CN103423138A - Energy-saving intelligent control device of air compressor - Google Patents
Energy-saving intelligent control device of air compressor Download PDFInfo
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- CN103423138A CN103423138A CN2012101118054A CN201210111805A CN103423138A CN 103423138 A CN103423138 A CN 103423138A CN 2012101118054 A CN2012101118054 A CN 2012101118054A CN 201210111805 A CN201210111805 A CN 201210111805A CN 103423138 A CN103423138 A CN 103423138A
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- air compressor
- contactor
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Abstract
The invention discloses an energy-saving intelligent control device of an air compressor. The energy-saving intelligent control device comprises an external power supply, a switching unit, a circuit controller, a variable-frequency speed regulator, a PID (proportion, integration and differentiation) regulator and a pressure sensor. The switching unit comprises a mains supply contactor and a power-saving contactor, one of an input end of the mains supply contactor and an input end of the power-saving contactor is selectively conducted with an output end of the external power supply, and the circuit controller is electrically connected between an output end of the mains supply contactor and a motor of the air compressor; the variable-frequency speed regulator is electrically connected between an output end of the power-saving contactor and the motor of the air compressor, the pressure sensor can detect air pressure signals in an air storage tank and transmit the air pressure signals to the PID regulator, the PID regulator analyzes and computes the air pressure signals and transmits control commands to the variable-frequency speed regulator, and the rotation speed and torque of the motor of the air compressor can be regulated by the variable-frequency speed regulator. The energy-saving intelligent control device has the advantages that the air compressor can stably run according to a set pressure value, mechanical impact force can be reduced, and energy can be saved.
Description
Technical field
The present invention relates to the energy-saving control device for air compressor field, relate in particular to a kind of air compressor energy-saving intelligent controlling device.
Background technique
On the live axle of air compressor, needed air horsepower and exhaust pressure, rotating speed have direct relation, in actual motion, air compressor does not move under specified working state, the height of exhaust pressure rises and falls and not only directly has influence on the size variation of actual axle power, and the moving elements such as bearing are caused to certain wearing and tearing; But also can cause a large amount of electric energy to be wasted.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of air compressor energy-saving intelligent controlling device, this energy-saving intelligent control device has perfect civil power/economize on electricity conversion function, stable gas pressure, energy saving.
The present invention for the technological scheme that solves its technical problem and adopt is: a kind of air compressor energy-saving intelligent controlling device, comprise external power supply, switching unit, circuit controller, variable-frequency governor, PID regulator and pressure transducer, wherein, described switching unit comprises city's electric contactor and electric-saving contactor, the input end of described city electric contactor and the input end of electric-saving contactor are selected a conducting in the output terminal of described external power supply, and described circuit controller is electrically connected between the output terminal and air compressor motor of described city electric contactor; Described variable-frequency governor is electrically connected between the output terminal and air compressor motor of described electric-saving contactor, another described pressure transducer can detect the air pressure signal in gas holder, and described air pressure signal is transferred to described PID regulator, described PID regulator carries out analysis and calculation to described air pressure signal, and control command is transferred to described variable-frequency governor, described variable-frequency governor is regulated rotating speed and the torque of air compressor motor.
As a further improvement on the present invention, also be provided with the power factor compensation module, described power factor compensation module is electrically connected between described variable-frequency governor and air compressor motor.
The invention has the beneficial effects as follows: by utilizing switching unit, automatically regulate and switch power-saving running state and the civil power running state of air compressor, utilize pressure transducer to detect the air pressure signal in gas holder, and described air pressure signal is transferred to the PID regulator, this PID regulator carries out analysis and calculation to described air pressure signal, and control command is transferred to the variable-frequency governor frequency conversion, make air compressor be able to, by setup pressure value stable operation, reduce mechanical impact force and energy-conservation.
The accompanying drawing explanation
Fig. 1 is structural principle skeleton diagram of the present invention.
Embodiment
With reference to the accompanying drawings the embodiment of air compressor energy-saving intelligent controlling device of the present invention is elaborated.
A kind of air compressor energy-saving intelligent controlling device of the present invention, comprise external power supply 1, switching unit, circuit controller 4, variable-frequency governor 5, PID regulator 6 and pressure transducer 7, wherein, described switching unit comprises city's electric contactor 2 and electric-saving contactor 3, the input end of described city electric contactor and the input end of electric-saving contactor are selected a conducting in the output terminal of described external power supply, and described circuit controller is electrically connected between the output terminal and air compressor motor of described city electric contactor; Described variable-frequency governor is electrically connected between the output terminal and air compressor motor of described electric-saving contactor, another described pressure transducer can detect the air pressure signal in gas holder, and described air pressure signal is transferred to described PID regulator, described PID regulator carries out analysis and calculation to described air pressure signal, and control command is transferred to described variable-frequency governor, described variable-frequency governor is regulated rotating speed and the torque of air compressor motor.
In the present embodiment, also be provided with the power factor compensation module, described power factor compensation module is electrically connected between described variable-frequency governor and air compressor motor.
Claims (2)
1. an air compressor energy-saving intelligent controlling device, it is characterized in that: comprise external power supply (1), switching unit, circuit controller (4), variable-frequency governor (5), PID regulator (6) and pressure transducer (7), wherein, described switching unit comprises city's electric contactor (2) and electric-saving contactor (3), the input end of described city electric contactor and the input end of electric-saving contactor are selected a conducting in the output terminal of described external power supply, and described circuit controller is electrically connected between the output terminal and air compressor motor of described city electric contactor; Described variable-frequency governor is electrically connected between the output terminal and air compressor motor of described electric-saving contactor, another described pressure transducer can detect the air pressure signal in gas holder, and described air pressure signal is transferred to described PID regulator, described PID regulator carries out analysis and calculation to described air pressure signal, and control command is transferred to described variable-frequency governor, described variable-frequency governor is regulated rotating speed and the torque of air compressor motor.
2. air compressor energy-saving intelligent controlling device according to claim 1, it is characterized in that: also be provided with the power factor compensation module, described power factor compensation module is electrically connected between described variable-frequency governor and air compressor motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101118054A CN103423138A (en) | 2012-04-17 | 2012-04-17 | Energy-saving intelligent control device of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101118054A CN103423138A (en) | 2012-04-17 | 2012-04-17 | Energy-saving intelligent control device of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103423138A true CN103423138A (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101118054A Pending CN103423138A (en) | 2012-04-17 | 2012-04-17 | Energy-saving intelligent control device of air compressor |
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| Country | Link |
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| CN (1) | CN103423138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050607A (en) * | 2016-07-20 | 2016-10-26 | 洛阳鸿泰半导体有限公司 | Energy-saving air compressor |
| CN106438273A (en) * | 2016-10-17 | 2017-02-22 | 广汉市思科信达科技有限公司 | Oil pipeline air compression energy saving device system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214137A (en) * | 2004-01-30 | 2005-08-11 | Hitachi Ltd | Compressor |
| CN101090255A (en) * | 2006-06-16 | 2007-12-19 | 乐金电子(天津)电器有限公司 | Air conditioner frequency conversion control circuit |
| CN201467065U (en) * | 2009-08-14 | 2010-05-12 | 河南中烟工业有限责任公司 | Variable frequency control system of air compressor motor |
| CN201696276U (en) * | 2010-06-17 | 2011-01-05 | 山东梁山蓝天集团纺织有限公司 | Frequency conversion control system for constant-temperature air supply of air compressor |
| CN201902328U (en) * | 2010-12-07 | 2011-07-20 | 福州固力工业成套设备有限公司 | Variable-frequency screw air compressor |
| CN202579137U (en) * | 2012-04-17 | 2012-12-05 | 苏州徕卡节能电气技术有限公司 | Energy-saving intelligent control device for air compressor |
-
2012
- 2012-04-17 CN CN2012101118054A patent/CN103423138A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005214137A (en) * | 2004-01-30 | 2005-08-11 | Hitachi Ltd | Compressor |
| CN101090255A (en) * | 2006-06-16 | 2007-12-19 | 乐金电子(天津)电器有限公司 | Air conditioner frequency conversion control circuit |
| CN201467065U (en) * | 2009-08-14 | 2010-05-12 | 河南中烟工业有限责任公司 | Variable frequency control system of air compressor motor |
| CN201696276U (en) * | 2010-06-17 | 2011-01-05 | 山东梁山蓝天集团纺织有限公司 | Frequency conversion control system for constant-temperature air supply of air compressor |
| CN201902328U (en) * | 2010-12-07 | 2011-07-20 | 福州固力工业成套设备有限公司 | Variable-frequency screw air compressor |
| CN202579137U (en) * | 2012-04-17 | 2012-12-05 | 苏州徕卡节能电气技术有限公司 | Energy-saving intelligent control device for air compressor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106050607A (en) * | 2016-07-20 | 2016-10-26 | 洛阳鸿泰半导体有限公司 | Energy-saving air compressor |
| CN106050607B (en) * | 2016-07-20 | 2018-09-11 | 洛阳鸿泰半导体有限公司 | A kind of energy-saving air compressor |
| CN106438273A (en) * | 2016-10-17 | 2017-02-22 | 广汉市思科信达科技有限公司 | Oil pipeline air compression energy saving device system |
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Application publication date: 20131204 |