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Patent

Multi-energy combination hot water system and multi-energy control switching method

TLDR
In this paper, a multi-energy combination hot water system and a multihop control switching method is presented. But the authors focus on the early stages of the system and do not consider the later period maintenance and replacement of the heating units.
Abstract
The invention provides a multi-energy combination hot water system and a multi-energy control switching method. According to the multi-energy combination hot water system, when a water heater is used by a large number of users, solar energy, a heat pump, gas and electric heating are started sequentially by a system controller, so that comfortable water experience is provided for the users quickly to achieve an optimum energy-saving effect; each heating unit is an independent heating unit; the modular design of the heating units is adopted, interfaces are unified, and later-period maintenance and replacement are convenient, so that the cost is reduced; and a gas heater and an electric heater are arranged on the upper side, so that hot water can be provided quickly when external environment is poor.

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Citations
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Patent

Energy-saving control method of hot water system integrating solar energy, heat pump and fuel gas

TL;DR: In this article, an energy-saving control method of a hot water system integrating solar energy, a heat pump and fuel gas is described by comprising the control steps that the electricity price, the fuel gas price, and the water using peak time t1 and an upper limit water temperature T3 of the local are input by a user through an input module; a first circulating water pump is started at 6 am to 8 am, and a solar water heater starts to heat a water tank; and through heat, obtained by heating of the solar heater, predicted by a microprocessor according
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Multi-energy combined hot water system and control method

TL;DR: In this paper, a multi-energy combined hot water system and a control method is presented, which adopts three heat sources including a heat collector, an air source heat pump and an electric heater for heating.
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TL;DR: In this paper, an intelligent energy-saving control method for an air source heat pump water heater is presented. But the method is not suitable for outdoor environments, and it requires the user to adjust the water temperature of the water tank according to the heat consumption of the user.
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Multi-energy hybrid heat supply system control method, device and equipment

TL;DR: In this paper, a multi-energy hybrid heat supply system control method, device and equipment is proposed, which comprises the following steps that the real-time temperature of water in a water storage tank in a preset water consumption period is acquired.
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Energy-saving heating equipment and control method and system thereof

TL;DR: In this paper, the authors proposed a method for collecting environmental information and matching the most suitable heater according to the environmental information for heating, which is applicable to the technical field of energy saving heating, and provides energy-saving heating equipment and a control method and system thereof.
References
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Patent

Storage reservoirs for liquids heatable by solar energy

Mueller Bernd
TL;DR: In this paper, a storage reservoir for a domestic hot water supply is divided into an upper stand-by tank, including an auxiliary heating device, from which hot water is drawn and a lower tank which includes a heat exchanger connectable to a solar energy receiving circuit.
Patent

Solar water heater and heating control method

TL;DR: In this paper, a solar water heater consisting of a solar collector and at least two water tanks is presented, where a heat exchanger is arranged in each water tank, and an inlet and an outlet of each heat exchange medium are communicated with an outlet and inlet of the solar collector to form a loop respectively.
Patent

Water path switching control module and switching control method for water heaters

TL;DR: In this article, a water path switching control module consisting of a switching valve controlled by a control circuit, wherein the switching valve has a first interface, a second interface, three interfaces and a fourth interface, and at least has three switching positions, is presented.
Patent

Double-coil pipe pressure-bearing solar water tank

Jiawen Shi, +1 more
TL;DR: In this paper, a double-coil pipe pressure-bearing solar water tank is proposed to increase the heat storage volume, reduce the size of the water tank as well as occupied spaces, and achieve good pressure bearing effect.
Patent

Solar energy, heat pump and wall-mounted gas boiler combined heating device

TL;DR: In this paper, a solar energy, heat pump and wall-mounted gas boiler combined heating device is presented, which comprises a solar heating unit, a water storage tank, a heat pump heating unit and a wall mounted gas boiler, and also comprises a main controller and an operation panel.