CN203434332U - Millimeter wave coaxial connector of novel insulation support structure - Google Patents
Millimeter wave coaxial connector of novel insulation support structure Download PDFInfo
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- CN203434332U CN203434332U CN201320387456.9U CN201320387456U CN203434332U CN 203434332 U CN203434332 U CN 203434332U CN 201320387456 U CN201320387456 U CN 201320387456U CN 203434332 U CN203434332 U CN 203434332U
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- dielectric
- coaxial connector
- outer conductor
- conductor
- center
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Abstract
The utility model discloses a millimeter wave coaxial connector of a novel insulation support structure. The connector is formed by assembling an insulation dielectric support, a center conductor and an outer conductor. The center conductor is fixed at the center position of the outer conductor through the insulation dielectric support and is in coaxial with an inner cavity of the outer conductor. The insulation dielectric support divides the whole coaxial connector into three parts of a solid insulation dielectric section and upper and lower air dielectric sections. The used insulation dielectric support is a round solid dielectric piece, wherein a gap is arranged on the side and an inner hole is arranged at the center position. The center conductor is pushed into the inner hole from the gap of the insulation dielectric support. By using a groove on the center conductor, the center conductor and the insulation dielectric support are fixed together. Holes are arranged on the insulation dielectric support, which reduces the dielectric constant and improves the use frequency. Annular grooves are arranged on both ends of the insulation dielectric support, which realizes electrical transition between the solid insulation dielectric section and the air dielectric sections.
Description
Technical field
The utility model belongs to microwave communication field, relates to a kind of type millimeter-wave coaxial connector, a kind of type millimeter-wave coaxial connector of particularly realizing by New insulated support structure.
Background technology
Radio frequency (RF) coaxial connector is transfer element important in microwave regime, and it has bandwidth, reliable, superior performance easy to connect, the feature such as with low cost, in microwave logical equipment, instrument and meter and armament systems, is used widely.Along with the development of modern communication technology, the specification requirement of RF coaxial connector is more and more higher in recent years.Type millimeter-wave coaxial connector is to develop on the basis of radio frequency (RF) coaxial connector.Although their design principle likeness in form, because millimeter wave connector frequency of utilization is high, size is little, and precision requirement is high.Reliable and repeatable for meeting it, the requirement of electric property and cost.Some conventional methods for designing have been difficult to meet the demands.
The type millimeter-wave coaxial connector of a normal structure is mainly comprised of three parts: outer conductor, center conductor and dielectric support.Center conductor is usingd solid dielectric thin slice and as insulation stent, is fixed on the center line of outer conductor inner chamber, and center conductor keeps coaxial relation with outer conductor all the time.Remainder is usingd air as medium, has so just reduced the relative dielectric constant of connector medium, has improved the operating frequency of connector.
The key point of design is fixing dielectric support and center conductor.Should guarantee that dielectric support can be fixed on center conductor the center of outer conductor and in the process of using, is unlikely to come off or becomes flexible, but also will guarantee the coupling of characteristic impedance in signals transmission.
For dielectric, support fixing with center conductor, traditional method be after dielectric material is dissolved, by mould, be injection-moulded in center conductor together with.Or after dielectric is supported to first machine-shaping, it is cut, the groove by center conductor, is stuck them.By the appropriate design to the external diameter of dielectric support thickness diameter, center conductor and outer conductor intracavity diameter size.Can guarantee well the reliability of electrical property and mechanical performance.But these methods are no matter from the difficulty of part processing, manufacturing cost or the aspects such as complexity of assembly technology all exist certain drawback.
Summary of the invention
In order to overcome the deficiencies in the prior art in type millimeter-wave coaxial connector dielectric supported design, the utility model proposes a kind of type millimeter-wave coaxial connector of realizing by New insulated dielectric support structure.The features such as it is reliable that it has connection, and implementation method is simple, is easy to processing, with low cost.
The utility model solves the technical scheme that its technical problem adopts: the type millimeter-wave coaxial connector of this New insulated dielectric support structure is combined by dielectric support, center conductor, outer conductor; Center conductor is supported and fixed on outer conductor center and is become coaxial relation with outer conductor inner chamber by dielectric, and the whole coaxial connector of dielectric supporting handle is divided into solid dielectric insulation section and upper and lower three parts of air dielectric section.It is a rounded solid dieelctric sheet that dielectric used supports, side has a gap and in center, has an endoporus, the opening position that center conductor is supported from dielectric is pushed into its endoporus, utilizes groove on center conductor is supported and fixed on center conductor with dielectric together with.Required part all can machine separately, and without increasing additional process, assembling is simple, convenient, therefore can realize easily the support to center conductor of dielectric in type millimeter-wave coaxial connector.
On the circumferential position that described dielectric supports, have several circular holes, these circular holes are evenly distributed along the center of circle.By perforate on medium, reduce the dielectric constant of medium, increase frequency of utilization
The two ends that described dielectric supports have cannelure, are used for realizing the electric transition between solid dielectric insulation section and upper and lower air dielectric section
The external diameter that described dielectric supports is slightly larger than the diameter of outer conductor endoporus; Groove by outer conductor endoporus place dielectric support card in outer conductor.
Described dielectric supports and by relative dielectric constant, is greater than 1 solid material and processes.
Described center conductor and outer conductor are formed by metal material processing.
In described solid dielectric insulation section and upper and lower two parts air dielectric end, the characteristic impedance of each section need to be consistent; The external diameter of center conductor, outer conductor diameter of bore need to meet following formula relation:
Characteristic impedance=log (D/d) * 138/ √ ε
D-outer conductor endoporus internal diameter
D-center conductor external diameter
The relative dielectric constant of ε-filled media.
The principle of the invention is: the electromagnetic wave transmitting in type millimeter-wave coaxial connector exists with TEM pattern.This has just required the consistency of each section of characteristic impedance in coaxial connector.And characteristic impedance and outer conductor diameter of bore size, center conductor outside dimension, and the inside/outside diameter size that supports of dielectric with and relative dielectric constant all have certain relation.In connector, the characteristic impedance of each section is determined by following formula:
log(D／d)*138／√ε
D-outer conductor diameter of bore
D-center conductor external diameter
The relative dielectric constant of ε-filled media
Center conductor is column type, by dielectric, supports in also fixing and outer conductor internal round chamber and maintenance and its coaxial relation.Because the height of coaxial connector frequency of utilization is inversely proportional to the size of D, d, ε.In All Media material, minimum its numerical value of the relative dielectric constant of air is about 1, therefore in order to improve frequency of utilization, except necessary dielectric support section, remainder is air dielectric.And at inevitable dielectric support place, in order to guarantee that characteristic impedance meets the requirement of formula above.Than the internal diameter of other parts outer conductor more greatly, and the internal diameter in hole, dielectric centre of support is smaller than the external diameter of center conductor other parts for the diameter that dielectric supports place, place.By the groove on outer conductor and center conductor, just can in the vertical center conductor and outer conductor be fixed together like this.Transversely by lateral openings on dielectric supports, center conductor can be pushed into the center that dielectric supports, played fixing effect, guaranteed outer conductor and center conductor between axiality.Dielectric support-side to opening and its upper equally distributed aperture, can reduce the relative dielectric constant that dielectric supports, the frequency of utilization of raising coaxial connector.It can offset the discontinuity of impedance between solid dielectric insulation section and air dielectric section at dielectric support two ends, to be processed with cannelure, guarantees the stable transfer of signal.
Accompanying drawing explanation
Fig. 1 is the side-looking schematic diagram of the type millimeter-wave coaxial connector of New insulated supporting construction described in the utility model
Fig. 2 is the vertical view that the type millimeter-wave coaxial connector dielectric of New insulated supporting construction described in the utility model supports
Fig. 3 is the end view that the type millimeter-wave coaxial connector dielectric of New insulated supporting construction described in the utility model supports
Fig. 4 is the end view of the type millimeter-wave coaxial connector center conductor of New insulated supporting construction described in the utility model
Fig. 5 is the type millimeter-wave coaxial connector port voltage standing-wave ratio curve chart of New insulated supporting construction described in the utility model
Embodiment
The type millimeter-wave coaxial connector of New insulated supporting construction described in the utility model is combined by dielectric support (1), center conductor (2), outer conductor (3).As shown in Figure 1, whole coaxial connector can be divided into three parts, and mid portion is solid dielectric insulation section (6), and upper and lower two parts are air dielectric section (5).In air dielectric section (5), between center conductor (2) and outer conductor (3), by air (4), to be filled, the relative dielectric constant of air is about 1.Solid dielectric insulation section (6) supports (1) by dielectric and fills and form, and the relative dielectric constant of its material is greater than 1. center conductors (2) and by dielectric, supports (1) and be fixed on the center of outer conductor (3) and become coaxial relation with outer conductor (3) endoporus.
As shown in Figure 2 and Figure 3, dielectric support (1) is a thin rounded flakes.In side, having a gap (11) and in center, have an endoporus (13). the internal diameter of endoporus (13) is identical with the external diameter that the center conductor groove (21) shown in Fig. 4 is located.The width of groove (21) is identical with the thickness that dielectric supports (1).The gap (11) that the groove of center conductor (2) (21) can be supported to (1) from dielectric is like this pushed in its endoporus (13).Center conductor (2) is just stuck in dielectric support (1) like this, on horizontal and vertical, all cannot move.At the dielectric shown in Fig. 2, Fig. 3, support in (1), except having gap (11), also at circumferential position, have several circular holes (12).These holes (12) are evenly distributed along the center of circle.Object is to reduce the relative dielectric constant that dielectric supports (1), thereby make it more approach air, improves frequency of utilization.The two ends of supporting (1) at dielectric have cannelure (14), and it can offset the discontinuity on electric between solid dielectric insulation section and air dielectric section, the stable transfer of assurance signal.The external diameter of dielectric support (1) is slightly larger than the diameter of outer conductor (3) endoporus.Can by the groove at outer conductor (3) endoporus place, dielectric be supported to (1) like this and be stuck in outer conductor (3), guarantee that it all cannot move with respect to outer conductor (3) on horizontal and vertical.Center conductor (2) is just fixed in outer conductor (3) like this, and and the endoporus of outer conductor (3) be coaxial relation.
Dielectric supports (1) and by relative dielectric constant, is greater than 1 solid material and processes
Center conductor (2) and outer conductor (3) are formed by metal material processing
In solid dielectric insulation section (6) in the middle of coaxial connector and upper and lower two parts air dielectric section (5).Each section of characteristic impedance need to be consistent.The external diameter of center conductor (2), the diameter of bore of outer conductor (3) need to meet following formula relation.Characteristic impedance=log (D/d) * 138/ √ ε
D-outer conductor endoporus internal diameter
D-center conductor external diameter
The relative dielectric constant of ε-filled media
Claims (7)
1. the type millimeter-wave coaxial connector of New insulated supporting construction, is combined by dielectric support (1), center conductor (2), outer conductor (3), center conductor (2) supports (1) by dielectric and is fixed on outer conductor (3) center and becomes coaxial relation with outer conductor (3) inner chamber, the whole coaxial connector of dielectric supporting handle is divided into solid dielectric insulation section (6) and upper and lower (5) three parts of air dielectric section, it is characterized in that: it is a rounded solid dieelctric sheet that dielectric supports (1), side has a gap (11) and in center, has an endoporus (13), the gap (11) that center conductor (2) is supported to (1) from dielectric is pushed in its endoporus (13), utilize the groove (21) on center conductor (2) that center conductor (2) and dielectric support (1) are fixed together.
2. the type millimeter-wave coaxial connector of New insulated supporting construction according to claim 1, is characterized in that dielectric supports on the circumferential position of (1) to have several circular holes (12), these circular holes (12) are evenly distributed along the center of circle.
3. the type millimeter-wave coaxial connector of New insulated supporting construction according to claim 1, is characterized in that the two ends of supporting (1) at dielectric have cannelure (14).
4. the type millimeter-wave coaxial connector of New insulated supporting construction according to claim 1, is characterized in that the external diameter of dielectric support (1) is slightly larger than the diameter of outer conductor (3) endoporus; Groove by outer conductor (3) endoporus place supports dielectric (1) and is stuck in outer conductor (3).
5. the type millimeter-wave coaxial connector of New insulated supporting construction according to claim 1, is characterized in that dielectric supports (1) and by relative dielectric constant, is greater than 1 solid material and processes.
6. the type millimeter-wave coaxial connector of New insulated supporting construction according to claim 1, is characterized in that center conductor (2) and outer conductor (3) are formed by metal material processing.
7. the type millimeter-wave coaxial connector of New insulated supporting construction according to claim 1, is characterized in that in solid dielectric insulation section (6) and upper and lower two parts air dielectric section (5), each section of characteristic impedance need to be consistent; The external diameter of center conductor (2), the diameter of bore of outer conductor (3) need to meet following formula relation:
Characteristic impedance=log (D/d) * 138/ √ ε
D-outer conductor endoporus internal diameter
D-center conductor external diameter
The relative dielectric constant of ε-filled media.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320387456.9U CN203434332U (en) | 2013-07-02 | 2013-07-02 | Millimeter wave coaxial connector of novel insulation support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320387456.9U CN203434332U (en) | 2013-07-02 | 2013-07-02 | Millimeter wave coaxial connector of novel insulation support structure |
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| Publication Number | Publication Date |
|---|---|
| CN203434332U true CN203434332U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320387456.9U Expired - Lifetime CN203434332U (en) | 2013-07-02 | 2013-07-02 | Millimeter wave coaxial connector of novel insulation support structure |
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| CN (1) | CN203434332U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367967A (en) * | 2013-07-02 | 2013-10-23 | 北京维创时通科技有限公司 | Millimeter wave coaxial connector with novel insulating support structure |
| CN105048153A (en) * | 2015-08-31 | 2015-11-11 | 中国电子科技集团公司第四十研究所 | 110GHz radio-frequency connector |
-
2013
- 2013-07-02 CN CN201320387456.9U patent/CN203434332U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103367967A (en) * | 2013-07-02 | 2013-10-23 | 北京维创时通科技有限公司 | Millimeter wave coaxial connector with novel insulating support structure |
| CN105048153A (en) * | 2015-08-31 | 2015-11-11 | 中国电子科技集团公司第四十研究所 | 110GHz radio-frequency connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
|
| CX01 | Expiry of patent term |