CN103311749B - A kind of radio frequency connector - Google Patents
A kind of radio frequency connector Download PDFInfo
- Publication number
- CN103311749B CN103311749B CN201310179839.1A CN201310179839A CN103311749B CN 103311749 B CN103311749 B CN 103311749B CN 201310179839 A CN201310179839 A CN 201310179839A CN 103311749 B CN103311749 B CN 103311749B
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- Prior art keywords
- hollow tube
- connector
- radio frequency
- inner wire
- described hollow
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Abstract
The invention discloses a kind of radio frequency connector, relate to appliance component technical field, in order to improve the shield effectiveness of radio frequency, reduce the required space taken when it is installed simultaneously.This radio frequency connector includes hollow tube and the inner wire being enclosed within described hollow tube, the top of described inner wire and hollow tube is fixed by insulator, the bottom of the bottom of described hollow tube is provided with the dovetail groove of annular, is arranged with spring in described dovetail groove.
Description
Technical field
The present invention relates to appliance component technical field, particularly to a kind of radio frequency connector.
Background technology
In mobile communication base station system, the power amplifier module in Remote Radio Unit (Remote RF Unit, RRU) and filter
Between ripple device, the connection of radio-frequency channel typically uses two kinds of technology, and 1, use the radio frequency connector Hard link of conventional screw-type；
2, use the radio frequency connector (BMA RF Coaxial connectors) of BMA model to ensure that transmitting radio frequency signal, BMA are
A kind of model in microminiature radio frequency connector；
For the radio frequency connector Hard link of conventional screw-type, there is obvious defect in this connected mode:
1), the space needed is installed big；Because in conventional bolt formula Hard link scheme, need inner wire, outer conductor all and
Pcb board good contact, the transmission of guarantee radiofrequency signal, and possess preferable shield effectiveness, need in each connection for this
Device peripheral location, at least arranges three screws, and to ensure corresponding index, this requirement occupies substantial amounts of device free space；
2), radio shielding weak effect；Because radio frequency connector traditional in conventional bolt formula Hard link scheme needs to pass through
Structural member is fixed on pcb board, so the highest to the planarity requirements of structural member and pcb board basal plane, exceeding standard of flatness can not
Cooperate and radio frequency will be caused to reveal, cause this junction shield effectiveness poor, and while shield effectiveness difference, also illustrate
The antijamming capability of this radio frequency connector is the poorest, can directly affect system index.
In sum, screw-type hard link scheme conventional in prior art is installed needs space big, the shielding effect of radio frequency
The poorest.
Summary of the invention
Embodiments provide a kind of radio frequency connector, in order to improve the shield effectiveness of radio frequency, reduce its peace simultaneously
The required space taken during dress.
A kind of radio frequency connector that the embodiment of the present invention provides, interior be enclosed within described hollow tube including hollow tube
Conductor, the top of described inner wire and hollow tube fixed by insulator, and the bottom of the bottom of described hollow tube is provided with ring
The dovetail groove of shape, is arranged with spring in described dovetail groove.
Embodiment of the present invention radio frequency connector is provided with spring in the axial direction, so during being connected with pcb board, i.e.
The flatness making pcb board is the highest, still can guarantee that the most axially radio shielding effect；Outer sheathed at hollow tube diametrically
Jump ring, typically also needs to due to radio frequency connector to be just stably fixed on pcb board by structural member, and the jump ring of setting can
So that radio frequency connector with in the connection procedure of structural member, even if there is the radial direction that certain radial tolerance also can keep good
Radio shielding effect.
Accompanying drawing explanation
The schematic perspective view of the radio frequency connector that Fig. 1 provides for the embodiment of the present invention；
Fig. 2 is the exploded perspective view of Fig. 1.
Reference
1-hollow tube 1.1-external screw thread 1.2-annular boss 1.3-dovetail groove
2-inner wire 2.1-internal thread 3-spring 4-jump ring
5-insulator
Detailed description of the invention
Owing to existing radio frequency connector is when using screw Hard link scheme, not only need to take installing when
Space is big, and requires to want enough for the structural member of fixed RF connector and the flatness of the two of pcb board, so processing
The requirement of technique is the highest, if technique does not reaches requirement, can cause the leakage of radio frequency, and shield effectiveness is poor.
In order to solve the problems referred to above, the invention provides a kind of radio frequency connector, in order to improve the shield effectiveness of radio frequency, with
Time reduce its install time the required space taken.
Embodiments provide a kind of radio frequency connector, interior be enclosed within described hollow tube including hollow tube
Conductor, the top of described inner wire and hollow tube fixed by insulator, and the bottom of the bottom of described hollow tube is provided with ring
The dovetail groove of shape, is arranged with spring in described dovetail groove.
For the above embodiment of the present invention, it is necessary first to explanation, radio frequency connect bottom, namely hollow tube
Bottom be the connection end with power amplifier module pcb board, top is the connection end with wave filter.So setting in the bottom of hollow tube
Putting spring and can improve the shield effectiveness of radio frequency connector, the flatness made in the bottom of pcb board or hollow tube does not reaches
In the case of requirement, the space that joint produces can be made up by the elasticity of spring, to a certain degree blocks these spaces,
Can be implemented in and still possess certain screening ability in the case of axially there is certain tolerance；Dovetail groove purpose is set and is energy
Make again spring have certain activity space while enough to a certain degree fixing spring, can preferably play the characteristic of self；
Together with inner wire has been fixed on while playing insulating effect by the insulator arranged with hollow tube.
On the basis of above-described embodiment, it is preferable that described inner wire, hollow tube and described spring are concentric co-axial set
It is fitted together.
Preferable shield effectiveness is achieved in the axial direction by this radio frequency connector of above-described embodiment, more preferably,
In the radial direction, if in the connection procedure of radio frequency connector and power amplifier module, in the case of there is certain capacity difference in interface, for
Avoid the occurrence of radio frequency radially to reveal, outside hollow tube, be further preferably cased with the annular spring with radical elasticity, described annular
The diameter of jump ring being gradually increased on the direction of the bottom of described hollow tube on the top of described hollow tube.
Owing to radio frequency connector is during connecting, entirely possible occur that junction is mismatched due to size and footpath occurred
To the radio frequency leak case in direction, in order to avoid this situation, in the above-described embodiments, at the hollow tube the most sheathed outer jump ring,
Can make this radio frequency connector when being connected with other structure, even if there is certain radial tolerance can also utilize the footpath of jump ring
Radio frequency connector is well made to be connected with other close structure to tension force, it is ensured that the shielding of radio frequency.
It should be noted that the shape to jump ring does not do concrete restriction, as long as ensureing that jump ring can have opening of radial direction
Power.Two kind preferably jump ring shape embodiments are described below.
Embodiment one
One end of the minor diameter of described jump ring is the connection end with described hollow tube, and one end of major diameter is extension end,
Described extension end is interval with multiple splits groove.
Embodiment two
One end of the minor diameter of described jump ring is the connection end with described hollow tube, and one end of major diameter is extension end,
Described connection end and the equal interleaved of extension end are provided with multiple splits groove.
In the above two embodiments, all take setting and split the mode of groove to make jump ring have tension force radially, difference
Being that one is to arrange in one side, one is to arrange at bilateral, it is to be understood that in real work, can be as required
Determine to take unilateral setting or the setting of using effect more bilateral.
Owing to described inner wire is generally used for being connected to the cable of transmitting radio frequency signal, it is preferable that described inner wire is
Inner catheter, one end of described inner catheter is provided with internal thread, it is achieved from the introducing of power amplifier side radiofrequency signal.Can be M3(or other
Specification screw thread) internal thread.
Above-mentioned insulator typically plays inner catheter and the fixation of hollow tube and insulating effect, so usually, institute
The material stating insulator is polytetrafluoroethylene (PTFE).
The top of this radio frequency connector is typically connected with wave filter, and the top of described hollow tube is typically provided external screw thread.
Use with wave filter and threaded.
Usually, in order to only allow jump ring activity in the range of of hollow tube, described hollow tube axially spaced-apart sets
Having two annular boss, described jump ring is fastened between said two annular boss.Play certain fixation.
It is understood that in order to enable radio frequency connector of the present invention to reach best radio shielding effect, with simultaneously
The technical scheme arranging spring and jump ring is most highly preferred embodiment of the invention, and the most as depicted in figs. 1 and 2, Fig. 1 is that the present invention is real
Executing the stereogram of example, Fig. 2 is the explosive view of Fig. 1:
In this optimum embodiment, inner wire 2 is fixed together, at hollow tube by insulator 5 with hollow tube 1
Bottom, namely needs the one end contacted with pcb board to be provided with spring 3, owing to general hollow tube is tubulose, so spring one
As for circle spring, be arranged on bottom dovetail groove 1.3 in；Hollow tube outer radial also overlaps by jump ring 4, is arranged axially by hollow tube
Two annular boss 1.2 card main, do not fall out.The inner side of inner wire is provided with internal thread 2.1, and the top of hollow tube is provided with use
In the external screw thread 1.1 being connected with wave filter.
In sum, embodiment of the present invention radio frequency connector is provided with spring in the axial direction, is so being connected with pcb board
During, even if the flatness of pcb board is the highest, still can guarantee that the most axially radio shielding effect；Diametrically in hollow
The body the most sheathed outer jump ring, typically also needs to due to radio frequency connector just can be stably fixed on pcb board by structural member, if
The jump ring put can make radio frequency connector with the connection procedure of structural member, also can keep even if there is certain radial tolerance
Good radial direction radio shielding effect.This radio frequency connector is the most all being provided with structure to improve the connection of existing radio frequency
The radio shielding effect of device, and embodiment is simple, it is easy to it is directly used in production.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (8)
1. a radio frequency connector, including hollow tube and the inner wire being enclosed within described hollow tube, it is characterised in that described
The top of inner wire and hollow tube is fixed by insulator, and the dovetail that the bottom of the bottom of described hollow tube is provided with annular is recessed
Groove, is arranged with spring in described dovetail groove；
Also being cased with the annular spring with radical elasticity outside described hollow tube, the diameter of described annular spring is at described hollow tube
Being gradually increased on the direction of the bottom of described hollow tube of the top of body；
The bottom of described hollow tube is the connection end with power amplifier module pcb board, and described top is the connection end with wave filter.
2. connector as claimed in claim 1, it is characterised in that described inner wire, hollow tube and described spring are concentric
Coaxial package is together.
3. connector as claimed in claim 1, it is characterised in that one end of the minor diameter of described jump ring is and described hollow tube
The connection end of body, one end of major diameter is extension end, and described extension end is interval with multiple splits groove.
4. connector as claimed in claim 1, it is characterised in that one end of the minor diameter of described jump ring is and described hollow tube
The connection end of body, one end of major diameter is extension end, and described connection end and the equal interleaved of extension end are provided with multiple splits groove.
5. the connector as described in claim 3 or 4, it is characterised in that described inner wire is inner catheter, the one of described inner catheter
End is provided with internal thread.
6. connector as claimed in claim 5, it is characterised in that the material of described insulator is polytetrafluoroethylene (PTFE).
7. connector as claimed in claim 6, it is characterised in that the top of described hollow tube is provided with external screw thread.
8. connector as claimed in claim 7, it is characterised in that described hollow tube axially spaced-apart be provided with two ring-type convex
Platform, described jump ring is fastened between said two annular boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179839.1A CN103311749B (en) | 2013-05-15 | 2013-05-15 | A kind of radio frequency connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310179839.1A CN103311749B (en) | 2013-05-15 | 2013-05-15 | A kind of radio frequency connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103311749A CN103311749A (en) | 2013-09-18 |
| CN103311749B true CN103311749B (en) | 2016-08-24 |
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ID=49136685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310179839.1A Active CN103311749B (en) | 2013-05-15 | 2013-05-15 | A kind of radio frequency connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103311749B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105071108A (en) * | 2015-08-12 | 2015-11-18 | 常州市诚天电子有限公司 | Waterproof circular electrical connector |
| CN107834321A (en) * | 2017-10-18 | 2018-03-23 | 江苏永沃铜业有限公司 | A kind of Portable easily-mountable radio-frequency connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494326A (en) * | 2008-01-22 | 2009-07-29 | 安德鲁有限责任公司 | Locking threaded connection coaxial connector |
| CN101916926A (en) * | 2009-01-29 | 2010-12-15 | 安德鲁有限责任公司 | The rotary connector of low pim |
| CN102005652A (en) * | 2008-11-24 | 2011-04-06 | 安德鲁有限责任公司 | Connector with retaining ring for coaxial cable and associated methods |
| CN102544893A (en) * | 2012-02-02 | 2012-07-04 | 中航光电科技股份有限公司 | Plug shell assembly and plug with same |
| CN202930653U (en) * | 2012-11-07 | 2013-05-08 | 宁波吉品科技股份有限公司 | Mining tri-coaxial connector socket |
-
2013
- 2013-05-15 CN CN201310179839.1A patent/CN103311749B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101494326A (en) * | 2008-01-22 | 2009-07-29 | 安德鲁有限责任公司 | Locking threaded connection coaxial connector |
| CN102005652A (en) * | 2008-11-24 | 2011-04-06 | 安德鲁有限责任公司 | Connector with retaining ring for coaxial cable and associated methods |
| CN101916926A (en) * | 2009-01-29 | 2010-12-15 | 安德鲁有限责任公司 | The rotary connector of low pim |
| CN102544893A (en) * | 2012-02-02 | 2012-07-04 | 中航光电科技股份有限公司 | Plug shell assembly and plug with same |
| CN202930653U (en) * | 2012-11-07 | 2013-05-08 | 宁波吉品科技股份有限公司 | Mining tri-coaxial connector socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103311749A (en) | 2013-09-18 |
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