CN110417192A - Novel rotor position detecting module for low-speed electronic commercial vehicle driving motor - Google Patents
Novel rotor position detecting module for low-speed electronic commercial vehicle driving motor Download PDFInfo
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- CN110417192A CN110417192A CN201910717068.4A CN201910717068A CN110417192A CN 110417192 A CN110417192 A CN 110417192A CN 201910717068 A CN201910717068 A CN 201910717068A CN 110417192 A CN110417192 A CN 110417192A
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- China
- Prior art keywords
- commercial vehicle
- low
- driving motor
- rotor position
- speed electronic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- 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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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The present invention relates to a kind of novel rotor position detecting modules for low-speed electronic commercial vehicle driving motor, including Hall angle sensor integrated chip and peripheral circuit and reaction magnetic ring, integrated chip is installed on motor stator end cap, reaction magnetic ring is installed on Rotor terminal, integrated chip detection acquisition magnetic flux signal, angle-data calculating is carried out, data will be calculated and malfunction is transmitted to controller MCU.Using the novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of the invention, the commercial vehicle platform for being suitble to revolving speed relatively low, relative rotation transformer scheme, controller inner decoding chip and peripheral complicated circuit can be cancelled.The higher rotary transformer of fictitious hosts of the present invention and rotation become decoding chip, and single power drive system cost that covers is remarkably decreased, while can guarantee good system performance and reliability.
Description
Technical field
The present invention relates to electric car field more particularly to low-speed electronic electric motor of automobile control field, in particular to one kind
Novel rotor position detecting module for low-speed electronic commercial vehicle driving motor.
Background technique
PMSM Drive System based on rotary transformer (position sensor) has high efficiency, and high power is close
Degree, speed adjustable range is wide, highly reliable characteristic, is widely used in electric car electric drive field at present.Rotary transformer feedback letter
It number is affected by decoding chip pumping signal, pumping signal is easy to be interfered in high voltagehigh frequency alternating electromagnetic environment, leads
The distortion of rotary transformer feedback signal is caused, the output of decoding chip angle is influenced；In addition, decoding chip peripheral signal processing circuit phase
To more complex, the probability that the connection line that rotation becomes between feedback signal and decoding chip interfere by high-frequency electromagnetic is relatively more, revolves
It is relatively low to change depressor signal circuit reliability.
Summary of the invention
The purpose of the present invention is overcoming the above-mentioned prior art, provide it is a kind of meet circuit is simple, interference less,
The novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of high reliablity.
To achieve the goals above, the novel rotor position detection for low-speed electronic commercial vehicle driving motor of the invention
Module is as follows:
This is used for the novel rotor position detecting module of low-speed electronic commercial vehicle driving motor, is mainly characterized by, described
System include:
Hall angle sensor integrated chip and peripheral circuit and reaction magnetic ring, integrated chip are installed on motor stator end
Lid, reaction magnetic ring are installed on Rotor terminal, and integrated chip detection acquisition magnetic flux signal carries out angle-data calculating, will calculate number
According to and malfunction be transmitted to controller MCU.
Preferably, the Rotor terminal of the motor installs magnet ring, the stator end cap installation kit of the motor includes Hall
The circuit board of sensor integrated chip.
Preferably, the Hall angular transducer calculates the corresponding angle [alpha] of magnetic flux density according to voltage signal, specifically
Are as follows:
The corresponding angle [alpha] of magnetic flux density is calculated according to the following formula:
α=∠ (V1, kV2)；
Wherein, α indicates magnetic field angle, V1Indicate Vx, Vy or Vz, V2Expression Vx, Vy or Vz, k expression amplitude coefficient, next
Amplitude with V1 and kV2.
Preferably, the Hall angular transducer exports 0~360 degree of angle position.
Preferably, the novel rotor position detection module application is in low-speed electronic commercial vehicle platform.
Using the novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of the invention, it is suitble to turn
The relatively low commercial vehicle platform of speed, relative rotation transformer scheme, controller inner decoding chip and peripheral complicated circuit can
To cancel, cheap cost is also suitble to the commercial vehicle more sensitive to cost.The higher rotation transformation of fictitious hosts of the present invention
Device and rotation become decoding chip, and single power drive system cost that covers is remarkably decreased, while can guarantee good system performance and reliability,
Product income can be greatly improved by promoting in commercial vehicle, promote product competitiveness in the market.
Detailed description of the invention
Fig. 1 is the Hall angle of the novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of the invention
Spend sensor position detection scheme schematic diagram.
Fig. 2 is the decoding core of the novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of the invention
Piece peripheral circuit.
Fig. 3 is the Hall angle of the novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of the invention
Spend sensor scheme of installation.
Fig. 4 is the novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of the invention based on suddenly
That angular transducer power drive system schematic diagram.
Fig. 5 is the embodiment of the novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of the invention
Hall angle sensor signal export figure.
Specific embodiment
It is further to carry out combined with specific embodiments below in order to more clearly describe technology contents of the invention
Description.
This of the invention is used for the novel rotor position detecting module of low-speed electronic commercial vehicle driving motor, including:
Hall angle sensor integrated chip and peripheral circuit and reaction magnetic ring, integrated chip are installed on motor stator end
Lid, reaction magnetic ring are installed on Rotor terminal, and integrated chip detection acquisition magnetic flux signal carries out angle-data calculating, will calculate number
According to and malfunction be transmitted to controller MCU.
As the preferred embodiment of the present invention, the Rotor terminal of the motor installs magnet ring, and the motor is determined
Sub- end cap installation includes the circuit board of Hall sensor integrated chip.
As the preferred embodiment of the present invention, the Hall angular transducer calculates magnetic flux density according to voltage signal
Corresponding angle [alpha], specifically:
The corresponding angle [alpha] of magnetic flux density is calculated according to the following formula:
α=∠ (V1, kV2)；
Wherein, α indicates magnetic field angle, V1Indicate Vx, Vy or Vz, V2Expression Vx, Vy or Vz, k expression amplitude coefficient, next
Amplitude with V1 and kV2.
As the preferred embodiment of the present invention, the Hall angular transducer exports 0~360 degree of angle position.
As the preferred embodiment of the present invention, the novel rotor position detection module application is in low-speed electronic commercialization
Vehicle platform.
In a specific embodiment of the invention, the present invention is relatively traditional, and the detection of driving motor for electric automobile rotor-position is adopted
Rotary transformer scheme is simpler with hardware circuit, hardware cost is lower, software complexity is lower, reliability is higher
The feature present invention realizes the angle detection within the scope of 0~360 ° of rotor, Hall using MLX90360 Hall angular transducer
Angular transducer working principle is as shown in Fig. 1~2.Magnet ring is installed in rotor end, is pacified in stator end cap opposite position
Hall sensor integrated chip circuitry plate is filled, motor Hall sensor scheme of installation is as shown in Figure 3.
MLX90360 Hall angular transducer, detection are applied to three-dimensional component Bx, By, the Bz of magnetic flux density on chip, and
It is translated into voltage signal Vx, Vy, Vz, chip calculates the corresponding angle [alpha] of the magnetic flux density, calculation formula according to voltage signal
It is as follows:
α=∠ (V1, kV2)；
α indicates magnetic field angle；V1 indicates Vx, Vy or Vz；V2 indicates Vx, Vy or Vz；K indicates amplitude coefficient, for matching
The amplitude of V1 and kV2.
In motor operation course, as magnet ring rotates, Hall sensor detects magnetic field corresponding change, through in sensor chip
After portion's signal processing, 0~360 ° of angle position exporting to linear sensor.The integrated chip has a SPI communication interface, and with electricity
Machine controller SPI interface is connected, and electric machine controller reads Hall sensor in real time and is sent to angle-data, to carry out based on magnetic
The vector controlled of field orientation, driving motor rotation.
It is limited by sensor SPI communication interface transmission rate, the program is not suitable for high speed conditions, and is suitble to revolving speed phase
To lower commercial vehicle platform, relative rotation transformer scheme, controller inner decoding chip and peripheral complicated circuit can be taken
Disappear, cheap cost is also suitble to the commercial vehicle more sensitive to cost.
During certain model design of electrical motor, rotary transformer, Rotor terminal installation are replaced using Hall angular transducer
Magnetic pole, and in circuit board of the stator end cap corresponding position installation comprising angular transducer integrated chip, which, which passes through SPI, believes
It number is connect with electric machine controller, carries out angle-data and malfunction communication, schematic diagram is as shown in Figure 4.
Bench test is carried out to Hall sensor material object, in motor operation course, Hall angular transducer output angle letter
Number linearity is preferable, in 0~6000rpm full speed range, can operate normally, angle signal is as shown in Figure 5.
The present apparatus carries out permanent magnet synchronous motor position detection using Hall angular transducer, which swears for motor
Amount control, can be by Hall angle sensor application in quotient suitable for the rotor and stator structure design of Hall angular transducer
With vehicle driving motor for electric automobile platform.
Using the novel rotor position detecting module for low-speed electronic commercial vehicle driving motor of the invention, it is suitble to turn
The relatively low commercial vehicle platform of speed, relative rotation transformer scheme, controller inner decoding chip and peripheral complicated circuit can
To cancel, cheap cost is also suitble to the commercial vehicle more sensitive to cost.The higher rotation transformation of fictitious hosts of the present invention
Device and rotation become decoding chip, and single power drive system cost that covers is remarkably decreased, while can guarantee good system performance and reliability,
Product income can be greatly improved by promoting in commercial vehicle, promote product competitiveness in the market.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still make
Various modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrative
And not restrictive.
Claims (5)
1. a kind of novel rotor position detecting module for low-speed electronic commercial vehicle driving motor, which is characterized in that described
Including including:
Hall angle sensor integrated chip and peripheral circuit and reaction magnetic ring, integrated chip are installed on motor stator end cap, sense
Magnet ring is answered to be installed on Rotor terminal, integrated chip detection acquisition magnetic flux signal carries out angle-data calculating, will calculate data and event
Hinder state transfer to controller MCU.
2. the novel rotor position detecting module according to claim 1 for low-speed electronic commercial vehicle driving motor,
It is characterized in that, the Rotor terminal of the motor installs magnet ring, and the stator end cap installation kit of the motor includes Hall sensor
The circuit board of integrated chip.
3. the novel rotor position detecting module according to claim 1 for low-speed electronic commercial vehicle driving motor,
It being characterized in that, the Hall angular transducer calculates the corresponding angle [alpha] of magnetic flux density according to voltage signal, specifically:
The corresponding angle [alpha] of magnetic flux density is calculated according to the following formula:
α=∠ (V1, kV2)；
Wherein, α indicates magnetic field angle, V1Indicate Vx, Vy or Vz, V2Indicate Vx, Vy or Vz, k indicates amplitude coefficient, to match V1
With the amplitude of kV2.
4. the novel rotor position detecting module according to claim 1 for low-speed electronic commercial vehicle driving motor,
It is characterized in that, the Hall angular transducer exports 0~360 degree of angle position.
5. the novel rotor position detecting module according to claim 1 for low-speed electronic commercial vehicle driving motor,
It is characterized in that, the novel rotor position detection module application is in low-speed electronic commercial vehicle platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717068.4A CN110417192A (en) | 2019-08-05 | 2019-08-05 | Novel rotor position detecting module for low-speed electronic commercial vehicle driving motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910717068.4A CN110417192A (en) | 2019-08-05 | 2019-08-05 | Novel rotor position detecting module for low-speed electronic commercial vehicle driving motor |
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| Publication Number | Publication Date |
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| CN110417192A true CN110417192A (en) | 2019-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910717068.4A Withdrawn CN110417192A (en) | 2019-08-05 | 2019-08-05 | Novel rotor position detecting module for low-speed electronic commercial vehicle driving motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293928A (en) * | 2020-01-23 | 2020-06-16 | 中国公路车辆机械有限公司 | EPS motor position detection system and method based on TMR element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787465A (en) * | 2017-02-09 | 2017-05-31 | 湖南天富机电科技有限公司 | A kind of motor rotor position detecting system based on angular transducer |
| CN107565764A (en) * | 2017-10-27 | 2018-01-09 | 台山市江口电器制造有限公司 | A kind of water pump DC brushless motor |
| CN208401694U (en) * | 2018-05-23 | 2019-01-18 | 中山瑞信智能控制***有限公司 | A kind of switched reluctance machines |
| CN109842245A (en) * | 2019-01-22 | 2019-06-04 | 上海拓为汽车技术有限公司 | A kind of permanent magnet machine rotor position-measurement device and method |
-
2019
- 2019-08-05 CN CN201910717068.4A patent/CN110417192A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787465A (en) * | 2017-02-09 | 2017-05-31 | 湖南天富机电科技有限公司 | A kind of motor rotor position detecting system based on angular transducer |
| CN107565764A (en) * | 2017-10-27 | 2018-01-09 | 台山市江口电器制造有限公司 | A kind of water pump DC brushless motor |
| CN208401694U (en) * | 2018-05-23 | 2019-01-18 | 中山瑞信智能控制***有限公司 | A kind of switched reluctance machines |
| CN109842245A (en) * | 2019-01-22 | 2019-06-04 | 上海拓为汽车技术有限公司 | A kind of permanent magnet machine rotor position-measurement device and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293928A (en) * | 2020-01-23 | 2020-06-16 | 中国公路车辆机械有限公司 | EPS motor position detection system and method based on TMR element |
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Application publication date: 20191105 |