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Low-temperature radiating electrical bar heating system

A heating system and low-temperature radiation technology, which is applied in the field of heating systems, can solve the problems of poor heat preservation effect, low safety factor, and electricity consumption of electric heating equipment, and achieve the effects of fast heating speed, saving electricity, and reducing heat loss

Inactive Publication Date: 2020-12-25
陕西瑞斯博新能源科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of electric heating equipment in the prior art, such as high electricity consumption, poor heat preservation effect, and low safety factor, and provides a low-temperature radiation electric heating rod heating system

Method used

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  • Low-temperature radiating electrical bar heating system
  • Low-temperature radiating electrical bar heating system
  • Low-temperature radiating electrical bar heating system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] combine figure 1 , a low-temperature radiant electric heating rod heating system in this embodiment, comprising: a thermal insulation layer 2, the thermal insulation layer 2 is a structural layer used to block heat transfer and reduce ineffective heat loss, and the thermal insulation layer 2 is installed on the structure Above the plate layer 1; an electric heating layer 3, the electric heating layer 3 is formed by parallel connection of several electric heating rods 5, and the electric heating rod 5 is composed of graphite outsourcing resin insulation skin, and the electric heating layer 3 is arranged on the heat insulating On the layer 2; the finish layer 4, the finish layer 4 is arranged on the electric heating layer 3, and the thermal resistance of the finish layer 4 is less than 0.05 (m 2 · k) / w; the cross-section of the electric heating rod 5 is elliptical, its major axis is not less than 8 mm, and its minor axis is not less than 5 mm.

[0040] When the system is...

Embodiment 2

[0051] Compared with Example 1, the low-temperature heat radiation electric heating rod heating system of this embodiment furthermore, the number of electric heating rods 5 required for heating the room satisfies the following relationship:

[0052] N=(1+k)P / Pm

[0053] Among them, N-the number of electric heating rods required (m); P-room heat load value (w); Pm-effective power of electric heating rods per meter for heating the room (w); k-additional operating coefficient.

[0054] As a further improvement of this scheme, the calculation relation of room heat load value is as follows:

[0055] P=α*Qj+qh*M

[0056] Qj=ß*f*k 1 *(tn-tw)

[0057] Among them, α-the correction coefficient of intermittent heating; Qj-the basic heat load of the room (w); qh-the average heat transfer between rooms per unit area of ​​the room, take 7w / m 2 ; M- room use area (m 2 ); ß-envelope temperature correction coefficient; f-envelope area (m 2 ); k 1 - Heat transfer coefficient of envelope ...

Embodiment 3

[0061] Compared with Embodiment 2, a low-temperature heat radiation electric heating rod heating system of this embodiment further combines image 3 , also includes a temperature control device, the temperature control device is attached to the electric heating layer 3, the temperature control device is used to control the temperature of the electric heating layer 3, the temperature control device includes a temperature probe 7 and a temperature controller 8, The temperature-sensing probe 7 is attached to the electric heating layer 3 , the temperature controller 8 is connected to a power supply, and the temperature-sensing probe 7 and the temperature controller 8 are connected through a signal line.

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Abstract

The invention relates to the field of heating systems, in particular to a low-temperature radiating electrical bar heating system. The heating system comprises a heat insulating layer, an electric heating layer and a facing layer, wherein the heat insulating layer is a structural layer for blocking heat transfer and reducing useless heat loss and is mounted on a structural plate layer; the electric heating layer is formed by connecting a plurality of electrical bars in parallel, each electrical bar is formed by wrapping graphite in a resin insulating sheath, and the electric heating layer is arranged on the heat insulating layer; the facing layer is arranged on the electric heating layer, and the heat resistance of the facing layer is smaller than 0.05(m<2>.k) / w; and the cross section of each electrical bar is oval, the long axis of each electrical bar is not smaller than 8mm, and the short axis of each electrical bar is not smaller than 5mm. According to the low-temperature radiatingelectrical bar heating system adopting the scheme, the problems that in the prior art, electric heating equipment consumes power and is low in heat energy conversion efficiency, poor in heating effectand low in safety coefficient are solved.

Description

technical field [0001] The invention relates to the field of heating systems, in particular to a low-temperature radiation electric heating rod heating system. Background technique [0002] At present, the indoor heating of buildings mainly adopts two types of water, steam heating and electric heating, and water and steam heating need to lay heating pipelines and heating boilers indoors and outdoors, which requires a large one-time investment and requires year-round maintenance. The heating effect is not easy to control and difficult to measure, which is not conducive to energy saving and environmental protection. Nowadays, electric heating is mostly used, which is obviously superior to traditional heating methods. It has many advantages such as less investment, simple maintenance, independent temperature control, convenient measurement and energy saving. Electric heating generally uses air conditioners and electrothermal film floor heating to heat indoors. The scope of ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24D13/02F24D19/00F24D19/10E04F15/02E04F15/18
CPCF24D13/024F24D19/00F24D19/1096E04F15/02E04F15/181E04F2290/023E04F2290/04
Inventor 杨筱平马振周吴敏
Owner 陕西瑞斯博新能源科技有限公司
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