CN107658665B - Double-circuit high-frequency conductive slip ring - Google Patents
Double-circuit high-frequency conductive slip ring Download PDFInfo
- Publication number
- CN107658665B CN107658665B CN201711046821.9A CN201711046821A CN107658665B CN 107658665 B CN107658665 B CN 107658665B CN 201711046821 A CN201711046821 A CN 201711046821A CN 107658665 B CN107658665 B CN 107658665B
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- China
- Prior art keywords
- conductive
- rotor
- stator
- contact piece
- ring
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- 238000005476 soldering Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 10
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 claims description 4
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 230000008859 change Effects 0.000 abstract description 5
- 230000008054 signal transmission Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 230000008439 repair process Effects 0.000 abstract description 2
- 229910000679 solder Inorganic materials 0.000 description 3
- UFNIBRDIUNVOMX-UHFFFAOYSA-N 2,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1Cl UFNIBRDIUNVOMX-UHFFFAOYSA-N 0.000 description 2
- KKQWHYGECTYFIA-UHFFFAOYSA-N 2,5-dichlorobiphenyl Chemical compound ClC1=CC=C(Cl)C(C=2C=CC=CC=2)=C1 KKQWHYGECTYFIA-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
Landscapes
- Waveguide Connection Structure (AREA)
Abstract
The invention discloses a double-path high-frequency conductive slip ring, which comprises a rotor and a stator matched with the rotor; the rotor comprises a rotor shaft, a conductive ring, a conductive fixing ring, a conductive shaft, a radio frequency wire and a plurality of insulating sleeves; the stator comprises a stator shell, a first fixed PCB, a second fixed PCB, a first contact piece, a second contact piece, a resistor, a conductive piece, a first bearing, a second bearing and an F joint. And assembling the stator and the rotor, so that the first contact piece of the stator interferes with the conductive shaft of the rotor by 0.8mm to realize signal transmission, and the second contact piece of the stator interferes with the conductive ring of the rotor by 0.5mm to realize signal transmission. The invention solves the problems that the angle change winding connecting wire is needed to be replaced frequently, the maintenance and repair cost is high, and the duplex working mode can not be realized by using the single-path conductive slip ring in the prior art, so that the practical use is limited.
Description
Technical Field
The invention relates to the technical field of satellite communication and microwave communication, in particular to a double-path high-frequency conductive slip ring.
Background
With the continuous development of society, people's living standard is continuously improving, people's taste demand to recreation and entertainment is also continuously promoting, in order to solve people's boring in trip travel way, boring is not interesting, need a vehicle-mounted satellite antenna, on-board mobile satellite television receiving system, train mobile satellite television receiving system, on-board mobile satellite television receiving system, can let people watch the television program of world all over in real time in the travel way, remove tired and silence in the travel way, because car and boats and ships are in the travel way, satellite signal reception constantly need the change angle to receive the signal, do not use conductive slip ring or just single-way conductive slip ring in the most markets, the problem that just there is angle change winding connecting wire does not have to use conductive slip ring, make it need frequent change, maintenance and maintenance cost are too high, can't make its duplex mode of operation with single-way conductive slip ring, practical use has certain limitation.
The double-channel high-frequency conductive slip ring is characterized by that it utilizes the sliding contact mode, electrostatic coupling and impedance coupling, and utilizes the rotating component mounted on the fixed seat and rolling or sliding component to transfer electric signal and high-frequency signal, so that it is a product required in the development process of modern industry, and can implement reliable signal transmission device between two relatively-moving components.
Accordingly, the prior art has drawbacks, and the present invention has been developed based on this.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention provides a double-path high-frequency conductive slip ring.
In order to achieve the above purpose, the technical scheme of the invention is as follows: a double-path high-frequency conductive slip ring comprises a rotor and a stator matched with the rotor.
The rotor comprises a rotor shaft, a conductive ring, a conductive fixing ring, a conductive shaft, a radio frequency wire and a plurality of insulating sleeves; the rotor shaft is sequentially sleeved with the conductive ring and the conductive fixing ring in the axial direction, and adjacent parts are separated by the insulating sleeve; the rotor shaft is a hollow cavity, the radio frequency wire penetrates through the rotor shaft center, the wire core of the radio frequency wire is connected with the conductive shaft in a soldering mode, and the conductive shaft is wrapped by the insulating sleeve.
The stator comprises a stator shell, a first fixed PCB, a second fixed PCB, a first contact piece, a second contact piece, a resistor, a conductive piece, a first bearing and a second bearing; the first contact piece is connected with the first fixed PCB through soldering tin, and the resistor and the second contact piece are fixed on the second fixed PCB through soldering tin and are fixed in the stator shell through pressure equalizing; the first contact piece is contacted with the conductive shaft of the rotor; the conducting strip is arranged in a round hole in the stator shell and is contacted with the first bearing in an interference pressing mode; the first bearing is in contact with the conductive fixing ring of the rotor; the second bearing is sleeved on the rotor shaft of the rotor in an interference press fit connection mode.
Preferably, the rotor further comprises a rotor bushing connected to the rotor shaft by means of screws.
Preferably, the outer layer of the radio frequency wire is provided with a shielding layer which is assembled with the inner hole soldering tin of the rotor shaft.
Preferably, the stator further comprises two groups of F connectors, the F connectors are connected with the stator main shell in a threaded mode, and the inner cores of the F connectors are respectively connected with the first contact piece and the second contact piece in a soldering tin guiding mode.
Preferably, the stator housing comprises a main housing formed in a split manner, a stator cover plate and a stator fixing plate, wherein the stator cover plate and the stator fixing plate are matched with the main housing; the stator fixing plate is matched with the second bearing and fixedly connected with the main shell through screws.
Preferably, the conductive ring is made of imported phosphor copper QSn6.5-0.1 material.
Preferably, the stator main housing is made of H65 brass material.
Preferably, the first contact piece and the second contact piece are made of imported beryllium copper C17300 material.
By adopting the technical scheme, the invention has the following advantages:
1. the transmission frequency can reach 1.5GHz, the insertion loss is 1.5dB, the standing wave is less than or equal to 1.5, and the good performance of the unlimited rotary conductive slip ring is realized;
2. the stator main shell is made of H65 brass material, the conductivity is good, the contact piece is made of imported beryllium copper C17300 material, the conductivity, the wear resistance and the elasticity are good, the conductive ring is made of imported phosphor copper QSn6.5-0.1 material, the conductivity and the wear resistance are good, and the best state of the product performance is realized;
3. the invention solves the problems that the angle change winding connecting wire is needed to be replaced frequently and the maintenance and repair cost is too high in the prior art without using the conductive slip ring; the problem that a duplex working mode cannot be realized by using a single-way conductive slip ring, and a certain limitation exists on practical use is solved.
Drawings
FIG. 1 is an exploded schematic view of a rotor construction of the present invention;
FIG. 2 is an exploded schematic view of the stator structure of the present invention;
FIG. 3 is a schematic diagram of the structure of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
FIG. 5 is a top view of the present invention;
fig. 6 is a side view of the present invention.
Detailed Description
The invention will be further described with reference to specific examples and figures.
Referring to fig. 1 to 6, the present invention provides a dual-path high-frequency conductive slip ring, which includes a rotor and a stator cooperating with the rotor.
The rotor comprises a rotor shaft 1, a conductive ring 2, a conductive fixing ring 3, a conductive shaft 4, a radio frequency wire 5 and a plurality of insulating sleeves 6; the rotor shaft 1 is sequentially sleeved with the conductive ring 2 and the conductive fixing ring 3 in the axial direction, and adjacent parts are separated by the insulating sleeve 6; the rotor shaft 1 is a hollow cavity, the radio frequency wire 5 passes through the rotor shaft center, the wire core of the radio frequency wire is in solder connection with the conductive shaft 4, and the conductive shaft 4 is wrapped by the insulating sleeve 6; the outer layer of the radio frequency wire 5 is provided with a shielding layer which is assembled with the inner hole soldering tin of the rotor shaft 1. The rotor further comprises a rotor bushing 7, which is connected to the rotor shaft 1 by means of screws.
The stator comprises a stator housing, a first fixed PCB 8, a second fixed PCB 9, a first contact piece 10, a second contact piece 11, a resistor 12, a conductive piece 13, a first bearing 14, a second bearing 15. The stator housing comprises a main housing 16 formed in a split mode, a stator cover plate 17 and a stator fixing plate 18, wherein the stator cover plate 17 and the stator fixing plate 18 are matched with the main housing; the stator fixing plate 18 is matched with the second bearing 15 and fixedly connected with the main housing 16 through screws. The first contact piece 10 is in solder connection with the first fixed PCB 8, the resistor 12 and the second contact piece 11 are both fixed on the second fixed PCB 9 by solder, and are fixed in the stator main shell 16 by pressure equalizing; the first contact piece 10 is in contact with the conductive shaft 4 of the rotor; the conducting strip 13 is arranged in a round hole in the stator main shell 16 and is contacted with the first bearing 14 in an interference pressing mode; the first bearing 14 is in contact with the conductive fixing ring 3 of the rotor; the second bearing 15 is sleeved on the rotor shaft 1 of the rotor in an interference press-fit connection mode. The stator further comprises two groups of F joints 19, the F joints 19 are connected with the stator main shell 16 in a threaded mode, and the inner cores of the F joints are respectively communicated with the first contact piece 10 and the second contact piece 11 in a soldering tin guiding mode.
In summary, the stator and the rotor are assembled, the rotor passes through the first bearing, so that the conductive fixing ring of the rotor is in contact with the first bearing, the first contact piece of the stator and the conductive shaft of the rotor interfere by 0.8mm to realize signal transmission, and the second contact piece of the stator and the conductive ring of the rotor interfere by 0.5mm to realize signal transmission. In the specific embodiment, the transmission frequency can reach 1.5GHz, the insertion loss is 1.5dB, the standing wave is less than or equal to 1.5, and the good performance of the unlimited rotary conductive slip ring is realized. The shell is made of H65 brass material, the conductivity is good, the contact piece is made of imported beryllium copper C17300 material, the conductivity, the wear resistance and the elasticity are good, the conductive ring is made of imported phosphor copper QSn6.5-0.1 material, the conductivity and the wear resistance are good, and the best state of the product performance is realized.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the implementation of the invention is not limited by the above manner, and it is within the scope of the invention to apply the inventive concept and technical solution to other situations as long as various improvements made by the inventive concept and technical solution are adopted, or without any improvement.
Claims (7)
1. A double-circuit high frequency conductive slip ring which is characterized in that: comprises a rotor and a stator matched with the rotor; the rotor comprises a rotor shaft, a conductive ring, a conductive fixing ring, a conductive shaft, a radio frequency wire and a plurality of insulating sleeves; the rotor shaft is sequentially sleeved with the conductive ring and the conductive fixing ring in the axial direction, and adjacent parts are separated by the insulating sleeve; the rotor shaft is a hollow cavity, the radio frequency wire penetrates through the rotor shaft center, a wire core of the radio frequency wire is connected with the conductive shaft in a soldering manner, and the conductive shaft is wrapped by an insulating sleeve; the stator comprises a stator shell, a first fixed PCB, a second fixed PCB, a first contact piece, a second contact piece, a resistor, a conductive piece, a first bearing and a second bearing; the first contact piece is connected with the first fixed PCB through soldering tin, and the resistor and the second contact piece are fixed on the second fixed PCB through soldering tin and are fixed in the stator shell through pressure equalizing; the first contact piece is contacted with the conductive shaft of the rotor; the second contact piece is in contact with the conductive ring of the rotor; the conducting strip is arranged in a round hole in the stator shell and is contacted with the first bearing; the first bearing is in contact with the conductive fixing ring of the rotor; the first bearing is sleeved on the rotor shaft of the rotor and is arranged close to the conducting strip;
the stator shell comprises a main shell body formed in a split mode, a stator cover plate and a stator fixing plate, wherein the stator cover plate and the stator fixing plate are matched with the main shell body; the stator fixing plate is matched with the second bearing and fixedly connected with the main shell through a screw;
the second bearing is sleeved on the rotor shaft of the rotor and is arranged close to the stator fixing plate.
2. The conductive slip ring as set forth in claim 1 wherein: the rotor further comprises a rotor bushing, which is connected to the rotor shaft by means of screws.
3. The conductive slip ring as set forth in claim 1 wherein: the outer layer of the radio frequency wire is provided with a shielding layer which is assembled with the inner hole soldering tin of the rotor shaft.
4. The conductive slip ring as set forth in claim 1 wherein: the stator also comprises two groups of F joints, wherein the F joints are connected with the stator main shell in a threaded mode, and the inner cores of the F joints are respectively connected with the first contact piece and the second contact piece in a soldering tin guiding way.
5. The conductive slip ring as set forth in claim 1 wherein: the conducting ring is made of imported phosphor copper QSn6.5-0.1 material.
6. The conductive slip ring of claim 1, wherein: the stator main shell is made of H65 brass.
7. The conductive slip ring as set forth in claim 1 wherein: the first contact piece and the second contact piece are made of imported beryllium copper C17300 materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046821.9A CN107658665B (en) | 2017-10-31 | 2017-10-31 | Double-circuit high-frequency conductive slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711046821.9A CN107658665B (en) | 2017-10-31 | 2017-10-31 | Double-circuit high-frequency conductive slip ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107658665A CN107658665A (en) | 2018-02-02 |
| CN107658665B true CN107658665B (en) | 2023-12-12 |
Family
ID=61095985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711046821.9A Active CN107658665B (en) | 2017-10-31 | 2017-10-31 | Double-circuit high-frequency conductive slip ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107658665B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110336169B (en) * | 2019-08-05 | 2024-05-28 | 东莞市马驰科精密制品有限公司 | Conductive bearing |
| CN113188785B (en) * | 2021-05-10 | 2022-04-15 | 中国航发湖南动力机械研究所 | High-speed slip ring rotor structure |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2371785A2 (en) * | 1973-06-15 | 1978-06-16 | Spinner Georg | Coaxial HF multiple rotatable coupling for rotating radar aerials - has outer coaxial system and inner coaxial system inside inner conductor of outer system |
| EP0951110A2 (en) * | 1998-04-15 | 1999-10-20 | Spinner GmbH Elektrotechnische Fabrik | HF-Rotary coupling |
| CN1906798A (en) * | 2004-05-12 | 2007-01-31 | 联邦国有企业“礼炮号”莫斯科国家工厂 | Multichannel rotatable joint (variants) |
| CN102185179A (en) * | 2011-03-11 | 2011-09-14 | 江苏北方电子有限公司 | Compact rotary joint structure |
| CN204011609U (en) * | 2014-07-31 | 2014-12-10 | 南京鑫轩电子系统工程有限公司 | A kind of Multichannel microwave rotary joint |
| CN205303911U (en) * | 2015-12-30 | 2016-06-08 | 成都工业学院 | Be provided with radar collector ring of shield plate |
| CN106935941A (en) * | 2017-03-06 | 2017-07-07 | 京航泰（北京）科技有限公司 | Double-channel coaxial rotary joint |
| CN207368393U (en) * | 2017-10-31 | 2018-05-15 | 深圳市森瑞普电子有限公司 | A kind of two-way high frequency conducting slip ring |
-
2017
- 2017-10-31 CN CN201711046821.9A patent/CN107658665B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2371785A2 (en) * | 1973-06-15 | 1978-06-16 | Spinner Georg | Coaxial HF multiple rotatable coupling for rotating radar aerials - has outer coaxial system and inner coaxial system inside inner conductor of outer system |
| EP0951110A2 (en) * | 1998-04-15 | 1999-10-20 | Spinner GmbH Elektrotechnische Fabrik | HF-Rotary coupling |
| CN1906798A (en) * | 2004-05-12 | 2007-01-31 | 联邦国有企业“礼炮号”莫斯科国家工厂 | Multichannel rotatable joint (variants) |
| CN102185179A (en) * | 2011-03-11 | 2011-09-14 | 江苏北方电子有限公司 | Compact rotary joint structure |
| CN204011609U (en) * | 2014-07-31 | 2014-12-10 | 南京鑫轩电子系统工程有限公司 | A kind of Multichannel microwave rotary joint |
| CN205303911U (en) * | 2015-12-30 | 2016-06-08 | 成都工业学院 | Be provided with radar collector ring of shield plate |
| CN106935941A (en) * | 2017-03-06 | 2017-07-07 | 京航泰（北京）科技有限公司 | Double-channel coaxial rotary joint |
| CN207368393U (en) * | 2017-10-31 | 2018-05-15 | 深圳市森瑞普电子有限公司 | A kind of two-way high frequency conducting slip ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107658665A (en) | 2018-02-02 |
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