CN111342910B - Transmission line testing device - Google Patents
Transmission line testing device Download PDFInfo
- Publication number
- CN111342910B CN111342910B CN202010135944.5A CN202010135944A CN111342910B CN 111342910 B CN111342910 B CN 111342910B CN 202010135944 A CN202010135944 A CN 202010135944A CN 111342910 B CN111342910 B CN 111342910B
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- Prior art keywords
- transmission line
- piece
- testing apparatus
- line testing
- support piece
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 65
- 238000012360 testing method Methods 0.000 title claims abstract description 56
- 239000000523 sample Substances 0.000 claims abstract description 31
- 238000013519 translation Methods 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The invention provides a transmission line testing device, which is used for testing a transmission line and comprises a probe assembly and a floating support assembly; the floating support assembly is used for supporting the transmission line, and the probe assembly is used for being electrically connected with the transmission line; the floating support assembly comprises a support piece, a plurality of positioning pieces which are circumferentially arranged in a separated mode around the support piece, and elastic pieces which are circumferentially arranged around the positioning pieces. According to the transmission line testing device provided by the invention, the floating support component can support the translation of the transmission line to be tested in 2 degrees of freedom, so that the testing work can be continued even if the initial positions of the probe component and the transmission line to be tested deviate, and the probe component and the transmission line to be tested can be accurately and stably abutted, so that the error testing rate is greatly reduced.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of testing devices, in particular to a transmission line testing device.
[ background of the invention ]
With the development of 5G and consumer electronics technologies, the multi-antenna technology has been studied for a long time. The space available for the layout of the traditional radio frequency coaxial transmission line is smaller and smaller, so that a novel transmission line structure (comprising an FPC and a connector) is produced.
Aiming at the design of a multi-antenna radio frequency transmission line, a flexible material circuit (comprising a connector) is mainly adopted for radio frequency transmission, and the superiority of the radio frequency transmission performance plays an important role.
Testing the radio frequency performance of transmission lines becomes an important item in the mass production test link of transmission lines. A stable, reliable and accurate test fixture can be fine measure transmission line radio frequency performance, and test fixture also satisfies the demand of producing the line batch test, possesses characteristics such as easily operation, long service life.
As the connectors used become more miniaturized, the positional alignment accuracy of the test probes and connectors on the test fixture becomes more and more demanding, and it becomes very difficult to use conventional alignment methods.
Therefore, a transmission line testing apparatus that facilitates alignment of a test probe with a connector during testing is needed.
[ summary of the invention ]
The present invention provides a transmission line testing device to solve the problem that the conventional alignment method is very difficult due to the miniaturization of the connector, the requirement for the alignment accuracy between the test probe and the connector of the test fixture, and the like.
The technical scheme of the invention is as follows: the invention aims to provide a transmission line testing device, which is used for testing a transmission line and comprises a probe assembly and a floating support assembly; the floating support assembly is used for supporting the transmission line, and the probe assembly is used for being electrically connected with the transmission line;
the floating support assembly comprises a support piece, a plurality of positioning pieces circumferentially arranged in a separated mode and hoops, the elastic pieces circumferentially arranged on the plurality of positioning pieces are arranged in a hooped mode, each positioning piece is capable of moving relative to the support piece under the constraint of the elastic pieces, the top end face of each positioning piece is higher than that of the support piece, and the top of each positioning piece and the top of the support piece are enclosed to form a containing cavity for containing the transmission line.
Furthermore, one side of each positioning element, which is far away from the supporting element, is provided with a mounting groove, the mounting grooves of the two adjacent positioning elements are communicated with each other, and the elastic element is accommodated in the mounting grooves.
Furthermore, a guide surface is arranged on one side of the top of each positioning piece close to the support piece.
Furthermore, the bottom of the positioning element extends in a direction away from the supporting element to form an extension part, the floating supporting element further comprises a base for supporting the supporting element and the extension part and a cover plate for covering the base, and the extension part is clamped between the cover plate and the base in a normal direction of the top end face of the supporting element.
Further, the base is including supporting the diapire of support piece, with the diapire encloses to close and forms the lateral wall of acceping the chamber and certainly the bellied step portion of diapire, the apron lid close in step portion and accept in accept the chamber.
Further, the height of the stepped portion is not lower than the extending portion.
Further, the cover plate comprises a main body part connected with the step part and a limiting part extending from the main body part to the support part, and the limiting part and the extending part of the positioning part are arranged oppositely.
Furthermore, the transmission line comprises a substrate and a connector mounted on the substrate, during testing, the connector is mounted in the accommodating cavity, and at least one of the positioning pieces is provided with an avoiding port for avoiding the substrate.
Further, the floating support assembly further includes a fastener fixedly connecting the cover plate and the base.
The invention has the beneficial effects that:
the floating support component can support the transmission line to be tested in a translation mode in 2 degrees of freedom, so that even if the probe component deviates from the initial position of the transmission line to be tested, the test can be continuously carried out, the probe component can be accurately and stably abutted against the transmission line to be tested, and the false testing rate is greatly reduced.
[ description of the drawings ]
Fig. 1 is a perspective view of a transmission line testing apparatus according to an embodiment of the present invention;
fig. 2 is a perspective view of a transmission line testing apparatus according to an embodiment of the present invention;
FIG. 3 is a perspective view of a probe assembly of the transmission line testing apparatus according to an embodiment of the present invention;
FIG. 4 is an exploded view of a floating support assembly of the transmission line testing apparatus according to one embodiment of the present invention;
fig. 5 is a sectional view taken along the line a-a in fig. 1.
In the figure: 10. a probe assembly; 11. a radio frequency adapter; 12. a circuit board; 13. a body; 14. a groove; 15. a probe; 16. a guide mechanism; 20. a transmission line; 21. a substrate; 22. a connector; 221. a signal terminal; 30. a floating support assembly; 31. a base; 311. a bottom wall; 312. a step portion; 313. a side wall; 32. an accommodating cavity; 33. a support member; 34. a positioning member; 341. mounting grooves; 342. an accommodating chamber; 343. avoiding the mouth; 344. an extension portion; 345. a guide surface; 35. an elastic member; 36. a cover plate; 361. a main body portion; 362. a limiting part; 37. a fastener.
[ detailed description ] embodiments
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1 and 2, an embodiment of the present invention provides a transmission line testing apparatus for testing a transmission line 20, the transmission line testing apparatus including a probe assembly 10 for connecting with an external test instrument and a floating support assembly 30 for supporting the transmission line 20 to be tested; the transmission line 20 comprises a substrate 21 and a connector 22 mounted on the substrate 21, wherein the connector 22 comprises a plurality of signal terminals 221; the transmission line 20 to be tested is mounted on the floating support assembly 30, and the probe assembly 10 is moved and approached to the floating support assembly 30 until the probe assembly 10 abuts against the signal terminal 221 of the transmission line 20 to be tested. When the probe assembly 10 and the floating support assembly 30 are mated in place, they are electrically connected, thereby completing the test. It is understood that, in practical applications, the probe assembly 10 and the floating support assembly 30 may be fixedly integrated into a test fixture, and the test fixture drives the probe assembly 10 and the floating support assembly 30 to move and align.
Referring to fig. 3, the probe assembly 10 includes a first assembly portion and a second assembly portion that are secured to each other. The first component part includes a circuit board 12, a circuit structure (not shown) disposed in the circuit board 12, and a radio frequency adapter 11 mounted on the circuit board 12 and connected to the circuit structure, wherein the radio frequency adapter 11 is used for connecting with an external test instrument. The second assembly part comprises a body 13 and a plurality of probes 15 mounted on the body 13, the body 13 is fixed with the circuit board 12, and the probes 15 penetrate through the body 13 and have two ends exposed out of the body 13. During testing, one end of the probe 15 abuts against the circuit structure on the circuit board 12, and the other end abuts against the signal terminal 221 of the connector 22, so that transmission of radio frequency signals from the transmission line 20 to an external testing instrument is realized.
The second assembly part further comprises an annular guide mechanism 16 protruding from one side of the body 13 and a groove 14 surrounded by the guide mechanism 16. The guide mechanism 16 is used to guide the connector 22 to be tested into the recess 14 during testing. In an embodiment, the portion of the inner side surface of the guiding mechanism 16 away from the body 13 is an inclined surface, and when the probe assembly 10 is aligned with the connector 22 of the transmission line 20 to be tested, the inner side surface of the guiding mechanism 16 slowly pushes the connector 22 into the groove 14 after contacting the connector 22.
Referring to fig. 1, 4 and 5 together, the floating support assembly 30 includes a support member 33, a plurality of positioning members 34 surrounding the support member 33, and a plurality of elastic members 35 surrounding the positioning members 34, each positioning member 34 is capable of moving relative to the support member 33 under the constraint of the elastic members 35, a top end surface of each positioning member 34 is higher than a top end surface of the support member 33, a top of each positioning member 34 and a top of the support member 33 surround to form a receiving cavity 342 for receiving the connector 22, and a surface of one positioning member 34 is provided with an escape opening 343 for passing through the substrate 21 of the transmission line 20; during testing, after the probe assembly 10 approaches and contacts the transmission line 20, if the transmission line 20 is not aligned in a horizontal plane (XY plane) with respect to the groove 14 in the probe assembly 10, the guide mechanism 16 at the bottom of the groove 14 drives the transmission line 20 to move in two degrees of freedom (2 translational degrees of freedom along X/Y), and then the transmission line 20 drives the positioning element 34 abutted against the transmission line to press the elastic element 35 and translate under the constraint of the elastic element 35, so that the probes 15 of the test probe assembly 10 can be quickly and accurately abutted against the signal terminals 221 of the connector 22. After the test is completed, the positioning member 34 is reset by the restoring force generated after the elastic member 35 is deformed.
A mounting groove 341 is formed in one side of each positioning element 34 away from the supporting element 33, the mounting grooves 341 of two adjacent positioning elements 34 are communicated with each other, and the elastic element 35 is accommodated in the mounting grooves 341; the top of each positioning member 34 near the supporting member 33 is provided with a guiding surface 345; the bottom of the positioning member 34 extends away from the supporting member 33 to form an extension 344.
The floating support assembly 30 further includes a base 31 for supporting the support member 33 and the extension part 344, and a cover plate 36 for covering the base 31, wherein the extension part 344 is partially sandwiched between the cover plate 36 and the base 31 in a direction normal to the top end surface of the support member 33, so as to limit a moving distance of the positioning member 34 in the direction normal to the top end surface of the support member 33; in one embodiment, the support 33, the base 31 and the extension 344 are integrally formed.
The base 31 comprises a bottom wall 311 supporting the supporting member 33, a side wall 313 enclosing with the bottom wall 311 to form an accommodating cavity 32, and a step part 312 protruding from the bottom wall 311, and the cover plate 36 covers the step part 312 and is accommodated in the accommodating cavity 32; the height of the stepped portion 312 is not lower than the extended portion 344; the cover plate 36 includes a main body 361 contacting the step part 312 and a limiting part 362 extending from the main body 361 to the support member 33, and the limiting part 362 is disposed opposite to the extending part 344 of the positioning member 34, so as to limit the displacement of the positioning member 34 in the vertical direction; the floating support assembly 30 further includes a fastener 37 for fixedly connecting the cover plate 36 and the base 31, and the cover plate 36 and the base 31 are fixedly connected by the fastener 37.
It should be noted that all the directional indicators (such as upper, lower, inner, outer, top, bottom … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A transmission line testing device is used for testing a transmission line and is characterized by comprising a probe assembly and a floating support assembly; the floating support assembly is used for supporting the transmission line, and the probe assembly is used for being electrically connected with the transmission line;
the floating support assembly comprises a support piece, a plurality of positioning pieces circumferentially arranged in a separated mode and hoops, the elastic pieces circumferentially arranged on the plurality of positioning pieces are arranged in a hooped mode, each positioning piece is capable of moving relative to the support piece under the constraint of the elastic pieces, the top end face of each positioning piece is higher than that of the support piece, and the top of each positioning piece and the top of the support piece are enclosed to form a containing cavity for containing the transmission line.
2. The transmission line testing apparatus of claim 1, wherein: one side of each locating element, which is far away from the supporting element, is provided with a mounting groove, the two adjacent mounting grooves of the locating element are communicated with each other, and the elastic element is accommodated in the mounting grooves.
3. The transmission line testing apparatus of claim 2, wherein: and a guide surface is arranged at one side of the top of each positioning piece close to the supporting piece.
4. The transmission line testing apparatus of claim 1, wherein: the bottom of setting element is to keeping away from the direction extension of support piece forms the extension, floating support piece still including supporting support piece with the base of extension and the apron that fits the base the normal direction of the top end face of support piece, a part clamp of extension is located the apron with between the base.
5. The transmission line testing apparatus of claim 4, wherein: the base is including supporting the diapire of support piece, with the diapire encloses to close and forms the lateral wall of acceping the chamber and certainly the bellied step portion of diapire, the apron lid close in step portion and accept in accept the chamber.
6. The transmission line testing apparatus of claim 5, wherein: the height of the step part is not lower than that of the extension part.
7. The transmission line testing apparatus of claim 5, wherein: the cover plate comprises a main body part connected with the step part and a limiting part extending from the main body part to the supporting piece, and the limiting part and the extending part of the positioning piece are arranged oppositely.
8. The transmission line testing apparatus of claim 1, wherein: the transmission line includes the base plate and install in the connector of base plate, during the test, the connector install in hold the chamber, at least one the setting element is equipped with dodges the mouth of dodging of base plate.
9. The transmission line testing apparatus of claim 4, wherein: the floating support assembly further includes a fastener fixedly connecting the cover plate and the base.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135944.5A CN111342910B (en) | 2020-03-02 | 2020-03-02 | Transmission line testing device |
| PCT/CN2020/079661 WO2021174589A1 (en) | 2020-03-02 | 2020-03-17 | Transmission line testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010135944.5A CN111342910B (en) | 2020-03-02 | 2020-03-02 | Transmission line testing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111342910A CN111342910A (en) | 2020-06-26 |
| CN111342910B true CN111342910B (en) | 2021-06-11 |
Family
ID=71187297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010135944.5A Expired - Fee Related CN111342910B (en) | 2020-03-02 | 2020-03-02 | Transmission line testing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111342910B (en) |
| WO (1) | WO2021174589A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN216134477U (en) * | 2020-07-08 | 2022-03-25 | 瑞声精密制造科技(常州)有限公司 | Test equipment of transmission module |
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| CN1289933A (en) * | 1999-12-30 | 2001-04-04 | 深圳市中兴通讯股份有限公司 | Socket for testing connector of circuit board |
| CN101071571A (en) * | 2006-05-10 | 2007-11-14 | 日本发条株式会社 | Slider supporting apparatus and manufacturing method therefor |
| CN101149492A (en) * | 2007-10-30 | 2008-03-26 | 友达光电股份有限公司 | Guiding device |
| CN101995494A (en) * | 2009-08-18 | 2011-03-30 | 综合测试电子系统有限公司 | An elastic unit as a separate elastic member to be mounted at an elastic unit receiving section of an align fixture |
| CN204166014U (en) * | 2014-11-10 | 2015-02-18 | 成都振芯科技股份有限公司 | A kind of adjustable integrated circuit measurement jig |
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| US6814487B2 (en) * | 2003-02-20 | 2004-11-09 | The Regents Of The University Of California | Apparatus for measuring internal temperatures of food patties |
| CN102571225B (en) * | 2011-06-30 | 2014-04-30 | 上海雷迪埃电子有限公司 | Radio frequency power self-test device and test method |
| CN104422863B (en) * | 2013-08-20 | 2017-05-24 | 致茂电子股份有限公司 | Semiconductor test device |
| CN105929321B (en) * | 2016-06-12 | 2023-03-03 | 深圳市斯纳达科技有限公司 | Integrated circuit test equipment |
| KR101887071B1 (en) * | 2016-09-01 | 2018-09-10 | 리노공업주식회사 | A slider operating mechanism of the testing device |
| CN206806614U (en) * | 2017-05-26 | 2017-12-26 | 深圳市大富科技股份有限公司 | A kind of arrangements of electric connection and electric automobile |
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2020
- 2020-03-02 CN CN202010135944.5A patent/CN111342910B/en not_active Expired - Fee Related
- 2020-03-17 WO PCT/CN2020/079661 patent/WO2021174589A1/en active Application Filing
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1289933A (en) * | 1999-12-30 | 2001-04-04 | 深圳市中兴通讯股份有限公司 | Socket for testing connector of circuit board |
| CN101071571A (en) * | 2006-05-10 | 2007-11-14 | 日本发条株式会社 | Slider supporting apparatus and manufacturing method therefor |
| CN101149492A (en) * | 2007-10-30 | 2008-03-26 | 友达光电股份有限公司 | Guiding device |
| CN101995494A (en) * | 2009-08-18 | 2011-03-30 | 综合测试电子系统有限公司 | An elastic unit as a separate elastic member to be mounted at an elastic unit receiving section of an align fixture |
| CN105021848A (en) * | 2014-04-17 | 2015-11-04 | 环旭电子股份有限公司 | General test device |
| CN204166014U (en) * | 2014-11-10 | 2015-02-18 | 成都振芯科技股份有限公司 | A kind of adjustable integrated circuit measurement jig |
| KR101611354B1 (en) * | 2014-12-09 | 2016-04-14 | 리노공업주식회사 | A testing device |
| CN204495922U (en) * | 2015-02-13 | 2015-07-22 | 群光电子(苏州)有限公司 | Focus module and detect tool |
| CN205754354U (en) * | 2016-05-12 | 2016-11-30 | 苏州同拓光电科技有限公司 | For detecting the cubing of conductive layer on antenna for mobile phone |
| CN208537591U (en) * | 2018-07-03 | 2019-02-22 | 河南森源重工有限公司 | A kind of cell measuring clamp |
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| CN109270308A (en) * | 2018-11-07 | 2019-01-25 | 安徽省鸿滔电子科技有限公司 | It is a kind of for processing the stabilizing clip of testing electronic element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111342910A (en) | 2020-06-26 |
| WO2021174589A1 (en) | 2021-09-10 |
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