CN201671802U - Fan and pump class load automatic adjusting and super power saving device - Google Patents
Fan and pump class load automatic adjusting and super power saving device Download PDFInfo
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- CN201671802U CN201671802U CN2010202034283U CN201020203428U CN201671802U CN 201671802 U CN201671802 U CN 201671802U CN 2010202034283 U CN2010202034283 U CN 2010202034283U CN 201020203428 U CN201020203428 U CN 201020203428U CN 201671802 U CN201671802 U CN 201671802U
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Abstract
The utility model discloses a fan and pump class load automatic adjusting and super power saving device. An intelligent power saving control technique and device having proprietary intellectual property rights are formed by deeply researching the features of fan and pump class load and comprehensively applying SVPWM (space vector pulse width modulation) control technique, DSP (digital signal processing) speed regulation digital processing technique, motor and load parameter detection technique and communication technique. The device can automatically adjust the output power of the motor, synchronously adjust voltage and current and make motor input power perfectly and flexibly fit with load required power to meet supply requirements according to fan and pump class load requirements and motor load size. The phenomena that a big horse is used for dragging a small vehicle are avoided, and power is saved to an utmost extent. The device can automatically run at variable frequency according to requirements. On the basis of automatic adjusting energy saving control, the utility model effectively improves the power factor of three-phase asynchronous motors for fan and pump class load, reduces non-work power, reduces motor heat producing quantity, extends the service life, and saves energy and reduces emission to an utmost extent.
Description
Technical field:
The utility model belongs to intelligence controlling device, the super battery saving arrangement of particularly a kind of blower fan load of the pumps self adaption.
Background technique:
Blower fan, load of the pumps belong to three (two) the powers torque characteristics that successively decreases, general baffle plate or the valve of adopting comes control flow rate and pressure, energy loss is huge, existing frequency variator power-saving technology also can only realize energy-conservation intermittently when running slowly, we introduce a day present technique recently, the variation of " the super battery saving arrangement of blower fan load of the pumps self adaption " technological project of research and development energy gamut continuous adaptive load reaches the purpose of economize on electricity to greatest extent voluntarily.This novel " the super battery saving arrangement of blower fan load of the pumps self adaption " can not only be according to the frequency of the variation regulating load motor of flow or pressure, and can realize the effect of moment self adaptive control.Its electric energy can increase by 8%～20% again on the energy-conservation basis of frequency variator, look different operating modes, uses " the super battery saving arrangement of blower fan load of the pumps self adaption " its total power saving rate to reach about 15%～70%.
The model utility content:
The purpose of this utility model is: provide a kind of blower fan load of the pumps self adaption super battery saving arrangement, can not only carry out the frequency control of motor speed operation according to flow or pressure demand carries out energy-conservation, and can realize self adaptive control, making load is that the motor of FLUID TRANSPORTATION such as blower fan, pump class and pressure control equipment operates under the required best power of system all the time, improve power factor, reduce wattless power, thereby reach the effect of saving a large amount of electric energy, excavated energy-conservation maximum potential in such load operation.
Content of the present utility model is:
The super battery saving arrangement of a kind of blower fan load of the pumps self adaption, be characterised in that: the power major loop connects control section and forms, and the three-phase alternating-current supply of its major loop connects rectification module, and rectification module connects filtration module, filtration module connects output module, and output module connects load blower fan or pump; Its control section connects external control interface by the DSP module; The DSP module connects output control module, demonstration and control unit module; The output control module of control section connects the rectification module and the output module of power major loop respectively; On the output power connecting line of the output module of power major loop current sensor is housed, the current sensor feedback is connected on the DSP module of control section.
External control interface connection traffic pressure testing and controlling module in its control section.
External control interface connects various external control modules: include: input/feedback control signal and output/response/driving/Communication Control signal.
Input end at this device is equipped with flow or pressure transducer.
Wherein:
Load induction module: infrared inductor GY-16A/18W/20W/86B;
Rectification module: 100～500A/1600V;
Filtration module: electrochemical capacitor 1800uF～18000uF/1200V;
Output module: IGBT 100A～900A/1200V;
Output control module: SD PCB 001～005;
Show and control module: OPE PCB 001～005;
DSP module: CPU PCB 001～005.
The Applicable scope of the utility model technology and effect:
Be mainly used in the economize on electricity control field of blower fan, pump class fluctuating load class motor.Can regulate the battery saving arrangement of power of motor according to loaded self-adaptive, i.e. variation with the loaded work piece state changes.It can its input power of FR continuous adaptive (regulating automatically) for blower fan, load of the pumps, thereby reaches the power factor that still improves motor when underloading, save load on idle state under with energy, promptly played the maximized purpose of electric energy.
Load servo-actuated intelligent electric-saving device with this art designs exploitation, the integrated core technologies such as SVPWM technology, DSP technology, variable-frequency control technique, motor load induction technology of having used, be applicable to the motor device of blower fan, load of the pumps and similar fluctuating load, have energy-efficient followup device highly integrated on high power saving rate, high stability, the structure, miniaturization on the performance, and have the characteristics easily of installing.
This device can be according to the demand of blower fan, load of the pumps, and self adaption is regulated the input voltage and the electric current of motor, and the size of power input to a machine and load is mated fully, accomplishes " supply promptly required ".
The great advantage of this control gear, be at low-load at the uniform velocity under the normal operation at the motor of blower fan, load of the pumps, can regulate with what (ductwork pressure or flows what) of load input voltage, the electric current of blower fan, pump loaded motor (15KW-135KW) automatically, the conditioned reaction ability reaches 0.01 second level, the calm innervation of system; Accomplish the optimum flexibility coupling of load demand and output power in real time, realize the electric energy management pattern of " supply promptly required "; Reach the optimum flexibility coupling.
Present technique has overcome existing frequency variator power-saving technology and can only be implemented in when slowing down energy-conservation intermittently by phased manner, for the then helpless defective of the variation of the load that occurs in each period, can follow the variation of load, realize that gamut continuous adaptive servo-actuated control load reaches the maximized purpose of power savings.
At present, this equipment has possessed the condition of marketing, and energy-saving index, performance easy to operate all are higher than the super battery saving arrangement of domestic and international various blower fan load of the pumps self adaptions, and energy-saving effect is remarkable, and the power saving rate of empty load of motor power frequency constant-speed operation is up to 70%.Present technique has been filled up blower fan, load of the pumps can't realize the blank that gamut is carried out self adaptive control with the variation of dynamic load in frequency converter timing is energy-conservation, leading both at home and abroad, cost is low, therefore has the high characteristics of rate of return on investment.
Description of drawings
Fig. 1 is the super battery saving arrangement structured flowchart of blower fan load of the pumps self adaption
Fig. 2 is the super battery saving arrangement key wiring diagram of blower fan load of the pumps self adaption
Embodiment
The super battery saving arrangement of blower fan load of the pumps self adaption as shown in Figure 1, its control section has: connect external control interface by the DSP module; The DSP module connects output control module and demonstration and control unit module; The output control module of control section connects major loop rectification module and output module; The power major loop is: connect rectification module by three phase mains, rectification module connects filtration module, and filtration module connects output module, and output module connects blower fan, pump loaded motor; Control section is connected with the power major loop: the output control module of control section connects the rectification module that the power master returns, and the output control module of control section connects the output module that the power master returns; Output module that the power master returns and blower fan, load of the pumps have current sensor with the electric power connecting line between the motor, and current sensor feeds back to the DSP module of control section.
External control interface connection speed adjustment module and various external control interface (include: input/feedback control signal and output/response/driving/Communication Control signal).
The super battery saving arrangement structure of blower fan load of the pumps self adaption: see accompanying drawing 1
Control section: form by " the DSP module " of input being provided by " external control interface " and " speed control unit " and being connected " output shows and control unit " module;
Power major loop: connect rectification module, rectification module by three phase mains and connect filtration module, filtration module again and connect the framework that output module, output module connect blower fan, pump loaded motor more again and form.
Control section is connected with the power major loop:
The output control module of control section connects the rectification module of power major loop, the output module of power major loop and blower fan, load of the pumps have current sensor with the electric power connecting line between the threephase asynchronous machine, and current sensor feeds back to the DSP module of control section.
External control interface connects various external control function modules and (includes: input/feedback control signal and output/response/driving/Communication Control signal).
Between the motor with this equipment serial connection three-phase alternating-current supply and blower fan, load of the pumps.
Energy-conservation realization principle:
The super battery saving arrangement of blower fan load of the pumps self adaption, it is in conjunction with the converter technique principle, use the High Performance DSP unit of built-in the best economize on electricity operational model based on SVPWM (space vector of voltage) method, motor (15KW-135KW) the real-time working condition parameter that the motor load inducting cell collects is carried out high speed processing, calculate the best economize on electricity voltage under the current load, current value and phase angle, through exporting modulation signal after the correction-compensation computing, drive high performance IGBT module and export corresponding PWM voltage waveform drive motor, form the control unit of inner closed-loop feedback, accomplish the optimum flexibility coupling of load demand and output power in real time, under the prerequisite that satisfies load output requirement, saving power has to greatest extent been excavated the potentiality of motor power saving.
The function of each module and application:
The DSP technology is the new technology that the high-speed computation device is applied to power equipment operation control, utilize the high-speed computation performance (nS level) of arithmetic unit, a large amount of desired datas of handling, and provide operation result fast, improve the data-handling capacity and the reaction velocity of system greatly, even can accomplish that moment is with dynamic response.DSP unit output accuracy is higher, has integrated whole advantages of voltage-type, current type frequency conversion output waveform by the PWM waveform of IGBT module output, and harmonic wave is little, and whole process is economized on electricity in real time, and power savings is remarkable.
The SVPWM technology is the space vector of voltage control frequency conversion new technology of extensive use in the present accuracy-control system, carry out the PWM waveform that the output of IGBT power model is modulated in the space vector of voltage computing by the DSP module, accurately control voltage, current waveform and frequency, the power of output, the running precision of the equipment that is driven is improved greatly, and computing and speed of response are faster.
Converter technique is applied to the structural design of main drive circuit in native system.Present technique and equipment under the control of DSP, are realized the Energy Saving Control output function to " AC-DC-AC " of power supply in conjunction with the main structure module of conventional converter technique.Used IGBT module, i.e. insulated gate bipolar power tube has the advantage of high input impedance and low conduction voltage drop two aspects concurrently, and switching speed is fast, driving power is little and saturation pressure reduces, current carrying density is big, can better realize high speed inversion output function.
The motor load induction technology is the motor detector of application of advanced, gathers the variation and the feedback information of motor load, is input to the DSP module again and uses.TTA time domain conversion current detection technology cooperates the load sensing technology, provides digital signal for detecting sampling.
Claims (4)
1. the super battery saving arrangement of blower fan load of the pumps self adaption, be characterised in that: the power major loop connects control section and forms, and the three-phase alternating-current supply of its major loop connects rectification module, and rectification module connects filtration module, filtration module connects output module, and output module connects blower fan or pump class motor; Its control section connects external control interface by the DSP module; The DSP module connects output control module, demonstration and control unit module; The output control module of control section connects the rectification module and the output module of power major loop respectively; On the output power connecting line of the output module of power major loop current sensor is housed, the current sensor feedback is connected on the DSP module of control section.
2. the super battery saving arrangement of blower fan load of the pumps self adaption according to claim 1, it is characterized in that: external control interface connects various external control modules: include: input/feedback control signal and output/response/driving/Communication Control signal.
3. the super battery saving arrangement of blower fan load of the pumps self adaption according to claim 1, it is characterized in that: the input end at this device is equipped with flow or pressure transducer.
4. the super battery saving arrangement of blower fan load of the pumps self adaption according to claim 1 is characterized in that: wherein:
Load induction module: infrared inductor GY-16A/18W/20W/86B;
Rectification module: 100～500A/1600V;
Filtration module: electrochemical capacitor 1800uF～18000uF/1200V;
Output module: IGBT 100A～900A/1200V;
Output control module: SD PCB 001～005;
Show and control module: OPE PCB 001～005;
DSP module: CPU PCB 001～005.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202034283U CN201671802U (en) | 2010-05-26 | 2010-05-26 | Fan and pump class load automatic adjusting and super power saving device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202034283U CN201671802U (en) | 2010-05-26 | 2010-05-26 | Fan and pump class load automatic adjusting and super power saving device |
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| CN201671802U true CN201671802U (en) | 2010-12-15 |
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| CN2010202034283U Expired - Fee Related CN201671802U (en) | 2010-05-26 | 2010-05-26 | Fan and pump class load automatic adjusting and super power saving device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062460A (en) * | 2011-01-20 | 2011-05-18 | 四川依米康环境科技股份有限公司 | Accurate air supply system of air conditioning unit and realizing method thereof |
| CN102339045A (en) * | 2011-07-12 | 2012-02-01 | 上海普天邮通科技股份有限公司 | Centrifugal load speed regulating equipment and monitoring system |
| CN102562548A (en) * | 2010-12-17 | 2012-07-11 | 台州神能电器有限公司 | Single-phase alternating-current frequency-conversion constant-voltage water pump |
| CN103815827A (en) * | 2014-03-04 | 2014-05-28 | 中国矿业大学 | DSP (Digital Signal Processor) based power self-adaptive dust collector |
| CN108872850A (en) * | 2017-10-25 | 2018-11-23 | 中国石油化工股份有限公司 | A kind of electrical machine energy-saving key technology test platform |
-
2010
- 2010-05-26 CN CN2010202034283U patent/CN201671802U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562548A (en) * | 2010-12-17 | 2012-07-11 | 台州神能电器有限公司 | Single-phase alternating-current frequency-conversion constant-voltage water pump |
| CN102562548B (en) * | 2010-12-17 | 2015-01-28 | 台州神能电器有限公司 | Single-phase alternating-current frequency-conversion constant-voltage water pump |
| CN102062460A (en) * | 2011-01-20 | 2011-05-18 | 四川依米康环境科技股份有限公司 | Accurate air supply system of air conditioning unit and realizing method thereof |
| CN102339045A (en) * | 2011-07-12 | 2012-02-01 | 上海普天邮通科技股份有限公司 | Centrifugal load speed regulating equipment and monitoring system |
| CN103815827A (en) * | 2014-03-04 | 2014-05-28 | 中国矿业大学 | DSP (Digital Signal Processor) based power self-adaptive dust collector |
| CN108872850A (en) * | 2017-10-25 | 2018-11-23 | 中国石油化工股份有限公司 | A kind of electrical machine energy-saving key technology test platform |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101215 Termination date: 20180526 |
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| CF01 | Termination of patent right due to non-payment of annual fee |