CN108054879A - For the control system of motor - Google Patents
For the control system of motor Download PDFInfo
- Publication number
- CN108054879A CN108054879A CN201711400247.2A CN201711400247A CN108054879A CN 108054879 A CN108054879 A CN 108054879A CN 201711400247 A CN201711400247 A CN 201711400247A CN 108054879 A CN108054879 A CN 108054879A
- Authority
- CN
- China
- Prior art keywords
- motor
- power
- control system
- main shaft
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/22—Optical devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
-
- 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
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
Abstract
Embodiment of the present invention provides a kind of control system for motor, belongs to motor field.The motor includes main shaft, and the main shaft is connected with the rotor of the motor, and the control system includes：Detection unit, the detection unit include：Instruction unit is arranged on the main shaft, is rotated for the rotation according to the main shaft；Laser generator is arranged on the one side of the instruction unit；Photoelectric sensor is arranged on the opposite side of the instruction unit, for receiving the laser of the laser generator transmitting and generating detection signal；Power amplifier board；Controller is connected with the photoelectric sensor, is used for：The rotating speed of the rotor is determined according to the detection signal, and then determines the real output of the motor；The real output with predetermined power is compared, generates comparison result；According to the comparison result power amplifier board of the motor is controlled to adjust the output power of the motor；Heat sink is arranged between the motor and the power amplifier board.
Description
Technical field
The present invention relates to motor, more particularly to a kind of control system for motor.
Background technology
Motor is widely used in the various aspects of modern industry.In actual application process, it is often necessary to motor
Output power is controlled.The control system of motor of the prior art is typically to be sentenced by the changes of magnetic field to rotor
The rotating speed of the disconnected motor, and then realize the measuring and calculating to the output power of motor.But such detection mode due to using
The magnetic field of rotor will necessarily cause damping effect in detection process, so as to influence the work efficiency of motor to motor.
The content of the invention
The purpose of embodiment of the present invention is to provide a kind of control system for motor, the control system can by
On the rotor of motor the mode of detection unit is set to detect the output power of motor, realize the output work of low energy consumption detection motor
The mode of rate, has saved the energy.
To achieve these goals, embodiment of the present invention provides a kind of control system for motor, the motor bag
Main shaft is included, the main shaft is connected with the rotor of the motor, and the control system includes：
Detection unit, the detection unit can include：
Instruction unit is arranged on the main shaft, is rotated for following the rotation of the main shaft；
Laser generator is arranged on the one side of the instruction unit；
Photoelectric sensor is arranged on the opposite side of the instruction unit, occurs for receiving the laser
The laser of device transmitting simultaneously generates detection signal；
Power amplifier board is arranged on the top of motor, for converting the output power of power supply to the output power of motor；
Controller is connected with the photoelectric sensor, is used for：
The rotating speed of the rotor is determined according to the detection signal, and then determines the real output of the motor；
The real output with predetermined power is compared, generates comparison result；
The power amplifier board of the motor is controlled to adjust the output power of the motor according to the comparison result,
Heat sink, the heat sink are arranged between motor and power amplifier board.
Optionally, instruction unit is the protrusion vertical with main shaft being arranged on main shaft.
Optionally, instruction unit is two, and mutually symmetrical on main-shaft core.
Optionally, which includes the heat-conducting plate being connected with motor and the heat dissipation being arranged between heat-conducting plate and power amplifier board
Air passage.
Optionally, which can also be connected between the power supply and controller, and power amplifier board can include：
Voltage conversion unit is connected between power supply and controller, for the output voltage of power supply to be converted into controller
Supply voltage；
Power conversion unit is connected between power supply and motor, for converting the output power of power supply to the confession of motor
Electrical power；
Controller is further used for controlling power conversion unit according to comparison result with the output power of regulation motor.
Optionally, the voltage conversion unit can include：First resistor, second resistance, the first field-effect tube, the one or three
Pole pipe, one end of the first resistor with for be connected with the power supply, the other end of the first resistor and described first
The grid connection of effect pipe, the node between the other end of the first resistor and the grid of first field-effect tube pass through institute
State second resistance ground connection, the source electrode ground connection of first field-effect tube, the drain electrode of first field-effect tube and the described 1st
The base stage connection of pole pipe, the emitter of first triode are used to receive+5V DC voltages, the current collection of first triode
Pole is connected with the controller.
Optionally, the power conversion unit can include：
Power control module, the power control module are BUCK circuits, are connected with the power supply；
Isolated location is connected between the power control module and the motor.
Optionally, the isolated location can be electromagnetic isolation unit.
Optionally, the isolated location can be phototube coupling unit.
Optionally, the controller can be microcontroller.
Through the above technical solutions, the control system can be examined by way of setting detection unit on the rotor in motor
The output power of measured motor realizes the mode of the output power of low energy consumption detection motor, has saved the energy.
The other feature and advantage of embodiment of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is that embodiment of the present invention is further understood for providing, and a part for constitution instruction, with
Following specific embodiment is together for explaining embodiment of the present invention, but do not form the limit to embodiment of the present invention
System.In the accompanying drawings：
Fig. 1 is the structure diagram of the control system for motor according to an embodiment of the present invention；
Fig. 2 is the structure diagram of detection unit according to an embodiment of the present invention；
Fig. 3 is the annexation figure of power amplifier board according to an embodiment of the present invention；
Fig. 4 is the structure diagram of voltage conversion unit according to an embodiment of the present invention；
Fig. 5 is the structure diagram of voltage conversion unit according to an embodiment of the present invention；
Fig. 6 is the structure diagram of the control system for motor according to an embodiment of the present invention；And
Fig. 7 is the enlarged drawing of heat sink according to an embodiment of the present invention.
Reference sign
10th, motor 11, main shaft
12nd, rotor 20, detection unit
21st, instruction unit 22, laser generator
23rd, photoelectric sensor 30, power amplifier board
31st, voltage conversion unit 32, power conversion unit
33rd, power conversion module 34, isolated location
40th, controller 50, heat sink
51st, heat-conducting plate 52, heat dissipation wind channel
R1, first resistor R2, second resistance
R3,3rd resistor R4, the 4th resistance
R5, the 5th resistance Q1, the first triode
M1, the first field-effect tube
Specific embodiment
The specific embodiment of embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that
The specific embodiments described herein are merely to illustrate and explain the present invention embodiment, are not intended to limit the invention implementation
Mode.
It is the structure diagram of the control system for motor according to an embodiment of the present invention as shown in Figure 1.Motor
10 can include main shaft 11, which is connected with the rotor 12 of motor 10, and externally output is mechanical by main shaft 11 for the motor 10
Power.In Fig. 1, which includes：Detection unit 20, power amplifier board 30,40 (not shown) of controller.
The structure of the detection unit 20 is as shown in Figure 2.The detection unit 20 can include in fig. 2：Laser generator 22,
Instruction unit 21 and photoelectric sensor 23.The position relationship of the laser generator 22, instruction unit 21 and photoelectric sensor 23 such as Fig. 2 institutes
Show.In fig. 2, which is arranged on the main shaft 11 of motor 10, which is arranged on the one of instruction unit 21
Side, the photoelectric sensor 23 are arranged on the opposite side of the instruction unit 21, for receiving the laser of the transmitting of laser generator 22 and life
Into detection signal.The instruction unit 21 can be provided in the protrusion vertical with the main shaft 11 on the main shaft 11 of the motor 10, excellent
Selection of land, the instruction unit 21 can be 2, and mutually symmetrical on the main-shaft core.When the motor 10 works, 12 turns of the rotor
It is dynamic, while instruction unit 21 is driven to rotate so that the laser of the laser generator 22 transmitting is blocked in 21 gap of instruction unit, at this point, light
Electric transducer 23 receives the laser signal of interruption.The photoelectric sensor 23 swashs when receiving laser signal to what is be not blocked
Optical signal (luminous flux is not 0) output high level, low level is exported to the laser signal (luminous flux 0) being blocked.Or more
It is digital signal to state detection signal.
As shown in Fig. 2, the control system can also include power amplifier board 30 and controller 40.The power amplifier board 30 is connected to power supply
Between motor 10, for converting the output power of power supply to the output power of motor 10.The power amplifier board 30 is gone back and controller
40 connections, controller 40 can be connected with photoelectric sensor 23.The controller 40 receives above-mentioned detection by photoelectric sensor 23
Signal (digital signal) calculates the rotating speed of the instruction unit 21 according to the conversion frequency of the digital signal, and then according to the instruction unit
21 rotating speed determines the rotating speed of the rotor 12 of the motor 10, and the reality output work(of the motor is calculated further according to the rotating speed of the rotor 12
Rate (other parameter of load machinery has been preset in controller 40).The controller 40 is by the real output and default work(
Rate is compared, and judges the magnitude relationship of the real output and the predetermined power.It is more than in the real output default
During power, controller 40 controls power amplifier board 30 to reduce output power of the power supply to motor 10, so as to reduce the output of the motor 10
Power.When the real output is less than predetermined power, controller 40 controls power amplifier board 30 to improve confession of the power supply to motor 10
Electrical power, so as to improve the output power of the motor 10.It is repeatedly cycled by above-mentioned steps, controller 40 is defeated by the motor 10
Go out power regulation to predetermined power.In this embodiment, as shown in figure 4, the power amplifier board 30 may further include：Voltage turns
Change unit 31 and power conversion unit 32.The voltage conversion unit 31 can be connected between the power supply and controller 40, be used for
By the voltage conversion of the power supply to the supply voltage of controller 40.Preferably, as shown in figure 5, the voltage conversion unit 31 can be with
Including：First resistor R1, second resistance R2, the first field-effect tube M1, the first triode Q1, one end of first resistor R1 is with being used for
Be connected with power supply, the other end of first resistor R1 is connected with the grid of the first field-effect tube M1, the other end of first resistor R1 with
Node between the grid of first field-effect tube M1 is grounded by second resistance R2, the source electrode ground connection of the first field-effect tube M1, the
The drain electrode of one field-effect tube M1 is connected with the base stage of the first triode Q1, and the emitter of the first triode Q1 is straight for receiving+5V
Galvanic electricity pressure, the collector of the first triode Q1 are connected with controller 40.In the example of the present invention, as shown in fig. 6, the work(
Rate converting unit can include：Power conversion module 33 and isolation module 34.The power conversion module 33 can be used for power supply
Output power convert to predetermined power, which is connected between the power conversion module 33 and motor, for every
From the motor to the interference effect of power conversion module 33.Preferably, which can be BUCK circuits, should be every
It can be photoelectric isolation module from module 34, or electromagnetic isolation module.
In this embodiment, which further includes heat sink 50.Fig. 7 is the enlarged drawing of the heat sink 50.In Fig. 7
In, which can include the heat-conducting plate 52 being connected with motor 10 and be arranged between the heat-conducting plate 52 and power amplifier board 30
Heat dissipation wind channel 51.The heat-conducting plate 52 can be made of heat-conducting metal, and the heat for motor 10 to be generated is conducted to heat dissipation wind channel
In 51, heat dissipation wind channel 51 establishes air flow passage between power amplifier board 30 and heat-conducting plate 52 so that air flow is accelerated, and avoids
10 failure of motor that temperature between motor 10 and power amplifier board 30 is excessively high and triggers.
It through the above technical solutions, can be by being arranged on rotor provided by the present invention for the control system of motor
On detection unit determine that the rotating speed of motor then determines the output power of the motor, solve in the prior art electric machines test electricity
The problem of machine output power relies on electromagnetic induction and causes energy waste improves the service efficiency of the energy.
The optional embodiment of example of the present invention is described in detail above in association with attached drawing, still, embodiment of the present invention is not
The detail being limited in the above embodiment, can be to of the invention real in the range of the technology design of embodiment of the present invention
The technical solution for applying mode carries out a variety of simple variants, these simple variants belong to the protection domain of embodiment of the present invention.
It is further to note that the specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, embodiment of the present invention
Various combinations of possible ways are no longer separately illustrated.
In addition, can also be combined between a variety of embodiments of embodiment of the present invention, as long as its
Without prejudice to the thought of embodiment of the present invention, it should equally be considered as embodiment of the present invention disclosure of that.
Claims (10)
1. a kind of control system for motor, which is characterized in that the motor (10) includes main shaft (11), the main shaft (11)
It is connected with the rotor (12) of the motor (10), the control system includes：
Detection unit (20), the detection unit (20) include：
Instruction unit (21) is arranged on the main shaft (11), is rotated for following the rotation of the main shaft (11)；
Laser generator (22) is arranged on the one side of the instruction unit (21)；
Photoelectric sensor (23) is arranged on the opposite side of the instruction unit (21), for receiving the laser generator (23) hair
The laser penetrated simultaneously generates detection signal；
Power amplifier board (30) is arranged on the top of the motor (10), for converting the output power of power supply to motor (10)
Output power；
Controller (40) is connected with the photoelectric sensor (21), is used for：
The rotating speed of the rotor (12) is determined according to the detection signal, and then determines the reality output work(of the motor (10)
Rate；
The real output with predetermined power is compared, generates comparison result；
According to the comparison result power amplifier board (30) of the motor (10) is controlled to adjust the output power of the motor (10)；
Heat sink (50), the heat sink (50) are arranged between the motor (10) and the power amplifier board (30).
2. control system according to claim 1, which is characterized in that the instruction unit (21) is to be arranged on the main shaft
(11) protrusion vertical with the main shaft (12) on.
3. control system according to claim 2, which is characterized in that the instruction unit (11) be two, and mutually on
Main shaft (11) central symmetry.
4. control system according to claim 1, which is characterized in that the heat sink (50) includes and the motor (10)
The heat-conducting plate (51) of connection and the heat dissipation wind channel (52) being arranged between the heat-conducting plate (51) and the power amplifier board (30).
5. control system according to claim 1, which is characterized in that the power amplifier board (30) be additionally attached to the power supply and
Between the controller (40), the power amplifier board (30) includes：
Voltage conversion unit (31) is connected between the power supply and the controller (40), for by the output of the power supply
Voltage conversion is into the supply voltage of the controller (40)；
Power conversion unit (32) is connected between the power supply and motor (10), for the output power of the power supply to be turned
Shift to the output power of the motor (10)；
The controller (40) is further used for controlling the power conversion unit (32) according to the comparison result to adjust
State the output power of motor (10).
6. control system according to claim 5, which is characterized in that the voltage conversion unit includes：First resistor
(R1), second resistance (R2), the first field-effect tube (M1), the first triode (Q1), one end of the first resistor (R1) and use
It is connected in the power supply, the other end of the first resistor (R1) is connected with the grid of first field-effect tube (M1), institute
The node stated between the other end of first resistor (R1) and the grid of first field-effect tube (M1) passes through the second resistance
(R2) it is grounded, the source electrode ground connection of first field-effect tube (M1), the drain electrode and described first of first field-effect tube (M1)
The base stage connection of triode (Q1), the emitter of first triode (Q1) is for receiving+5V DC voltages, and the described 1st
The collector of pole pipe (Q1) is connected with the controller (40).
7. control system according to claim 5, which is characterized in that the power conversion unit (32) includes：
Power control module (33), the power control module (33) are BUCK circuits, are connected with the power supply；
Isolated location (34) is connected between the power control module (34) and the motor (10).
8. control system according to claim 7, which is characterized in that the isolated location (34) is electromagnetic isolation unit.
9. control system according to claim 8, which is characterized in that the isolated location (34) is phototube coupling unit.
10. control system according to any one of claims 1 to 9, which is characterized in that the controller (40) is microcontroller
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400247.2A CN108054879A (en) | 2017-12-22 | 2017-12-22 | For the control system of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711400247.2A CN108054879A (en) | 2017-12-22 | 2017-12-22 | For the control system of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108054879A true CN108054879A (en) | 2018-05-18 |
Family
ID=62131338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711400247.2A Pending CN108054879A (en) | 2017-12-22 | 2017-12-22 | For the control system of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108054879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146767A (en) * | 2019-12-18 | 2020-05-12 | 陈鑫 | Multi-power motor |
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| CN101257278A (en) * | 2008-04-03 | 2008-09-03 | 浙江三木实业有限公司 | Automatic gear shifting system of paper chipper |
| CN103227578A (en) * | 2013-04-03 | 2013-07-31 | 宁波中博电器有限公司 | Low-power inverter circuit |
| CN104158454A (en) * | 2013-05-13 | 2014-11-19 | 三菱电机株式会社 | Synchronous machine controller |
| CN204290621U (en) * | 2014-12-03 | 2015-04-22 | 奉化市兴宇特种电机制造有限公司 | A kind of DC brushless motor radiator structure |
| JP2016023016A (en) * | 2014-07-17 | 2016-02-08 | 株式会社日立製作所 | Hoisting machine with speed detector and speed detector |
| CN106413354A (en) * | 2016-12-06 | 2017-02-15 | 北京阿瑞新通科技有限公司 | Electric vehicle control device and electric vehicle |
| CN206258122U (en) * | 2016-12-17 | 2017-06-16 | 浙江联大科技有限公司 | A kind of grating encoder on curtain motor |
-
2017
- 2017-12-22 CN CN201711400247.2A patent/CN108054879A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101257278A (en) * | 2008-04-03 | 2008-09-03 | 浙江三木实业有限公司 | Automatic gear shifting system of paper chipper |
| CN103227578A (en) * | 2013-04-03 | 2013-07-31 | 宁波中博电器有限公司 | Low-power inverter circuit |
| CN104158454A (en) * | 2013-05-13 | 2014-11-19 | 三菱电机株式会社 | Synchronous machine controller |
| JP2016023016A (en) * | 2014-07-17 | 2016-02-08 | 株式会社日立製作所 | Hoisting machine with speed detector and speed detector |
| CN204290621U (en) * | 2014-12-03 | 2015-04-22 | 奉化市兴宇特种电机制造有限公司 | A kind of DC brushless motor radiator structure |
| CN106413354A (en) * | 2016-12-06 | 2017-02-15 | 北京阿瑞新通科技有限公司 | Electric vehicle control device and electric vehicle |
| CN206258122U (en) * | 2016-12-17 | 2017-06-16 | 浙江联大科技有限公司 | A kind of grating encoder on curtain motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111146767A (en) * | 2019-12-18 | 2020-05-12 | 陈鑫 | Multi-power motor |
| CN111146767B (en) * | 2019-12-18 | 2022-04-26 | 陈鑫 | Multi-power motor |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20181214 Address after: 324000 No. 1-98, 11A Block, 258 Garden East Avenue, Kecheng District, Quzhou City, Zhejiang Province Applicant after: Quzhou quantitative Intelligence Technology Co., Ltd. Address before: 324000 No. 28, Zhou Jiashan village, hang Bu Town, Kecheng District, Quzhou, Zhejiang Applicant before: Wu Liuping |
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Application publication date: 20180518 |
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