CN201450128U - Welded radio-frequency coaxial cable component - Google Patents
Welded radio-frequency coaxial cable component Download PDFInfo
- Publication number
- CN201450128U CN201450128U CN2009200434880U CN200920043488U CN201450128U CN 201450128 U CN201450128 U CN 201450128U CN 2009200434880 U CN2009200434880 U CN 2009200434880U CN 200920043488 U CN200920043488 U CN 200920043488U CN 201450128 U CN201450128 U CN 201450128U
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- cable
- outer conductor
- connector
- conductor
- frequency coaxial
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Abstract
Disclosed is a welded radio-frequency coaxial cable component which comprises a connector inner conductor placed inside a connector outer conductor. A cable inner conductor and a cable outer conductor are respectively electrically connected with the connector inner conductor and the connector outer conductor, and an insulator is disposed between the cable inner conductor and the cable outer conductor. The welded radio-frequency coaxial cable component is characterized in that the cable inner conductor is arranged inside an inner hole of the connector inner conductor, the cable outer conductor is arranged inside an inner hole of the connector outer conductor, and the cable inner conductor and the cable outer conductor are respectively in welding connection with the connector inner conductor and the connector outer conductor. As voltage standing wave is lowered from original 1.1 to 1.06, and three-order inter-modulation is changed from original -139 dBc to -168 dBc, the welded radio-frequency coaxial cable component effectively guarantees fine, stable and reliable electric connection, assures stability of electric performance, and greatly improves indexes such as voltage standing wave ratio, three-order inter-modulation and the like. By employing a welding mode, the welded radio-frequency coaxial cable component reduces half of parts, and enables weights of the connectors to be lightened by 48%, thereby enormously saving material cost.
Description
Technical field
The utility model is the improvement about the radio frequency coaxial electric cable for mobile communication assembly, especially a kind of welding type radio frequency coaxial-cable assembly.
Background technology
Radio frequency coaxial-cable is connected with connector, usually, as Fig. 1, shown in 2, insert the connector inner wire by inner conductor of radio frequency coaxial cable, radio frequency coaxial-cable outer conductor copper sheet clamps and realizes being connected by spiral power with connector outer conductor annular element, inner conductor of radio frequency coaxial cable is connected with connector inner wire inwall, usually adopt the elastic plug type of attachment, connector elasticity female connector is generally cylindrical fluting, its structure is axially to have equidistant groove at a cylindrical component periphery, the dielectric that has certain plasticity in its of outside use closely contacts its inside compression with cable inner conductor, thereby reaches the transmission of signal.And,, cause that the characteristic impedance at this place changes owing to opened groove for the fluting part, unavoidably there is the electrical property instability, as voltage standing wave ratio, third order intermodulation index deviation etc.; Radio frequency coaxial-cable outer conductor copper sheet clamps and realizes being connected by spiral power with connector outer conductor annular element, reliable in order to guarantee contact, can only strengthen clamping force,, thereby cause that voltage standing wave ratio is higher, third order intermodulation index variation etc. to such an extent as to distortion can appear in outer conductor; Because need the part of screw mechanism, the part that is adopted will increase greatly, thereby increases the overall weight of wire jumper, has increased manufacturing cost.Therefore still having is worth improved place.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art, provide a kind of contact reliable, can significantly reduce number of spare parts, guarantee effectively that again the radio frequency coaxial-cable internal and external conductor is the welding type radio frequency coaxial-cable assembly that good electrical is connected with the connector internal and external conductor.
The technical solution of the utility model is:
The utility model purpose realizes that main the improvement is to adopt welding manner to link together respectively the internal and external conductor of radio frequency coaxial-cable and the internal and external conductor of connector.Specifically, be exactly the endoporus of utility model connector inner wire, be processed into the external diameter of cable inner conductor and become matched in clearance, cable inner conductor inserts the endoporus of connector inner wire, adopts solder technology then, with scolding tin both is linked together; Utility model connector outer conductor endoporus is processed into the external diameter of cable outer conductor and becomes matched in clearance, and cable outer conductor inserts the endoporus of connector outer conductor, adopts solder technology then, with scolding tin both is linked together.
A kind of welding type radio frequency coaxial-cable assembly, comprise the connector inner wire that is arranged in the connector outer conductor, cable inner conductor and cable outer conductor electrically connect with connector inner wire and connector outer conductor respectively, be provided with insulator between cable inner conductor and the cable outer conductor, described cable inner conductor is arranged in the endoporus of connector inner wire, cable outer conductor is arranged in the endoporus of connector outer conductor, and cable inner conductor and cable outer conductor are welded to connect with connector inner wire and connector outer conductor respectively.
Gap value between described cable inner conductor and connector inner wire is 0.1 millimeter to 0.5 millimeter.
Gap value between described cable outer conductor and connector outer conductor is 0.1 millimeter to 1.0 millimeters.
Described connector outer conductor is provided with welding hole corresponding to the position of the cable outer conductor that places its endoporus.
Described cable inner conductor and cable outer conductor are welded to connect by scolding tin with connector inner wire and connector outer conductor respectively.
Be provided with the hollow tube chamber that extends longitudinally in the described insulator.
The quantity of described hollow tube chamber is 6 to 8.
The cross sectional shape of described hollow tube chamber is circular, and its diameter is between 2 millimeters to 3 millimeters.
The material of described hollow tube chamber is polyformaldehyde POM material or ABS plastic.
The beneficial effects of the utility model are:
The voltage standing wave ratio of the utility model welding type radio frequency coaxial-cable assembly is reduced to 1.06 by original 1.1, third order intermodulation by original-139dBc till now-168dBc.Thereby effectively guaranteed good, stable, electrical connection reliably, guaranteed the stability of electrical property, improved indexs such as voltage standing wave ratio, third order intermodulation greatly.
The utility model is owing to adopt welded type, thereby reduced the part of half, and the weight of connector has reduced 48%, has saved material cost greatly.
In addition, the thickness that employing after the utility model improves has the insulator of hollow pipe cavity configuration only is original 1/4, add and adopted the insulation property better material, make weight only be original 10%～13%, the Costco Wholesale that is folded to each insulator can save 95～97%, has significantly reduced the cost input of material.
Description of drawings
Fig. 1 is a kind of radio frequency co-axial cable subassembly structural representation of prior art.
Fig. 2 is the structural representation of connector inner wire.
Fig. 3 is a welding type radio frequency coaxial-cable assembly structural representation of the present utility model.
Fig. 4 is the vertical profile structural representation of existing insulator.
Fig. 5 is the side-looking structural representation of existing insulator.
Fig. 6 is the vertical profile structural representation of insulator of the present utility model.
Fig. 7 is the side-looking structural representation of insulator of the present utility model.
Among the figure: 1 for cable inner conductor, 2 for the connector inner wire, 3 for cable outer conductor, 4 for the connector outer conductor, 5 for welding hole, 6 be the first welding chamber, 7 be the second welding chamber, 8 for insulator, 9 for hollow tube chamber.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
A kind of welding type radio frequency coaxial-cable assembly, comprise the connector inner wire 2 that is arranged in the connector outer conductor 4, cable inner conductor 1 and cable outer conductor 3 electrically connect with connector inner wire 2 and connector outer conductor 4 respectively, be provided with insulator 8 between cable inner conductor 1 and the cable outer conductor 3, it is characterized in that described cable inner conductor 1 is arranged in the endoporus of connector inner wire 2, cable outer conductor 3 is arranged in the endoporus of connector outer conductor 4, and cable inner conductor 1 and cable outer conductor 3 are welded to connect with connector inner wire 2 and connector outer conductor 4 respectively.
The gap value that cable inner conductor 1 and connector inner wire are 2 is 0.1 millimeter to 0.5 millimeter.
The gap value that cable outer conductor 3 and connector outer conductor are 4 is 0.1 millimeter to 1.0 millimeters.
Connector outer conductor 4 is provided with welding hole 5 corresponding to the position of the cable outer conductor 3 that places its endoporus.
Cable inner conductor 1 and cable outer conductor 3 are welded to connect by scolding tin with connector inner wire 2 and connector outer conductor 4 respectively.
Be provided with the hollow tube chamber 9 that extends longitudinally in the insulator 8.
The quantity of hollow tube chamber 9 is 6 to 8.
The cross sectional shape of hollow tube chamber 9 is circular, and its diameter is between 2 millimeters to 3 millimeters.
The quantity of hollow tube chamber 9, diameter can be according to the cable dimension adjustment.
The material of hollow tube chamber is polyformaldehyde POM material or ABS plastic.
It is to adopt welding manner to link together respectively the internal and external conductor of radio frequency coaxial-cable and the internal and external conductor of connector that the utility model mainly improves.Specifically, endoporus with utility model connector inner wire 2 is processed into the size that becomes matched in clearance with the external diameter of cable inner conductor 1 exactly, cable inner conductor 1 inserts in the endoporus of connector inner wire 2, adopts solder technology then, with scolding tin both is linked together; The endoporus of utility model connector outer conductor 4 is processed into the size that becomes matched in clearance with the external diameter of cable outer conductor 3, and cable outer conductor 3 inserts the endoporus of connector outer conductor 4, adopts solder technology then, with scolding tin both is linked together.
When cable inner conductor 1 welds with connector inner wire 2, solder stick can be cut into segment, be preset in gap location, behind the location, the heating junction makes melts soldering tin, and then is welded as a whole.
As Fig. 3, scolding tin need fill up the second welding chamber 7 in the welding chamber 6 of first between cable inner conductor 1 and the connector inner wire 2 and between cable outer conductor 3 and connector outer conductor 4 fully.
Between connector 4 outer conductors and connector inner wire 2, there is one deck insulator 8 that the two is separated and insulate, present most insulator 8 is solid polytetrafluoroethylene PTFE material, and the utility model material is polyformaldehyde POM material or ABS plastic, its performance comparison such as table 2:
Table 2: insulator material property contrast table
| The insulator material | Polytetrafluoroethylene PTFE | Polyformaldehyde POM | ABS plastic |
| Dielectric constant | 2.1 | 3.9 | 2.9 |
| Proportion (g/cm 3) | 2.20 | 1.41 | 1.05 |
| Price (unit/kilogram) | 44 | 11 | 12 |
As can be seen from the above table, the dielectric constant minimum of polytetrafluoroethylene PTFE in order to reach same insulation property, is changed into insulator 8 and to have the hollow pipe cavity configuration by solid construction.Because the density of polyformaldehyde POM and ABS plastic is than the little 0.79～1.15g/cm of polytetrafluoroethylene PTFE
3, insulator 8 of the present utility model is a hollow-core construction, so the weight of insulator 8 can alleviate 40～60%.
The thickness that employing after the utility model improves has the insulator 8 of hollow pipe cavity configuration only is original 1/4, add and adopted the insulation property better material, make weight only be original 10%～13%, the Costco Wholesale that is folded to each insulator 8 can save 95～97%, has significantly reduced the cost input of material.
When cable outer conductor 3 welds with connector outer conductor 4, earlier cable outer conductor 3 is inserted assigned address in connector outer conductor 4 endoporus, in then the scolding tin of fusing being injected gap between cable outer conductors 3 and the connector outer conductor 4 from welding hole 5, and keep certain weld time, make between cable outer conductor 3 and the connector outer conductor 4 and fill with scolding tin fully, and then guarantee that electric performance stablity is reliable.
Connector inner wire 2 and connector outer conductor 4 all can be made by the good copper material of electric conductivity, afterwards again by electroplating processes, to strengthen conduction, antiseptic property.
Claims (9)
1. welding type radio frequency coaxial-cable assembly, comprise the connector inner wire (2) that is arranged in the connector outer conductor (4), cable inner conductor (1) and cable outer conductor (3) electrically connect with connector inner wire (2) and connector outer conductor (4) respectively, be provided with insulator (8) between cable inner conductor (1) and the cable outer conductor (3), it is characterized in that described cable inner conductor (1) is arranged in the endoporus of connector inner wire (2), cable outer conductor (3) is arranged in the endoporus of connector outer conductor (4), and cable inner conductor (1) and cable outer conductor (3) are welded to connect with connector inner wire (2) and connector outer conductor (4) respectively.
2. welding type radio frequency coaxial-cable assembly according to claim 1 is characterized in that the gap value between described cable inner conductor (1) and connector inner wire (2) is 0.1 millimeter to 0.5 millimeter.
3. welding type radio frequency coaxial-cable assembly according to claim 1 is characterized in that the gap value between described cable outer conductor (3) and connector outer conductor (4) is 0.1 millimeter to 1.0 millimeters.
4. welding type radio frequency coaxial-cable assembly according to claim 1 is characterized in that described connector outer conductor (4) is provided with welding hole (5) corresponding to the position of the cable outer conductor that places its endoporus (3).
5. welding type radio frequency coaxial-cable assembly according to claim 1 is characterized in that described cable inner conductor (1) and cable outer conductor (3) are welded to connect by scolding tin with connector inner wire (2) and connector outer conductor (4) respectively.
6. welding type radio frequency coaxial-cable assembly according to claim 1 is characterized in that being provided with in the described insulator (8) the hollow tube chamber (9) that extends longitudinally.
7. welding type radio frequency coaxial-cable assembly according to claim 6, the quantity that it is characterized in that described hollow tube chamber (9) are 6 to 8.
8. welding type radio frequency coaxial-cable assembly according to claim 6, the cross sectional shape that it is characterized in that described hollow tube chamber (9) is for circular, and its diameter is between 2 millimeters to 3 millimeters.
9. welding type radio frequency coaxial-cable assembly according to claim 6, the material that it is characterized in that described hollow tube chamber (9) is polyformaldehyde POM material or ABS plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200434880U CN201450128U (en) | 2009-07-09 | 2009-07-09 | Welded radio-frequency coaxial cable component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200434880U CN201450128U (en) | 2009-07-09 | 2009-07-09 | Welded radio-frequency coaxial cable component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201450128U true CN201450128U (en) | 2010-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200434880U Expired - Fee Related CN201450128U (en) | 2009-07-09 | 2009-07-09 | Welded radio-frequency coaxial cable component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201450128U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066403A (en) * | 2012-12-26 | 2013-04-24 | 中航光电科技股份有限公司 | Power connector and contact element thereof |
| CN104201523A (en) * | 2014-09-18 | 2014-12-10 | 桐乡市搏腾贸易有限公司 | Radio-frequency coaxial cable connector and assembly process thereof |
| CN110125506A (en) * | 2019-05-15 | 2019-08-16 | 沈阳兴华航空电器有限责任公司 | A kind of welder and welding method of radio-frequency cable component |
-
2009
- 2009-07-09 CN CN2009200434880U patent/CN201450128U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103066403A (en) * | 2012-12-26 | 2013-04-24 | 中航光电科技股份有限公司 | Power connector and contact element thereof |
| CN104201523A (en) * | 2014-09-18 | 2014-12-10 | 桐乡市搏腾贸易有限公司 | Radio-frequency coaxial cable connector and assembly process thereof |
| CN110125506A (en) * | 2019-05-15 | 2019-08-16 | 沈阳兴华航空电器有限责任公司 | A kind of welder and welding method of radio-frequency cable component |
| CN110125506B (en) * | 2019-05-15 | 2023-06-30 | 沈阳兴华航空电器有限责任公司 | Welding device and welding method for radio frequency cable assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20180709 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |