CN213959153U - Electric rotary connection structure capable of replacing wind power torsion cable - Google Patents
Electric rotary connection structure capable of replacing wind power torsion cable Download PDFInfo
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- CN213959153U CN213959153U CN202023235560.5U CN202023235560U CN213959153U CN 213959153 U CN213959153 U CN 213959153U CN 202023235560 U CN202023235560 U CN 202023235560U CN 213959153 U CN213959153 U CN 213959153U
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Abstract
An electric rotary connection structure capable of replacing a wind power torsion cable relates to the field of wind power generation electric energy transmission. Mainly twist round the cable at present and easily lead to insulating damaged twisting mutual friction in-process, bring the problem of hidden danger for system's safety and design. The energy collecting ring and the current collecting rings are arranged alternately, a contact finger is arranged between each current collecting ring and the energy collecting ring on one side of the current collecting ring, the energy collecting rings and the current collecting rings are provided with wiring terminals, the transmission part comprises a top plate, the edge of the top plate is fixed with an annular baffle, and the top plate is provided with a connecting handle; the static part comprises a bottom plate, a plurality of annular partition plates are fixed on the bottom plate, and an energy collecting ring and a current collecting ring are respectively arranged between every two adjacent annular partition plates and between the outermost ring of partition plates and the transmission part baffle plate. The advantage is that the twisted cable can be partially or completely replaced.
Description
The technical field is as follows:
the utility model belongs to the technical field of wind power generation electric energy transmission technique and specifically relates to an electricity swivelling joint structure that cable was turned round to wind-powered electricity generation can be replaced.
Background art:
in the field of wind power, electric energy transmission in a tower mainly adopts a cable. The efficiency of the wind driven generator is improved relative to the wind direction, and the engine room needs to rotate relative to the static tower barrel to capture the wind direction. To effectively accommodate this relatively stationary rotation, a cable with special requirements, commonly known as a twisted cable, must be used. To accommodate multiple turns, the twisted cable must be redundant of sufficient length. Increasing costs and also increasing the lay down weight. And the twisted cable is easy to cause insulation damage due to mutual friction in the twisting process, thereby bringing hidden danger to system safety. In recent years, although insulated tubular buses replace part of cables in a tower, the buses are still twisted by transition connection with twisted cables. Therefore, the electric rotary connector has strong practical significance and urgency for replacing the wind power twisted cable.
At present, on high-voltage electrical products, the contact fingers are widely used as the electric energy connection of the moving contact and the static contact which are frequently disconnected, and the successful experience of decades exists. The electric contact of axial dynamic sliding friction of the excircle of the conductor is realized through the medium action of the contact fingers. The utility model discloses borrow to touch and indicate as the medium, change conductor axial dynamic sliding friction into radial dynamic sliding friction's electrical contact, adapt to cabin low frequency low-speed couple or interrupted rotary motion and have certain scientific basis and pioneering nature.
The invention content is as follows:
the utility model aims to solve the technical problem that an electricity swivelling joint when solving the relative tower section of thick bamboo rotation in cabin is provided, reduce cost improves the electricity swivelling joint structure that wind-powered electricity generation of can replacing of transmission system reliability turns round the cable in the tower section of thick bamboo.
The above object is achieved by: the device comprises a fixed frame, a static part, a transmission part, a contact finger, a plurality of energy converging rings and a current converging ring;
the static part is fixed on the fixing frame, the transmission part is connected on the fixing frame through a bearing, the energy collecting rings are connected on the transmission part through a fixing clamp plate, the current collecting rings are arranged on the static part and are alternately arranged, a contact finger is arranged between each current collecting ring and the energy collecting ring adjacent to one side of each current collecting ring and serves as a conductive medium, current transmission between the energy collecting rings and the current collecting rings is achieved by arranging a wiring terminal on the energy collecting rings and the current collecting rings, the wiring terminal of the energy collecting rings extends out of the transmission part, the wiring terminal of the current collecting rings extends out of the static part, the transmission part is connected with the engine room through a connecting handle, the transmission part and the engine room synchronously rotate, and the transmission part can be driven to rotate around the axis of the static part along with the energy collecting rings.
The transmission part comprises a top plate, a downward extending annular baffle is fixed on the edge of the top plate, and a connecting handle is also fixed on the top plate; the static piece include the bottom plate, be fixed with the annular baffle that a plurality of upwards extends on the bottom plate, the space between two adjacent annular baffles and the space between outermost circle baffle and the driving medium baffle all are equipped with one respectively and converge can the ring and a collector ring.
A contact finger mounting groove can be arranged on the side surface of the energy collecting ring, a contact finger is mounted in the contact finger mounting groove of the energy collecting ring, and the contact finger is in sliding friction contact with the current collecting ring; the side surface of the collector ring can be provided with a contact finger mounting groove, the contact finger is mounted in the contact finger mounting groove of the collector ring and is in sliding friction contact with the energy collecting ring, and the current transmission between the energy collecting ring and the collector ring is realized through the elastic sliding friction contact of the contact finger.
The closed cavity formed by the bottom end of the energy collecting ring and the space between the energy collecting ring and the static piece can collect carbon silver powder generated by sliding friction.
As the utility model relates to an improvement of the rotatory connection structure of electricity that cable was turned round to the wind-powered electricity generation of can replacing, converge can ring, collector ring, touch to indicate to be electrically conductive material.
As the utility model relates to an improvement of the electric rotary connection structure of cable can replace wind-powered electricity generation to turn round, the collection can ring, collector ring, touch and indicate local or whole surface to have the electrically conductive inoxidizing coating.
As the utility model relates to an improvement of the electric rotary connection structure that the cable was turned round to the wind-powered electricity generation of can replacing, touch to indicate to touch for the spring or watchband touches to indicate.
As the utility model relates to a can replace wind-powered electricity generation to turn round improvement of electric swivelling joint structure of cable, the size of a dimension and the quantity of collecting ring how much according to wind power generation machine system requirement setting of ability ring sum collecting ring.
As the utility model relates to an improvement of the rotatory connection structure of electricity that cable was turned round to wind-powered electricity generation can be replaced, the size of a dimension and the quantity that touch the finger how much set up according to the transmission current size.
As the utility model relates to a can replace wind-powered electricity and turn round improvement of electric swivelling joint structure of cable, the binding post size of a dimension and quantity on collection ring how much according to the electric current setting of ability ring sum collector.
As the utility model relates to an improvement of the electric rotary connection structure of cable can replace wind-powered electricity generation to turn round, driving medium and static whole or partial structure be insulating.
As the utility model relates to an electricity swivelling joint structure's improvement of cable is turned round to wind-powered electricity generation can be replaced, the collection can encircle and set up on the driving medium according to a determining deviation, respectively converge and satisfy the electrical insulation requirement between the ability ring.
As the utility model relates to a can replace wind-powered electricity and turn round improvement of electric swivelling joint structure of cable, the collector ring set up on the stationary part according to a determining deviation, satisfy the electrical insulation requirement between each collector ring.
As the utility model relates to a can replace wind-powered electricity and turn round improvement of electric swivelling joint structure of cable, the collection can encircle for the collector ring rotation of same looks.
The utility model has the advantages that: the cable has the advantages of good current conduction performance, high reliability, strong practicability, simple structure and convenient installation, and can partially or completely replace the use of twisted cables.
Description of the drawings:
fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic structural diagram of a middle energy collecting ring according to the present invention;
fig. 4 is a schematic structural view of the middle slip ring of the present invention;
FIG. 5 is a schematic structural diagram of a transmission member according to the present invention;
fig. 6 is a schematic structural diagram of the stationary member of the present invention.
The specific implementation mode is as follows:
the technical solutions of the present invention will be described in detail with reference to the accompanying fig. 1-6 and the specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.
Please refer to fig. 1, which discloses a specific structure of an electrical rotary connection structure capable of replacing a wind power twisting cable according to the present invention, in this embodiment, the electrical rotary connection structure capable of replacing a wind power twisting cable includes: the device comprises an energy collecting ring 1, a current collecting ring 2, a contact finger 5, a transmission piece 3, a static piece 4, a fixed frame 6, a bearing assembly 7 and a fixed clamping plate 8.
In the embodiment, the phase of the wind power generator is set to be ABC three phases, and each phase needs 2 contact fingers to meet the current-carrying requirement.
The static part 4 comprises a bottom plate 41, and three annular partition plates 42 extending upwards are fixed on the bottom plate;
the transmission piece 3 comprises a top plate 31, a downward extending annular baffle 32 is fixed on the edge of the top plate, and a connecting handle 33 is also fixed on the top plate;
the static part is fixed on the mount, the driving medium passes through the bearing and connects on the mount, space between two adjacent annular baffles of static part and the space between outermost circle baffle and driving medium baffle all are equipped with converge can ring and collector ring, it is as conductive medium to touch the finger, the setting realizes converging the current transmission between ability ring and the collector ring between converging can ring and collector ring, it can ring and collector ring on be provided with the outside input and the output that realizes the electric current of binding post intercommunication, it can the ring binding post of collecting stretch out from the driving medium, the binding post of collector ring stretches out from the static part, it can the ring to converge and pass through solid fixed splint and connect on the driving medium. The transmission piece is connected with the engine room through the connecting handle, when the transmission piece rotates along with the engine room, the energy collecting ring rotates relative to the axis of the current collecting ring, and the contact finger spring arranged between the energy collecting ring and the current collecting ring conducts current, so that the purpose of rotary electric connection is realized.
In the embodiment, the energy collecting ring and the current collecting ring are preferably made of aluminum alloy, the contact fingers are preferably made of contact finger springs, and the material is preferably beryllium bronze.
In this embodiment, the contact fingers are preferably disposed on the slip ring, and the slip ring has 2 contact finger mounting grooves for receiving the contact fingers.
In the embodiment, the surfaces of the contact fingers, the surfaces of the contact finger grooves for accommodating the contact fingers on the collecting ring and the circumferential surfaces of the energy collecting ring in contact with the contact fingers are preferably subjected to carbon silver plating treatment.
In this embodiment, the driving member, the stationary member and the fixing plate are preferably made of insulating materials.
In the present embodiment, the fixing frame and the bearing assembly are preferably made of steel.
In the embodiment, a certain closed cavity 9 is reserved between the bottom end of the energy collecting ring and the static piece, and carbon silver powder generated by sliding friction can be collected.
In this embodiment, the transmission member has a protective function.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. An electric rotary connecting structure capable of replacing a wind power torsion cable comprises a fixed frame, a static part, a transmission part, a contact finger, a plurality of energy collecting rings and a current collecting ring; the method is characterized in that:
the static part is fixed on the fixing frame, the transmission part is connected on the fixing frame through a bearing, the energy collecting rings are fixed on the transmission part, the collector rings are arranged on the static part and are alternately arranged, contact fingers are arranged between each collector ring and the energy collecting ring on the inner side of the collector ring and serve as conductive media and are arranged between the energy collecting rings and the collector rings to achieve current transmission between the energy collecting rings and the collector rings, the energy collecting rings and the collector rings are provided with wiring terminals to communicate with the outside to achieve input and output of current, the wiring terminals of the energy collecting rings extend out of the transmission part, the wiring terminals of the collector rings extend out of the static part, and the energy collecting rings are connected on the transmission part through fixing clamping plates.
2. An electrical rotary connection structure capable of replacing a wind power twisted cable according to claim 1, wherein: the transmission part comprises a top plate, a downward extending annular baffle is fixed on the edge of the top plate, and a connecting handle is also fixed on the top plate; the static piece include the bottom plate, be fixed with the annular baffle that a plurality of upwards extends on the bottom plate, the space between two adjacent annular baffles and the space between outermost circle baffle and the driving medium baffle all are equipped with one respectively and converge can the ring and a collector ring.
3. An electrical rotary connection structure capable of replacing a wind power twisted cable according to claim 1, wherein: a contact finger mounting groove is formed in the side face of the energy converging ring, a contact finger is mounted in the contact finger mounting groove of the energy converging ring, and the contact finger is in sliding friction contact with the current converging ring; or a contact finger mounting groove is arranged on the side surface of the collector ring, the contact finger is mounted in the contact finger mounting groove of the collector ring, and the contact finger is in sliding friction contact with the energy collecting ring.
4. An electrical rotary connection structure capable of replacing a wind power cable according to claim 1 or 2, wherein: the energy collecting ring, the current collecting ring and the contact finger are made of conductive materials; the energy collecting ring, the current collecting ring and the contact finger are partially or completely provided with conductive protective layers on the surfaces.
5. An electrical rotary connection structure capable of replacing a wind power cable according to claim 1 or 2, wherein: the contact finger is a spring contact finger or a watchband contact finger.
6. An electrical rotary connection structure capable of replacing a wind power cable according to claim 1 or 2, wherein: the size and the number of the energy collecting rings and the current collecting rings are set according to the manufacturing requirements of the wind driven generator; the size and the number of the contact fingers are set according to the size of the transmission current; the size and the number of the wiring terminals on the energy collecting ring and the current collecting ring are set according to the current.
7. An electrical rotary connection structure capable of replacing a wind power cable according to claim 1 or 2, wherein: the transmission piece and the static piece are insulated in whole or partial structure.
8. An electrical rotary connection structure capable of replacing a wind power cable according to claim 1 or 2, wherein: the energy converging rings are arranged on the transmission part at certain intervals, and the interval between the energy converging rings meets the requirement of electrical insulation; the collector rings are arranged on the static piece at a certain interval, and the interval between the collector rings meets the requirement of electrical insulation.
9. An electrical rotary connection structure capable of replacing a wind power cable according to claim 1 or 2, wherein: and carrying out carbon-silver plating treatment on the surface of a contact finger mounting groove for accommodating the contact finger on the collector ring or the energy collecting ring and the circumferential surface of the energy collecting ring contacted with the contact finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023235560.5U CN213959153U (en) | 2020-12-29 | 2020-12-29 | Electric rotary connection structure capable of replacing wind power torsion cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023235560.5U CN213959153U (en) | 2020-12-29 | 2020-12-29 | Electric rotary connection structure capable of replacing wind power torsion cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213959153U true CN213959153U (en) | 2021-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023235560.5U Active CN213959153U (en) | 2020-12-29 | 2020-12-29 | Electric rotary connection structure capable of replacing wind power torsion cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213959153U (en) |
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2020
- 2020-12-29 CN CN202023235560.5U patent/CN213959153U/en active Active
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