CN203734462U - Intelligent control device for electric vehicle-used motor - Google Patents
Intelligent control device for electric vehicle-used motor Download PDFInfo
- Publication number
- CN203734462U CN203734462U CN201420069378.2U CN201420069378U CN203734462U CN 203734462 U CN203734462 U CN 203734462U CN 201420069378 U CN201420069378 U CN 201420069378U CN 203734462 U CN203734462 U CN 203734462U
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- China
- Prior art keywords
- motor
- angular transducer
- fixed
- mounting panel
- magnet steel
- 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 - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 28
- 239000010959 steel Substances 0.000 claims abstract description 28
- 230000006698 induction Effects 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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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
Abstract
The utility model relates to an intelligent control device for an electric vehicle-used motor which can realize accurate control on motor operation and improve motor operation efficiency. The intelligent control device for the electric vehicle-used motor comprises an angle sensing device and a magnetic field emission device. The angle sensing device is composed of an angle sensor, a circuit board and a mounting board, wherein the mounting board is fixed at the end cover of the motor; the circuit board is fixed on the mounting board; and the angle sensor is arranged on the circuit board. The magnetic field emission device comprises magnetic steel, wherein the magnetic steel is fixed at the end part of a motor shaft; and the magnetic steel has an N pole and an S pole. When the motor shaft starts to operate, sine waveforms with a phase difference of 45 DEG are generated between the magnetic steel and the angle sensor, a control system controls the motor to steadily operate via the sine waveforms, such that more accurate control can be realized, improvement of the motor operation efficiency is realized, driving comfort of the entire vehicle is improved, and the driving range of the entire vehicle is prolonged.
Description
Technical field
The utility model relates to a kind of motor of used for electric vehicle, relates in particular to a kind of Motor for Electric Automobile intelligent controlling device.
Background technology
At present, like product on market is a kind of is traditional permanent-magnet brushless DC electric machine, and this motor is because Hall element is mounted on stator core, and therefore when motor moves, stator core, in the condition of high temperature, easily makes Hall element break down.Another kind is the high temperature defect existing for permanent-magnet brushless DC electric machine, and the method for the secondary magnet steel of employing of proposition, although solved like this problem of Hall temperature, Hall element location difficulty.Above two kinds of methods cannot accurately be controlled motor operation, and the distance travelled of motor and life-span are all shorter.
Utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of Motor for Electric Automobile intelligent controlling device that can realize accurate control motor operation and can improve motor operational efficiency.
Motor for Electric Automobile intelligent controlling device of the present utility model, comprise angle induction device and emission of magnetic field device, described angle induction device is comprised of angular transducer, wiring board and mounting panel, described mounting panel is fixed on the end cap of motor, described wiring board is fixed on mounting panel, on described wiring board, is provided with angular transducer;
Described emission of magnetic field device comprises magnet steel, and described magnet steel is fixed on the end of motor shaft, and described magnet steel has N, the S utmost point;
When motor shaft starts running, between described magnet steel and described angular transducer, produce the sine waveform of 45 ° of phase differences, control system is controlled motor even running by described sine waveform.
Further, described angular transducer is to form Wheatstone bridge by 4 identical anisotropic magnetoresistive sensor, and described angular transducer comprises two Wheatstone bridges that are parallel to X-Y plane, and each electric bridge can be measured 45 angles.
Further, between described angular transducer and magnet steel, leave air-gap.
Further, described mounting panel adopts screw to be fixed on the end cap of motor, on described mounting panel, has reference column, and wiring board is fixed on mounting panel behind location
Further, described inductive magnetic steel fastens with glue in the groove of motor shaft end.
By such scheme, the utility model at least has the following advantages: the utility model utilizes the magnet steel of motor shaft top installation and the angle position that the angular transducer on electric motor end cap is surveyed rotor, when motor shaft starts running, between magnet steel and angular transducer, produce the sine waveform of 45 ° of phase differences, control system is controlled motor even running by sine waveform, the raising that realizes precision control more accurately and motor operational efficiency with this, has improved the driver comfort of car load and has extended the mileages of continuation of car load operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model Motor for Electric Automobile intelligent controlling device;
Fig. 2 is work block diagram of the present utility model;
Fig. 3 is the structured flowchart of Hall element;
The voltage oscillogram of Hall element Vo1 and Vo2 when Fig. 4 is inductive magnetic steel rotation.
In figure: 1, motor shaft; 2, magnet steel; 3, angular transducer; 4, wiring board; 5, mounting panel; 6, screw; 7, end cap.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
Shown in Fig. 1 and Fig. 2, a kind of Motor for Electric Automobile intelligent controlling device, comprise angle induction device and emission of magnetic field device, angle induction device is comprised of angular transducer 3, wiring board 4 and mounting panel 5, mounting panel 5 use screws 6 are fixed on the end cap 7 of motor, wiring board 4 is fixed on mounting panel 5 by the reference column on mounting panel 5, and angled angular transducer 3 is housed on wiring board 4.
Emission of magnetic field device comprises magnet steel 2, and magnet steel 2 has N, the S utmost point, and magnet steel 2 fastens with glue in the groove of motor shaft 1 end.After installation, between angular transducer 3 and magnet steel 2, leave certain air-gap.
Shown in Figure 3, in the angular transducer of the present embodiment, in order to eliminate the impact of the extraneous factors such as temperature on output, by 4 identical anisotropic magnetoresistive sensor, form Wheatstone bridge, this transducer comprises two Wheatstone bridges that are parallel to X-Y plane, and each electric bridge can be measured 45 angles.A rotating magnetic field that is parallel to chip surface (X-Y plane) will produce two independently sine output signals, and one is cos (2a), and another is sin (2a), and a is the angle of angular transducer and magnetic direction.
The voltage oscillogram of transducer Vo1 and Vo2 while rotating for magnet steel shown in Figure 4, data processor is by the angle of Vo1 and Vo2 value output a.
Operation principle of the present utility model is as follows:
Controller to electrical power after, motor shaft starts running from inactive state, checker due to magnet steel N-S, between magnet steel and angular transducer, produce relative motion, and make angular transducer produce the sinusoidal waveform of 45 ° of phase differences, in conjunction with rotating signal, produce effective state encoding signal, then process by logic module, the voltage of DC bus is added on three-phase successively, under every kind of state, only has two to be conducted.Rotor often turns over a pair of N-S level, and several states conducting successively of fixed Combination, rotates motor continuously.Control system is controlled motor even running by the good waveform electric current of this sinusoidal waveform input respective settings, the raising that realizes precision control more accurately and motor operational efficiency with this, has improved the driver comfort of car load and has extended the mileages of continuation of car load operation.
The above is only preferred implementation of the present utility model; be not limited to the utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection range of the present utility model.
Claims (5)
1. a Motor for Electric Automobile intelligent controlling device, it is characterized in that: comprise angle induction device and emission of magnetic field device, described angle induction device is comprised of angular transducer, wiring board and mounting panel, described mounting panel is fixed on the end cap of motor, described wiring board is fixed on mounting panel, on described wiring board, is provided with angular transducer;
Described emission of magnetic field device comprises magnet steel, and described magnet steel is fixed on the end of motor shaft, and described magnet steel has N, the S utmost point;
When motor shaft starts running, between described magnet steel and described angular transducer, produce the sine waveform of 45 ° of phase differences, control system is controlled motor even running by described sine waveform.
2. Motor for Electric Automobile intelligent controlling device according to claim 1, it is characterized in that: described angular transducer is to form Wheatstone bridge by 4 identical anisotropic magnetoresistive sensor, described angular transducer comprises two Wheatstone bridges that are parallel to X-Y plane, and each electric bridge can be measured 45 angles.
3. Motor for Electric Automobile intelligent controlling device according to claim 2, is characterized in that: between described angular transducer and magnet steel, leave air-gap.
4. Motor for Electric Automobile intelligent controlling device according to claim 1, is characterized in that: described mounting panel adopts screw to be fixed on the end cap of motor, on described mounting panel, has location structure, and wiring board is fixed on mounting panel behind location.
5. Motor for Electric Automobile intelligent controlling device according to claim 1, is characterized in that: described inductive magnetic steel fastens with glue in the groove of motor shaft end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069378.2U CN203734462U (en) | 2014-02-18 | 2014-02-18 | Intelligent control device for electric vehicle-used motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420069378.2U CN203734462U (en) | 2014-02-18 | 2014-02-18 | Intelligent control device for electric vehicle-used motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203734462U true CN203734462U (en) | 2014-07-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420069378.2U Expired - Lifetime CN203734462U (en) | 2014-02-18 | 2014-02-18 | Intelligent control device for electric vehicle-used motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203734462U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762784A (en) * | 2014-02-18 | 2014-04-30 | 苏州八方电机科技有限公司 | Intelligent control device of motor for electric automobile |
| CN104979990A (en) * | 2015-07-03 | 2015-10-14 | 苏州八方电机科技有限公司 | Permanent magnet brushless direct-current motor base on multi-phase hall sensors |
| CN110165826A (en) * | 2019-05-24 | 2019-08-23 | 新大洲本田摩托(苏州)有限公司 | A kind of dynamical system of novel electric vehicle |
-
2014
- 2014-02-18 CN CN201420069378.2U patent/CN203734462U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762784A (en) * | 2014-02-18 | 2014-04-30 | 苏州八方电机科技有限公司 | Intelligent control device of motor for electric automobile |
| CN104979990A (en) * | 2015-07-03 | 2015-10-14 | 苏州八方电机科技有限公司 | Permanent magnet brushless direct-current motor base on multi-phase hall sensors |
| CN110165826A (en) * | 2019-05-24 | 2019-08-23 | 新大洲本田摩托(苏州)有限公司 | A kind of dynamical system of novel electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215124 Jiangsu Province, Suzhou City Industrial Park Loufeng No. 9 North and on the way Patentee after: BAFANG ELECTRIC (SUZHOU) Co.,Ltd. Address before: Suzhou City, Jiangsu province 215000 Loufeng town Suzhou Industrial Park and Road No. 9 Patentee before: SUZHOU BAFANG ELECTRIC MOTOR SCIENCE-TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140723 |