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Gas water heater and control method thereof

A gas-fired water heater and control method technology, applied in chemical instruments and methods, water heaters, fluid heaters, etc., can solve the problems of insignificant protection effect and serious corrosion of heat exchanger 02, reduce attenuation and improve service life Effect

Active Publication Date: 2020-08-21
GUANGDONG HISENSE HOME APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the water heaters in the prior art are only for providing healthier domestic water, and the protection effect on the heat exchanger 02 is not obvious
Especially when the water heater is on standby, the water stored in the heat exchanger 02 for a long time will seriously corrode the heat exchanger 02

Method used

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  • Gas water heater and control method thereof
  • Gas water heater and control method thereof
  • Gas water heater and control method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 2 As shown, the bath water inlet branch 21 is provided with a water inlet valve 7 that opens or closes the bath water inlet branch 21, and the water storage filter 6 includes a high-pressure pump 61 and a reverse osmosis filter 62 connected in sequence; A drain valve 8 for opening or closing the drain branch 32 is provided in the channel 32 .

[0029] Since the water storage filter 6 includes a high-pressure pump 61 and a reverse osmosis filter 62 connected in sequence, the reverse osmosis filter 62 can only start to work when the high-pressure pump 61 is started. Or close the water inlet valve 7 of the bath water inlet branch 21. When the gas water heater is working, refer to image 3 , the bathing water outlet branch 31 is opened by the user, at this time, the water inlet valve 7 can be controlled to open the bath water inlet branch 21, the drain valve 8 will close the drainage branch 32, and tap water flows through the bathing water inlet branch 21,...

Embodiment 2

[0038] Such as Figure 5 As shown, the front ends of the bath water inlet branch 21 and the water purification branch 22 are connected with the water inlet switch valve 7', and the water inlet switch valve 7' can make the water flow from the bath water inlet branch 21 and the water purification Any one of the branches 22 passes through; the front ends of the bath water outlet branch 31 and the drainage branch 32 are connected with the water outlet switching valve 8', and the water outlet switching valve 8' can make the water flow from the bath water outlet branch 31 and the drainage branch Any one of 32 passes.

[0039] The path of the water flow can be directly controlled by the water inlet switch valve 7' and the water outlet switch valve 8'. When the gas water heater is working, the water inlet switch valve 7' switches the water inlet to the bath water inlet branch 21, and the water outlet switch valve 8' The outlet water is switched to the bath water outlet branch 31, and...

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Abstract

The invention discloses a gas water heater and a control method, and relates to the technical field of fluid heat exchangers. According to different needs, different purification functions can be switched, water is healthy, and the phenomenon that a heat exchanger is corroded, and water is leaked can be effectively prevented. The gas water heater comprises a shell, a heat exchanger, a water inletpipe and a water outlet pipe are arranged in the shell, the water inlet pipe comprises a bathing water inlet branch and a storage water purification branch which are connected in parallel, a bathing water purifier used for purifying bathing water is arranged in the bathing water inlet branch in a communication manner, a storage water filter used for filtering water passing through the storage water purification branch into weak acid water is arranged in the storage water purification branch, and the water outlet pipe comprises a bathing water outlet branch and a draining branch which are connected in parallel. When the gas water heater works, water enters in the bathing water inlet branch of the water inlet pipe, water is output through the bathing water outlet branch of the water outlet pipe, and after the gas water heater finishes work, water enters the storage water purification branch of the water inlet pipe, and the draining branch of the water outlet pipe drains water so as to replace water in the heat exchanger. The gas water heater is used for preparing hot water.

Description

technical field [0001] The invention relates to the technical field of fluid heat exchangers, in particular to a gas water heater and a control method. Background technique [0002] Gas water heater, also known as gas water heater, refers to a gas appliance that uses gas as fuel to transfer heat to cold water flowing through a heat exchanger through combustion heating to achieve the purpose of preparing hot water. According to the survey feedback, after a period of time (generally about one year) after the gas water heater has been used, water leakage failures often occur. After investigation, it is because the quality of tap water in different areas is different, especially in some areas, the quality of tap water is poor and alkaline. Pitting corrosion, resulting in gas water heater leakage failure. Therefore, to solve the above problems, it is necessary to consider filtering and purifying the water entering the gas water heater to prevent the chemical reaction between co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24H1/10F24H9/18F24H9/20C02F9/02
CPCC02F1/001C02F1/441C02F2301/066F24H1/107F24H9/1836F24H9/2035
Inventor 苏铭森张慧宝
Owner GUANGDONG HISENSE HOME APPLIANCES CO LTD
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