CN102957367A - DC (Direct Current) brushless constant-speed controller for electric vehicle - Google Patents
DC (Direct Current) brushless constant-speed controller for electric vehicle Download PDFInfo
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- CN102957367A CN102957367A CN2012103526772A CN201210352677A CN102957367A CN 102957367 A CN102957367 A CN 102957367A CN 2012103526772 A CN2012103526772 A CN 2012103526772A CN 201210352677 A CN201210352677 A CN 201210352677A CN 102957367 A CN102957367 A CN 102957367A
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Abstract
The invention provides a DC (Direct Current) brushless constant-speed controller for an electric vehicle, comprising a switching voltage stabilizer unit, a speed adjusting signal unit, a brake power-off unit, a pulse width modulation unit and a multipath power amplification unit. The DC brushless constant-speed controller further comprises a microprocessor control unit, a multipath power driving unit and a Hall signal unit; the output end of the switching voltage stabilizer unit is connected with the microprocessor control unit; the speed adjusting signal unit and the brake power-off unit are all connected with the microprocessor control unit; the output end of the microprocessor control unit is connected with the pulse width modulation unit, the multipath power driving unit and the multipath power amplification unit; and the Hall signal unit receives motor signals and feeds the motor signals back to the microprocessor control unit. The DC brushless constant-speed controller for the electric vehicle provided by the invention achieves the constant speed function of the electric vehicle by adopting intelligent control technology, so that the motor torque is stable; the electric vehicle is not influenced by external factors during running, and the riding speed can basically keep consistent; and the DC brushless constant-speed controller is simply operated, easily implemented and controlled by a single chip microcomputer.
Description
Technical field
The present invention relates to a kind of electric vehicle control technology, especially a kind of controller for electric vehicle with constant speed function.
Background technology
Adopt at present the electric motor car of dc brushless motor, because of reasons such as mechanical characteristics of motor and efficient, be subjected to the factor affecting such as load, wind speed larger during the electric motor car operation, load is large, wind speed is large or when climbing riding speed partially slow, speed when descending, sometimes fast and sometimes slow when riding, the comfortableness of riding is relatively poor.If want to improve mechanical characteristics of motor and efficient, then can increase the manufacturing cost of motor.Along with riding to electric motor car, the consumer requires constantly to promote, and will be more and more higher to the constant speed performance requirement of motor.
Summary of the invention
The technical problem to be solved in the present invention is to overcome existing defective, a kind of electric vehicle brush DC constant speed controller is provided, in the situation that do not change motor characteristic, detect in real time speed-regulating signal and the motor speed feedback signal is controlled motor speed by controller, realize the constant speed function of motor.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
A kind of electric vehicle brush DC of the present invention constant speed controller, comprise switching power supply unit, speed-regulating signal unit, brake power-off unit, pwm unit, multichannel power amplification unit, also comprise microprocessor control unit, multichannel power drive unit and hall signal unit, the output of described switching power supply unit connects microprocessor control unit; Described speed-regulating signal unit all is connected with microprocessor control unit with the brake power-off unit; The output of described microprocessor control unit connects pwm unit, multichannel power drive unit and multichannel power amplification unit; The motor signal is accepted in described hall signal unit, and feeds back to microprocessor control unit.
Further, described microprocessor control unit comprises speed comparison module, phase control module and PI module, described speed comparison module is connected with an end of PI module in microprocessor control unit, and the phase control module is connected with an other end of PI module; Described speed-regulating signal unit connects the speed comparison module in the microprocessor control unit; Described hall signal unit connects respectively speed comparison module and the phase control module that connects in the microprocessor control unit.
Electric vehicle brush DC constant speed controller provided by the invention adopts intelligent control technology, does not change in the motor characteristic situation, can realize electric motor car constant speed function, makes Motor torque more stable; Substantially can not be subjected to the factor affecting such as load capacity, wind speed during the electric motor car operation, load is large or little, wind speed large or hour riding speed can be consistent substantially; Method of operation is simple, is easy to realize Single-chip Controlling.
Description of drawings
Accompanying drawing is used to provide a further understanding of the present invention, and consists of the part of specification, is used for together with embodiments of the present invention explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of electric vehicle brush DC of the present invention constant speed controller;
Fig. 2 is the constant speed curve synoptic diagram of Common Controller;
Fig. 3 is the constant speed curve synoptic diagram of a kind of electric vehicle brush DC of the present invention constant speed controller.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, is not intended to limit the present invention.
A kind of electric vehicle brush DC constant speed controller as shown in Figure 1, comprise switching power supply unit 1, speed-regulating signal unit 2, brake power-off unit 3, pwm unit 5, multichannel power amplification unit 7, also comprise microprocessor control unit 4, multichannel power drive unit 6 and hall signal unit 8, the output of described switching power supply unit 1 connects microprocessor control unit 4; Described speed-regulating signal unit 2 all is connected with microprocessor control unit 4 with brake power-off unit 3; The output of described microprocessor control unit 4 connects pwm unit 5, multichannel power drive unit 6 and multichannel power amplification unit 7; The motor signal is accepted in described hall signal unit 8, and feeds back to microprocessor control unit 4; Described microprocessor control unit 4 comprises speed comparison module 41, phase control module 42 and PI module 43, be connected with an end of PI module 43 at microprocessor control unit 4 interior described speed comparison modules 41, phase control module 42 is connected with an other end of PI module 43; The speed comparison module 41 that described speed-regulating signal unit 2 connects in the microprocessor control unit 4; Described hall signal unit 8 connects respectively the speed comparison module 41 and phase control module 43 in the microprocessor control unit 4.
When working as shown in Figure 2, through the switching power supply modulation, convert supply voltage to 15V and 5V voltage, 5V is microprocessor control unit 4, multichannel power drive unit 6 and the power supply of each control section.Controller MCU detects speed-regulating signal n* and motor speed feedback signal n in real time, send into speed ratio very fast, if n is less than n*, controller MCU increases the phase angle by the PI adjustment module, output voltage with the increasing power module, increase motor speed, until the n that detects and n* when equating, stop to increase phase advance angle; When the n that detects less than the given n* of handgrip, the phase control module of controller MCU will reduce phase advance angle, to reduce the output voltage of power model, reduce motor speed, until the n that detects and n* when equating, stop to reduce phase advance angle; The final constant speed function that realizes motor.
Electric vehicle brush DC constant speed controller provided by the invention adopts intelligent control technology, does not change in the motor characteristic situation, can realize electric motor car constant speed function, makes Motor torque more stable; Substantially can not be subjected to the factor affecting such as load capacity, wind speed during the electric motor car operation, load is large or little, wind speed large or hour riding speed can be consistent substantially; Method of operation is simple, is easy to realize Single-chip Controlling.
The above only is the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment the present invention is had been described in detail, for a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. electric vehicle brush DC constant speed controller, comprise switching power supply unit, speed-regulating signal unit, brake power-off unit, pwm unit, multichannel power amplification unit, it is characterized in that: also comprise microprocessor control unit, multichannel power drive unit and hall signal unit, the output of described switching power supply unit connects microprocessor control unit;
Described speed-regulating signal unit all is connected with microprocessor control unit with the brake power-off unit;
The output of described microprocessor control unit connects pwm unit, multichannel power drive unit and multichannel power amplification unit;
The motor signal is accepted in described hall signal unit, and feeds back to microprocessor control unit.
2. a kind of electric vehicle brush DC constant speed controller according to claim 1, it is characterized in that: described microprocessor control unit comprises speed comparison module, phase control module and PI module, described speed comparison module is connected with an end of PI module in microprocessor control unit, and the phase control module is connected with an other end of PI module;
Described speed-regulating signal unit connects the speed comparison module in the microprocessor control unit;
Described hall signal unit connects respectively speed comparison module and the phase control module that connects in the microprocessor control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103526772A CN102957367A (en) | 2012-06-08 | 2012-09-20 | DC (Direct Current) brushless constant-speed controller for electric vehicle |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220270747 | 2012-06-08 | ||
| CN201220270747.5 | 2012-06-08 | ||
| CN2012103526772A CN102957367A (en) | 2012-06-08 | 2012-09-20 | DC (Direct Current) brushless constant-speed controller for electric vehicle |
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| Publication Number | Publication Date |
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| CN102957367A true CN102957367A (en) | 2013-03-06 |
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| CN2012103526772A Pending CN102957367A (en) | 2012-06-08 | 2012-09-20 | DC (Direct Current) brushless constant-speed controller for electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633916A (en) * | 2012-08-21 | 2014-03-12 | 山洋电气株式会社 | Motor control apparatus |
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| CN101073193A (en) * | 2004-06-10 | 2007-11-14 | 国际整流器公司 | Method for controlling an electric motor to reduce emi |
| US20090230904A1 (en) * | 2007-05-01 | 2009-09-17 | Alberkrack Jade H | Noise suppression for hall sensor arrangements |
| CN101741299A (en) * | 2010-01-20 | 2010-06-16 | 哈尔滨工业大学 | Method for regulating speed of brushless direct current motor supplied with power by four-switch three-phase inverter |
| CN201813339U (en) * | 2010-06-30 | 2011-04-27 | 南开大学 | Brushless direct current (DC) motor control system based on digital signal processor (DSP) |
| CN102045014A (en) * | 2010-11-29 | 2011-05-04 | 辽宁工业大学 | Brushless DC motor controller for four-wheel independently driven electric automobile and control method thereof |
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2012
- 2012-09-20 CN CN2012103526772A patent/CN102957367A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101073193A (en) * | 2004-06-10 | 2007-11-14 | 国际整流器公司 | Method for controlling an electric motor to reduce emi |
| US20090230904A1 (en) * | 2007-05-01 | 2009-09-17 | Alberkrack Jade H | Noise suppression for hall sensor arrangements |
| CN101741299A (en) * | 2010-01-20 | 2010-06-16 | 哈尔滨工业大学 | Method for regulating speed of brushless direct current motor supplied with power by four-switch three-phase inverter |
| CN201813339U (en) * | 2010-06-30 | 2011-04-27 | 南开大学 | Brushless direct current (DC) motor control system based on digital signal processor (DSP) |
| CN102045014A (en) * | 2010-11-29 | 2011-05-04 | 辽宁工业大学 | Brushless DC motor controller for four-wheel independently driven electric automobile and control method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633916A (en) * | 2012-08-21 | 2014-03-12 | 山洋电气株式会社 | Motor control apparatus |
| CN103633916B (en) * | 2012-08-21 | 2018-10-02 | 山洋电气株式会社 | Control device of electric motor |
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Application publication date: 20130306 |