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Water-shortage protection method and water purifier

A water shortage protection and water purifier technology, applied in water/sewage treatment, chemical instruments and methods, water/sludge/sewage treatment, etc., can solve the problem of large fluctuations, small flow range of low-voltage switch control, and blockage of filter devices and other problems, to achieve the effect of low cost, simple structure, and prevention of idling damage

Pending Publication Date: 2018-07-10
GUANGDONG MACRO GAS APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the control flow range of the low-pressure switch is small, and it is greatly affected by water pressure fluctuations, which may easily cause frequent startup of the whole machine
At the same time, the low-pressure switch has the risk of clogging the filter device and corroding the diaphragm, and the cost is high

Method used

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  • Water-shortage protection method and water purifier
  • Water-shortage protection method and water purifier
  • Water-shortage protection method and water purifier

Examples

Experimental program
Comparison scheme
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no. 1 example

[0045] figure 1 A structural block diagram of the water purifier 100 provided in this embodiment. Please refer to figure 1 , the present embodiment provides a water purifier 100 including a body 110 and a booster pump 120 .

[0046] The body 110 is provided with a controller 130 and a filter device 140 , and the booster pump 120 is electrically connected to the controller 130 and is set opposite to the filter device 140 .

[0047] The booster pump 120 is provided with an ammeter 121 for monitoring the real-time working current of the booster pump 120 . The controller 130 is used to receive the real-time working current, determine whether the real-time working current is within the preset current range, and control the water purifier 100 to enter the protection mode when the working current data is not within the preset current range.

[0048] Wherein, the preset current interval represents the range of the current data of the booster pump 120 working under the condition of ...

no. 2 example

[0065] Figure 4 It is a flow chart of the water shortage protection method provided by the embodiment of the present invention. Please refer to Figure 4 , the water shortage protection method provided in this embodiment is mainly applied to the water purifier 100 provided in the first embodiment.

[0066] The water scarcity protection method includes:

[0067] Step S110: Determine whether the real-time operating current of the booster pump 120 is within a preset current range.

[0068] Step S120: When the working current data is not within the preset current range, control the water purifier 100 to enter the protection mode.

[0069] Wherein, the preset current interval represents the range of the current data of the booster pump 120 working under the condition of rated load.

[0070] Further, the water shortage protection method also includes:

[0071] Step S130: Determine whether the real-time operating current is lower than the minimum value of the preset current int...

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Abstract

The invention provides a water-shortage protection method and a water purifier, which belong to the technical field of the water purifier. The water-shortage protection method is used in the water purifier, the water purifier comprises a booster pump, the water-shortage protection method comprises the following steps: whether real-time working current of the booster pump in a preset current rangeor not is determined, and the preset current range represents a current data scope of the booster pump under rated loading condition; and when the work current data is not in the preset current range,the water purifier is controlled in a protection mode. The water-shortage protection method can effectively protect the booster pump, and prevents damage due to idle running of the booster pump witha low water volume. The water purifier has simple structure, can effectively protect the booster pump, prevents the damage due to idle running of the booster pump with the low water volume, and has low cost.

Description

technical field [0001] The invention relates to the technical field of water purifiers, in particular to a water shortage protection method and a water purifier. Background technique [0002] The water shortage protection function of the existing water purifier is mainly realized by a low pressure switch. [0003] The low-voltage switch is composed of a shell, water inlet and outlet, micro switch, 187 connection terminals, and a silicone diaphragm. [0004] When the water flow is sufficient and the waterway pressure reaches a certain value, the low-voltage switch contact is turned on, and the main control IC detects the closing signal and controls the booster pump to start through the driving part, and the whole machine works normally. [0005] When the water flow is insufficient and the water pressure drops to a certain value, the low-pressure switch contact is disconnected, the main control IC controls the booster pump to stop, and the whole machine stops working to preve...

Claims

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Application Information

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IPC IPC(8): C02F1/00F04B49/06
CPCF04B49/06C02F1/001
Inventor 艾穗江刘建明马从培卢明辉袁小纳
Owner GUANGDONG MACRO GAS APPLIANCE