CN220983432U - Inductance testing device - Google Patents
Inductance testing device Download PDFInfo
- Publication number
- CN220983432U CN220983432U CN202322673580.8U CN202322673580U CN220983432U CN 220983432 U CN220983432 U CN 220983432U CN 202322673580 U CN202322673580 U CN 202322673580U CN 220983432 U CN220983432 U CN 220983432U
- Authority
- CN
- China
- Prior art keywords
- probe
- positioning
- positioning groove
- jig
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 38
- 239000000523 sample Substances 0.000 claims abstract description 109
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- WEJZHZJJXPXXMU-UHFFFAOYSA-N 2,4-dichloro-1-phenylbenzene Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=CC=C1 WEJZHZJJXPXXMU-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model belongs to the technical field of PCB board testing, and particularly relates to an inductance testing device which comprises a base, a positioning seat, a positioning jig, a bracket, a driving mechanism and a detection probe, wherein a plurality of first probe positioning grooves are formed in the base, a jig positioning groove and a second probe positioning groove are formed in the positioning seat, a containing groove and a third probe positioning groove are formed in the positioning jig, and the driving mechanism comprises a driving cylinder, a pressing plate, a guide sleeve and a guide rod. The utility model provides an inductance testing device, wherein a positioning jig acts on a first spring to form primary elastic buffer, a guide sleeve is in press contact with a second spring in the downward moving process to form secondary elastic buffer, a pressing plate presses a detection probe in contact with a PCB in the downward moving process of the positioning jig to perform inductance testing, and the first spring and the second spring have elastic buffer effects and can effectively prevent the detection probe and the PCB from being damaged, so that the testing efficiency and the service life of the detection probe are improved.
Description
Technical Field
The utility model belongs to the technical field of PCB testing, and particularly relates to an inductance testing device.
Background
In the prior art, the inductance test on the charger PCB has the following characteristics: 1. the number of the tested points is large; 2. the test points are compared to the layout and arrangement rules between points.
The existing PCB inductance testing device can only measure one inductance at a time, the whole PCB is to be tested, a large amount of time is spent, the testing efficiency is low, moreover, the risk of missing testing exists, poor PCB is mistakenly regarded as good PCB, the quality problem occurs in the PCB, and when the existing PCB inductance testing device moves down in the measuring process, the PCB is directly pressed down by the cylinder piston rod when the cylinder piston rod is directly contacted with the probe, the pressure on the PCB is overlarge, the PCB bears the pressure of the piston rod and directly acts on the probe, the probe and the PCB are easily damaged, and the testing efficiency and the service life of the probe are reduced.
Disclosure of utility model
The utility model aims to provide an inductance testing device, which aims to solve the technical problems that probes and a PCB (printed Circuit Board) are easy to damage in the prior art, and the testing efficiency and the service life of the probes are reduced.
In order to achieve the above objective, an inductance testing device provided by the embodiment of the utility model includes a base, a positioning seat, a positioning jig, a bracket, a driving mechanism and a detection probe, wherein the positioning seat and the bracket are both connected to the base, the positioning jig is arranged below the bracket and on the positioning seat, the driving mechanism is arranged on the bracket and above the detection probe, and the detection probe is provided with a plurality of detection probes and is arranged on the positioning seat;
The base is provided with a plurality of first probe positioning grooves, and the probes are arranged in the first probe positioning grooves;
The positioning seat is provided with a jig positioning groove and a second probe positioning groove, a plurality of first springs are arranged in the jig positioning groove, the first springs are connected with the positioning seat, the second probe positioning groove is provided with a plurality of first springs and is overlapped with the first probe positioning groove, and the probe is arranged in the second probe positioning groove;
The positioning jig is arranged in the jig positioning groove, the top end of the positioning jig extends out of the jig positioning groove, the bottom of the positioning jig is connected with the first spring, the positioning jig is provided with a containing groove and a third probe positioning groove, the plurality of third probe positioning grooves are arranged and are overlapped with the second probe positioning groove, and the detection probe sequentially penetrates through the first probe positioning groove, the second probe positioning groove and the third probe positioning groove;
The driving mechanism comprises a driving cylinder, a pressing plate, a guide sleeve and a guide rod, wherein the driving cylinder is connected to the support, the pressing plate is arranged above the positioning jig and connected to the driving cylinder, the guide sleeve is connected with the pressing plate and is connected to the guide rod in a sliding manner, the guide rod is connected to the base, a second spring is arranged on the outer side of the guide rod, and the second spring is arranged below the guide sleeve.
As an alternative scheme of the utility model, the diameters of the first probe positioning groove, the second probe positioning groove and the third probe positioning groove are the same, the central lines are on the same straight line, and the inner diameter of the first probe positioning groove is larger than the outer diameter of the detection probe.
As an alternative of the present utility model, the first springs are staggered with the detection probes.
As an alternative scheme of the utility model, two driving cylinders are arranged, are both connected to the bracket and are connected with the pressing plate.
As an alternative scheme of the utility model, two guide rods, two guide sleeves and two springs are arranged, and each guide rod is provided with one guide sleeve and one spring respectively.
As an alternative scheme of the utility model, a gap is formed between the detection probe and the side edge of the first probe positioning groove, and the size of the gap is 1-5mm.
The above technical solutions in an inductance testing device provided by the embodiments of the present utility model have at least one of the following technical effects:
The application provides an inductance testing device which comprises a base, a positioning seat, a positioning jig, a bracket, a driving mechanism and a detection probe, wherein a driving cylinder drives a pressing plate and a guide sleeve to move downwards, the pressing plate is abutted against the positioning jig, the positioning jig acts on a first spring to form primary elastic buffer, the guide sleeve is in press contact with a second spring in the downward moving process, and forms secondary elastic buffer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an inductance testing device according to an embodiment of the present utility model.
Fig. 2 is a partial enlarged view of a in fig. 1.
Wherein, each reference sign in the figure:
1. A base; 2. a positioning seat; 3. positioning jig; 4. a bracket; 5. a driving mechanism; 6. detecting a probe; 7. a PCB board;
11. A first probe positioning groove;
21. A jig positioning groove; 22. a second probe positioning groove; 23. a first spring;
31. A receiving groove; 32. a third probe positioning groove;
51. A driving cylinder; 52. a pressing plate; 53. guide sleeve; 54. a guide rod; 55. and a second spring.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.
In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
In one embodiment of the present utility model, as shown in fig. 1-2, an inductance testing device is provided, which includes a base 1, a positioning seat 2, a positioning jig 3, a support 4, a driving mechanism 5 and a detection probe 6, wherein the positioning seat 2 and the support 4 are fixedly connected to the base 1, the positioning jig 3 is disposed below the support 4 and is mounted on the positioning seat 2, the driving mechanism 5 is disposed on the support 4 and is disposed above the detection probe 6, and the detection probe 6 is provided in plurality and is mounted on the positioning seat 2. The base 1 is provided with a plurality of first probe positioning grooves 11, and probes are arranged in the first probe positioning grooves 11. The fixture positioning groove 21 and the second probe positioning groove 22 are formed in the positioning seat 2, a plurality of first springs 23 are arranged in the fixture positioning groove 21, the first springs 23 are fixedly connected with the positioning seat 2, the second probe positioning groove 22 is provided with a plurality of first probe positioning grooves 11 and is overlapped with the first probe positioning grooves 11, and the probes are arranged in the second probe positioning groove 22. Further, the first springs 23 of the inductance test device are staggered with the detection probes 6, and the first springs 23 and the detection probes 6 do not interfere with each other. Further, the detecting probe 6 of the inductance testing device has a gap with the side of the first probe positioning groove 11, and the gap is 1-5mm, preferably 3mm. The positioning jig 3 is placed in the jig positioning groove 21, and the top end extends out of the jig positioning groove 21, so that the pressing plate 52 can be smoothly in press-contact with the jig. The bottom of the positioning jig 3 is fixedly connected with the first spring 23, when the pressing plate 52 presses down the positioning jig 3, the first spring 23 has a primary buffer effect, and the damage to the detection probe 6 caused by overlarge pressure when the positioning jig 3 moves down is avoided. The positioning jig 3 is provided with the accommodating groove 31 and the third probe positioning groove 32, the third probe positioning groove 32 is provided with a plurality of probes and is overlapped with the second probe positioning groove 22, and the detection probes 6 sequentially penetrate through the first probe positioning groove 11, the second probe positioning groove 22 and the third probe positioning groove 32 to ensure that the detection probes 6 can smoothly penetrate through the positioning jig 3 to perform inductive detection on the PCB 7. The driving mechanism 5 comprises a driving cylinder 51, a pressing plate 52, a guide sleeve 53 and a guide rod 54, wherein the driving cylinder 51 is fixedly connected to the support 4, the pressing plate 52 is arranged above the positioning jig 3 and is fixedly connected to the driving cylinder 51, the side edge of the guide sleeve 53 is fixedly connected with the pressing plate 52 and is slidably connected to the guide rod 54, the guide rod 54 is fixedly connected to the base 1, a second spring 55 is arranged on the outer side of the guide rod 54, and the second spring 55 is arranged below the guide sleeve 53. Further, two driving cylinders 51 of the inductance testing device are fixedly connected to the bracket 4 and fixedly connected to the pressing plate 52.
In another embodiment of the present utility model, the diameters of the first probe positioning groove 11, the second probe positioning groove 22 and the third probe positioning groove 32 of the inductance test device are the same, and the center lines are on the same straight line, and the inner diameter of the first probe positioning groove 11 is larger than the outer diameter of the detection probe 6, so as to ensure that the detection probe 6 can smoothly pass through the first probe positioning groove 11, the second probe positioning groove 22 and the third probe positioning groove 32, and then contact with the PCB 7 to perform the inductance test.
In another embodiment of the present utility model, two guide rods 54, guide sleeves 53 and springs of the inductance testing device are provided, each guide rod 54 is provided with one guide sleeve 53 and one spring, and the guide rods 54 and the guide sleeves 53 are arranged at two side edges of the positioning jig 3, so that stability of the pressing plate 52 during moving is improved.
The application provides an inductance test device, which is characterized in that a pressure plate 52 and a guide sleeve 53 are driven by a driving cylinder 51 to move downwards, the pressure plate 52 is abutted against a positioning jig 3, the positioning jig 3 applies pressure to a first spring 23 to form primary elastic buffer, the guide sleeve 53 is in pressure contact with a second spring 55 in the downward moving process to form secondary elastic buffer, a detection probe 6 is in contact with a PCB 7 in the downward moving process of the positioning jig 3 by the pressure plate 52 to perform inductance test, and the first spring 23 and the second spring 55 have elastic buffer effects and can effectively prevent the detection probe 6 and the PCB 7 from being damaged, so that the test efficiency and the service life of the detection probe 6 are improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The inductance testing device is characterized by comprising a base, a positioning seat, a positioning jig, a support, a driving mechanism and detection probes, wherein the positioning seat and the support are connected to the base, the positioning jig is arranged below the support and on the positioning seat, the driving mechanism is arranged on the support and above the detection probes, and a plurality of detection probes are arranged on the positioning seat;
The base is provided with a plurality of first probe positioning grooves, and the probes are arranged in the first probe positioning grooves;
The positioning seat is provided with a jig positioning groove and a second probe positioning groove, a plurality of first springs are arranged in the jig positioning groove, the first springs are connected with the positioning seat, the second probe positioning groove is provided with a plurality of first springs and is overlapped with the first probe positioning groove, and the probe is arranged in the second probe positioning groove;
The positioning jig is arranged in the jig positioning groove, the top end of the positioning jig extends out of the jig positioning groove, the bottom of the positioning jig is connected with the first spring, the positioning jig is provided with a containing groove and a third probe positioning groove, the plurality of third probe positioning grooves are arranged and are overlapped with the second probe positioning groove, and the detection probe sequentially penetrates through the first probe positioning groove, the second probe positioning groove and the third probe positioning groove;
The driving mechanism comprises a driving cylinder, a pressing plate, a guide sleeve and a guide rod, wherein the driving cylinder is connected to the support, the pressing plate is arranged above the positioning jig and connected to the driving cylinder, the guide sleeve is connected with the pressing plate and is connected to the guide rod in a sliding manner, the guide rod is connected to the base, a second spring is arranged on the outer side of the guide rod, and the second spring is arranged below the guide sleeve.
2. The inductance testing device according to claim 1, wherein the first probe positioning groove, the second probe positioning groove and the third probe positioning groove have the same diameter, and the center lines are on the same straight line, and the inner diameter of the first probe positioning groove is larger than the outer diameter of the detection probe.
3. The inductance testing device of claim 1, wherein said first springs are staggered with respect to said sensing probes.
4. An inductance testing device according to claim 1, wherein two driving cylinders are provided, each of which is connected to the bracket and connected to the pressing plate.
5. An inductance testing device according to claim 1, wherein two guide rods, two guide sleeves and two springs are provided, one guide sleeve and one spring being provided on each guide rod.
6. The inductance testing device according to claim 1, wherein the detecting probe and the first probe positioning groove have a gap, and the gap is 1-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673580.8U CN220983432U (en) | 2023-09-28 | 2023-09-28 | Inductance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673580.8U CN220983432U (en) | 2023-09-28 | 2023-09-28 | Inductance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220983432U true CN220983432U (en) | 2024-05-17 |
Family
ID=91042341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322673580.8U Active CN220983432U (en) | 2023-09-28 | 2023-09-28 | Inductance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220983432U (en) |
-
2023
- 2023-09-28 CN CN202322673580.8U patent/CN220983432U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220983432U (en) | Inductance testing device | |
| CN216411517U (en) | Self-fixing quick-assembly inspection device for metal bipolar plate fuel cell stack | |
| CN208536721U (en) | A kind of cubing of automobile storage battery pallet | |
| CN109686287A (en) | A kind of the display panel test structure and jig of analog producing line multiple conversions signal | |
| CN202710618U (en) | Electric performance test fixture for one-driving-two circuit board | |
| CN212111673U (en) | Device for testing circuit board function | |
| CN110927616A (en) | Conductive positioning testing device on LED lamp tube testing production line | |
| CN219533280U (en) | Inductance test fixture | |
| CN208044021U (en) | A kind of precision measurement jig that shockproof effect is good | |
| CN216013229U (en) | Box for placing array probe for detecting near-surface defects of continuous oil pipe | |
| CN215728729U (en) | Double-basin-frame conduction detection jig | |
| CN211528614U (en) | Detection apparatus for electricity-saving lamp circuit board | |
| CN114487508A (en) | Detection equipment for ejector pin of function test fixture | |
| CN208953567U (en) | A kind of 5060 type flexible circuit board test fixtures | |
| CN214201564U (en) | Probe mounting seat for double-height detection device | |
| CN216718492U (en) | District intelligent terminal is with handing over to adopt board test needle bed | |
| CN217466247U (en) | Detection apparatus for pencil support spring | |
| CN209591488U (en) | A kind of the display panel test structure and jig of analog producing line multiple conversions signal | |
| CN213903755U (en) | Copper sulfate leakage current detection device of condenser guide pin | |
| CN218481110U (en) | Equipment for measuring optimal installation position and identification of earphone battery | |
| CN212694013U (en) | Mutual inductor finished product detection device | |
| CN219676129U (en) | COMe board voltage testing device | |
| CN210243786U (en) | PCB automatic detection jig | |
| CN219871494U (en) | Multi-probe measuring instrument and system | |
| CN215986369U (en) | Functional test fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |