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Solar energy water heater water-supply control device

A technology for solar water heaters and control devices, which is applied to solar thermal devices, solar thermal power generation, heating devices, etc., and can solve problems such as long distances, heat energy loss, and waste of water resources

Inactive Publication Date: 2008-06-04
邓朝阳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the heat collection characteristics of solar water heaters, at present, users who live on the top floor of buildings are willing to accept the use. Large, and the low-temperature water in the pipeline below the original solar water heater tank must be drained when in use
Moreover, the lower the floor, the more cold water in the pipeline will be discharged, which will undoubtedly cause waste of water resources
And even for the existing top-level users, in fact, there are cold seasons to solve the problem of antifreeze and heat preservation of the water pipes below the solar water heater.

Method used

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  • Solar energy water heater water-supply control device
  • Solar energy water heater water-supply control device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] This solar water heater water supply control device is a creative improvement to the existing solar water heating system, and it is composed of a solar water heater heat absorbing water storage component 1, a water delivery pipe 3, a cold water control solenoid valve 4 and a hot water water valve 5 , is characterized in that: a water discharge solenoid valve 2 is provided at the junction of the water delivery pipe 3 and the heat-absorbing water storage assembly 1 of the solar water heater; Water use valve 5 and water delivery pipe 3, and the other interface of this tee joint 6 is provided with a one-way valve 7 and air pump 8. Because the flow rate of the air pump is relatively large, the whole device will generate certain noise when inflating.

[0015] The pipeline above the tee joint 6 of the water delivery pipe 3 is provided with a cold water control solenoid valve 4 and a water discharge solenoid valve 2 connected to a water supply source; the water discharge soleno...

Embodiment 2

[0017] On the basis of the above basic structure, if the air pump 8 is a constant pressure air pump with an air storage bag, an electromagnetic valve 9 can be added between the constant pressure air pump and the one-way valve 7 at this time. In this structure, the air pump 8 starts when the pressure is lower than the set value, and the air pump automatically stops when the set pressure is reached. The advantage is that the air pump works in a silent state.

Embodiment 3

[0019] In the above two structures, the water discharge solenoid valve 2 can also be directly arranged in the hot water tank of the heat absorbing water storage assembly 1 of the solar water heater.

[0020] The working principle of the solar water heater water supply control device is: when the solar water heater is filled with water, the water discharge solenoid valve 2 and the cold water control solenoid valve 4 are energized and opened at the same time, and the cold water enters the solar water heater water tank through the special water delivery pipe 3, and the water is filled or interrupted manually After the water enters, the cold water control solenoid valve 4 is powered off and closed. At the same time, the air pump 8 is automatically started (or the solenoid valve 9 is opened) to enter the compressed air into the pipeline through the one-way valve 7, and the water in the pipeline is sent into the pipeline through the solenoid valve 2. In the solar water heater water t...

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PUM

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Abstract

The invention provides a water supply control device of a solar water heater, consisting of a heat absorbing and water storing unit of the solar water heater, a water drain electromagnetic valve, a conduit pipe, a cold water control electromagnetic valve and a hot water use valve. The invention is characterized in that the joint of the hot water use valve and the conduit pipe is provided with a three-way connection which is communicated with the hot water use valve and the conduit pipe; another connection of the three-way connection is provided with a non return valve and a gas precharge valve; a pipeline above the three-way connection is provided with the cold water control electromagnetic valve which is connected with a source of water supply and the water drain electromagnetic valve; the water drain electromagnetic valve should approach the solar energy water tank to the greatest extent and be directly arranged in a hot water tank of the heat absorbing and water storing unit 1. The device can get the retained water staying in a pipeline back to the water tank of the water heater after the hot water is used up to ensure that no water exists in the pipeline and that the cold water inside the pipeline does not need to discharge when the water heater is used again, thereby saving the water resources staying in the pipeline. When the hot water is not used, the pipeline is empty, which avoids wasting the electrical energy due to the heat preservation of the pipeline and prevents the pipeline from freezing.

Description

technical field [0001] The invention relates to a water supply control device for a solar water heater, which belongs to the category of energy-saving and water-saving devices for solar water heaters. Background technique [0002] Most of the current solar water heaters use vacuum tubes to collect heat to maximize the conversion of light and heat. The hot water is sent to the thermal water tank through microcirculation, and then to the user through a dedicated pipeline. It is a very ideal energy-saving heating device. It is a key energy-saving project promoted by the country and is also deeply loved by users. However, due to the heat collection characteristics of solar water heaters, at present, users who live on the top floor of buildings are willing to accept the use. Large, and the low-temperature water in the pipeline below the original solar water heater water tank must be exhausted during use. And the lower the floor, the more cold water in the pipeline will be disch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/46F24D19/10
CPCY02B10/20Y02E10/40Y02B10/70Y02B10/40
Inventor 邓朝阳
Owner 邓朝阳