CN106571567A - Millimeter-wave coaxial connector and insulation support body thereof - Google Patents
Millimeter-wave coaxial connector and insulation support body thereof Download PDFInfo
- Publication number
- CN106571567A CN106571567A CN201610954963.4A CN201610954963A CN106571567A CN 106571567 A CN106571567 A CN 106571567A CN 201610954963 A CN201610954963 A CN 201610954963A CN 106571567 A CN106571567 A CN 106571567A
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- CN
- China
- Prior art keywords
- insulation support
- support body
- groove
- conductor
- impedance
- 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.)
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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
- 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
-
- 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
- H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
-
- 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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a millimeter-wave coaxial connector and an insulation support body thereof. The millimeter-wave coaxial connector comprises inner and outer conductors, and the insulation support body arranged between the inner and outer conductors. The insulation support body comprises a body whose axis is extended along forward and backward directions. A central section of the body is provided with a passing and installation hole, wherein the inner conductor passes through and is installed in the passing and installation hole. A periphery ring of the passing and installation hole on at least one end surface of the body is provided with an impedance compensation groove. A cross section size of the impedance compensation groove is gradually decreased from a notch to a groove bottom. In the invention, the cross section size of the impedance compensation groove is gradually decreased from the notch to the groove bottom. Compared to a compensation structure with fixed impedance provided by a traditional flat ring groove, a V-shaped ring groove provides a smooth transition type compensation structure whose impedance is gradually decreased. Therefore, a better impedance compensation effect can be acquired.
Description
Technical field
The present invention relates to the type millimeter-wave coaxial connector and its insulation support body in millimeter-wave signal transmission field.
Background technology
Existing type millimeter-wave coaxial connector includes inner wire, outer conductor and the insulation being arranged between inner and outer conductor
Support body.Wherein the concrete structure of insulation support body is as shown in Figure 1 and 2：Including body 2 made by insulant, body central position
Place is provided with the inner wire mounting hole 4 for installing for corresponding inner wire, in order to reduce the dielectric constant between inner and outer conductor,
Be provided with body it is multiple positioned at inner wire mounting hole periphery along the circumferentially spaced periphery holes 3 of body.Simultaneously at this
The end of body is additionally provided with the impedance-compensated groove 1 for impedance matching compensation, and impedance-compensated groove 1 is that one isometrical and bottom is flat
The structure in face.Existing this insulation support body structure has problems in that：As the millimeter-wave signal of Technology for Modern Equipment is used
Frequency more and more higher, type millimeter-wave coaxial connector unavoidably increasingly tends to miniaturization, millimeter international at present
Ripple coaxial connector, usage frequency highest is 1.0 type adapters, and its usage frequency is up to 110GHz, but structure is very little,
Its outer conductor internal diameter only has 1.0mm, so little size, will be that the design and manufacture of its insulation support body brings greatly tired
It is difficult.
Existing this insulation support body is when in the face of so little size, and difficulty of processing lifting at double is existing first
The peripheral pore structure for reducing dielectric constant is too small, it is difficult to process, even if inadequate machine-shaping will also result in, hole wall is excessively thin, and part becomes
Shape.Secondly because periphery holes are too small, for part, generally to remove material little, it is impossible to is effectively reduced between internal and external conductor
The dielectric constant of insulating supporting.Again, the collocation structure of this blocked impedance of flat annular groove is only capable of providing fixed offset,
It is increasingly difficult to during type millimeter-wave coaxial connector usage frequency more and more higher to bring more preferable compensation effect, so as to affect millimeter wave
The overall radio-frequency performance of coaxial connector.
The content of the invention
It is an object of the invention to provide a kind of insulation support body that can improve more preferable compensation effect, the purpose of the present invention
A kind of type millimeter-wave coaxial connector using the insulation support body of offer is be provided.
In order to solve the above problems, the technical scheme of insulation support body is in the present invention：
Insulation support body, including the body that axis extends along the longitudinal direction, are provided with the middle part of body and are installed for corresponding inner wire
Mounting hole, in the impedance-compensated groove that has been peripherally installed with of the mounting hole at least one end end face of body, impedance-compensated groove
Sectional dimension is tapered into by notch to bottom land.
The cross sectional shape of the impedance-compensated groove is V-arrangement.
Impedance-compensated groove by joint match therewith V-arrangement lathe tool knife car into.
Be provided with the outer peripheral face of body multiple circumferentially spaced arrangements, along the longitudinal direction through the body periphery
Groove, the cross sectional shape of peripheral groove is circular arc, peripheral groove by joint match therewith milling cutter milling into.
The technical scheme of type millimeter-wave coaxial connector is in the present invention：
Type millimeter-wave coaxial connector, including inner and outer conductor and the insulation support body that is arranged between inner and outer conductor, insulating supporting
Body includes the body that axis extends along the longitudinal direction, and the mounting hole installed for the inner wire, body are provided with the middle part of body
At least one end end face in the impedance-compensated groove that has been peripherally installed with of the mounting hole, the sectional dimension of impedance-compensated groove is by notch
Taper into bottom land.
The cross sectional shape of the impedance-compensated groove is V-arrangement.
Impedance-compensated groove by joint match therewith V-arrangement lathe tool knife car into.
Be provided with the outer peripheral face of body multiple circumferentially spaced arrangements, along the longitudinal direction through the body periphery
Groove, the cross sectional shape of peripheral groove is circular arc, peripheral groove by joint match therewith milling cutter milling into.
The type millimeter-wave coaxial connector is plug or socket.
The insulation support body being provided between inner and outer conductor described in two, the forward insulation support body in position is exhausted before being referred to as
Edge supporter, position insulation support body rearward is referred to as rear insulation support body, and inner wire includes that what is be sequentially arranged from front to back inserts
Connect conductor, switching conductor and rear conductor, the rear end of grafting conductor passes through in the mounting hole by front insulation support body, conductor of transferring
Rear end passes through in the mounting hole by rear insulation support body, and the front end of conductor of transferring is provided with after the rearward end inserting for grafting conductor
The switching conductor jack of welding, the front end of rear conductor is provided with the rear conductor welded after the rearward end inserting for switching conductor and inserts
Hole.
Beneficial effects of the present invention are：In the present invention, the sectional dimension of impedance-compensated groove be groove footpath by notch to bottom land by
Gradual change is little, and so as to provide that a kind of impedance gradually changes from large to small type collocation structure is seamlessly transitted, and can obtain more preferable impedance
Compensation effect.
Further, for the less insulation support body of diameter, in the difficult processing of the impedance-compensated groove of injection moulding
Degree is very high, and the cross sectional shape of impedance-compensated groove is V-arrangement, so can go out impedance-compensated groove using lathe tool car, convenient
The processing and fabricating of impedance-compensated groove.
Another effect for being gone out in impedance-compensated tank car using lathe tool is, due to the wall thickness of insulation support body it is less, phase
Answer the milling cutter of size very expensive, if processed using milling cutter, processing cost and requirement on machining accuracy are all very high, and easily
Insulation support body machining deformation is made, and adopts matching V-arrangement track sword to go out impedance-compensated groove with a knife car, processing is got up
Suitable is simple and convenient.
Description of the drawings
Fig. 1 is the structural representation of insulation support body in background of invention；
Fig. 2 is the axonometric chart of Fig. 1；
Fig. 3 is the structural representation of the embodiment 1 of type millimeter-wave coaxial connector in the present invention；
Fig. 4 is the cooperation schematic diagram of inner wire in Fig. 3, outer conductor and insulation support body；
Fig. 5 is the cooperation schematic diagram of Fig. 3 and the socket being adapted to；
Fig. 6 is the structural representation of front insulation support body in Fig. 3；
Fig. 7 is the A-A of Fig. 6 to sectional view；
Fig. 8 is the axonometric chart of Fig. 7；
Fig. 9 is the structural representation of socket in Fig. 5, while being also the knot of the embodiment 2 of type millimeter-wave coaxial connector in the present invention
Structure schematic diagram.
Specific embodiment
The embodiment 1 of type millimeter-wave coaxial connector is as shown in Fig. 1 ~ 8：It is one that type millimeter-wave coaxial connector is dried in the present embodiment
Individual plug 9, it is 1.0 type adapters of the usage frequency up to 110GHz.Outside including plug body 3, plug inner conductor 6, plug
Conductor 4 and two insulation support bodies 5 being arranged in plug, between plug outer conductor, the forward insulation support body in position is referred to as
Front insulation support body, position insulation support body rearward is referred to as rear insulation support body, is rotated by jump ring 2 on plug body 3 and is set
Attachment cap 1 is equipped with, connection screw thread is provided with attachment cap.The structure of forward and backward insulation support body is identical in the present embodiment, now only right
The structure of front insulation support body describes in detail, and front insulation support body includes the body 52 that axis extends along the longitudinal direction, this
The middle part of body 52 is provided with the mounting hole 54 installed for plug inner conductor 6, in the outer collarette of mounting hole on the two ends end face of body
Impedance-compensated groove 51 is provided with, the cross sectional shape of impedance-compensated groove 51 is the V-arrangement that sectional dimension is tapered into by notch to bottom land, resistance
Anti- compensating tank 51 by joint match therewith V-arrangement lathe tool knife car into.Five circumferentially spaced cloth are provided with the outer peripheral face of body
Peripheral groove 53 putting, running through body along the longitudinal direction, peripheral groove 53 is used to reduce between plug inner conductor and plug outer conductor
Dielectric constant, the cross sectional shape of peripheral groove is circular arc, peripheral groove 53 by joint match therewith milling cutter milling into.Lead in plug
Body 6 includes grafting conductor 61, switching conductor 62 and the rear conductor 63 being sequentially arranged from front to back, and the rear end of grafting conductor 61 is by front
Pass through in the mounting hole of insulation support body, the front end of grafting conductor is pin-like structure, and the rear end of rear conductor 63 is jack shape knot
Structure, passes through in the mounting hole of the rear end by rear insulation support body of conductor of transferring, and the front end of conductor of transferring is provided with for grafting conductor
Rearward end inserting after the switching conductor jack 7 that welds, the front end of rear conductor is provided with after the rearward end inserting for switching conductor
The rear conductor jack 8 of welding.Plug outer conductor 4 have be less than with the interference fit section 42 and external diameter of plug body interference fit
It is full of the cone-shaped end 41 for coordinating section, cone-shaped end can reduce the interference fit area of plug outer conductor and plug body, convenient slotting
Head outer conductor is encased in plug body.
The insulation support body of this type millimeter-wave coaxial connector make when, because the internal diameter of plug outer conductor only has 1.0mm, because
The overall wall thickness of this insulation support body（That is radial dimension）It is relatively thin, after body injection moulding, on lathe, by lathe tool at this
A knife processes impedance-compensated groove on the end face of body, and lathe tool has the V-arrangement car being adapted to that coincide with the cross sectional shape of impedance-compensated groove
Blade, corresponding peripheral groove is processed on milling machine by corresponding milling cutter, and milling cutter can once mill out a groove, and milling is for five times
Can, the processing of whole insulation support body is very convenient.The grafting conductor of plug, switching conductor and rear conductor are welded to be formed twice
One complete inner wire, is then embedded into inner wire and two insulation support bodies in plug outer conductor, forms an entirety,
Then by plug outer conductor intensity device plug body, you can be packaged into a finished product plug.In other embodiments of the invention
In：Impedance-compensated groove can also be only arranged at one end of body；Certainly impedance-compensated groove cross sectional shape also may not be V
Shape, for example U-shaped, trapezoidal or semicircle；When the radial dimension of insulation support body is larger, impedance-compensated groove can also be by
Milling cutter is milled out or injection moulding；, when the radial dimension of supporter is larger, peripheral groove can also be by being injected into for same reason
Type, the number of certain peripheral groove can also be selected as needed, such as three, four or other numbers.
The socket 11 being adapted to the plug is as shown in figure 9, including jack housing 14, socket inner wire 12, socket outer conductor
13 and two insulation support bodies between socket inner and outer conductor, the structure of the insulation support body of socket and the insulation of plug
The structure of supporter is identical, and here is no longer discussed in detail to it, is provided with jack housing for coordinating with the attachment cap of plug
External screw thread 10.From unlike plug inner conductor, the front end of the grafting conductor of socket inner wire is jack knot to socket inner wire
Structure.When plug is connected with socket, the screw thread on attachment cap and jack housing coordinates and realizes the locking of plug, socket, plug
The contact pin structure of inner wire coordinates with the jack structure of socket inner wire, and communications signals realize the transmission of millimeter-wave signal.Plug
End face is designed with rubber cushion, plugs together for plug, socket and play afterwards in place dustproof effect and locking thread effect.
The embodiment 2 of type millimeter-wave coaxial connector is as shown in Figure 9：Type millimeter-wave coaxial connector is inserted for one in the embodiment
Seat, the concrete structure of socket is identical with the socket introduced in embodiment 1, will not be described in detail herein.
Claims (10)
1. the body that insulation support body, including axis extends along the longitudinal direction, is provided with the middle part of body and is worn for corresponding inner wire
The mounting hole of dress, it is characterised in that：Impedance-compensated groove has been peripherally installed with the mounting hole at least one end end face of body,
The sectional dimension of impedance-compensated groove is tapered into by notch to bottom land.
2. insulation support body according to claim 1, it is characterised in that：The cross sectional shape of the impedance-compensated groove is V-arrangement.
3. insulation support body according to claim 2, it is characterised in that：Impedance-compensated groove by joint match therewith V-arrangement
Lathe tool knife car into.
4. the insulation support body according to claim 1 ~ 3 any one, it is characterised in that：It is provided with the outer peripheral face of body
Multiple circumferentially spaced arrangements, along the longitudinal direction through the peripheral groove of the body, the cross sectional shape of peripheral groove is circular arc,
Peripheral groove by joint match therewith milling cutter milling into.
5. type millimeter-wave coaxial connector, including inner and outer conductor and the insulation support body being arranged between inner and outer conductor, insulation
Support body includes the body that axis extends along the longitudinal direction, and the mounting hole installed for the inner wire is provided with the middle part of body, its
It is characterised by：In the impedance-compensated groove that has been peripherally installed with of the mounting hole at least one end end face of body, impedance-compensated groove
Sectional dimension is tapered into by notch to bottom land.
6. type millimeter-wave coaxial connector according to claim 5, it is characterised in that：The cross sectional shape of the impedance-compensated groove
For V-arrangement.
7. type millimeter-wave coaxial connector according to claim 6, it is characterised in that：Impedance-compensated groove is by joint match therewith
V-arrangement lathe tool knife car into.
8. type millimeter-wave coaxial connector according to claim 5, it is characterised in that：It is provided with the outer peripheral face of body multiple
Circumferentially spaced arrangement, along the longitudinal direction through the peripheral groove of the body, the cross sectional shape of peripheral groove is circular arc, periphery
Groove by joint match therewith milling cutter milling into.
9. type millimeter-wave coaxial connector according to claim 5, it is characterised in that：The type millimeter-wave coaxial connector is slotting
Head or socket.
10. the type millimeter-wave coaxial connector according to claim 5 ~ 9 any one, it is characterised in that：Between inner and outer conductor
The insulation support body being provided with described in two, the forward insulation support body in position be referred to as before insulation support body, position rearward exhausted
Edge supporter be referred to as after insulation support body, inner wire include be sequentially arranged from front to back grafting conductor, switching conductor and after lead
Body, the rear end of grafting conductor passes through in the mounting hole by front insulation support body, and the rear end of conductor of transferring is by rear insulation support body
Pass through in mounting hole, the front end of conductor of transferring is provided with the switching conductor jack welded after the rearward end inserting for grafting conductor,
Afterwards the front end of conductor is provided with the rear conductor jack welded after the rearward end inserting for switching conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610954963.4A CN106571567B (en) | 2016-10-27 | 2016-10-27 | Type millimeter-wave coaxial connector and its insulation support body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610954963.4A CN106571567B (en) | 2016-10-27 | 2016-10-27 | Type millimeter-wave coaxial connector and its insulation support body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106571567A true CN106571567A (en) | 2017-04-19 |
| CN106571567B CN106571567B (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610954963.4A Active CN106571567B (en) | 2016-10-27 | 2016-10-27 | Type millimeter-wave coaxial connector and its insulation support body |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212358A (en) * | 2018-12-29 | 2019-09-06 | 中兴通讯股份有限公司 | RF repeating component and radio frequency connector with it |
| CN110212368A (en) * | 2018-02-28 | 2019-09-06 | 中航光电科技股份有限公司 | A kind of CA cable assembly and millimeter wave connector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212368A (en) * | 2018-02-28 | 2019-09-06 | 中航光电科技股份有限公司 | A kind of CA cable assembly and millimeter wave connector |
| CN110212358A (en) * | 2018-12-29 | 2019-09-06 | 中兴通讯股份有限公司 | RF repeating component and radio frequency connector with it |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106571567B (en) | 2019-07-23 |
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