WO2021174583A1 - Dispositif de test de module d'émission - Google Patents

Dispositif de test de module d'émission Download PDF

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Publication number
WO2021174583A1
WO2021174583A1 PCT/CN2020/079523 CN2020079523W WO2021174583A1 WO 2021174583 A1 WO2021174583 A1 WO 2021174583A1 CN 2020079523 W CN2020079523 W CN 2020079523W WO 2021174583 A1 WO2021174583 A1 WO 2021174583A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission module
probe
board
plate body
radio frequency
Prior art date
Application number
PCT/CN2020/079523
Other languages
English (en)
Chinese (zh)
Inventor
詹大伟
何家勇
王亚
陈勇利
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2021174583A1 publication Critical patent/WO2021174583A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00—Arrangements for monitoring or testing data switching networks
    • H04L43/50—Testing arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing

Definitions

  • the present invention relates to the field of communication technology, in particular to a testing device for a transmission module.
  • Testing the radio frequency performance of the transmission module has become an important part of the mass production test of the transmission module.
  • a stable, reliable and accurate test device can measure the radio frequency performance of the transmission module well, and the test device must also meet the production line batch
  • the requirements for chemical testing are easy to operate and have a long service life.
  • the object of the present invention is to provide a test device for a transmission module, which aims to improve the reliability of the test device, extend the service life of the test device, and reduce the cost of the test device.
  • the present invention provides a test device for a transmission module, which includes a first board, a second board connected to the first board, installed on the first board and used for A radio frequency signal adapter connected with an external test instrument and a probe assembly installed on the second board body and used for abutting with the transmission module, the second board body is penetrated with at least two mounting holes arranged at intervals,
  • the probe assembly includes a plurality of elastic probes, each of the elastic probes is installed in each of the mounting holes, and one end of the elastic probe is electrically connected to the radio frequency signal adapter, and the other end is used for abutting The transmission module.
  • the first board body is provided with a plurality of circuit traces respectively matched with the elastic probes, one end of the circuit trace is electrically connected with the elastic probe, and the other end is connected with the radio frequency
  • the signal adapter is electrically connected.
  • the elastic probe includes a first probe, a spring, and a second probe, and the first probe and the second probe are respectively connected to two ends of the spring, and the first probe is exposed in the mounting hole One end of the second probe is used to connect with the circuit trace, and the other end of the second probe exposed to the mounting hole is used to abut the transmission module.
  • the radio frequency signal adapter is installed on a side of the first board away from the second board.
  • the testing device of the transmission module further includes a number of fasteners, the first plate body is provided with a number of perforations, the second plate body is provided with a number of fixing holes, and the fasteners pass through After the perforation, it is connected with the fixing hole.
  • test device of the transmission module further includes a plurality of positioning members, a plurality of positioning holes spaced apart from the perforation are provided on the first plate body, and a plurality of positioning holes are also provided on the second plate body.
  • Each of the positioning holes is matched with a clamping hole, and the positioning member is fastened to the clamping hole after passing through the positioning hole.
  • the side of the second plate body away from the first plate body is convexly provided with a boss, and the side of the boss away from the second plate body is concavely provided for the transmission
  • the module is embedded in the guide groove, the guide groove has a first groove bottom surface, one end of the mounting hole is provided on the bottom surface of the first groove, and the end of the elastic probe close to the transmission module is exposed at the bottom surface of the first groove.
  • the bottom surface of the first groove is outside.
  • a receiving groove corresponding to the guide groove is recessed on a side of the second plate body close to the first plate body, the receiving groove has a second groove bottom surface, and the mounting hole The other end is arranged on the bottom surface of the second groove, and one end of the elastic probe close to the first plate body is exposed outside the bottom surface of the second groove.
  • the test device of the transmission module of the present invention uses the probe assembly for radio frequency to contact the transmission module, the radio frequency signal of the transmission module is led out through the probe assembly, and the signal is transferred through the radio frequency signal adapter and connected to an external test instrument.
  • the structure is simple, its test accuracy is high, it has the characteristics of easy operation, low cost, long service life, and suitable for batch testing.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a transmission module testing device and a transmission module provided by an embodiment of the present invention
  • Figure 2 is a schematic diagram of the exploded structure of Figure 1;
  • FIG. 3 is a top view of the transmission module testing device and the transmission module provided by the embodiment of the present invention after assembling;
  • Figure 4 is a cross-sectional view taken along line A-A in Figure 3;
  • Fig. 5 is a partial enlarged schematic diagram of the circle B in Fig. 4;
  • FIG. 6 is a schematic diagram of the three-dimensional structure of the probe assembly and the second board body provided by the embodiment of the present invention after being assembled;
  • Fig. 7 is a partial enlarged schematic diagram of the circle C in Fig. 6;
  • FIG. 8 is a schematic diagram of a three-dimensional structure of a second plate provided by an embodiment of the present invention.
  • Transmission module 11. FPC board; 12, connector; 121, signal terminal; 20, first test component; 21, first board; 211, substrate; 212, circuit trace; 213, perforation; 214 , Positioning hole; 22, radio frequency signal adapter; 30, second test component; 31, second board; 311, first surface; 312, second surface; 313, mounting hole; 314, fixing hole; 315, card Holding hole; 316, boss; 317, guide groove; 318, the bottom surface of the first groove; 319, the receiving groove; 320, the bottom surface of the second groove; 32, the probe assembly; 321, the elastic probe; 322, the first probe; 323. Spring; 324. Second probe; 325. Sleeve; 40. Fastener; 50. Positioning member.
  • an embodiment of the present invention provides a transmission module testing device for testing the transmission module 10.
  • the transmission module 10 includes an FPC board 11 and a connector 12 installed on the FPC board 11.
  • the testing device of the transmission module includes a first testing component 20 and a second testing component 30.
  • the first test assembly 20 includes a first board 21 and a radio frequency signal adapter 22 installed on the first board 21.
  • the first board body 21 is a printed circuit board, and the radio frequency signal adapter 22 is connected to the circuit traces 212 on the first board body 21.
  • the second test assembly 30 includes a second board 31 and a probe assembly 32 installed on the second board 31 and used to abut the transmission module 10.
  • the first test assembly 20 and the second test assembly 30 are stacked, and the first board body 21 and the second board body 31 are fixedly connected, so that the probe assembly 32 is connected with the circuit trace 212 on the first board body 21.
  • the second test component 30 is matched and abutted with the connector 12 of the transmission module 10 to be tested, and the first test component 20 is connected to an external test instrument in cooperation.
  • one end of the probe assembly 32 of the second test assembly 30 away from the first board 21 abuts against the signal terminal 121 of the connector 12 to facilitate the extraction of the radio frequency signal of the transmission module 10.
  • the radio frequency signal adapter 22 of the first test assembly 20 is connected to an external test instrument through a cable. Therefore, the first test component 20 and the second test component 30 cooperate to extract and transmit the radio frequency signal of the transmission module 10 to the test instrument to complete the test.
  • the second board 31 is vertically penetrated with at least two mounting holes 313 spaced apart
  • the probe assembly 32 includes a plurality of spaced elastic probes 321, and each elastic probe 321 Installed in each mounting hole 313, one end of the elastic probe 321 is electrically connected to the RF signal adapter 22, and the other end of the elastic probe 321 is used to abut the transmission module 10, and the elastic probes 321 are not mutually connected.
  • the elastic probe 321 can be directly replaced, avoiding the replacement of the probe assembly 32 as a whole, thereby saving cost.
  • the number of each elastic probe 321 can be set according to actual needs. For example, when three signal terminals 121 of the connector 12 need to be tested, the number of elastic probes 321 is set to at least three. In the above situation, when the number of elastic probes 321 exceeds 3, only the remaining elastic probes 321 need to be left empty or grounded. It is worth mentioning that multiple flexible probes 321 can be set to form multiple sets of test units, and multiple sets of signal terminals 121 can be tested at the same time to improve the test efficiency.
  • One signal terminal 121 is abutted for radio frequency parameter testing, and the other two are respectively abutted with the other two signal terminals 121 for conduction testing. At this time, it is only necessary to adjust the circuit structure of the first board body 21 adaptively.
  • the distance between the elastic probes 321 the distance between the signal terminals 121 of the connector 12 can be designed.
  • the second board 31 has a first surface 311 on the side close to the first board 21, a second surface 312 disposed opposite to the first surface 311, and a mounting hole 313 From the first surface 311 to the second surface 312, the elastic probe 321 includes a first probe 322, a spring 323, a second probe 324, and a sleeve 325.
  • the first probe 322, the spring 323, and the second probe 324 are from top to bottom Set up and connected in sequence, the spring 323 is slidably installed in the sleeve 325, the first probe 322 and the second probe 324 penetrate into the sleeve 325 from the two ends of the sleeve 325, the first probe 322 and the second probe 324 are respectively Connected to both ends of the spring 323.
  • the first probe 322 and the second probe 324 are exposed at both ends of the mounting hole 313, and the first probe 322 is in elastic contact with the circuit trace 212 on the first board 21, and the second probe 324 is in contact with the signal terminal 121 of the connector 12.
  • the elastic contact can lead the radio frequency signal in the transmission module 10 to the first board 21.
  • the first board body 21 includes a substrate 211 and the above-mentioned circuit traces 212 provided on the substrate 211.
  • the radio frequency signal adapter 22 is installed on the side of the substrate 211 away from the second board 31 and connected to the circuit trace 212 so as to transmit the radio frequency signal to the external test instrument to realize the test of the transmission module 10 by the external test instrument.
  • the external test instrument is a radio frequency parameter measuring instrument such as a network analysis instrument.
  • the radio frequency signal adapter 22 is an SMA connector, but it is for reference only. Any connector that can lead out radio frequency signals is applicable to this patent.
  • the testing device of the transmission module also includes a number of fasteners 40.
  • the first plate body 21 is provided with a number of perforations 213, and the second plate body 31 is provided with a number of fixing holes 314.
  • the holes 314 are connected, and the second board 31 and the first board 21 can be detachably fixed together by the fastener 40.
  • the testing device of the transmission module further includes a number of positioning members 50
  • the first plate body 21 is also provided with a number of positioning holes 214 spaced apart from the perforation 213
  • the second plate body 31 is also provided with a number of and
  • Each positioning hole 214 is matched with a clamping hole 315, the positioning member 50 passes through the positioning hole 214 and then is firmly connected to the clamping hole 315.
  • the relative position between the second plate 31 and the first plate 21 can be accurately determined by the positioning member 50 respectively mating with the corresponding clamping holes 315 on the second plate body 31 and the positioning holes 214 on the first plate body 21 , So that the probe assembly 32 and the corresponding circuit trace 212 on the first board body 21 can be electrically connected quickly.
  • the side of the second plate 31 away from the first plate 21, that is, the second surface 312 is provided with a boss 316.
  • the shape of the boss 316 is based on The shape of the connector 12 is designed to be matched, so that the boss 316 is engaged with the connector 12 during testing.
  • a guide groove 317 is recessed on the side of the boss 316 away from the second board 31, and the guide groove 317 has a guiding function.
  • the guide groove 317 has a first groove bottom surface 318.
  • One end of the mounting hole 313 is provided on the first groove bottom surface 318 and communicates with the guide groove 317.
  • the end of the elastic probe 321 close to the transmission module 10 is exposed on the first groove bottom surface 318 outside.
  • the connector 12 on the transmission module 10 can be embedded in the guide groove 317, and the guide groove 317 can guide the second board 31 and the connector 12 to align with each other to ensure the elastic probe 321 and the signal terminal of the connector 12 121 can be accurately contacted.
  • a receiving groove 319 corresponding to the guide groove 317 is recessed on the side of the second plate 31 close to the first plate 21, that is, on the first surface 311.
  • the receiving groove 319 has a second groove bottom surface 320 and the other of the mounting hole 313 One end is arranged on the bottom surface 320 of the second groove and communicates with the receiving groove 319.
  • the end of the elastic probe 321 close to the first plate body 21 is exposed outside the bottom surface 320 of the second groove to facilitate the circuit on the first plate body 21
  • the trace 212 and the elastic probe 321 can elastically contact each other.
  • the first test component 20 and the second test component 30 realize the radio frequency signal transfer from the transmission module 10 to the test instrument, which has the following advantages:
  • the elastic probe 321 of the second test assembly 30 can be precisely designed to accurately align and abut with the connector 12, and the test accuracy is high;
  • Both the first test component 20 and the second test component 30 are plate-shaped structures, which are easy to integrate with tooling and fixtures to meet the requirements of batch testing on the production line;
  • the circuit structure of the first board body 21 can be flexibly designed, and multiple sets of flexible probes 321 can be selected to realize multiple sets of tests at the same time, which improves the test efficiency.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Testing Of Individual Semiconductor Devices (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Measuring Leads Or Probes (AREA)

Abstract

La présente invention concerne un dispositif de test de module d'émission. Le dispositif de test comprend un premier corps de plaque, un second corps de plaque relié au premier corps de plaque, un adaptateur de signal radiofréquence installé sur le premier corps de plaque et pouvant être connecté à un instrument de test externe, et un ensemble sonde installé sur le second corps de plaque et pouvant être connecté à un module d'émission d'une manière contiguë, au moins deux trous d'installation sont ménagés dans le second corps de plaque de manière pénétrante, l'ensemble sonde comprend une pluralité de sondes élastiques, chaque sonde élastique est installée dans le trou d'installation correspondant, et une extrémité de chaque sonde élastique est électriquement connectée à l'adaptateur de signal radiofréquence et l'autre extrémité de celle-ci est utilisée pour venir en butée contre le module d'émission. Grâce au dispositif de test de module d'émission, l'ensemble sonde radiofréquence est utilisé pour être en contact avec le module d'émission, des signaux radiofréquences du module d'émission sont conduits au moyen de l'ensemble sonde, et l'adaptateur de signal radiofréquence est utilisé à des fins de commutation de signal et est connecté à un instrument de test externe, de sorte que la précision du test est élevée, et le dispositif de test présente comme caractéristiques d'avoir un fonctionnement facile, d'être peu coûteux, d'avoir une longue durée de vie et de pouvoir effectuer un essai discontinu.
PCT/CN2020/079523 2020-03-02 2020-03-16 Dispositif de test de module d'émission WO2021174583A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010137627.7 2020-03-02
CN202010137627.7A CN111343050A (zh) 2020-03-02 2020-03-02 传输模组的测试装置

Publications (1)

Publication Number Publication Date
WO2021174583A1 true WO2021174583A1 (fr) 2021-09-10

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PCT/CN2020/079523 WO2021174583A1 (fr) 2020-03-02 2020-03-16 Dispositif de test de module d'émission

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CN (1) CN111343050A (fr)
WO (1) WO2021174583A1 (fr)

Cited By (3)

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CN114089068A (zh) * 2021-11-17 2022-02-25 歌尔科技有限公司 通讯模组、测试结构以及测试设备
CN114167171A (zh) * 2021-11-22 2022-03-11 中国原子能科学研究院 一种高温裂变室探测装置及高温裂变室探测系统
TWI800098B (zh) * 2021-11-15 2023-04-21 貿聯國際股份有限公司 測試板

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CN216134477U (zh) * 2020-07-08 2022-03-25 瑞声精密制造科技(常州)有限公司 传输模组的测试设备

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CN201436588U (zh) * 2009-02-06 2010-04-07 深圳市博敏电子有限公司 Pcb分布参数阻抗测试电缆及配用的阻抗测试条
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CN209151175U (zh) * 2019-02-14 2019-07-23 歌尔智能科技有限公司 一种射频测试装置

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI800098B (zh) * 2021-11-15 2023-04-21 貿聯國際股份有限公司 測試板
CN114089068A (zh) * 2021-11-17 2022-02-25 歌尔科技有限公司 通讯模组、测试结构以及测试设备
CN114167171A (zh) * 2021-11-22 2022-03-11 中国原子能科学研究院 一种高温裂变室探测装置及高温裂变室探测系统

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