Hot water circulation device, hot water circulation control method and water heater

A technology of hot water circulation and control method, applied in fluid heaters, lighting and heating equipment, mechanical equipment, etc., can solve the problem of poor product comfort, the temperature of the water inlet end of the water heater does not reach the set temperature, and the preheating cycle cannot be performed. problem, to achieve the effect of solving the uneven heating temperature

Inactive Publication Date: 2016-11-09
GUANGDONG MACRO GAS APPLIANCE
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the existing home decoration structure, the position of the gas water heater is usually not reserved for a special circulation pipeline, resulting in the inability to perform a preheating cycle.
Although some gas water heaters can use the cold water pipe at the water point to act as a circulation loop, after the preheating cycle, the water in the cold water pipe also becomes hot water, resulting in the situation that the water point cannot be turned on and cold water is released immediately
[0004] In addition, most of the existing hot water circulation devices are installed at the water inlet end of the water heater. The most serious problem is that the temperature of the water inlet end (return water end) of the water heater has not reached the set temperature, while the temperature of the water outlet end of the water heater is already very high. As a result, the product is less comfortable and affects the bathing experience

Method used

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  • Hot water circulation device, hot water circulation control method and water heater
  • Hot water circulation device, hot water circulation control method and water heater
  • Hot water circulation device, hot water circulation control method and water heater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, a hot water circulation device includes: a circulation pipeline 1, a circulation water pump 2 installed on the circulation pipeline 1, a temperature sensor 3, a controller 4 connected to the circulation water pump 2 and the temperature sensor 3, and a controller 4 Connected operator display 5.

[0029] During actual work, the above-mentioned hot water circulation device is installed on the circulation circuit of the water heater. Such as figure 2 As shown, when the water heater is turned on, the circulating water pump 2 automatically works, the controller 4 starts timing and collects the hot water temperature in real time through the temperature sensor 3, and when the temperature sensor 3 detects that the temperature T1 ≥ the set temperature, the circulating water pump 2 stops working , the controller 4 records the total working time t of the circulating water pump 3. At this time, the operation display 5 shows that the temperature control ...

Embodiment 2

[0033] Such as image 3 As shown, a water heater includes: a water heater body 7, a cold water inlet pipe 8 connected to the water heater body 7, a water outlet heater 9, a number of water points 10 arranged on the hot water outlet pipe 9, connected between the cold water inlet pipe 8 and the water outlet pipe 9. The cold water branch pipe 11 between the water points 10, the return pipe 12 is connected between the hot water outlet pipe 9 and the cold water branch pipe 11 at the farthest water point, and a check valve 13 and a hot water circulation device are arranged on the return pipe 12 14.

[0034] Wherein, the farthest water point refers to the farthest path for hot water flowing out of the water heater body 7 to reach the water point. The one-way conduction direction of the one-way valve 13 is from the hot water outlet pipe 9 to the cold water branch pipe 11, so that the cold water branch pipe 11 serves as a circulation loop, and there is no need to additionally set a re...

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PUM

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Abstract

The invention discloses a hot water circulation device. The hot water circulation device is characterized by comprising a circulating pipeline, a circulating water pump installed on the circulating pipeline, a temperature sensor, a controller connected with the circulating water pump and the temperature sensor, and an operation display device connected with the controller. The hot water circulation device is convenient for automatic learning of speedy heating time and enables a user to set the time by himself/herself under a speedy heating function by the operation display device, thus immediately obtaining hot water while opening at a bath water using time point, and reducing unnecessary waste of water, gas and electricity. The invention also provides a hot water circulation control method and a water heater.

Description

technical field [0001] The invention relates to the technical field of gas central water heaters, in particular to a hot water circulation device, a hot water circulation control method and a water heater. Background technique [0002] When the gas water heater stops using hot water, its burner usually does not work, so the water in the pipeline will cool down quickly. In order for the gas water heater to release hot water at any time, a circulation loop is usually installed between the hot water outlet end and the cold water inlet end of the gas water heater, and a hot water circulation device is connected in series on the circulation loop. [0003] However, in the existing home decoration structure, the position of the gas water heater is usually not reserved for a special circulation pipeline, resulting in that the preheating cycle cannot be performed. Although some gas water heaters can use the cold water pipe at the water point as a circulation loop, after the preheati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24H9/20F24H9/12
CPCF24H9/2035F24H9/13
Inventor 余少言仇明贵刘兵陈国孙智
Owner GUANGDONG MACRO GAS APPLIANCE
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