CN108039846A - A kind of electrical machine energy-saving control system and power-economizing method - Google Patents
A kind of electrical machine energy-saving control system and power-economizing method Download PDFInfo
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- CN108039846A CN108039846A CN201711411857.2A CN201711411857A CN108039846A CN 108039846 A CN108039846 A CN 108039846A CN 201711411857 A CN201711411857 A CN 201711411857A CN 108039846 A CN108039846 A CN 108039846A
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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
- H02P23/00—Arrangements or methods for the control of AC motors characterised by a control method other than vector control
- H02P23/26—Power factor control [PFC]
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- Control Of Electric Motors In General (AREA)
Abstract
The present invention discloses a kind of electrical machine energy-saving control system and power-economizing method, including central processing unit, energy supply control module, the inductor for being internally provided with connection electric machine main shaft of central processing unit, one end of central processing unit is provided with adjustment unit, the other end of central processing unit is provided with the synchronous sampling circuit for differentiating abnormal circuit, the inside of adjustment unit includes rectification circuit, one end of rectification circuit is arranged to current rectification circuit, the other end of fast current circuit is arranged to voltage rectifying circuit, energy supply control module respectively with motor control unit, battery manager is connected with electric machine controller, power input to machine is set to follow the change of output power of motor all the time and change, so that motor always works in high efficient area, reach energy saving purpose, practical performance is excellent, it is novel in design, it is a kind of good innovation scheme.
Description
Technical field
The present invention relates to technical field of electromechanical control, more particularly to a kind of electrical machine energy-saving control system and power-economizing method.
Background technology
With developing rapidly for China's industrial and agricultural production, the demand of electric energy is increasing, exploitation and save the energy into
The task of top priority.As a kind of important power-equipment, the power consumption of asynchronous motor is very big.These asynchronous motors one
As be all to be made choice according to the load of design, but in actual use, be mostly often in underloading, or even transported under zero load
OK.The phenomenon of low load with strong power is almost very common.At present, continue to develop, be becoming tight in China's industrial production energy day, ring
In the case that guaranteed request is increasingly surging, energy shortage situation can greatly be alleviated by improving motor operation efficiency, improve national economy
Benefit, is of great practical significance.In order to improve the work efficiency of motor, design of the countries in the world from motor for many years
Manufacture, the selection of motor are started with for the use of, power grid power supply management etc. is several, have made numerous studies work, are achieved preferable
Achievement.Wherein start with terms of the design and manufacture of motor, have developed high-efficiency energy-saving motor, significantly improve efficiency, can be big
Measure energy saving.But this motor cost is higher.And economic effect significantly depend on load situation, i.e., for long-term work in
Nominal load, the application scenario continuously run, its energy-saving effect can reach optimal.But for most of motor users, how
The motor on existing equipment is worked in the higher state of efficiency and seem more real.
In conclusion the defects of being directed to the prior art, it is accordingly required in particular to a kind of electrical machine energy-saving control system and power-economizing method, with
Solve the deficiencies in the prior art.
The content of the invention
For existing existing deficiency, influence actual use, the present invention propose a kind of electrical machine energy-saving control system and
Power-economizing method, it is novel in design so that power input to machine follows the change of output power of motor and changes, and ensures motor work all the time
Make, in high efficient area, to reduce energy consumption.
To achieve these goals, technical scheme is as follows：
A kind of electrical machine energy-saving control system, including central processing unit, energy supply control module, the inside of central processing unit are set
There is the inductor of connection electric machine main shaft, one end of central processing unit is provided with adjustment unit, and the other end of central processing unit is set
There is the synchronous sampling circuit for differentiating abnormal circuit, the inside of adjustment unit includes rectification circuit, and one end of rectification circuit is set
For current rectification circuit, the other end of fast current circuit is arranged to voltage rectifying circuit, and energy supply control module is controlled with motor respectively
Unit, battery manager are connected with electric machine controller, judge the generation current during motor operation and when distributive value is zero, and
Generation current is less than current threshold and battery manager detects and motor is controlled when the electricity of battery is less than power threshold to described
Battery charges, and generation current controls the motor when being more than or equal to institute's power threshold less than the electricity of current threshold and battery
Reduce generated energy.
Further, the mechanical action time difference signal of each working stage of central processing unit collection is one group of time difference
Signal data, and the time difference signal data of at least two nearest production cycles are stored, utilize at least two groups of time difference letters of storage
Number, calculates average value of the motor in the mechanical action time difference of each working stage in real time.
Timer, the control list of timer connection motor work are integrated with central processing unit of the present invention
Member.
Be provided with communication control system in one end of motor control unit of the present invention, motor control unit it is another
End is provided with rotating speed switch.
Further, positive waveform and the negative sense waveform of the current signal of energy supply control module collection is respectively through electric current
Rectifier circuit rectifies are to be exported on the occasion of rear point of two-way to TI+, TI- pin of A/D conversions inside controller.
A kind of power-economizing method of electrical machine energy-saving control system：The positive waveform and negative sense waveform warp of the real-time current collected
Whole overcurrent rectification circuit is to be exported respectively to TI+, TI- pin of A/D conversions inside controller on the occasion of rear；What is collected is real-time
It is to be exported respectively after to A/D conversions inside controller that positive waveform and the negative sense waveform of voltage is whole by voltage rectifying circuit
TU+, TU- pin, controller to represent voltage on the occasion of numerical value carry out discrete sampling, motor control unit is additionally operable in battery
Electricity be less than or equal to start motor during power threshold under the control of energy supply control module, motor connects and is used to storing described
The data register of time difference signal data, so as to which different rotating speeds can be being switched according to power, to reach the mesh of energy-saving consumption-reducing
, central controller carries out entirety to motor and deploys to ensure effective monitoring and control of illegal activities, and flexible adjustment parameter, rectification is carried out for circuit.
The beneficial effects of the invention are as follows：It is simple in structure, it is bright to detect electric efficiency in real time, pass through regulation motor end electricity
Pressure, adjusts power input to machine, power input to machine is followed the change of output power of motor all the time and is changed, so that motor
High efficient area is always worked in, reaches energy saving purpose, practical performance is excellent, novel in design, is a kind of good innovation scheme.
Brief description of the drawings
It is next with reference to the accompanying drawings and detailed description that the present invention will be described in detail：
Fig. 1 is the structure diagram of the present invention；
Embodiment
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
Referring to Fig. 1, a kind of electrical machine energy-saving control system, including central processing unit 100, energy supply control module 110, centre
The inductor 120 for being internally provided with connection electric machine main shaft of reason device 100, one end of central processing unit 100 are provided with adjustment unit,
The other end of central processing unit is provided with the synchronous sampling circuit 130 for differentiating abnormal circuit, and the inside of adjustment unit includes whole
Current circuit 140, one end of rectification circuit 140 are arranged to current rectification circuit, and it is whole that the other end of fast current circuit 140 is arranged to voltage
Current circuit, energy supply control module 110 are connected with motor control unit, battery manager and electric machine controller respectively, motor operation
When and distributive value the generation current is judged when being zero, and be less than current threshold in generation current and battery manager detects electricity
Motor is controlled to charge the battery when electricity in pond is less than power threshold, generation current is less than current threshold and battery
Electricity controls the motor to reduce generated energy when being more than or equal to institute's power threshold.
The mechanical action time difference signal of each working stage of central processing unit collection is one group of time difference signal data, and is deposited
The time difference signal data of at least two nearest production cycles of storage, using at least two groups of time difference signal data of storage, are counted in real time
Calculate average value of the motor in the mechanical action time difference of each working stage.Timer, timer are integrated with central processing unit
Connect the control unit of motor work.One end of motor control unit is provided with communication control system, motor control unit it is another
One end is provided with rotating speed switch.Positive waveform and the negative sense waveform of the current signal of energy supply control module collection is respectively through electric current
Rectifier circuit rectifies are to be exported on the occasion of rear point of two-way to TI+, TI- pin of A/D conversions inside controller.
A kind of power-economizing method of electrical machine energy-saving control system：The positive waveform and negative sense waveform warp of the real-time current collected
Whole overcurrent rectification circuit is to be exported respectively to TI+, TI- pin of A/D conversions inside controller on the occasion of rear；What is collected is real-time
It is to be exported respectively after to A/D conversions inside controller that positive waveform and the negative sense waveform of voltage is whole by voltage rectifying circuit
TU+, TU- pin, controller to represent voltage on the occasion of numerical value carry out discrete sampling, motor control unit is additionally operable in battery
Electricity be less than or equal to start motor during power threshold under the control of energy supply control module, motor connects and is used to storing described
The data register of time difference signal data, so as to which different rotating speeds can be being switched according to power, to reach the mesh of energy-saving consumption-reducing
, central controller carries out entirety to motor and deploys to ensure effective monitoring and control of illegal activities, and flexible adjustment parameter, rectification is carried out for circuit.Power supply is correspondingly provided with
Synchronous sampling circuit, synchronous sampling circuit output terminal are connected to controller, and controller can detect external voltage electrical network parameter in real time,
And can be according to external electrical network parameter, power supply is correspondingly provided with synchronous sampling circuit, and synchronous sampling circuit output terminal is connected to controller,
Controller can detect external electrical network voltage parameter in real time, and can according to external electrical network parameter, to the minimum voltage of user's setting into
Row adjust automatically, specifically, when detect external electrical network voltage rise when, according to external electrical network voltage rise ratio, to
The minimum voltage of family setting carries out decline in proportion；Conversely, when detecting that external voltage declines, according to external electrical network voltage
The ratio of decline, carries out the minimum voltage that user sets rising in proportion, to ensure the constant of real output value, synchronously takes
Sample circuit uses available circuit structure.
The beneficial effects of the invention are as follows：It is simple in structure, it is bright to detect electric efficiency in real time, pass through regulation motor end electricity
Pressure, adjusts power input to machine, power input to machine is followed the change of output power of motor all the time and is changed, so that motor
High efficient area is always worked in, reaches energy saving purpose, practical performance is excellent, novel in design, is a kind of good innovation scheme.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, it is of the invention without departing from the spirit and scope of the present invention also to have respectively
Kind changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by
Appended claims and its equivalent define.
Claims (6)
1. a kind of electrical machine energy-saving control system, including central processing unit, energy supply control module, it is characterised in that：Central processing unit
The inductor for being internally provided with connection electric machine main shaft, one end of central processing unit is provided with adjustment unit, central processing unit
The other end is provided with the synchronous sampling circuit for differentiating abnormal circuit, and the inside of adjustment unit includes rectification circuit, rectification circuit
One end be arranged to current rectification circuit, the other end of fast current circuit is arranged to voltage rectifying circuit, energy supply control module difference
It is connected with motor control unit, battery manager and electric machine controller, judges the hair during motor operation and when distributive value is zero
Electric current, and controlled when generation current is less than current threshold and battery manager detects that the electricity of battery is less than power threshold
Motor charges the battery, and generation current is less than current threshold and the electricity of battery is more than or equal to institute's power threshold time control
Make the motor and reduce generated energy.
A kind of 2. electrical machine energy-saving control system according to claim 1, it is characterised in that：The central processing unit collection
The mechanical action time difference signal of each working stage is one group of time difference signal data, and stores at least two nearest production cycles
Time difference signal data, using at least two groups of time difference signal data of storage, calculate machine of the motor in each working stage in real time
Tool acts the average value of the time difference.
A kind of 3. electrical machine energy-saving control system according to claim 1, it is characterised in that：Collection in the central processing unit
Into there is timer, timer connects the control unit of motor work.
A kind of 4. electrical machine energy-saving control system according to claim 1, it is characterised in that：The one of the motor control unit
End is provided with communication control system, and the other end of motor control unit is provided with rotating speed switch.
A kind of 5. electrical machine energy-saving control system according to claim 1, it is characterised in that：The energy supply control module collection
Positive waveform and the negative sense waveform of current signal be respectively after to divide two-way to export to control through current rectification circuit rectifies
TI+, TI- pin of A/D conversions inside device.
A kind of 6. power-economizing method of electrical machine energy-saving control system：Positive waveform and the negative sense waveform of the real-time current collected passes through
Whole current rectification circuit is to be exported respectively to TI+, TI- pin of A/D conversions inside controller on the occasion of rear；The real-time electricity collected
It is to be exported respectively after to A/D conversions inside controller that positive waveform and the negative sense waveform of pressure is whole by voltage rectifying circuit
TU+, TU- pin, controller to represent voltage on the occasion of numerical value carry out discrete sampling, motor control unit is additionally operable in battery
Electricity is less than or equal to start motor under the control of energy supply control module during power threshold, when motor connects and is used to store described
The data register of difference signal data, so as to which different rotating speeds can be being switched according to power, to achieve the purpose that energy-saving consumption-reducing,
Central controller carries out entirety to motor and deploys to ensure effective monitoring and control of illegal activities, and flexible adjustment parameter, rectification is carried out for circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411857.2A CN108039846A (en) | 2017-12-23 | 2017-12-23 | A kind of electrical machine energy-saving control system and power-economizing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711411857.2A CN108039846A (en) | 2017-12-23 | 2017-12-23 | A kind of electrical machine energy-saving control system and power-economizing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108039846A true CN108039846A (en) | 2018-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711411857.2A Pending CN108039846A (en) | 2017-12-23 | 2017-12-23 | A kind of electrical machine energy-saving control system and power-economizing method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920862A (en) * | 2014-04-30 | 2014-07-16 | 重庆立致和节能科技有限公司 | Die-casting machine asynchronous servo energy-saving control method and system |
| CN104071148A (en) * | 2013-03-28 | 2014-10-01 | 比亚迪股份有限公司 | Energy-saving control method for automobile, energy-saving control system and automobile |
| CN106357199A (en) * | 2016-08-31 | 2017-01-25 | 石光峰 | Energy-saving motor control system and energy-saving method |
| CN205961007U (en) * | 2016-08-08 | 2017-02-15 | 上海东方威尔节能技术有限公司 | Follow -up output economizer is trailed in self -adaptation load |
| US20170163180A1 (en) * | 2011-08-11 | 2017-06-08 | Shunxin Zhou | Control system for realizing the change of input power with load and rotating speed simultaneously, by driving multiple electric motors via one inverter bridge |
-
2017
- 2017-12-23 CN CN201711411857.2A patent/CN108039846A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170163180A1 (en) * | 2011-08-11 | 2017-06-08 | Shunxin Zhou | Control system for realizing the change of input power with load and rotating speed simultaneously, by driving multiple electric motors via one inverter bridge |
| CN104071148A (en) * | 2013-03-28 | 2014-10-01 | 比亚迪股份有限公司 | Energy-saving control method for automobile, energy-saving control system and automobile |
| CN103920862A (en) * | 2014-04-30 | 2014-07-16 | 重庆立致和节能科技有限公司 | Die-casting machine asynchronous servo energy-saving control method and system |
| CN205961007U (en) * | 2016-08-08 | 2017-02-15 | 上海东方威尔节能技术有限公司 | Follow -up output economizer is trailed in self -adaptation load |
| CN106357199A (en) * | 2016-08-31 | 2017-01-25 | 石光峰 | Energy-saving motor control system and energy-saving method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180515 |