CN203206165U - Brushless electromotor controlling device - Google Patents
Brushless electromotor controlling device Download PDFInfo
- Publication number
- CN203206165U CN203206165U CN 201320142532 CN201320142532U CN203206165U CN 203206165 U CN203206165 U CN 203206165U CN 201320142532 CN201320142532 CN 201320142532 CN 201320142532 U CN201320142532 U CN 201320142532U CN 203206165 U CN203206165 U CN 203206165U
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- chip microcomputer
- electromotor
- brushless
- circuit
- brushless electric
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Abstract
The utility model relates to a brushless electromotor controlling device comprising a one-chip microcomputer, an electromotor detection circuit, a control signal drive circuit, an electromotor control circuit, and a computer, wherein the electromotor detection circuit is connected with the one-chip microcomputer and is used for detecting a position and rotating speed of a brushless electromotor rotor, the control signal drive circuit is connected with the one-chip microcomputer and is used for amplifying pulse control signals output by the one-chip microcomputer, the electromotor control circuit is connected with the control signal drive circuit and used for driving the brushless electromotor to rotate, the computer is connected with the one-chip microcomputer through an RS232 interface and is used for setting and displaying position and rotating speed information of the brushless electromotor rotor, and an output end of the electromotor control circuit is connected with a power source end of the brushless electromotor. The electromotor detection circuit comprises a Hall sensor assembly which comprises a linear Hall sensor, 3-5 magnetic steels, and a counting device, wherein the linear Hall sensor is arranged on an inner wall edge of a brushless electromotor stator, the 3-5 magnetic steels are uniformly distributed on an edge of the brushless electromotor rotor, the counting device is connected with the Hall sensor, and the counting device is also connected with the one-chip microcomputer.
Description
Technical field
This practicality relates to a kind of brushless motor control device.
Background technology
In many institute's cycles, direct current machine has superior speed adjusting performance, is mainly manifested in the aspects such as speed governing makes things convenient for (but stepless speed regulation), speed-regulating range width, low-speed performance good (detent torque is large, starting current is little), operation balance, noise is low, efficient is high.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 how to make up brushless 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 technical problems to be solved in the utility model provides the brushless motor control device that a kind of adjusting speed accuracy is high and employing makes up.
In order to solve the problems of the technologies described above, the utility model provides a kind of brushless motor control device, comprise: single-chip microcomputer, link to each other with described single-chip microcomputer for detection of the position of brushless electric motor rotor and the motor detection circuit of rotating speed, the control signal drive circuit in order to the pulse control signal that amplifies the output of this single-chip microcomputer that links to each other with described single-chip microcomputer, the circuit for controlling motor that is used for driving described brushless electric machine rotation that links to each other with described control signal drive circuit is used for setting and shows the position of brushless electric motor rotor and the computer of rotary speed information by what the RS232 interface linked to each other with described single-chip microcomputer; The output of circuit for controlling motor links to each other with the power end of brushless electric machine.
Test the speed and position detection accuracy in order to improve, described motor detection circuit comprises hall sensor component; Described hall sensor component comprises: is located at the lienar for Hall element on the stator inner wall edge of described brushless electric machine, is uniformly distributed in the 3-5 piece magnet steel on the edge of described brushless electric motor rotor, and the counter that links to each other with described Hall element; Counter links to each other with described single-chip microcomputer.
Technique scheme of the present utility model has the following advantages compared to existing technology: one week of rotor, and the just output pulse corresponding with described magnet steel number of Hall element, thus can measure revolution (counter) in the unit interval, just can measure rotating speed.Simultaneously, if the position of precognition brushless electric motor rotor, just can calculate the approximate location of rotor; The computer that adopts is suitable for setting and showing position and the rotary speed information of brushless electric motor rotor; Adopt described motor detection circuit and single-chip microcomputer cooperating, rotating speed and the position of detection rotor make the pulse control signal of single-chip microcomputer output have real-time to improve adjusting speed accuracy in real time; Adopt Hall element to test the speed and position detection accuracy with raising, further improved adjusting speed accuracy; Adopt single-chip microcomputer to reduce cost, improved instruction and carried out rotating speed and adjusting speed accuracy.
Description of drawings
For content of the present utility model is more likely to be clearly understood, 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 brushless motor control device of the present utility model.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
The brushless motor control device of the present embodiment comprises: single-chip microcomputer, link to each other with described single-chip microcomputer for detection of the position of brushless electric motor rotor and the motor detection circuit of rotating speed, the control signal drive circuit in order to the pulse control signal that amplifies the output of this single-chip microcomputer that links to each other with described single-chip microcomputer, the circuit for controlling motor that is used for driving described brushless electric machine rotation that links to each other with described control signal drive circuit is used for setting and shows the position of brushless electric motor rotor and the computer of rotary speed information by what the RS232 interface linked to each other with described single-chip microcomputer; The output of circuit for controlling motor links to each other with the power end of brushless electric machine; Described motor detection circuit comprises hall sensor component.
Described hall sensor component comprises: is located at the lienar for Hall element on the stator inner wall edge of described brushless electric machine, is uniformly distributed in 4 blocks of magnet steel on the edge of described brushless electric motor rotor, and the counter that links to each other with described Hall element; Counter links to each other with described single-chip microcomputer.
Described circuit for controlling motor adopts the full-bridge type control circuit.
The method of work of this brushless motor control device: described single-chip microcomputer at first catches the high-speed pulse signal of the Hall element (being described motor detection circuit) on the DC motor rotor by the I/O port, the turned position of detection rotor, and send corresponding pulse control signal according to the position of rotor, described pulse 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 control signal drive circuit.
Described single-chip microcomputer can also adopt arm processor to substitute.
Described single-chip microcomputer also be connected with for the wireless communication module of remote computer communication, to realize remote wireless control; This wireless communication module is GSM or 3G or WIFI communication module.
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. brushless motor control device, it is characterized in that comprising: single-chip microcomputer, link to each other with described single-chip microcomputer for detection of the position of brushless electric motor rotor and the motor detection circuit of rotating speed, the control signal drive circuit in order to the pulse control signal that amplifies the output of this single-chip microcomputer that links to each other with described single-chip microcomputer, the circuit for controlling motor that is used for driving described brushless electric machine rotation that links to each other with described control signal drive circuit is used for setting and shows the position of brushless electric motor rotor and the computer of rotary speed information by what the RS232 interface linked to each other with described single-chip microcomputer; The output of circuit for controlling motor links to each other with the power end of brushless electric machine;
Described motor detection circuit comprises hall sensor component;
Described hall sensor component comprises: is located at the lienar for Hall element on the stator inner wall edge of described brushless electric machine, is uniformly distributed in the 3-5 piece magnet steel on the edge of described brushless electric motor rotor, and the counter that links to each other with described Hall element; Counter links to each other with described single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142532 CN203206165U (en) | 2013-03-26 | 2013-03-26 | Brushless electromotor controlling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320142532 CN203206165U (en) | 2013-03-26 | 2013-03-26 | Brushless electromotor controlling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203206165U true CN203206165U (en) | 2013-09-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320142532 Expired - Fee Related CN203206165U (en) | 2013-03-26 | 2013-03-26 | Brushless electromotor controlling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203206165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407614A (en) * | 2014-10-23 | 2015-03-11 | 河北工业大学 | Four-wheel type indoor mobile robot |
-
2013
- 2013-03-26 CN CN 201320142532 patent/CN203206165U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104407614A (en) * | 2014-10-23 | 2015-03-11 | 河北工业大学 | Four-wheel type indoor mobile robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20140326 |