CN105978421B - Motor operation controller, method and system - Google Patents
Motor operation controller, method and system Download PDFInfo
- Publication number
- CN105978421B CN105978421B CN201610477977.1A CN201610477977A CN105978421B CN 105978421 B CN105978421 B CN 105978421B CN 201610477977 A CN201610477977 A CN 201610477977A CN 105978421 B CN105978421 B CN 105978421B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/06—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current
- H02P7/18—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power
- H02P7/24—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices
- H02P7/28—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices
- H02P7/285—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only
- H02P7/29—Arrangements for regulating or controlling the speed or torque of electric DC motors for regulating or controlling an individual dc dynamo-electric motor by varying field or armature current by master control with auxiliary power using discharge tubes or semiconductor devices using semiconductor devices controlling armature supply only using pulse modulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/04—Arrangements or methods for the control of AC motors characterised by a control method other than vector control specially adapted for damping motor oscillations, e.g. for reducing hunting
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention belongs to technical field of motors, the present invention provides motor operation controller, method and system, motor operation controller connects electric machine controller and motor drive module, motor operation controller includes: time delay module, for receiving the first enable signal of electric machine controller transmission, and the second enable signal is obtained after carrying out delay preset time to the first enable signal；Square-wave signal obtains module, for obtaining square-wave signal according to the first enable signal and the second enable signal；Switching signal obtains module; for receiving the pwm signal of electric machine controller transmission; pwm signal is turned off according to square-wave signal; turn-off time determines by delay time, so that after the motor being currently running stops, then open pwm signal; again electric motor starting is allowed; impact of the high current to circuit is reduced, while protecting motor, improves the service life of motor.
Description
Technical field
The invention belongs to technical field of motors more particularly to motor operation controllers, method and system.
Background technique
Existing brshless DC motor is during operating, it is often necessary to change rotation direction, the prior art is to electricity
When the rotation direction of machine is changed, it will usually over-current phenomenon avoidance occur, cause the vibration that motor is strong, reduce the use of motor
There is the vibration that over-current phenomenon avoidance causes motor strong in conclusion existing in the prior art in service life when changing motor rotation direction
The problem of.
Summary of the invention
The present invention provides motor operation controller, method and system, changes motor fortune to solve to exist in the prior art
Turn occur the problem of over-current phenomenon avoidance leads to motor strong vibration when direction.
First aspect present invention provides a kind of motor operation controller, and the rotation direction control device connects motor control
Device and motor drive module processed, the rotation direction control device include:
Time delay module, for receive electric machine controller transmission the first enable signal, and to first enable signal into
The second enable signal is obtained after row delay preset time and is output it；
Square-wave signal obtains module, for obtaining square wave letter according to first enable signal and second enable signal
Number and output it；
Switching signal obtains module, for receiving the pwm signal of electric machine controller transmission, and according to the pwm signal and
The square-wave signal obtains switch control signal, and the switch control signal is sent to motor drive module, so that described
Motor drive module changes rotation direction according to the switch control signal and the first enable signal driving motor.
With reference to first aspect, as the first embodiment of first aspect, the signal input part of the time delay module connects
The first signal output end of the electric machine controller is connect, the signal output end of the time delay module connects the square-wave signal and obtains
First signal input part of module；
The time delay module includes first resistor and first capacitor, and the first end of the first resistor is the time delay module
Signal input part, the second end of the first resistor connects the first end of the first capacitor, the second of the first capacitor
End ground connection, the second end of the first resistor are the signal output end of the time delay module.
The first embodiment with reference to first aspect, as second of embodiment of first aspect, the square wave letter
The second signal input terminal for number obtaining module connects the first signal output end of the electric machine controller, and the square-wave signal obtains
The signal output end of module connects the first signal input part that the switching signal obtains module；
It includes XOR gate and NOT gate that the square-wave signal, which obtains module, and the first input end of the XOR gate is the square wave
First signal input part of signal acquisition module, the second input terminal of the XOR gate are that the square-wave signal obtains the of module
Binary signal input terminal, the output end of the XOR gate connect the input terminal of the NOT gate, and the output end of the NOT gate is the side
The signal output end of wave signal acquisition module.
Second of embodiment with reference to first aspect, as the third embodiment of first aspect, the switch letter
The second signal input terminal for number obtaining module connects the second signal output end of the electric machine controller, and the switching signal obtains
The signal output end of module connects the motor drive module；
It is to obtain module with door, the first input end with door for the switching signal that the switching signal, which obtains module,
The first signal input part, second input terminal with door is the second signal input terminal that the switching signal obtains module,
The output end with door is the signal output end that the switching signal obtains module.
Second aspect of the present invention provides a kind of motor operating control system, and the motor operating control system includes above-mentioned
On the one hand motor operation controller, electric machine controller and the motor drive module provided.
Third aspect present invention provides a kind of motor method for controlling of operation, and the motor method for controlling of operation includes following step
It is rapid:
The first enable signal that electric machine controller is sent is received, and delay preset time is carried out to first enable signal
After obtain the second enable signal；
Square-wave signal is obtained according to first enable signal and second enable signal；
The pwm signal that electric machine controller is sent is received, and switch control is obtained according to the pwm signal and the square-wave signal
Signal processed, and the switch control signal is sent to motor drive module, so that the motor drive module is opened according to
It closes control signal and the first enable signal driving motor changes rotation direction.
In conjunction with the third aspect, as the first embodiment of the third aspect, it is described according to first enable signal and
Second enable signal obtains the step of square-wave signal specifically:
Carry out reverse phase operation again after carrying out XOR operation to first enable signal and second enable signal to obtain
Take square-wave signal.
It is described according to the pwm signal and the side as second of embodiment of the third aspect in conjunction with the third aspect
The step of wave signal acquisition switch control signal specifically:
The pwm signal and the square-wave signal are carried out and operation is to obtain switch control signal.
Motor operation controller provided by the invention, method and system, when carrying out postponing default to the first enable signal
Between obtain the second enable signal, generate square-wave signal further according to the first enable signal and the second enable signal, then by square-wave signal
With the common input switch signal acquisition module of pwm signal of electric machine controller output, pwm signal is turned off according to square-wave signal, is closed
The disconnected time determines by delay time, so that after the motor being currently running stops, then pwm signal is opened, allow motor to open again
It is dynamic, impact of the high current to circuit is reduced, while protecting motor, improves the service life of motor.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the motor operation controller that an embodiment of the present invention provides；
Fig. 2 is the circuit diagram for the motor operation controller that an embodiment of the present invention provides；
Fig. 3 is the emulation electricity of time delay module and XOR gate in the motor operation controller of an embodiment of the present invention offer
Lu Tu；
Fig. 4 is the test waveform figure of artificial circuit in Fig. 3；
Fig. 5 is the flow chart for the motor method for controlling of operation that another embodiment of the invention provides.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is to explain the present invention, and do not have to
It is of the invention in limiting.In order to illustrate technical solutions according to the invention, the following is a description of specific embodiments.
The embodiment of the present invention provides a kind of motor operation controller 10, as shown in Figure 1, motor operation controller 10 connects
Electric machine controller 20 and motor drive module 30 are connect, motor operation controller 10 includes:
Time delay module 101, for receive electric machine controller 20 transmission the first enable signal, and to the first enable signal into
The second enable signal is obtained after row delay preset time and is output it；
Square-wave signal obtains module 102, for obtaining square-wave signal simultaneously according to the first enable signal and the second enable signal
It outputs it；
Switching signal obtains module 103, for receiving the pwm signal of the transmission of electric machine controller 20, and according to pwm signal and
Square-wave signal obtains switch control signal, and switch control signal is sent to motor drive module 30, so that motor driven mould
Block 30 changes rotation direction according to switch control signal and the first enable signal driving motor.
The embodiment of the present invention by by MCU (electric machine controller 20) output come the first enable signal (F/R signal) progress
Delay obtains the second enable signal, square-wave signal is obtained according to the first enable signal and the second enable signal, according to square-wave signal
Pwm signal is controlled by some gate circuits, so that MCU is not needed shutdown pwm signal in control, does not also need MCU to letter
Number carry out delay disposal, by be directly changed R/F signal can make motor stop further along opposite direction restart, both protected
Circuit has been protected, and has protected motor.
For time delay module 101, it acts as postpone to the first enable signal.
Specifically, as shown in Fig. 2, the first signal of the signal input part connection electric machine controller 20 of time delay module 101 is defeated
Outlet, the first signal input part of the signal output end connection square wave signal acquisition module 102 of time delay module 101；
Time delay module 101 includes first resistor R1 and first capacitor C1, and the first end of first resistor R1 is time delay module 101
Signal input part, first resistor R1 second end connection first capacitor C1 first end, first capacitor C1 second end ground connection,
The second end of first resistor R1 is the signal output end of time delay module 101.
Module 102 is obtained for square-wave signal, it acts as carry out exclusive or to the first enable signal and the second enable signal
Reverse phase operation is carried out after operation again to obtain square-wave signal.
Specifically, square-wave signal obtains the first signal of the second signal input terminal connection electric machine controller 20 of module 102
Output end, square-wave signal obtain the first signal input of the signal output end connection switch signal acquisition module 103 of module 102
End；
It includes XOR gate U1 and NOT gate U2 that square-wave signal, which obtains module 102, and the first input end of XOR gate U1 is square wave letter
The first signal input part of module 102 number is obtained, the second input terminal of XOR gate U1 is that square-wave signal obtains the second of module 102
Signal input part, the input terminal of the output end connection NOT gate U2 of XOR gate U1, the output end of NOT gate U2 is that square-wave signal obtains mould
The signal output end of block 102.
Module 103 is obtained for switching signal, it acts as carry out pwm signal and square-wave signal and operation is to obtain out
Close control signal.
Specifically, switching signal obtains the second signal of the second signal input terminal connection electric machine controller 20 of module 103
Output end, the signal output end that switching signal obtains module 103 connect motor drive module 30；
It is with door U3 that switching signal, which obtains module 103, and the first input end with door U3 is that switching signal obtains module 103
First signal input part, the second input terminal with door U3 is the second signal input terminal that switching signal obtains module 103, with door U3
Output end be switching signal obtain module 103 signal output end.
For motor drive module 30, specifically, BLDC1 is brshless DC motor, three-phase U, V, W connect external metal-oxide-semiconductor
6 tunnel difference hall signals of SLA5064, BLDC1 output connect brshless DC motor predrive chip NJM2624A, control brushless
External metal-oxide-semiconductor need to be added when direct current generator, this circuit design uses SLA5064 to manage for external driving MSO, and R61 effect is to eliminate nothing
Caused peak current when brushless motor starting and stall.
The course of work of the embodiment of the present invention are as follows: MCU exports R/F signal, by first resistor R1R1 and first capacitor
After the RC retardation ratio circuit that C1C1 is combined, signal can become delay, and the R/F signal after original R/F signal and delay is input to simultaneously
Square-wave signal obtains in the XOR gate U1 in module 102, and due to there is signal delay, 1, the 2 foot input signals of XOR gate U1 are different
Sample, 3 foot output signals will convert, and it is XOR gate U1 truth table by table 1, in conjunction with RC circuit that conversion time, which is T=R × C,
As long as the 3 feet output of XOR gate U1 is all a square wave, and the size of square wave is determined by RC circuit it is known that R/F signal intensity
Fixed, RC value is bigger, and square width is bigger, the acquisition side after obtaining the NOT gate U2 reverse phase transformation in module 102 by square-wave signal
Wave signal.
1 XOR gate U1 truth table of table
Circuit simulation is carried out for R/F signal, artificial circuit is as shown in figure 3, the waveform of test is as shown in Figure 4.VG1 is arteries and veins
Rush generator, VF1 test is that R/F changes nyctitropic waveform, and VF2 test is the waveform exported after RC circuit, VF3 test
For exclusive or output waveform.When the waveform for the output tested from VF3 can be seen that F/R and switch to low level by high level, VF3 test
Output square wave size be 70ms, when F/R switchs to high level by ground level, VF3 export square wave size be 50ms, in conversion process
In, square wave is both greater than 30ms, and greater than motor in the time for running to stopping, this is the target value of this circuit design.
Square-wave signal signal after phase inverter 74LV14A is low level and the PWM letter that electric machine controller 20 exports on the contrary
Number common input and door U3, at this moment can turn off pwm signal, the turn-off time is determined by delay time T size, it is therefore an objective to utilize this
After a signal allows the motor being currently running to stop turning off PWM, then pwm signal is opened, allow electric motor starting again, utilizes this
Kind method reduces impact of the high current to circuit, and protects motor, improves the service life of motor.
Another kind embodiment of the invention provides a kind of motor operating control system, and motor operating control system includes above-mentioned reality
Motor operation controller, electric machine controller and the motor drive module of example offer are provided.
Another kind embodiment of the invention provides a kind of motor method for controlling of operation, as shown in figure 5, motor method for controlling of operation
The following steps are included:
Step S101. receives the first enable signal that electric machine controller is sent, and postpone to the first enable signal pre-
If obtaining the second enable signal after the time.
Step S102. obtains square-wave signal according to the first enable signal and the second enable signal.
Step S103. receives the pwm signal that electric machine controller is sent, and obtains switch according to pwm signal and square-wave signal
Signal is controlled, and switch control signal is sent to motor drive module, so that motor drive module is according to switch control signal
Change rotation direction with the first enable signal driving motor.
In step s101, it is preset specifically, delay can be carried out to the first enable signal by setting RC retardation ratio circuit
Time.
In step s 102, specifically, being carried out again after carrying out XOR operation to the first enable signal and the second enable signal
Reverse phase operation is to obtain square-wave signal.
In step s 103, specifically, the step of obtaining switch control signal according to pwm signal and square-wave signal is specific
Are as follows:
Pwm signal and square-wave signal are carried out and operation is to obtain switch control signal.
By input and door the pwm signal of square-wave signal and electric machine controller output jointly, it at this moment can turn off PWM and believe
Number, the turn-off time is determined by delay time T size, it is therefore an objective to be turned off PWM using this signal and be allowed the motor being currently running
After stopping, then pwm signal is opened, allows electric motor starting, with this method, reduce impact of the high current to circuit again,
Motor is protected again, improves the service life of motor.
Motor operation controller provided by the invention, method and system, when carrying out postponing default to the first enable signal
Between obtain the second enable signal, generate square-wave signal further according to the first enable signal and the second enable signal, then by square-wave signal
With the common input switch signal acquisition module of pwm signal of electric machine controller output, pwm signal is turned off according to square-wave signal, is closed
The disconnected time determines by delay time, so that after the motor being currently running stops, then pwm signal is opened, allow motor to open again
It is dynamic, impact of the high current to circuit is reduced, while protecting motor, improves the service life of motor.
Those of ordinary skill in the art be further appreciated that implement the method for the above embodiments be can
It is completed with instructing relevant hardware by program, the program can be stored in a computer-readable storage medium
In, described storage medium, including ROM/RAM, disk, CD etc..
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Several equivalent substitute or obvious modifications are made under the premise of not departing from present inventive concept, and performance or use is identical, all should
It is considered as belonging to present invention scope of patent protection determined by the appended claims.
Claims (5)
1. a kind of motor operation controller, which is characterized in that the motor operation controller connection electric machine controller and electricity
Machine drive module, the motor operation controller include:
Time delay module for receiving the first enable signal of electric machine controller transmission, and prolongs first enable signal
The second enable signal is obtained after slow preset time and is output it；
Square-wave signal obtains module, for obtaining square-wave signal simultaneously according to first enable signal and second enable signal
It outputs it, wherein carry out reverse phase fortune again after carrying out XOR operation to first enable signal and second enable signal
It calculates to obtain square-wave signal；
Switching signal obtains module, for receiving the pwm signal of electric machine controller transmission, and according to the pwm signal and described
Square-wave signal obtains switch control signal, and the switch control signal is sent to motor drive module, so that the motor
Drive module changes rotation direction according to the switch control signal and the first enable signal driving motor；
It includes XOR gate and NOT gate that the square-wave signal, which obtains module, and the first input end of the XOR gate is the square-wave signal
The first signal input part for obtaining module accesses first enable signal, and the second input terminal of the XOR gate is the square wave
The second signal input terminal of signal acquisition module accesses second enable signal, and the output end connection of the XOR gate is described non-
The input terminal of door, the output end of the NOT gate are the signal output end output square wave letter that the square-wave signal obtains module
Number；
The second signal input terminal that the switching signal obtains module connects the second signal output end of the electric machine controller, institute
State the signal output end connection motor drive module that switching signal obtains module；
The switching signal obtain module be with door, the first input end with door is that the switching signal obtains the of module
One signal input part, second input terminal with door is the second signal input terminal that the switching signal obtains module, described
Output end with door is the signal output end that the switching signal obtains module.
2. motor operation controller as described in claim 1, which is characterized in that the signal input part of the time delay module connects
The first signal output end of the electric machine controller is connect, the signal output end of the time delay module connects the square-wave signal and obtains
First signal input part of module；
The time delay module includes first resistor and first capacitor, and the first end of the first resistor is the letter of the time delay module
Number input terminal, the second end of the first resistor connect the first end of the first capacitor, the second termination of the first capacitor
Ground, the second end of the first resistor are the signal output end of the time delay module.
3. motor operation controller as claimed in claim 2, which is characterized in that the square-wave signal obtains the second of module
Signal input part connects the first signal output end of the electric machine controller, and the square-wave signal obtains the signal output end of module
Connect the first signal input part that the switching signal obtains module.
4. a kind of motor operating control system, which is characterized in that the motor operating control system includes that claims 1 to 3 is appointed
Motor operation controller, electric machine controller and motor drive module described in one.
5. a kind of motor method for controlling of operation, which is characterized in that the motor method for controlling of operation the following steps are included:
The first enable signal that electric machine controller is sent is received, and is obtained after carrying out delay preset time to first enable signal
Take the second enable signal；
Square-wave signal is obtained according to first enable signal and second enable signal, wherein to the described first enabled letter
Number and second enable signal carry out XOR operation after carry out reverse phase operation again to obtain square-wave signal；
The pwm signal that electric machine controller is sent is received, and according to the pwm signal and square-wave signal progress and operation to obtain
Switch control signal is taken, and the switch control signal is sent to motor drive module, so that the motor drive module root
Change rotation direction according to the switch control signal and the first enable signal driving motor；
Wherein, it is obtained after module carries out the progress XOR operation using square-wave signal and carries out reverse phase operation, the square wave letter again
Number obtaining module includes XOR gate and NOT gate, and the first input end of the XOR gate is that the square-wave signal obtains the first of module
Signal input part accesses first enable signal, and the second input terminal of the XOR gate is that the square-wave signal obtains module
Second signal input terminal accesses second enable signal, and the output end of the XOR gate connects the input terminal of the NOT gate, institute
The output end for stating NOT gate is the signal output end output square-wave signal of square-wave signal acquisition module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477977.1A CN105978421B (en) | 2016-06-27 | 2016-06-27 | Motor operation controller, method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610477977.1A CN105978421B (en) | 2016-06-27 | 2016-06-27 | Motor operation controller, method and system |
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| Publication Number | Publication Date |
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| CN105978421A CN105978421A (en) | 2016-09-28 |
| CN105978421B true CN105978421B (en) | 2019-04-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108196099B (en) * | 2017-12-20 | 2020-05-19 | 广州广电计量检测股份有限公司 | Switch control circuit and test equipment |
| CN114665791A (en) * | 2022-03-11 | 2022-06-24 | 成都飞机工业（集团）有限责任公司 | Direct current motor forward and reverse rotation delay protection circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286721A (en) * | 2007-11-16 | 2008-10-15 | 西北工业大学 | Driving system of stepping motor with current negative feedback |
| CN202221973U (en) * | 2011-09-01 | 2012-05-16 | 鑫贺精密电子(东莞)有限公司 | Green energy saving fan and motor |
| CN202261119U (en) * | 2011-10-28 | 2012-05-30 | 南通富士通微电子股份有限公司 | Driving integrated circuit of bidirectional direct-current (DC) motor |
| CN205883094U (en) * | 2016-06-27 | 2017-01-11 | 深圳怡化电脑股份有限公司 | Motor operation controlling means and system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5010827B2 (en) * | 2005-11-16 | 2012-08-29 | 日立アプライアンス株式会社 | Brushless motor control device |
| CN103138665B (en) * | 2012-11-20 | 2016-08-03 | 上海硅力电子科技有限公司 | There is the motor drive controller of delay protection |
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2016
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101286721A (en) * | 2007-11-16 | 2008-10-15 | 西北工业大学 | Driving system of stepping motor with current negative feedback |
| CN202221973U (en) * | 2011-09-01 | 2012-05-16 | 鑫贺精密电子(东莞)有限公司 | Green energy saving fan and motor |
| CN202261119U (en) * | 2011-10-28 | 2012-05-30 | 南通富士通微电子股份有限公司 | Driving integrated circuit of bidirectional direct-current (DC) motor |
| CN205883094U (en) * | 2016-06-27 | 2017-01-11 | 深圳怡化电脑股份有限公司 | Motor operation controlling means and system |
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