CN201766551U - Single-phase air compressor frequency conversion energy economizer - Google Patents
Single-phase air compressor frequency conversion energy economizer Download PDFInfo
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- CN201766551U CN201766551U CN2010205205024U CN201020520502U CN201766551U CN 201766551 U CN201766551 U CN 201766551U CN 2010205205024 U CN2010205205024 U CN 2010205205024U CN 201020520502 U CN201020520502 U CN 201020520502U CN 201766551 U CN201766551 U CN 201766551U
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Abstract
The utility model relates to a single-phase air compressor frequency conversion energy economizer, which belongs to the technique field of motor energy-saving control. The energy economizer includes an air compressor operation parameter detection circuit (10), a single-phase rectification circuit (20), a charging circuit (30), a battery (40), a battery switch (50), a single-phase inverter (60), a capacitor (70), a control circuit (80), and a single-phase power supply contactor (90). By means of employing the single-phase air compressor frequency conversion energy economizer for the air compressor having an AC motor, it is possible to implementing two energy-saving methods of timing energy-saving and electric network peak-chopping vale-filling simultaneously, and it is possible to save energy by 20-90% in general. The single-phase air compressor frequency conversion energy economizer has advantages of simple structure, visual metering and remarkable electricity-saving effect, and has a wide application prospect on air compressor energy-saving.
Description
Technical field
The utility model relates to single-phase air compressor machine frequency-variable energy-saving device, belongs to energy saving motor control technology field, is specifically related to a kind of variable speed energy saving and these two kinds of power control units that power-economizing method economizes on electricity of electrical network peak load shifting realized simultaneously.Be applicable on the air compressor machine that has single-phase AC motor.
Background technology
Along with progress, the development of science and technology of society, the positive growing tension of 21 century global energy, China is again energy resource consumption big country, energy-conservation economize on electricity is imperative.
Therefore, it is necessary air compressor machine being carried out power-saving Retrofit.
At present, a lot of occasions are arranged, the single-phase AC motor air compressor machine does not adopt power-saving technology that it is carried out reducing energy consumption, or only just frequency converter has been installed simply its speed fixedly is reduced to certain value and does not carry out dynamic adjustments.
The utility model content
The purpose of this utility model is the shortcoming that has overcome above-mentioned waste of energy of the prior art, provide a kind of simple and practical, cost is lower, can fully automatic operation, the significant single-phase air compressor machine frequency-variable energy-saving device of power savings.
In order to realize that above-mentioned utility model purpose adopts following technical scheme:
Single-phase air compressor machine frequency-variable energy-saving device of the present utility model comprises compressor operation parameter detecting circuit (10), single phase rectifier circuit (20), charging circuit (30), battery (40), cell switch (50), single-phase inverter (60), capacitor (70), control circuit (80), single phase poaer supply contactor (90).The external electrical network single phase poaer supply inserts the input of single phase poaer supply contactor (90), the output of single phase poaer supply contactor (90) respectively with the input of single phase rectifier circuit (20), the input of charging circuit (30) connects, the output of single phase rectifier circuit (20) respectively with the input of cell switch (50), single-phase inverter (60) input is connected, the output of cell switch (50) respectively with the output of charging circuit (30), battery (40) is connected, the dc terminal of single-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with compressor operation parameter detecting circuit (10), the control end of single phase rectifier circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of single-phase inverter (60), the control end of single phase poaer supply contactor (90) is connected, the output of single-phase inverter (60) is connected with the air compressor machine alternating current motor, and compressor operation parameter detecting circuit (10) is connected with transducer on being installed on air compressor machine.
Adopted the single-phase air compressor machine frequency-variable energy-saving device of this utility model, can realize simultaneously that the dynamic speed adjustment of air compressor machine is energy-conservation and the electrical network peak load shifting is carried out these two kinds of power-economizing methods of electric power storage energy storage to economize on electricity.When this battery saving arrangement is applied on the air compressor machine of not making similar power-saving Retrofit, generally can obtain 20%～90% power savings, electricity-saving appliance of the present utility model does not influence the use of air compressor machine operate as normal simultaneously, simple installation, possess good economic benefit and social benefit, and simple and practical, and cost is lower, can fully automatic operation, power savings is remarkable.Be with a wide range of applications aspect energy-conservation at air compressor machine.
Description of drawings
Accompanying drawing is the operation principle block diagram of single-phase air compressor machine frequency-variable energy-saving device of the present utility model.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
Consult shown in the accompanying drawing, with be applied to 220V, a 50HZ, air compressor machine single-phase, 1.5KW is reference, this single-phase air compressor machine frequency-variable energy-saving device comprises compressor operation parameter detecting circuit (10), single phase rectifier circuit (20), charging circuit (30), battery (40), cell switch (50), single-phase inverter (60), capacitor (70), control circuit (80), single phase poaer supply contactor (90).The external electrical network single phase poaer supply inserts the input of single phase poaer supply contactor (90), the output of single phase poaer supply contactor (90) respectively with the input of single phase rectifier circuit (20), the input of charging circuit (30) connects, the output of single phase rectifier circuit (20) respectively with the input of cell switch (50), single-phase inverter (60) input is connected, the output of cell switch (50) respectively with the output of charging circuit (30), battery (40) is connected, the dc terminal of single-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with compressor operation parameter detecting circuit (10), the control end of single phase rectifier circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of single-phase inverter (60), the control end of single phase poaer supply contactor (90) is connected, the output of single-phase inverter (60) is connected with the air compressor machine alternating current motor, and compressor operation parameter detecting circuit (10) is connected with transducer on being installed on air compressor machine.
Simultaneously, the power device that is comprised in the single-phase inverter (60) in this single-phase air compressor machine frequency-variable energy-saving device can be V-type groove metal-oxide-semiconductor field effect transistor (VMOS), igbt (IGBT), integral gate change transistor (IGCT), smart power switch device and drive circuit integration module (IPM) or intelligent power integrated circuit (SPIC).
The 220V50HZ power supply is linked into charging circuit (30) and single phase rectifier circuit (20) through single phase poaer supply contactor (90), when electricity price electricity price at a low ebb at 22 (being generally in evening to point on daytimes 8), charging circuit (30) puts into operation, charge for battery (40), cell switch this moment (50) disconnects.Civil power becomes direct current by single phase rectifier circuit (20), through single-phase inverter (60) direct current is converted into the alternating current of frequency adjustable, and this alternating current is sent to air compressor machine, the different speed of the corresponding air compressor machine of different frequencies.Control circuit (80) receives the feedback signal of compressor operation parameter detecting circuit (10) in real time, and through after the computing, to single-phase inverter (60), the corresponding frequency of single-phase inverter (60) output arrives air compressor motor with the output speed signal.Air compressor motor speed descends, and will cause the air compressor machine energy consumption to decline to a great extent.
When electricity price is in peak when electricity (be generally daytime to point in evenings 22) at 8, charging circuit (30) automatic disconnection, carry out direct current supply for single-phase inverter (60) by battery (40) by cell switch (50), at this moment, single phase rectifier circuit (20) automatic disconnection, the direct current that battery (40) provides is converted into the alternating current of frequency adjustable through single-phase inverter (60) with direct current, and this alternating current is sent to air compressor machine, the different speed of the corresponding air compressor machine of different frequencies.Control circuit (80) receives the feedback signal of compressor operation parameter detecting circuit (10) in real time, and through after the computing, to single-phase inverter (60), the corresponding frequency of single-phase inverter (60) output arrives air compressor motor with the output speed signal.Air compressor motor speed descends, and will cause the air compressor machine energy consumption to decline to a great extent.
For the air compressor machine of this 220V, 50HZ, single-phase, 1.5KW, motor speed can be regulated according to compressor operation parameter detecting circuit (10), and energy consumption can significantly reduce.Because electric power low ebb electricity price is cheap more a lot of than peak electricity tariff, when being in electric power low ebb electricity price, single-phase air compressor machine frequency-variable energy-saving device of the present utility model can be to battery (40) charging accumulation of energy simultaneously; When being in the electric power peak electricity tariff, single-phase air compressor machine frequency-variable energy-saving device of the present utility model can discharge so that the peak electricity consumption has been avoided in the air compressor machine normal operation from battery (40), and the actual electricity charge wholesale of paying is reduced.
Adopted the single-phase air compressor machine frequency-variable energy-saving device of this utility model, can realize simultaneously that the dynamic speed adjustment of air compressor machine is energy-conservation and the electrical network peak load shifting is carried out these two kinds of power-economizing methods of electric power storage energy storage to economize on electricity.When this battery saving arrangement is applied on the air compressor machine of not making similar power-saving Retrofit, generally can obtain 20%～90% power savings, electricity-saving appliance of the present utility model does not influence the use of air compressor machine operate as normal simultaneously, simple installation, possess good economic benefit and social benefit, and simple and practical, and cost is lower, can fully automatic operation, power savings is remarkable.Be with a wide range of applications aspect energy-conservation at air compressor machine.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model at single-phase air compressor machine.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (2)
1. a single-phase air compressor machine frequency-variable energy-saving device comprises compressor operation parameter detecting circuit (10), single phase rectifier circuit (20), charging circuit (30), battery (40), cell switch (50), single-phase inverter (60), capacitor (70), control circuit (80), single phase poaer supply contactor (90); The external electrical network single phase poaer supply inserts the input of single phase poaer supply contactor (90), the output of single phase poaer supply contactor (90) respectively with the input of single phase rectifier circuit (20), the input of charging circuit (30) connects, the output of single phase rectifier circuit (20) respectively with the input of cell switch (50), single-phase inverter (60) input is connected, the output of cell switch (50) respectively with the output of charging circuit (30), battery (40) is connected, the dc terminal of single-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with compressor operation parameter detecting circuit (10), the control end of single phase rectifier circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of single-phase inverter (60), the control end of single phase poaer supply contactor (90) is connected, the output of single-phase inverter (60) is connected with the air compressor machine alternating current motor, and compressor operation parameter detecting circuit (10) is connected with transducer on being installed on air compressor machine.
2. single-phase air compressor machine frequency-variable energy-saving device according to claim 1 is characterized in that: the power device in the described single-phase inverter (60) is V-type groove metal-oxide-semiconductor field effect transistor (VMOS), igbt (IGBT), integral gate change transistor (IGCT), smart power switch device and drive circuit integration module (IPM) or intelligent power integrated circuit (SPIC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205205024U CN201766551U (en) | 2010-09-07 | 2010-09-07 | Single-phase air compressor frequency conversion energy economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205205024U CN201766551U (en) | 2010-09-07 | 2010-09-07 | Single-phase air compressor frequency conversion energy economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201766551U true CN201766551U (en) | 2011-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205205024U Expired - Fee Related CN201766551U (en) | 2010-09-07 | 2010-09-07 | Single-phase air compressor frequency conversion energy economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201766551U (en) |
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2010
- 2010-09-07 CN CN2010205205024U patent/CN201766551U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20120907 |