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Water pump control method and device

A control method and water pump technology, which is applied in pump control, liquid variable displacement machinery, machine/engine, etc., can solve the problem of high energy consumption of the system, and achieve the effect of maximizing energy efficiency and reducing energy consumption

Active Publication Date: 2016-08-24
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a water pump control method and device to at least solve the technical problem of high energy consumption of the system caused by the use of the existing water pump control method

Method used

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  • Water pump control method and device
  • Water pump control method and device

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Embodiment 1

[0030]According to an embodiment of the present invention, a water pump control method is provided, such as figure 1 As shown, the method includes:

[0031] S102. Detect the operating parameters of each water pump to be controlled in the water pump set, wherein the operating parameters include at least the pump flow rate and head of the water pump to be controlled. The water pump set includes: multiple groups of water pumps to be controlled, and each group of water pumps to be controlled contains different the number of pumps to be controlled;

[0032] S104. Obtain the operating power of each group of water pumps to be controlled according to the water pump flow and lift of the water pumps to be controlled;

[0033] S106, selecting a target operating power satisfying a predetermined condition from multiple operating powers, and operating a group of water pump groups to be controlled corresponding to the target operating power.

[0034] Optionally, in this embodiment, the abo...

Embodiment 2

[0083] According to an embodiment of the present invention, a water pump control device for implementing the above water pump control method is also provided, such as Figure 4 As shown, the device includes:

[0084] 1) The detection unit 402 is used to detect the operating parameters of each water pump to be controlled in the water pump set, wherein the operating parameters include at least the pump flow rate and head of the water pump to be controlled, and the water pump set includes: multiple groups of water pumps to be controlled, each group The water pump group to be controlled includes different numbers of water pumps to be controlled;

[0085] 2) The first obtaining unit 404 is used to obtain the operating power of each group of water pumps to be controlled according to the water pump flow rate and head of the water pump to be controlled;

[0086] 3) The control unit 406 is configured to select a target operating power satisfying a predetermined condition from a plural...

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Abstract

The invention discloses a water pump control method and device. The method comprises the steps that running parameters of each water pump to be controlled in a water pump assembly are detected and at least comprise water pump flow and lift of the water pumps to be controlled. The water pump assembly comprises a plurality of to-be-controlled water pump sets. Each to-be-controlled water pump set comprises water pumps to be controlled, wherein the number of the water pumps to be controlled in different to-be-controlled water pump sets is different. The running power of each to-be-controlled water pump set is obtained according to the water pump flow and lift of the water pumps to be controlled. The target running power meeting the preset condition is selected from the multiple levels of running power, and the to-be-controlled water pump set corresponding to the target running power run. The technical problem that due to the fact that an existing water pump control method is adopted, the system energy consumption is high is solved.

Description

technical field [0001] The present invention relates to the field of water pumps, in particular to a water pump control method and device. Background technique [0002] In traditional air conditioning systems, water pumps are usually used to transport liquids to increase the energy of the liquids. Among them, in the cold station system, the energy consumption of the water pump accounts for about 20%-30% of the energy consumption of the cold station system. Obviously, the impact of the water pump on the system is very important. In order to respond to the current demand for environmental protection and energy saving, many manufacturers Start looking for how to control the energy-saving operation of water pumps. [0003] At present, in most air-conditioning systems, multiple water pumps are operated in parallel. The common control method is to start the next water pump when the online water pump cannot meet the flow requirements. Among them, each online water pump is fully lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B49/06
Inventor 刘国林钟丹艳刘羽松龙忠铿姜春苗何玉雪李宏波谢蓉潘翠
Owner GREE ELECTRIC APPLIANCES INC
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