CN210834972U

CN210834972U - Filter test tool

Info

Publication number: CN210834972U
Application number: CN201921298470.5U
Authority: CN
Inventors: 苟于华
Original assignee: Chengdu Yuxi Electronic Technology Co ltd
Current assignee: Chengdu Yuxi Electronic Technology Co ltd
Priority date: 2019-08-12
Filing date: 2019-08-12
Publication date: 2020-06-23
Anticipated expiration: 2029-08-12

Abstract

The utility model belongs to the technical field of filter testing, in particular to a filter testing tool, which comprises a testing panel, a testing bracket and a sliding bracket, wherein threaded holes are arranged on the testing bracket and the testing panel, the testing bracket is fixedly arranged on the testing panel through the matching of a fixing screw and the threaded holes, one side of the two testing brackets which are opposite is provided with a strip-shaped groove, convex edges are welded on both sides of the sliding bracket, the sliding bracket is movably arranged between the two testing brackets through the matching of the convex edges and the strip-shaped groove, one side of the top of the testing panel is fixedly provided with a fixed SMA connector, a sliding groove is arranged in the sliding bracket, a limit groove is arranged in the sliding groove, and a movable SMA connector is movably arranged in the sliding groove. Can match products of various lengths.

Description

Filter test tool

Technical Field

The utility model belongs to the technical field of the wave filter test, concretely relates to wave filter test fixture.

Background

The filter is a device for filtering waves, generally comprises a capacitor, an inductor and a resistor, and can effectively filter a frequency point of a specific frequency in a power line or frequencies except the frequency point so as to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency;

however, the existing test of the surface-mounted filter has the problems of poor port contact and poor grounding, the accuracy of test indexes of the filter is seriously influenced, the lengths are inconsistent, the test tool is a special test tool in the early stage, the application range is small, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a wave filter test fixture, it is more accurate and application range is wider to have the test, can match the characteristics of the product of multiple length.

In order to achieve the above object, the utility model provides a following technical scheme: a filter testing tool comprises a testing panel, testing supports and sliding supports, wherein threaded holes are formed in the testing supports and the testing panel, the testing supports are fixedly mounted on the testing panel through the matching of fixing screws and the threaded holes, strip-shaped grooves are formed in the opposite surfaces of the two testing supports, convex edges are welded on the two sides of each sliding support, and the sliding supports are movably mounted between the two testing supports through the matching of the convex edges and the strip-shaped grooves;

the testing panel is characterized in that a fixed SMA connector is fixedly arranged on one side of the top of the testing panel, a sliding groove is formed in the sliding support, a limiting groove is formed in the sliding groove, and a movable SMA connector is movably arranged in the sliding groove.

In order to ensure that the surface of the test bracket can be kept flat after the test bracket is installed on the test panel, the filter test tool of the utility model is preferably provided with the fixing screws which are countersunk head screws;

in order to ensure accurate measurement of the fixed SMA connector and the movable SMA connector, the fixed SMA connector and the movable SMA connector are both boss SMA connectors with pins, which is preferable for the filter testing tool of the utility model;

in order to enable the test panel to better accord with the actual use condition, the filter test tool of the utility model is preferred, the length of the test panel is 70cm, the width of the test panel is 50cm, and the thickness of the test panel is 4 cm;

in order to ensure the stable structure and the cost of the filter testing tool, the testing panel, the testing bracket and the sliding bracket are all made of brass;

in order to make the test bracket and the test panel be installed and matched, as the filter test tool of the present invention is preferable, the number of the threaded holes on the test panel is 6, and the number of the threaded holes on a single test bracket is 3;

in order to make the proportion of the test bracket, the sliding bracket and the test panel coordinate and meet the actual use condition, the filter test tool is preferably used, the thickness of the test bracket is 10cm, and the length of the sliding bracket is 30 cm;

compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a table paste the problem of wave filter test contact failure, make the wave filter test more accurate, application range is wider simultaneously, can match the product of multiple length.

Drawings

Fig. 1 is a schematic plan view of the present invention;

fig. 2 is a schematic structural diagram of a test rack in the present invention;

fig. 3 is a schematic structural view of the sliding bracket of the present invention;

fig. 4 is a top view of a test panel according to the present invention;

in the figure: 1. testing the panel; 2. testing the bracket; 3. a sliding support; 4. a set screw; 5. a threaded hole; 6. a sliding groove; 7. a limiting groove; 8. a convex edge; 9. a strip-shaped groove; 10. a fixed SMA connector; 11. a movable SMA connector.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a filter testing tool comprises a testing panel 1, testing supports 2 and sliding supports 3, wherein threaded holes 5 are formed in the testing supports 2 and the testing panel 1, the testing supports 2 are fixedly installed on the testing panel 1 through the matching of fixing screws 4 and the threaded holes 5, strip-shaped grooves 9 are formed in opposite surfaces of the two testing supports 2, flanges 8 are welded to two sides of each sliding support 3, and the sliding supports 3 are movably installed between the two testing supports 2 through the matching of the flanges 8 and the strip-shaped grooves 9;

one side of the top of the test panel 1 is fixedly provided with a fixed SMA connector 10, a sliding groove 6 is formed in the sliding support 3, a limiting groove 7 is formed in the sliding groove 6, and a movable SMA connector 11 is movably arranged in the sliding groove 6.

In this embodiment, test the wave filter through the cooperation of fixed SMA connector 10 and movable SMA connector 11, compare in traditional test fixture, solved the poor problem of table subsides wave filter test contact, make the wave filter test more accurate, movable SMA connector 11 can control the back-and-forth movement for fixed SMA connector 10 simultaneously, can match the wave filter product of multiple length, and application range is wider.

Specifically, the fixing screw 4 is a countersunk head screw.

In the embodiment, the test support 2 is fixedly installed on the test panel 1 through the matching of the fixing screws 4 and the threaded holes 5, and the fixing screws 4 are only slightly protruded on the rear surface after being completely knocked into the threaded holes 5, so that the fixing effect is ensured, and the appearance attractiveness is not influenced.

Specifically, the fixed SMA connector 10 and the movable SMA connector 11 are both boss SMA connectors with pins.

In this embodiment, the filter is tested by matching the fixed SMA connector 10 and the movable SMA connector 11, and the boss pin SMA connector can be matched with a half hole of a general filter port, so that the test effect is better and error-free.

Specifically, the length of the test panel 1 is 70cm, the width of the test panel 1 is 50cm, the thickness of the test panel 1 is 4cm, the thickness of the test rack 2 is 10cm, and the length of the slide rack 3 is 30 cm.

In this embodiment, the length, width and height ratios of the test panel 1, the test bracket 2 and the sliding bracket 3 meet actual use requirements, and have certain aesthetic property.

Specifically, the test panel 1, the test support 2 and the sliding support 3 are all made of brass.

In this embodiment, adopt the brass material to make the utility model discloses the cost is comparatively cheap, and physical properties also can guarantee, and the price/performance ratio is higher.

Specifically, the number of the threaded holes 5 on the test panel 1 is 6, and the number of the threaded holes 5 on the single test bracket 2 is 3.

In this embodiment, two test support 2 are all on test panel 1 through the cooperation fixed mounting of set screw 4 and screw hole 5, and setting up of screw hole 5 is comparatively reasonable.

The utility model discloses a theory of operation and use flow: when testing the filter, only the filter is needed to be placed on the testing panel 1 of the utility model, the filter is located between the fixed SMA connector 10 and the movable SMA connector 11, then the filter is moved, so that the testing needle on the fixed SMA connector 10 is just matched with the port half hole at one end of the filter, then the sliding bracket 3 and the movable SMA connector 11 are moved, so that the testing needle on the movable SMA connector 11 is just matched with the port half hole at the other end of the filter, then the testing instrument can be connected for testing, the filter is tested by the matching of the fixed SMA connector 10 and the movable SMA connector 11, compared with the traditional testing tool, the problem of poor testing contact of the surface-mounted filter is effectively solved, so that the testing result is more accurate, meanwhile, the movable SMA connector 11 is arranged on the sliding bracket 3, sliding bracket 3 can be for fixed SMA connector 10 back-and-forth movement, and movable SMA connector 11 can remove about for fixed SMA connector 10, thereby makes the utility model discloses can match the wave filter product of multiple length, application range is wider.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a wave filter test fixture, includes test panel, test support and sliding bracket, its characterized in that: threaded holes are formed in the test support and the test panel, the test support is fixedly mounted on the test panel through the matching of a fixing screw and the threaded holes, strip-shaped grooves are formed in opposite surfaces of the two test supports, convex edges are welded to two sides of the sliding support, and the sliding support is movably mounted between the two test supports through the matching of the convex edges and the strip-shaped grooves;

2. The filter test tool of claim 1, wherein: the fixing screw is a countersunk head screw.

3. The filter test tool of claim 1, wherein: the fixed SMA connector and the movable SMA connector are both boss SMA connectors with needles.

4. The filter test tool of claim 1, wherein: the length of the test panel is 70cm, the width of the test panel is 50cm, and the thickness of the test panel is 4 cm.

5. The filter test tool of claim 1, wherein: the material of the test panel, the test support and the sliding support is brass.

6. The filter test tool of claim 1, wherein: the number of the threaded holes in the test panel is 6, and the number of the threaded holes in the single test support is 3.

7. The filter test tool of claim 1, wherein: the thickness of the test support is 10cm, and the length of the sliding support is 30 cm.