CN106252906A - A kind of radio-frequency cable inner conductor method of attachment - Google Patents
A kind of radio-frequency cable inner conductor method of attachment Download PDFInfo
- Publication number
- CN106252906A CN106252906A CN201610786270.9A CN201610786270A CN106252906A CN 106252906 A CN106252906 A CN 106252906A CN 201610786270 A CN201610786270 A CN 201610786270A CN 106252906 A CN106252906 A CN 106252906A
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- China
- Prior art keywords
- conductor tube
- conductor
- internal lining
- lining pipe
- tube
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/02—Soldered or welded connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/56—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation one conductor screwing into another
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Abstract
Invention describes a kind of radio-frequency cable inner conductor method of attachment, it includes the first conductor tube and the second conductor tube, first the end-grain cutting to be connected of conductor tube is cut and polish flat, then the end to be connected of conductor tube is oppositely arranged, internal lining pipe is laid again along axis, the outer wall of internal lining pipe is 0.15 ~ 0.2mm with the spacing of conductor tube inwall, leaves the gap of at least 3mm between first and second conductor tube；Then internal lining pipe carrying out high-temperature heating to after uniform temperature, be heated to dissolving to silver solder simultaneously, the silver soldering agent after fusing separately flows in the first and second conductor tube along the gap of internal lining pipe and the first conductor tube and the second conductor tube；After gap is filled by solder flux, slide the first slip clamping tooling and the second slip clamping tooling so that the first and second conductor tube close up Guan Bi；Wipe the silver solder of junction outer wall residual after cooling.The present invention has good flatness after connecting, and operates relatively easy, and difficulty is relatively low, and installation cost is relatively low, and reliability is preferable.
Description
Technical field
The present invention relates to the radio-frequency cable for communications, especially a kind of radio-frequency cable inner conductor method of attachment, belong to
In technical field of communication equipment.
Background technology
Radio-frequency cable is mainly used in the transmission of radiofrequency signal, radio-frequency cable have use temperature range width, use frequency high,
Decay low, standing-wave ratio is little and the excellent properties such as advantages of good shielding performance, is therefore widely used in communication system, microwave measurement system
The fields such as system and instrument and meter.Radio-frequency cable in the market generally includes inner wire, and inner wire is hollow copper pipe,
Outside inner wire, it is cased with insulated sleeve, such as polyethylene layer, outside insulated sleeve, is cased with copper strips etc., is also cased with outside copper strips
Plastic protective layer.It can be seen that the layer of structure of radio-frequency cable to be comparison many, but owing to needing the peace in view of radio-frequency cable
The technical specifications such as dress, the convenience connected and communication quality, the entire outer diameter of radio-frequency cable must control in specific scope
In, it is impossible to too big, the thus making to radio-frequency cable, the particularly making of the inner wire of radio-frequency cable innermost end propose relatively
High requirement.And for different use environment, the length requirement for radio-frequency cable pipe is different, tens meters had,
The hundreds of rice of some needs, more than the most several myriametres, the most inevitably needs to carry out the connection of pipeline section,
Now at present when connecting the inner wire of radio-frequency cable, mostly use the mode of common welding, such as Publication No.
The Chinese patent of CN101409385A discloses " pipe connecting structure of a kind of radio-frequency cable inner conductor pipe ", and it is at the two of pipeline section
End processes left-handed and dextrorotation female thread respectively, then the part of TBE (threaded both ends) is docked and screws, more solid in junction welding
Fixed.Although this mode operates complexity relatively, but the most all can leave obvious vestige in commissure, thus cause pipeline section
The smoothness of lateral surface is affected, thus have impact on the quality of radio signal transmission.
Summary of the invention
For above-mentioned deficiency of the prior art, present invention is primarily targeted at and solve the interior of existing current radio-frequency cable
Conductor is the out-of-flatness of seam crossing outer surface when carrying out the connection of pipeline section, causes the affected problem of transmission of radiofrequency signal, and
The radio-frequency cable inner conductor method of attachment of a kind of flatness that can preferably ensure and connect pipeline section outer surface is provided.
Technical scheme: a kind of radio-frequency cable inner conductor method of attachment, it is characterised in that include the first conductor tube
With the second conductor tube, its operating procedure is as follows:
1) end-grain cutting to be connected of the first conductor tube cut polish flat, the end-grain cutting to be connected of the second conductor tube is cut and polishes flat,
The end face of the end to be connected of described first conductor tube is vertical with the axis of the first conductor tube, described second conductor tube to be connected
The end face of end is vertical with the axis of the second conductor tube；
2) described first conductor tube is fixed on the first slip clamping tooling, the second conductor tube is fixed on the second slip clamping
In frock, the end to be connected of described first conductor tube and the end to be connected of the second conductor tube are oppositely arranged, described first conductor tube
Axis overlap with the axis of the second conductor tube；
3) internal lining pipe is laid in the axis along the first conductor tube, and the left end of described internal lining pipe stretches in the first conductor tube, internal lining pipe
Right-hand member stretch in the second conductor tube, the outer wall of described internal lining pipe and the spacing of the first conductor tube inwall are 0.15 ~ 0.2mm, institute
The spacing stating the outer wall of internal lining pipe and the inwall of the second conductor tube is 0.15 ~ 0.2mm；Slide described first slip clamping tooling and
Second slip clamping tooling so that the first conductor tube and the second conductor tube are close, between the first conductor tube and the second conductor tube
Leave the gap of at least 3mm；
4) internal lining pipe at gap between the first conductor tube and the second conductor tube is carried out high-temperature heating to uniform temperature, add simultaneously
Hot silver solder also makes it just to the internal lining pipe at gap between the first conductor tube and the second conductor tube, and the silver soldering agent after fusing is along interior
The gap of bushing pipe and the first conductor tube and the second conductor tube separately flows in the first conductor tube and the second conductor tube；
5), after the gap of internal lining pipe and the first conductor tube and the second conductor tube is filled by the silver soldering agent after to be melted, slide first sliding
Dynamic clamping tooling and the second slip clamping tooling so that the first conductor tube and the second conductor tube close up Guan Bi；
6) stop internal lining pipe being heated, wipe the first conductor tube and the oxidation of the second conductor tube junction outer wall residual after cooling
Thing.
Optimally, the external diameter of described first conductor tube and the second conductor tube is 9.2mm.It is employed herein specific dimensions
Conductor tube, is that self also has preferable structural strength simultaneously in order to reach optimal signal transmission effect.
Optimally, the wall thickness of described first conductor tube and the second conductor tube is 0.3mm.It is employed herein slim body
Structure, so that the interference reduction that signal is in transmitting procedure, is conducive to improving signal quality.
Optimally, being equipped with female thread in described first conductor tube and the second conductor tube inwall, described female thread is along right
The inwall answering the first conductor tube and the second conductor tube diagonally distributes, and the helical angle of described female thread is 2 ~ 30 °, described female thread
Addendum angle is 10 ~ 63 °, and the tooth depth of described female thread is 0.05 ~ 0.25mm.By arranging female thread structure, can increase greatly
The structural strength of strong body, this is also for coordinating foregoing slim pipe structure, it is to avoid the feelings that body is pliable occur
Condition, by arranging female thread so that the structure of slim body can be promoted in actual applications, and specific helical angle, tooth top
Angle and the setting of tooth depth, be to draw through experiment, comparison opening one's minds of combination technology personnel repeatedly, and it is by same
Time three parameters are adjusted so that the intensity of body can reach optimal, thus makes slim pipe structure have
The value of application, can also save material simultaneously, reduces cost.Also, it should be noted due to traditional inner wire copper pipe pipe
Body uses the pipe structure of smooth inner wall mostly, and the reason being not provided with female thread is that craft precision is the highest and has been difficult to
Become, therefore, although female thread technology has certain application in other industry, such as, make steel, but due to radio frequency transmission industry
Particularity, copper pipe can only be used, the characteristic that copper pipe self is softer causes traditional radio-frequency cable inner conductor must reach certain
Thickness guarantee intensity, and the caliber of copper pipe must also meet the requirements, it is impossible to too thick, therefore wants to reduce inner wire
Wall thickness is a technique very with difficulty, and wants to be threaded the thing of also degree of being very difficult on copper pipe inwall, and
As long as not being to be provided with female thread just to strengthen the intensity of copper pipe, applicant finds in experimentation repeatedly, due to design
Angle parameter different, under many circumstances, even if being provided with female thread, the body of inner wire is still easy to be broken off, by force
Degree is difficult to reach demand, the setting therefore adding female thread the most certain lifting of the body intensity being not equal to inner wire, so,
The application sets the parameters such as specific angle, this be applicant creative several parameters are acted on jointly after and bring
Beyond thought technique effect, if beyond this parameter area, then intensity is difficult to ensure.
Optimally, the silver content of described silver solder is 45%.Here use the higher silver solder of silver content, be on the one hand because of
Electric conductivity for silver solder is more preferable, does not interferes with the transmission of signal after welding, be on the other hand impure less, the stream of solder flux
Dynamic property and uniformity are more preferable.
Relative to prior art, the method have the advantages that
1, after connecting, there is good flatness: present invention employs the mode carrying out welding inside pipeline section, thus make
The junction outer surface of pipeline section will not leave behind the vestige of welding, has ensured the flatness of pipeline section, is conducive to ensureing radio-frequency cable
Communication quality.
2, operating relatively easy, difficulty is relatively low, it is only necessary to uses common chuck apparatus to complete, has and well may be used
Operability.
3, installation cost is relatively low, and reliability is preferable, and the intensity after connection can be protected, and is difficult to fracture etc. occur
Fault.
Accompanying drawing explanation
Fig. 1 is the structural representation of the inner wire before using the present invention a kind of radio-frequency cable inner conductor method of attachment.
Fig. 2 is the structural representation of the inner wire after using the present invention a kind of radio-frequency cable inner conductor method of attachment.
In figure, 1 first conductor tube, 2 second conductor tube, 3 first slip clamping toolings, 4 second slide clamps
Frock, 5 internal lining pipes, 6 silver solder solder flux.
Detailed description of the invention
The invention will be further described with detailed description of the invention below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, a kind of radio-frequency cable inner conductor method of attachment of the present invention, it includes the first conductor tube 1 He
Second conductor tube 2, the first conductor tube 1 and the caliber of the second conductor tube 2 here are identical, described first conductor tube 1 and
The external diameter of two conductor tube 2 is 9.2mm, and the wall thickness of described first conductor tube 1 and the second conductor tube 2 is 0.2mm.It operates step
Rapid as follows:
1) end-grain cutting to be connected of the first conductor tube 1 is cut polish flat, the end-grain cutting to be connected of the second conductor tube 2 is cut and is polished flat
Whole, the end face of the end to be connected of described first conductor tube 1 is vertical with the axis of the first conductor tube 1, described second conductor tube 2
The end face of end to be connected is vertical with the axis of the second conductor tube 2.
2) described first conductor tube 1 is fixed on the first slip clamping tooling 3, the second conductor tube 2 is fixed on second
On slip clamping tooling 4, the end to be connected of described first conductor tube 1 and the end to be connected of the second conductor tube 2 are oppositely arranged, described
The axis of the first conductor tube 1 overlaps with the axis of the second conductor tube 2.It should be noted that in the present invention power transmission shaft with lead
The connection of body pipe belongs to prior art, is therefore not described here in detail.And power transmission shaft uses the equipment on existing lathe.
3) internal lining pipe 5 is laid in the axis along the first conductor tube 1, and internal lining pipe 5 here is copper pipe, described internal lining pipe 5
Left end stretches in the first conductor tube 1, and the right-hand member of internal lining pipe 5 stretches in the second conductor tube 2, the outer wall and first of described internal lining pipe 5
The spacing of conductor tube 1 inwall is 0.15 ~ 0.2mm, can be wherein 0.16mm, 0.175mm, 0.18mm, 0.19mm etc.；In described
The spacing of the outer wall of bushing pipe 5 and the inwall of the second conductor tube 2 is 0.15 ~ 0.2mm, can be wherein 0.155mm, 0.16mm,
0.17mm, 0.18mm, 0.195mm etc..Slide described first slip clamping tooling 3 and the second slip clamping tooling 4 so that first
Conductor tube 1 and the second conductor tube 2 are close, leave the gap of at least 3mm between the first conductor tube 1 and the second conductor tube 2.
4) internal lining pipe 5 at gap between the first conductor tube 1 and the second conductor tube 2 is carried out high-temperature heating, heat simultaneously
Silver solder also makes it just to the internal lining pipe 5 at gap between the first conductor tube 1 and the second conductor tube 2, and the silver of described silver solder contains
Amount is 45%.Silver soldering agent after fusing separately flows into first along the gap of internal lining pipe 5 with the first conductor tube 1 and the second conductor tube 2 and leads
In body pipe 1 and the second conductor tube 2.
5) after the gap of internal lining pipe 5 and the first conductor tube 1 and the second conductor tube 2 is filled by the silver soldering agent after to be melted, sliding
Dynamic first slip clamping tooling 3 and the second slip clamping tooling 4 so that the first conductor tube 1 and the second conductor tube 2-in-1 hold together Guan Bi.
6) stop internal lining pipe 5 is heated, wipe the first conductor tube 1 after cooling and the second conductor tube 2 junction outer wall is residual
The silver solder stayed.
See Fig. 1 and Fig. 2, described first conductor tube 1 and the second conductor tube 2 inwall are equipped with female thread, described interior
Screw thread diagonally distributes along the inwall of corresponding first conductor tube 1 and the second conductor tube 2, and the helical angle of described female thread is 25 °, described
The addendum angle of female thread is 63 °, and the tooth depth of described female thread is 0.05mm.
The method of attachment of the present invention changes the outside weldings mode of traditional welding, uses the mode of interior welds, solves
Copper pipe surface the most easily has the problem that a large amount of solder flux remains, and weld seam irregular problem, is particularly suitable for essence
Spend the soldering of higher copper pipe equipment, there is good using value.
It should be noted that above example is only in order to illustrate technical solution of the present invention rather than restriction technologies scheme, although
The present invention is explained in detail by applicant with reference to preferred embodiment, it will be understood by those within the art that, those are right
Amendment that technical solution of the present invention is carried out or equivalent, it is impossible to depart from objective and the scope of the technical program, all should contain
In the middle of scope of the invention as claimed.
Claims (5)
1. a radio-frequency cable inner conductor method of attachment, it is characterised in that include the first conductor tube (1) and the second conductor tube (2),
Its operating procedure is as follows:
1) end-grain cutting to be connected of the first conductor tube (1) is cut polish flat, polishing is cut in the end-grain cutting to be connected of the second conductor tube (2)
Smooth, the end face of the end to be connected of described first conductor tube (1) is vertical with the axis of the first conductor tube (1), and described second leads
The end face of the end to be connected of body pipe (2) is vertical with the axis of the second conductor tube (2)；
2) described first conductor tube (1) is fixed on the first slip clamping tooling (3), the second conductor tube (2) is fixed on
On two slip clamping toolings (4), the end to be connected of described first conductor tube (1) and the end to be connected of the second conductor tube (2) are relative
Arranging, the axis of described first conductor tube (1) overlaps with the axis of the second conductor tube (2)；
3) internal lining pipe (5) is laid in the axis along the first conductor tube (1), and the left end of described internal lining pipe (5) stretches into the first conductor tube
(1), in, the right-hand member of internal lining pipe (5) stretches in the second conductor tube (2), in the outer wall of described internal lining pipe (5) and the first conductor tube (1)
The spacing of wall is 0.15 ~ 0.2mm, the spacing of the outer wall of described internal lining pipe (5) and the inwall of the second conductor tube (2) is 0.15 ~
0.2mm；Slide described first slip clamping tooling (3) and the second slip clamping tooling (4) so that the first conductor tube (1) and
Two conductor tube (2) are close, leave the gap of at least 3mm between the first conductor tube (1) and the second conductor tube (2)；
4) internal lining pipe (5) at gap between the first conductor tube (1) and the second conductor tube (2) is carried out high-temperature heating to a constant temperature
Degree, simultaneously Heating Silver welding rod make it just to the internal lining pipe (5) at gap between the first conductor tube (1) and the second conductor tube (2),
Silver soldering agent after fusing separately flows into the first conductor along the gap of internal lining pipe (5) with the first conductor tube (1) and the second conductor tube (2)
In pipe (1) and the second conductor tube (2)；
5) the silver soldering agent after to be melted by after internal lining pipe (5) and the gap filling of the first conductor tube (1) and the second conductor tube (2),
Slide the first slip clamping tooling (3) and the second slip clamping tooling (4) so that the first conductor tube (1) and the second conductor tube (2)
Close up Guan Bi；
6) stop internal lining pipe (5) is heated, wipe the first conductor tube (1) and the second conductor tube (2) junction outer wall after cooling
The oxide of residual.
A kind of radio-frequency cable inner conductor method of attachment the most according to claim 1, it is characterised in that described first conductor tube
(1) external diameter of and the second conductor tube (2) is 9.2mm.
A kind of radio-frequency cable inner conductor method of attachment the most according to claim 2, it is characterised in that described first conductor tube
(1) wall thickness of and the second conductor tube (2) is 0.3mm.
A kind of radio-frequency cable inner conductor method of attachment the most according to claim 3, it is characterised in that at described first conductor
Being equipped with female thread on pipe (1) and the second conductor tube (2) inwall, described female thread is led along corresponding first conductor tube (1) and second
The inwall of body pipe (2) diagonally distributes, and the helical angle of described female thread is 2 ~ 30 °, and the addendum angle of described female thread is 10 ~ 63 °, institute
The tooth depth stating female thread is 0.05 ~ 0.25mm.
A kind of radio-frequency cable inner conductor method of attachment the most according to claim 4, it is characterised in that the silver of described silver solder
Content is 45%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786270.9A CN106252906B (en) | 2016-08-31 | 2016-08-31 | A kind of radio-frequency cable inner conductor connection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786270.9A CN106252906B (en) | 2016-08-31 | 2016-08-31 | A kind of radio-frequency cable inner conductor connection method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106252906A true CN106252906A (en) | 2016-12-21 |
| CN106252906B CN106252906B (en) | 2018-11-27 |
Family
ID=58080618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610786270.9A Active CN106252906B (en) | 2016-08-31 | 2016-08-31 | A kind of radio-frequency cable inner conductor connection method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106252906B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599119A2 (en) * | 1992-11-20 | 1994-06-01 | Kabelmetal Electro GmbH | Device for the contacting of the central conductor of a coaxial high frequency of cable |
| CN101159184A (en) * | 2007-10-11 | 2008-04-09 | 肖立群 | Radio-frequency cable inner conductor pipe and its processing method |
| CN201084841Y (en) * | 2007-09-30 | 2008-07-09 | 郑天富 | A copper tube connector |
| CN101409385A (en) * | 2007-10-11 | 2009-04-15 | 肖立群 | Connection structure for conductor pipe in radio-frequency cable |
| CN202393281U (en) * | 2012-01-05 | 2012-08-22 | 金龙精密铜管集团股份有限公司 | Internal-thread copper pipe |
| CN102684036A (en) * | 2012-05-19 | 2012-09-19 | 林锐涛 | Tube bus connection method |
| CN204130707U (en) * | 2014-08-29 | 2015-01-28 | 中国石油集团渤海钻探工程有限公司 | Cable welding structure |
| CN105127533A (en) * | 2015-09-06 | 2015-12-09 | 西安航空动力股份有限公司 | Connecting method for thin-wall slim tubes |
-
2016
- 2016-08-31 CN CN201610786270.9A patent/CN106252906B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0599119A2 (en) * | 1992-11-20 | 1994-06-01 | Kabelmetal Electro GmbH | Device for the contacting of the central conductor of a coaxial high frequency of cable |
| CN201084841Y (en) * | 2007-09-30 | 2008-07-09 | 郑天富 | A copper tube connector |
| CN101159184A (en) * | 2007-10-11 | 2008-04-09 | 肖立群 | Radio-frequency cable inner conductor pipe and its processing method |
| CN101409385A (en) * | 2007-10-11 | 2009-04-15 | 肖立群 | Connection structure for conductor pipe in radio-frequency cable |
| CN202393281U (en) * | 2012-01-05 | 2012-08-22 | 金龙精密铜管集团股份有限公司 | Internal-thread copper pipe |
| CN102684036A (en) * | 2012-05-19 | 2012-09-19 | 林锐涛 | Tube bus connection method |
| CN204130707U (en) * | 2014-08-29 | 2015-01-28 | 中国石油集团渤海钻探工程有限公司 | Cable welding structure |
| CN105127533A (en) * | 2015-09-06 | 2015-12-09 | 西安航空动力股份有限公司 | Connecting method for thin-wall slim tubes |
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| Publication number | Publication date |
|---|---|
| CN106252906B (en) | 2018-11-27 |
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