CN201497787U - Three-phase intermodulation test fixture - Google Patents
Three-phase intermodulation test fixture Download PDFInfo
- Publication number
- CN201497787U CN201497787U CN200920234503XU CN200920234503U CN201497787U CN 201497787 U CN201497787 U CN 201497787U CN 200920234503X U CN200920234503X U CN 200920234503XU CN 200920234503 U CN200920234503 U CN 200920234503U CN 201497787 U CN201497787 U CN 201497787U
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- test
- cable splice
- test fixture
- joint
- jacking sleeve
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- Expired - Fee Related
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Abstract
The utility model relates to a three-phase intermodulation test fixture, mainly consisting of a test frame, a lower cable joint, an upper cable joint, a lifting sleeve, a lifting plate and a pressure bar. The three-phase intermodulation test fixture can be used just by matching with the pressure devices such as a cylinder. During test, the joint at one side of the device to be tested is mounted on the lower cable joint; the lifting plate is pressed down by hands and the upper cable joint in the lifting sleeve is connected with the joint at the other side of the device to be tested; the cylinder is started to press the lifting plate with an expansion link for test; after the test, the tested device can be taken by retreating the expansion link of the cylinder and the device to be tested is mounted for repeated test; and the operation of connecting, detecting, replacing, and the like can be rapidly finished by just one people. The utility model has the advantages of simple and reasonable structure, convenient use, rapid connection and disconnection, favorable joint contact, and the like, and provides a test fixture for three-phase intermodulation test to a batch of microwave devices.
Description
Technical field
The utility model relates to a kind of anchor clamps, particularly a kind ofly rapidly carries out the anchor clamps that electric signal is connected with tested microwave device for the passive intermodulation jammer analyzer designs a kind of energy, belongs to the microwave communication device is carried out a kind of servicing unit that third order intermodulation is tested.
Technical background
The third order intermodulation distortion that is produced by two frequencies is a ubiquitous problem in the Modern Communication System, third order intermodulation distortion can reduce the performance of communication system, excessive third-order intermodulation product can be disturbed other receiver in transmitting, finally can cause the receiver can't operate as normal, to wave filter, diplexer, coupling mechanism, the maximum intermodulation product that passive devices such as power divider produce is exactly a third order intermodulation distortion, raising along with Rapid development in communication systems and mass of system, third order intermodulation distortion has also more and more been paid attention to, at the beginning of 2008, passive device has all been required test third order intermodulation index.Home products also required the passive device product is all carried out the third order intermodulation test in 2009.Traditional intermodulation testing wants three to cooperate to four-player and to finish, and with the passive intermodulation jammer analyzer third order intermodulation distortion is tested with cable, ripple micro element, testing tool with after test load is connected with the mode that is threaded respectively again.Whenever changing a product at least also will all screw off a plurality of cable splices on the socket that is screwed into device under test more again one by one from the joint of surveying device one by one.Be easy to scuffing is caused on the surface of device in the process of operation, the connected mode of screw thread also easily causes damage to the socket of device, and cable also easily is damaged, and that maximum deficiency is a connection speed is too slow, and the time is oversize and cause the efficient of test very low.As a four-way microstrip power splitter, manual install once will four to five minutes, and actual test if 30 seconds just much of that, obviously exist detection time long, efficient is low, testing tool is not fully utilized, and can not adapt to the needs of typical products in mass production detection.
Summary of the invention
The utility model purpose is to adopt manual method that the cable splice of instrument is connected one by one with the cable splice of measured device and the oversize defective of time of dismounting one by one in order to solve in the above-mentioned traditional test process, design a kind of simple and reasonable, easy to use, connect and dismounting rapidly, contact well, the suitable third order intermodulation test fixture that microwave device in enormous quantities is detected.
Third order intermodulation test fixture of the present utility model, its structure comprises testing jig, following cable splice, upward cable splice, jacking sleeve, lifter plate and depression bar are formed, described cable splice down is installed on the lower frame plate of testing jig, last cable splice is installed in the jacking sleeve, jacking sleeve is installed in the sleeve hole that is provided with in the middle part of the last deckle board of testing jig, two of last deckle board is installed on the lower frame plate through support bar, the middle part of lifter plate is fixedly mounted on the upper end of jacking sleeve, and depression bar is packed on the lifter plate.
Above-mentioned lifter plate two is installed on the last deckle board of testing jig through sliding bar, is set with compression spring on the sliding bar.
Badly to separate in order preventing to be pressed from both sides, can between the shell of upper and lower cable splice and cable splice seat, elastic washer to be housed, between cable splice seat and jacking sleeve or lower frame plate, elastic washer is housed with being convenient to.Described elastic washer is as selecting then better effects if of Cowhells packing ring for use.
Third order intermodulation test fixture of the present utility model, cooperate and to use with cylinder equal pressure device, before the test, to go up the cable of cable splice and the cable of following cable splice earlier and connect with the corresponding joint of passive intermodulation jammer analyzer respectively, again the depression bar on the lifter plate will be sleeved in the expansion link connecting hole of cylinder equal pressure device; During test, the joint of device under test one side is contained in down on the cable splice, lifter plate is pressed down and the last cable splice in the jacking sleeve is connected with the joint of device under test opposite side with hand, the startup cylinder is lived lifter plate with expansion link replacement hand and is tested, test finishes, the expansion link of cylinder return to take off surveyed device, change device under test and can survey again.Only need a people can finish all work such as connection, detection and replacing rapidly.Have simple and reasonable, easy to use, connect with dismounting rapidly, connect to close and contact advantages such as good, be the most suitable a kind of test fixture that microwave device in enormous quantities is carried out the third order intermodulation detection.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is a kind of structural representations of the cable splice in the utility model;
Accompanying drawing 3 little four merits of being with are divided the test synoptic diagram.
Embodiment
Accompanying drawing is non-limiting to disclose a specific embodiment in the utility model, is further described as follows in conjunction with the accompanying drawings.
Referring to accompanying drawing, 1 among Fig. 1 is lower frame plate, the 2nd, and following cable splice, the 3rd, support bar, the 4th, last deckle board, the 5th, last cable splice, the 6th, jacking sleeve, the 7th, compression spring, the 8th, sliding bar, the 9th, lifter plate, the 10th, depression bar.Among Fig. 2 21 is lock pins, the 22nd, and shell, the 23rd, elastic washer, the 24th, cable splice seat, the 25th, elastic washer.
Structure of the present utility model mainly is made up of testing jig, time cable splice 2, last cable splice 5, jacking sleeve 6, lifter plate 9 and depression bar 10, described cable splice 2 down is installed on the lower frame plate 1 of testing jig, last cable splice 5 is installed in the jacking sleeve 6, jacking sleeve 6 is installed in the sleeve hole that last deckle board 4 middle parts of testing jig are provided with, two of last deckle board 4 is installed on the lower frame plate 1 through support bar 3, the middle part of lifter plate 9 is fixedly mounted on the upper end of jacking sleeve 6, and depression bar 10 is packed on the lifter plate 9.
For lifter plate 9 drive jacking sleeves and last cable splice being risen under no external force effect automatically and getting back to rest position, above-mentioned lifter plate 9 two can be installed on the last deckle board 4 of testing jig through sliding bar 8, are set with compression spring 7 on the sliding bar 8.
Separate with being convenient in order to prevent that cable splice from being pressed from both sides badly, also can on the shell 22 of upper and lower cable splice 5 and 2 and cable splice seat 24, elastic washer 23 be housed, between cable splice seat 24 and jacking sleeve 6 or lower frame plate 1 elastic washer 25 is housed, its structure as shown in Figure 2.Described elastic washer 23 and 25 is preferably selected the Cowhells packing ring for use.The main buffer actions that rise of elastic washer 25 wherein, when device be depressed into the time can each cable of fine protection device, the main effect of elastic washer 23 is can make instant the separating of device and cable when pressure is removed.
For the device that further is fit to vary in size uses, also can on the support bar of testing jig, be provided with the lifting take-up.During use, at first adjust the height of testing jig according to the profile of device, adjust the position of cable mount pad, the below cable adapter is aimed in two outlets of device to be put gently, manual pulling lifter plate drive jacking sleeve moves down cable splice and snaps in the device joint, open the action of pressure apparatus the top depression bar this moment device and cable are compressed, at this moment just can open test instrumentation and begin to have tested, as shown in Figure 3.End of test (EOT), the expansion link of cylinder is return, and lifter plate is under the effect of compression spring, and the drive jacking sleeve moves up cable splice and leaves the device joint, can change measured device rapidly easily, be fit to that microwave device in enormous quantities is carried out third order intermodulation and detect.
Claims (4)
1. third order intermodulation instrument test fixture, it is characterized in that comprising testing jig, following cable splice, go up cable splice, jacking sleeve, lifter plate and depression bar, described cable splice down is installed on the lower frame plate of testing jig, last cable splice is installed in the jacking sleeve, jacking sleeve is installed in the sleeve hole that is provided with in the middle part of the last deckle board of testing jig, two of last deckle board is installed on the lower frame plate through support bar, and the middle part of lifter plate is fixedly mounted on the upper end of jacking sleeve, and depression bar is packed on the lifter plate.
2. third order intermodulation instrument test fixture as claimed in claim 1 is characterized in that described lifter plate two is installed on the last deckle board of testing jig through sliding bar, is set with compression spring on the sliding bar.
3. third order intermodulation instrument test fixture as claimed in claim 1 or 2 is characterized in that between the shell of upper and lower cable splice and the cable splice seat elastic washer being housed, and between cable splice seat and jacking sleeve or lower frame plate elastic washer is housed.
4. third order intermodulation instrument test fixture as claimed in claim 3 is characterized in that described elastic washer selects the Cowhells packing ring for use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920234503XU CN201497787U (en) | 2009-08-12 | 2009-08-12 | Three-phase intermodulation test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920234503XU CN201497787U (en) | 2009-08-12 | 2009-08-12 | Three-phase intermodulation test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201497787U true CN201497787U (en) | 2010-06-02 |
Family
ID=42440991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920234503XU Expired - Fee Related CN201497787U (en) | 2009-08-12 | 2009-08-12 | Three-phase intermodulation test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201497787U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809704A (en) * | 2012-08-09 | 2012-12-05 | 南京东恒通信科技有限公司 | Automatic detecting device of passive device |
| CN103983877A (en) * | 2014-05-28 | 2014-08-13 | 无锡市华清铜业有限公司 | Intermodulation automated testing tool for pneumatic cavity coupler |
| CN106526396A (en) * | 2016-10-24 | 2017-03-22 | 江苏俊知技术有限公司 | Automatic testing tool for intermodulation of RF coaxial jumper wire assembly |
| CN108152778A (en) * | 2018-01-29 | 2018-06-12 | 昆山立讯射频科技有限公司 | The automatic intermodulation testing equipment of wave filter |
-
2009
- 2009-08-12 CN CN200920234503XU patent/CN201497787U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809704A (en) * | 2012-08-09 | 2012-12-05 | 南京东恒通信科技有限公司 | Automatic detecting device of passive device |
| CN102809704B (en) * | 2012-08-09 | 2015-08-19 | 南京东恒通信科技有限公司 | A kind of passive device automatic detection device |
| CN103983877A (en) * | 2014-05-28 | 2014-08-13 | 无锡市华清铜业有限公司 | Intermodulation automated testing tool for pneumatic cavity coupler |
| CN106526396A (en) * | 2016-10-24 | 2017-03-22 | 江苏俊知技术有限公司 | Automatic testing tool for intermodulation of RF coaxial jumper wire assembly |
| CN106526396B (en) * | 2016-10-24 | 2019-04-16 | 江苏俊知技术有限公司 | One kind being used for radio-frequency coaxial jumper wire component intermodulation automatic testing tool |
| CN108152778A (en) * | 2018-01-29 | 2018-06-12 | 昆山立讯射频科技有限公司 | The automatic intermodulation testing equipment of wave filter |
| CN108152778B (en) * | 2018-01-29 | 2024-01-30 | 苏州立讯技术有限公司 | Automatic intermodulation test equipment of filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20160812 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |