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Intelligent pressure regulating water supply controlling method

An energy-saving control and intelligent technology, which is applied in the direction of electric fluid pressure control, water supply device, water saving, etc., can solve the problems of insufficient water pressure at the user end, increase the water pressure drop of the pipeline, and different water consumption, etc., to achieve the control effect Fast, energy-saving space, the effect of saving money

Inactive Publication Date: 2007-06-06
上海联达节能科技股份有限公司
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although constant-pressure water supply in different periods meets certain energy-saving needs, due to seasonal changes (such as summer and winter) and date changes (such as working days and rest days), the water consumption at the same time every day will also vary.
In addition, when the water consumption is large, due to the increase of the water flow velocity in the pipeline, the water pressure drop in the pipeline will be increased, which will cause insufficient water pressure at the user end

Method used

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  • Intelligent pressure regulating water supply controlling method
  • Intelligent pressure regulating water supply controlling method
  • Intelligent pressure regulating water supply controlling method

Examples

Experimental program
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Embodiment 1

[0025] Embodiment 1: It consists of a 75KW water pump set, a 1MPa pressure gauge, an LDJ-3000 controller, and an LDJ-2900 control cabinet. Its structure is shown in Figure 1. Among them, one end of the water pump group is connected to the pool through a pipeline, and the other end is connected to the user end through the main water supply pipe. A pressure gauge is installed on the main water supply pipe between the water pump group and the user end. The control cabinet is connected to the water pump group.

[0026] As shown in Figure 2, when the water consumption is small and the water supply flow rate is low, that is, when the total flow rate is below 60%, PID can be used to adjust the constant pressure water supply. When the peak water consumption is reached, the water supply will exceed 60% of the total flow. Assuming that the number of pumps in the pump group is N, the maximum frequency of each pump is 50Hz, and the maximum output of 3 pumps is 150Hz. In addition, the swi...

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Abstract

The present invention belongs to the field of electronic and control technology. In the concrete, it relates to an intelligent pressure-regulated water supply energy-saving control method. Said method includes the following several steps: water pump unit can be used for pumping water and supplying water to user, the pressure gauge positioned in main pipeline can be used for transferring the detected pressure to the controller, and said controller can adopt PID regulation combined fuzzy control method and can utilize control box to control water pump operation and its operation frequency. Said invention also provides the working principle of said water supply control method and its concrete operation steps.

Description

technical field [0001] The invention belongs to the technical field of electronics and control, and in particular relates to an intelligent pressure regulating water supply control method. Background technique [0002] Water supply is closely related to people's living and production activities, and a large amount of electric energy is used in water supply. Due to the influence of many factors such as design requirements, equipment parameter changes, and demand uncertainty at the demand side, the waste of electric energy is serious. Reducing waste is an urgent need for social and economic benefits. [0003] At present, the treated water of the waterworks is generally pumped to the reservoir by the replenishment pump for storage. When the end users need water, start the water supply pump to deliver the water to each user terminal. The traditional water supply system adopts two methods to adjust the water supply: 1. Multiple water pumps with the same parameters and models a...

Claims

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Application Information

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IPC IPC(8): E03B5/00E03B7/09E03B11/16G05D16/20
CPCY02A20/00
Inventor 贾书洪刘钢
Owner 上海联达节能科技股份有限公司
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