CN219456277U - Test fixture for three-terminal ceramic capacitor - Google Patents
Test fixture for three-terminal ceramic capacitor Download PDFInfo
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- CN219456277U CN219456277U CN202320674622.7U CN202320674622U CN219456277U CN 219456277 U CN219456277 U CN 219456277U CN 202320674622 U CN202320674622 U CN 202320674622U CN 219456277 U CN219456277 U CN 219456277U
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- ceramic capacitor
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- 239000003985 ceramic capacitor Substances 0.000 title claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 109
- 239000003990 capacitor Substances 0.000 claims description 11
- 229910052573 porcelain Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
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Abstract
The utility model provides a test fixture for a three-terminal ceramic capacitor, which comprises a base, a device seat, a first detection part, a second detection part and a linkage part, wherein the device seat is detachably arranged on the base, a placing groove for placing the three-terminal ceramic capacitor is arranged on the device seat, the first detection part and the second detection part can be arranged on the base in a sliding manner relative to the placing groove, a first detection needle and a second detection needle are respectively arranged at the end parts, close to the placing groove, of the first detection part and the second detection part, the linkage part is arranged between the first detection part and the second detection part, and when the test fixture works, the first detection part is pushed to drive the second detection part to slide through the linkage part, so that the first detection needle and the second detection needle simultaneously abut against two side surfaces of the three-terminal ceramic capacitor. The utility model can effectively clamp the three-terminal ceramic capacitor, ensure good electrical connection of the three-terminal ceramic capacitor, smoothly carry out various tests, and has simple structure and convenient operation.
Description
Technical Field
The utility model relates to a test fixture for a three-terminal ceramic capacitor.
Background
Before shipping, electronic devices require various tests to be performed to screen out defective individuals, such as capacitance, loss tangent, and insulation resistance tests, which typically require clamping of the electronic device with a clamp. However, since the three-terminal ceramic capacitor has a small size and has terminals on four sides, there is no test fixture available in the prior art.
Disclosure of Invention
The utility model provides a test fixture for a three-terminal ceramic capacitor, which can effectively clamp the three-terminal ceramic capacitor, ensure good electrical connection of the three-terminal ceramic capacitor, smoothly perform various tests, and has the advantages of simple structure and convenient operation.
The utility model is realized by the following technical scheme:
the utility model provides a test fixture for three-terminal porcelain dielectric capacitor, the on-line screen storage device comprises a base, the device seat, first detection portion, second detection portion and linkage portion, device seat detachably sets up on the base, and be provided with the standing groove of placing three-terminal porcelain dielectric capacitor on the device seat, first detection portion and second detection portion all can set up on the base with sliding relative to the standing groove, the tip that first detection portion and second detection portion are close to the standing groove is provided with first detection needle and second detection needle respectively, linkage portion sets up between first detection portion and second detection portion, the during operation promotes first detection portion, first detection portion drives the second detection portion through linkage portion and slides, so that first detection needle and second detection needle support simultaneously on three-terminal porcelain dielectric capacitor's both sides face, first detection needle, second detection needle and standing groove cooperation can effectively press from both sides tight three-terminal porcelain dielectric capacitor, guarantee three-terminal porcelain dielectric capacitor's good electricity and be connected, with various experiments smoothly, and simple structure, convenient operation, test result is accurate reliable, three-terminal dielectric capacitor places and takes out and is more simple, work efficiency is more convenient, can be changed to the device seat is more convenient.
Further, the first detection portion includes the first linear guide rail that sets up on the base, sets up the first slider on the first linear guide rail, sets up the first detection end on the first slider and sets up at first detection end rear side and the first wire of outside extension, first detection needle sets up at first detection end front side, rational in infrastructure.
Further, the second detection portion includes the second linear guide who sets up on the base, sets up the second slider on the second linear guide, sets up the second detection end on the second slider and sets up at second detection end rear side and the second wire of outside extension, the second detection needle sets up at second detection end front side, the extending direction mutually perpendicular of first linear guide and second linear guide, and first detection needle and second detection needle support respectively on the adjacent both sides face of three-terminal porcelain dielectric capacitor, and is rational in infrastructure.
Further, the linkage part comprises a linkage plate which is arranged on the front side of the first sliding block and protrudes outwards, a first inclined plane which is arranged on the inner side of the linkage plate, and a second inclined plane which is arranged on one side of the second sliding block close to the first sliding block, wherein the first inclined plane is inclined forwards, and the second inclined plane is matched with the first inclined plane, so that linkage is effectively realized, and the first detection needle and the second detection needle are simultaneously propped against the three-terminal ceramic capacitor.
Further, the second detection portion further comprises a fixing piece arranged on the base and a spring arranged between the fixing piece and the rear side of the second sliding block, when the second detection needle abuts against the side face of the three-terminal ceramic capacitor, the spring is stretched, the elastic force of the spring can assist in controlling the pushing force of movement, and therefore the first detection needle and the second detection needle can better contact the three-terminal ceramic capacitor, meanwhile, the spring can enable the second sliding block to reset, and the second sliding block drives the first sliding block to reset through the linkage mechanism.
Furthermore, the placing groove is provided with two abdicating grooves for the first detection needle and the second detection needle to be inserted to be contacted with the side face of the three-terminal ceramic capacitor, so that the first detection needle and the second detection needle can be conveniently contacted with the three-terminal ceramic capacitor, and the three-terminal ceramic capacitor can be conveniently placed in and taken out.
Further, a positioning and fixing mechanism is arranged between the device seat and the base.
Further, the cross section of device seat personally submits the rectangle, location fixed establishment is including setting up two reference columns on the base and setting up two locating holes on the device seat, and two locating holes set up respectively in the relative both corners department of device seat, and reference column position corresponds with the locating hole, and simple structure just effectively realizes the location and the fixed of device seat.
Furthermore, the first detection needle and the second detection needle are telescopic, and damage to the three-terminal ceramic capacitor can be avoided.
Furthermore, the base is made of polytetrafluoroethylene materials, and has the advantages of high temperature resistance, corrosion resistance, no toxicity and strong electrical insulation.
Drawings
The utility model is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic top view of the present utility model.
1, a base; 11. a boss; 2. a device mount; 21. a placement groove; 22. a relief groove; 23. positioning holes; 31. a first linear guide rail; 32. a first slider; 33. a first detection end; 34. a first detection needle; 35. a first terminal; 41. a second linear guide rail; 42. a second slider; 43. a second detection end; 44. a second detection needle; 45. a spring; 46. a fixing member; 47. a second terminal; 5. a linkage part; 51. a linkage plate; 52. a first inclined surface; 53. a second inclined surface; 6. three-terminal ceramic capacitor.
Detailed Description
As shown in fig. 1 to 2, the three-terminal ceramic capacitor 6 has a rectangular cross section, and four lead-out terminals thereof are respectively provided on four sides of the three-terminal ceramic capacitor 6. The test fixture for the three-terminal ceramic capacitor comprises a base 1, a device seat 2, a first detection part, a second detection part, a linkage part 5 and a positioning and fixing mechanism. The base 1 is made of polytetrafluoroethylene material, the device seat 2 is detachably arranged on the base 1 through a positioning and fixing mechanism, more specifically, the cross sections of the base 1 and the device seat 2 are rectangular, the device seat 2 is arranged at one corner of the base 1, the positioning and fixing mechanism comprises a protruding part 11 arranged at one corner of the base 1, two positioning columns arranged on the protruding part 11 at intervals and two positioning holes 23 arranged on the device seat 2 and matched with the two positioning columns, the two positioning holes 23 are respectively arranged at two opposite corners of the device seat 2, the positions of the positioning columns correspond to the positioning holes 23, and the positioning columns are inserted into the positioning holes 23 after the positioning holes 23 are aligned with the positioning columns, so that the installation of the device seat 2 is completed.
One corner of the upper end surface of the device seat 2 is provided with a placing groove 21 for placing the three-terminal ceramic capacitor 6, the first detection part and the second detection part are arranged on the base 1 in a sliding manner relative to the placing groove 21, the end parts of the first detection part and the second detection part, which are close to the placing groove 21, are respectively provided with a first detection needle 34 and a second detection needle 44, the placing groove 21 is provided with two giving-off grooves 22 for the first detection needle 34 and the second detection needle 44 to be inserted into contact with the side surface of the three-terminal ceramic capacitor 6 respectively, and the first detection needle 34 and the second detection needle 44 are telescopic so as to avoid damaging the leading-out end while well contacting with the leading-out end of the side surface of the three-terminal ceramic capacitor 6. The telescoping structure of the first and second probe needles 34, 44 is conventional.
The linkage part 5 is arranged between the first detection part and the second detection part, and the first detection part drives the second detection part to slide through the linkage part 5, so that the first detection needle 34 and the second detection needle 44 can simultaneously abut against two side surfaces of the three-terminal ceramic capacitor 6.
The first detecting portion includes a first linear guide 31 provided on the base 1, a first slider 32 provided on the first linear guide 31, a first detecting end 33 provided on the first slider 32, a first terminal 35 provided on a rear side of the first detecting end 33, and a first wire connected to the first terminal 35 and extending outward, and a first detecting needle 34 provided on a front side of the first detecting end 33. The second detecting portion includes a fixing member 46 provided on the base 1, a second linear guide 41 provided on the base 1 and located in front of the fixing member 46, a second slider 42 provided on the second linear guide 41, a second detecting end 43 provided on the second slider 42, a second terminal 47 provided on a rear side of the second detecting end 43, a second wire connected to the second terminal 47 and extending outward, and a spring 45 provided between the fixing member 46 and a rear side of the second slider 42, the second detecting needle 44 being provided on a front side of the second detecting end 43, the extending directions of the first linear guide 31 and the second linear guide 41 being mutually perpendicular, the first detecting needle 34 and the second detecting needle 44 being respectively abutted on both sides of the three-terminal ceramic dielectric container 6 adjacent.
The link 5 includes a link plate 51 provided at the front side of the first slider 32 and protruding outward, a first inclined surface 52 provided at the inner side of the link plate 51, and a second inclined surface 53 provided at the side of the second slider 42 close to the first slider 32, the first inclined surface 52 being inclined forward, the second inclined surface 53 being matched with the first inclined surface 52.
When the three-terminal ceramic capacitor 6 is operated, the three-terminal ceramic capacitor 6 is placed into the placing groove 21 by using tweezers, pushing force is applied to the first sliding block 32 by hands or other equipment to enable the first sliding block 32 to move relative to the placing groove 21, after the first inclined surface 52 and the second inclined surface 53 of the linkage plate 51 on the first sliding block 32 are contacted, the second sliding block 42 is driven to move relative to the placing groove 21, so that the first detecting needle 34 and the second detecting needle 44 simultaneously support against two adjacent side surfaces of the three-terminal ceramic capacitor 6, at the moment, the spring 45 is stretched, the elastic force of the spring 45 can assist in controlling the pushing force of the movement, so that the first detecting needle 34 and the second detecting needle 44 better contact the three-terminal ceramic capacitor 6, the first conducting wire and the second conducting wire are connected with corresponding test equipment to perform a test, after the test is completed, the pushing force applied to the first sliding block 32 is released, the second sliding block 42 is moved to an initial position under the reset action of the spring 45, and the first sliding block 32 is driven to return to the initial position through the first inclined surface 52 and the second inclined surface 53.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, i.e., the utility model is not to be limited to the details of the claims and the description, but rather is to cover all modifications which are within the scope of the utility model.
Claims (10)
1. A test fixture for three-terminal porcelain capacitor, its characterized in that: including base, device seat, first detection portion, second detection portion and linkage portion, device seat detachably sets up on the base, and be provided with the standing groove of placing three terminal porcelain dielectric capacitor on the device seat, first detection portion and second detection portion all can set up on the base with sliding relative to the standing groove, the tip that first detection portion and second detection portion are close to the standing groove is provided with first detection needle and second detection needle respectively, linkage portion sets up between first detection portion and second detection portion, first detection portion passes through linkage portion and drives second detection portion and slide, so that first detection needle and second detection needle support simultaneously on three terminal porcelain dielectric capacitor's both sides face.
2. A test fixture for a three terminal ceramic capacitor as defined in claim 1, wherein: the first detection portion comprises a first linear guide rail arranged on the base, a first sliding block arranged on the first linear guide rail, a first detection end arranged on the first sliding block and a first lead arranged at the rear side of the first detection end and extending outwards, and the first detection needle is arranged at the front side of the first detection end.
3. A test fixture for a three terminal ceramic capacitor as defined in claim 2, wherein: the second detection portion comprises a second linear guide rail arranged on the base, a second sliding block arranged on the second linear guide rail, a second detection end arranged on the second sliding block and a second lead arranged at the rear side of the second detection end and extending outwards, the second detection needle is arranged at the front side of the second detection end, the extending directions of the first linear guide rail and the second linear guide rail are mutually perpendicular, and the first detection needle and the second detection needle respectively abut against two adjacent side surfaces of the three-terminal ceramic capacitor.
4. A test fixture for a three terminal ceramic capacitor as defined in claim 2, wherein: the linkage part comprises a linkage plate, a first inclined surface and a second inclined surface, wherein the linkage plate is arranged on the front side of the first sliding block and protrudes outwards, the first inclined surface is arranged on the inner side of the linkage plate, the second inclined surface is arranged on one side, close to the first sliding block, of the second sliding block, the first inclined surface inclines forwards, and the second inclined surface is matched with the first inclined surface.
5. A test fixture for a three terminal ceramic capacitor as defined in claim 3 or 4, wherein: the second detection part further comprises a fixing piece arranged on the base and a spring arranged between the fixing piece and the rear side of the second sliding block, and the spring is stretched when the second detection needle abuts against the side face of the three-terminal ceramic capacitor.
6. A test fixture for a three terminal ceramic capacitor as claimed in claim 1 or 2 or 3 or 4, wherein: the placing groove is provided with two abdicating grooves which are respectively inserted by the first detection needle and the second detection needle to be contacted with the side face of the three-terminal ceramic dielectric capacitor.
7. A test fixture for a three terminal ceramic capacitor as claimed in claim 1 or 2 or 3 or 4, wherein: a positioning and fixing mechanism is arranged between the device seat and the base.
8. The test fixture for a three terminal ceramic capacitor of claim 7, wherein: the device seat cross section is rectangular, the location fixed establishment is including setting up two reference columns on the base and setting up two locating holes on the device seat, and two locating holes set up respectively in the relative both corners department of device seat, and the reference column position corresponds with the locating hole.
9. A test fixture for a three terminal ceramic capacitor as claimed in claim 1 or 2 or 3 or 4, wherein: the first detection needle and the second detection needle are telescopic.
10. A test fixture for a three terminal ceramic capacitor as claimed in claim 1 or 2 or 3 or 4, wherein: the base is made of polytetrafluoroethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320674622.7U CN219456277U (en) | 2023-03-30 | 2023-03-30 | Test fixture for three-terminal ceramic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320674622.7U CN219456277U (en) | 2023-03-30 | 2023-03-30 | Test fixture for three-terminal ceramic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219456277U true CN219456277U (en) | 2023-08-01 |
Family
ID=87421971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320674622.7U Active CN219456277U (en) | 2023-03-30 | 2023-03-30 | Test fixture for three-terminal ceramic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219456277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119335304A (en) * | 2024-12-20 | 2025-01-21 | 福建火炬电子科技股份有限公司 | A pulse power special ceramic capacitor test device |
-
2023
- 2023-03-30 CN CN202320674622.7U patent/CN219456277U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119335304A (en) * | 2024-12-20 | 2025-01-21 | 福建火炬电子科技股份有限公司 | A pulse power special ceramic capacitor test device |
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