CN205786727U - A kind of rf probe - Google Patents
A kind of rf probe Download PDFInfo
- Publication number
- CN205786727U CN205786727U CN201620480558.9U CN201620480558U CN205786727U CN 205786727 U CN205786727 U CN 205786727U CN 201620480558 U CN201620480558 U CN 201620480558U CN 205786727 U CN205786727 U CN 205786727U
- Authority
- CN
- China
- Prior art keywords
- probe
- cable
- shield shell
- beryllium
- connecting part
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
This utility model relates to a kind of test probe, specifically a kind of rf probe.This utility model provides a kind of rf probe, including radio frequency connector (1) and probe (6), connected by conducting connecting part (2) between described radio frequency connector (1) and probe (6), it is characterized in that, described probe (6) is beryllium-bronze material and described probe (6) outer layer is provided with conduction wearing layer.Technical problem to be solved in the utility model is that the service life of prior art probe and cut-off frequency are the highest, and then provides a kind of service life and the higher rf probe of cut-off frequency.
Description
Technical field
This utility model relates to a kind of test probe.Specifically a kind of rf probe.
Background technology
When wiring board is tested by prior art, need to weld one or several in the circuit board even
Connect device, then be connected on test instrunment test by cable assembly.The material of the jack of adapter
It is pyrite, uses the mode of extruding jack middle part to make aperture diminish, reach the effect contacted with contact pin.
Adopt and be attached test in manner just described.
Chinese patent CN203909240U discloses the detection device of a kind of Based PC B radiofrequency signal, its
Including shell and inner wire, described casing is located on described inner wire, and described inner wire includes insulation division
Part, female part and probe；Described casing is located on described insulating element, and described female part is interted
In described insulating element, described probe is interspersed in described shell.
In above-mentioned patent documentation, the detection device of described Based PC B radiofrequency signal can apply to network interface card,
The test of the wiring board such as router motherboard, cell phone mainboard.During test, probe needs frequently to mention or insert
In the instrument connection of detection, probe is ordinary metallic material, serious wear after the use of up to ten thousand times, uses
Life-span is low.
Utility model content
To this end, technical problem to be solved in the utility model is the service life of prior art probe not
Height, and then provide a kind of service life higher rf probe.
For solving above-mentioned technical problem, this utility model provides a kind of rf probe, including radio frequency connector
And probe, being connected by conducting connecting part between described radio frequency connector and probe, described probe is that beryllium is blue or green
Copper material and described probe outer layer are provided with conduction wearing layer.
Described conduction wearing layer is gold.
The thickness of described conduction wearing layer is 2-3um, and the hardness of described beryllium-bronze material is
HRC45-HRC60。
The hardness of described beryllium-bronze material is HRC55.
Described conducting connecting part is half steel cable, and described half steel cable is led in including the cable being connected with probe
Body, cable outer conductor and the cable insulation being filled between described cable inner conductor and described cable outer conductor
Body.
Described conducting connecting part is arranged with shield shell near described probe one end, and described shield shell sets
It is equipped with the elastic spring that one end is fixed on described shield shell, the other end is unsettled.
Described elastic spring is the circular arc reed bent towards described shield shell.
Elastic spring described in two by contacting realization electrical connection with a conductive metal sheet.
Described radio frequency connector is 2.4mm K-type adapter or 2.92mm K-type adapter.
The cut-off frequency of described conducting connecting part is 40GHZ, and characteristic impedance is 50 ohm.
Technique scheme of the present utility model has the following advantages compared to existing technology,
1., in rf probe described in the utility model, it includes radio frequency connector and probe, described radio frequency
Being connected by conducting connecting part between adapter and probe, described probe is beryllium-bronze material and described probe
Outer layer is provided with conduction wearing layer.Probe tip part of the present utility model have employed beryllium-bronze material, beryllium
Bronze is a kind of precipitation hardenable alloy, is provided with again one layer of conduction at this beryllium-bronze outer layer wear-resisting simultaneously
Layer, greatly improves the wearability of probe, and then improves its service life, and its service life is more than
More than 1000000 times.
2., in rf probe described in the utility model, the thickness of described conduction wearing layer is 2-3um, institute
The hardness stating beryllium-bronze material is HRC45～HRC60.There is after heat treatment the highest intensity, hardness, bullet
The property limit and fatigue limit, elastic hysteresis is little, and has corrosion resistance characteristic, further increases it wear-resisting
Performance.
3., in rf probe described in the utility model, described conducting connecting part overlaps near described probe one end
Be provided with shield shell, described shield shell is provided with one end be fixed on described shield shell, the other end
Unsettled elastic spring；Elastic spring described in two by contacting realization electrical connection with a conductive metal sheet；I.e.
Compared with passing through electric wire electrical connection in prior art, two probe relative movements are more flexible, and its suitability is more
Good, structure is simpler.
4., in rf probe described in the utility model, described elastic spring is curved towards described shield shell
Bent circular arc reed, will be fabricated to circular arc by elastic spring, be realized more reliably by Elastic Contact
Ground connection.
5., in rf probe described in the utility model, described radio frequency connector is 2.4mm K-type adapter
Or 2.92mm K-type adapter, the cut-off frequency of described conducting connecting part is 40GHZ, and characteristic impedance is
50 ohm, cut-off frequency is high, and its scope of application is wider.
Accompanying drawing explanation
In order to make content of the present utility model be more likely to be clearly understood, below according to of the present utility model
Instantiation also combines accompanying drawing, is described in further detail this utility model, wherein
Fig. 1 is the structural representation of rf probe described in the utility model；
Fig. 2 is the probe portion structural representation of rf probe described in the utility model；
Fig. 3 be rf probe Elastic reed described in the utility model when being connected with conductive metal sheet just
View；
Fig. 4 is the side view of Fig. 3.
In figure, reference is expressed as: 1-radio frequency connector；2-conducting connecting part；2'-half steel cable；3-
Cable insulation；4-shield shell；5-elastic spring；6-probe, 7-conductive metal sheet；
Detailed description of the invention
Fig. 1 and Fig. 2 show rf probe described in the present embodiment, including radio frequency connector 1 and probe 6,
Being connected by conducting connecting part 2 between described radio frequency connector 1 and probe 6, described probe 6 is that beryllium is blue or green
Copper material and described probe 6 outer layer are provided with conduction wearing layer.The wearing layer that conducts electricity described in the present embodiment is
Gold.The thickness of described conduction wearing layer is 2-3um, arranges the thickness of described conduction wearing layer in the present embodiment
Degree is 2 microns, and the hardness of described beryllium-bronze material is more than HRC45, beryllium-bronze described in the present embodiment
The hardness of material is HRC55.Described radio frequency connector 1 is 2.4mm K-type adapter.
Described conducting connecting part 2 is half steel cable 2 ', and described half steel cable 2 ' includes being connected with probe 6
Cable inner conductor, cable outer conductor and be filled between described cable inner conductor and described cable outer conductor
Cable insulation 3, cable insulation 3 described in the present embodiment is politef.Described conduction is even
Fitting 2 is arranged with shield shell 4 near described probe 6 one end, and described shield shell 4 is provided with one
The elastic spring 5 that end is fixed on described shield shell 4, the other end is unsettled.Bullet described in the present embodiment
Property reed 5 be towards described shield shell 4 bending circular arc reed.Conduction described in the present embodiment is even
The cut-off frequency of fitting 2 is 40GHZ, and characteristic impedance is 50 ohm.
During use, by contacting realization electrical connection with a conductive metal sheet between elastic spring 5 described in two,
As shown in Figure 3 and Figure 4, conductive metal sheet ground connection, i.e. realize ground connection more reliably by Elastic Contact.
As disposable embodiment, it is 3 micro-for arranging the thickness of described conduction wearing layer in the present embodiment
Rice, the hardness of described beryllium-bronze material is HRC45.Radio frequency connector 1 described in the present embodiment is replaceable
For the one in 2.92mm K-type adapter, 3.5mm adapter or SMA adapter.In the present embodiment
Described elastic spring 5 can be replaced vertical bar shape or arc spring leaf.
Rf probe described in the present embodiment is particularly well-suited to penetrating of automatic measurement frequency range 0-40GHz
Frequently the line characteristic impedance (including single-ended impedance and differential impedance) of PCB printed circuit board.
Obviously, above-described embodiment is only for clearly demonstrating example, and not to embodiment
Restriction.For those of ordinary skill in the field, can also do on the basis of the above description
Go out change or the variation of other multi-form.Here without also all of embodiment being given thoroughly
Lift.And the obvious change thus extended out or variation are still in the protection domain of the invention
Among.
Claims (10)
1. a rf probe, including radio frequency connector (1) and probe (6), described radio frequency connector
(1) and connected by conducting connecting part (2) between probe (6), it is characterised in that described probe (6)
Beryllium-bronze material and described probe (6) outer layer are provided with conduction wearing layer.
Rf probe the most according to claim 1, it is characterised in that described conduction wearing layer is gold.
Rf probe the most according to claim 2, it is characterised in that the thickness of described conduction wearing layer
Degree is 2-3um, and the hardness of described beryllium-bronze material is more than HRC45.
Rf probe the most according to claim 3, it is characterised in that described beryllium-bronze material hard
Degree is HRC55.
5. according to the arbitrary described rf probe of claim 1-4, it is characterised in that described in be conductively connected
Part (2) is half steel cable (2 '), and described half steel cable (2 ') includes the cable being connected with probe (6)
Inner wire, cable outer conductor and the cable being filled between described cable inner conductor and described cable outer conductor
Insulator (3).
Rf probe the most according to claim 5, it is characterised in that described conducting connecting part (2)
Being arranged with shield shell (4) near described probe (6) one end, described shield shell is provided with on (4)
One end is fixed on the elastic spring (5) that described shield shell (4) is upper, the other end is unsettled.
Rf probe the most according to claim 6, it is characterised in that described elastic spring (5) is
The circular arc reed bent towards described shield shell (4).
8. according to rf probe described in claim 6 or 7, it is characterised in that elastic spring described in two
(5) by contacting realization electrical connection with a conductive metal sheet.
9. according to claim 1-4,6,7 arbitrary described rf probes, it is characterised in that described in penetrate
Frequently adapter (1) is 2.4mm K-type adapter or 2.92mm K-type adapter.
Rf probe the most according to claim 9, it is characterised in that described conducting connecting part (2)
Cut-off frequency be 40GHZ, characteristic impedance is 50 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620480558.9U CN205786727U (en) | 2016-05-24 | 2016-05-24 | A kind of rf probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620480558.9U CN205786727U (en) | 2016-05-24 | 2016-05-24 | A kind of rf probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205786727U true CN205786727U (en) | 2016-12-07 |
Family
ID=58114037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620480558.9U Active CN205786727U (en) | 2016-05-24 | 2016-05-24 | A kind of rf probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205786727U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030886A (en) * | 2018-08-10 | 2018-12-18 | 浙江金连接科技有限公司 | A kind of precision measurement probe beryllium-bronze foundation head |
| CN111596097A (en) * | 2020-05-12 | 2020-08-28 | 渭南高新区木王科技有限公司 | Probe type radio frequency test connector |
| CN112230026A (en) * | 2020-11-09 | 2021-01-15 | 中国电子科技集团公司第二十九研究所 | Microwave probe for detecting local performance of microsystem |
| CN113219222A (en) * | 2021-07-08 | 2021-08-06 | 航天科工通信技术研究院有限责任公司 | Radio frequency probe for micro-packaging application |
| CN116754814A (en) * | 2023-08-11 | 2023-09-15 | 杭州朗迅科技股份有限公司 | High-density probe card, preparation method and test method |
-
2016
- 2016-05-24 CN CN201620480558.9U patent/CN205786727U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109030886A (en) * | 2018-08-10 | 2018-12-18 | 浙江金连接科技有限公司 | A kind of precision measurement probe beryllium-bronze foundation head |
| CN109030886B (en) * | 2018-08-10 | 2024-04-12 | 浙江金连接科技股份有限公司 | Beryllium bronze bottom column head for precision test probe |
| CN111596097A (en) * | 2020-05-12 | 2020-08-28 | 渭南高新区木王科技有限公司 | Probe type radio frequency test connector |
| CN112230026A (en) * | 2020-11-09 | 2021-01-15 | 中国电子科技集团公司第二十九研究所 | Microwave probe for detecting local performance of microsystem |
| CN112230026B (en) * | 2020-11-09 | 2023-05-02 | 中国电子科技集团公司第二十九研究所 | Microwave probe for detecting local performance of microsystem |
| CN113219222A (en) * | 2021-07-08 | 2021-08-06 | 航天科工通信技术研究院有限责任公司 | Radio frequency probe for micro-packaging application |
| CN113219222B (en) * | 2021-07-08 | 2021-09-03 | 航天科工通信技术研究院有限责任公司 | Radio frequency probe for micro-packaging application |
| CN116754814A (en) * | 2023-08-11 | 2023-09-15 | 杭州朗迅科技股份有限公司 | High-density probe card, preparation method and test method |
| CN116754814B (en) * | 2023-08-11 | 2023-10-24 | 杭州朗迅科技股份有限公司 | High-density probe card, preparation method and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205786727U (en) | A kind of rf probe | |
| US9431773B2 (en) | Probe-type connector | |
| US9645172B2 (en) | Cable assembly | |
| CN107796966B (en) | Vertical probe and method for fabricating the same, and probe head and probe card using the same | |
| CN107425366A (en) | Connector | |
| CN101529650A (en) | Impedance matched circuit board | |
| EP2518117A1 (en) | Electrical conductors having organic compound coatings | |
| JP2007527600A5 (en) | ||
| CN108736193A (en) | A kind of floating radio-frequency coaxial connector for being electrically connected between plate | |
| CA2498469A1 (en) | Compression multi-tap 360 degree rotating connect/disconnect terminal | |
| KR100898503B1 (en) | Interposer for high frequency | |
| KR20100098033A (en) | Conductive connector | |
| TWI691129B (en) | Plug device | |
| CN108390235B (en) | Contact and its manufacturing method | |
| US20240012023A1 (en) | Contactor and method of manufacturing the same | |
| US9316685B2 (en) | Probe card of low power loss | |
| CN107534236A (en) | A kind of probe adapter single needle and probe adapter | |
| CN207572578U (en) | A kind of highly conductive anti-oxidant connection terminal and connector plug | |
| CN203942032U (en) | Electric connector | |
| CN207098233U (en) | A kind of adapter and the electric coupler component with the adapter | |
| CN109687240A (en) | The big tolerance radio frequency connector of single type | |
| CN204631079U (en) | Test probe | |
| JP6046200B2 (en) | Transmission line and inspection jig | |
| CN112924726A (en) | Testing device | |
| CN209570612U (en) | It checks and uses L-type coaxial connector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |