CN103532478A - System for realizing energy-conservation control of electric motor under condition that speed is not reduced - Google Patents
System for realizing energy-conservation control of electric motor under condition that speed is not reduced Download PDFInfo
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- CN103532478A CN103532478A CN201310518700.5A CN201310518700A CN103532478A CN 103532478 A CN103532478 A CN 103532478A CN 201310518700 A CN201310518700 A CN 201310518700A CN 103532478 A CN103532478 A CN 103532478A
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Abstract
The invention discloses a system for realizing energy-conservation control of an electric motor under the condition that the speed is not reduced. The system comprises an ADC (analog to digital converter) rectifying circuit, an RC (resistor-capacitor) filter circuit and an inverter circuit which are sequentially connected, as well as a direct voltage detection module, a direct current detection module, an input signal interface, a keyboard, a ROM (read only memory), a SPWM (sine pulse width modulation) module, a panel indication module, an NVRAM (nonvolatile random access memory) and a base electrode driving circuit, wherein the direct voltage detection module, the direct current detection module, the input signal interface, the keyboard, the ROM, the SPWM module and the panel indication module are connected with a central control module respectively; the NVRAM is connected with the ROM through a serial data connecting wire; and the output end of the base electrode driving circuit is electrically connected with a control input end of the inverter circuit; an input end of the direct voltage detection module is electrically connected with an output end of the ADC rectifying circuit; an input end of the direct current detection module is electrically connected with an output end of the RC filter circuit; an input end of the voltage output detection module is electrically connected with an output end of the inverter circuit; and an output end of the base electrode driving circuit is electrically connected with a control signal output end of the inverter circuit. The system has the benefits as follows: the energy-conservation control of the electric motor is realized under the condition that the speed is not reduced.
Description
Technical field
The present invention relates to a kind of energy-saving control system of motor, particularly a kind of Energy Saving Control system in the situation that motor does not slow down.
Background technology
Motor is the conventional driven by power power-equipments of a lot of production occasions.In order to realize the energy-conservation of motor, generally by an energy-saving control system, realize.The energy-saving control system of prior art, in need to reducing the process of load (motor) power, needs change-over time, also needs the deceleration of motor, and this is unfavorable for carrying out continuously of production.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, provide a kind of control system that realizes energy saving motor in the situation that not slowing down.
The technical solution used in the present invention is such: a kind of motor is decelerating energy-saving control system not, and this system comprises: ADC rectification circuit, RC filter circuit, inverter circuit, direct voltage detection module, direct current detection module, Voltage-output detection module, input signal interface, keyboard, ROM, NVRAM, SPWM module, base drive circuit, panel indicating module and central control module.
ADC rectification circuit, the input of output and RC filter circuit is electrically connected, and converts three-phase alternating current to direct current.RC filter circuit, the input of output and inverter circuit is electrically connected.Inverter circuit, output is electrically connected with motor.Direct voltage detection module, the output of its input and ADC rectification circuit is electrically connected, and the first input end of input and central control module is electrically connected, and detects DC voltage value.Direct current detection module, the output of its input and filter circuit is electrically connected, and the second input of output and central control module is electrically connected, and detects DC current values.Voltage-output detection module, the output of its output and inverter circuit is electrically connected, and the 3rd input of output and central control module is electrically connected, and detects output AC voltage value.Input signal interface, is electrically connected with the four-input terminal of central control module, for external monitoring signal, inputs.Keyboard, is electrically connected with the 5th input of central control module, for the input of operating state and running parameter.ROM, is connected by serial data line with central control module.NVRAM, is connected by serial data wiring with ROM.SPWM module, the first output of input and central control module is electrically connected, and the input of output and base drive circuit is electrically connected.Base drive circuit, the control input end of output and inverter circuit is electrically connected.Panel indicating module, is electrically connected the numerical value that the operating state of display system and each detection module detect under the driving of central control module with the second output of central control module.Central control module, the monitor signal value of inputting into by receiving input signal interface, calculative determination system is exported to the magnitude of voltage of motor, generate duty cycle control signal to SPWM module, by SPWM module, generate control wave, and through base drive circuit, drive the magnitude of voltage of inverter circuit output.
In above-mentioned technical scheme, described keyboard comprises that reduction arranges key, reset key, elimination fault key, code key is set.
In above-mentioned technical scheme, described inverter circuit is an IGCT pipe.
In above-mentioned technical scheme, also comprise an IGCT protective circuit, the 6th output of the input of this IGCT protective circuit and central control module is electrically connected, and the base stage of output and IGCT pipe is electrically connected; IGCT protective circuit is a capacitor for voltage protection.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows: obtain simultaneously realizing Energy Saving Control, can realize motor and in the situation that not slowing down, realize Energy Saving Control.
Accompanying drawing explanation
Fig. 1 is the not schematic diagram of decelerating energy-saving control system of motor of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, be the not schematic diagram of decelerating energy-saving control system of motor of the present invention.A decelerating energy-saving control system not, this system comprises: ADC rectification circuit 101, RC filter circuit 102, inverter circuit 103, direct voltage detection module 104, direct current detection module 105, Voltage-output detection module 107, input signal interface 111, keyboard 112, ROM113, NVRAM114, SPWM module 109, base drive circuit 106, panel indicating module 110 and central control module 108.
ADC rectification circuit 101, the input of output and RC filter circuit 102 is electrically connected, and converts three-phase alternating current to direct current, and this rectification circuit can adopt cheap rectifier circuit again simple in structure.
RC filter circuit 102, the input of output and inverter circuit 103 is electrically connected, and the direct current after AC-DC conversion is carried out to filtering processing, rejects the noise in direct current.
Inverter circuit 103, output and motor 20 are electrically connected, and DC inverter are converted to the driving alternating current of motor 20.
Direct voltage detection module 104, the output of its input and ADC rectification circuit 101 is electrically connected, the first input end of input and central control module 108 is electrically connected, detect the magnitude of voltage of direct voltage, be input to after central control module 108, by central control module 108, process and can drive display unit that this value is shown intuitively.
Direct current detection module 105, the output of its input and filter circuit 102 is electrically connected, the second input of output and central control module 108 is electrically connected, detect the current value of direct current, be input to after central control module 108, by central control module 108, process and can drive display unit that this value is shown intuitively.
Voltage-output detection module 107, the output of its output and inverter circuit 103 is electrically connected, the 3rd input of output and central control module 108 is electrically connected, detect output AC voltage value, be input to after central control module 108, by central control module 108, process and can drive display unit that this value is shown intuitively.
Input signal interface 111, is electrically connected with the four-input terminal of central control module 108, and for the input of external monitoring signal, this outer signal input can be rate signal, flow signal, temperature signal or pressure signal etc.
Keyboard 112, is electrically connected with the 5th input of central control module 108, for the input of operating state and running parameter.
ROM113, is connected by serial data line with central control module 108.
NVRAM114, is connected by serial data wiring with ROM113.
SPWM module 109, the first output of input and central control module 108 is electrically connected, and the input of output and base drive circuit 106 is electrically connected.
Base drive circuit 106, the control input end of output and inverter circuit 103 is electrically connected.
Panel indicating module 110, is electrically connected the numerical value that the operating state of display system and each detection module detect under the driving of central control module 108 with the second output of central control module 108.
Central control module 108, the monitor signal value of coming in by receiving 111 inputs of input signal interface, calculative determination system is exported to the magnitude of voltage of motor 20, generate duty cycle control signal to SPWM module 109, by SPWM module 109, generate control wave, and through base drive circuit 106, drive the magnitude of voltage of inverter circuit 103 outputs.
In actual application, always to carry out some to system and arrange, therefore, described keyboard comprises that reduction arranges key, reset key, elimination fault key, code key is set.
In technical scheme of the present invention, as preferred version, described inverter circuit 103 is an IGCT pipe.Also comprise an IGCT protective circuit 115, the 6th output of the input of this IGCT protective circuit 115 and central control module 108 is electrically connected, and the base stage of output and IGCT pipe is electrically connected.When reaching protection, for cost-saving, described IGCT protective circuit 115 adopts a capacitor for voltage protection, or by a plurality of Parallel-connected Capacitors.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a motor decelerating energy-saving control system not, is characterized in that, this system comprises:
ADC rectification circuit (101), the input of output and RC filter circuit (102) is electrically connected, and converts three-phase alternating current to direct current;
RC filter circuit (102), the input of output and inverter circuit (103) is electrically connected;
Inverter circuit (103), output and motor (20) are electrically connected;
Direct voltage detection module (104), the output of its input and ADC rectification circuit (101) is electrically connected, and the first input end of input and central control module (108) is electrically connected, and detects DC voltage value;
Direct current detection module (105), the output of its input and filter circuit (102) is electrically connected, and the second input of output and central control module (108) is electrically connected, and detects DC current values;
Voltage-output detection module (107), the output of its output and inverter circuit (103) is electrically connected, and the 3rd input of output and central control module (108) is electrically connected, and detects output AC voltage value;
Input signal interface (111), is electrically connected with the four-input terminal of central control module (108), for external monitoring signal, inputs;
Keyboard (112), is electrically connected with the 5th input of central control module (108), for the input of operating state and running parameter;
ROM(113), be connected by serial data line with central control module (108);
NVRAM(114), with ROM(113) by serial data wiring, be connected;
SPWM module (109), the first output of input and central control module (108) is electrically connected, and the input of output and base drive circuit (106) is electrically connected;
Base drive circuit (106), the control input end of output and inverter circuit (103) is electrically connected;
Panel indicating module (110), is electrically connected the numerical value that the operating state of display system and each detection module detect under the driving of central control module (108) with the second output of central control module (108);
Central control module (108), the monitor signal value of coming in by receiving input signal interface (111) input, calculative determination system is exported to the magnitude of voltage of motor (20), generate duty cycle control signal to SPWM module (109), by SPWM module (109), generate control wave, and through base drive circuit (106), drive the magnitude of voltage of inverter circuit (103) output.
2. motor according to claim 1 decelerating energy-saving control system not, is characterized in that, described keyboard comprises that reduction arranges key, reset key, elimination fault key, code key is set.
3. motor according to claim 1 and 2 decelerating energy-saving control system not, is characterized in that, described inverter circuit (103) is an IGCT pipe.
4. motor according to claim 3 decelerating energy-saving control system not; it is characterized in that; also comprise an IGCT protective circuit (115); the 6th output of the input of this IGCT protective circuit (115) and central control module (108) is electrically connected, and the base stage of output and IGCT pipe is electrically connected.
5. motor according to claim 4 decelerating energy-saving control system not, is characterized in that, IGCT protective circuit (115) is a capacitor for voltage protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310518700.5A CN103532478A (en) | 2013-10-29 | 2013-10-29 | System for realizing energy-conservation control of electric motor under condition that speed is not reduced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310518700.5A CN103532478A (en) | 2013-10-29 | 2013-10-29 | System for realizing energy-conservation control of electric motor under condition that speed is not reduced |
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|---|---|
| CN103532478A true CN103532478A (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310518700.5A Pending CN103532478A (en) | 2013-10-29 | 2013-10-29 | System for realizing energy-conservation control of electric motor under condition that speed is not reduced |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103733506A (en) * | 2011-08-04 | 2014-04-16 | 夏普株式会社 | Synchronous motor driving device and device equipped with same and having a refrigeration cycle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749391A (en) * | 1980-09-08 | 1982-03-23 | Toshiba Corp | Inverter controlling circuit for driving motor |
| CN201601654U (en) * | 2009-12-17 | 2010-10-06 | 河南海泰科技有限公司 | Energy saving device of active power filter digital processing control motor |
| CN102035402A (en) * | 2010-11-24 | 2011-04-27 | 中国船舶重工集团公司第七一二研究所 | Integrated gate-commutated thyristor (IGCT)-based hybrid cascaded H-bridge multi-level high-voltage inverter |
| CN102810976A (en) * | 2011-06-04 | 2012-12-05 | 深圳市万禧节能科技有限公司 | Comprehensive power saver |
| CN202713164U (en) * | 2012-08-17 | 2013-01-30 | 绍兴文理学院 | Thickened oil electric thermal recovery heating power supply with fault diagnosing and warning functions |
| CN203590117U (en) * | 2013-10-29 | 2014-05-07 | 上海绿仁节能环保工程有限公司 | System for realizing energy-conservation control of electric motor without speed reduction |
-
2013
- 2013-10-29 CN CN201310518700.5A patent/CN103532478A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5749391A (en) * | 1980-09-08 | 1982-03-23 | Toshiba Corp | Inverter controlling circuit for driving motor |
| CN201601654U (en) * | 2009-12-17 | 2010-10-06 | 河南海泰科技有限公司 | Energy saving device of active power filter digital processing control motor |
| CN102035402A (en) * | 2010-11-24 | 2011-04-27 | 中国船舶重工集团公司第七一二研究所 | Integrated gate-commutated thyristor (IGCT)-based hybrid cascaded H-bridge multi-level high-voltage inverter |
| CN102810976A (en) * | 2011-06-04 | 2012-12-05 | 深圳市万禧节能科技有限公司 | Comprehensive power saver |
| CN202713164U (en) * | 2012-08-17 | 2013-01-30 | 绍兴文理学院 | Thickened oil electric thermal recovery heating power supply with fault diagnosing and warning functions |
| CN203590117U (en) * | 2013-10-29 | 2014-05-07 | 上海绿仁节能环保工程有限公司 | System for realizing energy-conservation control of electric motor without speed reduction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103733506A (en) * | 2011-08-04 | 2014-04-16 | 夏普株式会社 | Synchronous motor driving device and device equipped with same and having a refrigeration cycle |
| CN103733506B (en) * | 2011-08-04 | 2016-08-17 | 夏普株式会社 | Synchronous motor driving apparatus and possess the equipment of the kind of refrigeration cycle with this device |
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Application publication date: 20140122 |