CN115173170A - Slip ring for realizing communication signal transmission through photoelectric signal conversion - Google Patents
Slip ring for realizing communication signal transmission through photoelectric signal conversion Download PDFInfo
- Publication number
- CN115173170A CN115173170A CN202210736809.5A CN202210736809A CN115173170A CN 115173170 A CN115173170 A CN 115173170A CN 202210736809 A CN202210736809 A CN 202210736809A CN 115173170 A CN115173170 A CN 115173170A
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- rotor
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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
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
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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
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a slip ring for realizing communication signal transmission by photoelectric signal conversion, which comprises an electric slip ring stator, a first conversion mechanism, a second conversion mechanism, a connecting mechanism, a coding mechanism and an electric brush mechanism, wherein an electric slip ring rotor is rotatably arranged in the electric slip ring stator, the first conversion mechanism consists of a first photoelectric conversion module and a stator edge optical fiber cable, the second conversion mechanism consists of a second photoelectric conversion module and a rotor edge optical fiber cable, and the connecting mechanism consists of a smooth ring rotor edge and a smooth ring stator edge. The invention utilizes the arrangement of the first conversion mechanism, the second conversion mechanism and the connection mechanism, converts optical signals and electric signals through the first conversion mechanism and the second conversion mechanism, and then transmits the optical signals through the smooth ring rotor edge and the smooth ring stator edge which are arranged in a non-contact way, namely, the communication signals can be transmitted in a non-contact way, the quantity of transmission media cannot be changed in the working process when the rotor boundary position is determined, the transmission media are stable, and the transmitted signals are also stable.
Description
Technical Field
The invention relates to the technical field of communication signal transmission, in particular to a slip ring for realizing communication signal transmission by photoelectric signal conversion.
Background
In aerogenerator working process, information in its wheel hub needs to carry out real-time transmission to the cabin, because wheel hub is in the rotation state, so when carrying out the transmission of signal, can carry out the transmission of signal through the sliding ring, present sliding ring product signal all works through mechanical friction mode, rotary part is ring shape part, the fixed part is that the sub-strand or stranded brush silk is constituteed, the brush silk is certain angle and the compression quantity assembly is fixed with the copper ring, ensure the required signal of continuous transmission in the sliding ring working process.
The existing slip ring working mode is a contact friction type working mode, contact parts are made of copper-based materials, the surface of the slip ring is guaranteed to have signal transmission performance through a plated precious metal coating, the signal transmission is unstable after the surface coating of the contact parts is abraded and drops due to friction in the using process of a product, the service life of the whole product is short, and machine set damage and low utilization rate can be caused due to frequent fault shutdown.
Disclosure of Invention
The invention aims to provide a slip ring for realizing communication signal transmission by photoelectric signal conversion, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a slip ring for realizing communication signal transmission by photoelectric signal conversion comprises:
the electric slip ring stator is internally provided with an electric slip ring rotor in a rotating way;
the first conversion mechanism consists of a first photoelectric conversion module and a stator side optical fiber cable, and one end of the stator side optical fiber cable is connected with the input end of the first photoelectric conversion module;
the second conversion mechanism consists of a second photoelectric conversion module and a rotor side optical fiber cable, and one end of the rotor side optical fiber cable is connected with the output end of the second photoelectric conversion module;
the connecting mechanism consists of a smooth ring rotor edge and a smooth ring stator edge, the other end of the rotor edge optical fiber cable is connected with one side of the smooth ring rotor edge, and the other end of the stator edge optical fiber cable is connected with one side of the smooth ring stator edge;
the coding mechanism is arranged outside the smooth ring rotor edge;
a brush mechanism disposed outside the electrical slip ring rotor.
Preferably, the coding mechanism includes encoder stator limit and encoder rotor limit, encoder rotor limit fixed connection is in the one end on electric slip ring rotor, smooth ring rotor limit alternates and sets up in the inner wall on encoder rotor limit, the outside on encoder rotor limit is located to encoder stator limit cover, be provided with fixed establishment between encoder stator limit and the electric slip ring stator.
Preferably, the fixed establishment includes encoder fixing base and a plurality of bracing piece, and is a plurality of the one end of bracing piece all with one side fixed connection of encoder fixing base, it is a plurality of the other end of bracing piece all with the inner wall fixed connection of electric slip ring stator, encoder stator limit is installed in one side fixed connection of encoder fixing base, one side of encoder fixing base is provided with the mechanism that splines.
Preferably, the rotation stopping mechanism comprises a smooth ring rotation stopping block, the smooth ring rotation stopping block is installed on one side of the encoder fixing seat, a clamping hole is formed in one side of the smooth ring rotation stopping block, and the smooth ring stator edge is arranged on the inner wall of the clamping hole in a penetrating mode.
Preferably, the electric brush mechanism comprises a plurality of connecting rods, the connecting rods are fixedly connected to the inner wall of the electric slip ring stator, the outer walls of the connecting rods are provided with a plurality of brush holders, and the outer walls of the brush holders are provided with brush wires.
Preferably, the outer wall of the electric slip ring rotor is provided with a power copper ring, and a plurality of power insulation sheets are arranged on the outer wall of the electric slip ring rotor and at the position of the power copper ring at intervals.
Preferably, the outer wall of the electric slip ring rotor is provided with a signal copper ring, and a plurality of signal insulation sheets are arranged on the outer wall of the electric slip ring rotor and at the position of the signal copper ring at intervals.
Preferably, the outer wall of the electric slip ring rotor is sleeved with a first bearing, a rear baffle is arranged between the first bearing and the signal copper ring, the outer wall of the electric slip ring rotor is sleeved with a second bearing and a third bearing, and a clamping ring is arranged between the second bearing and the third bearing.
Preferably, a stator edge connector is installed on the outer wall of the electric slip ring stator, a stator communication cable is arranged between the stator edge connector and the first photoelectric conversion module, a rotor edge box is arranged at the other end of the electric slip ring rotor, the second photoelectric conversion module is arranged inside the rotor edge box, a rotor edge connector is arranged on the outer wall of the rotor edge box, and a rotor communication cable is arranged between the rotor edge connector and the second photoelectric conversion module.
The invention has the technical effects and advantages that:
(1) The invention utilizes the arrangement of a first conversion mechanism, a second conversion mechanism and a connecting mechanism, converts optical signals and electrical signals through the first conversion mechanism and the second conversion mechanism, and then transmits the optical signals through the smooth ring rotor edge and the smooth ring stator edge which are arranged in a non-contact way, namely, the communication signals can be transmitted in a non-contact way, the original mechanical friction rotation transmission way is changed into a non-contact rotation transmission way, the rotor boundary position is determined without contact, the quantity of a product transmission medium cannot be changed in the working process of the product, the transmission medium is stable, and the transmitted signals are also stable;
(2) The invention utilizes the arrangement of the encoder stator edge and the encoder rotor edge, and the encoder stator edge and the encoder rotor edge are both provided with the middle through hole type encoder, so that the installation of the smooth ring rotor edge and the smooth ring stator edge is not influenced.
Drawings
FIG. 1 is a front sectional structural view of the present invention.
Fig. 2 is a schematic view of the enlarged structure at a point a in fig. 1 according to the present invention.
Fig. 3 is a schematic view of the enlarged structure at the position B of fig. 1 according to the present invention.
In the figure: 1. an electrical slip ring stator; 2. a first photoelectric conversion module; 3. stator communication cables; 4. a stator side joint; 5. an encoder stator side; 6. an encoder rotor edge; 7. a first bearing; 8. a tailgate; 9. a connecting rod; 10. a brush holder; 11. brushing wires; 12. a second bearing; 13. a third bearing; 15. a second photoelectric conversion module; 16. a rotor communication cable; 17. a rotor edge joint; 18. a rotor-side fiber optic cable; 19. an electrical slip ring rotor; 20. a rotor edge box; 21. a snap ring; 22. a power insulating sheet; 23. a power copper ring; 24. a signal copper ring; 25. a signal insulation sheet; 26. an optical slip ring rotor edge; 27. an optical slip ring stator side; 28. a support bar; 29. a smooth ring rotation stop block; 30. an encoder fixing seat; 31. stator side fiber optic cables.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a slip ring for realizing communication signal transmission by photoelectric signal conversion, which comprises an electric slip ring stator 1, a first conversion mechanism, a second conversion mechanism, a connection mechanism, an encoding mechanism and an electric brush mechanism, wherein an electric slip ring rotor 19 is rotationally arranged in the electric slip ring stator 1;
the first conversion mechanism consists of a first photoelectric conversion module 2 and a stator edge optical fiber cable 31, one end of the stator edge optical fiber cable 31 is connected with the input end of the first photoelectric conversion module 2, the second conversion mechanism consists of a second photoelectric conversion module 15 and a rotor edge optical fiber cable 18, one end of the rotor edge optical fiber cable 18 is connected with the output end of the second photoelectric conversion module 15, the outer wall of the electric slip ring stator 1 is provided with a stator edge connector 4, a stator communication cable 3 is arranged between the stator edge connector 4 and the first photoelectric conversion module 2, the other end of the electric slip ring rotor 19 is provided with a rotor edge cable box 20, the second photoelectric conversion module 15 is arranged inside the rotor edge cable box 20, the outer wall of the rotor edge cable box 20 is provided with a rotor edge connector 17, and a rotor communication cable 16 is arranged between the rotor edge connector 17 and the second photoelectric conversion module 15, the connecting mechanism is composed of a smooth ring rotor edge 26 and a smooth ring stator edge 27, the other end of a rotor edge optical fiber cable 18 is connected with one side of the smooth ring rotor edge 26, the other end of a stator edge optical fiber cable 31 is connected with one side of the smooth ring stator edge 27, a rotor edge connector 17 transmits an electric signal to a second photoelectric conversion module 15 through a rotor communication cable 16, the second photoelectric conversion module 15 converts the received electric signal into an optical signal, the optical signal is transmitted to the smooth ring rotor edge 26 through the rotor edge optical fiber cable 18, the smooth ring rotor edge 26 and the smooth ring stator edge 27 are arranged in a non-contact mode, the optical signal is received through an optical slip ring stator edge 27, the received optical signal is transmitted to a first photoelectric conversion module 2 through a stator edge optical fiber cable 31, the optical signal is converted into an electric signal to be output, and the electric signal is transmitted to a stator edge connector 4 through a stator communication cable 3, the internal information of the hub is fed back to the cabin, the original mechanical friction rotation transmission mode is changed into a non-contact rotation transmission mode by adopting a non-contact working principle through the optical signal, the rotor boundary position is determined without contact, the quantity of a product transmission medium cannot be changed in the working process of a product, the transmission medium is stable, and the transmitted signal is also stable;
the encoding mechanism is arranged outside the smooth ring rotor edge 26 and comprises an encoder stator edge 5 and an encoder rotor edge 6, the encoder rotor edge 6 is fixedly connected to one end of the electric slip ring rotor 19, the smooth ring rotor edge 26 is arranged on the inner wall of the encoder rotor edge 6 in an inserting mode, the encoder stator edge 5 is sleeved outside the encoder rotor edge 6, the fixing mechanism is arranged between the encoder stator edge 5 and the electric slip ring stator 1, and the encoder stator edge 5 and the encoder rotor edge 6 are both middle through hole type encoders, so that the installation of the optical slip ring cannot be influenced;
the fixing mechanism comprises an encoder fixing seat 30 and a plurality of supporting rods 28, one ends of the supporting rods 28 are fixedly connected with one side of the encoder fixing seat 30, the other ends of the supporting rods 28 are fixedly connected with the inner wall of the electric slip ring stator 1, the encoder stator edge 5 is fixedly connected with one side of the encoder fixing seat 30, and a rotation stopping mechanism is arranged on one side of the encoder fixing seat 30;
the rotation stopping mechanism comprises a smooth ring rotation stopping block 29, the smooth ring rotation stopping block 29 is installed on one side of the encoder fixing seat 30, a clamping hole is formed in one side of the smooth ring rotation stopping block 29, the smooth ring stator edge 27 is inserted and arranged on the inner wall of the clamping hole, matched pin holes are formed in the outer wall of the smooth ring stator edge 27 and the inner wall of the clamping hole, and pins are inserted into the two pin holes, so that rotation stopping can be performed on the optical slip ring stator edge 27 under the action of the pins;
the electric brush mechanism is arranged outside the electric slip ring rotor 19 and comprises a plurality of connecting rods 9, the connecting rods 9 are fixedly connected to the inner wall of the electric slip ring stator 1, a plurality of brush holders 10 are arranged on the outer walls of the connecting rods 9, brush wires 11 are arranged on the outer walls of the brush holders 10, and power signals and safety chain signals are transmitted through the brush wires 11;
the outer wall of the electric slip ring rotor 19 is provided with a power copper ring 23, the outer wall of the electric slip ring rotor 19 and the position of the power copper ring 23 are provided with a plurality of power insulation sheets 22 at intervals, the outer wall of the electric slip ring rotor 19 is provided with a signal copper ring 24, the outer wall of the electric slip ring rotor 19 and the position of the signal copper ring 24 are provided with a plurality of signal insulation sheets 25 at intervals, when the electric slip ring rotor 19 rotates, the power copper ring 23 and the signal copper ring 24 are always in contact with the brush wire 11, so that power signals and safety chain signals are transmitted, sensitive communication signals are transmitted through non-contact photoelectric conversion, and the transmission of the communication signals in the slip ring is more stable;
the outer wall cover of electric sliding ring rotor 19 is equipped with first bearing 7, is provided with backplate 8 between first bearing 7 and the signal copper ring 24, and the outer wall cover of electric sliding ring rotor 19 is equipped with second bearing 12 and third bearing 13, is provided with snap ring 21 between second bearing 12 and the third bearing 13, and the tip of electric sliding ring rotor 19 seals between mode and the electric sliding ring stator 1 through the water seal.
The working principle of the invention is as follows: when the slip ring works, the hub can drive the rotor edge box 20 to rotate, and the electric signal received by the rotor edge connector 17 can be transmitted to the second photoelectric conversion module 15 through the rotor communication cable 16, the second photoelectric conversion module 15 converts the received electric signal into an optical signal, then the optical signal is transmitted through the rotor edge optical fiber cable 18 until the optical signal is transmitted into the smooth ring rotor edge 26, then under the cooperation of the encoder rotor edge 6 and the encoder stator edge 5, the optical signal in the optical slip ring rotor edge 26 is transmitted into the smooth ring stator edge 27, then the optical signal in the optical slip ring stator edge 27 is transmitted through the stator edge optical fiber cable 31 until the optical signal is transmitted into the first photoelectric conversion module 2, then the optical signal is converted into the electric signal through the first photoelectric conversion module 2, then the electric signal is transmitted into the stator edge connector 4 through the stator communication cable 3, and thus the internal information of the hub is fed back into the engine room.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A photoelectric signal conversion slip ring for realizing communication signal transmission is characterized by comprising:
the electric slip ring comprises an electric slip ring stator (1), wherein an electric slip ring rotor (19) is rotatably arranged inside the electric slip ring stator (1);
the first conversion mechanism is composed of a first photoelectric conversion module (2) and a stator side optical fiber cable (31), and one end of the stator side optical fiber cable (31) is connected with the input end of the first photoelectric conversion module (2);
the second conversion mechanism is composed of a second photoelectric conversion module (15) and a rotor side optical fiber cable (18), and one end of the rotor side optical fiber cable (18) is connected with the output end of the second photoelectric conversion module (15);
the connecting mechanism consists of a smooth ring rotor edge (26) and a smooth ring stator edge (27), the other end of the rotor edge optical fiber cable (18) is connected with one side of the smooth ring rotor edge (26), and the other end of the stator edge optical fiber cable (31) is connected with one side of the smooth ring stator edge (27);
an encoding mechanism disposed outside the optical slip ring rotor side (26);
a brush mechanism arranged outside the electrical slip ring rotor (19).
2. The slip ring for realizing communication signal transmission through photoelectric signal conversion according to claim 1, wherein the encoding mechanism comprises an encoder stator edge (5) and an encoder rotor edge (6), the encoder rotor edge (6) is fixedly connected to one end of the electric slip ring rotor (19), the optical slip ring rotor edge (26) is arranged on the inner wall of the encoder rotor edge (6) in an inserting manner, the encoder stator edge (5) is sleeved outside the encoder rotor edge (6), and a fixing mechanism is arranged between the encoder stator edge (5) and the electric slip ring stator (1).
3. The slip ring for realizing communication signal transmission through photoelectric signal conversion as claimed in claim 2, wherein the fixing mechanism comprises an encoder fixing seat (30) and a plurality of supporting rods (28), one end of each of the plurality of supporting rods (28) is fixedly connected with one side of the encoder fixing seat (30), the other end of each of the plurality of supporting rods (28) is fixedly connected with the inner wall of the electrical slip ring stator (1), the encoder stator edge (5) is fixedly connected with one side of the encoder fixing seat (30), and a rotation stopping mechanism is arranged on one side of the encoder fixing seat (30).
4. The slip ring for realizing communication signal transmission through photoelectric signal conversion as claimed in claim 3, wherein the rotation stopping mechanism comprises a smooth ring rotation stopping block (29), the smooth ring rotation stopping block (29) is installed on one side of the encoder fixing seat (30), a clamping hole is formed in one side of the smooth ring rotation stopping block (29), and the stator edge (27) of the optical slip ring is inserted and arranged on the inner wall of the clamping hole.
5. The slip ring for realizing communication signal transmission by photoelectric signal conversion is characterized in that the brush mechanism comprises a plurality of connecting rods (9), the connecting rods (9) are fixedly connected to the inner wall of the electric slip ring stator (1), the outer walls of the connecting rods (9) are provided with a plurality of brush holders (10), and the outer walls of the brush holders (10) are provided with brush wires (11).
6. The slip ring for realizing communication signal transmission by photoelectric signal conversion is characterized in that a power copper ring (23) is arranged on the outer wall of the electric slip ring rotor (19), and a plurality of power insulation sheets (22) are arranged on the outer wall of the electric slip ring rotor (19) at intervals at the position of the power copper ring (23).
7. The slip ring for converting optical signals into electrical signals for realizing communication signal transmission as claimed in claim 1, wherein the outer wall of the electrical slip ring rotor (19) is provided with a signal copper ring (24), and a plurality of signal insulation sheets (25) are arranged on the outer wall of the electrical slip ring rotor (19) at intervals at the position of the signal copper ring (24).
8. The slip ring for realizing communication signal transmission through photoelectric signal conversion is characterized in that a first bearing (7) is sleeved on the outer wall of the slip ring rotor (19), a rear baffle (8) is arranged between the first bearing (7) and the signal copper ring (24), a second bearing (12) and a third bearing (13) are sleeved on the outer wall of the slip ring rotor (19), and a clamping ring (21) is arranged between the second bearing (12) and the third bearing (13).
9. The slip ring for realizing communication signal transmission through photoelectric signal conversion as claimed in claim 1, wherein a stator edge connector (4) is mounted on an outer wall of the slip ring stator (1), a stator communication cable (3) is arranged between the stator edge connector (4) and the first photoelectric conversion module (2), a rotor edge box (20) is arranged at the other end of the slip ring rotor (19), the second photoelectric conversion module (15) is arranged inside the rotor edge box (20), a rotor edge connector (17) is arranged on an outer wall of the rotor edge box (20), and a rotor communication cable (16) is arranged between the rotor edge connector (17) and the second photoelectric conversion module (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210736809.5A CN115173170A (en) | 2022-06-27 | 2022-06-27 | Slip ring for realizing communication signal transmission through photoelectric signal conversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210736809.5A CN115173170A (en) | 2022-06-27 | 2022-06-27 | Slip ring for realizing communication signal transmission through photoelectric signal conversion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115173170A true CN115173170A (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210736809.5A Pending CN115173170A (en) | 2022-06-27 | 2022-06-27 | Slip ring for realizing communication signal transmission through photoelectric signal conversion |
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| CN (1) | CN115173170A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116449502A (en) * | 2022-12-23 | 2023-07-18 | 芜湖佳宏新材料股份有限公司 | Method for non-contact transparent transmission of optical signals by photoelectric rotary connector |
-
2022
- 2022-06-27 CN CN202210736809.5A patent/CN115173170A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116449502A (en) * | 2022-12-23 | 2023-07-18 | 芜湖佳宏新材料股份有限公司 | Method for non-contact transparent transmission of optical signals by photoelectric rotary connector |
| CN116449502B (en) * | 2022-12-23 | 2023-11-07 | 芜湖佳宏新材料股份有限公司 | Method for non-contact transparent transmission of optical signals by photoelectric rotary connector |
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