CN105048226A - Radio-frequency coaxial cable connector - Google Patents
Radio-frequency coaxial cable connector Download PDFInfo
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- CN105048226A CN105048226A CN201510472555.0A CN201510472555A CN105048226A CN 105048226 A CN105048226 A CN 105048226A CN 201510472555 A CN201510472555 A CN 201510472555A CN 105048226 A CN105048226 A CN 105048226A
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Abstract
The invention relates to the technical field of radio-frequency transmission, in particular to a radio-frequency coaxial cable connector. The cable connector comprises an inner conductor, a medium and an outer conductor, which are in a coaxial structure, wherein the outer conductor, the medium and the inner conductor are sequentially arranged in the section from outside to inside; the inner conductor and the medium are the same in axial length; two ends of the inner conductor and the medium are flush; the lengths of the inner conductor and the medium are smaller than the axial length of the outer conductor; an external port of the inner conductor is flush with the external port of the outer conductor; two ends of the inner conductor are in a split groove structure; an internal port of the inner conductor is connected with the cable; and the external port of the inner conductor is used for connecting a lead of inputting and outputting a radio frequency signal. The cable connector can be directly connected with a signal lead of a module, so that the performance and the index are ensured; the intermediate transfer link is reduced; the occupied space is small; and the cable connector is simple in structure, small in size, light in weight, simple to operate and relatively low in cost.
Description
Technical field
The present invention relates to radio frequency transmission technical field, be specifically related to a kind of connector for radio-frequency coaxial cable.
Background technology
Radio frequency cable connector has been the critical function element of the switching of various radiofrequency signal, energy transferring, is also the base components of electronics.At present, the model of the most frequently used radio frequency cable connector has N, SMA, SMB, TNC, 3.5mm, 2.4mm etc.SMA type radio frequency cable connector is suitable for frequency DC ~ 18GHz, due to its advantage such as low cost, high reliability, is widely used.
When cable is connected with module, cable joint is generally positive head connector, and the connector in module is generally cloudy head connector, and both are connected by swivel nut.
Fig. 1 is the connected mode schematic diagram adopting SMA type connector, as shown in the figure, according to current connected mode, whole join domain comprises the space of the cloudy head connector of a SMA type 104, SAM type sun head cable connector 105, cable 106, the fastening swivel nut of spanner, is coupled together by the signal lead 103 of module 101 and 102.Relative to module 101 and 102, this region is very large, and Fig. 2 is the schematic diagram after Fig. 1 connects, experimentally data, and the lateral separation D1 between these two modules at least needs to reach 31.7mm; And when module input, out splice going splice are more, connect the space that takies larger, and may mutually interfere, cause the difficulty in design.Meanwhile, this connected mode, required part is more, also causes the rising of cost.
Summary of the invention
For the problems of the prior art, the invention provides a kind of connector for radio-frequency coaxial cable, in guaranteed performance, index simultaneously, realize the object simplifying the operation, reduce requisite space, reduce costs.
For reaching above-mentioned purpose, embodiments provide a kind of connector for radio-frequency coaxial cable, this cable connector comprises:
The inner wire of coaxial configuration, medium and outer conductor; Its cross section ecto-entad is followed successively by: outer conductor, medium, inner wire;
Described inner wire is identical with medium axial length, and two ends are concordant; Its length is less than outer conductor axial length, and the external-connected port of described inner wire flushes with described outer conductor external connection end;
Described inner wire two ends are breach groove structure, connect port and connect described cable in it, and its external-connected port is for connecting input, exporting the lead-in wire of radiofrequency signal.
Preferably, the inner core of described cable inserts and connects in the breach groove of port in described inner wire;
The medium of described cable dielectric and this cable connector is fitted;
Described cable outer shielding layer and described outer conductor soldering are fixed.
Preferably, the external connection end of described outer conductor is provided with flange arrangement, for being fixed with the radio-frequency module be connected by this connector.
Preferably, described inner wire is that beryllium-bronze material makes, surface gold-plating, and through ageing strengthening process.
Preferably, described outer conductor is brass material, and surface gold-plating, so that described soldering is fixed.
Preferably, the dielectric material of this cable connector is polytetrafluoroethylene.
Preferably, described inner wire, the one end be connected with cable is " one " word groove, goes between one end of being connected for " ten " word groove with radiofrequency signal.
Technique scheme has following beneficial effect: this cable connector directly can be connected with the signal lead of module, while guaranteed performance, index, decreases middle switching link, takes up room little.And this cable connector structure is simple, and volume is little, lightweight, simple to operate, and cost is lower.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the connected mode schematic diagram adopting SMA type connector;
Fig. 2 is the schematic diagram after Fig. 1 connects;
Fig. 3 is cable connector generalized section of the present invention;
Fig. 4 is the inner conductor structure schematic diagram of cable connector of the present invention;
Fig. 5 is the dielectric structure schematic diagram of cable connector of the present invention;
Fig. 6 is the structural representation of the outer conductor of cable connector of the present invention;
Fig. 7 is the schematic diagram of cable of the present invention stripping head;
Fig. 8 is the connection diagram of cable connector of the present invention and cable;
Fig. 9 adopts cable connector connected mode schematic diagram of the present invention;
Figure 10 is the schematic diagram after Fig. 9 connects.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The present invention is directed to these not enough, devise a kind of easy cable connector, instead of the cloudy head connector of above-mentioned SMA type, SMA type sun head cable connector, in guaranteed performance, index simultaneously, simple to operate, requisite space is little, cost significantly reduces.
Fig. 3 is cable connector generalized section of the present invention, and as shown in the figure, this cable connector comprises the inner wire 301 of coaxial configuration, medium 302 and outer conductor 303; Its cross section ecto-entad is followed successively by: outer conductor 303, medium 302, inner wire 301;
Described inner wire 301 is identical with medium 302 axial length, and two ends are concordant; Its length is less than outer conductor 303 axial length, and the external-connected port of described inner wire flushes with described outer conductor external connection end;
Fig. 4 is the inner conductor structure schematic diagram of cable connector of the present invention; As shown in the figure,
Described inner wire 301 two ends are breach groove structure, connect port 3011 and connect described cable in it, and its external-connected port 3012 is for connecting input, exporting the lead-in wire of radiofrequency signal.Breach slot length and bore dia, determined by the diameter of cable inner core and signal lead.
Preferably, described inner wire is that beryllium-bronze material makes, surface gold-plating, and for increasing elasticity and the resistance to wear of breach groove, inner wire is through ageing strengthening process, and hardness can reach HV390-410.
Preferably, described inner wire, the one end be connected with cable is " one " word groove, goes between one end of being connected for " ten " word groove with radiofrequency signal.The one end be connected with cable, because cable inner core is comparatively thick, makes the wall of inner wire very thin, if fluting quantity is many, clamping force can be made very little, cause the instability of contact, so " one " word groove is more suitable; Radiofrequency signal lead-in wire is comparatively thin, and make the wall of this place's inner wire thicker, the clamping force of generation is larger, and be frequent junction herein, excessive clamping force can cause radiofrequency signal wire surface damaged, and " ten " word groove makes clamping force reduce, and distribution is more even.
Fig. 5 is the medium axial cross section schematic diagram of cable connector of the present invention;
Preferably, the dielectric material of this cable connector is identical with the dielectric material of cable, is polytetrafluoroethylene, and its dielectric constant is 2.05, and the characteristic impedance of transmission is 50 Europe
The assemble sequence of this cable connector is: inner wire loads medium, ensures that both ends of the surface are concordant with medium end face; Again medium is loaded outer conductor, between take Interference Fit Design, guarantee during assembling that little one end, inner wire hole is towards end face of flange, that is, the outer boundary of inner wire and the outer boundary of outer conductor are consistent.
Fig. 7 is the schematic diagram of cable of the present invention stripping head; The cable that this cable connector is suitable for can be half firm or semi-flexible coaxial cable, and cable size 2.2mm, cable dielectric is polytetrafluoroethylene.As shown in the figure, after this cable stripping head, cable inner core protruded length d is preferably 1 ~ 1.2mm, and cable dielectric is concordant with outer shielding layer.
Fig. 8 is the connection diagram of cable connector of the present invention and cable; As shown in the figure, preferably, the inner core of described cable inserts and connects in the breach groove of port in described inner wire; The medium of described cable dielectric and this cable connector is fitted; Described cable outer shielding layer and described outer conductor soldering are fixed.
Fig. 6 is the structural representation of the outer conductor of cable connector of the present invention; As shown in the figure, preferably, the external connection end of described outer conductor is provided with flange arrangement, for being fixed with the radio-frequency module be connected by this connector.
Preferably, described outer conductor is brass material, and surface gold-plating, so that described soldering is fixed.
Fig. 9 adopts cable connector connected mode schematic diagram of the present invention; Figure 10 is the schematic diagram after Fig. 9 connects.As shown in the figure, this cable connector directly can be connected with the signal lead of module, while guaranteed performance, index, decreases middle switching link, takes up room little, the distance D between two modules
216.7mm can be narrowed down to.And this cable connector structure is simple, and volume is little, lightweight, simple to operate, and cost is lower.
Those skilled in the art can also recognize the various illustrative components, blocks (illustrativelogicalblock) that the embodiment of the present invention is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrativecomponents), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function described in the realization of various method, but this realization can should not be understood to the scope exceeding embodiment of the present invention protection.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a connector for radio-frequency coaxial cable, is characterized in that, this cable connector comprises:
The inner wire of coaxial configuration, medium and outer conductor; Ecto-entad is followed successively by: outer conductor, medium, inner wire;
Described inner wire is identical with medium axial length, and two ends are concordant; Its length is less than outer conductor axial length, and the external-connected port of described inner wire flushes with described outer conductor external connection end;
Described inner wire two ends are breach groove structure, connect port and connect described cable in it, and its external-connected port is for connecting input, exporting the lead-in wire of radiofrequency signal.
2. connector according to claim 1, is characterized in that:
The inner core of described cable inserts and connects in the breach groove of port in described inner wire;
The medium of described cable dielectric and this cable connector is fitted;
Described cable outer shielding layer and described outer conductor soldering are fixed.
3. connector according to claim 1, is characterized in that:
The external connection end of described outer conductor is provided with flange arrangement, for being fixed with the radio-frequency module be connected by this connector.
4. connector according to claim 1, is characterized in that:
Described inner wire is that beryllium-bronze material makes, surface gold-plating, and through ageing strengthening process.
5. connector according to claim 2, is characterized in that:
Described outer conductor is brass material, and surface gold-plating, so that described soldering is fixed.
6. connector according to claim 1, is characterized in that:
The dielectric material of this cable connector is polytetrafluoroethylene.
7. connector according to claim 1, is characterized in that: described inner wire, and the one end be connected with cable is " one " word groove, goes between one end of being connected for " ten " word groove with radiofrequency signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510472555.0A CN105048226A (en) | 2015-08-04 | 2015-08-04 | Radio-frequency coaxial cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510472555.0A CN105048226A (en) | 2015-08-04 | 2015-08-04 | Radio-frequency coaxial cable connector |
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| Publication Number | Publication Date |
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| CN105048226A true CN105048226A (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510472555.0A Pending CN105048226A (en) | 2015-08-04 | 2015-08-04 | Radio-frequency coaxial cable connector |
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| CN (1) | CN105048226A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846027A (en) * | 2016-05-06 | 2016-08-10 | 西安艾力特电子实业有限公司 | Cable-equipped waveguide component with small-size tail part |
| CN106099290A (en) * | 2016-05-27 | 2016-11-09 | 中国电子科技集团公司第十三研究所 | Semi-flexible radio frequency co-axial cable subassembly and preparation method thereof |
| CN110501053A (en) * | 2019-09-29 | 2019-11-26 | 福州盛博电子有限公司 | A kind of split type low-loss guide wave radar liquid level gauge |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4990106A (en) * | 1989-06-12 | 1991-02-05 | John Mezzalingua Assoc. Inc. | Coaxial cable end connector |
| US20070175027A1 (en) * | 2002-01-18 | 2007-08-02 | Adc Telecommunications, Inc. | Triaxial connector including cable clamp |
| CN102214864A (en) * | 2011-04-13 | 2011-10-12 | 常州市武进凤市通信设备有限公司 | Sealed connector |
| CN202111339U (en) * | 2011-06-09 | 2012-01-11 | 中兴通讯股份有限公司 | Coaxial adapter |
| CN203734084U (en) * | 2014-01-26 | 2014-07-23 | 上海菲尼克斯通讯技术有限公司 | N-type female-joint coaxial cable test connector |
| CN204424526U (en) * | 2015-02-13 | 2015-06-24 | 常州市新盛电器有限公司 | Male unit radio frequency connector |
-
2015
- 2015-08-04 CN CN201510472555.0A patent/CN105048226A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4990106A (en) * | 1989-06-12 | 1991-02-05 | John Mezzalingua Assoc. Inc. | Coaxial cable end connector |
| US20070175027A1 (en) * | 2002-01-18 | 2007-08-02 | Adc Telecommunications, Inc. | Triaxial connector including cable clamp |
| CN102214864A (en) * | 2011-04-13 | 2011-10-12 | 常州市武进凤市通信设备有限公司 | Sealed connector |
| CN202111339U (en) * | 2011-06-09 | 2012-01-11 | 中兴通讯股份有限公司 | Coaxial adapter |
| CN203734084U (en) * | 2014-01-26 | 2014-07-23 | 上海菲尼克斯通讯技术有限公司 | N-type female-joint coaxial cable test connector |
| CN204424526U (en) * | 2015-02-13 | 2015-06-24 | 常州市新盛电器有限公司 | Male unit radio frequency connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846027A (en) * | 2016-05-06 | 2016-08-10 | 西安艾力特电子实业有限公司 | Cable-equipped waveguide component with small-size tail part |
| CN106099290A (en) * | 2016-05-27 | 2016-11-09 | 中国电子科技集团公司第十三研究所 | Semi-flexible radio frequency co-axial cable subassembly and preparation method thereof |
| CN110501053A (en) * | 2019-09-29 | 2019-11-26 | 福州盛博电子有限公司 | A kind of split type low-loss guide wave radar liquid level gauge |
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| PB01 | Publication | ||
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Application publication date: 20151111 |