CN211038939U - Conductive device and wind power generation equipment - Google Patents
Conductive device and wind power generation equipment Download PDFInfo
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- CN211038939U CN211038939U CN201921810645.6U CN201921810645U CN211038939U CN 211038939 U CN211038939 U CN 211038939U CN 201921810645 U CN201921810645 U CN 201921810645U CN 211038939 U CN211038939 U CN 211038939U
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- 238000010248 power generation Methods 0.000 title claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 88
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004412 Bulk moulding compound Substances 0.000 description 3
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- 229910052751 metal Inorganic materials 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- 229920006305 unsaturated polyester Polymers 0.000 description 1
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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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- Wind Motors (AREA)
Abstract
The utility model provides a conductive device and wind power generation equipment. The conductive device includes a first conductive component, a second conductive component, a first wireless communication module, and a second wireless communication module. The first conductive component is provided with a first connecting terminal, the second conductive component comprises a conductive contact, a conductive part and a second connecting terminal, the second connecting terminal is connected with the conductive contact through the conductive part, and the second conductive component is connected with the first conductive component in a sliding mode through the conductive contact; the first communication module is fixedly connected with the first conductive assembly, and the first communication module is in communication connection with the second wireless communication module. The utility model provides a conductive device is equipped with first conductive component and the second conductive component of pivoted relatively, and has first wireless communication module and the second wireless communication module that can wireless communication, utilizes conductive device can realize that the power part passes through conductive component transmission, and the signal part passes through wireless communication module transmission.
Description
Technical Field
The embodiment of the utility model provides a relate to the power generation technology, especially relate to an electrically conductive device and wind power generation equipment.
Background
At present, a double-fed type or permanent magnet type wind generating set has the problem of cable twisting when yawing, and a power cable (690V), a part of set power supply cables (400V) and a communication optical cable are required to be connected between a cabin and a tower no matter a converter in the wind generating set is positioned under the cabin or the tower. Usually, cables such as cables, communication optical cables and the like are vertically suspended from the tail end of a cabin bridge frame to a saddle twisting platform and then fixed on a cable support frame of a tower barrel through a hoop. When the wind direction changes, yaw system control cabin carries out wind, and the cabin takes the cable to twist this moment, according to unit design and cable characteristic requirement, for preventing that the cable from being twisted off, when the cable angle of twisting of cable surpassed 720, yaw system can trigger the safety chain mechanism, and generating set shuts down promptly, and yaw system control cabin replies the initial position, nevertheless when twisting the cable angle and too big, partial unit still need manual cable untwisting, makes the cabin reply the initial position.
Generally, the length from the cabin cable to the saddle twisting platform is about 10m, when the wind direction changes or the wind speed is large, the cabin yaw or the cabin shakes greatly, the problems of shaking of the cable, change of the cable length and the like can be caused, and the cable is worn over time. When the cable bundles at the suspended section in the wind generating set are dense, the air circulation at the periphery of a single cable is small, the current distributed by the single cable is large during full-power generation, the cable generates more heat, and the local cable aging is easy to accelerate.
SUMMERY OF THE UTILITY MODEL
The utility model provides a conductive device and wind power generation equipment to overcome the cable angle restriction of turning round that wind power generation equipment met when driftage, solved the easy wearing and tearing of cable simultaneously, driftage system operability is poor, be difficult to the problem of maintaining.
In a first aspect, an embodiment of the present invention provides an electrical conduction device, including: the wireless communication device comprises a first conductive component, a second conductive component, a first wireless communication module and a second wireless communication module; the first conductive assembly is provided with a first connecting terminal, the second conductive assembly comprises a conductive contact, a conductive part and a second connecting terminal, the second connecting terminal is connected with the conductive contact through the conductive part, and the second conductive assembly is in sliding connection with the first conductive assembly through the conductive contact; the first wireless communication module is fixedly connected with the first conductive assembly, and the first wireless communication module is in communication connection with the second wireless communication module.
Optionally, the first conductive component is hollow, an inner surface of the first conductive component is insulated, and the first wireless communication module and the second wireless communication module are fixed inside the first conductive component at intervals.
Optionally, the first conductive component is hollow, the inner surface of the first conductive component is insulated, the first wireless communication module is fixed inside the first conductive component,
the outer surface of the conductive part is insulated, the conductive part is fixedly connected with a connecting part, and the second wireless communication module is fixedly connected with the connecting part.
Optionally, the wire harness sleeve is further included, and the wire harness sleeve is connected with the conductive part.
In a second aspect, the embodiment of the utility model provides a wind power generation equipment, including cabin, a tower section of thick bamboo and driftage system, the driftage system includes the driftage bearing, still wraps the utility model discloses the electrically conductive device who records, the inside of a tower section of thick bamboo is equipped with first fixed bolster, the inner circle of driftage bearing is fixed with the second fixed bolster, first electrically conductive subassembly with first fixed bolster fixed connection, second electrically conductive subassembly with second fixed bolster fixed connection.
Optionally, the second wireless communication module is fixedly connected to the second fixing bracket.
Optionally, the first conductive component is hollow, an inner surface of the first conductive component is insulated, the first wireless communication module is fixed inside the first conductive component, the first wireless communication module and the second wireless communication module are coaxially arranged,
the first fixing support is embedded in the first conductive assembly, and is provided with a first wiring harness channel which is used for passing through a cable electrically connected with the first wireless communication module.
Optionally, the second fixing bracket is provided with a second wire harness passage,
the second wire harness channel is used for passing through a cable electrically connected with the second wireless communication module, the second wire harness channel is also used for passing through an output cable of the generator in the engine room, and the output cable is electrically connected with a second wiring terminal.
Optionally, the yaw bearing further comprises a torque sensor, and the torque sensor is meshed with the outer ring of the yaw bearing through a gear.
Optionally, the yaw bearing further comprises a damper, a spring and a damping slider are arranged in a shell of the damper, and the spring presses the damping slider on the surface of the yaw bearing.
Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model provides a conductive device is equipped with first conductive component and the second conductive component of pivoted relatively, and has first wireless communication module and the second wireless communication module that can wireless communication, utilizes conductive device can realize that the power part passes through conductive component transmission, and the signal part passes through wireless communication module transmission. The utility model provides a wind power generation equipment is equipped with above-mentioned electric installation, when the cabin takes place to rotate, can not appear turning round and seizing the phenomenon, also need not to untie the cable operation, has improved wind power generation equipment's operability, has reduced wind power generation equipment's the maintenance degree of difficulty.
Drawings
FIG. 1 is a schematic structural diagram of a conductive device according to a first embodiment;
FIG. 2 is a schematic view of another embodiment of a conductive device;
FIG. 3 is a schematic view of a wind turbine according to a second embodiment.
Description of reference numerals:
the device comprises a first conductive component-1, a first connecting terminal, a second conductive component-2, a conductive contact-21, a conductive part-22, a second connecting terminal-23, a connecting part-24, a wiring harness sleeve-25, a first wireless communication module-3, a second wireless communication module-4, a cabin-100, a tower-200, a first fixing support-201, a yaw system-300, a yaw bearing-301 and a second fixing support-302.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a schematic structural diagram of a conductive device in a first embodiment, and referring to fig. 1, the present embodiment provides a conductive device, including: a first conductive component 1, a second conductive component 2, a first wireless communication module 3, and a second wireless communication module 4. The first conductive component 1 is provided with a first connecting terminal 11, the second conductive component 2 comprises a conductive contact 21, a conductive part 22 and a second connecting terminal 23, the second connecting terminal 23 is connected with the conductive contact 21 through the conductive part 22, and the second conductive component 2 is connected with the first conductive component 1 in a sliding mode through the conductive contact 21. The first wireless communication module 3 is fixedly connected with the first conductive component 1, and the first wireless communication module 3 is in communication connection with the second wireless communication module 4.
In this embodiment, the first wireless communication module 3 is fixedly connected to the first conductive member 1, for example, fixed on the outer surface of the first conductive member 1, and the second wireless communication module 4 may also be disposed on the outer surface of the first conductive member 1. Alternatively, the second wireless communication module 4 may be disposed on a bracket other than the first conductive member 1, as long as it is ensured that the first wireless communication module 3 and the second wireless communication module 4 can communicate normally.
Optionally, the first wireless communication module 3 and the second wireless communication module 4 may be a bluetooth communication module or a laser communication module.
Optionally, the main body of the first conductive component 1 may be a cylindrical structure, and the second conductive component 2 may be slidably connected to the top surface of the main body of the first conductive component 1 through the conductive contact 21, or may be slidably connected to the side surface of the main body of the first conductive component 1 through the conductive contact 21. Illustratively, the side surface of the main body of the first conductive member 1 may be a smooth conductive surface. At the moment, the metal conducting layer ring on the outer surface of the first conducting component 1 is made of brass by casting, so that the outer surface of the first conducting component 1 has good hardness and wear resistance. The side surface of the main body of the first conductive component 1 can also be provided with a groove, at this time, the surface of the main body of the first conductive component 1 is insulated, the surface of the groove is conductive, and the conductive contact 21 is embedded in the groove. At the moment, the insulating layer on the outer surface of the first conductive component 1 is formed by pressing unsaturated polyester bulk molding compound, so that the compression resistance, impact resistance and ageing resistance of the first conductive component 1 can be improved.
Optionally, the conductive contacts include graphite brushes, electrographite brushes, metal graphite carbon brushes, and pure metal brushes.
In this embodiment, the conductive device is used as an intermediate component for connecting cables at two ends, for example, a cable is connected to the first connection terminal 11, and another cable is connected to the second connection terminal 23, and for example, the cable connected to the first connection terminal 11 may be a cable connected to a voltage transformation device, and the cable connected to the second connection terminal 23 may be a power transmission cable at an electric energy output end of the generator, and since the power transmission cable is fixed on the second conductive component 2 and the second conductive component 2 can rotate relative to the first conductive component 1, when the generator rotates, a cable twisting phenomenon does not occur.
As an alternative, the first conductive member 1 is hollow, the inner surface of the first conductive member 1 is insulated, and the first wireless communication module 3 and the second wireless communication module 4 are fixed at intervals inside the first conductive member. Optionally, an insulating sleeve may be disposed inside the first conductive element 1 to insulate the inner surface of the first conductive element, and the insulating sleeve may be formed by impregnating and casting epoxy resin and alkali-free fiberglass cloth.
Illustratively, the second wireless communication module 4 can be used for receiving the working state of the generator, and in order to avoid the situation of cable, the generator sends data information to the second wireless communication module 4 in a wireless manner.
Fig. 2 is a schematic structural diagram of another conductive apparatus according to the first embodiment, and referring to fig. 2, in the conductive apparatus shown in fig. 2, the first conductive member 1 is hollow, the inner surface of the first conductive member 1 is insulated, the first wireless communication module 3 is fixed inside the first conductive member 1, the outer surface of the conductive part 22 is insulated, the conductive part 22 is fixedly connected to a connecting part 24, and the second wireless communication module 4 is fixedly connected to the connecting part 24.
In the conductive device shown in fig. 2, the second wireless communication module 4 is fixed on the main body of the second conductive assembly 2 through the connecting portion 24, for example, the generator can be connected with the second wireless communication module 4 through a communication cable, and when the generator rotates, the communication cable rotates along with the second conductive assembly 2, so that the twisting phenomenon does not occur.
Optionally, the conductive device may further include a harness sleeve 25, and the harness sleeve 25 is connected to the conductive portion 22. A specific harness sleeve 25 is fitted outside the conductive portion 22, and the harness sleeve 25 is used to protect the cable connected to the conductive portion 22.
The conductive device provided by the embodiment is provided with a first conductive component 1 and a second conductive component 2 which can rotate relatively, and is provided with a first wireless communication module 3 and a second wireless communication module 4 which can perform wireless communication, the power supply part can be transmitted through the conductive components by utilizing the conductive device, and the signal part can be transmitted through the wireless communication modules. The twisting phenomenon which occurs when the generator rotates can be eliminated through the conducting device.
Example two
Fig. 3 is a schematic structural diagram of a wind power generation device according to a second embodiment, and referring to fig. 3, the present embodiment provides a wind power generation device, including a nacelle 100, a tower 200, and a yaw system 300, where the yaw system 300 includes a yaw bearing 301 and further includes any conductive device described in the embodiments, a first fixing bracket 201 is disposed inside the tower 200, a second fixing bracket 302 is fixed to an inner ring of the yaw bearing 301, the first conductive assembly 1 is fixedly connected to the first fixing bracket 201, and the second conductive assembly 2 is fixedly connected to the second fixing bracket 302.
Referring to fig. 3, the nacelle 100 is connected to the tower 200 through a yaw bearing 301, the yaw bearing 301 is used for carrying the mechanical load of the whole nacelle 100, and the outer ring of the yaw bearing 301 is connected to the tower 200 through a gear structure, so that the whole nacelle 100 is equivalently mounted on a pivoting support based on the tower 200.
In this embodiment, the second fixing bracket 302 is fixed to the inner ring of the yaw bearing 301 and is fixedly connected to the second conductive assembly 2, and the first fixing bracket 201 is fixed to the platform inside the tower 200 and is fixedly connected to the first conductive assembly 1, so that when the nacelle 100 rotates, the second conductive assembly 2 is stationary with respect to the nacelle 100 and rotates with respect to the tower 200. The electric power and communication transmission from the nacelle 100 to the tower 200 is completed through the conductive device, so that the twisting problem generated when the yaw system 300 works can be avoided.
Preferably, the second wireless communication module 4 is fixedly connected with the second fixing bracket 302.
Preferably, the first conductive component 1 is hollow, the inner surface of the first conductive component 1 is insulated, the first wireless communication module 3 is fixed inside the first conductive component 1, the first wireless communication module 3 and the second wireless communication module 4 are coaxially arranged, the first fixing support 201 is embedded inside the first conductive component 1, the first fixing support 201 is provided with a first cable channel, and the first cable channel is used for passing through a cable electrically connected with the first wireless communication module 3. The second conductive component 2 is connected with the outer surface of the first conductive component 1 in a sliding way through a conductive contact 21, wherein, in order to improve the power transmission efficiency, a plurality of conductive contacts 21 are arranged on the second conductive component 2.
In order to meet the mechanical requirements of wind power generation equipment, an insulating sleeve is arranged in the first conductive component 1 in the embodiment, the insulating sleeve is formed by impregnating and pouring epoxy resin and alkali-free glass fiber cloth, and the insulating sleeve is resistant to chemical corrosion and high in strength. The main body of the first conductive member 1 is made of H62 brass, tensile strength (Rm N/mm 2)) Not less than 385.0 and not less than 15.0 percent of elongation (A percent). The top surface and the bottom surface of the first conductive component 1 are provided with insulating rings, the insulating rings are formed by pressing bulk molding compound (UP-BMC), and the thermal deformation temperature is 200-280 ℃. The conductive part 22 of the second conductive assembly 2 is formed by processing oxygen-free red copper, so that the conductive part 22 has high conductivity and good corrosion resistance. Optionally, the conductive contact 21 is a conductive carbon brush with a copper content of 50% and a constant current density of 10-23A/cm2And Rockwell hardness of 110.
Preferably, the second fixing bracket 302 is provided with a second cable channel for passing a cable electrically connected with the second wireless communication module 4, and the second cable channel is also used for passing an output cable of the generator in the nacelle 100, and the output cable is electrically connected with the second connection terminal. Make the hollow support body in inside with second fixed bolster 302 to the cable setting can reduce the wearing and tearing between the cable in the inside of support body, improves the life-span of cable.
Optionally, the wind power generation apparatus further comprises a torque sensor, and the torque sensor is meshed with the outer ring of the yaw bearing 301 through a gear. The degree of yaw of the nacelle 100 is conveniently monitored by measuring the angle of rotation of the yaw bearing 301 via a torque sensor.
Optionally, the wind power generation device further includes a damper, a spring and a damping slider are disposed in a housing of the damper, and the spring presses the damping slider on the surface of the yaw bearing 301. A certain braking torque can be applied to the yaw bearing through the damper, so that the running stability of the yaw system 300 is ensured, and the mechanical impact in the starting and stopping processes is reduced.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An electrically conductive device, comprising: the wireless communication device comprises a first conductive component, a second conductive component, a first wireless communication module and a second wireless communication module;
the first conductive assembly is provided with a first connecting terminal, the second conductive assembly comprises a conductive contact, a conductive part and a second connecting terminal, the second connecting terminal is connected with the conductive contact through the conductive part, and the second conductive assembly is in sliding connection with the first conductive assembly through the conductive contact;
the first wireless communication module is fixedly connected with the first conductive assembly, and the first wireless communication module is in communication connection with the second wireless communication module.
2. The conductive apparatus of claim 1, wherein the first conductive member is hollow, an inner surface of the first conductive member is insulated, and the first wireless communication module and the second wireless communication module are spaced apart and fixed inside the first conductive member.
3. The conductive apparatus of claim 1, wherein the first conductive member is hollow, an inner surface of the first conductive member is insulated, the first wireless communication module is fixed inside the first conductive member,
the outer surface of the conductive part is insulated, the conductive part is fixedly connected with a connecting part, and the second wireless communication module is fixedly connected with the connecting part.
4. The conductive apparatus of claim 1, further comprising a harness sleeve coupled to the conductive portion.
5. A wind power plant comprising a nacelle, a tower and a yaw system, the yaw system comprising a yaw bearing, characterized in that it further comprises a conductive device according to claim 1, a first fixing bracket is arranged inside the tower, a second fixing bracket is fixed to the inner ring of the yaw bearing,
the first conductive assembly is fixedly connected with the first fixed support, and the second conductive assembly is fixedly connected with the second fixed support.
6. Wind power plant according to claim 5, characterized in that a second wireless communication module is fixedly connected with the second fixed bracket.
7. The wind power generation apparatus of claim 5, wherein the first conductive member is hollow, an inner surface of the first conductive member is insulated, a first wireless communication module is fixed inside the first conductive member, the first wireless communication module is coaxially disposed with a second wireless communication module,
the first fixing support is embedded in the first conductive assembly, and is provided with a first wiring harness channel which is used for passing through a cable electrically connected with the first wireless communication module.
8. A wind power plant according to claim 5, wherein the second stationary bracket is provided with a second harness channel,
the second wire harness channel is used for passing through a cable electrically connected with the second wireless communication module, the second wire harness channel is also used for passing through an output cable of the generator in the engine room, and the output cable is electrically connected with a second wiring terminal.
9. The wind power plant of claim 5, further comprising a torque sensor that meshes with an outer race of the yaw bearing through a gear.
10. The wind power plant of claim 5, further comprising a damper having a spring and a damping slider disposed within a housing of the damper, the spring pressing the damping slider against a surface of the yaw bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921810645.6U CN211038939U (en) | 2019-10-25 | 2019-10-25 | Conductive device and wind power generation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921810645.6U CN211038939U (en) | 2019-10-25 | 2019-10-25 | Conductive device and wind power generation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211038939U true CN211038939U (en) | 2020-07-17 |
Family
ID=71566560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921810645.6U Active CN211038939U (en) | 2019-10-25 | 2019-10-25 | Conductive device and wind power generation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211038939U (en) |
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2019
- 2019-10-25 CN CN201921810645.6U patent/CN211038939U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A conductive device and wind power generation equipment Effective date of registration: 20211108 Granted publication date: 20200717 Pledgee: Bank of Jiangsu Co.,Ltd. Shanghai Zhabei sub branch Pledgor: SHANGHAI TN INDUSTRIAL CO.,LTD.|KUAIBEI NEW ENERGY TECHNOLOGY (SHANGHAI) Co.,Ltd. Registration number: Y2021310000099 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231214 Granted publication date: 20200717 Pledgee: Bank of Jiangsu Co.,Ltd. Shanghai Zhabei sub branch Pledgor: SHANGHAI TN INDUSTRIAL CO.,LTD.|KUAIBEI NEW ENERGY TECHNOLOGY (SHANGHAI) Co.,Ltd. Registration number: Y2021310000099 |