CN206077270U - Brushless direct current motor control system based on single chip microcomputer - Google Patents
Brushless direct current motor control system based on single chip microcomputer Download PDFInfo
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- CN206077270U CN206077270U CN201621073396.3U CN201621073396U CN206077270U CN 206077270 U CN206077270 U CN 206077270U CN 201621073396 U CN201621073396 U CN 201621073396U CN 206077270 U CN206077270 U CN 206077270U
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- 238000012544 monitoring process Methods 0.000 claims description 10
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- 238000010586 diagram Methods 0.000 description 7
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Abstract
The utility model relates to a brushless DC motor control system based on singlechip, it includes STM32 core controller module, rotational speed given module, communication module, power module, PWM drive module, state acquisition module, drive protection module, intelligent power module IPM, brushless DC motor and motor state real-time supervision module. The method is characterized in that: STM32 core control ware module is used for brushless DC motor real time control, real-time running state's acquisition and with the real-time communication of host computer, intelligent power module IPM mainly is used for brushless DC motor's drive, provides protection function such as excessive pressure, overheated and under-voltage simultaneously, motor state real-time supervision module is used for signals such as voltage, electric current and the rotational speed of real-time collection motor, communication module specifically includes I2C interface module and UART interface module, realizes the data communication between STM32 core control ware and host computer, the terminal. The utility model discloses brushless DC motor control system's precision and stability can be improved.
Description
Technical field
This utility model is related to electric and electronic technical field, and in particular to a kind of SCM Based brshless DC motor control
System processed
Background technology
Dc motor is obtained because of its excellent speed governing, starting, braking ability in various electric drive systems in recent years
Be widely applied, but because direct current generator mechanical commutation occur spark the problems such as limit making for direct current generator in some places
With.Since 20 century 70s, power electronic devices is developed rapidly, is developed and is produced and various can control its conducting again energy
The wholly-controled device of its shut-off is controlled, the electrical switch being made up of them instead of mechanical commutation in direct current generator so that nothing
Brushless motor is gradually by large-scale application.
With the high speed development of science and technology, the species of all kinds of high performance controllers for motor control is more and more richer with function
Richness, arithmetic speed there has also been qualitative leap, and price is more and more cheaper, and for example ST Microelectronics produces
, dedicated for motor control singlechip chip, which is internal with motor control unit, powerful, its work for STM32F407 series
168MHz be can reach as dominant frequency, the real time control algorithms of function admirable on above-mentioned hardware foundation, can be realized completely, and compiled
Write kind monitoring software.
The content of the invention
The purpose of this utility model is to provide a kind of SCM Based brushless DC motor control system, by obtaining in real time
Power taking machine running state parameter, and with reference to the construction featuress of motor itself, for brshless DC motor provide reasonably, effectively,
Stable control program.
To reach above-mentioned purpose, the technical scheme adopted by this utility model for：
A kind of SCM Based brushless DC motor control system, including STM32 core controller modules, rotational speed setup
Module, communication module, power module, PWM drive modules, state acquisition module, drive protection module, intelligent power module,
Brshless DC motor and motor status real-time monitoring module.It is characterized in that：The STM32 core controllers module respectively with
Rotational speed setup module, communication module, power module, PWM drive modules, state acquisition module, driving protection module and motor
State real-time monitoring module is connected, for the acquisition of brshless DC motor real-time running state, brshless DC motor it is real-time
Control and the real-time Communication for Power with host computer, the intelligent power module respectively with power module, PWM drive modules, state
Acquisition module, driving protection module and brshless DC motor are connected, and are mainly used in the driving of brshless DC motor, while providing
The defencive function such as over-pressed, overheated and under-voltage, the motor status real-time monitoring module respectively with STM32 core controllers and brushless
Direct current generator is connected, for the signals such as the voltage of motor in real time, electric current and rotating speed, the communication module and STM32 cores
Controller is connected, and specifically includes I2C interface modules and UART interface module, realizes STM32 core controllers and host computer, terminal
Between data communication.
Described a kind of SCM Based brushless DC motor control system, it is characterised in that：The STM32 cores control
The concrete model of device processed is STM32F407ZGT6.
Described a kind of SCM Based brushless DC motor control system, it is characterised in that：The intelligent power mould
The concrete model of block IPM is IRAMS10UP60A.
Described a kind of SCM Based brushless DC motor control system, it is characterised in that：The motor status reality
When monitoring modular include voltage acquisition module, current acquisition module and rotating speed acquisition module, voltage acquisition module selects HCPL-
7800A isolated amplifiers, current acquisition module select CHB-300SF Hall current sensors, rotating speed acquisition module to select E6A2-
CS5C encoders.
Described a kind of SCM Based brushless DC motor control system, it is characterised in that：The communication module bag
Include I2C interface modules and UART interface module.
Compared with prior art, the utility model has the advantage of：This utility model is using STM32F407ZGT6 as this
The master controller of system, it is possible to increase the stability and control accuracy of brushless DC motor control system, with using DSP as master
The control system of controller is compared, and which has the advantages that low cost and maintainable good；Meanwhile, the system is in brshless DC motor
The double circle controling mode of current inner loop and rotating speed outer shroud is employed in the realization of control system, the robustness of system is improve,
And torque pulsation of the brshless DC motor in low speed is reduced, with preferably application and promotional value.
Description of the drawings
Fig. 1 is general structure schematic diagram of the present utility model
Fig. 2 is STM32 core controllers system block diagram of the present utility model
Fig. 3 is current detecting change-over circuit schematic diagram of the present utility model
Specific embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but, it is described herein excellent
Select embodiment to be merely to illustrate and explain this utility model, be not used to limit this utility model.
The general structure schematic diagram of the present embodiment is as shown in Figure 1, there is provided a kind of SCM Based brshless DC motor
Control system, including STM32 core controller modules, rotational speed setup module, communication module, power module, PWM drive modules,
State acquisition module, driving protection module, intelligent power module, brshless DC motor and motor status real-time monitoring mould
Block.Rotational speed setup module is used for the rotating speed of target of brushless DC motor control system and gives, when STM32 core controllers are received
During Setting signal, driving of the PWM drive modules realization to intelligent power module can be passed through, so as to realize brshless DC motor
Driving voltage is provided, when motor is in operation working condition, motor status real-time monitoring module is in real time to brshless DC motor
Rotating speed, the signal such as electric current and voltage carry out real-time detection, STM32 core controllers are led to by contrasting with target current
Overcurrent internal ring PI is adjusted and is realized that actual current and target current tend towards stability, while by rotating speed of target and the ratio of actual speed
Compared with being adjusted by outer shroud rotating speed PI and cause actual speed to tend to rotating speed of target, by such re-adjustments, real-time adjustment, finally
So that system reaches steady statue.Intelligent power module provides the defencive function such as over-pressed, overheated and under-voltage, is obtained by state
Real time status information is passed to STM32 core controllers by delivery block, while STM32 core controllers are by driving protection module reality
The now real-time guard to intelligent power module.Meanwhile, STM32 core controllers also with comprising I2C interfaces and UART interface
Communication module realizes the real-time Communication for Power with external equipment, improves the autgmentability of system.
The STM32 core controllers system block diagram of the present embodiment is as shown in Fig. 2 STM32F407ZGT6 is adopted for the system
The concrete model of kernel control chip, its peripheral circuit include that jtag interface, PWM waveform output interface, A/D conversions connect
Mouth, peripheral circuit, RAM/FLASH storages, reset circuit, clock circuit, power circuit, I2C communication interfaces and UART communication connects
Mouthful.
The current detecting change-over circuit schematic diagram of the present utility model of the present embodiment is as shown in figure 3, shown schematic diagram is with three
As a example by a phase in quite, other quarter-phase circuits are consistent with this, and the module adopts+15V and -15V power supplys as the confession of system
Piezoelectric voltage, its specified input current is 300A, output-current rating 150mA, and will be converted using current detecting change-over circuit
Signal send into STM32F407ZGT6 chips.Foregoing circuit is analyzed using analog circuit knowledge, voltage follower and anti-
Foregoing circuit, the such as following formula of the relation between output signal and input signal are constituted to adder：
IinAs the current sampling signal of system, act on through precision resistance and the electric capacity of 0.01uF that resistance is 200 Ω
Be changed into afterwards ± 5V it is interval in voltage signal, Vref choose -5V voltage, so as to ensure output voltage VoutBe on the occasion of.System is transported
By adjusting R31, and the pressure limiting circuit of 3.3V can be increased during row, it is ensured that it is defeated that what current signal can be stable is converted into 0～3.3V
Enter voltage signal.To eliminate the interference of other signals, the filter circuit composition low pass filter that R33 and C39 is constituted is designed, is eliminated
The outer microsignal interference such as switching device.
In sum, a kind of SCM Based brushless DC motor control system of this utility model above-described embodiment,
Advantage with conventional dedicated chip Brushless DC Motor Controller, i.e., special motor control mechanism, user-programmable, expansion
Exhibition ability is strong, powerful, while and overcome their respective shortcomings, such as peripheral hardware and bin is integrated in chip, can save
The number of components and parts in the area of printed circuit board (PCB), reduction system is saved, the ability and whole system of CPU processing datas is improve
Reliability, next STM32 single-chip microcomputer low cost, excellent performance so that the cost of whole control system is substantially reduced, market prospect
It is vast.
Finally it should be noted that：Embodiment in described above is only preferred implementation of the present utility model, not
For limiting this utility model, for those skilled in the art, without departing from this utility model structural principle
Under the premise of, some improvement and retouching can also be made, these improve and also should be regarded as protection domain of the present utility model with retouching.
Claims (5)
1. a kind of SCM Based brushless DC motor control system, including STM32 core controller module, rotational speed setup mould
Block, communication module, power module, PWM drive modules, state acquisition module, driving protection module, intelligent power module, nothing
Brushless motor and motor status real-time monitoring module, it is characterised in that：The STM32 core controllers module respectively with
Rotational speed setup module, communication module, power module, PWM drive modules, state acquisition module, driving protection module and motor
State real-time monitoring module is connected, for the acquisition of brshless DC motor real-time running state, brshless DC motor it is real-time
Control and the real-time Communication for Power with host computer, the intelligent power module respectively with power module, PWM drive modules, state
Acquisition module, driving protection module and brshless DC motor are connected, and are mainly used in the driving of brshless DC motor, while providing
The defencive function such as over-pressed, overheated and under-voltage, the motor status real-time monitoring module respectively with STM32 core controllers and brushless
Direct current generator is connected, for the signals such as the voltage of motor in real time, electric current and rotating speed, the communication module and STM32 cores
Controller is connected, and specifically includes I2C interface modules and UART interface module, realizes STM32 core controllers and host computer, terminal
Between data communication.
2. a kind of SCM Based brushless DC motor control system according to claim 1, it is characterised in that：It is described
The concrete model of STM32 core controllers is STM32F407ZGT6.
3. a kind of SCM Based brushless DC motor control system according to claim 1, it is characterised in that：It is described
The concrete model of intelligent power module is IRAMS10UP60A.
4. a kind of SCM Based brushless DC motor control system according to claim 1, it is characterised in that described
Motor status real-time monitoring module includes voltage acquisition module, current acquisition module and rotating speed acquisition module, voltage acquisition module
From HCPL-7800A isolated amplifiers, current acquisition module selects CHB-300SF Hall current sensors, rotating speed acquisition module
From E6A2-CS5C encoders.
5. a kind of SCM Based brushless DC motor control system according to claim 1, it is characterised in that：It is described
Communication module includes I2C interface modules and UART interface module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073396.3U CN206077270U (en) | 2016-09-22 | 2016-09-22 | Brushless direct current motor control system based on single chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073396.3U CN206077270U (en) | 2016-09-22 | 2016-09-22 | Brushless direct current motor control system based on single chip microcomputer |
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| CN206077270U true CN206077270U (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621073396.3U Expired - Fee Related CN206077270U (en) | 2016-09-22 | 2016-09-22 | Brushless direct current motor control system based on single chip microcomputer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086825A (en) * | 2017-06-24 | 2017-08-22 | 湖北汽车工业学院 | A kind of permagnetic synchronous motor closed-loop control system |
| CN109617459A (en) * | 2018-12-28 | 2019-04-12 | 江苏大学 | A kind of permanent magnet synchronous electric motor driving power plate circuit and its design method |
-
2016
- 2016-09-22 CN CN201621073396.3U patent/CN206077270U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086825A (en) * | 2017-06-24 | 2017-08-22 | 湖北汽车工业学院 | A kind of permagnetic synchronous motor closed-loop control system |
| CN109617459A (en) * | 2018-12-28 | 2019-04-12 | 江苏大学 | A kind of permanent magnet synchronous electric motor driving power plate circuit and its design method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20170922 |