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
As shown in fig. 1, the PCB 4 of this embodiment has a plurality of sets of contacts to be detected by the tool to be detected, and each set of contacts to be detected includes at least three contacts. Specifically, the four rows of the PCB board 4 have 24 contacts for tooling detection, among the 24 contacts in the four rows, the 24 contacts are divided into 6 groups, the 24 contacts are detected by the detection tooling in 6 groups, each group of contacts includes four contacts, namely a first contact 41, a second contact 42, a third contact 43 and a fourth contact 44, and each detection tooling simultaneously detects the first contact 41, the second contact 42, the third contact 43 and the fourth contact 44 in each group of contacts. The lower part that detects by detecting the frock at four rows still is equipped with 8 contacts, and these 8 contacts do not need four contacts to detect simultaneously, can not detect by detecting the frock.
As shown in fig. 2-5, the PCB board 4 detection tool of this embodiment mainly includes: base 1, elevating platform 2 and control knob 3.
The base 1 is provided with a guide post 11 and a positioning structure 120 for positioning the PCB 4, specifically, the base 1 is provided with a positioning seat 12, the positioning structure 120 is a positioning groove formed in the positioning seat 12, the positioning seat 12 is provided with a through groove 121 along two sides of the positioning groove, and the two through grooves 121 are communicated with the positioning groove. In the use, after PCB board 4 is located in the constant head tank, conveniently detect the frock and detect, after detecting, the setting of both sides logical groove 121, conveniently take out PCB board 4 from the constant head tank. The base 1 is further provided with a first interface 13, a second interface 14, a third interface 15 and a fourth interface 16 for connecting a universal meter, specifically, the four interfaces can be respectively used for plugging four meter pens of the universal meter, after the four meter pens are plugged, the four meter pens are respectively electrically communicated with four touch points on the control knob 3, namely, by rotating one control knob 3, the contact positions of the four meter pens are switched simultaneously, one-man single-hand operation can be realized, and two people are not required to cooperate and detect.
The lifting platform 2 is arranged on the guide post 11 in a lifting manner and is positioned above the base 1, and specifically, a guide sleeve 21 is arranged on the lifting platform 2, the guide sleeve 21 is sleeved on the guide post 11, and the guide sleeve 21 can move along the guide post 11 in a lifting manner. At least two guide posts 11 and guide sleeves 21 are provided to ensure accurate guiding. The lifting table 2 is provided with a plurality of probes 20, the probes 20 are in one-to-one correspondence with the contacts detected by the detection tool on the PCB 4, and specifically, the contacts detected by the detection tool on the PCB 4 comprise 24 probes, so that the number of the probes 20 is 24. After the lifting platform 2 moves downwards for a certain distance, the 24 probes 20 are in one-to-one correspondence with 24 contacts to be detected on the PCB 4, and the contacts are electrically communicated.
The control knob 3 is rotatably disposed on the base 1, the control knob 3 is provided with a first touch point 31, a second touch point 32, a third touch point 33 and a fourth touch point 34 along the circumferential direction thereof, and the first touch point 31, the second touch point 32, the third touch point 33 and the fourth touch point 34 are respectively electrically connected with the first interface 13, the second interface 14, the third interface 15 and the fourth interface 16. After the four meter pens are plugged into the four interfaces, the four touch points on the knob correspond to the four meter pens, and detection work is carried out.
The base 1 is provided with a plurality of conversion detection points 17 along the circumferential direction of the control knob 3, the plurality of conversion detection points 17 are in one-to-one correspondence with the plurality of probes 20 and are in conductive connection, specifically, the plurality of probes 20 are in conductive connection with the plurality of conversion detection points 17 through a plurality of wires respectively, the lifting platform 2 and the base 1 are provided with threading holes 19, and the wires are threaded in the threading holes 19. It should be explained that, the base 1 of the present embodiment has 24 conversion detection points 17, the 24 conversion detection points 17 respectively correspond to 24 probes 20, and the 24 probes 20 correspond to 24 contacts detected by the detection tool on the PCB 4, that is, the 24 contacts arranged on the PCB 4 are converted into 24 conversion contact points circumferentially arranged along the control knob 3. The control knob 3 may control the first touch point 31, the second touch point 32, the third touch point 33, and the fourth touch point 34 to be in electrical communication with the transition detection point 17, so as to perform grouping detection on the detection tool.
Specifically, as shown in fig. 5, the control knob 3 has a plurality of rotational steps including one neutral step 18, and the control knob 3 in fig. 5 is in the neutral step 18, that is, when the control knob 3 is in the neutral step 18, none of the first touch point 31, the second touch point 32, the third touch point 33, and the fourth touch point 34 is in electrical communication with the shift detection point 17. Then, every time the control knob 3 rotates to adjust a gear, four touch points of the control knob 3 respectively contact four contacts of the same group, and a group of contacts can be measured. In actual use, the control knob 3 is electrically connected to the four switch detection points 17 by controlling the first touch point 31, the second touch point 32, the third touch point 33 and the fourth touch point 34, so as to detect the same group of four contacts (i.e. the first contact 41, the second contact 42, the third contact 43 and the fourth contact 44) on the PCB 4.
The working principle of the PCB 4 detection tool is as follows: the total four meter pens of the two multimeters are respectively inserted into the first interface 13, the second interface 14, the third interface 15 and the fourth interface 16; positioning the PCB 4 in the positioning groove, and descending the lifting platform 2 to enable the 24 probes 20 to respectively contact 24 contacts to be detected on the PCB 4; the control knob 3 is now in the neutral position 18. The control knob 3 is turned to make the first touch point 31, the second touch point 32, the third touch point 33 and the fourth touch point 34 respectively contact with four conversion detection points 17, and the four conversion contact points are corresponding to and electrically connected with a first contact 41, a second contact 42, a third contact 43 and a fourth contact 44 in the same group of contacts on the PCB 4, and the detection tool detects a group of contacts. With this circulation, after the control knob 3 rotates 6 times, the detection of 24 (6 groups of) contacts on the PCB 4 is completed, and the PCB 4 can be removed, the control knob 3 resumes the neutral position 18, and the next round of detection is performed on the next PCB 4 to be detected.
In this scheme, the detection efficiency of PCB board detection frock is high, convenient operation.
Claims (9)
1. The utility model provides a PCB board detects frock, have the multiunit on the PCB board wait detect the contact that the frock detected, every group wait to detect include at least three in the contact, its characterized in that, detect the frock includes:
the base is provided with a guide post and a positioning structure for positioning the PCB, and is also provided with a first interface, a second interface, a third interface and a fourth interface for connecting a universal meter;
the lifting platform is arranged on the guide post in a lifting manner and is positioned above the base, a plurality of probes are arranged on the lifting platform, and the probes correspond to the contacts on the PCB board, which are detected by the detection tool one by one;
the control knob is rotatably arranged on the base, a first touch point, a second touch point, a third touch point and a fourth touch point are arranged on the control knob along the circumferential direction of the control knob, and the first touch point, the second touch point, the third touch point and the fourth touch point are respectively in conductive connection with the first interface, the second interface, the third interface and the fourth interface;
the base is provided with a plurality of conversion detection points along the circumferential direction of the control knob, the plurality of conversion detection points are in one-to-one correspondence with the plurality of probes and are in conductive connection, and the control knob can control the first touch point, the second touch point, the third touch point and the fourth touch point to be in electrical communication with the conversion detection points.
2. The PCB inspection tool of claim 1, wherein the control knob is configured to control the first touch point, the second touch point, the third touch point, and the fourth touch point to be in electrical communication with the four transition inspection points, respectively.
3. The PCB inspection tool of claim 1, wherein each set of the contacts to be inspected on the PCB includes a first contact, a second contact, a third contact, and a fourth contact;
the first interface, the second interface, the third interface and the fourth interface are respectively connected with the pen-shaped probes of the four universal meters; the control knob can control the four meter pens to be respectively and electrically communicated with a first contact, a second contact, a third contact and a fourth contact in the same group of contacts to be detected.
4. A PCB inspection tool as in claim 3 wherein the control knob has a plurality of rotational steps and a set of the contacts is measurable for each step of rotation of the control knob.
5. The PCB inspection tool of claim 3 or 4, wherein a neutral position is provided on the base along a circumferential direction of the control knob, and when the control knob is in the neutral position, none of the first touch point, the second touch point, the third touch point, and the fourth touch point is in electrical communication with the transition inspection point.
6. The PCB inspection tool of claim 1, wherein a plurality of the probes are electrically connected to a plurality of the transition inspection points through a plurality of wires, respectively.
7. The PCB detection tool according to claim 6, wherein the lifting table and the base are provided with threading holes, and the lead wire is threaded in the threading holes.
8. The PCB detection tool according to claim 1, wherein the base is provided with a positioning seat, the positioning structure is a positioning groove formed in the positioning seat, the positioning seat is provided with a through groove along two sides of the positioning groove, and the two through grooves are communicated with the positioning groove.
9. The PCB detection tool according to claim 1, wherein a guide sleeve is arranged on the lifting table, the guide sleeve is sleeved on the guide post, and the guide sleeve can move up and down along the guide post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321816256.0U CN220419493U (en) | 2023-07-11 | 2023-07-11 | PCB board detects frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321816256.0U CN220419493U (en) | 2023-07-11 | 2023-07-11 | PCB board detects frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419493U true CN220419493U (en) | 2024-01-30 |
Family
ID=89651348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321816256.0U Active CN220419493U (en) | 2023-07-11 | 2023-07-11 | PCB board detects frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419493U (en) |
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2023
- 2023-07-11 CN CN202321816256.0U patent/CN220419493U/en active Active
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