CN219392176U

CN219392176U - Automatic intermodulation testing device of filter

Info

Publication number: CN219392176U
Application number: CN202223286071.1U
Authority: CN
Inventors: 李蕾; 张先智
Original assignee: Chengdu Lange Microelectronics Technology Co ltd
Current assignee: Chengdu Lange Microelectronics Technology Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-07-21
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the technical field of filter testing, in particular to an automatic intermodulation testing device for a filter, which comprises a base, wherein the bottom of the base is fixedly connected with a servo motor, an output shaft of the servo motor is fixedly connected with a driving wheel, the outer wall of the driving wheel is movably connected with a chain, the improved testing device is provided with a tooth slot at the bottom of a fixing base, so that the tooth slot drives two main gears to rotate when the fixing base slides, power is provided for a rotating shaft, an air hole is formed in the top of the fixing base, the filter at the top of the fixing base is fixed and released through air inlet and air outlet of the air hole, the fixing time is saved by a simple fixing mode, the testing efficiency is improved, the two slave gears are symmetrically distributed, the two bases can be lifted in a linkage mode, the testing mode is simplified, the testing efficiency is improved, the heights of the rotating threaded columns are adjusted in a coaxial mode among the bases, the threaded columns and an adjusting block are adjusted in a fine mode, and the position of a testing end is calibrated.

Description

Automatic intermodulation testing device of filter

Technical Field

The utility model relates to the technical field of filter testing, in particular to an automatic intermodulation testing device for a filter.

Background

The filter is a device for filtering waves, can effectively filter frequency points with specific frequencies or frequencies outside the frequency points in a power line to obtain a power signal with specific frequencies or eliminate the power signal with specific frequencies, and is mainly used in radio emission signals of various radar, navigation, communication and other devices, and various performance indexes of the filter need to be tested before the filter leaves a factory to judge whether a product is qualified.

The prior patent (publication number: CN 208013400U) discloses an automatic intermodulation test device for a filter, which comprises a base, a fixing device arranged on the base and used for fixing the filter to be tested, and two locking devices respectively arranged on two sides of the fixing device, wherein one locking device can drive a cable connector of one test cable to move towards the input end of the filter fixed by the fixing device and be locked with the input end, and the other locking device can drive a cable connector of the other test cable to move towards the output end of the filter fixed by the fixing device and be locked with the output end. The automatic intermodulation test equipment of the filter has the advantages of high test efficiency, stable connection and reliable test result. The inventors found that the following problems exist in the prior art in the process of implementing the present utility model: the traditional filter testing device is used for testing the performance after the two ends are firmly connected during testing, and a great amount of time is wasted for fixing in the testing mode, so that the testing efficiency is low, and the device cannot adapt to batch testing.

Disclosure of Invention

The utility model aims to provide an automatic intermodulation test device for a filter, which is used for solving the problem that the efficiency is low because the two ends of the filter test device provided in the background art are required to be fixed for testing. In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an automatic intermodulation testing arrangement of wave filter, includes the base, the bottom fixedly connected with servo motor of base, servo motor's output shaft fixedly connected with action wheel, the outer wall swing joint of action wheel has the chain, the inner wall swing joint of chain has from the driving wheel, the middle part fixedly connected with threaded rod from the driving wheel, the outer wall swing joint of threaded rod has the fixing base, the middle part swing joint of fixing base has two guide arms, the bottom swing joint of fixing base has two master gears, two the middle part fixedly connected with pivot of master gear, the equal fixedly connected with in both ends of pivot is from the gear, the outer wall swing joint of slave gear has the rack, the top fixedly connected with base of rack, the top swing joint of base has the screw post, the outer wall swing joint of screw post has the regulating block, one side fixedly connected with test joint of regulating block.

Further preferably, a meshing transmission structure is formed among the driving wheel, the chain and the driven wheel.

Further preferably, a tooth slot matched with the main gear is arranged at the bottom of the fixed seat.

Further preferably, the top of the fixing seat is provided with an air hole.

It is further preferred that the two slave gears are symmetrically distributed about the central axis of the base.

Further preferably, the base, the threaded column and the adjusting block are coaxial.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the tooth grooves are arranged at the bottom of the fixing seat, so that the tooth grooves drive the two main gears to rotate when the fixing seat slides, power is provided for the rotating shaft, and the air holes are arranged at the top of the fixing seat, so that the filter at the top of the fixing seat is fixed and released through air inlet and air exhaust of the air holes, and the fixing time is saved and the testing efficiency is improved by a simple fixing mode.

According to the utility model, the two slave gears are symmetrically distributed, so that the two bases can be lifted in a linkage way, the testing mode is simplified, the testing efficiency is improved, the base, the threaded column and the adjusting block are coaxially arranged, the height of the adjusting block is finely adjusted by rotating the threaded column, and the position of the testing end is calibrated.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

fig. 3 is a schematic view of a main structure of a fixing seat according to the present utility model.

In the figure: 1. a base; 2. a servo motor; 3. a driving wheel; 4. a chain; 5. driven wheel; 6. a threaded rod; 7. a fixing seat; 8. a guide rod; 9. a main gear; 10. a rotating shaft; 11. a slave gear; 12. a rack; 13. a base; 14. a threaded column; 15. an adjusting block; 16. the joint was tested.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present utility model based on the embodiments of the present utility model.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an automatic intermodulation testing arrangement of wave filter, the on-line screen storage device comprises a base 1, the bottom fixedly connected with servo motor 2 of base 1, servo motor 2's output shaft fixedly connected with action wheel 3, action wheel 3's outer wall swing joint has chain 4, chain 4's inner wall swing joint has from driving wheel 5, from the middle part fixedly connected with threaded rod 6 of driving wheel 5, threaded rod 6's outer wall swing joint has fixing base 7, fixing base 7's middle part swing joint has two guide arms 8, fixing base 7's bottom swing joint has two master gears 9, two master gears 9's middle part fixedly connected with pivot 10, the equal fixedly connected with of both ends of pivot 10 is from gear 11, from gear 11's outer wall swing joint has rack 12, rack 12's top fixedly connected with base 13, base 13's top swing joint has screw post 14, screw post 14's outer wall swing joint has regulating block 15, one side fixedly connected with test joint 16.

In the embodiment, as shown in fig. 1, a meshing transmission structure is formed among a driving wheel 3, a chain 4 and a driven wheel 5; it should be noted that, the driving wheel 3, the chain 4 and the driven wheel 5 form a meshing transmission structure, so that the servo motor 2 drives the threaded rod 6 to rotate, and the fixing seat 7 slides under the action of the threaded rod 6.

In this embodiment, as shown in fig. 1, a tooth slot adapted to the main gear 9 is provided at the bottom of the fixing seat 7; it should be noted that, the tooth slot adapted to the main gear 9 is disposed at the bottom of the fixing seat 7, so that the tooth slot drives the two main gears 9 to rotate when the fixing seat 7 slides, thereby providing power for the rotating shaft 10.

In this embodiment, as shown in fig. 3, an air hole is formed at the top of the fixing seat 7; it should be noted that, the top through fixing base 7 has seted up the gas pocket so that the filter at fixing base 7 top is fixed and released through the air inlet and exhaust of gas pocket, and the fixed time has been practiced thrift to simple fixed mode like this has promoted test efficiency.

In this embodiment, as shown in fig. 1, two slave gears 11 are symmetrically distributed about the central axis of the base 1; it should be noted that, through the symmetrical distribution about the central axis of the base 1 between the two slave gears 11, the two bases 13 can be lifted in a linkage manner, so that the test mode is simplified, and the test efficiency is improved.

In this embodiment, as shown in fig. 1, the base 13, the threaded post 14 and the adjusting block 15 are coaxial; it should be noted that, the base 13, the threaded column 14 and the adjusting block 15 are coaxial, so that the threaded column 14 is rotated to finely adjust the height of the adjusting block 15, thereby calibrating the position of the test end.

The application method and the advantages of the utility model are as follows: when the automatic intermodulation test device of the filter is used, the working process is as follows:

as shown in fig. 1, fig. 2 and fig. 3, firstly, the filter is placed on the fixing seat 7, the air valve discharges the internal air, so that the filter is fixed on the fixing seat 7, the servo motor 2 is started, the output shaft of the servo motor 2 drives the driving wheel 3 to rotate, thereby driving the driven wheel 5 to rotate through the chain 4, at the moment, the threaded rod 6 pushes the fixing seat 7 to slide along the guide rod 8, when the fixing seat 7 slides, the tooth slot at the bottom of the fixing seat 7 drives the main gear 9 to rotate, so that the rotating shaft 10 drives the driven gear 11 to be meshed with the rack 12 to drive the base 13 to lift until the test joint 16 at one side of the regulating block 15 is contacted with the joint of the filter, at the moment, performance test can be performed, and when the two test joints 16 are not in the same horizontal line, the horizontal position of the test joint 16 can be calibrated by rotating the threaded column 14.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic intermodulation testing arrangement of wave filter, includes base (1), its characterized in that: the automatic testing device is characterized in that a servo motor (2) is fixedly connected to the bottom of the base (1), a driving wheel (3) is fixedly connected to an output shaft of the servo motor (2), a chain (4) is movably connected to the outer wall of the driving wheel (3), a driven wheel (5) is movably connected to the inner wall of the chain (4), a threaded rod (6) is fixedly connected to the middle of the driven wheel (5), a fixing seat (7) is movably connected to the outer wall of the threaded rod (6), two guide rods (8) are movably connected to the middle of the fixing seat (7), two main gears (9) are movably connected to the bottom of the fixing seat (7), a rotating shaft (10) is fixedly connected to the middle of each main gear (9), a driven gear (11) is fixedly connected to the two ends of each rotating shaft (10), a rack (12) is movably connected to the outer wall of each driven gear (11), a base (13) is fixedly connected to the top of each rack (12), a threaded column (14) is movably connected to the top of each base (13), an adjusting block (15) is movably connected to the outer wall of each threaded column (14), and one side of the adjusting block (15) is fixedly connected to one side of the testing joint (16).

2. The automatic intermodulation testing apparatus of claim 1, wherein: and a meshing transmission structure is formed among the driving wheel (3), the chain (4) and the driven wheel (5).

3. The automatic intermodulation testing apparatus of claim 1, wherein: the bottom of the fixed seat (7) is provided with a tooth slot matched with the main gear (9).

4. The automatic intermodulation testing apparatus of claim 1, wherein: the top of the fixing seat (7) is provided with an air hole.

5. The automatic intermodulation testing apparatus of claim 1, wherein: the two slave gears (11) are symmetrically distributed about the central axis of the base (1).

6. The automatic intermodulation testing apparatus of claim 1, wherein: the base (13), the threaded column (14) and the adjusting block (15) are coaxial.