Electric heating anti-drop device for solar water heater
A technology of solar water heater and anti-dropping device, which is applied to solar thermal devices, solar thermal power generation, heating devices, etc., can solve the problems of insufficient light, easy leakage of electric heating devices, and threats to the life safety of users, so as to ensure safety. Effect
Inactive Publication Date: 2012-10-17
JIANGSU JIAHAO SOLAR ENERGY TECH
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Problems solved by technology
However, if encountering continuous rainy days and insufficient solar light, the solar water heater will not be able to provide hot water, which will cause inconvenience to people's lives. The heating device is installed in it to assist heating, so that the solar water heater can provide hot water no matter what climate it faces
[0003] As we all know, after the electric heating device is inserted into the water tank, its outer end is plugged into the placement hole like a plug to realize the connection with the water tank. Due to the long-term high temperature inside the water tank, the gravity of the water, the corrosion of the water, and the Due to thermal expansion and contraction of the water tank, water leakage or falling off of the electric heating device is very likely to occur between the matching surface of the electric heating device and the water tank placement hole. If the above situation occurs, it will not only affect the normal use of the water heater, but also cause inconvenience to people's lives. More importantly: It is easy to cause leakage accidents, and serious cases will threaten the lives of users
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[0016] Such as figure 1 , figure 2 As shown, it includes the electric heating device placement hole 2 arranged on the water tank 1, and the electric heating device installed therein. The electric heating placement hole 2 is provided with an anti-off cover 3 outside, and the anti-off cover 3 is bowl-shaped. Its mouth is provided with an everted flange, and four holes 5 are provided on the flange, and corresponding holes are provided on the outer barrel around the electric heating placement hole 2, and the anti-off cover 3 is fixed on the water tank by bolts 1 on the outer barrel. The bottom of the anti-off cover 3 is provided with a wire hole 4,
[0017] The inner diameter of the bowl-shaped anti-off cover 3 is equal to the diameter of the placement hole 2, and the depth of the bowl is consistent with the length of the outer end of the electric heating device exposed to the outer barrel of the water tank 1.
[0018] The anti-off cover 3 is an injection molded part.
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The invention discloses an electric heating anti-drop device for a solar water heater. The anti-drop device comprises an electric heating device placement hole in a water tank and an electric heating device arranged in the hole, wherein an anti-drop cover is arranged outside the electric heating device placement hole; an electric wire hole is formed in the anti-drop cover; and the anti-drop cover is fixed on an outer barrel of the water tank. The electric heating anti-drop device for the solar water heater can prevent the electric heating device from dropping and leaking water and electricity, and is detachable; and the electric heating device is convenient to maintain.
Description
technical field [0001] The invention relates to the field of solar water heaters, in particular to an electric heating detachment prevention device for solar water heaters. Background technique [0002] Solar water heaters convert sunlight energy into heat energy, and heat water from low temperature to high temperature, so as to meet the hot water use in people's life and production. Solar energy is an inexhaustible source of energy, and is an environmentally friendly and clean energy source, so solar water heaters are widely promoted. However, if encountering continuous rainy days and insufficient solar light, the solar water heater will not be able to provide hot water, which will cause inconvenience to people's lives. The heating device is installed in it to assist heating, so that the solar water heater can provide hot water no matter what kind of climate it faces. [0003] As we all know, after the electric heating device is inserted into the water tank, its outer end...
Claims
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IPC IPC(8): F24J2/46
CPCY02E10/40
Inventor 王维英
Owner JIANGSU JIAHAO SOLAR ENERGY TECH