CN103762784A - Intelligent control device of motor for electric automobile - Google Patents
Intelligent control device of motor for electric automobile Download PDFInfo
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- CN103762784A CN103762784A CN201410054191.XA CN201410054191A CN103762784A CN 103762784 A CN103762784 A CN 103762784A CN 201410054191 A CN201410054191 A CN 201410054191A CN 103762784 A CN103762784 A CN 103762784A
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- motor
- fixed
- angular transducer
- mounting panel
- electric automobile
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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 invention relates to an intelligent control device of a motor for an electric automobile. The intelligent control device can control operation of the motor precisely and improve operating efficiency of the motor. The intelligent control device comprises an angle induction device and a magnetic field emission device, wherein the angle induction device is composed of an angle transducer, a circuit board and a mounting plate, the mounting plate is fixed to an end cover of the motor, the circuit board is fixed to the mounting plate and provided with the angle transducer, the magnetic field emission device comprises magnetic steel, the magnetic steel is fixed to the end portion of a motor shaft and has an N pole and an S pole, when the motor shaft is started to operate, a sine wave waveform with a phase difference of 45 degrees is generated between the magnetic steel and the angle transducer, a control system controls the sine wave waveform so as to control the motor to stably operate, more accurate precision control is achieved, operating efficiency of the motor is improved, driving comfort of the finished automobile is improved and the continuous operational mileage of the finished automobile is lengthened.
Description
Technical field
The present invention relates to a kind of motor used for electric vehicle, relate 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.
Summary of the invention
For solving the problems of the technologies described above, the object of this invention 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 invention, 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 present invention at least has the following advantages: the present invention utilizes the angular transducer on magnet steel and the electric motor end cap that motor shaft top installs to survey the angle position of 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 Motor for Electric Automobile intelligent controlling device of the present invention;
Fig. 2 is work block diagram of the present invention;
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, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
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 invention is as follows:
Controller to electrical power after, motor shaft starts running from inactive state, due to the checker of 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 by logic module processing, 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 the preferred embodiment of the present invention; be not limited to the present invention; should be understood that; for those skilled in the art; do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and modification, these improve and modification also should be considered as protection scope of the present invention.
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 |
|---|---|---|---|
| CN201410054191.XA CN103762784A (en) | 2014-02-18 | 2014-02-18 | Intelligent control device of motor for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410054191.XA CN103762784A (en) | 2014-02-18 | 2014-02-18 | Intelligent control device of motor for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103762784A true CN103762784A (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410054191.XA Pending CN103762784A (en) | 2014-02-18 | 2014-02-18 | Intelligent control device of motor for electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293831A (en) * | 2018-12-06 | 2020-06-16 | 澄钛动能科技股份有限公司 | High-efficiency intelligent motor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200969563Y (en) * | 2006-10-18 | 2007-10-31 | 北京交通大学 | Magnetic suspension rotary device |
| CN101180519A (en) * | 2005-03-23 | 2008-05-14 | 霍尼韦尔国际公司 | Angular position detection utilizing a plurality of rotary configured magnetic sensors |
| CN201118416Y (en) * | 2007-08-24 | 2008-09-17 | 宁波骏腾国际工贸有限公司 | FM DC drive electromotor device for washer |
| CN102361370A (en) * | 2011-10-29 | 2012-02-22 | 重庆大学 | Integrated motor rotating speed measuring mechanism of sensor arranged in motor end cover |
| CN203734462U (en) * | 2014-02-18 | 2014-07-23 | 苏州八方电机科技有限公司 | Intelligent control device for electric vehicle-used motor |
-
2014
- 2014-02-18 CN CN201410054191.XA patent/CN103762784A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101180519A (en) * | 2005-03-23 | 2008-05-14 | 霍尼韦尔国际公司 | Angular position detection utilizing a plurality of rotary configured magnetic sensors |
| CN200969563Y (en) * | 2006-10-18 | 2007-10-31 | 北京交通大学 | Magnetic suspension rotary device |
| CN201118416Y (en) * | 2007-08-24 | 2008-09-17 | 宁波骏腾国际工贸有限公司 | FM DC drive electromotor device for washer |
| CN102361370A (en) * | 2011-10-29 | 2012-02-22 | 重庆大学 | Integrated motor rotating speed measuring mechanism of sensor arranged in motor end cover |
| CN203734462U (en) * | 2014-02-18 | 2014-07-23 | 苏州八方电机科技有限公司 | Intelligent control device for electric vehicle-used motor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293831A (en) * | 2018-12-06 | 2020-06-16 | 澄钛动能科技股份有限公司 | High-efficiency intelligent motor |
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Application publication date: 20140430 |
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