CN209823060U - Integrated form high accuracy fan unit sliding ring - Google Patents
Integrated form high accuracy fan unit sliding ring Download PDFInfo
- Publication number
- CN209823060U CN209823060U CN201920607043.4U CN201920607043U CN209823060U CN 209823060 U CN209823060 U CN 209823060U CN 201920607043 U CN201920607043 U CN 201920607043U CN 209823060 U CN209823060 U CN 209823060U
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- conductive
- conducting
- shaft
- ring
- fan unit
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Abstract
The utility model discloses an integrated form high accuracy fan unit sliding ring, including conducting shaft and sliding ring casing, the conducting shaft is both ends confined hollow shaft, be equipped with the coolant liquid in the hollow shaft, equidistant installing a plurality of conducting rings on the conducting shaft, the conducting ring be provided with a plurality of undercut's circular arc recess on the surface, it restraints to slide on every circular arc recess and is provided with convex brush, brush restraints and installs on the electricity gang tube body through the guide arm, install insulating spacer ring between the double-phase adjacent conducting ring, interval installation has 2 at least conducting grooves on the sliding ring casing between front end housing and the conducting ring nearest apart from the front end housing, the inside of conducting groove is hollow structure, be equipped with conducting liquid in every conducting groove, install on the conducting shaft and stretch into the conducting contact piece that conducting groove and conducting liquid contacted. The utility model has the advantages of reasonable structure, easy operation, high rotation precision, stable performance, low maintenance cost and good heat dissipation effect.
Description
Technical Field
The utility model belongs to the technical field of wind power generation, concretely relates to integrated form high accuracy fan unit sliding ring.
Background
Wind energy is increasingly gaining attention as a renewable clean energy source. Among them, wind power generation is one of the most widely used wind energy at present, and not only is environment-friendly, but also can generate a large amount of electric energy. The wind power slip ring is used for bearing the power, control signal and data transmission functions of the whole system in a wind power generation system, is a very key part in the whole wind power generation set, and directly influences the performance of the wind power generation set by the precision, reliability and service life of the wind power generation slip ring. The slip ring used on the existing wind driven generator is composed of a rotor part and a stator part, an electric brush is fixed on a stator or a rotor and is in electrical contact with a corresponding conducting ring on the stator or the rotor, the rotor can rotate at a high speed during application, and an electric brush bundle and the conducting ring rub quickly; secondly, along with the quick friction of brush bundle and conducting ring, need regularly to overhaul brush bundle and conducting ring and daily maintenance, rotor and stator are difficult to dismantle in the maintenance process, and the maintenance process damages product spare part easily to cause the waste of resource and the increase of cost of maintenance, and thirdly, the axis of rotation can produce a large amount of heats at the pivoted in-process, is difficult to shed, makes the temperature of whole device rise fast easily, leads to conducting ring and brush bundle temperature to rise, influences the stability of sliding ring operation. Therefore, it is objectively needed to develop an integrated high-precision fan unit slip ring which is reasonable in structure, easy to operate, high in rotation precision, stable in performance, low in maintenance cost and good in heat dissipation effect.
Disclosure of Invention
An object of the utility model is to provide a rational in infrastructure, easy to operate, rotation precision height, stable performance, maintenance cost low, and have good radiating effect's integrated form high accuracy fan group sliding ring.
The utility model aims at realizing the purpose, which comprises a conductive shaft and a slip ring shell, wherein the conductive shaft is a hollow shaft with two closed ends, the hollow shaft is filled with cooling liquid, one end of the conductive shaft is provided with a shaft sleeve, the shaft sleeve is sleeved with a front end cover through a front end bearing, the end part of the shaft sleeve is provided with a stirring plate, the stirring plate is provided with a shifting fork, the other end of the conductive shaft is provided with a rear supporting cover, the rear supporting cover is provided with a protective cover through a rear end bearing, the end part of the protective cover is provided with a connecting flange, the slip ring shell is arranged between the front end cover and the protective cover through a fastening screw, the conductive shaft is provided with a plurality of conducting rings at equal intervals, the surface of the conducting ring is provided with a plurality of arc grooves which are sunken downwards, each arc groove is provided with an arc brush bundle in a, an insulating spacer ring is arranged between two adjacent conducting rings, at least 2 conducting grooves are arranged on the slip ring shell between the front end cover and the conducting ring closest to the front end cover at intervals, the conducting grooves are hollow, an insulating layer is arranged on the outer wall of each conducting groove, conducting liquid is filled in each conducting groove, and conducting contact pieces which stretch into the conducting grooves and are in contact with the conducting liquid are arranged on the conducting shafts.
Furthermore, the surfaces of the brush bundles and the conductive rings are provided with conductive lubricating grease layers.
Furthermore, O-shaped sealing rings are arranged between the conductive shaft and the shaft sleeve and between the conductive shaft and the rear supporting cover.
Preferably, the conductive liquid is mercury, an electrolyte solution, and a liquid metal.
Further, the conductive contact piece is an annular piece.
Preferably, the conducting ring and the brush bundle are made of copper.
Preferably, the front end bearing and the rear end bearing are made of ceramics.
Preferably, the cooling liquid is a liquid metal
The utility model has the advantages that: firstly, the front end and the rear end of the conductive shaft are provided with the supporting and fixing devices, so that the play of the conductive shaft in the rotation process can be eliminated, the transmission precision is ensured, the axial play of the conductive ring in the contact with the electric brush bundle can be limited, the contact stability of the conductive ring and the electric brush bundle is ensured, and the transmission stability of a slip ring signal is ensured; secondly, the conductive groove structure arranged on the rotating shaft is matched with the electric brush bundle for use, so that the generating efficiency of the generating set can be greatly improved, and the maintenance cost of the device can be greatly reduced; thirdly, fill dress coolant liquid in the axis of rotation, the coolant liquid can inhale the heat that conducting ring and brush bundle contact produced to guarantee the steady operation of equipment, compare traditional motor sliding ring structure, the utility model has the advantages of rational in infrastructure, easy to operate, rotation precision height, stable performance, maintenance cost are low, the radiating effect is good, easily uses widely.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
in the figure, 1-a shifting fork, 2-a shaft sleeve, 3-a front end bearing, 4-a shifting plate, 5-a front end cover, 6-a conductive groove, 7-conductive liquid, 8-a conductive contact piece, 9-a row barrel, 10-a brush bundle, 11-an insulating spacer ring, 12-a slip ring shell, 13-a protective cover, 14-a connecting flange, 15-a rear end bearing, 16-a rear supporting cover, 17-a conductive ring, 18-a conductive shaft, 19-cooling liquid and 20-O-type sealing rings.
Detailed Description
The following further describes the present invention with reference to the attached drawings, but the present invention is not limited in any way, and any changes or improvements based on the teaching of the present invention all belong to the protection scope of the present invention.
As shown in fig. 1, the utility model comprises a conductive shaft 18 and a slip ring housing 12, the conductive shaft 18 is a hollow shaft with two closed ends, the hollow shaft is filled with a cooling liquid 19, one end of the conductive shaft 18 is provided with a shaft sleeve 2, the shaft sleeve 2 is sleeved with a front end cover 5 through a front end bearing 3, the end part of the shaft sleeve 2 is provided with a dial plate 4, the dial plate 4 is provided with a shift fork 1, the other end of the conductive shaft 18 is provided with a rear support cover 16, the rear support cover 16 is provided with a protective cover 13 through a rear end bearing 15, the end part of the protective cover 13 is provided with a connecting flange 14, the slip ring housing 12 is arranged between the front end cover 5 and the protective cover 13 through fastening screws, the front end and the rear end of the conductive shaft 18 are provided with supporting and fixing devices, thus, play in the rotation process of the conductive shaft 18 can be eliminated, and, the electric row barrel 9 is arranged on the electric row barrel 9 through a guide rod, the electric row barrel 9 is coaxially arranged in the slip ring shell 12, an insulating spacer ring 11 is arranged between two adjacent conductive rings 17, at least 2 conductive grooves 6 are arranged on the slip ring shell 12 between the front end cover 5 and the conductive ring 17 closest to the front end cover 5 at intervals, the conductive grooves 6 are of a hollow structure, an insulating layer is arranged on the outer wall of each conductive groove 6, and conductive liquid 7 is filled in each conductive groove 6, the conductive shaft 18 is provided with a conductive contact piece 8 which extends into the conductive groove 6 and is contacted with the conductive liquid 7.
In the utility model, the shifting fork 1 is used for connecting with the rotor of the wind driven generator, because the rotor of the wind driven generator shifts the shifting fork 1 to drive the conductive shaft 18 to rotate, the connecting flange 14 is used for connecting with the stator of the wind driven generator, when the rotor of the generator rotates, the conductive shaft 18 rotates, the conductive contact piece 8 can not rub with the conductive groove 6 when rotating along with the conductive shaft 18, when transmitting the electric signal to the output end, the abrasion phenomenon of the conductive shaft 18 can be reduced, and when the conductive shaft 18 rotates, the brush bundle 10 is fixed, the brush bundle 10 and the conductive ring 17 rotate relatively, the electric signal can be transmitted from the input end to the output end through the brush wire 10, the conductive contact piece 8 is used in cooperation with the brush bundle 10, the generating efficiency of the generating set can be greatly improved, thereby the maintenance cost of the device can be greatly reduced, and in the process of the rotation of the conductive shaft, the cooling fluid 19 is able to absorb heat generated by the conductive ring 17 in contact with the brush bundle 10 to ensure stable operation of the apparatus.
Furthermore, the surfaces of the brush bundle 10 and the conductive ring 17 are provided with conductive lubricating grease layers, so that the wear of the brush bundle 10 and the conductive ring 17 can be reduced, the service lives of the brush bundle 10 and the conductive ring 17 can be prolonged, the replacement frequency of the brush bundle 10 and the conductive ring 17 can be reduced, and the production cost can be effectively saved.
In order to further ensure the rotation seal of the electric conduction shaft 18, O-ring seals 20 are installed between the electric conduction shaft 18 and the shaft sleeve 2, and between the electric conduction shaft 18 and the rear support cover 16.
Preferably, the conductive liquid 7 is mercury, electrolyte solution and liquid metal, and the mercury not only can conduct electricity, but also has stable performance and cannot generate corrosion action on the conductive groove 6 and the conductive contact piece 8; the electrolyte solution adopts the electrolyte solution with electronic conductivity, adopts liquid metal as a conductive medium, and has the advantages of no toxicity, difficult volatilization, high safety, strong conductivity, small thermal expansion coefficient and stable performance.
Further, the conductive contact piece 8 is an annular piece, the contact area of the annular piece is large, and the conductive contact piece 8 can be always in conductive connection with the conductive groove 6 through the conductive liquid 7 in the rotating process of the conductive contact piece 8 along with the rotation of the conductive shaft 18.
To ensure good electrical conductivity, the conductive ring 17 and brush bundle 10 are preferably made of copper.
Preferably, the front end bearing 3 and the rear end bearing 155 are made of ceramic, the ceramic can greatly reduce the magnetic flux of the slip ring, the service life requirement required by non-magnetic equipment can be met, and the replacement is not needed in midway.
Preferably, the cooling liquid 19 is liquid metal, and firstly, the liquid metal is in a liquid state at normal temperature, has a high boiling point, is not easy to volatilize, and is non-toxic and environment-friendly; and secondly, the liquid metal is a material with the best electrical conductivity and thermal conductivity in the liquid, has good fluidity and lubricating property, small and stable contact resistance, is not easy to wear, and prolongs the service life.
Claims (8)
1. The utility model provides an integrated form high accuracy fan unit sliding ring, includes conductive shaft (18) and sliding ring casing (12), its characterized in that: the conductive shaft (18) is a hollow shaft with two closed ends, a cooling liquid (19) is filled in the hollow shaft, the shaft sleeve (2) is installed at one end of the conductive shaft (18), the front end cover (5) is sleeved on the shaft sleeve (2) through the front end bearing (3), the poking plate (4) is installed at the end part of the shaft sleeve (2), the poking plate (4) is provided with the poking fork (1), the other end of the conductive shaft (18) is provided with the rear supporting cover (16), the rear supporting cover (16) is provided with the protective cover (13) through the rear end bearing (15),
the end part of the protective cover (13) is provided with a connecting flange (14), the slip ring shell (12) is arranged between the front end cover (5) and the protective cover (13) through fastening screws, the conductive shaft (18) is provided with a plurality of conductive rings (17) at equal intervals, the surface of each conductive ring (17) is provided with a plurality of arc grooves which are sunken downwards, each arc groove is provided with an arc-shaped brush bundle (10) in a sliding manner, the brush bundles (10) are arranged on the electric row barrel body (9) through a guide rod, the electric row barrel body (9) is coaxially arranged in the slip ring shell (12), an insulating spacer ring (11) is arranged between two adjacent conductive rings (17), at least 2 conductive grooves (6) are arranged on the slip ring shell (12) between the front end cover (5) and the conductive ring (17) nearest to the front end cover (5) at intervals, the interiors of the conductive grooves (6) are of a hollow structure, and the outer wall of each conductive groove (6) is provided with an insulating layer, conductive liquid (7) is filled in each conductive groove (6), and a conductive contact piece (8) which extends into each conductive groove (6) and is contacted with the conductive liquid (7) is arranged on each conductive shaft (18).
2. The integrated high-precision fan unit slip ring of claim 1, wherein: and the surfaces of the electric brush bundle (10) and the conductive ring (17) are provided with conductive lubricating grease layers.
3. The integrated high-precision fan unit slip ring of claim 1, wherein: o-shaped sealing rings (20) are respectively arranged between the conductive shaft (18) and the shaft sleeve (2) and between the conductive shaft (18) and the rear supporting cover (16).
4. The integrated high-precision fan unit slip ring of claim 1, wherein: the conductive liquid (7) is mercury, an electrolyte solution or liquid metal.
5. The integrated high-precision fan unit slip ring of claim 1, wherein: the conductive contact piece (8) is an annular piece.
6. The integrated high-precision fan unit slip ring of claim 1, wherein: the conducting ring (17) and the electric brush bundle (10) are made of metal copper.
7. The integrated high-precision fan unit slip ring of claim 1, wherein: the front end bearing (3) and the rear end bearing (15) are made of ceramics.
8. The integrated high-precision fan unit slip ring of claim 1, wherein: the cooling liquid (19) is liquid metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607043.4U CN209823060U (en) | 2019-04-29 | 2019-04-29 | Integrated form high accuracy fan unit sliding ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607043.4U CN209823060U (en) | 2019-04-29 | 2019-04-29 | Integrated form high accuracy fan unit sliding ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209823060U true CN209823060U (en) | 2019-12-20 |
Family
ID=68882160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920607043.4U Expired - Fee Related CN209823060U (en) | 2019-04-29 | 2019-04-29 | Integrated form high accuracy fan unit sliding ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209823060U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478142A (en) * | 2020-03-12 | 2020-07-31 | 上海交通大学 | Method for improving assembly precision of conductive slip ring |
| CN113363781A (en) * | 2021-06-01 | 2021-09-07 | 四川大学 | Novel disconnect-type little electric slip ring |
| CN113745870A (en) * | 2021-08-24 | 2021-12-03 | 西安交通大学 | Center current-carrying guide rod and high-voltage power transmission equipment |
| CN115064914A (en) * | 2022-07-22 | 2022-09-16 | 海外远景(北京)科技有限公司 | Disc type wind power generation variable pitch slip ring |
-
2019
- 2019-04-29 CN CN201920607043.4U patent/CN209823060U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111478142A (en) * | 2020-03-12 | 2020-07-31 | 上海交通大学 | Method for improving assembly precision of conductive slip ring |
| CN113363781A (en) * | 2021-06-01 | 2021-09-07 | 四川大学 | Novel disconnect-type little electric slip ring |
| CN113745870A (en) * | 2021-08-24 | 2021-12-03 | 西安交通大学 | Center current-carrying guide rod and high-voltage power transmission equipment |
| CN113745870B (en) * | 2021-08-24 | 2022-10-25 | 西安交通大学 | Center current-carrying guide rod and high-voltage power transmission equipment |
| CN115064914A (en) * | 2022-07-22 | 2022-09-16 | 海外远景(北京)科技有限公司 | Disc type wind power generation variable pitch slip ring |
| CN115064914B (en) * | 2022-07-22 | 2022-11-22 | 海外远景(北京)科技有限公司 | Disc type wind power generation variable pitch slip ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 Termination date: 20200429 |