CN219349017U - Test fixture for testing performance of power filter with connector - Google Patents
Test fixture for testing performance of power filter with connector Download PDFInfo
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- CN219349017U CN219349017U CN202223463516.9U CN202223463516U CN219349017U CN 219349017 U CN219349017 U CN 219349017U CN 202223463516 U CN202223463516 U CN 202223463516U CN 219349017 U CN219349017 U CN 219349017U
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- connector
- supporting seat
- power filter
- adapter
- bottom plate
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Abstract
The utility model discloses a testing tool for testing the performance of a power filter with a connector, which comprises a transverse bottom plate, a supporting seat, an adjustable compression assembly, an adapter sleeve and an adapter connector, wherein two mounting grooves are formed in the bottom plate, the lower end of the supporting seat and the lower end of the adjustable compression assembly are respectively arranged in the two mounting grooves, a supporting seat screw hole is formed in the middle of the supporting seat, the outer wall of one of the two ends of the adapter sleeve is connected with the supporting seat screw hole through external threads, a plurality of bidirectional contacts are arranged in the adapter connector, the adapter connector is arranged in the adapter sleeve, a connector convex ring is arranged on the outer wall of the circumference of the adapter connector, a sleeve convex ring is arranged on the inner wall of the adapter sleeve, the sleeve convex ring and the connector convex ring are provided with overlapped parts in the transverse direction, and the connector convex ring is positioned between the sleeve convex ring and the supporting seat. The utility model avoids the problem of damaging the connector on the power filter and effectively protects the connector of the power filter.
Description
Technical Field
The utility model relates to a power filter performance testing tool, in particular to a testing tool for testing the performance of a power filter with a connector.
Background
The power filter is a device which is formed by effectively filtering frequency points with specific frequency or frequencies outside the frequency points in a power line through a filter circuit consisting of filter elements (generally comprising a capacitor, an inductor and a resistor) to obtain a power signal with the specific frequency or eliminate the power signal with the specific frequency, and is also called a power EMI (Electromagnetic Interference electromagnetic interference) filter or an EMI power filter, and is a passive bidirectional network, one end of which is used for connecting a power supply and the other end of which is used for connecting a load. For example, in a dc regulated power supply, a power filter is used to reduce as much as possible the ac component in a pulsating dc voltage, and to maintain the dc component, so that the ripple coefficient of the output voltage is reduced and the waveform becomes smoother.
In order to improve the filtering effect of the power filter, more and more power filters are currently provided with connectors (electrical connectors, the contact elements of which are pins or jacks) at the input end (or the output end), when the power filter with the connectors generally needs to be tested for products between factories, signal connection (such as voltage application) is generally required to be performed at the input end (or the output end) of the power filter, and the conventional connection mode generally adopts a separate adapting electrical connector to be in plug connection with the connector on the power filter, and meanwhile, the adapting electrical connector is connected with a testing instrument, so that the following defects exist:
in order to meet the test requirement of products, the adapter connector and the connector on the power filter are required to be connected and disconnected for a plurality of times, and extra stress is easily generated in the repeated connection and disconnection plug operation to damage the contact element of the connector on the power filter, so that the product plug quality is affected; meanwhile, the repeated connection and disconnection plug operation can damage the surface coating of the shell of the connector on the power filter with high probability, so that the appearance quality of the product is affected, and the integral quality of the product before leaving the factory is finally affected.
Disclosure of Invention
The present utility model is directed to a testing tool for testing performance of a power filter with a connector, which can reduce the number of plugging times during testing to protect the connector of the power filter.
The utility model realizes the above purpose through the following technical scheme:
the utility model provides a test fixture for taking power filter performance test of connector, includes horizontal bottom plate, still includes supporting seat, adjustable hold-down subassembly, adapter sleeve and adapter connector, be equipped with mounting groove and vertically on the upper surface of bottom plate near the position at both ends respectively the lower extreme of supporting seat and the lower extreme that can the horizontal adjustment displacement adjustable hold-down subassembly installs respectively in these two mounting grooves, the middle part of supporting seat is equipped with horizontal supporting seat screw, be equipped with the external screw thread on the one end circumference outer wall in the adapter sleeve both ends and pass through this external screw thread with the supporting seat screw is connected, be equipped with a plurality of two-way contact spare in the adapter connector, adapter connector is arranged in the adapter sleeve, be equipped with the bellied connector bulge loop of outside circumference direction on the circumference outer wall of adapter connector, be equipped with on the inner wall of adapter sleeve to the bellied sleeve bulge loop of central line direction, the sleeve bulge loop with the connector bulge loop is in horizontal have overlapping part just the connector bulge loop is located between sleeve bulge loop and the supporting seat screw hole, the circumference corresponds with the circumference of adapter connector bulge loop and adapter connector bulge loop.
Preferably, in order to be convenient for reliably install the supporting seat and be convenient for hold and rotate the adapter sleeve, the supporting seat is rectangular plate just corresponding mounting groove on the bottom plate is square groove, the other end external diameter in adapter sleeve both ends is greater than its external diameter that has external screw thread one end.
Preferably, in order to facilitate the realization of reliable compressing and loosening functions for the power filter, the adjustable compressing assembly comprises a compressing seat, a compressing bolt, a guide rod and a pressing plate, wherein the lower end of the compressing seat is installed in a corresponding installation groove on the bottom plate, a transverse screw hole is formed in the middle of the compressing seat, a screw rod of the compressing bolt penetrates through the screw hole and then is connected with the vertical pressing plate, the screw rod of the compressing bolt and the pressing plate can rotate relatively circumferentially and cannot move relatively axially, the pressing plate is located between the compressing seat and the supporting seat, transverse guide through holes are formed in positions, located on two sides of the screw hole, of the compressing seat, one ends of the two transverse guide rods are connected with the pressing plate respectively, and the other ends of the two guide rods penetrate through the two guide through holes respectively.
Preferably, for the convenience of processing and assembly, the screw end of the compression bolt is provided with an outwardly protruding screw connecting section, the outer diameter of the screw connecting section is smaller than the screw outer diameter of the compression bolt and has no external thread, and the screw connecting section passes through a corresponding through hole on the pressing plate and then is connected with the bayonet lock.
Preferably, in order to protect the power filter, a pressing plate guard plate is arranged on the surface of one side, close to the supporting seat, of the pressing plate, a groove for placing the power filter is formed in the middle section of the upper surface of the bottom plate, and a bottom plate guard plate is arranged in the groove.
Preferably, in order to rapidly discharge condensed water of the power filter in the process of salt spray and other tests, vertical drainage through holes are respectively formed in the bottom plate and the bottom plate guard plate.
The utility model has the beneficial effects that:
according to the utility model, the supporting seat and the adjustable compression assembly are arranged on the bottom plate, the adapter sleeve is arranged on the supporting seat, the connection between the adapter sleeve and the supporting seat is realized by utilizing the threaded connection structure between the adapter sleeve and the supporting seat, the pushing and the limiting of the adapter connector towards the direction close to the supporting seat are realized, the adapter connector and the connector of the power filter to be tested are finally butted at one time, and then a plurality of test functions are completed through repeated insertion and extraction between the adapter connector and the test instrument, so that the problems of damaging the surface coating of the shell of the connector on the power filter and affecting the appearance quality and the integral quality of products caused by repeated insertion and extraction of the adapter connector and the power filter connector are avoided, and the connector of the power filter is effectively protected; meanwhile, concentricity among the connector of the power filter, the adapter sleeve and the adapter connector can be guaranteed through mechanical design, and extra stress can not be generated when the contact piece of the connector of the power filter is in butt joint with the contact piece of the adapter connector, so that the contact piece of the connector of the power filter can not be damaged.
Drawings
FIG. 1 is a schematic diagram of a front cross-sectional structure of a test fixture for testing the performance of a power filter with a connector according to the present utility model;
FIG. 2 is a schematic top view of a test fixture for testing performance of a power filter with a connector according to the present utility model;
fig. 3 is a schematic view of a partial enlarged structure between the support base, the connector, the adapter sleeve and the adapter connector of fig. 1.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1-3, the test fixture for testing the performance of the power filter with a connector according to the present utility model comprises a horizontal bottom plate 4, a supporting seat 13, an adjustable compression assembly, a switching sleeve 16 and an adapter connector 15, wherein the upper surface of the bottom plate 4 is provided with a mounting groove near two ends respectively, the lower end of the vertical supporting seat 13 and the lower end of the adjustable compression assembly capable of laterally adjusting displacement are respectively mounted in the two mounting grooves, the middle part of the supporting seat 13 is provided with a horizontal supporting seat screw hole (not labeled in the figure), the outer wall of one of the two ends of the switching sleeve 16 is provided with an external thread and is connected with the supporting seat screw hole through the external thread, the adapter connector 15 is internally provided with a plurality of bidirectional contacts 17, the bidirectional contacts 17 refer to contacts with plugging functions at the two ends, and can be one end jack and the other end pin, or both ends are pin jacks respectively, the adapter connector 15 is placed in the switching sleeve 16, the outer wall of the adapter connector 15 is provided with a connector convex ring 14 protruding towards the outer circumference, the outer wall of the adapter sleeve 15 is provided with a connector convex ring 14 protruding towards the outer circumference, the inner wall 16 is provided with a convex sleeve convex ring 18 corresponding to the connector convex ring 18 on the outer wall of the adapter sleeve 14, and the connector convex ring 18 is overlapped with the outer wall 18 of the connector convex ring 14 is positioned between the two connector convex ring and the outer wall 18.
As shown in fig. 1-3, the present utility model also discloses a number of more optimal specific structures:
in order to facilitate reliable installation of the support base 13 and convenient handheld rotation of the adapter sleeve 16, the support base 13 is a rectangular plate, and the corresponding installation groove on the bottom plate 4 is a square groove, and the outer diameter of the other end of the adapter sleeve 16 is larger than the outer diameter of the end with the external thread.
In order to facilitate the realization of reliable compressing and loosening functions to the power filter 10, the adjustable compressing assembly comprises a compressing seat 2, a compressing bolt 1, guide rods 3 and a pressing plate 5, wherein the lower end of the compressing seat 2 is installed in a corresponding installation groove on a bottom plate 4, a transverse screw hole (not marked in the drawing) is arranged in the middle of the compressing seat 2, a screw rod of the compressing bolt 1 penetrates through the screw hole and then is connected with the vertical pressing plate 5, the screw rod of the compressing bolt 1 and the pressing plate 5 can rotate relatively in the circumferential direction and cannot move relatively in the axial direction, the pressing plate 5 is positioned between the compressing seat 2 and a supporting seat 13, transverse guide through holes (not marked in the drawing) are respectively arranged at positions, which are positioned on the upper side and the lower side of the screw hole, of each of the compressing seat 2, one ends of each of the two transverse guide rods 3 are respectively connected with the pressing plate 5, and the other ends of each guide rod 3 respectively penetrate through two guide through holes.
For the convenience of processing and assembly, the screw rod tip of clamp bolt 1 is equipped with outside bellied screw rod link 6, and the external diameter of screw rod link 6 is less than the screw rod external diameter of clamp bolt 1 and does not have the external screw thread, and screw rod link 6 passes behind the corresponding through-hole on clamp plate 5 and is connected with bayonet lock 7.
In order to protect the power filter 10, a pressing plate guard plate 8 is arranged on one side surface of the pressing plate 5, which is close to the supporting seat 13, a groove for placing the power filter 10 is arranged in the middle section on the upper surface of the bottom plate 4, and a bottom plate guard plate 9 is arranged in the groove.
In order to rapidly discharge the condensate of the power filter 10 during the salt spray and other tests, vertical drainage through holes (not labeled in the figure) are respectively arranged on the bottom plate 4 and the bottom plate guard plate 9.
In use, as shown in fig. 1-3, the adapter sleeve 16 is first rotated to withdraw from the support base 13 and the adapter connector 15 is removed; placing the power filter 10 with the connector 11 at one end above the bottom plate guard plate 9, and inserting the connector 11 of the power filter 10 into the supporting seat screw hole of the supporting seat 13; the pressing bolt 1 is rotated to push the pressing plate 5 and the pressing plate guard plate 8 to move towards the direction approaching to the power filter 10 until the pressing plate guard plate 8 abuts the power filter 10 on the supporting seat 13, and at the moment, the mechanical installation of the power filter 10 is completed; then, one end of the contact 17 of the adapting electric connector 15 is connected with the contact 12 of the connector 11 of the power filter 10 in a rough alignment way, only the adapting sleeve 16 is slightly abutted, then the adapting sleeve 16 is inserted into a supporting seat screw hole of the supporting seat 13 and gradually screwed, the sleeve convex ring 18 is utilized to push the connector convex ring 14 to move towards the direction close to the supporting seat 13 until one end of the contact 17 of the adapting electric connector 15 and the contact 12 of the connector 11 of the power filter 10 are completely inserted into place, and then the rotating adapting sleeve 16 is stopped, thus the electric connection of the power filter 10 is completed; finally, the connecting terminal of the testing instrument is in butt joint with the contact piece 17 of the adapting electric connector 15, and then the relevant test can be started according to the requirement; in the testing process, the purpose of repeated plugging operation can be realized only by plugging and unplugging the connecting terminal of the testing instrument with the contact piece 17 of the adapter electric connector 15 according to the requirement, and the plugging and unplugging operation with the contact piece 12 of the connector 11 is not required again, so that the connector 11 of the power filter 10 is effectively protected.
The above embodiments are only preferred embodiments of the present utility model, and are not limiting to the technical solutions of the present utility model, and any technical solution that can be implemented on the basis of the above embodiments without inventive effort should be considered as falling within the scope of protection of the patent claims of the present utility model.
Claims (6)
1. A test fixture for taking power filter performance test of connector, including horizontal bottom plate, its characterized in that: still include supporting seat, adjustable hold-down subassembly, adapter sleeve and adapter electric connector, be equipped with mounting groove and vertically on the upper surface of bottom plate near the position at both ends respectively the lower extreme of supporting seat and can the horizontal displacement of adjusting hold-down subassembly install respectively in these two mounting grooves, the middle part of supporting seat is equipped with horizontal supporting seat screw, be equipped with the external screw thread on the one end circumference outer wall in the adapter sleeve both ends and be connected with the supporting seat screw through this external screw thread, be equipped with a plurality of two-way contact in the adapter electric connector, adapter electric connector arranges in adapter sleeve, be equipped with the bellied connector bulge loop of outside circumference on the circumference outer wall of adapter electric connector, be equipped with on the adapter sleeve's inner wall to the bellied sleeve bulge loop of centre line direction thereof, the sleeve bulge loop with the connector bulge loop transversely have overlap the part just the connector bulge loop be located between the supporting seat, the inner wall of sleeve bulge loop with the circumference of adapter electric connector corresponds.
2. The test fixture for testing the performance of a power filter with a connector according to claim 1, wherein: the supporting seat is a rectangular plate, the corresponding mounting groove on the bottom plate is a square groove, and the outer diameter of the other end of the two ends of the adapter sleeve is larger than the outer diameter of one end of the adapter sleeve with external threads.
3. The test fixture for power filter performance test with connector according to claim 1 or 2, wherein: the adjustable compression assembly comprises a compression seat, compression bolts, guide rods and a pressing plate, wherein the lower end of the compression seat is installed in a corresponding installation groove on the bottom plate, a transverse screw hole is formed in the middle of the compression seat, a screw rod of each compression bolt penetrates through the screw hole and then is connected with the corresponding pressing plate, the screw rod of each compression bolt and the pressing plate can rotate relatively in the circumferential direction and cannot move relatively in the axial direction, the pressing plate is located between the compression seat and the supporting seat, transverse guide through holes are formed in positions, located on two sides of the screw hole, of each pressing seat, one end of each guide rod is connected with the pressing plate, and the other end of each guide rod penetrates through two guide through holes.
4. A test fixture for power filter performance testing with connectors as claimed in claim 3, wherein: the screw rod end of the compression bolt is provided with an outwards protruding screw rod connecting section, the outer diameter of the screw rod connecting section is smaller than the screw rod outer diameter of the compression bolt and has no external threads, and the screw rod connecting section penetrates through the corresponding through hole on the pressing plate and then is connected with the clamping pin.
5. The test fixture for testing the performance of the power filter with the connector according to claim 4, wherein: the upper surface of the bottom plate is provided with a groove for placing a power filter, and the bottom plate guard plate is arranged in the groove.
6. The test fixture for testing the performance of the power filter with the connector according to claim 4, wherein: and vertical drainage through holes are respectively formed in the bottom plate and the bottom plate guard plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223463516.9U CN219349017U (en) | 2022-12-25 | 2022-12-25 | Test fixture for testing performance of power filter with connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223463516.9U CN219349017U (en) | 2022-12-25 | 2022-12-25 | Test fixture for testing performance of power filter with connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219349017U true CN219349017U (en) | 2023-07-14 |
Family
ID=87106474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223463516.9U Active CN219349017U (en) | 2022-12-25 | 2022-12-25 | Test fixture for testing performance of power filter with connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219349017U (en) |
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2022
- 2022-12-25 CN CN202223463516.9U patent/CN219349017U/en active Active
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