CN203206162U - DSP brushless direct current motor control device - Google Patents
DSP brushless direct current motor control device Download PDFInfo
- Publication number
- CN203206162U CN203206162U CN 201220465437 CN201220465437U CN203206162U CN 203206162 U CN203206162 U CN 203206162U CN 201220465437 CN201220465437 CN 201220465437 CN 201220465437 U CN201220465437 U CN 201220465437U CN 203206162 U CN203206162 U CN 203206162U
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- dsp
- direct current
- current motor
- speed
- dsp unit
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Abstract
The utility model relates to a DSP brushless direct current motor control device. The DSP brushless direct current motor control device includes a DSP unit, a detection unit which is connected with the DSP unit and is used for detecting the position and rotation speed of a rotor of a brushless direct current motor, a PWM signal driver which is connected with the DSP unit and is used for amplifying PWM control signals outputted by the DSP unit, and a direct current motor control circuit which is connected with the PWM signal driver and is used for driving the brushless direct current motor to rotate; a Hall sensor is adopted as the detection unit; and the DSP unit captures high-speed pulse signals of the Hall element on the rotor of the brushless direct current motor through an I / O port. According to the DSP brushless direct current motor control device of the utility model, the detection unit works cooperatively with the DSP unit, and detects the rotation speed and position of the rotor real time, such that the PWM control signals outputted by the DSP unit can have a real-time property, as a result, the accuracy in speed adjustment can be improved; the Hall sensor is adopted to improve the accuracy in speed and position detection; and the DSP unit is adopted, such that cost can be reduced, and instruction execution speed and speed adjustment accuracy can be improved.
Description
Technical field
This practicality relates to a kind of DSP X in brushless DC motor control device.
Background technology
In many institute's cycles, direct current machine has superior speed adjusting performance, mainly shows aspects such as speed governing convenient (but stepless speed regulation), speed-regulating range width, low-speed performance good (detent torque is big, starting current is little), operation balance, noise are low, efficient height.At present brshless DC motor has been widely used in the variable speed drives of the servo-drive of feeding driving, robot of Digit Control Machine Tool and household electrical appliance of new generation.
Adopt DSP how to make up the X in brushless DC motor control device, further improve the combination property of control system, guaranteed that it is the technical barrier of this area that there is more superior control performance in system.
The utility model content
The DSP X in brushless DC motor control device that the technical problems to be solved in the utility model provides a kind of adjusting speed accuracy height and adopts DSP to make up.
In order to solve the problems of the technologies described above, the utility model provides a kind of DSP X in brushless DC motor control device, comprise: the DSP unit, link to each other with described DSP unit for detection of the position of brushless DC motor rotor and the detecting unit of speed, the pwm signal driver in order to the pwm control signal that amplifies the output of this DSP unit that links to each other with described DSP unit, the DC motor control circuit that is used for driving described brushless DC motor rotation that links to each other with described pwm signal driver.Described DC motor control circuit adopts the full-bridge type control circuit.
Further, test the speed and position detection accuracy in order to improve, described detecting unit adopts Hall element.Described DSP unit catches the high-speed pulse signal of the Hall element on the DC motor rotor by the I/O port.
Technique scheme of the present utility model has the following advantages compared to existing technology: (1) adopts described detecting unit and the work of DSP unit matching, rotating speed and the position of detection rotor make the pwm control signal of DSP unit output have real-time to improve adjusting speed accuracy in real time; (2) adopt Hall element to test the speed and position detection accuracy with raising, further improved adjusting speed accuracy; (3) adopt the DSP unit to reduce cost, improved instruction execution speed and adjusting speed accuracy.
Description of drawings
Content of the present utility model is easier clearly to be understood in order to make, below the specific embodiment and by reference to the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the structured flowchart of DSP X in brushless DC motor control device of the present utility model.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
A kind of DSP X in brushless DC motor control device, comprise: the DSP unit, link to each other with described DSP unit for detection of the position of brushless DC motor rotor and the detecting unit of speed, the pwm signal driver in order to the pwm control signal that amplifies the output of this DSP unit that links to each other with described DSP unit, the DC motor control circuit that is used for driving described brushless DC motor rotation that links to each other with described pwm signal driver.
Described detecting unit adopts Hall element.
Described DC motor control circuit adopts the full-bridge type control circuit.
The method of work of this DSP X in brushless DC motor control device: described DSP unit at first catches the high-speed pulse signal of the Hall element (being described detecting unit) on the DC motor rotor by the I/O port, the turned position of detection rotor, and send corresponding pwm control signal according to the position of rotor, described pwm control signal to change the conducting order of power tube in the full-bridge type control circuit (being direct current motor drive circuit), is realized the control to motor speed and rotation direction through the pwm signal driver.
Obviously, above-described embodiment only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (1)
1. DSP X in brushless DC motor control device, it is characterized in that comprising: the DSP unit, link to each other with described DSP unit for detection of the position of brushless DC motor rotor and the detecting unit of speed, the pwm signal driver in order to the pwm control signal that amplifies the output of this DSP unit that links to each other with described DSP unit, the DC motor control circuit that is used for driving described brushless DC motor rotation that links to each other with described pwm signal driver;
Described DC motor control circuit adopts the full-bridge type control circuit;
Described detecting unit adopts Hall element;
Described DSP unit catches the high-speed pulse signal of the Hall element on the DC motor rotor by the I/O port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465437 CN203206162U (en) | 2012-09-12 | 2012-09-12 | DSP brushless direct current motor control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220465437 CN203206162U (en) | 2012-09-12 | 2012-09-12 | DSP brushless direct current motor control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206162U true CN203206162U (en) | 2013-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220465437 Expired - Fee Related CN203206162U (en) | 2012-09-12 | 2012-09-12 | DSP brushless direct current motor control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203206162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953903A (en) * | 2015-06-30 | 2015-09-30 | 许继集团有限公司 | AC (alternating current) synchronous motor and overload protection method thereof |
-
2012
- 2012-09-12 CN CN 201220465437 patent/CN203206162U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104953903A (en) * | 2015-06-30 | 2015-09-30 | 许继集团有限公司 | AC (alternating current) synchronous motor and overload protection method thereof |
| CN104953903B (en) * | 2015-06-30 | 2017-08-22 | 许继集团有限公司 | A kind of ac synchronous motor and its overload protection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20170912 |