CN105577048A - Single-chip microcomputer brushless direct-current motor rotor position detecting protector - Google Patents
Single-chip microcomputer brushless direct-current motor rotor position detecting protector Download PDFInfo
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- CN105577048A CN105577048A CN201410625326.3A CN201410625326A CN105577048A CN 105577048 A CN105577048 A CN 105577048A CN 201410625326 A CN201410625326 A CN 201410625326A CN 105577048 A CN105577048 A CN 105577048A
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Abstract
The invention discloses a single-chip microcomputer brushless direct-current motor rotor position detecting protector. The protector includes an ATMEGA64 single-chip microcomputer, a 5V direct-current power source, an RS485 communication interface circuit, a data storage unit, a power driving module and a plurality of sensor assemblies; the input ends of the ATMEGA64 single-chip microcomputer are connected with a temperature sensor, a current sampling circuit and a key reset circuit; the output ends of the ATMEGA64 single-chip microcomputer are connected with a liquid crystal display circuit; each sensor assembly includes a first Hall sensor module, a first optocoupler isolation circuit, a second Hall sensor module, a second optocoupler isolation circuit, a third sensor Hall module and a third optocoupler isolation circuit which are uniformly distributed around a rotor; and the power driving module includes a fourth optocoupler isolation circuit, a power driving circuit and an over current protection circuit. The single-chip microcomputer brushless direct-current motor rotor position detecting protector of the invention has rotor position, temperature detection and current information detection functions. The single-chip microcomputer brushless direct-current motor rotor position detecting protector has the advantages of complete functions and high practicability.
Description
Technical field
The invention belongs to brshless DC motor resist technology field, be specifically related to SCM Based brushless DC motor rotor position probing protector.
Background technology
Modern science and technology progress, electron trade is maked rapid progress, all the time all changing in renewal, brshless DC motor is with its nothing friction, low interference, life-span is long, plurality of advantages such as the low and efficiency of maintenance cost is high and play key player in life and industrial system, such as treadmill, coil winding machine and military centrifuge etc., in so high-tech society, inevitable also just also have very high requirement to the control precision of product, so just can better realize the function needed for us, the precision controlled is more and more higher, the control of brshless DC motor is also just seemed abnormal important, each circle being accurate to rotor motion is every once, nowadays, the application surface of brshless DC motor is more and more wider, a kind of brushless direct current motor controller that accurately can control rotor motion is lacked in market, and because motor movement electric current is alternating current, lack a kind of brushless direct current motor controller with current protective device, the rotational position signal of rotor can be transmitted as single-chip microcomputer process by hall position sensor, and have single-chip microcomputer to send to external memory storage to preserve data, once power-off, memory just can know operation angle and the electric current of current brshless DC motor accurately, the precision controlled just is further enhanced, therefore design a brushless direct current motor controller to be necessary.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned deficiency of the prior art; SCM Based brushless DC motor rotor position probing protector is provided; it is rationally novel in design, and structure is simple, and cost is low; positional information is accurate; precision is high, stable performance, complete function; practical, be convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution used in the present invention is: SCM Based brushless DC motor rotor position probing protector, it is characterized in that: comprise ATMEGA64 single-chip microcomputer, 5V DC power supply, to connect with ATMEGA64 single-chip microcomputer and for the RS485 communication interface circuit of data communication, to connect with ATMEGA64 single-chip microcomputer and for the data storage cell of real-time storage brushless DC motor rotor position temperature and current data with for detecting and protecting the power driver module that brshless DC motor drives, and for multiple sensor clusters of real-time detection rotor positional information, the input of described ATMEGA64 single-chip microcomputer is connected to temperature sensor for detecting brushless DC motor rotor environment temperature information, for detecting the current sampling circuit of brshless DC motor control end loop current and reopening the key reset circuit of operation for fault recovery, the output of described ATMEGA64 single-chip microcomputer is connected to the liquid crystal display circuit for showing brushless DC motor rotor positional information environment temperature loop current information, described multiple sensor cluster comprises and is evenly laid in peritrochanteric for detecting the first Hall sensor module of brushless DC motor rotor positional information and connecting with the first Hall sensor module output and for the first optical coupling isolation circuit of anti-interference insulation blocking microcontroller, for detecting the second Hall sensor module of brushless DC motor rotor positional information and connecting with the second Hall sensor module output and for the second optical coupling isolation circuit of anti-interference insulation blocking microcontroller with for the 3rd Hall sensor module that detects brushless DC motor rotor positional information with to connect with the 3rd Hall sensor module output and for the 3rd optical coupling isolation circuit of anti-interference insulation blocking microcontroller, described first optical coupling isolation circuit, the output of the second optical coupling isolation circuit and the 3rd optical coupling isolation circuit all connects with ATMEGA64 single-chip microcomputer, described power driver module comprises and to connect with ATMEGA64 single-chip microcomputer output and for the 4th optical coupling isolation circuit of insulation blocking microcontroller, connects and for driving the power driving circuit of brshless DC motor and connecting with power driving circuit output and for the protection of the circuit overcurrent protection of drive circuit with the 4th optical coupling isolation circuit output, described ATMEGA64 single-chip microcomputer, RS485 communication interface circuit, the first Hall sensor module, the first optical coupling isolation circuit, the second Hall sensor module, the second optical coupling isolation circuit, the 3rd Hall sensor module, the 3rd optical coupling isolation circuit, the 4th optical coupling isolation circuit, data storage cell, temperature sensor, current sampling circuit and liquid crystal display circuit all connect with the 5V DC voltage output end of 5V DC power supply.
Above-mentioned SCM Based brushless DC motor rotor position probing protector, is characterized in that: described ATMEGA64 single-chip microcomputer is ATMEGA64 chip.
Above-mentioned SCM Based brushless DC motor rotor position probing protector, is characterized in that: the first chip that described first Hall sensor module is SS495A1 by model is formed; The second chip that described second Hall sensor module is SS495A1 by model is formed; The 3rd chip that described 3rd Hall sensor module is SS495A1 by model is formed.
Above-mentioned SCM Based brushless DC motor rotor position probing protector, is characterized in that: the 4th chip that described first optical coupling isolation circuit is TLP5211 by model is formed; The 5th chip that described second optical coupling isolation circuit is TLP5211 by model is formed; The 6th chip that described 3rd optical coupling isolation circuit is TLP5211 by model is formed; The 7th chip that described 4th optical coupling isolation circuit is TLP5211 by model is formed.
Above-mentioned SCM Based brushless DC motor rotor position probing protector, is characterized in that: described power driving circuit is IRF640NPBF chip.
The present invention compared with prior art has the following advantages:
1, Control protection system control precision of the present invention is high, controls little, the feature richness of power, stable performance and cost low.
2, the present invention is that SS495A1 hall position sensor gathers brushless DC motor rotor rotational position signal by arranging multiple model, and therefore positional information is accurate, and precision is high, produces signal stabilization, practical.
3, the present invention is TLP-521 optical coupling isolation circuit isolated location transducer and single-chip microcomputer by arranging multiple model, and protection single-chip microcomputer Received signal strength, isolation avoids interference, and system rejection to disturbance is strong, stable output signal.
4, the present invention gathers Brushless DC Motor Position signal and current signal by single-chip microcomputer, adopts ATMEGA64 single-chip microcomputer current signal that process obtains and position signalling, and preserves into memory, and adopt single-chip microcomputer low in energy consumption, perfect in shape and function, processing speed is fast.
5, structural integrity of the present invention, reasonable in design, perfect in shape and function, stability is strong, and result of use is good, practical, is convenient to promote the use of.
In sum, the present invention is rationally novel in design, and structure is simple, and cost is low, and positional information is accurate, and precision is high, stable performance, and complete function is practical, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the circuit connecting relation schematic diagram of each circuit of the present invention.
Description of reference numerals:
1-ATMEGA64 single-chip microcomputer; 2-RS485 communication interface circuit;
3-the first Hall sensor module; 4-the first optical coupling isolation circuit;
5-the second Hall sensor module; 6-the second optical coupling isolation circuit;
7-the three Hall sensor module; 8-the three optical coupling isolation circuit;
9-the four optical coupling isolation circuit; 10-power driving circuit; 11-circuit overcurrent protection;
12-data storage cell; 13-temperature sensor; 14-current sampling circuit;
15-key reset circuit; 16-liquid crystal display circuit, 17-5V DC power supply.
Embodiment
As shown in Figure 1, the present invention includes ATMEGA64 single-chip microcomputer 1,5V DC power supply 17, to connect with ATMEGA64 single-chip microcomputer 1 and for the RS485 communication interface circuit 2 of data communication, to connect with ATMEGA64 single-chip microcomputer 1 and for the data storage cell 12 of real-time storage brushless DC motor rotor position temperature and current data with for detecting and protecting the power driver module that brshless DC motor drives, and for multiple sensor clusters of real-time detection rotor positional information, the input of described ATMEGA64 single-chip microcomputer 1 is connected to temperature sensor 13 for detecting brushless DC motor rotor environment temperature information, for detecting the current sampling circuit 14 of brshless DC motor control end loop current and reopening the key reset circuit 15 of operation for fault recovery, the output of described ATMEGA64 single-chip microcomputer 1 is connected to the liquid crystal display circuit 16 for showing brushless DC motor rotor positional information environment temperature loop current information, described multiple sensor cluster comprises and is evenly laid in peritrochanteric for detecting the first Hall sensor module 3 of brushless DC motor rotor positional information and connecting with the first Hall sensor module 3 output and for the first optical coupling isolation circuit 4 of anti-interference insulation blocking microcontroller, for detecting the second Hall sensor module 5 of brushless DC motor rotor positional information and connecting with the second Hall sensor module 5 output and for the second optical coupling isolation circuit 6 of anti-interference insulation blocking microcontroller with for the 3rd Hall sensor module 7 that detects brushless DC motor rotor positional information with to connect with the 3rd Hall sensor module 7 output and for the 3rd optical coupling isolation circuit 8 of anti-interference insulation blocking microcontroller, described first optical coupling isolation circuit 4, the output of the second optical coupling isolation circuit 6 and the 3rd optical coupling isolation circuit 8 all connects with ATMEGA64 single-chip microcomputer 1, described power driver module comprises and to connect with ATMEGA64 single-chip microcomputer 1 output and for the 4th optical coupling isolation circuit 9 of insulation blocking microcontroller, connects and for driving the power driving circuit 10 of brshless DC motor and connecting with power driving circuit 10 output and for the protection of the circuit overcurrent protection 11 of drive circuit with the 4th optical coupling isolation circuit 9 output, described ATMEGA64 single-chip microcomputer 1, RS485 communication interface circuit 2, first Hall sensor module 3, first optical coupling isolation circuit 4, second Hall sensor module 5, second optical coupling isolation circuit 6, the 3rd Hall sensor module 7, the 3rd optical coupling isolation circuit 8, the 4th optical coupling isolation circuit 9, data storage cell 12, temperature sensor 13, current sampling circuit 14 and liquid crystal display circuit 16 all connect with the 5V DC voltage output end of 5V DC power supply 17.
In the present embodiment, described ATMEGA64 single-chip microcomputer 1 is ATMEGA64 chip.
In the present embodiment, the first chip that described first Hall sensor module 3 is SS495A1 by model is formed; The second chip that described second Hall sensor module 5 is SS495A1 by model is formed; The 3rd chip that described 3rd Hall sensor module 7 is SS495A1 by model is formed.
In the present embodiment, the 4th chip that described first optical coupling isolation circuit 4 is TLP5211 by model is formed; The 5th chip that described second optical coupling isolation circuit 6 is TLP5211 by model is formed; The 6th chip that described 3rd optical coupling isolation circuit 8 is TLP5211 by model is formed; The 7th chip that described 4th optical coupling isolation circuit 9 is TLP5211 by model is formed.
In the present embodiment, described power driving circuit 10 is IRF640NPBF chip.
When the present invention uses, by all gathering the positional information of rotor turns with the multiple Hall elements be laid in around brushless DC motor rotor, and multiple Hall element is respectively by coupled optical coupling isolation circuit isolation voltage, ensure the deal with data that the information interference noise little protection microcontroller of input is precise and stable, due to when load excessive or can not cause big current when deployed and power driving circuit is burnt, therefore this protector is by the current data of the real-time measure loop of current collection circuit, shown intuitively by liquid crystal, when electric current increase suddenly with regard to be likely the excessive circuit overcurrent protection of load 11 by buffering afterflow to circuit in the big current that produces dredge to protect power driving circuit 10 and ATMEG64 single-chip microcomputer not to be burnt, when transshipping, during under-voltage or improper use, brshless DC motor usually all can increase electric current and generate heat simultaneously, therefore this protector gathers brushless DC motor rotor environment temperature by temperature sensor, temperature sensor 13 has the features such as highly sensitive detection speed is fast, the ruuning situation of brushless DC motor rotor can be reacted in time, data storage cell 12 adopts power down to preserve the pin-saving chip of data, to the positional information of brushless DC motor rotor, current data and ambient temperature carry out real-time preservation, fault is investigated timely when ensureing that brshless DC motor breaks down by several data, reduce loss.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure change, all still belong in the protection range of technical solution of the present invention.
Claims (5)
1. SCM Based brushless DC motor rotor position probing protector, it is characterized in that: comprise ATMEGA64 single-chip microcomputer (1), 5V DC power supply (17), to connect with ATMEGA64 single-chip microcomputer (1) and for the RS485 communication interface circuit (2) of data communication, to connect with ATMEGA64 single-chip microcomputer (1) and for the data storage cell (12) of real-time storage brushless DC motor rotor position temperature and current data with for detecting and protecting the power driver module that brshless DC motor drives, and for multiple sensor clusters of real-time detection rotor positional information, the input of described ATMEGA64 single-chip microcomputer (1) is connected to temperature sensor (13) for detecting brushless DC motor rotor environment temperature information, for detecting the current sampling circuit (14) of brshless DC motor control end loop current and reopening the key reset circuit (15) of operation for fault recovery, the output of described ATMEGA64 single-chip microcomputer (1) is connected to the liquid crystal display circuit (16) for showing brushless DC motor rotor positional information environment temperature loop current information, described multiple sensor cluster comprises and is evenly laid in peritrochanteric for detecting first Hall sensor module (3) of brushless DC motor rotor positional information and connecting with the first Hall sensor module (3) output and for first optical coupling isolation circuit (4) of anti-interference insulation blocking microcontroller, for detecting second Hall sensor module (5) of brushless DC motor rotor positional information and connecting with the second Hall sensor module (5) output and for second optical coupling isolation circuit (6) of anti-interference insulation blocking microcontroller with for the 3rd Hall sensor module (7) that detects brushless DC motor rotor positional information with to connect with the 3rd Hall sensor module (7) output and for the 3rd optical coupling isolation circuit (8) of anti-interference insulation blocking microcontroller, described first optical coupling isolation circuit (4), the output of the second optical coupling isolation circuit (6) and the 3rd optical coupling isolation circuit (8) all connects with ATMEGA64 single-chip microcomputer (1), described power driver module comprises and to connect with ATMEGA64 single-chip microcomputer (1) output and for the 4th optical coupling isolation circuit (9) of insulation blocking microcontroller, connects and for driving the power driving circuit of brshless DC motor (10) and connecting with power driving circuit (10) output and for the protection of the circuit overcurrent protection (11) of drive circuit with the 4th optical coupling isolation circuit (9) output, described ATMEGA64 single-chip microcomputer (1), RS485 communication interface circuit (2), first Hall sensor module (3), first optical coupling isolation circuit (4), second Hall sensor module (5), second optical coupling isolation circuit (6), 3rd Hall sensor module (7), 3rd optical coupling isolation circuit (8), 4th optical coupling isolation circuit (9), data storage cell (12), temperature sensor (13), current sampling circuit (14) and liquid crystal display circuit (16) all connect with the 5V DC voltage output end of 5V DC power supply (17).
2. according to SCM Based brushless DC motor rotor position probing protector according to claim 1, it is characterized in that: described ATMEGA64 single-chip microcomputer (1) is ATMEGA64 chip.
3. according to SCM Based brushless DC motor rotor position probing protector according to claim 1, it is characterized in that: the first chip that described first Hall sensor module (3) is SS495A1 by model is formed; The second chip that described second Hall sensor module (5) is SS495A1 by model is formed; The 3rd chip that described 3rd Hall sensor module (7) is SS495A1 by model is formed.
4. according to SCM Based brushless DC motor rotor position probing protector according to claim 1, it is characterized in that: the 4th chip that described first optical coupling isolation circuit (4) is TLP5211 by model is formed; The 5th chip that described second optical coupling isolation circuit (6) is TLP5211 by model is formed; The 6th chip that described 3rd optical coupling isolation circuit (8) is TLP5211 by model is formed; The 7th chip that described 4th optical coupling isolation circuit (9) is TLP5211 by model is formed.
5. according to SCM Based brushless DC motor rotor position probing protector according to claim 1, it is characterized in that: described power driving circuit (10) is IRF640NPBF chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625326.3A CN105577048A (en) | 2014-11-08 | 2014-11-08 | Single-chip microcomputer brushless direct-current motor rotor position detecting protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410625326.3A CN105577048A (en) | 2014-11-08 | 2014-11-08 | Single-chip microcomputer brushless direct-current motor rotor position detecting protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105577048A true CN105577048A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410625326.3A Pending CN105577048A (en) | 2014-11-08 | 2014-11-08 | Single-chip microcomputer brushless direct-current motor rotor position detecting protector |
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| CN (1) | CN105577048A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217750A (en) * | 2018-08-22 | 2019-01-15 | 广州市雅江光电设备有限公司 | A kind of self-alignment method of stepper motor |
-
2014
- 2014-11-08 CN CN201410625326.3A patent/CN105577048A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217750A (en) * | 2018-08-22 | 2019-01-15 | 广州市雅江光电设备有限公司 | A kind of self-alignment method of stepper motor |
| CN109217750B (en) * | 2018-08-22 | 2020-06-16 | 广州市雅江光电设备有限公司 | Self-calibration method of stepping motor |
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Application publication date: 20160511 |