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Water storage type electric water heater with bathing water usage amount function and method for obtaining water usage amount

A technology for electric water heaters and water heaters, which is applied in the field of water storage electric water heaters and water consumption, water heaters and water consumption acquisition, and can solve problems such as user inconvenience and unknown water consumption

Active Publication Date: 2015-10-14
HAIER GRP CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the heating is completed, the segmented area is fully filled to remind the user that there is enough hot water. When the user uses it for a stage, the filling part of the segmented area gradually decreases, reminding the user of the consumption of hot water in the inner tank. The user only vaguely knows how much heat has been used. water, but the actual water consumption is not known, which brings inconvenience to users

Method used

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  • Water storage type electric water heater with bathing water usage amount function and method for obtaining water usage amount
  • Water storage type electric water heater with bathing water usage amount function and method for obtaining water usage amount
  • Water storage type electric water heater with bathing water usage amount function and method for obtaining water usage amount

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] The hot water from the outlet of the water heater is mixed with the cold water from the cold water pipe to obtain the mixed hot and cold water for bathing. According to energy conservation, the heat lost by the hot water is equal to the heat absorbed by the cold water.

[0028] i.e. Q 混热水散失 = Q 混冷水吸收 . (1)

[0029] According to Q=CMΔT, the heat lost by the hot water in the hot and cold mixed water used by users for bathing, that is, the heat lost by the hot water coming out of the outlet of the water heater is:

[0030] Q 混热水散失 =C×M out of water×(T 出水 -T 混合 ).

[0031] Among them, Q 混热水散失 The heat lost by the hot water in the hot and cold mixed water used for bathing by users, Q 混冷水吸收 It is the heat absorbed by the cold water in the mixed hot and cold water used for bathing by users, C is the specific heat capacity of water, M 出水 is the quality of hot water coming out of the outlet of the water heater, T 出水 is the outlet water temperature at the outlet of the ...

Embodiment 2

[0048] The present embodiment is a kind of water storage type electric water heater with the function of water consumption for bathing, which implements the method described above, such as image 3 As shown, a first flow sensor, a first temperature sensor and a timer are arranged at the water inlet end of the water heater, a display screen is arranged on the water heater, a second temperature sensor is arranged at the water outlet end of the water heater, the first flow sensor, the first temperature sensor The first temperature sensor, the timer and the second temperature sensor are all electrically connected to the single-chip microcomputer.

[0049] In this embodiment, a thermostatic valve is also included. A water mixing valve is provided at the place where the outlet pipe of the water heater and the cold water pipe are mixed. The thermostatic valve is arranged at the water outlet of the water mixing valve.

[0050] In other embodiments, the thermostatic valve may not be el...

Embodiment 3

[0059] This embodiment differs from the second embodiment in that it further includes a second flow sensor and a timer provided at the cold water inlet end of the mixing valve, and the second flow sensor and the timer are electrically connected to the single-chip microcomputer.

[0060] When taking a bath, the user may use cold water instead of hot water in the water heater. In this case, the collected information can be sent to the single-chip microcomputer of the water heater by the second flow sensor and timer arranged at the cold water inlet end of the water mixing valve. The calculated water consumption is then displayed on the display.

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Abstract

The invention provides a method for obtaining the bathing water usage amount of a water storage type electric water heater. The inlet water temperature, the inlet water quality and the outlet water temperature of the water heater are obtained, the mixing temperature of cold and hot mixing water for bathing of a user is obtained, and the bathing water usage amount is calculated through a formula and displayed, wherein Q mixed hot water dissipation=Q mixed cold water absorption, Q mixed hot water dissipation=C*M inlet water*(T outlet water-T mixing), and Q mixed cold water absorption=C*(M mixing-M inlet water)*(T mixing-T inlet water). The invention provides a water storage type electric water heater with the bathing water usage amount function. A first flow sensor, a first temperature sensor and a timer which are electrically connected with a single-chip microcomputer are arranged at the water inlet end of the water heater, a second temperature sensor electrically connected with the single-chip microcomputer is arranged at the water outlet end of the water heater, and the water heater is provided with a display screen and is electrically connected with the single-chip microcomputer. The water flow, temperature and water inlet time at the water inlet end of the water heater, the temperature of the outlet water of the water heater and the mixing temperature of the cold and hot mixing water for bathing of the user are collected, and the bathing water usage amount is calculated and displayed.

Description

technical field [0001] The invention relates to a water heater and a method for obtaining water consumption, in particular to a storage-type electric water heater with the function of bathing water consumption and a method for obtaining water consumption, belonging to the field of water heaters. Background technique [0002] With the rapid development of modern science and technology and the improvement of people's material living standards, users have put forward higher requirements for the functions of water heaters. Through market research, it is found that many users hope that the water heater at home can have the function of water consumption for bathing, which is similar to the function of displaying the mileage of a car. The water consumption can be obtained at a glance, and the power consumption can also be calculated through this function. Most of the water heaters on the market now do not have the function of water consumption display, and very few water heaters w...

Claims

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Application Information

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IPC IPC(8): F24H9/20
Inventor 孙强刘洋蔡想周王建飞
Owner HAIER GRP CORP
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