Non-pressure-bearing solar water heater
A solar water heater, non-pressurized technology, applied in solar thermal power generation, solar thermal devices, heating devices, etc., can solve problems affecting users' normal use, increasing manufacturing costs, pressure fluctuations, etc., to improve water quality and avoid sudden cold Sudden heat, the effect of reducing manufacturing costs
Inactive Publication Date: 2012-05-02
江苏力源太阳能有限公司
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Problems solved by technology
[0004] The disadvantage of this structure is: after the water valve is opened, if the user adjusts the cooling and heating of the shower head in the bathroom, the pressure in the water pipe of the water heater will fluctuate, causing the water pump to turn off and on for a short time under normal water use. It makes the water hot and cold, which affects the normal use of users; in addition, because the water temperature is different, the pressure in the water pipe also changes to a certain extent, so that the pressure switch has higher requirements in design, and the power of the water pump must be increased accordingly to ensure that the pressure in the water pipe is stable. pressure, which increases manufacturing costs
Method used
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[0010] Such as figure 1 As shown, it includes a water pipe 1, a water pump 2, a pressure sensor 3, and a flow sensor 4.
[0011] A pressure sensor 3 and a flow sensor 4 are arranged on the water pipe 1. The output signals of the pressure sensor 3 and the flow sensor 4 are connected to the solar water heater control box 5, and the water pump 2 is also connected to the solar water heater control box 5.
[0012] Specific work: The water valve is opened and the water flows out under the original internal pressure of the water pipe 1, causing the pressure of the water pipe 1 to drop. After the pressure sensor 3 detects that the pressure is lower than the set value, the solar water heater control box 5 controls the water pump 2 Turn on for normal water supply; when the water pump 2 is turned on, the shutdown of the water pump 2 is determined by the solar water heater control box 5 according to the signals of the pressure sensor 3 and the flow sensor 4 at the same time, and the signal of ...
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The invention relates to a non-pressure-bearing solar water heater, which comprises a water pump and a water using pipeline. Innovation points are that: the water using pipeline is provided with a pressure sensor and a flow sensor; output signals of the pressure sensor and the flow sensor are connected to a control box of the solar water heater; and the water pump is connected to the control box of the solar water heater. After the water pump is started, the shutdown of the water pump is determined simultaneously by using the control box of the solar water heater according to the signals of the pressure sensor and the flow sensor, and the water pump cannot be shut down until the signal of the pressure sensor surpasses a set value and the water pipeline is free from flow. In the water using process of a user, the water pump is prevented from being started and shut down frequently within a short period of time once a water using valve is not shut down completely, so that the phenomena of sudden cold water and sudden hot water are avoided, and the water using quality is enhanced. A pressure sensor and a water pump with relatively high requirements are not required to be designed, so that the manufacturing cost is reduced.
Description
Technical field [0001] The invention relates to a non-pressurized solar water heater, in particular to a non-pressurized solar water heater that has no fluctuations in cold and heat when water is used and has low manufacturing cost. Background technique [0002] With the advent of split solar water heaters, more and more people choose it as domestic water heaters. It changes the integrated type of the traditional solar water heater to the split type, that is, the water storage tank and the heat collector are separated from each other, so that the water storage tank can be placed indoors, and the heat collector can be flexibly installed under the balcony wall or the external wall window, which solves the problem of urban The disadvantage of inconvenient installation of ordinary solar water heaters on high floors. [0003] The current split solar water heaters are divided into pressure-bearing and non-pressure-bearing types according to the pressure of the water tank. When users who...
Claims
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Login to View More IPC IPC(8): F24J2/40
CPCY02E10/40
Inventor 杨荣
Owner 江苏力源太阳能有限公司