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Solar water heater and heating control method

A technology of solar water heaters and solar collectors, applied in solar collectors, solar heating systems, solar thermal energy, etc., can solve problems such as heat removal and system overall efficiency reduction

Inactive Publication Date: 2010-02-24
HAIER GRP CORP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the technical solution described in the above-mentioned patent application description, since the heat exchangers in each hot water tank are directly connected to the solar collector, such a structure has the following problems: for users with higher temperatures in the water tanks, the temperature difference cycle of the system may will take the heat away from the tank
However, the disadvantage of this structure is that if the temperature of the solar collector is set too high, the solar collector will always be in the high temperature cycle, which will reduce the overall efficiency of the system

Method used

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Embodiment Construction

[0028] Such as figure 1 Show the schematic diagram of solar water heater of the present invention, see below figure 1 The present invention is described in detail:

[0029] The solar water heater of the present invention comprises a solar heat collector 1 and a water tank 2 assigned to each user. The solar heat collector 1 is installed in places where sunlight can be irradiated, such as roofs and outdoor walls, to absorb sunlight heat. The water tank 2 is installed in each user's home, such as a bathroom, to provide hot water to the user.

[0030] The water inlet 22 of each water tank 2 is connected with the running water pipe, and is used for entering water into the water tank 2; In addition, an insulation layer is also provided on the periphery of the water tank 2 .

[0031] Since the structure and function of each water tank 2 are the same, only the uppermost water tank 2 in the figure is used as an example for illustration, and the description for other water tanks 2 i...

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Abstract

The invention provides a solar water heater. The solar water heater comprises a solar collector (1) and at least two water tanks (2); a heat exchanger (24) is arranged in each water tank (2); an inletand an outlet of each heat exchanger (24) are communicated with an outlet and an inlet of the solar collector (1) to form a loop respectively; a heat-conducting medium is filled in the loop; the outlet or the inlet of the solar collector (1) is provided with a pump (3) for causing the heat-conducting medium to flow; and the inlet or the outlet of the each heat exchanger (24) is provided with a valve (25). The invention also provides a heating control method, which can distribute heat collected by the solar collector (1) according to different demands of different users on water temperature and heat the water in the water tanks (2) of the different users.

Description

technical field [0001] The invention relates to the technical field of solar water heaters, in particular to a solar water heater for centralized heating and a heating control method. Background technique [0002] At present, for solar water heaters with central heating, a large public water tank is usually used to store the heated water in a centralized manner. The small water tanks of each user are connected to the public water tank, and the public water tank supplies hot water to each small water tank. Water is supplied by the small water tank. Due to the use of public water tanks to take up a relatively large space, the Chinese patent No. 200420062061.2 discloses a solar energy centralized heating household heating facility, which eliminates the use of public water tanks, and sets hot water tanks in each household. A heat exchanger is installed in the tank, and the heat exchanger is connected to the solar collector through a pipeline. There is a heat transfer medium in ...

Claims

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Application Information

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IPC IPC(8): F24J2/00F24J2/04F24J2/40F24J2/46F24S10/30
CPCY02E10/40Y02E10/44
Inventor 孙京岩庄长宇渠荣华刘桂永
Owner HAIER GRP CORP
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