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A gas water heater with a proportional three-way valve and its control method

A technology of gas water heaters and proportional three-way valves, which is applied to fluid heaters, lighting and heating equipment, etc. It can solve the problems of affecting the user's bathing comfort, high cost, water stop temperature rise and temperature rush, etc., so as to ensure the comfort of water High performance, simple structure, and the effect of avoiding temperature overshoot or low

Inactive Publication Date: 2021-08-24
GUANGDONG MACRO GAS APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problems that affect the user's bathing comfort are the temperature rise of water stoppage and overshoot or low temperature. Various improvement measures have been made to address these problems on the market, but most of them can only solve one problem or the cost is high.

Method used

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  • A gas water heater with a proportional three-way valve and its control method
  • A gas water heater with a proportional three-way valve and its control method
  • A gas water heater with a proportional three-way valve and its control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Such as figure 1 As shown, a gas water heater with a proportional three-way valve includes: a gas water heater shell 1, a main heat exchanger 2 arranged in the gas water heater shell 1, and an inlet connected to the main heat exchanger 2 A water pipe, an outlet pipe, and a bypass pipe 3 arranged in the housing and communicating with the water inlet pipe and the outlet pipe; it is characterized in that the bypass pipe 3 is connected to the inlet pipe through a proportional three-way valve 4 The water pipe is connected; the proportional three-way valve 4 can realize single-way, two-way and water flow regulation.

[0042] Among them, such as figure 2 As shown, the proportional three-way valve 4 includes: a valve body 4-1, a first port 4-2, a second port 4-3, and a third port 4 arranged on the valve body 4-1. -4, the moving shaft 4-5, the first water pan 4-6, the second water pan 4-7 and the stepper motor 4-8, are provided with the first communication port in the valve bod...

Embodiment 2

[0062] Such as Figure 4 As shown, the gas water heater with a proportional three-way valve provided in this embodiment is basically the same in structure as that in Embodiment 1, the difference is that the proportional three-way valve is installed on the outlet pipe, and the first through The port 4-2 is connected to the water outlet end of the outlet pipe, the second port 4-3 is connected to the water inlet end of the outlet pipe, and the third port 4-4 is connected to the bypass pipe 3 connect. This embodiment has all the technical effects of Embodiment 1, which will not be repeated here.

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Abstract

The invention discloses a gas water heater with a proportional three-way valve, comprising: a gas water heater shell, a main heat exchanger arranged in the gas water heater shell, a water inlet pipe and a water outlet pipe connected to the main heat exchanger , and a bypass pipe that is arranged in the housing and communicates the water inlet pipe with the water outlet pipe; it is characterized in that the bypass pipe communicates with the water inlet pipe or the water outlet pipe through a proportional three-way valve ; The proportional three-way valve can realize single-way, two-way and water flow regulation. The invention can automatically adjust the water flow rate, prevent the water temperature from overshooting or being too low, effectively control the temperature rise when the water is stopped, and have higher adaptability and comfort. The invention also provides a gas water heater control method.

Description

technical field [0001] The invention relates to the technical field of gas water heaters, in particular to a gas water heater with a proportional three-way valve and a control method. Background technique [0002] As a kind of bathing appliance, gas water heater brings great convenience to people in providing hot water, and people have higher and higher requirements for hot water performance and comfort. The main problems that affect the user's bathing comfort are the temperature rise of water stoppage and overshoot or low temperature. Various improvement measures have been made to address these problems on the market, but most of them can only solve one problem or the cost is high. . Contents of the invention [0003] The purpose of the present invention is to solve the deficiencies of the prior art and provide a proportional tee that can automatically adjust the water flow, prevent the water temperature from overshooting or being too low, effectively control the tempera...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H9/20
CPCF24H9/2035
Inventor 艾穗江刘兵阳悠悠李井龙
Owner GUANGDONG MACRO GAS APPLIANCE
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