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A double-tank solar water heater and a control method for the double-tank water heater

A technology of solar water heaters and double water tanks, applied in solar thermal power generation, water heaters, solar thermal devices, etc., can solve the problems of waste of water resources and low water efficiency, reduce electricity costs, reduce safety hazards, and improve flexibility Effects on Sexuality and Water Efficiency

Active Publication Date: 2017-03-15
QINGDAO ECONOMIC & TECHN DEV ZONE HAIER WATER HEATER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to propose a double-tank solar water heater to solve the problems of waste of water resources, low water efficiency and potential safety hazards in the prior art solar water heaters

Method used

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  • A double-tank solar water heater and a control method for the double-tank water heater
  • A double-tank solar water heater and a control method for the double-tank water heater

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Embodiment 1

[0033] like figure 1 As shown, it is a dual-tank solar water heater proposed in this embodiment, including an outdoor water tank 14 and an indoor water tank 15. The indoor water tank 15 is a pressurized water tank, and the outdoor water tank 14 is a non-pressurized water tank. The air port 11, the water outlet and the water inlet of the non-pressurized water tank are the same water port, which is the water inlet and outlet 13 of the outdoor water tank.

[0034] A first solenoid valve 1 , a one-way check valve 2 and a third solenoid valve 4 are arranged between the cold water inlet 6 and the water inlet and outlet 13 of the outdoor water tank in sequence. There is a first branch between the electromagnetic valve 4 for connecting the water inlet and outlet 13 of the outdoor water tank with the water inlet 8 of the indoor water tank; A second branch connecting the water inlet and outlet 13 of the outdoor water tank with the hot water outlet 5; the second branch is provided with ...

Embodiment 2

[0047] like figure 2 As shown, it is a dual-tank solar water heater proposed in this embodiment. The difference between this embodiment and Embodiment 1 is that the outdoor water tank 14' in this embodiment is a pressurized water tank. Because the use method of the pressurized water tank is different from that of the non-pressurized water tank, the connection structure of the double-tank solar water heater is different from that in the first embodiment. A fourth solenoid valve 1' and a one-way check valve 2' are arranged in sequence; a third branch connecting the two is provided between the outdoor water tank inlet 11' and the indoor water tank inlet 8', and the third branch is provided with There is a sixth solenoid valve 4'. A fourth branch for connecting the two is provided between the water outlet 13' of the outdoor water tank and the hot water outlet 5', and a fifth solenoid valve 3' is provided on the fourth branch.

[0048] The water flow sequentially passes through ...

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Abstract

The invention relates to the field of water heaters, and discloses a double-water-tank solar water heater and a control method of the double-water-tank water heater. The double-water-tank solar water heater comprises an outdoor water tank, a cooling water inlet and a hot water outlet. The outdoor water tank is connected with a solar heat collector. A first flow path and a second flow path are connected between the cooling water inlet and the hot water outlet in parallel, the outdoor water tank is arranged on the first flow path, and an indoor water tank is arranged on the second flow path and is a pressure-bearing water tank. A water outlet of the outdoor water tank is connected with a water inlet of the indoor water tank. According to the double-water-tank solar water heater and the control method, the two water tanks are arranged, a heater body is arranged in the indoor water tank, and potential safety hazards are greatly reduced accordingly. Meanwhile, as the volume of the indoor water tank is small, required heating time is short, and family electric cost can be reduced. A pipe between the indoor water tank and the hot water outlet is short when the indoor water tank is installed, and the amount of cooling water in the pipe is decreased so that a user can use hot water instantly after starting the water heater, and the water-use comfort degree of the user is improved.

Description

technical field [0001] The invention relates to the technical field of water heaters, and more particularly to a dual-tank solar water heater and a control method for the dual-tank water heater. Background technique [0002] Due to its advantages of energy saving and environmental protection, solar water heaters have gradually become an important branch of water heater products, and are loved by more and more people. In order to protect the environment and save non-renewable energy, many provinces and cities have begun to mandate the installation of solar water heaters and their ancillary products, thus greatly accelerating the pace of solar water heater product development. [0003] At present, the water tanks of solar water heaters on the market are divided into pressurized water tanks and non-pressurized water tanks. Solar products need to be installed outdoors. The non-pressurized water tank is equipped with an exhaust hole. The water tank communicates with the outside w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/04F24J2/40F24J2/46F24H1/20F24H9/20
CPCY02B10/20Y02E10/44
Inventor 张正涛王广岭刘东平王玉军
Owner QINGDAO ECONOMIC & TECHN DEV ZONE HAIER WATER HEATER
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