CN107850625B - Radio frequency detection device - Google Patents
Radio frequency detection device Download PDFInfo
- Publication number
- CN107850625B CN107850625B CN201680040148.5A CN201680040148A CN107850625B CN 107850625 B CN107850625 B CN 107850625B CN 201680040148 A CN201680040148 A CN 201680040148A CN 107850625 B CN107850625 B CN 107850625B
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- radio frequency
- probe
- pcb
- needle core
- frequency detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 239000000523 sample Substances 0.000 claims abstract description 95
- 238000012360 testing method Methods 0.000 claims abstract description 20
- 230000008054 signal transmission Effects 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 20
- 210000001503 joint Anatomy 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 5
- IYZWUWBAFUBNCH-UHFFFAOYSA-N 2,6-dichlorobiphenyl Chemical compound ClC1=CC=CC(Cl)=C1C1=CC=CC=C1 IYZWUWBAFUBNCH-UHFFFAOYSA-N 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000005433 ionosphere Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/06—Measuring leads; Measuring probes
- G01R1/067—Measuring probes
- G01R1/073—Multiple probes
Abstract
A radio frequency detection device comprises a PCB (printed circuit board) (10), a needle carrier plate (20) and a test board (30), wherein the PCB (10) is arranged on the needle carrier plate (20), the test board (30) is positioned below the needle carrier plate (20), a plurality of probes (40) are arranged in the needle carrier plate (20), the tops of the probes (40) are connected with the PCB (10), one end of the PCB (10) is connected with a radio frequency line unit (60), the radio frequency line unit (60) is connected between the PCB (10) and a radio frequency detection instrument (50), signal transmission between the PCB (10) and the radio frequency detection instrument (50) is completed through the radio frequency line unit (60), a plurality of PCB interfaces (11) are arranged on the PCB (10), one end of each radio frequency line (61) is correspondingly connected to the PCB interfaces (11), a circuit trace portion (70) is disposed on the PCB circuit board (10), and the circuit trace portion (70) is connected between the probe (40) and the PCB interface (11).
Description
Technical Field
The present invention relates to a detection device, and more particularly, to a device for performing rf detection on an rf module and an rf component of an electronic product.
Background
Radio Frequency (RF) is an abbreviation for Radio Frequency, which represents an electromagnetic Frequency that can be radiated into space, ranging from 300KHz to 300 GHz. The short term Radio Frequency (RF) is radio frequency current, which is a short term for high frequency Alternating Current (AC) variable electromagnetic wave. Alternating current that changes less than 1000 times per second is called low frequency current, and alternating current that changes more than 10000 times per second is called high frequency current, and radio frequency is such a high frequency current. Radio frequency technology is mainly used in wireless communication products, such as network base stations, mobile phones, notebooks and other products, in the theory of electronics, current flows through conductors, and magnetic fields are formed around the conductors; an alternating current passes through a conductor, around which an alternating electromagnetic field, called an electromagnetic wave, is formed. When the frequency of the electromagnetic waves is lower than 100khz, the electromagnetic waves can be absorbed by the earth surface and cannot form effective transmission, but when the frequency of the electromagnetic waves is higher than 100khz, the electromagnetic waves can be transmitted in the air and reflected by an ionosphere at the outer edge of the atmosphere to form long-distance transmission capability, and the high-frequency electromagnetic waves with the long-distance transmission capability are called radio frequency; radio frequency technology is widely used in the field of wireless communications.
Radio frequency modules or radio frequency elements in products such as mobile phones, notebooks, tablet computers and the like are core components in the electronic products, and directly determine the product quality of related electronic products, so that the radio frequency module or the radio frequency element has extremely important significance for detecting the radio frequency part of the products during production detection.
Some rf detection devices are also available on the market, but these rf detection devices have many disadvantages when used, which are described below: firstly, the radio frequency probe of the detection tool is large, the space required by the clamping and fixing device is large, and the clamping is troublesome; secondly, radio frequency probe clamping precision is low, can't satisfy the high accuracy requirement, connects when radio frequency probe is many and need connect a large amount of radio frequency lines, and is disorderly and has no chapter, and in addition, current probe connection radio frequency line is longer, and the line loss is great, influences the test effect, and simultaneously, PCB corresponds probe position needs to keep away the sky at present, and the space that the PCB board can be controlled reduces, and this is the main shortcoming of prior art.
Disclosure of Invention
The invention provides a radio frequency detection device, wherein a radio frequency probe part can be made small as required, so that the installation space can be greatly saved, the clamping precision of the radio frequency probe is improved, and the high-precision requirement can be met.
The technical scheme adopted by the invention is as follows: a radio frequency detection device comprises a PCB (printed circuit board), a needle carrier plate and a test board, wherein the PCB is arranged on the needle carrier plate, the test board is positioned below the needle carrier plate, a plurality of probes are arranged in the needle carrier plate, and the tops of the probes are connected with the PCB. When testing, firstly, the radio frequency module or the radio frequency element to be tested is placed on the test board, then the pin carrier board is butted with the test board, and at the moment, a plurality of probes are contacted with corresponding positions of a product to be tested on the test board and then communicated with each other and transfer signals. The signal is transmitted to a radio frequency detection instrument through the PCB, and a detection result is fed back to related detection personnel in real time.
One end of the PCB circuit board is connected with a radio frequency wire unit. The radio frequency line unit is connected between the PCB and the radio frequency detection instrument, and signal transmission between the PCB and the radio frequency detection instrument is completed through the radio frequency line unit. The radio frequency line unit comprises a plurality of radio frequency lines. The PCB circuit board is provided with a plurality of PCB interfaces, and one end of each radio frequency wire is correspondingly connected to the PCB interfaces. Several of the rf lines may be arranged parallel to each other. When the probe is implemented, the top of the probe is connected with the PCB, the probe is integrally arranged in the needle carrier plate in a penetrating way, and the probe penetrates out from the lower part of the needle carrier plate.
The PCB circuit board is provided with a circuit wiring part which is connected between the probe and the PCB interface, and the signal transmission between the probe and the PCB interface is completed through the circuit wiring part. The periphery of the circuit wiring part is provided with a shielding structure so as to achieve the purpose of shielding signal interference.
The radio frequency line is a high-frequency connecting line, two ends of the radio frequency line are respectively provided with a high-frequency connecting line interface, wherein the high-frequency connecting line interface at one end of the radio frequency line is connected with the PCB board interface, the high-frequency connecting line interface at the other end of the radio frequency line is connected with an equipment interface on the radio frequency detection instrument, and the bottom surface of the needle support plate is also provided with an upper support plate.
The probe comprises a probe body, a probe connecting seat, a butt joint needle core, a probe needle core and an insulation shielding part, wherein the probe body is arranged in the probe carrier plate in a penetrating way and provided with an inner cavity through hole, the probe connecting seat is arranged at the top of the probe body, the probe connecting seat is connected with the circuit wiring part, the butt joint needle core and the probe needle core are arranged in the inner cavity through hole of the probe body, the butt joint needle core is connected between the probe connecting seat and the top of the probe needle core, the probe needle core penetrates out from the lower part of the inner cavity through hole, the insulation shielding part is arranged around the butt joint needle core and the probe needle core to achieve the function of insulation shielding, the insulation shielding part comprises a first insulation shielding part, a second insulation shielding part and a third insulation shielding part, wherein the first insulation shielding part is arranged around the butt joint needle core and the top of the probe needle core, the second insulation shielding part and the third insulation shielding part are arranged at the upper end and the lower end of the probe needle core in a surrounding mode, a main body auxiliary sleeve is sleeved on a part, penetrating out of the lower portion of the inner cavity through hole, of the probe needle core, and the top of the main body auxiliary sleeve is inserted into the bottom of the probe main body.
The invention has the beneficial effects that: the probe can be organically combined with the electronic PCB, the radio frequency line part is wired through the PCB, the PCB is attractive and practical, the wiring mode is reasonable, in addition, the clamping precision of the radio frequency probe is improved, the high precision requirement can be met, the technical scheme of the invention provides a more free space mode for circuit layout, and meanwhile, the radio frequency line part is wired through the PCB, and the cost can be greatly saved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
FIG. 3 is a schematic cross-sectional view of a probe according to the present invention.
Detailed Description
As shown in fig. 1 to 3, a radio frequency detecting device includes a PCB 10, a pin carrier 20 and a testing board 30, wherein the PCB 10 is disposed on the pin carrier 20, the testing board 30 is disposed under the pin carrier 20, a plurality of probes 40 are disposed in the pin carrier 20, and tops of the probes 40 are connected to the PCB 10.
When testing, firstly, the rf module or rf device to be tested is placed on the testing board 30, and then the pin carrier board 20 is abutted with the testing board 30, at this moment, the plurality of probes 40 are connected and connected with signals after contacting the corresponding positions of the product a to be tested on the testing board 30.
The signal is transmitted to a radio frequency detection instrument 50 through the PCB 10, and the detection result is fed back to the relevant detection personnel in real time.
Traditional check out test set adopts the mode of simple wiring to accomplish when carrying out signal transmission, also utilizes a plurality of signal line lug connection between probe afterbody and radio frequency detecting instrument, and this kind of signal transmission mode need connect a large amount of radio frequency lines, and is disorderly, and in addition, the radio frequency line of connecting is longer, and the line loss is great, influence test effect that can be very big.
One end of the PCB circuit board 10 is connected with a radio frequency line unit 60.
The rf line unit 60 is connected between the PCB 10 and the rf detecting instrument 50, and the signal transmission between the PCB 10 and the rf detecting instrument 50 is completed through the rf line unit 60.
The rf line unit 60 includes a plurality of rf lines 61.
In practical implementation, the PCB 10 is provided with a plurality of PCB interfaces 11, and one end of each rf line 61 is correspondingly connected to the PCB interface 11.
Several of the radio frequency lines 61 may be arranged parallel to each other.
In an implementation, the top of the probe 40 is connected to the PCB 10, the probe 40 is integrally inserted into the needle carrier 20, and the probe 40 passes through the needle carrier 20.
A circuit trace portion 70 is disposed on the PCB 10, the circuit trace portion 70 is connected between the probe 40 and the PCB interface 11, and signal transmission between the probe 40 and the PCB interface 11 is completed through the circuit trace portion 70.
The circuit trace portion 70 is provided with a shielding structure around to achieve the purpose of shielding signal interference.
In a specific implementation, the radio frequency line 61 is a high frequency connection line, and two ends of the radio frequency line 61 are respectively provided with a high frequency connection line interface 62, wherein the high frequency connection line interface 62 at one end of the radio frequency line 61 is connected with the PCB board interface 11.
The high frequency connection line interface 62 at the other end of the rf line 61 is connected to the device interface 51 of the rf detection device 50.
In practical implementation, an upper carrier plate 21 is further disposed on the bottom surface of the needle carrier plate 20.
As shown in fig. 3, in an implementation, the probe 40 includes a probe body 41, a probe connecting seat 42, a docking core 43, a probe core 44 and an insulation shielding portion, wherein the probe body 41 is inserted into the needle carrier plate 20, and the probe body 41 has an inner cavity through hole.
The probe connecting seat 42 is disposed on the top of the probe body 41, and the probe connecting seat 42 is connected with the circuit trace portion 70.
The docking needle core 43 and the probe needle core 44 are disposed in the bore of the probe body 41, wherein the docking needle core 43 is connected between the probe connecting seat 42 and the top of the probe needle core 44, and the probe needle core 44 passes through the bore of the bore.
The dielectric shield is disposed around the pair of cores 43 and the probe core 44 to provide a dielectric shield.
In particular implementations, the dielectric shield portion 45 includes a first dielectric shield portion 451, a second dielectric shield portion 452, and a third dielectric shield portion 453. Wherein the first insulation shield portion 451 is circumferentially disposed around the top of the pair of cores 43 and the probe core 44. The second insulating shield portion 452 and the third insulating shield portion 453 are disposed around the upper and lower ends of the probe core 44.
The part of the probe needle core 44 passing through the lower part of the inner cavity perforation is sleeved with a main body auxiliary sleeve 46, and the top of the main body auxiliary sleeve 46 is inserted at the bottom of the probe main body 41.
In practical application, the rf signal transmitting port B of the product a under test is located right below the probe 40, and when the probe 40 contacts the rf signal transmitting port B, the connection and signal transfer operations can be performed immediately.
Claims (7)
1. The utility model provides a radio frequency detection device, its includes PCB circuit board, needle carrier plate and surveys test panel, its characterized in that: the PCB is arranged on the pin carrier plate, the test board is positioned below the pin carrier plate, a plurality of probes are arranged in the pin carrier plate, the tops of the probes are connected with the PCB, one end of the PCB is connected with a radio frequency line unit, the radio frequency line unit is connected between the PCB and a radio frequency detection instrument, signal transmission between the PCB and the radio frequency detection instrument is completed through the radio frequency line unit, a plurality of PCB interfaces are arranged on the PCB, one end of each radio frequency line is correspondingly connected to the PCB interface, a circuit routing part is arranged on the PCB, and the circuit routing part is connected between the probes and the PCB interfaces;
the probe comprises a butt joint needle core, a probe needle core and an insulation shielding part, wherein the insulation shielding part comprises a first insulation shielding part, a second insulation shielding part and a third insulation shielding part, the first insulation shielding part surrounds the butt joint needle core and the top of the probe needle core, and the second insulation shielding part and the third insulation shielding part surround the upper end and the lower end of the probe needle core.
2. A radio frequency detection device as claimed in claim 1, wherein: the probe also comprises a probe body and a probe connecting seat, wherein the probe body is arranged in the probe support plate in a penetrating manner, the probe body is provided with an inner cavity perforation, the probe connecting seat is arranged at the top of the probe body, meanwhile, the probe connecting seat is connected with the circuit wiring part, the butt joint needle core and the probe needle core are arranged in the inner cavity perforation of the probe body, the butt joint needle core is connected between the probe connecting seat and the top of the probe needle core, the probe needle core penetrates out from the lower part of the inner cavity perforation, a main body auxiliary sleeve is sleeved on the part of the probe needle core penetrating out from the lower part of the inner cavity perforation, and the top of the main body auxiliary sleeve is inserted into the bottom of the probe body.
3. A radio frequency detection device as claimed in claim 1, wherein: the radio frequency line unit comprises a plurality of radio frequency lines which are arranged in parallel.
4. A radio frequency detection device as claimed in claim 1, wherein: the top of the probe is connected with the PCB.
5. A radio frequency detection device as claimed in claim 1, wherein: the periphery of the circuit wiring part is provided with a shielding structure.
6. A radio frequency detection device as claimed in claim 1, wherein: the radio frequency line is a high-frequency connecting line, and two ends of the radio frequency line are respectively provided with a high-frequency connecting line interface, wherein the high-frequency connecting line interface at one end of the radio frequency line is connected with the PCB interface, and the high-frequency connecting line interface at the other end of the radio frequency line is connected with an equipment interface on the radio frequency detection instrument.
7. A radio frequency detection device as claimed in claim 1, wherein: an upper carrier plate is also arranged on the bottom surface of the needle carrier plate.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/076764 WO2017156780A1 (en) | 2016-03-18 | 2016-03-18 | Radio-frequency detection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107850625A CN107850625A (en) | 2018-03-27 |
| CN107850625B true CN107850625B (en) | 2020-04-24 |
Family
ID=59850123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680040148.5A Expired - Fee Related CN107850625B (en) | 2016-03-18 | 2016-03-18 | Radio frequency detection device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107850625B (en) |
| WO (1) | WO2017156780A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781431A (en) * | 2020-07-13 | 2020-10-16 | 芝纶自动化科技(上海)有限公司 | Testing device |
| CN112433099A (en) * | 2020-09-28 | 2021-03-02 | 中国电子科技集团公司第二十九研究所 | Method for detecting signals of multi-layer board embedded broadband radio frequency transmission line |
| CN113848351B (en) * | 2021-08-16 | 2023-07-25 | 昆山德普福电子科技有限公司 | High frequency detection assembly |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202693636U (en) * | 2012-04-28 | 2013-01-23 | 重庆枫美信息技术股份有限公司 | RF testing shielding box |
| CN203535076U (en) * | 2013-10-16 | 2014-04-09 | 深圳市策维科技有限公司 | Flexible circuit board testing and switching clamp |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2251081B (en) * | 1990-12-18 | 1995-08-23 | Motorola Ltd | Automatic analysis apparatus |
| JP2004108898A (en) * | 2002-09-17 | 2004-04-08 | Advantest Corp | Performance board and test system |
| CN2648742Y (en) * | 2003-09-04 | 2004-10-13 | 杭州斯达康通讯有限公司 | Cellphone radio-frequency test circuit |
| CN201207715Y (en) * | 2008-03-07 | 2009-03-11 | 鸿富锦精密工业（深圳）有限公司 | RF test system and RF test circuit thereof |
| CN201503443U (en) * | 2009-09-30 | 2010-06-09 | 襄樊启创机电科技开发有限公司 | Low-impedance probe |
| CN102013930A (en) * | 2010-12-13 | 2011-04-13 | 上海市共进通信技术有限公司 | Radio-frequency (RF) signal test connection structure and radio-frequency signal test optimization method |
| CN102711361A (en) * | 2011-03-28 | 2012-10-03 | 鸿富锦精密工业（深圳）有限公司 | Circuit board |
| 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 |
| CN203930000U (en) * | 2014-05-27 | 2014-11-05 | 深圳市策维科技有限公司 | A kind of test platform |
| CN203909240U (en) * | 2014-06-27 | 2014-10-29 | 深圳市中冀联合通讯技术有限公司 | Detection device based on PCB radio frequency signal |
-
2016
- 2016-03-18 WO PCT/CN2016/076764 patent/WO2017156780A1/en active Application Filing
- 2016-03-18 CN CN201680040148.5A patent/CN107850625B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202693636U (en) * | 2012-04-28 | 2013-01-23 | 重庆枫美信息技术股份有限公司 | RF testing shielding box |
| CN203535076U (en) * | 2013-10-16 | 2014-04-09 | 深圳市策维科技有限公司 | Flexible circuit board testing and switching clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017156780A1 (en) | 2017-09-21 |
| CN107850625A (en) | 2018-03-27 |
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Effective date of registration: 20220525 Address after: 518110 Room 301, buildings a and B, a Bao Xuming science and Technology Park, Guihua community, Guanlan street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Jiaxin New Technology Co.,Ltd. Address before: 518110 Alimet Industrial Park, No. 14, 1st Road, Xiawei Industrial Zone, Zhangkeng path, Guanlan street, Longhua new area, Shenzhen, Guangdong Patentee before: SHENZHEN ULMT TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20200424 |