CN203081721U - Water pump energy-saving system - Google Patents
Water pump energy-saving system Download PDFInfo
- Publication number
- CN203081721U CN203081721U CN 201320011205 CN201320011205U CN203081721U CN 203081721 U CN203081721 U CN 203081721U CN 201320011205 CN201320011205 CN 201320011205 CN 201320011205 U CN201320011205 U CN 201320011205U CN 203081721 U CN203081721 U CN 203081721U
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- water
- intelligent control
- circulating pump
- control unit
- pump energy
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- Control Of Non-Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a water pump energy-saving system which comprises a detecting unit, a signal conditioning unit and a water-circulating pump. The water pump energy-saving system is characterized by further comprising a PLC intelligent control unit and a frequency converter. The detecting unit, the signal conditioning unit, the PLC intelligent control unit, the frequency converter and the water-circulating pump are sequentially connected. The detecting unit comprises a pressure meter and a flow meter, wherein the pressure meter is used for collecting water pressure and the flow meter is used for collecting flow. The water-circulating pump comprises a motor connected to the output end of the frequency converter. The PLC intelligent control unit controls outputting of the frequency converter according to water pressure information and flow information collected by the detecting unit. The frequency converter carries out frequency conversion speed regulation control on the motor of the water-circulating pump so that output power of the motor is accurately matched with system loads. According to the water pump energy-saving system, energy-saving efficiency can be improved by 10% to 40% and mechanical wear is reduced.
Description
Technical field
The utility model relates to a kind of pump energy saving system, relates in particular to a kind of pump energy saving system of cooling water circulation management, belongs to resource high-efficiency exploitation and comprehensive utilization technique.
Background technique
A lot of at present water circulation systems of controlling according to traditional mode or automatically controlled mode, when the applied load of whole system reduces, normally satisfy the requirement of production technology by the size of controlling opening of valve, but the motor of water pump is but still in full-speed operation, so just wasted the energy greatly, strengthen the loss of equipment simultaneously, increased the cost of production of enterprise.
Summary of the invention
At the above-mentioned defective of existing water circulation system control aspect, the utility model provides a kind of pump energy saving system, and energy-saving efficiency can improve 10%～40%, reduces mechanical wear.
In order to achieve the above object, the utility model provides a kind of pump energy saving system, comprise detection unit, water-circulating pump, it is characterized in that described pump energy saving system also comprises PLC intelligent control unit, frequency variator, described detection unit, PLC intelligent control unit, frequency variator, water-circulating pump connect successively.
Preferably, also be connected with the signal condition unit between described detection unit and the described PLC intelligent control unit.
Preferably, described detection unit comprises the pressure gauge of gathering hydraulic pressure and the flowmeter of gathering flow.
Preferably, water-circulating pump comprises the motor that is connected to described inverter output terminal.
Described PLC intelligent control unit is given inverter control signal according to the hydraulic pressure and the flow of signal condition cell processing, the signal of described frequency variator response PLC intelligent control unit is done variable frequency regulating speed control to the motor of water-circulating pump, and motor output power and system loading are accurately mated.
Compared with prior art, a kind of pump energy saving of the utility model system is according to gathering the pressure and the flow information of coming in real time, the PLC intelligent control unit is controlled the running speed that frequency variator is regulated the water-circulating pump motor in real time, and motor output power and system loading are accurately mated, and has solved the big problem of electric energy loss, improved the utilization efficiency of electric energy, rotating speed of motor is adjusted in real time simultaneously, has reduced mechanical wear, and whole system is by the PLC intelligent control, belong to soft start, improved the stability of power supply.
Description of drawings
Fig. 1 is control principle figure of the present utility model
Embodiment
In order to make the purpose of this utility model and advantage clearer,, the utility model is further described in detail below in conjunction with drawings and Examples.
With reference to figure 1 control principle figure, a kind of pump energy saving of the utility model system mainly comprises detection unit 10, signal condition unit 20, PLC intelligent control unit 30, frequency variator 40, water-circulating pump 50.It is characterized in that detection unit 10 comprises pressure gauge 10a that is located at described water-circulating pump water outlet place and the flowmeter 10b that is located at the coolant outlet place, the analogue signal of described detection unit 10 outputs is connected to described signal condition unit through circuit, the digital signal of described signal condition unit output is connected to described PLC intelligent control unit through circuit, the pulse signal of described PPLC intelligent control unit output is connected to described Frequency Converter Control port through circuit, and described frequency variator output analogue signal is connected to the motor of described water-circulating pump through circuit.
Described PLC intelligent control unit is given inverter control signal according to the hydraulic pressure and the flow of signal condition cell processing, the signal of described frequency variator response PLC intelligent control unit is done variable frequency regulating speed control to the motor of water-circulating pump, and motor output power and system loading are accurately mated.
The above; it only is embodiment of the present utility model; protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claim was defined.
Claims (4)
1. a pump energy saving system comprises detection unit, water-circulating pump, it is characterized in that described pump energy saving system also comprises PLC intelligent control unit, frequency variator, and described detection unit, PLC intelligent control unit, frequency variator, water-circulating pump connect successively.
2. a kind of pump energy saving according to claim 1 system is characterized in that also being connected with the signal condition unit between described detection unit and the described PLC intelligent control unit.
3. a kind of pump energy saving according to claim 1 system is characterized in that described detection unit comprises the pressure gauge of gathering hydraulic pressure and the flowmeter of gathering flow.
4. a kind of pump energy saving according to claim 1 system is characterized in that described water-circulating pump comprises the motor that is connected to described inverter output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011205 CN203081721U (en) | 2013-01-10 | 2013-01-10 | Water pump energy-saving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011205 CN203081721U (en) | 2013-01-10 | 2013-01-10 | Water pump energy-saving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203081721U true CN203081721U (en) | 2013-07-24 |
Family
ID=48827563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320011205 Expired - Lifetime CN203081721U (en) | 2013-01-10 | 2013-01-10 | Water pump energy-saving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203081721U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452824A (en) * | 2013-09-06 | 2013-12-18 | 武汉理工大学 | Fan and water pump energy saving system adopting minimum power algorithm based on flow-power curve |
| CN105864014A (en) * | 2016-04-25 | 2016-08-17 | 广东博宇集团有限公司 | Water pump control method, device and system |
| CN106194683A (en) * | 2016-07-12 | 2016-12-07 | 核工业北京化工冶金研究院 | A kind of immersible pump dynamic flow intelligence control system and method |
| CN107906023A (en) * | 2017-11-08 | 2018-04-13 | 江苏国泉泵业制造有限公司 | A kind of regulating valve of centrifugal pump is non-to close startup control method |
-
2013
- 2013-01-10 CN CN 201320011205 patent/CN203081721U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452824A (en) * | 2013-09-06 | 2013-12-18 | 武汉理工大学 | Fan and water pump energy saving system adopting minimum power algorithm based on flow-power curve |
| CN103452824B (en) * | 2013-09-06 | 2015-12-02 | 武汉理工大学 | Based on the energy saving in fans and pumps system of the minimum power algorithm of flow-power curve |
| CN105864014A (en) * | 2016-04-25 | 2016-08-17 | 广东博宇集团有限公司 | Water pump control method, device and system |
| CN105864014B (en) * | 2016-04-25 | 2017-10-13 | 广东博宇集团有限公司 | Water pump control method, apparatus and system |
| CN106194683A (en) * | 2016-07-12 | 2016-12-07 | 核工业北京化工冶金研究院 | A kind of immersible pump dynamic flow intelligence control system and method |
| CN107906023A (en) * | 2017-11-08 | 2018-04-13 | 江苏国泉泵业制造有限公司 | A kind of regulating valve of centrifugal pump is non-to close startup control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: The purple road high tech Zone of Suzhou City, Jiangsu Province, No. 55 215000 Patentee after: AQUA WORTH (SUZHOU) ENVIRONMENTAL PROTECTION CO.,LTD. Address before: 215011 No. 55 Zijin Road, New District, Jiangsu, Suzhou Patentee before: AQUA WORTH (SUZHOU) ENVIRONMENTAL PROTECTION Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |