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A water heater and its thermostatic valve control method and thermostatic valve device

A control method, technology of a thermostatic valve, applied in the direction of a valve device, a valve operation/release device, a fluid heater, etc.

Active Publication Date: 2021-09-14
GUANGDONG MACRO GAS APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a water heater and its thermostatic valve control method and thermostatic valve device to solve one or more technical problems in the prior art, and at least provide a beneficial option or create conditions

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  • A water heater and its thermostatic valve control method and thermostatic valve device

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no. 1 example

[0032] refer to figure 1 , the present application discloses a thermostatic valve control method for a water heater, the thermostatic valve is driven by a stepping motor, the first embodiment of the thermostatic valve control method includes the following steps:

[0033] Step 100, setting target temperature, temperature margin and location record variables;

[0034] Step 200, controlling the initial position of the stepper motor according to the position record variable;

[0035] Step 300, detecting the water temperature in real time;

[0036] Step 400, performing a difference calculation on the outlet water temperature and the target temperature;

[0037] Step 500, comparing the temperature margin with the temperature margin obtained after performing difference calculation between the outlet water temperature and the target temperature;

[0038] Step 600, if the result is greater than the temperature margin, control the stepping motor to adjust the outlet water temperature...

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Abstract

The invention discloses a water heater and a thermostatic valve control method and thermostatic valve device. The control method controls the operation of a stepper motor by comparing the outlet water temperature with a target temperature. When the outlet water temperature reaches the target temperature, the current stepper motor's current The real-time position is recorded to the position record variable and overwritten, and when the water heater is started next time, the initial position of the stepper motor is controlled according to the position record variable. The technical solution can realize the control function of the thermostatic valve only by detecting the water outlet temperature of the water heater, and compared with the existing thermostatic valve control solution, the cost is low and the logic control is simple.

Description

technical field [0001] The invention relates to the technical field of water heaters, and more specifically relates to a water heater, a thermostatic valve control method thereof, and a thermostatic valve device. Background technique [0002] Existing water heaters are equipped with thermostatic valves for controlling the mixing ratio of cold and hot water. The traditional water heater is equipped with a mechanical thermostatic valve. The disadvantage of using the mechanical thermostatic valve to realize the constant temperature of the water heater is that it cannot respond to changes in the external environment in a timely manner. [0003] Another type of water heater uses an intelligent thermostatic valve, which can effectively solve the defects of mechanical thermostatic valves. However, this type of thermostatic valve needs to be equipped with a variety of sensors to monitor parameters such as water inlet temperature, inner tank temperature, outlet water temperature, and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/20F16K31/64
CPCF16K31/002F24H9/2007
Inventor 艾穗江蒲俊程邓海燕徐扬
Owner GUANGDONG MACRO GAS APPLIANCE
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