CN108923216A - Oily electric slip ring - Google Patents
Oily electric slip ring Download PDFInfo
- Publication number
- CN108923216A CN108923216A CN201810700492.3A CN201810700492A CN108923216A CN 108923216 A CN108923216 A CN 108923216A CN 201810700492 A CN201810700492 A CN 201810700492A CN 108923216 A CN108923216 A CN 108923216A
- Authority
- CN
- China
- Prior art keywords
- slip ring
- electric slip
- oily
- oil
- oily electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
Abstract
The present invention relates to oily electric slip ring technical field more particularly to a kind of oily electric slip rings.It includes：Oily electric slip ring rotor and oily electric slip ring stator, what oily electric slip ring rotor can rotate is connected to oily electric slip ring stator；Rotary joint is connected to oily electric slip ring rotor, and interconnected oil outlet and fuel feed hole are provided on rotary joint and is passed through for lubricating oil and oil return hole；Encoder is connected to the oily one end of electric slip ring stator far from rotary joint, and encoder is for detecting wheel speed.Oil electric slip ring provided by the invention, rotary joint can be realized the transmission of liquid, and due to being provided with encoder, which is able to detect wheel speed and position and the revolving speed is passed to pitch-controlled system.Oily electric slip ring rotor is connect with rotary joint, be can be realized electric signal transmission in the process while being met the transmission of multi-path fluid, while can also detect wheel speed and position and the wheel speed signal is passed to pitch-controlled system.
Description
Technical field
The present invention relates to oily electric slip ring technical field more particularly to a kind of oily electric slip rings.
Background technique
Oily electric slip ring is a kind of common electric installation, is applied to various fields, is to realize two opposite rotations
The electric device for component power, signal and the data interrupted transmission precision of making a connection.
In wind power generating set, electric slip ring carries the transmission of the power, information and data of entire wind power generating set,
It is the master control system and pitch-controlled system very critical component for connecting wind power generating set, still, the electricity occurred in the prior art is sliding
Ring function is more single, can only transmit common electric signal.
It is, therefore, desirable to provide it is a kind of oil electric slip ring, be able to solve electric slip ring in the prior art have a single function, can only transmit it is general
Logical electric signal problem.
Summary of the invention
It is an object of the invention to propose a kind of oily electric slip ring, the oil electric slip ring can be made to transmit common electric energy and liquid
The relevant informations such as revolving speed and the position of impeller are detected simultaneously.
For this purpose, the present invention uses following technical scheme：
A kind of oily electric slip ring is provided, including：
Oily electric slip ring rotor and oily electric slip ring stator, it is sliding that the oil electric slip ring rotor can rotate is connected to the oil electricity
Ring stator；
Rotary joint, is connected to the oily electric slip ring rotor, and the rotary joint is transmitted for liquid；
Encoder, is connected to the described one end of oily electric slip ring stator far from the rotary joint, and the encoder is used for
Detect wheel speed.
Preferably, the oil electric slip ring stator includes collector ring and oily electric slip ring stator casing, the core of the collector ring
Axis is set in the chamber that the oily electric slip ring stator casing is formed and is rotatablely connected with the oily electric slip ring stator casing.
Preferably, being additionally provided with cavity seal circle and metal partion (metp), the chamber in the oil electric slip ring stator casing
The chamber that the oily electric slip ring stator casing is formed is divided into first chamber and second chamber by sealing ring and the metal partion (metp).
Preferably, the cavity seal circle is V-shaped seal ring.
Preferably, the dynamic carbon brush holder of setting, the power carbon brush holder are set in the current collection in the first chamber
On ring.
Preferably, being provided with signal carbon brush holder in the second chamber, the signal carbon brush holder is set in the current collection
On ring.
Preferably, further including close to switch and code-disc, it is close that the close switch is set to the oily electric slip ring rotor
One end of the oil electric slip ring stator, the code-disc are connected to the oily electric slip ring stator casing close to the oily electric slip ring rotor
One end.
Preferably, the encoder is connected to the collector ring by shaft coupling.
Preferably, the rotary joint includes rotary shaft and joint shell, the rotary shaft is located at the joint shell
Chamber in, and the rotary shaft and the joint shell are rotatablely connected, and are also set between the rotary shaft and the joint shell
It is equipped with axis rotation combination sealing ring and lip-type packing, the rotating shaft surface is coated with ceramic layer.
Preferably, the oil electric slip ring rotor is provided with rotor heavy-duty connector, it is fixed to be provided on the stator casing
Sub- heavy-duty connector.
Beneficial effect of the present invention：
Oil electric slip ring provided by the invention, rotary joint can be realized the transmission of liquid (lubricating oil or gear oil), due to
It is provided with encoder, encoder is able to detect wheel speed and position.Oily electric slip ring rotor is connect with rotary joint, can be realized
Meet the transmission of multi-path fluid simultaneously during electric signal transmission, while wheel speed and position can also be detected and by the impeller
Tach signal passes to pitch-controlled system.
Stator chamber is divided into first chamber and second chamber, Neng Goufang by metal partion (metp) and sealing ring provided in the present invention
Only the carbon dust in first chamber enters in second chamber, and then not will cause the signal interference in second chamber.Metal partion (metp) energy
Electromagnetic interference is enough shielded, prevents the power path formed in first chamber and the communication channel of formation in second chamber mutually dry
It disturbs.
Rotating shaft surface is coated with ceramic layer, can reduce lip-type packing and the friction of rotary shaft, extends lip packing
The service life of circle and rotary shaft.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of oily electric slip ring provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional view for the oily electric slip ring that Fig. 1 is provided；
Fig. 3 is the structural schematic diagram that oily electric slip ring conceals rotary joint；
Fig. 4 is the structural schematic diagram of rotary joint；
Fig. 5 is the cross-sectional view for the rotary joint that Fig. 4 is provided；
Fig. 6 is the side view for the rotary joint that Fig. 4 is provided.
In figure：
1, oily electric slip ring rotor；2, oily electric slip ring stator；3, rotary joint；4, encoder；5, close to switch；6, shaft coupling
Device；7, rotor heavy-duty connector；8, stator heavy-duty connector；9, code-disc；
21, collector ring；22, oily electric slip ring stator casing；221, first chamber；222, second chamber；23, metal partion (metp)；
24, cavity seal circle；25, power carbon brush holder；26；Signal carbon brush holder；27, first bearing；28, second bearing；
31, rotary shaft；311, oil outlet；312, oil return hole；313, rotation stop hole；314, outlet hole；32, joint shell；
321, fuel feed hole；33, axis rotation combination sealing ring；34, lip-type packing；35,3rd bearing；36, fourth bearing；37, tail
Lid；38, outer tube；39, O-ring seal.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and by specific
Embodiment to further illustrate the technical scheme of the present invention.
Provide a kind of oily electric slip ring in the present embodiment, this kind oil electric slip ring can be realized simultaneous transmission electric energy, signal and
Lubricating oil and detection wheel speed signal, position to pitch-controlled system.As shown in Figure 1, the oil electric slip ring specifically includes：Oily electricity is sliding
Rotor 1, oily electric slip ring stator 2, rotary joint 3, encoder 4 and close switch 5.Wherein oily electric slip ring rotor 1 and oil electricity are sliding
The rotation connection of ring stator 2 enables oily electric slip ring rotor 1 rotate relative to oily electric slip ring stator 2, rotary joint 3 by flange and
Oily electric slip ring rotor 1 connects, and encoder 4 is then connect with oily electric slip ring stator 2 far from one end of rotary joint 3, i.e. rotation connects
First 3 and encoder 4 be oppositely arranged.
Interconnected oil outlet 311 and fuel feed hole 321 (with reference to Fig. 5) are provided on rotary joint 3, wherein for lubrication
Oil passes through, to realize that the oil electric slip ring transmits liquid, above-mentioned transmission liquid is then by 311 connection gear case rows star of oil outlet
Lubricating pipe, the fuel feed hole 321 of frame connect the fuel tank in cabin elbow and realize；When installation, oil electric slip ring entirety and wind in wind
Motor crew compartment gearbox output shaft is connected, and is connected particular by rotary joint 3 with the slow-speed shaft of gear-box, to make the oil
The oily electric slip ring rotor 1 of electric slip ring can be rotated with slow-speed shaft, and rotation direction is consistent with wheel rotation direction.Oily electric slip ring turns
Son 1 is provided with oily electric slip ring rotor heavy-duty connector 7, and oily electric slip ring stator heavy duty is provided on oily electric slip ring stator casing 22 and is connected
Connect device 8.
The oily electric slip ring provided in the present embodiment, rotary joint 3 can be realized the transmission of liquid (i.e. lubricating oil), due to setting
It is equipped with encoder 4, encoder 4 is able to detect wheel speed and position.Oily electric slip ring rotor 1 is connect with rotary joint 3, Neng Goushi
Meet the transmission of multi-path fluid simultaneously during existing electric signal transmission, while wheel speed and position can not only be detected, moreover it is possible to
It enough detects wheel speed signal and wheel speed is transferred to pitch-controlled system.
As shown in Figures 2 and 3, above-mentioned oily electric slip ring stator 2 includes collector ring 21 and oily electric slip ring stator casing 22, current collection
The mandrel of ring 21 is set in the chamber that oily electric slip ring stator casing 22 is formed and is rotatablely connected with oily electric slip ring stator casing 22.
Wherein first bearing 27, the mandrel and first bearing of collector ring 21 are provided between collector ring 21 and oily electric slip ring stator casing 22
27 inner ring connection, oily electric slip ring stator casing 22 are connect with the outer ring of first bearing 27, to guarantee collector ring 21 and oil electricity
Slip ring stator casing 22 is rotatablely connected, and mandrel one end of collector ring 21 passes through first bearing 27 and fixed with rotor by screw
Connection, the other end of the mandrel of collector ring 21 then pass through bracket 211 and realize and oily electric slip ring stator casing across second bearing 28
22 rotation connection, when the rotation of oily electric slip ring rotor 1, collector ring 21 is also rotated together with the oil electric slip ring rotor 1.
As shown in figure 3, being additionally provided with cavity seal circle 24 and metal partion (metp) 23 in the oil electric slip ring stator casing 22, seal
The chamber that oily electric slip ring stator casing 22 is formed is divided into first chamber 221 and second chamber 222 by circle and metal partion (metp) 23.Tool
Body, above-mentioned cavity seal circle 24 and metal partion (metp) 23 are set on the mandrel of collector ring 21, so that collector ring 21 is separated into
Two parts, a part are located in first chamber 221, and rest part is then located in second chamber 222.Setting in first chamber 221
Dynamic carbon brush holder 25, power carbon brush holder 25 are arranged on collector ring 21.Signal carbon brush holder 26 is provided in second chamber 222,
Signal carbon brush holder 26 is arranged on collector ring 21.Since cavity seal circle 24 and metal partion (metp) 23 are by oily electric slip ring stator casing 22
The chamber of formation is divided into first chamber 221 and second chamber 222, the carbon in oil electric slip ring work, in first chamber 221
Powder will not enter in second chamber 222, and then not will cause the signal interference in second chamber 222, while 23 energy of metal partion (metp)
Electromagnetic interference is enough shielded, it is preventing the power path formed in first chamber 221 with communication channel that is being formed in second chamber 222
It interferes with each other.
Above-mentioned cavity seal circle 24 is V-shaped seal ring.The cavity seal circle 24 is set on the mandrel of collector ring 21, metal
Partition 23 is abutted with the cavity seal circle 24 close to the side of second chamber 222, for cooperating with metal partion (metp) 23, is further prevented
Blocking powder enters in second chamber 222 from first chamber 221.
The oil electric slip ring further includes approaching switch 5 and code-disc 9, is set to oily electric slip ring rotor 1 close to oil electricity close to switch 5
One end of slip ring stator 2, code-disc 9 are connected to oily electric slip ring stator casing 22 close to one end of oily electric slip ring rotor 1.Code-disc 9 with
Cooperate close to switch 5 for detecting wheel speed signal and the wheel speed signal that will test passes to pitch-controlled system.Wherein,
It is provided with multiple detection holes on code-disc 9, is 1mm at a distance from code-disc 9 close to switch 5, it is non-when rotating to code-disc 9 close to switch 5
It when detecting bore region, is blocked close to switch 5 by code-disc 9, close to 5 feedback pulse signal of switch.
Above-mentioned encoder 4 is connected to collector ring 21 by shaft coupling 6.Specifically, above-mentioned encoder 4 includes encoder rotor
With encoder stator, collector ring 21 is connected with 6 one end of shaft coupling, and encoder rotor is connect with the other end of shaft coupling 6, coding
Device stator is fixed on the tail end of oily electric slip ring stator casing 22.And the cable of the rotor heavy-duty connector 7 in oily electric slip ring rotor 1
Threading hole across rotary joint 3 is connected with electrical cabinet in wind-powered machine unit hub, stator heavy-duty connector 8 and wind-driven generator machine
The electrical cabinet in cabin is connected.
As Figure 4-Figure 6, above-mentioned rotary joint 3 includes rotary shaft 31 and joint shell 32, and rotary shaft 31 is located at outside connector
In the chamber of shell 32, it is provided with fuel feed hole 321 in joint shell 32, oil outlet 311, oil outlet 311 are provided in rotary shaft 31
Joint shell 32 can be connected to rotary shaft 31 with fuel feed hole 321, and rotary shaft 31 and joint shell 32 pass through 3rd bearing
35 and fourth bearing 36 be rotatablely connected, lip-type packing 34 is additionally provided between rotary shaft 31 and joint shell 32, wherein third
Bearing 35 is provided with a lip-type packing 34 far from the side of fourth bearing 36, fourth bearing 36 far from 3rd bearing 35 one
Side is provided with a lip-type packing 34, and 31 surface of rotary shaft is coated with ceramic layer.Wherein also set up in above-mentioned joint shell 32
There are two 313, one, rotation stop hole oil return hole 312, two outlet holes 314 are set in rotary shaft 31, outlet hole 314 is along the rotary shaft
31 axial settings；Oil return hole 312 prolongs 32 radial direction of joint shell setting, and rotary shaft 31 is set far from one end of joint shell 32
It is equipped with outer tube 38, and shell 32 is provided with tail-hood 37 close to one end of rotor 1.O is provided between tail-hood 37 and joint shell 32
Type sealing ring 39, O-ring seal 39 are that tail-hood 37 and joint shell 32 seal, and prevent lubricating oil from revealing.In joint shell 32
The fuel feed hole 321 of setting is arranged to 311 one end of oil outlet, guarantees that fuel feed hole 321 is connected to oil outlet 311.
Rotary joint 3 is combined using two kinds of sealing means of contact seal and slit seal in the present embodiment.It can also
To think rotary joint 3 using rotation two kinds of sealing means of primary seal and auxiliary seal；Wherein, rotation primary seal is revolved using axis
Turn the sealing of combined seal ring 33 and clearance seal, auxiliary seal are sealed using lip-type packing 34；And clearance seal refers to connector
High pressure oil film, which is generated, there are gap between shell 32 and rotary shaft 31, in gap realizes sealing；When joint shell 32 and rotary shaft
31 are required to Precision Machining acquisition, the gap 0.02-0.03mm are kept between two parts, since lesser gap passes through high pressure
When oily, high pressure oil film seal realizes sealing fluid pressure oil；0.02-0.03mm clearance seal, it can be ensured that rotary joint 3 is long-term without reason
Barrier operating.Rotary shaft 31 and 34 surface of lip-type packing are by high-frequency quenching processing and ceramic coated technique, finally by fine grinding
It processes and obtains；By testing the surface it is found that ceramic coated lip-type packing 34 and rotary shaft 31, by millions of turns,
Surface loss is substantially zeroed.Due to the technique ceramic coated using surface of rotary shaft 31, wear-resistant in rotary course, Jin Erbao
The service life for demonstrate,proving the oil electric slip ring entirety extends.
Note that the above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The industry
Technical staff it should be appreciated that the present invention is not limited to the embodiments described above, described in above embodiment and specification
Merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention, the present invention also have various change and
It improves, these changes and improvements all fall within the protetion scope of the claimed invention, and claimed range of the invention is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of oil electric slip ring, which is characterized in that including：
Oily electric slip ring rotor (1) and oily electric slip ring stator (2), what the oil electric slip ring rotor (1) can rotate is connected to described
Oily electric slip ring stator (2)；
Rotary joint (3), is connected to the oily electric slip ring rotor (1), and the rotary joint (3) is transmitted for liquid；
Encoder (4) is connected to the described oily one end of electric slip ring stator (2) far from the rotary joint (3), the encoder
(4) for detecting wheel speed.
2. oil electric slip ring according to claim 1, the oil electric slip ring stator (2) includes collector ring (21) and oily electric slip ring
Stator casing (22), the mandrel of the collector ring (21) are set in the chamber that the oily electric slip ring stator casing (22) is formed simultaneously
It is rotatablely connected with the oily electric slip ring stator casing (22).
3. oil electric slip ring according to claim 2, the oil electric slip ring stator casing (22) is interior to be additionally provided with cavity seal
Enclosing (24) and metal partion (metp) (23), the cavity seal circle (24) and the metal partion (metp) (23) will be outside the oily electric slip ring stator
The chamber that shell (22) is formed is divided into first chamber (221) and second chamber (222).
4. oil electric slip ring according to claim 3, the cavity seal circle (24) are V-shaped seal ring.
5. oil electric slip ring according to claim 3, the interior dynamic carbon brush holder (25) of setting of the first chamber (221), institute
Power carbon brush holder (25) is stated to be set on the collector ring (21).
6. oil electric slip ring according to claim 3, the second chamber (222) is interior to be provided with signal carbon brush holder (26), institute
Signal carbon brush holder (26) is stated to be set on the collector ring (21).
7. oil electric slip ring according to claim 2, further includes approaching switch (5) and code-disc (9), described close to switch (5)
The oily electric slip ring rotor (1) is set to close to one end of the oily electric slip ring stator (2), the code-disc (9) is connected to described
Oily electric slip ring stator casing (22) is close to one end of the oily electric slip ring rotor (1).
8. oil electric slip ring according to claim 2, the encoder (4) are connected to the collector ring by shaft coupling (6)
(21)。
9. the rotary joint (3) includes rotary shaft (31) and connector according to claim 2-8 described in any item oily electric slip rings
Shell (32), the rotary shaft (31) is located in the chamber of the joint shell (32), and the rotary shaft (31) connects with described
Head shell (32) is rotatablely connected, and it is close to be additionally provided with axis rotation combination between the rotary shaft (31) and the joint shell (32)
Seal (33) and lip-type packing (34), rotary shaft (31) surface are coated with ceramic layer.
10. oil electric slip ring according to claim 9, the oil electric slip ring rotor (1) are provided with rotor heavy-duty connector
(7), stator heavy-duty connector (8) are provided on the oily electric slip ring stator casing (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700492.3A CN108923216A (en) | 2018-06-29 | 2018-06-29 | Oily electric slip ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810700492.3A CN108923216A (en) | 2018-06-29 | 2018-06-29 | Oily electric slip ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108923216A true CN108923216A (en) | 2018-11-30 |
Family
ID=64422488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810700492.3A Pending CN108923216A (en) | 2018-06-29 | 2018-06-29 | Oily electric slip ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108923216A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151638A (en) * | 2021-10-18 | 2022-03-08 | 太原重工股份有限公司 | Coupling device with medium connecting and disconnecting function |
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|---|---|---|---|---|
| CN102278552A (en) * | 2010-06-10 | 2011-12-14 | 江苏鼎晟液压有限公司 | Multifunctional center rotary joint |
| CN203813610U (en) * | 2014-05-13 | 2014-09-03 | 前路集团私人有限公司 | Variable-pitch electrical slip ring device of wind turbine |
| CN204497537U (en) * | 2015-04-24 | 2015-07-22 | 永济市凯瑞电控设备制造有限公司 | The automobile-used high-low pressure collector ring of power shovel |
| CN105990781A (en) * | 2015-01-30 | 2016-10-05 | 杭州驰宏科技有限公司 | Wind-power precise conductive slip ring |
| CN107204687A (en) * | 2017-07-24 | 2017-09-26 | 桂林航天工业学院 | A kind of rotating mechanism |
| CN207442151U (en) * | 2017-11-20 | 2018-06-01 | 深圳市晶沛电子有限公司 | A kind of motor sliding ring |
| CN208368904U (en) * | 2018-06-29 | 2019-01-11 | 摩腾科技（上海）有限公司 | Oily electric slip ring |
| CN209856585U (en) * | 2019-04-09 | 2019-12-27 | 深圳市森瑞普电子有限公司 | Multi-channel gas-electric-liquid rotating slip ring |
-
2018
- 2018-06-29 CN CN201810700492.3A patent/CN108923216A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102278552A (en) * | 2010-06-10 | 2011-12-14 | 江苏鼎晟液压有限公司 | Multifunctional center rotary joint |
| CN203813610U (en) * | 2014-05-13 | 2014-09-03 | 前路集团私人有限公司 | Variable-pitch electrical slip ring device of wind turbine |
| CN105990781A (en) * | 2015-01-30 | 2016-10-05 | 杭州驰宏科技有限公司 | Wind-power precise conductive slip ring |
| CN204497537U (en) * | 2015-04-24 | 2015-07-22 | 永济市凯瑞电控设备制造有限公司 | The automobile-used high-low pressure collector ring of power shovel |
| CN107204687A (en) * | 2017-07-24 | 2017-09-26 | 桂林航天工业学院 | A kind of rotating mechanism |
| CN207442151U (en) * | 2017-11-20 | 2018-06-01 | 深圳市晶沛电子有限公司 | A kind of motor sliding ring |
| CN208368904U (en) * | 2018-06-29 | 2019-01-11 | 摩腾科技（上海）有限公司 | Oily electric slip ring |
| CN209856585U (en) * | 2019-04-09 | 2019-12-27 | 深圳市森瑞普电子有限公司 | Multi-channel gas-electric-liquid rotating slip ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151638A (en) * | 2021-10-18 | 2022-03-08 | 太原重工股份有限公司 | Coupling device with medium connecting and disconnecting function |
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