CN201918739U - Energy-storage-type electricity-saving control device of water pump - Google Patents
Energy-storage-type electricity-saving control device of water pump Download PDFInfo
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- CN201918739U CN201918739U CN2010206952087U CN201020695208U CN201918739U CN 201918739 U CN201918739 U CN 201918739U CN 2010206952087 U CN2010206952087 U CN 2010206952087U CN 201020695208 U CN201020695208 U CN 201020695208U CN 201918739 U CN201918739 U CN 201918739U
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Abstract
The utility model relates to an energy-storage-type electricity-saving control device of a water pump, belonging to the field of motor energy-saving control techniques. The energy-storage-type electricity-saving control device of the water pump comprises a water pump operating parameter detection circuit (10), a three-phase rectification circuit (20), a charging circuit (30), a battery (40), a battery switch (50), a three-phase inverter (60), a capacitor (70), a control circuit (80) and a three-phase power supply contactor (90). When the energy-storage-type electricity-saving control device of the water pump is used on a water pump with an alternating-current motor, two energy saving methods, i.e. a speed-regulation energy saving method and a grid peak load shifting method can be respectively and simultaneously realized, and generally 20 percent to 90 percent of electricity can be saved. The energy-storage-type electricity-saving control device of the water pump has the advantages of simple and convenient structure, intuitive metering, remarkable electricity saving effect and promising prospect of application to water pump energy saving.
Description
Technical field
The utility model relates to accumulation energy type water pump electricity-saving control 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 water pump that has three-phase alternating-current motor.
Background technology
Along with progress, the development of science and technology of society, the three-phase alternating-current motor water pump has become a kind of being seen everywhere, the common universal electromechanical equipment that is used on a large scale.The power consumption of the three-phase alternating-current motor water pump electric energy energy consumption in the whole nation has relatively occupied suitable ratio.
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 water pump being carried out power-saving Retrofit.
At present, a lot of occasions are arranged, the three-phase alternating-current motor water pump 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 accumulation energy type water pump of power savings electricity-saving control device.
In order to realize that above-mentioned utility model purpose adopts following technical scheme:
Accumulation energy type water pump electricity-saving control device of the present utility model comprises water pump operation parameter detecting circuit (10), rectified three-phase circuit (20), charging circuit (30), battery (40), cell switch (50), three-phase inverter (60), capacitor (70), control circuit (80), three phase mains contactor (90).The external electrical network three phase mains inserts the input of three phase mains contactor (90), the output of three phase mains contactor (90) respectively with the input of rectified three-phase circuit (20), the input of charging circuit (30) connects, the output of rectified three-phase circuit (20) respectively with the input of cell switch (50), three-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 three-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with water pump operation parameter detecting circuit (10), the control end of rectified three-phase circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of three-phase inverter (60), the control end of three phase mains contactor (90) is connected, the output of three-phase inverter (60) is connected with the water pump alternating current motor, and water pump operation parameter detecting circuit (10) is connected with transducer on being installed on water pump.
Adopted the accumulation energy type water pump electricity-saving control device of this utility model, can realize simultaneously that the dynamic speed adjustment of water pump 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 water pump 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 water pump 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.Aspect pump energy saving, be with a wide range of applications.
Description of drawings
Accompanying drawing is the operation principle block diagram of accumulation energy type water pump electricity-saving control 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 the water pump that is applied to 380V, a 50HZ, 3 phases, 15KW is reference, this accumulation energy type water pump electricity-saving control device comprises water pump operation parameter detecting circuit (10), rectified three-phase circuit (20), charging circuit (30), battery (40), cell switch (50), three-phase inverter (60), capacitor (70), control circuit (80), three phase mains contactor (90).The external electrical network three phase mains inserts the input of three phase mains contactor (90), the output of three phase mains contactor (90) respectively with the input of rectified three-phase circuit (20), the input of charging circuit (30) connects, the output of rectified three-phase circuit (20) respectively with the input of cell switch (50), three-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 three-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with water pump operation parameter detecting circuit (10), the control end of rectified three-phase circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of three-phase inverter (60), the control end of three phase mains contactor (90) is connected, the output of three-phase inverter (60) is connected with the water pump alternating current motor, and water pump operation parameter detecting circuit (10) is connected with transducer on being installed on water pump.
Simultaneously, the power device that is comprised in the three-phase inverter (60) in this accumulation energy type water pump electricity-saving control 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 380V50HZ power supply is linked into charging circuit (30) and rectified three-phase circuit (20) through three phase mains 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 rectified three-phase circuit (20), through three-phase inverter (60) direct current is converted into the alternating current of frequency adjustable, and this alternating current is sent to water pump, the different speed of the corresponding water pump of different frequencies.Control circuit (80) receives the feedback signal of water pump operation parameter detecting circuit (10) in real time, and through after the computing, to three-phase inverter (60), the corresponding frequency of three-phase inverter (60) output arrives pump motor with the output speed signal.Pump motor speed descends, and will cause pump 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 three-phase inverter (60) by battery (40) by cell switch (50), at this moment, rectified three-phase circuit (20) automatic disconnection, the direct current that battery (40) provides is converted into the alternating current of frequency adjustable through three-phase inverter (60) with direct current, and this alternating current is sent to water pump, the different speed of the corresponding water pump of different frequencies.Control circuit (80) receives the feedback signal of water pump operation parameter detecting circuit (10) in real time, and through after the computing, to three-phase inverter (60), the corresponding frequency of three-phase inverter (60) output arrives pump motor with the output speed signal.Pump motor speed descends, and will cause pump energy consumption to decline to a great extent.
For the water pump of this 380V, 50HZ, 3 phases, 15KW, motor speed can be regulated according to water pump 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, accumulation energy type water pump electricity-saving control 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, accumulation energy type water pump electricity-saving control device of the present utility model can discharge so that the peak electricity consumption has been avoided in the water pump normal operation from battery (40), and the actual electricity charge wholesale of paying is reduced.
Adopted the accumulation energy type water pump electricity-saving control device of this utility model, can realize simultaneously that the dynamic speed adjustment of water pump 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 water pump 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 water pump 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.Aspect pump energy saving, be with a wide range of applications.
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 the three-phase water pump.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (2)
1. an accumulation energy type water pump electricity-saving control device comprises water pump operation parameter detecting circuit (10), rectified three-phase circuit (20), charging circuit (30), battery (40), cell switch (50), three-phase inverter (60), capacitor (70), control circuit (80), three phase mains contactor (90); The external electrical network three phase mains inserts the input of three phase mains contactor (90), the output of three phase mains contactor (90) respectively with the input of rectified three-phase circuit (20), the input of charging circuit (30) connects, the output of rectified three-phase circuit (20) respectively with the input of cell switch (50), three-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 three-phase inverter (60) is connected with capacitor (70), control circuit (80) respectively with water pump operation parameter detecting circuit (10), the control end of rectified three-phase circuit (20), the control end of charging circuit (30), the control end of cell switch (50), the control end of three-phase inverter (60), the control end of three phase mains contactor (90) is connected, the output of three-phase inverter (60) is connected with the water pump alternating current motor, and water pump operation parameter detecting circuit (10) is connected with transducer on being installed on water pump.
2. accumulation energy type water pump electricity-saving control device according to claim 1 is characterized in that: the power device in the described three-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)
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CN2010206952087U CN201918739U (en) | 2010-12-28 | 2010-12-28 | Energy-storage-type electricity-saving control device of water pump |
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CN2010206952087U CN201918739U (en) | 2010-12-28 | 2010-12-28 | Energy-storage-type electricity-saving control device of water pump |
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CN201918739U true CN201918739U (en) | 2011-08-03 |
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CN2010206952087U Expired - Fee Related CN201918739U (en) | 2010-12-28 | 2010-12-28 | Energy-storage-type electricity-saving control device of water pump |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103089597A (en) * | 2012-12-31 | 2013-05-08 | 国家电网公司 | Control method of high-pressure variable-frequency water pump system |
-
2010
- 2010-12-28 CN CN2010206952087U patent/CN201918739U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103089597A (en) * | 2012-12-31 | 2013-05-08 | 国家电网公司 | Control method of high-pressure variable-frequency water pump system |
CN103089597B (en) * | 2012-12-31 | 2016-08-03 | 国家电网公司 | A kind of control method of high-pressure variable-frequency water pump system |
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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: 20110803 Termination date: 20111228 |