CN203260880U - Ring-type current collector - Google Patents
Ring-type current collector Download PDFInfo
- Publication number
- CN203260880U CN203260880U CN 201220708757 CN201220708757U CN203260880U CN 203260880 U CN203260880 U CN 203260880U CN 201220708757 CN201220708757 CN 201220708757 CN 201220708757 U CN201220708757 U CN 201220708757U CN 203260880 U CN203260880 U CN 203260880U
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- CN
- China
- Prior art keywords
- brush
- slip ring
- concentric
- dish
- ring
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a ring-type current collector, comprising a slip ring plate, concentric slip rings, brushes, holddown springs, rubber vibration insulators, a brush plate, a rotor shaft, and an insulating material. The slip ring plate and the brush plate are in a disk shape, and are disposed parallelly on an axial direction at interval. The slip ring plate and the brush plate are coaxially fixed on the rotor shaft. The slip ring plate is fixed on the rotor shaft through the sticky insulating material. The slip ring plate is provided with the concentric slip rings on a side opposite to the brush plate. The brush plate is fixed on a motor housing, and is provided with the brushes relative to the slip ring plate. The concentric slip rings are formed by three concentric annular slip rings. The brushes and the concentric slip rings are disposed oppositely, and the brushes are installed on the brush plate through the holddown springs and the rubber vibration insulator, wherein the rubber vibration insulators are disposed between the holddown springs and the concentric slip rings. Through optimal design of structure of the slip rings and the brushes, axial dimensions and overall volume of the motor are reduced.
Description
Technical field
The utility model relates to a kind of Electical connector, is specifically related to a kind of ring type current-collector, is mainly used in the machine field with three-phase rotation winding.
Technical background
Motor is power set indispensable in the industrial production, and it is just towards lightweight, small size, low noise, high power density future development.Used current-collector is the long so-called drum-type current-collector of axial dimension mostly in the brush motor at present, and this current-collector axial occupation space is larger.Though occurred a kind of disc type collector now, it is mainly used in the transmission of the lower occasion of working speed requirement such as revolving door, The Cloud Terrace and some signal, and does not obtain suitable application on high-speed electric expreess locomotive owing to reasons such as wearing and tearing and heatings.
The related Novel current collector outward appearance of the utility model is similar to dish type, and axial dimension is less, can effectively reduce motor axial length and overall volume.
The utility model content:
The purpose of this utility model is to overcome the technology short slab of existing current-collector, reduces axial dimension and the overall volume of motor.The main method of dealing with problems is the structure by optimal design slip ring and brush, and choose reasonable brush, slip ring and insulating material provide a kind of novel ring type current-collector that can be used widely at high-speed electric expreess locomotive.
In order to realize above-mentioned utility model purpose, the utility model has adopted following technical scheme:
A kind of ring type current-collector comprises slip ring dish, concentric slip ring, brush, holddown spring, vibration-proof rubber, brush dish, armature spindle and insulating material; Slip ring dish and brush dish are discoid, parallel and axially spaced-apart setting, coaxial being installed on the armature spindle; The slip ring dish is fixed on the armature spindle by the viscosity insulating material, and the slip ring dish is furnished with concentric slip ring with respect to brush dish one side, and the brush dish is fixed on the motor casing, and the brush dish is with respect to being furnished with brush on the slip ring dish; Concentric slip ring comprises the first concentric slip ring, the second concentric slip ring and the 3rd concentric slip ring, and the first concentric slip ring, the second concentric slip ring and the 3rd concentric slip ring form three road concentric circless annular slip rings along the radially from outside to inside interval setting of slip ring dish; Brush comprises the first brush, the second brush and third brush; The first brush, the second brush and third brush arrange at the interval from outside to inside along the brush disc radial, be oppositely arranged with the first concentric slip ring, the second concentric slip ring and the 3rd concentric slip ring, the first brush, the second brush and third brush all are installed on the brush dish by holddown spring and vibration-proof rubber, and wherein vibration-proof rubber is between holddown spring and concentric slip ring.
For further realizing the utility model purpose, the contact-making surface of described brush and slip ring is circular arc.
Described slip ring adopts the Au90-Cu10 preparation.
Described brush preferably adopts silver-based composite material AgCuSnC preparation.
Described insulating material is preferably selected bisphenol A type epoxy resin.
Described brush dish preferably is bolted on the motor casing.
Described the first brush, the second brush and third brush preferably respectively are a pair of, and every a pair of center of circle about the brush dish is arranged symmetrically with.
Described the first concentric slip ring, the second concentric slip ring and the 3rd concentric slip ring are along the radially from outside to inside interval setting of slip ring dish, and the interval is provided with insulating material.
The beneficial effect that the utility model produces has:
1, in the utility model, brush adopts metallic composite, and slip ring adopts copper base or silver-based composite material, can reduce frictional resistance, reduction wearing and tearing between brush and the slip ring, reduces the generation of electric arc, improves the useful life of brush and slip ring;
2, in the utility model, insulating barrier adopts high insulation highly corrosion resistant, high viscosity material, in the insulating properties that improves between the slip ring, can make between the concentric circles slip ring the position firmly and can bear larger centrifugal force;
3, slip ring adopts the concentric-ring pattern structure, and axial dimension is less, and compact conformation can effectively reduce motor axial length and volume;
4, between flexible member and brush vibration-proof rubber is housed, spring force is uniformly applied to brush by rubber, is conducive to the contact that keeps suitable between brush and the slip ring, reduces electric spark, improves Service Life of Carbon Brush;
5, the annulus contact is adopted in the contact between brush and the slip ring, has increased contact area, and efficiently solving motor rotation is the large problem of noise and electric spark, reduces noise of motor, has improved Service Life of Carbon Brush;
6, radially be arranged symmetrically with two brushes in the per pass ring, guarantee to conduct electricity when improving the collector ring functional reliability, concentric circles collector ring dynamic balancing raising, vibration are reduced.
Description of drawings
Fig. 1 is the main cross-sectional schematic of the utility model concentric-ring pattern current-collector;
Fig. 2 is the front view of left brush dish;
Fig. 3 is the front view of right slip ring dish;
Fig. 4 is concentric-ring pattern current-collector scheme of installation of the present utility model.
Embodiment
For understanding better the utility model, below in conjunction with drawings and embodiments the utility model is further described, but execution mode of the present utility model is not limit so.
Shown in Fig. 1-4, a kind of ring type current-collector comprises slip ring dish 1, concentric slip ring 2, brush 3, holddown spring 4, vibration-proof rubber 5, brush dish 6, armature spindle 7 and insulating material 8; Slip ring dish 1 is discoid with brush dish 6, parallel and axially spaced-apart setting, coaxial being installed on the armature spindle 7; Slip ring dish 1 is fixed on the armature spindle 7 by viscosity insulating material 8, and slip ring dish 1 is furnished with concentric slip ring 2 with respect to brush dish 6 one sides, and brush dish 6 is bolted on the motor casing, and brush dish 6 is with respect to being furnished with brush 3 on the slip ring dish 1; Concentric slip ring 2 comprises the first concentric slip ring 2-1, the second concentric slip ring 2-2 and the 3rd concentric slip ring 2-3, the first concentric slip ring 2-1, the second concentric slip ring 2-2 and the 3rd concentric slip ring 2-3 are along the radially from outside to inside interval setting of slip ring dish 1, the interval is provided with insulating material 8, forms three road concentric circles annular slip rings; Brush 3 comprises the first brush 3-1, the second brush 3-2 and third brush 3-3; The first brush 3-1, the second brush 3-2 and third brush 3-3 are preferably a pair of, every a pair ofly all be arranged symmetrically with about the center of circle of brush dish 6; The first brush 3-1, the second brush 3-2 and third brush 3-3 are along radially from outside to inside interval setting of brush dish 6, be oppositely arranged with the first concentric slip ring 2-1, the second concentric slip ring 2-2 and the 3rd concentric slip ring 2-3, the first brush 3-1, the second brush 3-2 and third brush 3-3 are installed on the brush dish 6 by holddown spring 4 and vibration-proof rubber 5, make to keep suitable contact between brush 3 and the slip ring 2, and make the spring pressure even transition by vibration proof rubber 5.The first brush 3-1, the second brush 3-2 are connected with third brush 3-3 and the first concentric slip ring 2-1, the second concentric slip ring 2-2 and the corresponding connection of the 3rd concentric slip ring 2-3.The contact-making surface of brush 3 and slip ring 2 is preferably circular arc; By the pressure of default holddown spring, control slip ring contact increases progressively from inside to outside successively.
The utility model is for guaranteeing that this current-collector can move safely and reliably, and slip ring dish 1 is made by insulating material, and it is the concentric slip ring 2 that material is made that its surface studs with by copper base good conductor; Be spaced from each other between the concentric slip ring 2 in case produce electric spark; Brush 3 is installed on the brush dish 6, makes brush be close to the surface of concentric slip ring 2 by holddown spring 4 and vibration-proof rubber 5; Brush 3 contacts with concentric slip ring 2 generation faces, and during work, foreign current passes on the concentric slip ring of High Rotation Speed and then imports the motor internal winding into and produces magnetic field by brush 3, thereby motor is run well.
Claims (7)
1. a ring type current-collector is characterized in that comprising slip ring dish, concentric slip ring, brush, holddown spring, vibration-proof rubber, brush dish, armature spindle and insulating material; Slip ring dish and brush dish are discoid, parallel and axially spaced-apart setting, coaxial being installed on the armature spindle; The slip ring dish is fixed on the armature spindle by the viscosity insulating material, and the slip ring dish is furnished with concentric slip ring with respect to brush dish one side, and the brush dish is fixed on the motor casing, and the brush dish is with respect to being furnished with brush on the slip ring dish; Concentric slip ring comprises the first concentric slip ring, the second concentric slip ring and the 3rd concentric slip ring, and the first concentric slip ring, the second concentric slip ring and the 3rd concentric slip ring form three road concentric circless annular slip rings along the radially from outside to inside interval setting of slip ring dish; Brush comprises the first brush, the second brush and third brush; The first brush, the second brush and third brush arrange at the interval from outside to inside along the brush disc radial, be oppositely arranged with the first concentric slip ring, the second concentric slip ring and the 3rd concentric slip ring, the first brush, the second brush and third brush all are installed on the brush dish by holddown spring and vibration-proof rubber, and wherein vibration-proof rubber is between holddown spring and concentric slip ring.
2. ring type current-collector according to claim 1, it is characterized in that: the contact-making surface of described brush and slip ring is circular arc.
3. ring type current-collector according to claim 1 is characterized in that: described brush employing silver-based composite material AgCuSnC preparation.
4. ring type current-collector according to claim 1, it is characterized in that: described insulating material is selected bisphenol A type epoxy resin.
5. ring type current-collector according to claim 1, it is characterized in that: described brush dish is bolted on the motor casing.
6. ring type current-collector according to claim 1 is characterized in that: described the first brush, the second brush and third brush are respectively for a pair of, and every a pair of center of circle about the brush dish is arranged symmetrically with.
7. ring type current-collector according to claim 1 is characterized in that: described the first concentric slip ring, the second concentric slip ring and the 3rd concentric slip ring along the slip ring dish radially from outside to inside the interval arrange, the interval is provided with insulating material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220708757 CN203260880U (en) | 2012-12-19 | 2012-12-19 | Ring-type current collector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220708757 CN203260880U (en) | 2012-12-19 | 2012-12-19 | Ring-type current collector |
Publications (1)
Publication Number | Publication Date |
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CN203260880U true CN203260880U (en) | 2013-10-30 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220708757 Expired - Fee Related CN203260880U (en) | 2012-12-19 | 2012-12-19 | Ring-type current collector |
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CN (1) | CN203260880U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103022846A (en) * | 2012-12-19 | 2013-04-03 | 华南理工大学 | Concentric ring type current collector |
CN106848586A (en) * | 2017-03-10 | 2017-06-13 | 深圳市偲诺电子科技有限公司 | The rotor assembly of slip ring, slip ring and boat-carrying communication in moving |
WO2021041435A1 (en) * | 2019-08-29 | 2021-03-04 | Cr Flight L.L.C. | Counter-rotating differential electric motor assembly slip ring assembly |
-
2012
- 2012-12-19 CN CN 201220708757 patent/CN203260880U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103022846A (en) * | 2012-12-19 | 2013-04-03 | 华南理工大学 | Concentric ring type current collector |
CN106848586A (en) * | 2017-03-10 | 2017-06-13 | 深圳市偲诺电子科技有限公司 | The rotor assembly of slip ring, slip ring and boat-carrying communication in moving |
CN106848586B (en) * | 2017-03-10 | 2023-05-23 | 深圳市偲诺电子科技有限公司 | Rotor assembly of slip ring, slip ring and ship-borne communication-in-motion device |
WO2021041435A1 (en) * | 2019-08-29 | 2021-03-04 | Cr Flight L.L.C. | Counter-rotating differential electric motor assembly slip ring assembly |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
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: 20131030 Termination date: 20171219 |