A water-saving device and method for controlling water temperature based on solar water heating system
A technology for solar water heating and solar water heaters, applied in solar thermal devices, solar thermal power generation, heating devices, etc., can solve the problems of poor flexibility and environmental friendliness, waste of ineffective hot water, low safety indicators, etc., and achieve high environmental friendliness. performance, energy saving, and low power requirements
Inactive Publication Date: 2016-04-06
JIANGSU UNIV
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Problems solved by technology
[0003] In order to solve the problem of wasting invalid hot water in water heaters, some manufacturers have introduced products such as solar hot water pipe emptying valves and hot water pipe circulation devices to eliminate or reduce the "ineffective hot water" of solar water heaters and achieve the purpose of saving water; but these products There are disadvantages such as high cost, easy damage, low safety indicators, poor flexibility and environmental friendliness, and difficult systemization, so it has not been widely promoted
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[0034] (1) Before using it for the first time, adjust the working temperature of the temperature control valve 3, such as 45° (the control temperature is ±2°).
[0035] (2) When the solar water heater 9 is not working, set as follows: When the water temperature in the heating and heat preservation device 5 is obtained by the temperature sensor 15 and measured higher than 47°, the temperature control valve 3 receives the signal and transmits the signal to stop the battery 10 The energy supply to the heating rib heating cable 14 is in the standby state of the heating and heat preservation device 5. When the temperature is lower than 43°, the temperature sensor 15 receives the temperature signal and transmits it to the battery 10, and the battery 10 starts to send the temperature signal to the battery 10. The heating rib 14 of the heating cable provides electric energy, and the heating and insulating device 5 starts to work, so that the water in the heating and insulating device 5...
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The invention relates to a solar water heater, in particular to a water-temperature-controllable water saving device based on a solar water heating system, and the water-temperature-controllable water saving device is used for heating and utilizing before-use invalid hot water. The water saving device is arranged in a hot water pipeline of a solar water heater; after being mixed by virtue of a cold-hot water mixture spherical valve, effluent water in the hot water pipeline and effluent water of a cold water pipeline are sprayed out of a nozzle; the water saving device comprises a temperature control valve, a heating insulation device, a storage battery and a solar cell panel, wherein the heating insulation device is connected with the storage battery; the solar cell panel is connected with the storage battery; the temperature control valve is capable of controlling the storage battery to heat or stop heating the heating insulation device according to a temperature signal provided by the heating insulation device. The device can be applied to all solar water heating system devices with a 'before-use available hot water wasting' phenomenon, is mainly applied in household, office buildings, office premises, hotels and the like, and furthermore can be applied to an electric water heater device after being slightly improved.
Description
technical field [0001] The invention relates to a solar water heater, in particular to a water-saving device and method based on a solar water heating system with controllable water temperature, which is used for heating and utilization of "ineffective hot water before use". Background technique [0002] The solar water heater saves energy, which makes it quickly popularized and used, but it saves energy and also wastes a lot of clean water; the wasted water comes from the cold water stored in the hot water pipe connected between the solar water heater and the water outlet. It is called "ineffective hot water", and this part of invalid hot water is mostly wasted; according to calculations, if the length of the water heater tank is 5 meters from the water outlet, 3 to 4 liters of invalid heat will be drained before each use in summer. Water; 7 to 8 liters of invalid hot water will be wasted before each use in winter. According to calculations by energy assessment agencies, m...
Claims
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IPC IPC(8): F24J2/46F24J2/40
CPCY02E10/40
Inventor 邵壮何志霞陶希成陈驭航钟汶君
Owner JIANGSU UNIV
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