CN106849783A - A kind of control device for direct-current brushless motor - Google Patents
A kind of control device for direct-current brushless motor Download PDFInfo
- Publication number
- CN106849783A CN106849783A CN201710065957.8A CN201710065957A CN106849783A CN 106849783 A CN106849783 A CN 106849783A CN 201710065957 A CN201710065957 A CN 201710065957A CN 106849783 A CN106849783 A CN 106849783A
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- Prior art keywords
- circuit
- motor
- direct
- chip microcomputer
- control device
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
Abstract
The invention discloses a kind of control device for direct-current brushless motor, including single-chip microcomputer, control module and drive module, drive module includes battery, current sampling circuit and the voltage sampling circuit powered for motor, the input of single-chip microcomputer is terminated with infrared tachometer circuit, Hall sensor, temperature sensor, and the output of single-chip microcomputer is terminated with warning circuit, radiating module and the motor driver for motor operating；Control module includes position sensor, infrared tachometer circuit, PI modules, PWM module；The output end of current sampling circuit and the output end of voltage sampling circuit connect with the input of single-chip microcomputer.Compared with prior art, the present invention uses new and effective brshless DC motor, can reach and vehicle electric energy is efficiently used.The control system of other electric motor car is the important component of electric motor car, is to improve motor efficiency, the key of increasing storage battery service life.By the structure of Optimal Control System, good control mode is reached.
Description
Technical field
The present invention relates to automobile technical field, more particularly to a kind of control device for direct-current brushless motor.
Background technology
The motor that current automobile industry is being applied mainly uses the DC excitation motor, DC excitation current motor to be
Magnetic field, brush-commutated device are set up by magnet exciting coil and realizes commutation, so as to cause motor starting, running current big, volume is big,
Overload capacity is poor, maintenance is complicated, efficiency is low, and battery impacts serious short life.
The content of the invention
The purpose of the present invention is that and a kind of control device for direct-current brushless motor is provided to solve the above problems.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention includes being single-chip microcomputer, control module and drive module, battery that the drive module includes powering for motor,
Current sampling circuit and voltage sampling circuit, the input of the single-chip microcomputer are terminated with detecting the infrared electricity that tests the speed of electric motor car speed
Road, the Hall sensor for detecting motor speed, the temperature sensor for detecting motor operating temperature pair, the single-chip microcomputer
Output be terminated with warning circuit, radiating module and for motor operating motor driver；The control module includes
Position sensor, infrared tachometer circuit, PI modules, PWM module；The output end and voltage sampling circuit of the current sampling circuit
Output end connect with the input of single-chip microcomputer.
The single-chip microcomputer model MSP430F149, the battery is 24V batteries.The Hall sensor contains
The metal-oxide-semiconductor drive circuit of IR22136 chips, position detecting circuit, tachogenerator and tachometer circuit, PI regulation circuits, position
Put sensor circuit and contain LM393 twin voltage comparators, be connected with Hall sensor, for detecting residing for rotor
Position, is first determined the positional information of brushless DC motor by Hall sensor, sends information to Single-chip Controlling motor
Rotor position detection circuit, sampling except brushless DC motor position angle, when tachogenerator collection motor turn
Speed, sends information to the PI adjustment modules in microcontroller, and PI adjustment modules are for the tachometer value that is input into and collected
Rotating speed is modulated, and the rotating speed after modulation inputed into SPWM modules, and SPWM modules are according to the rotating speed after modulation and rotor
Position angle, generates impulse wave, by changing the voltage at input direct-current armature two ends, changes DC motor speed, realizes
Stepless time adjustment.
The infrared tachometer circuit includes infrared transmitting circuit and infrared receiving circuit, and the infrared transmitting circuit includes red
The anode of emission pipe TLN205 and light emitting diode DS4, the infrared transmitting tube TLN205 is exported through resistance R12 and 5v power supplys
End connects, the anode point two-way of the light emitting diode DS4, is connected with 5V power output ends all the way, and another road is through electric capacity C5
Ground connection；The negative electrode R15 ground connection of the light emitting diode DS4, the minus earth of the infrared transmitting tube TLN205.
The output of the single-chip microcomputer is terminated with warning circuit, radiating module and the motor for motor operating and drives
Device.When motor temperature exceedes preset temperature, warning circuit and radiating module are connected, it is ensured that the working life of motor and normal fortune
OK.
The Hall sensor includes the 1st pin point two-way of sensor OH137, the OH137 of the sensor, passes through all the way
Resistance R4 connects with 5V power output ends, and another road connects with the base stage of triode Q1；The colelctor electrode of the triode Q1 is divided to two
Road, connects through resistance R2 with 5V power output ends all the way, and another road connects with single-chip microcomputer；The emitter stage of the triode Q1 connects
Ground.
The Hall element is arranged on the end of brush DC point machine winding, and is ahead of a DC brushless motor wherein phase
The electrical angle that 90 ° of winding, and it is provided with spacing distance with the iron core and winding of DC brushless motor.The drive model is SD-
208.Sample circuit effect is the dump energy state of real-time monitoring battery, feeds back to user.The PI modules include ratio
Adjustment unit and integral unit, the proportion adjustment unit are used for the deviation that regulation and control system is produced；Described integral adjustment
Unit is used to eliminate the static error of control system.The PWM module is according to the rotating speed after the modulation of P adjustment modules and the position of rotor
Angle setting degree, generates impulse wave, by changing the voltage at input direct-current armature two ends, changes DC motor speed, realizes nothing
Pole speed governing.
The beneficial effects of the present invention are：
The present invention is a kind of control device for direct-current brushless motor, and compared with prior art, the present invention is using new and effective brushless
Direct current generator, can reach and vehicle electric energy is efficiently used.The control system of other electric motor car is the important set of electric motor car
It is to improve motor efficiency, the key of increasing storage battery service life into part.By the structure of Optimal Control System, reach
Good control mode.
Brief description of the drawings
Fig. 1：A kind of electric motor car brushless DC motor structure figure；
Fig. 2：PI adjustment modules schematic diagram and performance diagram；
Fig. 3：MSP430F149 schematic diagrams；
Fig. 4：Infrared tachometer circuit schematic diagram；
Fig. 5;LM393 twin voltage comparator schematic diagrams.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
As shown in Figures 1 to 5：The present invention includes being single-chip microcomputer, control module and drive module, and the drive module includes being electricity
Battery, current sampling circuit and voltage sampling circuit that machine is powered, the input of the single-chip microcomputer are terminated with detecting electric bicycle
The infrared tachometer circuit of speed, the Hall sensor for detecting motor speed, the temperature biography for detecting motor operating temperature pair
Sensor, the output of the single-chip microcomputer is terminated with warning circuit, radiating module and the motor driver for motor operating；Institute
Stating control module includes position sensor, infrared tachometer circuit, PI modules, PWM module；The output end of the current sampling circuit
Output end with voltage sampling circuit connects with the input of single-chip microcomputer.
The single-chip microcomputer model MSP430F149, the battery is 24V batteries.The Hall sensor contains
The metal-oxide-semiconductor drive circuit of IR22136 chips, position detecting circuit, tachogenerator and tachometer circuit, PI regulation circuits, position
Put sensor circuit and contain LM393 twin voltage comparators, be connected with Hall sensor, for detecting residing for rotor
Position, is first determined the positional information of brushless DC motor by Hall sensor, sends information to Single-chip Controlling motor
Rotor position detection circuit, sampling except brushless DC motor position angle, when tachogenerator collection motor turn
Speed, sends information to the PI adjustment modules in microcontroller, and PI adjustment modules are for the tachometer value that is input into and collected
Rotating speed is modulated, and the rotating speed after modulation inputed into SPWM modules, and SPWM modules are according to the rotating speed after modulation and rotor
Position angle, generates impulse wave, by changing the voltage at input direct-current armature two ends, changes DC motor speed, realizes
Stepless time adjustment.
The infrared tachometer circuit includes infrared transmitting circuit and infrared receiving circuit, and the infrared transmitting circuit includes red
The anode of emission pipe TLN205 and light emitting diode DS4, the infrared transmitting tube TLN205 is exported through resistance R12 and 5v power supplys
End connects, the anode point two-way of the light emitting diode DS4, is connected with 5V power output ends all the way, and another road is through electric capacity C5
Ground connection；The negative electrode R15 ground connection of the light emitting diode DS4, the minus earth of the infrared transmitting tube TLN205.
The output of the single-chip microcomputer is terminated with warning circuit, radiating module and the motor for motor operating and drives
Device.When motor temperature exceedes preset temperature, warning circuit and radiating module are connected, it is ensured that the working life of motor and normal fortune
OK.
The Hall sensor includes the 1st pin point two-way of sensor OH137, the OH137 of the sensor, passes through all the way
Resistance R4 connects with 5V power output ends, and another road connects with the base stage of triode Q1；The colelctor electrode of the triode Q1 is divided to two
Road, connects through resistance R2 with 5V power output ends all the way, and another road connects with single-chip microcomputer；The emitter stage of the triode Q1 connects
Ground.
The Hall element is arranged on the end of brush DC point machine winding, and is ahead of a DC brushless motor wherein phase
The electrical angle that 90 ° of winding, and it is provided with spacing distance with the iron core and winding of DC brushless motor.The drive model is SD-
208.Sample circuit effect is the dump energy state of real-time monitoring battery, feeds back to user.The PI modules include ratio
Adjustment unit and integral unit, the proportion adjustment unit are used for the deviation that regulation and control system is produced；Described integral adjustment
Unit is used to eliminate the static error of control system.The PWM module is according to the rotating speed after the modulation of P adjustment modules and the position of rotor
Angle setting degree, generates impulse wave, by changing the voltage at input direct-current armature two ends, changes DC motor speed, realizes nothing
Pole speed governing.
General principle of the invention and principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (9)
1. a kind of control device for direct-current brushless motor, it is characterised in that：Including being single-chip microcomputer, control module and drive module, institute
Stating drive module includes battery, current sampling circuit and the voltage sampling circuit powered for motor, the input of the single-chip microcomputer
Be terminated with detecting the infrared tachometer circuit of electric motor car speed, the Hall sensor for detecting motor speed, for detecting motor
The temperature sensor of operating temperature pair, the output of the single-chip microcomputer is terminated with warning circuit, radiating module and for motor
The motor driver of operating；The control module includes position sensor, infrared tachometer circuit, PI modules, PWM module；It is described
The output end of current sampling circuit and the output end of voltage sampling circuit connect with the input of single-chip microcomputer.
2. control device for direct-current brushless motor according to claim 1, it is characterised in that：The single-chip microcomputer model
MSP430F149, the battery is 24V batteries.
3. control device for direct-current brushless motor according to claim 1, it is characterised in that：The Hall sensor contains
The metal-oxide-semiconductor drive circuit of IR22136 chips, position detecting circuit, tachogenerator and tachometer circuit, PI regulation circuits, position
Put sensor circuit and contain LM393 twin voltage comparators, be connected with Hall sensor.
4. control device for direct-current brushless motor according to claim 1, it is characterised in that：The infrared tachometer circuit includes
Infrared transmitting circuit and infrared receiving circuit, the infrared transmitting circuit include infrared transmitting tube TLN205 and light emitting diode
DS4, the anode of the infrared transmitting tube TLN205 connects through resistance R12 with 5v power output ends, the light emitting diode DS4's
Anode point two-way, is connected with 5V power output ends all the way, and another road is grounded through electric capacity C5；The moon of the light emitting diode DS4
Pole R15 is grounded, the minus earth of the infrared transmitting tube TLN205.
5. control device for direct-current brushless motor according to claim 1, it is characterised in that：The Hall sensor includes passing
1st pin of sensor OH137, the OH137 of the sensor point two-way, connects, separately through resistance R4 with 5V power output ends all the way
The base stage with triode Q1 connects all the way；The colelctor electrode of the triode Q1 point two-way, exports through resistance R2 and 5V power supplys all the way
End connects, and another road connects with single-chip microcomputer；The grounded emitter of the triode Q1.
6. control device for direct-current brushless motor according to claim 1, it is characterised in that：The Hall element is arranged on directly
The brushless end of machine winding of stream, and it is ahead of the electrical angle of DC brushless motor wherein 90 ° of a phase winding, and and brush DC
The iron core and winding of motor are provided with spacing distance.
7. control device for direct-current brushless motor according to claim 1, it is characterised in that：The drive model is SD-
208。
8. control device for direct-current brushless motor according to claim 1, it is characterised in that：The PI modules are adjusted including ratio
Section unit and integral unit, the proportion adjustment unit are used for the deviation that regulation and control system is produced；Described integral adjustment list
Unit is used to eliminate the static error of control system.
9. control device for direct-current brushless motor according to claim 1, it is characterised in that：The PWM module is adjusted according to P
The position angle of rotating speed and rotor after module modulation, generates impulse wave, by the electricity for changing input direct-current armature two ends
Pressure, changes DC motor speed, realizes stepless time adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065957.8A CN106849783A (en) | 2017-02-06 | 2017-02-06 | A kind of control device for direct-current brushless motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710065957.8A CN106849783A (en) | 2017-02-06 | 2017-02-06 | A kind of control device for direct-current brushless motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106849783A true CN106849783A (en) | 2017-06-13 |
Family
ID=59122704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710065957.8A Pending CN106849783A (en) | 2017-02-06 | 2017-02-06 | A kind of control device for direct-current brushless motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106849783A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460267A (en) * | 2019-08-22 | 2019-11-15 | 沈阳兴华航空电器有限责任公司 | A kind of three-phase brushless DC fan controller |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05161391A (en) * | 1991-12-02 | 1993-06-25 | Yokogawa Electric Corp | Drive circuit of motor |
| CN205344562U (en) * | 2016-01-27 | 2016-06-29 | 西安科技大学 | Electric motor car energy -saving control device |
-
2017
- 2017-02-06 CN CN201710065957.8A patent/CN106849783A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05161391A (en) * | 1991-12-02 | 1993-06-25 | Yokogawa Electric Corp | Drive circuit of motor |
| CN205344562U (en) * | 2016-01-27 | 2016-06-29 | 西安科技大学 | Electric motor car energy -saving control device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110460267A (en) * | 2019-08-22 | 2019-11-15 | 沈阳兴华航空电器有限责任公司 | A kind of three-phase brushless DC fan controller |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
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| RJ01 | Rejection of invention patent application after publication |