CN202918070U - Double-base-speed AC servomotor specially used for electric automobile - Google Patents
Double-base-speed AC servomotor specially used for electric automobile Download PDFInfo
- Publication number
- CN202918070U CN202918070U CN2012206233514U CN201220623351U CN202918070U CN 202918070 U CN202918070 U CN 202918070U CN 2012206233514 U CN2012206233514 U CN 2012206233514U CN 201220623351 U CN201220623351 U CN 201220623351U CN 202918070 U CN202918070 U CN 202918070U
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- Prior art keywords
- electric automobile
- servomotor
- speed
- rotor
- double
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- Expired - Fee Related
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a double-base-speed AC servomotor specially used for an electric automobile. The double-base-speed AC servomotor specially used for the electric automobile includes a front end cover, a housing cooled by circulating water, a stator, a rotor, a sensor, a rear end cover and a wiring box. The external diameter of a stator iron core is 493 mm and the length of the stator iron core is 360 mm. An outgoing wire of a motor winding is connected with a three-phase AC power source through two solid relay sets and a servo controller. Mutual conversion between star connection and triangular connection of the motor winding can be realized by the two solid relay sets. By using the double-base-speed AC servomotor specially used for the electric automobile, the safe and efficient operation of the electric automobile can be realized.
Description
Technical field
The utility model relates to appliance field, relates in particular to a kind of AC servomotor.
Background technology
The city bus electric automobile is because city intersection is red, green light is more; in addition various contingencies and traffic congestion; electric automobile usually is in the unordered operating condition of stop-go; also just usually can be operated in starting and stopping and low speed operating mode as the AC servomotor that power source is provided; therefore; directly affect the operational efficiency of AC servomotor, reduce course continuation mileage.Motor as the city bus heart component should have following characteristic: 1, volume is little, quality is light; 2 course continuation mileages that require once to charge are long, and namely whole service process all should have higher operational efficiency, i.e. the product of the power factor of motor and efficient pursuit maximizes; 3, the constant output characteristic in low speed high torque characteristic and the middle and high fast wide region; 4 high reliability.Existing AC servomotor can't satisfy above-mentioned working condition requirement.
The utility model content
The utility model aims to provide a kind of special-purpose double-basis speed AC servomotor of suitable electric automobile requirement, is used for addressing the above problem, and realizes the high-efficiency operation of electric automobile.
For achieving the above object, the utility model is realized by the following technical solutions:
The special-purpose double-basis speed of the disclosed electric automobile of the utility model AC servomotor comprises casing, stator, rotor, transducer, rear end cap, terminal box that front end housing, water circulation are cooled off, and the stator core external diameter is that 493mm, length are 360mm; The motor winding leading-out wire links to each other with three-phase alternating-current supply with servo controller by two solid-state relay groups, and described two solid-state relay groups can realize the mutual conversion of motor winding star connection and delta connection.
Preferably, the groove number of stator slot is 72, and the groove number of rotor is 64, and the rotor chute degree is 15.8mm.
Preferably, gas length is 1mm between stator, rotor.
The utility model can well satisfy the service requirement of electric automobile, realize the double-basis speed operation of AC servomotor, volume is little, quality is light, and is efficient, energy-conservation, course continuation mileage is long, guaranteed the safety of the comfortable of passenger and operation, be with a wide range of applications and good economic benefit.
Description of drawings
Fig. 1 is the electric machine structure schematic diagram.
Fig. 2 is the left pseudosection of structure shown in Figure 1.
Fig. 3 is motor winding leading-out wire circuit connection schematic diagram.
Fig. 4 is the utility model torque characteristic curve.
Among the figure: 1-rotor core, 2-stator core, 3-gas length, 4-stator slot, 5-rotor, 6-rotor, 7,9-solid-state relay group, 8-motor winding leading-out wire, 10-servo controller.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Figure 1, 2, 3, the special-purpose double-basis speed of the disclosed electric automobile of the utility model AC servomotor, comprise casing, stator, rotor, transducer, rear end cap, the terminal box of front end housing, water circulation cooling, it is characterized in that: stator core 2 external diameters are that 493mm, length are 360mm; Motor winding leading-out wire 8 links to each other with three-phase alternating-current supply with servo controller 10 by two solid-state relay groups 7,9, and described two solid-state relay groups 7,9 can realize the mutual conversion of motor winding star connection and delta connection; The motor winding adopts star connection to be low base speed, and delta connection is high base speed, and solid-state relay adopts the electronic devices and components manufacturing, and speed is fast, contactless connection, and noise is low, long service life.
Preferably, the groove number of stator slot 4 is 72, and the groove number of rotor 5 is 64, and the rotor chute degree is 15.8mm.
Preferably, gas length 3 is 1mm between stator, rotor.
After tested, the technical parameter of the utility model motor can reach:
Rated power: low basic fast 55Kw, high basic fast 75Kw
Rated voltage: low basic fast 360V, high basic fast 360V
Rated current: low basic fast 110.8A, high basic fast 142.1A
Rated speed: low basic fast 375rpm, high basic fast 750rpm
Nominal torque: low basic fast 1400.8N.m, high basic fast 955.1N.m
Rated efficiency: low base speed 86.5, high base speed 92
Rated power factor: low base speed 0.92, high base speed 0.92
Peak torque: low basic fast 2827N.m, high basic fast 2510N.m
Peak current: low basic fast 220A, high basic fast 280A
Speed adjustable range: low basic fast 1125rpm, high basic fast 3500rpm
As shown in Figure 4, the automatic transfer point of the utility model is chosen near the intersection point of two torque characteristic curves, and the torque, rotating speed, the electric current that switch the front and back New-type electric machine all are consistent substantially, does not have large fluctuation.
Certainly; the utility model also can have other various embodiments; in the situation that do not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (3)
1. the special-purpose double-basis speed of an electric automobile AC servomotor comprises casing, stator, rotor, transducer, rear end cap, terminal box that front end housing, water circulation are cooled off, and it is characterized in that: stator core (2) external diameter is that 493mm, length are 360mm; Motor winding leading-out wire (8) links to each other with three-phase alternating-current supply with servo controller (10) by two solid-state relay groups (7,9), and described two solid-state relay groups (7,9) can realize the mutual conversion of motor winding star connection and delta connection.
2. the special-purpose double-basis speed of electric automobile according to claim 1 AC servomotor, it is characterized in that: the groove number of stator slot (4) is 72, and the groove number of rotor (5) is 64, and the rotor chute degree is 15.8mm.
3. the special-purpose double-basis speed of electric automobile according to claim 1 AC servomotor, it is characterized in that: gas length between stator, rotor (3) is 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206233514U CN202918070U (en) | 2012-11-22 | 2012-11-22 | Double-base-speed AC servomotor specially used for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206233514U CN202918070U (en) | 2012-11-22 | 2012-11-22 | Double-base-speed AC servomotor specially used for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202918070U true CN202918070U (en) | 2013-05-01 |
Family
ID=48166346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206233514U Expired - Fee Related CN202918070U (en) | 2012-11-22 | 2012-11-22 | Double-base-speed AC servomotor specially used for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202918070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375657A (en) * | 2015-12-14 | 2016-03-02 | 广东美芝制冷设备有限公司 | Motor and compressor equipped with same |
| CN108462278A (en) * | 2018-04-12 | 2018-08-28 | 核心驱动科技（金华）有限公司 | Electrical shift case disc type electric machine device and system |
-
2012
- 2012-11-22 CN CN2012206233514U patent/CN202918070U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375657A (en) * | 2015-12-14 | 2016-03-02 | 广东美芝制冷设备有限公司 | Motor and compressor equipped with same |
| CN108462278A (en) * | 2018-04-12 | 2018-08-28 | 核心驱动科技（金华）有限公司 | Electrical shift case disc type electric machine device and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Double-base-speed AC servomotor specially used for electric automobile Effective date of registration: 20150914 Granted publication date: 20130501 Pledgee: Chengdu high investment financing Company limited by guarantee Pledgor: SICHUAN MK SERVO TECHNOLOGY CO., LTD. Registration number: 2015510000031 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180322 Granted publication date: 20130501 Pledgee: Chengdu high investment financing Company limited by guarantee Pledgor: SICHUAN MK SERVO TECHNOLOGY CO., LTD. Registration number: 2015510000031 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20191122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |