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Circulating and reflecting electric heater

An electric heater and heat reflecting plate technology, applied in the field of electric heaters, can solve the problems of not being able to give full play to the effects of reflection and convection, no unified use of reflection and convection, unreasonable structural design, etc. The effect of increasing the area and improving the heating efficiency

Inactive Publication Date: 2011-06-22
NINGBO SINGFUN ELECTRIC APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its structural design is unreasonable, and it cannot give full play to the effects of reflection and convection, nor does it combine reflection and convection well.
There is no qualitative improvement in heating efficiency compared to existing electric heaters in each individual mode

Method used

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  • Circulating and reflecting electric heater
  • Circulating and reflecting electric heater
  • Circulating and reflecting electric heater

Examples

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Effect test

no. 2 example

[0041] The second embodiment, compared to the first embodiment, such as Figure 7 As shown, the improvement mainly lies in that in the heat reflection plate 3, the shape of the reflection groove c is a right angle. The heating device 2 is located in the right-angle reflective groove c. The air flow hole 31 on the reflective groove c is located on the bottom edge of the right-angled reflective groove c. This right-angle reflective groove c can reflect heat from both horizontal and vertical directions, such as Figure 7 As shown, the reflected heat can be reflected from the upper air outlet 12 and the left side air outlet 12 of the casing 1 . Other parts are the same as those of the first embodiment, and will not be repeated here.

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Abstract

The invention relates to a circulating and reflecting electric heater, which comprises a shell, an air inlet, an air outlet, heating devices, a heat reflector and a switch controller, wherein an airflow through hole is formed on the heat reflector which is arranged in the shell in an inclined way to divide the shell into a cold air cavity and a hot air cavity; the air inlet is communicated with the cold air cavity, and the air outlet is communicated with the hot air cavity; a plurality of heating devices are positioned in the hot air cavity; and the plurality of heating devices correspond to the heat reflector and are staggered in the vertical direction and horizontal direction and distributed in the shell in an inclined way. The heating devices heat the air in the hot air cavity, so the air generates pressure difference and flows circularly; and the heating devices correspond to the heat reflector, and heat is reflected outside to further raise air temperature, increase the change ofpressure difference between cold and hot air and improve the flow speed of the air, so the air flowing outside from the air outlet has higher temperature and higher speed. By the combination of the two aspects, the heating efficiency of the electric heater and the circulation and convention speed are improved obviously.

Description

technical field [0001] The invention relates to an electric heater, in particular to a circulating reflection electric heater. Background technique [0002] At present, electric heaters have been widely used, especially in cold and humid places in the south in winter, because there is no heating supply, the use of electric heaters is more common. [0003] For the development of electric heaters, it has experienced oil-based electric heaters and oil-free electric heaters. The oil heater mainly injects oil inside the electric heater, and uses the heat dissipation of the oil to conduct heat by heating the oil. The main problem with this type of electric heater is that there is a problem of oil leakage, and once the oil leaks, it will not be able to be used. The manufacturing cost is also higher, and the transportation requirements are also higher. At present, the oil-free electric heater is mainly radiant, and the heat source of the heating element is radiated through the ra...

Claims

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Application Information

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IPC IPC(8): F24D13/00
Inventor 姚国宁谢海兵黎明德
Owner NINGBO SINGFUN ELECTRIC APPLIANCE
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