CN1316692C - Central conductor for high frequency coaxial connector - Google Patents
Central conductor for high frequency coaxial connector Download PDFInfo
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- CN1316692C CN1316692C CNB2005100553621A CN200510055362A CN1316692C CN 1316692 C CN1316692 C CN 1316692C CN B2005100553621 A CNB2005100553621 A CN B2005100553621A CN 200510055362 A CN200510055362 A CN 200510055362A CN 1316692 C CN1316692 C CN 1316692C
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- coaxial connector
- center conductor
- compensating tank
- frequency coaxial
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Abstract
The present invention discloses a central conductor for a high frequency coaxial connector, which comprises a fixed end contact body (1), a connection end contact body (2) and a solid column body (3), wherein the fixed end contact body is connected with an inner conductor of a coaxial cable; the connection end contact body is connected with a central conductor of a connector which is butted with the connection end contact body; the solid column body (3) is in a solid structure; an annular first compensating groove (4) is arranged on one end of the solid column body (3), which is connected with the fixed end contact body (1); an annular second compensating groove (5) is arranged on one end of the solid column body (3), which is connected with the connection end contact body (2). When the central conductor for a high frequency coaxial connector is used, the central conductor for a high frequency coaxial connector can improve the electric property of the coaxial connector.
Description
Technical field
The present invention relates to high-frequency coaxial connector spare technical field, be specifically related to a kind of high-frequency coaxial connector center conductor.
Background technology
In the loop of rf of communication equipment, coaxial cable transmitting radio frequency signal commonly used.Described coaxial cable generally is made up of the center conductor of arranging ringwise, insulator, knitted body and insulation sheath.Great majority are used for coaxial connector that cable connects and then are made up of circular central contact and cylinder type hollow outer contacting part and the tubular insulating barrier between the two.Wherein, the center contact is designed to be connected on the inner wire of coaxial cable, and the outer contacting part is designed to be connected on the external conductor of coaxial cable, and this conductor is generally the ground connection knitted body.Each coaxial connector has the characteristic impedance of regulation, and its general value is 50 ohm.
As everyone knows, the inner wire of cable is very big to signal transmission influence, because decay mainly is that the inner wire resistance loss causes.When with the connector stube cable, inner wire need be inserted in the groove of insulation division, also can cause the flip-flop of this place's impedance, make signal reflex and voltage standing wave ratio increase, further cause the loss of signal.And the characteristic impedance at some positions also can make the loss of signal increase with respect to the deviation of setting.
Summary of the invention
The purpose of this invention is to provide a kind of high-frequency coaxial connector center conductor,, improve signal transmission quality to reduce the loss of high-frequency signal in coaxial cable connector spare.
For this reason, the invention provides following technical scheme:
A kind of high-frequency coaxial connector center conductor comprises:
The diameter of stiff end contact 1 is greater than link contact 2, and an end that links to each other with stiff end contact 1 at this solid cylinder 3 has annular first compensating tank 4, and an end that links to each other with link contact 2 at this solid cylinder 3 has annular second compensating tank 5.
Described first compensating tank 4 has different groove depths and groove width with second compensating tank 5.
Preferably, the diameter of the center column 6 of described first compensating tank 4 is 4.2 ± 0.03mm, and groove width is 3.3mm.
Preferably, the diameter of the center column 7 of described second compensating tank 5 is 3 ± 0.03mm, and groove width is 1.7mm.
Preferably, the spacing of described first compensating tank 4 and second compensating tank 5 is 3.9mm.
Preferably, the diameter of the center column 8 between described first compensating tank 4 and second compensating tank 5 is 7
0 + 0.05Mm.
The contact-making surface of the stiff end contact 1 and first compensating tank 4 has a ring-shaped step 9.
Preferably, the diameter of described ring-shaped step 9 is 8.5 ± 0.05mm.
Described stiff end contact 1 and link contact 2 are respectively the hollow cylinder structure, be provided with a vertebra groove with the center of the contact-making surface of described solid cylinder 3 separately, on stiff end contact 1 and link contact 2, have even number leaf lobe, and link separately is the reducing shape.
Described high-frequency coaxial connector center conductor obtains by cutting and roll extrusion.
By above technical scheme provided by the invention as can be seen, the present invention adopts the center conductor of the cylinder body shape of two ends different-diameter in high-frequency coaxial connector spare, and on the solid cylinder between stiff end contact and the link contact, offer compensating tank, to reduce the standing-wave ratio of high-frequency signal transmission.In order further to improve the electric property of coaxial connector spare, offer first compensating tank at an end that joins with the stiff end contact, offer second compensating tank at an end that joins with the link contact, and make two compensating tanks have same equivalent gullet depth, different groove width.The compensating tank of this mode can reduce the standing-wave ratio of high-frequency signal transmission effectively.Intended diameter has further reduced the loss of signal less than the step of stiff end contact on the contact-making surface of the stiff end contact and first compensating tank, has guaranteed signal transfer quality.
Description of drawings
Fig. 1 is the stereogram of a direction of high-frequency coaxial connector center conductor of the present invention;
Fig. 2 is the stereogram of another direction of high-frequency coaxial connector center conductor of the present invention;
Fig. 3 is the cutaway view of high-frequency coaxial connector center conductor of the present invention.
Embodiment
Core of the present invention is the center conductor in the coaxial connector is designed to the column structure that two ends are different-diameter, and the big end of diameter is as the stiff end contact, increasing the electrically contacting property with cable, and guarantees the fastness that connects.The little end of diameter is as the link contact, is used for and links to each other with the connector center conductor of its butt joint.Between stiff end contact and link contact, a solid cylinder is arranged, on this solid cylinder, offer compensating tank, to reduce the standing-wave ratio of high-frequency signal transmission.
For the further compensation of the signal of adaptation different structure connection, an end that links to each other with the stiff end contact at this solid cylinder has annular first compensating tank, an end that links to each other with the link contact at this solid cylinder has second compensating tank, and make first compensating tank have different groove depths and groove width, reduce the loss of cable junction high-frequency signal better with second compensating tank.
Stiff end contact and link contact are designed to the hollow cylinder structure respectively, be provided with a vertebra groove with the center of the contact-making surface of solid cylinder separately, having even number leaf lobe on stiff end contact 1 and link contact 2, is the reducing shape at separately link.
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with drawings and embodiments.
The present technique field personnel know, coaxial connector mostly is column structure greatly, has inner and outer conductor and inside and outside insulator, and when transmitting high-frequency signal, the quality of connector electric property has directly influenced signal transfer quality.Especially the center conductor in the connector, its different architectural feature has direct relation to electric property, the quality of connection of connector.
The stereogram of the different directions of high-frequency coaxial connector center conductor of the present invention is as depicted in figs. 1 and 2:
This center conductor comprises three parts, is respectively: stiff end contact 1, link contact 2, solid cylinder 3.Wherein, the stiff end contact links to each other with the inner wire of coaxial cable, and the link contact is used for linking to each other with the connector center conductor of its butt joint.
Respectively at stiff end contact 1 contact-making surface with solid cylinder 3, and the center of link contact 2 and the contact-making surface of solid cylinder 3 is provided with a vertebra groove, to make things convenient for being electrically connected of cable inner conductor and connector.
Having even number leaf lobe on stiff end contact 1 and link contact 2, such as 4 or 6 leaf lobes, and is the reducing shape at link separately.When linking to each other in the connector butt joint or with cable, these leaf lobes are opened, after cable inserted, the reducing of link was tightened up, and has strengthened the fastness of interface.
Usually, the two ends of connector are the column construction of different thicknesses, and in order to adapt to this structure, the two ends thickness of the center conductor in it also is different usually.For the present invention, promptly the diameter of stiff end contact 1 and link contact 2 also can be different.When linking to each other,, therefore, need take the corresponding compensation measure at different structural changes because cable can cause the sudden change of electric property in the variation of junction structure when the connector butt joint or with cable.
For this reason, the end that the present invention links to each other with stiff end contact 1 at solid cylinder 3 is offered annular first compensating tank 4, offers annular second compensating tank 5 at the end that solid cylinder 3 links to each other with link contact 2.
Cutaway view with reference to high-frequency coaxial connector center conductor of the present invention shown in Figure 3:
First compensating tank 4 has different groove depths and groove width with second compensating tank 5.The diameter of the center column 6 by repeatedly experiment showed, first compensating tank 4 is 4.2 ± 0.03mm, and groove width is 3.3mm; The diameter of the center column 7 of second compensating tank 5 is 3 ± 0.03mm, when groove width is 1.7mm, can make the electric property of connector reach optimum value.
The diameter of the center column 8 between the spacing of first compensating tank 4 and second compensating tank 5 and this two compensating tanks can have different selections.
Equally, be 3.9mm through the spacing that repeatedly experiment showed, first compensating tank 4 and second compensating tank 5; The diameter of the center column 8 between first compensating tank 4 and second compensating tank 5 is 7
0 + 0.05The electric property of connector is significantly improved.
For the standing-wave ratio of further minimizing with the high-frequency signal of cable link, the present invention also is provided with a ring-shaped step 9 at the contact-making surface of the stiff end contact 1 and first compensating tank 4, and the diameter of ring-shaped step 9 is 8.5 ± 0.05mm.
High-frequency coaxial connector center conductor of the present invention can adapt to the connector of multiple different model, as the inner wire of connector, can adopt the crimping mode to be pressed in the connector.Miscellaneous part in connector or this center conductor break down, and can also easily this center conductor be pulled down.
In order to guarantee the electric conductivity of connector, this center conductor can use the materials processing of electric conductivity preferred metal to form, and copper-nickel alloy or silver are electroplated in the most handy tin bronze processing back, obtain by cutting and roll extrusion.
Though described the present invention by embodiment, those of ordinary skills know, the present invention has many distortion and variation and do not break away from spirit of the present invention, wish that appended claim comprises these distortion and variation and do not break away from spirit of the present invention.
Claims (10)
1, a kind of high-frequency coaxial connector center conductor comprises:
Stiff end contact (1), link contact (2), solid cylinder (3), wherein, described stiff end contact links to each other with the inner wire of coaxial cable, and the link contact is used for linking to each other with the connector center conductor of its butt joint, it is characterized in that,
The diameter of stiff end contact (1) is greater than link contact (2), an end that links to each other with stiff end contact (1) at this solid cylinder (3) has annular first compensating tank (4), and an end that links to each other with link contact (2) at this solid cylinder (3) has annular second compensating tank (5).
2, high-frequency coaxial connector center conductor according to claim 1 is characterized in that, described first compensating tank (4) has different groove depths and groove width with second compensating tank (5).
3, high-frequency coaxial connector center conductor according to claim 2 is characterized in that, the diameter of the center column (6) of described first compensating tank (4) is 4.2 ± 0.03mm, and groove width is 3.3mm.
4, high-frequency coaxial connector center conductor according to claim 2 is characterized in that, the diameter of the center column (7) of described second compensating tank (5) is 3 ± 0.03mm, and groove width is 1.7mm.
5, high-frequency coaxial connector center conductor according to claim 1 is characterized in that, the spacing of described first compensating tank (4) and second compensating tank (5) is 3.9mm.
6, high-frequency coaxial connector center conductor according to claim 1 is characterized in that, the diameter of the center column (8) between described first compensating tank (4) and second compensating tank (5) is 7
0 + 0.05Mm.
7, high-frequency coaxial connector center conductor according to claim 1 is characterized in that, stiff end contact (1) has a ring-shaped step (9) with the contact-making surface of first compensating tank (4).
8, high-frequency coaxial connector center conductor according to claim 7 is characterized in that, the diameter of described ring-shaped step (9) is 8.5 ± 0.05mm.
9, high-frequency coaxial connector center conductor according to claim 1, it is characterized in that, described stiff end contact (1) and link contact (2) are respectively the hollow cylinder structure, be provided with a vertebra groove with the center of the contact-making surface of described solid cylinder (3) separately, on stiff end contact (1) and link contact (2), have even number leaf lobe, and link separately is the reducing shape.
10, high-frequency coaxial connector center conductor according to claim 1 is characterized in that, described high-frequency coaxial connector center conductor obtains by cutting and roll extrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100553621A CN1316692C (en) | 2005-03-18 | 2005-03-18 | Central conductor for high frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100553621A CN1316692C (en) | 2005-03-18 | 2005-03-18 | Central conductor for high frequency coaxial connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1649218A CN1649218A (en) | 2005-08-03 |
| CN1316692C true CN1316692C (en) | 2007-05-16 |
Family
ID=34876745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100553621A Active CN1316692C (en) | 2005-03-18 | 2005-03-18 | Central conductor for high frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1316692C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853991B (en) * | 2010-05-11 | 2012-05-23 | 上海图越电子有限公司 | High-precision radio frequency coaxial connector |
| CN103094744B (en) * | 2013-01-21 | 2015-07-08 | 华为机器有限公司 | Radio frequency coaxial connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112864A (en) * | 1994-02-16 | 1995-12-06 | 奥古斯特·贝克有限公司 | Alignment adapter |
| US6089912A (en) * | 1996-10-23 | 2000-07-18 | Thomas & Betts International, Inc. | Post-less coaxial cable connector |
| US6210222B1 (en) * | 1999-12-13 | 2001-04-03 | Eagle Comtronics, Inc. | Coaxial cable connector |
| CN1147038C (en) * | 1998-01-15 | 2004-04-21 | Adc电信股份公司 | Repairable connector and method |
| US6827608B2 (en) * | 2002-08-22 | 2004-12-07 | Corning Gilbert Inc. | High frequency, blind mate, coaxial interconnect |
-
2005
- 2005-03-18 CN CNB2005100553621A patent/CN1316692C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112864A (en) * | 1994-02-16 | 1995-12-06 | 奥古斯特·贝克有限公司 | Alignment adapter |
| US6089912A (en) * | 1996-10-23 | 2000-07-18 | Thomas & Betts International, Inc. | Post-less coaxial cable connector |
| CN1147038C (en) * | 1998-01-15 | 2004-04-21 | Adc电信股份公司 | Repairable connector and method |
| US6210222B1 (en) * | 1999-12-13 | 2001-04-03 | Eagle Comtronics, Inc. | Coaxial cable connector |
| US6827608B2 (en) * | 2002-08-22 | 2004-12-07 | Corning Gilbert Inc. | High frequency, blind mate, coaxial interconnect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1649218A (en) | 2005-08-03 |
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