CN107196158A - A kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance - Google Patents
A kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance Download PDFInfo
- Publication number
- CN107196158A CN107196158A CN201710454965.1A CN201710454965A CN107196158A CN 107196158 A CN107196158 A CN 107196158A CN 201710454965 A CN201710454965 A CN 201710454965A CN 107196158 A CN107196158 A CN 107196158A
- Authority
- CN
- China
- Prior art keywords
- contact
- jack
- contact pin
- conductor
- pin
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
Abstract
The present invention relates to a kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance, belong to connector technique field, including jack contact and contact pin contacting piece；Jack contact includes jack inner conductor, jack outer conductor and jack insulator；Contact pin contacting piece includes contact pin inner wire, contact pin outer conductor, contact pin middle conductor and contact pin insulator；Being set in jack inner conductor, there is contact pin accommodating chamber and fluting to close up, the contact insert pin for the extension that can be engaged with contact pin accommodating chamber is set in contact pin inner wire, being set simultaneously in contact pin middle conductor can be with protrusion Plug Division of the jack outer conductor to jointing holes elasticity interference fit, ensure that coaxial connector internal and external conductor can be while keep certain contact during patching, make that between internal and external conductor stable impedance can be formed, float type blindmate radio frequency connector high frequency electrical stability can be effectively improved.The present invention has the advantages that blindmate, electric property stabilization, excellent in efficiency.
Description
Technical field
The invention belongs to the float type blindmate RF coaxial connection in connector technique field, more particularly to a kind of constant impedance
Device.
Background technology
Radio frequency (RF) coaxial connector is normally mounted at the signal transmission component on cable or on instrument, is coaxial transmission system
Unite indispensable key element.It is several that radio frequency (RF) coaxial connector is generally divided into screw thread, bayonet socket, push-in type, floating type blind insertion etc..
With the rise of mobile Internet big data and Internet of Things, in the market to float type blindmate radio frequency (RF) coaxial connector demand increasingly
Greatly, the contact in the rectangular connector and cylindrical connector of high-low frequency mixed loading, is required to necessarily radial and axial
Float to realize blind plugging function.
According to Kelvin effect, RF energy always transmit between conductor by surface, the characteristic impedance size of radio frequency (RF) coaxial connector
The dielectric constant of dielectric between outer conductor and the ratio of inner wire diameter and two conductors is determined, works as whole system
Characteristic impedance be matching when, its effectiveness highest.The radio frequency (RF) coaxial connector of normal design, the internal diameter of its outer conductor
Outside dimension with inner wire is stable, and meets the optimal size of RF radio frequency transmissions.
It is particularly same in the radio frequency of boundling or the region between the heart and the diaphragm inserting structure but this radio frequency (RF) coaxial connector is in actual application
In mandrel connector, because designing the internal and external conductor in reserved tolerance and system composition error, radio frequency (RF) coaxial connector in mating process
In can exist and patch transition gap, internal and external conductor is difficult to while contact conducting, cause signal transmission discontinuous situation, letter occur
Number transmission when easily there is discontinuous impedance, there is very big reflection herein in RF signals, cause standing wave performance not good.Particularly exist
Millimeter wave frequency band, its change is even more violent, influences electric property stability.
The content of the invention
For problem above, the invention provides a kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance, connecing
During inserting, the impedance formed between radio frequency (RF) coaxial connector conductor can be consistent, and be not in big fluctuation.
(1) technical scheme
A kind of float type blindmate radio frequency (RF) coaxial connector for constant impedance that the present invention is provided, including jack contact and contact pin connect
Contact element, the jack contact includes：Jack inner conductor, jack outer conductor and jack insulator, the jack insulator are located at
Between the jack inner conductor and the jack outer conductor；The contact pin contacting piece includes：Contact pin inner wire, contact pin outer conductor,
Contact pin middle conductor and contact pin insulator, the contact pin inner wire and contact pin middle conductor are sheathed in the contact pin outer conductor
Portion, the contact pin insulator is located between the contact pin inner wire and the contact pin middle conductor；
It is provided with to jointing holes in the jack outer conductor and the cavity of the jack inner conductor front end can be accommodated；Described pair patches
The arrival end in hole is provided with the first chamfering, and the jack reference plane of the jack outer conductor is provided with the second chamfering；
Closed up in the jack inner conductor provided with contact pin accommodating chamber and fluting, the insertion end of the contact pin accommodating chamber is fallen provided with the 3rd
Angle；
The contact pin inner wire front end is provided with the contact insert pin being inserted into the jack inner conductor in contact pin accommodating chamber, described
The head of contact insert pin is provided with contact insert pin chamfering；
The contact inner chamber for patching the jack outer conductor front end, the contact inner chamber can be accommodated by being provided with the contact pin outer conductor
Insertion end provided with inner chamber insert chamfering；
End face can be positioned with the protrusion Plug Division being engaged to jointing holes and contact pin by being provided with the contact pin middle conductor,
The depth to jointing holes is more than the length of the protrusion Plug Division, patch the jack reference plane of the rear jack outer conductor with
The contact pin positioning end face is in close contact, provided with fluting and Elastic Contact ring, the Elastic Contact ring in the protrusion Plug Division
Front end provided with contact fillet.
The first gap is provided between the cavity end face of the front end face of the jack inner conductor and the jack outer conductor.
The size in first gap is the 1/8 of the cavity diameter of the jack outer conductor.
The second gap is provided between the breech face of the contact insert pin and the front end face of the protrusion Plug Division.
The length of the contact insert pin is less than the depth of the contact pin accommodating chamber.
(2) beneficial effect
Compared with prior art, the beneficial effects of the invention are as follows：
1st, by setting the jack inner conductor closed up with contact pin accommodating chamber and fluting in jack contact, in contact pin contacting piece
The contact insert pin for the extension that middle setting can be engaged with contact pin accommodating chamber, can be with inserting while being set in contact pin contacting piece
The protrusion Plug Division to jointing holes elasticity interference fit in the contact of hole, it is ensured that coaxial connector internal and external conductor can be simultaneously
Certain contact is kept during patching, makes to be formed between jack contact and the internal and external conductor of contact pin contacting piece
Stable impedance, can effectively improve float type blindmate radio frequency connector high frequency electrical stability；
2nd, corresponding chamfering is set in the internal and external conductor in jack contact and contact pin contacting piece, it is allowed to patch process and exist radially
Deviation, i.e., can realize that radial floating is patched；
3rd, the present invention is verified on RMMP and the class connectors of SMMP two by practical application, and can be good at meeting GJB599A will
Ask, electric property is stable, and good electric property can be also kept even in millimeter wave frequency band.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.Wherein：
Fig. 1 is jack contact in the float type blindmate radio frequency (RF) coaxial connector of constant impedance of the present invention and contact pin contacting piece separation
When structural representation；
Fig. 2 leans out portion and jack contact groove for contact pin contact in the float type blindmate radio frequency (RF) coaxial connector of constant impedance of the present invention
Structural representation；
Fig. 3 leans out in portion's pin jack for contact pin contact in the float type blindmate radio frequency (RF) coaxial connector of constant impedance of the present invention and led
The structural representation during pilot hole of body；
Fig. 4 is the fully-inserted contact pin contact of contact pin contacting piece in the float type blindmate radio frequency (RF) coaxial connector of constant impedance of the present invention
Structural representation after part.
Wherein component label instructions：
1st, jack contact：
11st, jack inner conductor；111st, contact pin accommodating chamber；112nd, fluting closes up；113rd, the 3rd chamfering；
12nd, jack outer conductor；121st, to jointing holes；122nd, cavity；123rd, the first chamfering；124th, jack reference plane；125th, second
Chamfering；
13rd, jack insulator；
2nd, contact pin contacting piece：
21st, contact pin inner wire；211st, contact insert pin；2111st, contact insert pin chamfering；
22nd, contact pin outer conductor；221st, inner chamber is contacted；2211st, inner chamber insertion chamfering；
23rd, contact pin middle conductor；231st, Plug Division is protruded；2311st, slot；2312nd, Elastic Contact ring；2313rd, fillet is contacted；
232nd, contact pin positioning end face；
24th, contact pin insulator.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described：
As shown in figure 1, the float type blindmate radio frequency (RF) coaxial connector of constant impedance of the present invention, including jack contact 1 and contact pin
Contact 2；The jack contact 1 includes：Jack inner conductor 11, jack outer conductor 12 and jack insulator 13, the jack
Insulator 13 is located between the jack inner conductor 11 and the jack outer conductor 12；The contact pin contacting piece 2 includes：In contact pin
In the middle of conductor 21, contact pin outer conductor 22, contact pin middle conductor 23, and contact pin insulator 24, the contact pin inner wire 21 and contact pin
Conductor 23 is sheathed on inside the contact pin outer conductor 22, and the contact pin insulator 24 is located at the contact pin inner wire 21 and described slotting
Between pin middle conductor 23；
The cavity 122 to jointing holes 121, the receiving front end of jack inner conductor 11 is provided with the jack outer conductor 12；It is described
First chamfering 123 is provided with to the arrival end of jointing holes 121, the jack reference plane 124 of the jack outer conductor 12 is provided with second
Chamfering 125；
Provided with contact pin accommodating chamber 111 and fluting closing in 112, the insertion of the contact pin accommodating chamber 111 in the jack inner conductor 11
End is provided with the 3rd chamfering 113；
The front end of contact pin inner wire 21 is provided with the contact being inserted into the jack inner conductor 11 in contact pin accommodating chamber 111 and inserted
Pin 211, the head of the contact insert pin 211 is provided with contact insert pin chamfering 2111；
The contact inner chamber 221 for patching the front end of jack outer conductor 12 can be accommodated by being provided with the contact pin outer conductor 22, described
The insertion end for contacting inner chamber 221 inserts chamfering 2211 provided with inner chamber；
Being provided with the contact pin middle conductor 23 can be with the protrusion Plug Division 231 being engaged to jointing holes 121 and contact pin
End face 232 is positioned, the depth to jointing holes 121 is more than the length of the protrusion Plug Division 231, patched outside the rear jack
The jack reference plane 124 of conductor 12 is in close contact with the positioning end face 232, provided with fluting in the protrusion Plug Division 231
2311 and Elastic Contact ring 2312, the front end of the Elastic Contact ring 2312 is provided with contact fillet 2313.
As shown in Fig. 2 due in second chamfering 125 and the contact pin outer conductor 22 in jack outer conductor 12
Chamber insertion chamfering 2211 can allow for the presence of certain radial missing when patching, in engagement process is patched, even if in contact pin
Conductor 21 has certain radial missing with the axle center to jointing holes 121 can also be smoothed out patching, i.e., can realize radially
Floating is patched.
It is provided between the front end face of the jack inner conductor 11 and the end face of cavity 122 of the jack outer conductor 12 between first
Gap H0.
The size of the first gap H0 is approximately the 1/8 of the diameter of cavity 122 of the jack outer conductor 12.
The second gap H1 is provided between the breech face of the contact insert pin 211 and the front end face of the protrusion Plug Division 231.
The length of the contact insert pin 211 is less than the depth of the contact pin accommodating chamber 111.
As shown in figure 3, when the contact insert pin 211 inserts the contact pin accommodating chamber 111 in the jack inner conductor 11, it is described to insert
The inner ring of the outer ring of hole outer conductor 12 and the contact pin outer conductor 22 coordinates for gap, can carry out auxiliary alignment in grafting process
Centering；The Elastic Contact ring 2312 that is set on protrusion Plug Division 231 in the contact pin middle conductor 23 and described to jointing holes
Elastic Contact ring 2312 in 121 elasticity interference fits, protrusion Plug Division 231 can slide axially in jointing holes 121
And certain contact is kept, make to be formed between jack outer conductor 12 and contact pin middle conductor 23 outside stable impedance, jack
Conductor 12 is also by contact pin middle conductor 23 and the stable impedance of the formation of contact pin outer conductor 22；
Meanwhile, the contact insert pin 211 in contact pin inner wire 21 also begins to progressively insert inserting in the jack inner conductor 11
In pin accommodating chamber 111, contact conducting forms stable impedance；
As shown in figure 4, being patched since the jack contact 1 with contact pin contacting piece 2, until in the jack outer conductor 12
Untill jack reference plane 124 is in close contact with the positioning end face 232 in the contact pin middle conductor 23, the contact insert pin 211
With in the contact pin accommodating chamber 111 in the jack inner conductor 11, and the jack outer conductor 12 to jointing holes 121 with it is described
Protrusion Plug Division 231 in contact pin middle conductor 23 diameter and contact in engagement process is patched keep constant, so as to protect
Card can form constant impedance, it is ensured that electric property is stable, and good electric property can be also kept even in millimeter wave frequency band.
Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
Claims (5)
1. a kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance, including jack contact and contact pin contacting piece, it is special
Levy and be：The jack contact includes：Jack inner conductor, jack outer conductor and jack insulator, the jack insulator are set
Between the jack inner conductor and the jack outer conductor；The contact pin contacting piece includes：Led outside contact pin inner wire, contact pin
Body, contact pin middle conductor and contact pin insulator, the contact pin inner wire and contact pin middle conductor are sheathed on the contact pin outer conductor
Inside, the contact pin insulator is located between the contact pin inner wire and the contact pin middle conductor；
It is provided with to jointing holes in the jack outer conductor and the cavity of the jack inner conductor front end can be accommodated；Described pair patches
The arrival end in hole is provided with the first chamfering, and the jack reference plane of the jack outer conductor is provided with the second chamfering；
Closed up in the jack inner conductor provided with contact pin accommodating chamber and fluting, the insertion end of the contact pin accommodating chamber is fallen provided with the 3rd
Angle；
The contact pin inner wire front end is provided with the contact insert pin being inserted into the jack inner conductor in contact pin accommodating chamber, described
The head of contact insert pin is provided with contact insert pin chamfering；
The contact inner chamber for patching the jack outer conductor front end, the contact inner chamber can be accommodated by being provided with the contact pin outer conductor
Insertion end provided with inner chamber insert chamfering；
End face can be positioned with the protrusion Plug Division being engaged to jointing holes and contact pin by being provided with the contact pin middle conductor,
The depth to jointing holes is more than the length of the protrusion Plug Division, patch the jack reference plane of the rear jack outer conductor with
The contact pin positioning end face is in close contact, provided with fluting and Elastic Contact ring, the Elastic Contact ring in the protrusion Plug Division
Front end provided with contact fillet.
2. a kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance according to claim 1, it is characterised in that：Institute
State and the first gap is provided between the front end face of jack inner conductor and the cavity end face of the jack outer conductor.
3. a kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance according to claim 2, it is characterised in that：Institute
It is the 1/8 of the cavity diameter of the jack outer conductor to state the size in the first gap.
4. a kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance according to claim 1, it is characterised in that：Institute
State and the second gap is provided between the breech face of contact insert pin and the front end face of the protrusion Plug Division.
5. a kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance according to claim 1, it is characterised in that：Institute
The length for stating contact insert pin is less than the depth of the contact pin accommodating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454965.1A CN107196158A (en) | 2017-06-16 | 2017-06-16 | A kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710454965.1A CN107196158A (en) | 2017-06-16 | 2017-06-16 | A kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107196158A true CN107196158A (en) | 2017-09-22 |
Family
ID=59878553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710454965.1A Pending CN107196158A (en) | 2017-06-16 | 2017-06-16 | A kind of float type blindmate radio frequency (RF) coaxial connector of constant impedance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107196158A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736203A (en) * | 2018-07-28 | 2018-11-02 | 中国电子科技集团公司第四十研究所 | A kind of high-performance floating blind inserting radio frequency coaxial connector |
| CN109361122A (en) * | 2018-11-06 | 2019-02-19 | 吴通控股集团股份有限公司 | A kind of antistatic protection radio frequency (RF) coaxial connector |
| CN109874282A (en) * | 2019-04-03 | 2019-06-11 | 中国电子科技集团公司第二十九研究所 | A kind of liquid sealing device in separable face |
| CN110011142A (en) * | 2018-01-05 | 2019-07-12 | 康普技术有限责任公司 | The method of the outer contact of coaxial connector and manufacture coaxial connector |
| CN110299653A (en) * | 2018-11-21 | 2019-10-01 | 陕西金信诺电子技术有限公司 | A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled |
| WO2022226704A1 (en) * | 2021-04-25 | 2022-11-03 | 华为技术有限公司 | Connection device and radio frequency module |
-
2017
- 2017-06-16 CN CN201710454965.1A patent/CN107196158A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011142A (en) * | 2018-01-05 | 2019-07-12 | 康普技术有限责任公司 | The method of the outer contact of coaxial connector and manufacture coaxial connector |
| CN108736203A (en) * | 2018-07-28 | 2018-11-02 | 中国电子科技集团公司第四十研究所 | A kind of high-performance floating blind inserting radio frequency coaxial connector |
| CN109361122A (en) * | 2018-11-06 | 2019-02-19 | 吴通控股集团股份有限公司 | A kind of antistatic protection radio frequency (RF) coaxial connector |
| CN110299653A (en) * | 2018-11-21 | 2019-10-01 | 陕西金信诺电子技术有限公司 | A kind of SMA type radio frequency (RF) coaxial connector that semi-rigid cable and phase-adjustable section is coupled |
| CN109874282A (en) * | 2019-04-03 | 2019-06-11 | 中国电子科技集团公司第二十九研究所 | A kind of liquid sealing device in separable face |
| WO2022226704A1 (en) * | 2021-04-25 | 2022-11-03 | 华为技术有限公司 | Connection device and radio frequency module |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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Address after: 350000, unit 73, 5 / F, building 2, Wanfu center, 10 Chuangye Road, high tech Zone, Fuzhou City, Fujian Province Applicant after: Fujian maikebo Electronic Technology Group Co., Ltd Address before: 4, building 350003, Building 29, Software Park Development Zone, Gulou District, Fujian, Fuzhou Applicant before: MICABLE Inc. |