CN213457002U - Multi-terminal capacitor test fixture - Google Patents
Multi-terminal capacitor test fixture Download PDFInfo
- Publication number
- CN213457002U CN213457002U CN202021289922.6U CN202021289922U CN213457002U CN 213457002 U CN213457002 U CN 213457002U CN 202021289922 U CN202021289922 U CN 202021289922U CN 213457002 U CN213457002 U CN 213457002U
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- China
- Prior art keywords
- cover plate
- lower cover
- insulating
- terminal capacitor
- upper cover
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- 239000003990 capacitor Substances 0.000 title claims abstract description 48
- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 238000011056 performance test Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of electronic equipment, a multi-terminal capacitor test fixture is disclosed, including insulating upper cover plate, insulating lower cover plate and the connecting piece of connecting upper and lower cover plate, upper cover plate and lower cover plate level are placed, and the upper cover plate is equipped with a plurality of insulating elasticity butt parts, and the lower cover plate is equipped with a plurality of insulating locating parts, and the motion of multi-terminal electric capacity except perpendicular to lower cover plate is restricted to the locating part, and the locating part sets up with elasticity butt part one-to-one, and the bottom of each locating part all is equipped with the positive and negative electrode contact that is used for contacting the multi-terminal capacitor; all the positive electrode contacts are connected through positive conductive circuits, and all the negative electrode contacts are connected through negative conductive circuits; under the effect of connecting piece, elasticity butt spare butt multiple-end capacitor, the utility model discloses the effectual tradition of having solved presss from both sides tight not jail, the not good problem of laminating to multiple-end capacitor centre gripping.
Description
Technical Field
The utility model relates to an electronic equipment technical field particularly, relates to a multiterminal condenser test fixture.
Background
The multi-terminal capacitor is one of electronic components commonly used in the field of electronic equipment, and comprises a three-terminal element, an eight-terminal element and the like, and multi-directional performance tests such as an electrical performance test, a voltage resistance treatment test and a high-temperature and high-voltage aging screening test are required to be performed on the multi-terminal capacitor before delivery; when the performance test is carried out on the three-terminal element and the eight-terminal element, the capacitor is small in size and small in contact area. The current clamp has several problems: firstly, because the contact area is small and reliable clamping contact is difficult to guarantee, the electrode and the clamp are not firmly clamped, so that the electrode is damaged by sparking on the contact surface and even cannot be contacted at all; the contact surface of the electrode of the multi-terminal element and the clamp head is not well jointed, so that the external coating of the multi-terminal element is easily damaged and scraped off when external force is applied, and the appearance quality, the weldability and the electrical property test accuracy of the multi-terminal element are influenced; and thirdly, the multi-terminal element is small in size, and a common clamp is easy to slip and splash when being clamped.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multiterminal condenser test fixture for solve above-mentioned problem.
The utility model discloses a realize like this: a multi-terminal capacitor test fixture comprises an insulated upper cover plate, an insulated lower cover plate and a connecting piece for connecting the upper cover plate and the lower cover plate, wherein the upper cover plate and the lower cover plate are horizontally arranged, the upper cover plate is provided with a plurality of insulated elastic abutting parts, the lower cover plate is provided with a plurality of insulated limiting parts, the limiting parts limit the movement of a multi-terminal capacitor except the movement perpendicular to the lower cover plate, the limiting parts and the elastic abutting parts are arranged in a one-to-one correspondence manner, and the bottom of each limiting part is provided with a positive electrode contact and a negative electrode contact which; all the positive electrode contacts are connected through positive conductive circuits, and all the negative electrode contacts are connected through negative conductive circuits; under the action of the connecting piece, the elastic abutting piece abuts against the multi-terminal capacitor.
Further, the limiting piece comprises a groove and a protruding block.
Furthermore, the lower cover plate comprises a bottom plate and an insulating plate, wherein the bottom plate and the insulating plate are arranged from bottom to top and used for insulation, the insulating plate is provided with a limiting through hole penetrating through the insulating plate, the limiting through hole is matched with the bottom plate to form a groove, and each groove is in one-to-one correspondence with the elastic limiting pieces; and each bottom plate positioned in the limiting through hole is provided with a plurality of positive and negative electrode contacts, all the positive electrode contacts are connected through positive conductive circuits, and all the negative electrode contacts are connected through negative conductive circuits.
Further, the bottom plate is a PCB.
Furthermore, the connecting piece is a plurality of screw rods provided with nuts, a plurality of first connecting through holes are formed in the upper cover plate, a plurality of second connecting through holes are formed in the lower cover plate, the second connecting through holes are arranged corresponding to the first connecting through holes one by one, at least two screw rods penetrate through the first connecting through holes and the second connecting through holes which are correspondingly arranged, the upper cover plate and the lower cover plate are gathered together through the nuts at two ends, at least one screw rod is electrically connected with the positive conducting circuit, and at least one screw rod is electrically connected with the negative conducting circuit.
Furthermore, the nut on one side of the upper cover plate comprises a hexagon nut or a butterfly nut, and the nut on one side of the lower cover plate comprises a floating nut or a clamping nut.
Further, the elastic abutting part comprises a spring button, a spring, a soft rubber rod or a spring needle; the elastic abutting connection piece is made of an insulating material.
Furthermore, the connecting piece is an embedded electromagnetic lock, and two electromagnetic ends of the embedded electromagnetic lock are respectively arranged on the upper cover plate and the lower cover plate.
The utility model has the advantages that: the utility model provides a multi-terminal capacitor test fixture, through set up the locating part on the lower cover plate and be used for restricting the motion of the less multi-terminal capacitor of volume except perpendicular to lower cover plate to avoid the problem that the contact surface can't touch at all even that the landing, splash that contact between condenser and the anchor clamps are not firm bring, further, the elasticity locating part through the upper cover plate setting comes from the Z epaxial pressing capacitor, the motion of condenser has been restricted to the full degree of freedom; and a plurality of positive and negative electrode contacts are arranged at the bottom of the limiting part and used for contacting the positive and negative electrodes of the multi-terminal capacitor, so that the test is carried out.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a cross-sectional end view of the multi-terminal capacitor testing jig provided by the present invention in an unpressed state;
fig. 2 is a cross-sectional end view of the multi-terminal capacitor testing jig provided by the present invention in a press-fit state;
FIG. 3 is a second installation diagram of the multi-terminal capacitor testing fixture according to the present invention in an uncompressed state;
fig. 4 is a top view of a lower cover plate in the multi-terminal capacitor testing fixture provided by the present invention;
fig. 5 is a bottom view of the lower cover plate in the multi-terminal capacitor testing fixture provided by the present invention;
fig. 6 is a schematic view of a partial structure of a lower cover plate in the multi-terminal capacitor testing fixture provided by the present invention;
FIG. 7 is a schematic view of a partial structure of a bottom plate of the multi-terminal capacitor testing fixture provided by the present invention;
fig. 8 is a schematic structural diagram of a multi-terminal capacitor provided by the present invention;
in the figure: 10-a multi-terminal capacitor, 11-a positive conducting wire, 12-a negative conducting wire, 100-an upper cover plate, 200-a lower cover plate, 210-a bottom plate, 220-an insulating plate, 300-a screw, 310-a butterfly nut, 400-an elastic abutting part, 500-a groove and 510-a protruding block.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Example (b):
referring to fig. 1-2, a multi-terminal capacitor 10 test fixture includes an insulating upper cover plate 100, an insulating lower cover plate 200, and a connector connecting the upper cover plate 100 and the lower cover plate 200, where the upper cover plate 100 and the lower cover plate 200 are horizontally disposed, specifically, in this embodiment, the lower cover plate 200 includes a PCB bottom plate 210 and an insulating plate 220 for insulation, the insulating plate 220 is made of a material without requirement, the insulating plate 220 is provided with a limiting through hole penetrating through the insulating plate 220, the limiting through hole cooperates with the bottom plate 210 to form a groove 500, the groove 500 is used as a limiting part to realize the movement of the multi-terminal capacitor 10 except for the movement perpendicular to the lower cover plate, and the insulating plate can be replaced according to different products; it should be noted that, in other embodiments, the lower cover plate 200 with a two-layer structure may not be provided, and several protruding blocks 510 may be separately provided to limit the displacement of the multi-terminal capacitor 10, for example, four protruding blocks 510 are provided around the fixed position of the multi-terminal capacitor 10, so as to avoid the problem that the contact surface may not be contacted at all due to sliding and splashing caused by the infirm contact between the capacitor and the fixture.
The upper cover plate 100 is provided with a plurality of insulating elastic abutting parts 400 for pressing the multi-terminal capacitor 10 so as to limit the displacement of the multi-terminal capacitor 10 in the Z-axis direction, specifically, in the present embodiment, the elastic limiting part is a pogo pin, and the pin head of the pogo pin is provided with an insulating layer, it should be noted that the specific size and shape of the pogo pin are not particularly limited, and only the functional requirements of the elastic abutting parts 400 need to be satisfied, and in other embodiments, some materials with elastic deformation, such as soft rubber, can be used for pressing the multi-terminal capacitor 10; each groove 500 is arranged corresponding to a pogo pin one by one, so that each multi-terminal capacitor 10 is guaranteed to be pressed on the lower cover plate 200; each bottom plate 210 positioned in the limiting through hole is provided with a plurality of positive and negative electrode contacts, all the positive electrode contacts are connected through positive conductive circuits 11, and all the negative electrode contacts are connected through negative conductive circuits 12, it should be noted that, as shown in fig. 4-7, in order to avoid the problems of arc discharge and poor contact between capacitor electrodes, all the positive electrode contacts are equidistantly arranged according to the electrode distance of the capacitor to be measured, and the distance between all the positive electrode contacts connected to the positive conductive circuits is also equidistantly arranged; the negative electrode works in the same way.
Specifically, in this embodiment, the connecting member connecting the upper and lower cover plates 200 is a plurality of screws 300 provided with nuts, the upper cover plate 100 is provided with a plurality of first connecting through holes, the lower cover plate 200 is provided with a plurality of second connecting through holes, the second connecting through holes are arranged one by one with respect to the first connecting through holes, at least two screws 300 penetrate through the correspondingly arranged first connecting through holes and second connecting through holes to fix the upper and lower cover plates 200, the screws 300 gather the upper cover plate 100 and the lower cover plate 200 together through the nuts at both ends, the nut at one side of the upper cover plate 100 is a butterfly nut 310, the nut at one side of the lower cover plate 200 is a hexagon nut, and certainly, in order to facilitate placing the lower cover plate 200, as shown in fig. 3, the nut at one side of the lower cover plate 200 can also be a snap; the positive conductive circuit 11 is electrically connected with at least one screw 300, the negative conductive circuit 12 is electrically connected with at least one screw 300, and the multi-terminal capacitor 10 can be tested by connecting the positive electrode and the negative electrode on the screw 300. It should be noted that the connecting element only serves to gather the upper and lower cover plates 200, in other embodiments, on the premise that this requirement is met, two electromagnetic ends of an embedded electromagnetic lock may also be respectively disposed on the upper cover plate 100 and the lower cover plate 200, the upper and lower cover plates 200 are gathered by the embedded electromagnetic lock, and at this time, the output ends of the positive and negative conductive traces are separately provided with pins.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A multi-terminal capacitor test fixture is characterized by comprising an insulating upper cover plate, an insulating lower cover plate and a connecting piece for connecting the upper cover plate and the lower cover plate, wherein the upper cover plate and the lower cover plate are horizontally arranged, the upper cover plate is provided with a plurality of insulating elastic abutting parts, the lower cover plate is provided with a plurality of insulating limiting parts, the limiting parts limit the movement of a multi-terminal capacitor except the movement perpendicular to the lower cover plate, the limiting parts and the elastic abutting parts are arranged in a one-to-one correspondence manner, and the bottom of each limiting part is provided with a positive electrode contact and a negative electrode contact for contacting the multi-terminal capacitor; all the positive electrode contacts are connected through positive conductive circuits, and all the negative electrode contacts are connected through negative conductive circuits; under the action of the connecting piece, the elastic abutting piece abuts against the multi-end capacitor.
2. The multi-terminal capacitor test fixture of claim 1, wherein the retainer comprises a groove and a projection.
3. The multi-terminal capacitor test fixture of claim 2, wherein the lower cover plate comprises a bottom plate and an insulating plate, the bottom plate and the insulating plate are arranged from bottom to top, the insulating plate is provided with a limiting through hole penetrating through the insulating plate, the limiting through hole is matched with the bottom plate to form the grooves, and each groove is arranged in a one-to-one correspondence with the elastic abutting pieces; the positive and negative electrode contacts are arranged on the bottom plate in the limiting through hole.
4. The multi-terminal capacitor test fixture of claim 3, wherein the bottom plate is a PCB board.
5. The multi-terminal capacitor test fixture as claimed in claim 3, wherein the connecting member is a plurality of screws with nuts, the upper cover plate is provided with a plurality of first connecting through holes, the lower cover plate is provided with a plurality of second connecting through holes, the second connecting through holes are arranged in a one-to-one manner with respect to the first connecting through holes, at least two screws penetrate through the first connecting through holes and the second connecting through holes which are correspondingly arranged, the screws gather the upper cover plate and the lower cover plate together through the nuts at two ends, the positive conductive circuit is electrically connected with at least one screw, and the negative conductive circuit is electrically connected with at least one screw.
6. The multi-terminal capacitor test fixture of claim 5, wherein the nut on one side of the upper cover plate comprises a hex nut or a wing nut, and the nut on one side of the lower cover plate comprises a floating nut or a snap nut.
7. The multi-terminal capacitor test fixture of claim 6, wherein the resilient abutment comprises a spring button, a spring, a soft rubber rod, or a pogo pin; the elastic abutting connection piece is made of an insulating material.
8. The multi-terminal capacitor test fixture of claim 3, wherein the connecting member is an embedded electromagnetic lock, and two electromagnetic terminals of the embedded electromagnetic lock are respectively disposed on the upper cover plate and the lower cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021289922.6U CN213457002U (en) | 2020-07-03 | 2020-07-03 | Multi-terminal capacitor test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021289922.6U CN213457002U (en) | 2020-07-03 | 2020-07-03 | Multi-terminal capacitor test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213457002U true CN213457002U (en) | 2021-06-15 |
Family
ID=76371863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021289922.6U Active CN213457002U (en) | 2020-07-03 | 2020-07-03 | Multi-terminal capacitor test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213457002U (en) |
-
2020
- 2020-07-03 CN CN202021289922.6U patent/CN213457002U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A multi-terminal capacitor test fixture Effective date of registration: 20230131 Granted publication date: 20210615 Pledgee: Chenghua sub branch of Bank of Chengdu Co.,Ltd. Pledgor: Chengdu Hongke Electronic Technology Co.,Ltd. Registration number: Y2023510000037 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231205 Granted publication date: 20210615 Pledgee: Chenghua sub branch of Bank of Chengdu Co.,Ltd. Pledgor: Chengdu Hongke Electronic Technology Co.,Ltd. Registration number: Y2023510000037 |