CN108418313A - A kind of brushless magnetic coupling slip ring - Google Patents
A kind of brushless magnetic coupling slip ring Download PDFInfo
- Publication number
- CN108418313A CN108418313A CN201810470482.5A CN201810470482A CN108418313A CN 108418313 A CN108418313 A CN 108418313A CN 201810470482 A CN201810470482 A CN 201810470482A CN 108418313 A CN108418313 A CN 108418313A
- Authority
- CN
- China
- Prior art keywords
- slip
- ring
- slip ring
- light transmitting
- transmitting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000008878 coupling Effects 0.000 title claims abstract description 16
- 238000010168 coupling process Methods 0.000 title claims abstract description 16
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000004891 communication Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
Abstract
The present invention provides a kind of brushless magnetic coupling slip rings, it can occur to carry out electric energy transmission, data signal communication, the transmission of control signal and a kind of brushless magnetic coupling slip ring non-contact-point in the process of running between two parts equipment of relative rotation in mechanical equipment, substantially need not safeguard, reliability it is higher, a kind of brushless magnetic coupling slip ring is made of slip ring stator support, slip ring stator coil, slip ring stator light transmitting device, slip-ring rotor holder, slip-ring rotor coil, slip-ring rotor light transmitting device, optical cable.
Description
Technical field
The present invention relates to field of electromechanical equipment can be mounted on wind-driven generator more particularly to a kind of brushless magnetic coupling slip ring
Or the position of relative rotation occurs in other machinery device, can occur in mechanical device two parts equipment room of relative rotation into
Row energy transmission, the transmission of control signal, data transmission.
Background technology
With the development of wind driven generator technology, slip ring is a kind of indispensable equipment in wind-driven generator, it can
Electric energy, control signal, data-signal to be transferred in hub of wind power generator, wind-driven generator in normal course of operation,
Wheel hub is constantly in rotation status, it is ensured that the equipment in wheel hub can normally receive electric energy in engine rooms of wind power generators,
Signal, data-signal are controlled, the position of wheel hub and cabin generation relative rotation must must install slip ring in wind power generating set, when
The signals such as electric energy are all transferred to the other end that relative rotation occurs by preceding most of slip rings in a manner of contacting conduction, and contact is conductive
Mode certainly exists abrasion in slip ring rotation process, therefore most of wind-driven generator slip rings must be safeguarded once every year, and
Slip ring stability after maintenance is poor, and wind-driven generator is made to frequently occur failure, seriously affects unit availability and power generation
Efficiency, two parts non-contact-point of relative rotation occurs in slip ring for a kind of brushless magnetic coupling slip ring provided by the invention, therefore does not deposit
It is wearing, the later stage need not safeguard substantially, and the availability of wind power generating set can be substantially improved.
Invention content
The object of the present invention is to provide a kind of brushless magnetic coupling slip ring, with substitute it is existing swipe ring, promote slip ring can
By property, wind power generating set or the failure rate of other electromechanical equipments using slip ring are reduced.
The one side of the embodiment of the present invention provides a kind of brushless magnetic coupling slip ring, by slip ring stator support, slip ring stator
Coil, slip ring stator light transmitting device, slip-ring rotor holder, slip-ring rotor coil, slip-ring rotor light transmitting device, groups of cables
At.
The slip ring stator support is hollow cylinder structure, and slip ring stator support side is equipped with the slip ring stator
Coil, a slip ring stator support wherein bottom surface are equipped with the slip ring stator light transmitting device, the slip ring stator support
It is connect with the position that relative rotation occurs in electromechanical equipment.
The slip ring stator coil is metallic conduction coil, is mounted on the slip ring stator support, by conducting wire and outside
Portion's electrical equipment A connections, after external electrical device A is passed through alternating current to the slip ring stator coil, the slip ring stator line
Circle is internal to will produce variable magnetic field.
The slip ring stator light transmitting device is mounted on a slip ring stator support wherein bottom surface, the slip ring stator light
Transmitting device is opposite with the slip-ring rotor light transmitting device, and does not contact, therebetween by optical signal into row data communication,
The slip ring stator light transmitting device is connect by optical cable with external electrical device A.
The slip-ring rotor holder is hollow cylinder structure, and the slip-ring rotor side face is equipped with the slip-ring rotor
Coil, a slip-ring rotor holder wherein bottom surface are equipped with the slip-ring rotor light transmitting device, the slip-ring rotor holder
It being connect with the position that relative rotation occurs in electromechanical equipment, the slip ring stator support is nested in slip-ring rotor internal stent, and
With the slip-ring rotor holder with the electromechanical equipment being attached thereto relative rotation can occur for the slip ring stator support.
The slip-ring rotor coil be metallic conduction coil, be mounted on the slip-ring rotor side face, by conducting wire with
The B connections of external electrical equipment.
The slip-ring rotor light transmitting device is mounted on a slip-ring rotor holder wherein bottom surface, the slip-ring rotor light
Transmitting device is opposite with the slip ring stator light transmitting device, and does not contact, therebetween by optical signal into row data communication,
The slip-ring rotor light transmitting device is connect by optical cable with external electrical equipment B.
Operation principle：When external electrical device A is passed through alternating current to the slip ring stator coil, then the slip ring stator line
Circle is internal to will produce changing magnetic field, and according to faraday electromagnetic induction principle, coil is positioned in changing magnetic field, coil both ends
Induced voltage is will produce, therefore slip-ring rotor coil both ends also will produce induced voltage, slip-ring rotor coil both ends
External electrical equipment B is accessed by conducting wire respectively, to realize that electric energy is sent to external electrical equipment B from external electrical device A；
After the slip ring stator coil is passed through alternating current, as inside the slip ring stator coil there are conducting medium, then the conduction
Media interior will produce vortex, to make the conducting medium persistent fever, therefore using exhausted inside the slip ring stator support
The slip ring stator light transmitting device is connect by edge material optical cable with external electrical device A, the slip ring stator light transmitting device
It is in relative position with the slip-ring rotor light transmitting device, control signal and data-signal are carried out by optical signal therebetween
Transmission, the slip-ring rotor light transmitting device is connected by optical cable with external electrical equipment B, final external electrical device A and outside
Light is established between portion electrical equipment B by optical cable, the slip ring stator light transmitting device, the slip-ring rotor light transmitting device to lead to
Road carries out control signal and data signal transmission；Equally we can in the slip-ring rotor coil input AC electricity, it is described
Also induced voltage can be generated in slip ring stator coil, therefore according to field condition, it can be using the slip ring stator coil as electric energy
Input terminal also can be using the slip-ring rotor coil as electrical energy inputs.
Description of the drawings：
From below in conjunction with the accompanying drawings to the present invention specific implementation mode description in the present invention may be better understood, wherein：It is logical
It crosses and reads referring to the drawings to being described in detail made by non-limiting embodiment, other features, objects, and advantages of the invention
It can become more apparent upon, wherein same or analogous reference numeral indicates same or analogous feature.
Fig. 1 is a kind of brushless magnetic coupling slip ring structure schematic diagram
In Fig. 1：
101, slip ring stator support；102, slip ring stator coil；103, slip ring stator light transmitting device；
201, slip-ring rotor holder；202, slip-ring rotor coil；203, slip-ring rotor light transmitting device；
301, external electrical device A；
401, external electrical equipment B；
501, optical cable.
Specific implementation mode：
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In the following detailed description, it carries
Many details are gone out, in order to provide complete understanding of the present invention.But to those skilled in the art clearly
, of the invention to implement in the case of some details in not needing these details.Embodiment is retouched below
It states just for the sake of by showing that the example of the present invention is better understood from the present invention to provide.The present invention is never limited to following
Any concrete configuration and algorithm proposed, but cover under the premise of without departing from the spirit of the present invention element, component and
Any modification, replacement and the improvement of algorithm.In the the accompanying drawings and the following description, well known structure and technology is not shown, so as to
It avoids causing the present invention unnecessary fuzzy.
A more complete description example embodiment with reference to the drawings.However, exemplary embodiment can be with a variety of
Form is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention
More comprehensively and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.In the figure in order to clear
It is clear, it may be exaggerated the thickness of region and layer.Identical reference numeral indicates same or similar structure in figure, thus will save
Slightly their detailed description.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to fully understand the embodiment of the present invention to provide.However,
It will be appreciated by persons skilled in the art that technical scheme of the present invention can be put into practice without one in the specific detail or more
It is more, or other methods, constituent element, material may be used etc..In other cases, be not shown in detail or describe known features,
Material or operation to avoid the fuzzy present invention major technique intention.
In the description of the present invention, it is also necessary to which explanation unless otherwise expressly provided and limits, and term " installation " " connects
Connect ", " connected " understanding of broad sense should be done, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；
Can be directly connected to, it can also be indirectly connected through an intermediary.For the ordinary skill in the art, it can regard
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1, a kind of brushless magnetic coupling slip ring that one embodiment of the invention provides includes：
A kind of brushless magnetic coupling slip ring by slip ring stator support 101, slip ring stator coil 102, slip ring stator light transmitting device 103,
Slip-ring rotor holder 201, slip-ring rotor coil 202, slip-ring rotor light transmitting device 203, optical cable 501 form.
Slip ring stator support 101 is hollow cylinder structure, and 101 side of slip ring stator support is equipped with slip ring stator coil
102, the wherein bottom surface of slip ring stator support 101 is equipped with slip ring stator light transmitting device 103, and slip ring stator support 101 is in addition
One bottom surface is connect with the position that relative rotation occurs in electromechanical equipment.
Slip ring stator coil 102 is metallic conduction coil, is mounted on slip ring stator support 101, slip ring stator coil 102
It is connect with external electrical device A 301 by conducting wire, slip ring stator coil 102 can be used as electrical energy inputs use, can also be used as electricity
Energy output end uses, when slip ring stator coil 102 is used as electrical energy inputs in use, external electrical device A 301 is fixed to slip ring
After subcoil 102 is passed through alternating current, variable magnetic field will produce inside slip ring stator coil 102.
Slip ring stator light transmitting device 103 is mounted on the wherein bottom surface of slip ring stator support 101, slip ring stator optical transport dress
It sets 103 opposite with slip-ring rotor light transmitting device 203, and does not contact, therebetween by optical signal into row data communication and control
Signal transmission processed, slip ring stator light transmitting device 103 are connect by optical cable with external electrical device A 301.
Slip-ring rotor holder 201 is hollow cylinder structure, and 201 side of slip-ring rotor holder is equipped with slip-ring rotor coil
202, the wherein bottom surface of slip-ring rotor holder 201 is equipped with slip-ring rotor light transmitting device 203, slip-ring rotor holder 201 and machine
The position connection of relative rotation occurs in electric equipment, slip ring stator support 101 is nested in inside slip-ring rotor holder 201, and sliding
With slip-ring rotor holder 201 with the electromechanical equipment being attached thereto relative rotation can occur for ring stator support 101.
Slip-ring rotor coil 202 is metallic conduction coil, is mounted on 201 side of slip-ring rotor holder, by conducting wire and outside
Portion's electrical equipment B301 connections, slip-ring rotor coil 202 can be used as electrical energy inputs, can also be used as electric energy output end, specifically make
It can be determined according to field condition with mode.
Slip-ring rotor light transmitting device 203 is mounted on the wherein bottom surface of slip-ring rotor holder 201, slip-ring rotor optical transport dress
It sets 203 opposite with slip ring stator light transmitting device 103, and does not contact, therebetween by optical signal into row data communication, slip ring
Rotor light transmitting device 203 is connect by optical cable with external electrical equipment B.
Claims (3)
1. a kind of brushless magnetic coupling slip ring, which is characterized in that include：
A kind of brushless magnetic coupling slip ring is by slip ring stator support (101), slip ring stator coil（102）, slip ring stator optical transport
Device（103）, slip-ring rotor holder（201）, slip-ring rotor coil（202）, slip-ring rotor light transmitting device（203）, optical cable
（501）Composition, the slip ring stator coil（102）Mounted on the slip ring stator support（101）Side, the slip ring stator light
Transmitting device（103）Mounted on the slip ring stator support（101）A wherein bottom surface, the slip-ring rotor coil（202）Installation
In the slip-ring rotor holder（201）Side, the slip-ring rotor light transmitting device（203）Mounted on the slip-ring rotor holder
（201）A wherein bottom surface, the slip ring stator support（101）It is internal to be nested in slip-ring rotor holder (201).
2. a kind of brushless magnetic coupling slip ring as described in claim 1, it is characterised in that：
The slip ring stator support（101）For hollow cylinder structure, it is nested in slip-ring rotor holder（201）Inside, the slip ring
Stator support（101）With the slip-ring rotor holder（201）It is connect respectively with the position that relative rotation occurs in mechanical equipment, institute
State slip ring stator support（101）A wherein bottom surface is equipped with the slip ring stator light transmitting device（103）, the slip ring stator light
Transmitting device（103）Pass through optical cable（501）With external electrical device A（301）Connection, the slip ring stator coil（102）Installation
In the slip ring stator support（101）Side, the slip ring stator coil（102）It can be used as electrical energy inputs or output end pass through
Plain conductor and external electrical device A（301）Connection.
3. a kind of brushless magnetic coupling slip ring as described in claim 1, it is characterised in that：
The slip-ring rotor holder（201）For hollow cylinder structure, the slip-ring rotor holder（201）Wherein a bottom surface is equipped with
The slip-ring rotor light transmitting device（203）, the slip-ring rotor light transmitting device（203）Pass through optical cable（501）With external electrical
Gas equipment B（401）Connection, the slip-ring rotor coil（202）Mounted on the slip-ring rotor holder（201）Side, the cunning
Rotor coil（202）It can be used as electrical energy inputs or output end and pass through plain conductor and external electrical equipment B（401）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470482.5A CN108418313A (en) | 2018-05-17 | 2018-05-17 | A kind of brushless magnetic coupling slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810470482.5A CN108418313A (en) | 2018-05-17 | 2018-05-17 | A kind of brushless magnetic coupling slip ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108418313A true CN108418313A (en) | 2018-08-17 |
Family
ID=63139744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810470482.5A Pending CN108418313A (en) | 2018-05-17 | 2018-05-17 | A kind of brushless magnetic coupling slip ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108418313A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855017A (en) * | 2019-11-28 | 2020-02-28 | 九江英智科技有限公司 | Wireless slip ring |
| CN112564303A (en) * | 2020-12-15 | 2021-03-26 | 重庆前卫无线电能传输研究院有限公司 | Sleeve type wireless electric energy transmission coupling mechanism |
| CN112583126A (en) * | 2020-12-15 | 2021-03-30 | 重庆前卫无线电能传输研究院有限公司 | Nested wireless energy signal synchronous transmission device with slip ring |
| CN112600311A (en) * | 2020-12-15 | 2021-04-02 | 重庆前卫无线电能传输研究院有限公司 | Nested wireless energy signal synchronous transmission device |
| CN112653250A (en) * | 2020-12-15 | 2021-04-13 | 重庆前卫无线电能传输研究院有限公司 | Energy signal transmission system and method for adjusting blades of wind driven generator |
| CN113964957A (en) * | 2021-11-18 | 2022-01-21 | 重庆前卫无线电能传输研究院有限公司 | Sleeve type wireless energy signal transmission coupling mechanism and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87105510A (en) * | 1986-08-29 | 1988-03-09 | 通用电气公司 | Adopt the brushless generator exciter of hybrid rectifier |
| CN202395282U (en) * | 2011-12-15 | 2012-08-22 | 杭州驰宏科技有限公司 | Photoelectric integrated slide ring |
| CN205248585U (en) * | 2015-12-29 | 2016-05-18 | 北京金风科创风电设备有限公司 | Light electrical slip ring and wind generating set |
| CN205265699U (en) * | 2015-11-27 | 2016-05-25 | 中国航空工业集团公司北京航空精密机械研究所 | Non -contact light electrical slip ring device |
| EP3096416A1 (en) * | 2015-05-21 | 2016-11-23 | ELET.CA S.r.l. con Socio Unico | Slip ring and corresponding transmission method |
| CN106532970A (en) * | 2016-12-01 | 2017-03-22 | 上海思岚科技有限公司 | Wireless power transmission slip ring |
| CN207367773U (en) * | 2017-11-01 | 2018-05-15 | 深圳市森瑞普电子有限公司 | A kind of non-contact type rotary conductive slip ring |
| CN208226681U (en) * | 2018-05-17 | 2018-12-11 | 甘肃慧风节能有限公司 | A kind of brushless magnetic coupling slip ring |
-
2018
- 2018-05-17 CN CN201810470482.5A patent/CN108418313A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87105510A (en) * | 1986-08-29 | 1988-03-09 | 通用电气公司 | Adopt the brushless generator exciter of hybrid rectifier |
| CN202395282U (en) * | 2011-12-15 | 2012-08-22 | 杭州驰宏科技有限公司 | Photoelectric integrated slide ring |
| EP3096416A1 (en) * | 2015-05-21 | 2016-11-23 | ELET.CA S.r.l. con Socio Unico | Slip ring and corresponding transmission method |
| CN205265699U (en) * | 2015-11-27 | 2016-05-25 | 中国航空工业集团公司北京航空精密机械研究所 | Non -contact light electrical slip ring device |
| CN205248585U (en) * | 2015-12-29 | 2016-05-18 | 北京金风科创风电设备有限公司 | Light electrical slip ring and wind generating set |
| CN106532970A (en) * | 2016-12-01 | 2017-03-22 | 上海思岚科技有限公司 | Wireless power transmission slip ring |
| CN207367773U (en) * | 2017-11-01 | 2018-05-15 | 深圳市森瑞普电子有限公司 | A kind of non-contact type rotary conductive slip ring |
| CN208226681U (en) * | 2018-05-17 | 2018-12-11 | 甘肃慧风节能有限公司 | A kind of brushless magnetic coupling slip ring |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855017A (en) * | 2019-11-28 | 2020-02-28 | 九江英智科技有限公司 | Wireless slip ring |
| WO2021103673A1 (en) * | 2019-11-28 | 2021-06-03 | 九江英智科技有限公司 | Wireless slip ring |
| CN112564303A (en) * | 2020-12-15 | 2021-03-26 | 重庆前卫无线电能传输研究院有限公司 | Sleeve type wireless electric energy transmission coupling mechanism |
| CN112583126A (en) * | 2020-12-15 | 2021-03-30 | 重庆前卫无线电能传输研究院有限公司 | Nested wireless energy signal synchronous transmission device with slip ring |
| CN112600311A (en) * | 2020-12-15 | 2021-04-02 | 重庆前卫无线电能传输研究院有限公司 | Nested wireless energy signal synchronous transmission device |
| CN112653250A (en) * | 2020-12-15 | 2021-04-13 | 重庆前卫无线电能传输研究院有限公司 | Energy signal transmission system and method for adjusting blades of wind driven generator |
| CN112653250B (en) * | 2020-12-15 | 2023-06-30 | 重庆前卫无线电能传输研究院有限公司 | Energy signal transmission system and method for blade adjustment of wind driven generator |
| CN112583126B (en) * | 2020-12-15 | 2023-09-26 | 重庆前卫无线电能传输研究院有限公司 | Nested wireless energy signal synchronous transmission device with slip ring |
| CN112564303B (en) * | 2020-12-15 | 2023-09-26 | 重庆前卫无线电能传输研究院有限公司 | Sleeve type wireless power transmission coupling mechanism |
| CN113964957A (en) * | 2021-11-18 | 2022-01-21 | 重庆前卫无线电能传输研究院有限公司 | Sleeve type wireless energy signal transmission coupling mechanism and system |
| CN113964957B (en) * | 2021-11-18 | 2023-12-05 | 重庆前卫无线电能传输研究院有限公司 | Sleeve type wireless energy signal transmission coupling mechanism and system |
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