Graphite heater

A technology of graphite heater and graphite heating, applied in heating elements, ohmic resistance heating, ohmic resistance heating parts, etc., can solve problems such as blurred pictures and achieve the effect of meeting heating needs

Active Publication Date: 2013-10-23
BEIJING INST OF STRUCTURE & ENVIRONMENT ENG +1
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  • Application Information

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Problems solved by technology

However, there are currently no domestic reports on graphite heaters that will be used in thermal tests of local structures such as space shuttles; in the data, NASA in the United States used graphite heaters for thermal tests of local structures such as space shuttles, but the pictures are blurry and there is no relevant information. The technical information can be queried

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] A kind of graphite heater, its overall structure is as figure 1 , figure 2 , image 3 As shown, it includes main reflector 1, side reflector 2, graphite heating element 3, power confluence mechanism 4, insulation mechanism 5, water collector 6, installation support mechanism 7, cooling water tank 8 and compensation end 9; the main reflector 1. The side reflector 2, the power converging mechanism 4 and the cooling water tank 8 are all hollow water cooling structures, and all have water inlets and water outlets. The main reflector 1 and the side reflector 2 are flat-plate hollow water cooling structures, and their size matches the graphite heating element 3. They are both made of polished aluminum plates. Improve the reflectivity of the reflective surface and improve the heating efficiency of graphite heating 3; in order to further improve the ...

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Abstract

The invention provides a graphite heater comprising a main reflector (1), a side reflector (2), a power supply confluence mechanism (4) and a cooling water box (8) which are in a hollow water-filled cooling structure. The graphite heater further comprises a graphite heating element (3), an insulating mechanism (5), a water collector (6), an installation supporting mechanism (7) and a compensating end (9). According to the heating application characteristic of the graphite, multiple groups of heating modules are enabled to be connected in series so as to meet with heating requirements of objects with various shapes and sizes like a flat plate, a cylinder shape and a conical shape, etc. A maximum heating heat flow that can be provided surpasses 3000 kW / m<2>, and a maximum heating heat flow change rate surpasses 200 kW / m<2> / s. Besides, an accurate control is realized according to a given control curve so that defects of a quartz lamp heater and domestically existing graphite heaters are compensated and thus heating requirements of a high heat flow test are met.

Description

technical field [0001] The invention belongs to the technical field of thermal environment, and in particular relates to a graphite heater providing high heat flow for structural thermal tests of missiles and other high-speed aircraft Background technique [0002] The heaters required to simulate the aerodynamic thermal environment of aircraft structures such as missiles need to be able to provide rapidly changing heat flow conditions, and can be combined into the required shape according to the shape of the test object. At present, quartz lamp heaters are generally used for aircraft structural thermal tests, and structural design is carried out according to test needs, but the maximum heating heat flow that ordinary quartz lamp heaters can provide is about 1200kW / m 2 , the maximum capacity of the modularized specially designed quartz lamp heater is 1600kW / m 2 , After exceeding this value, the quartz lamp heater can do nothing. [0003] Graphite is widely used as a heating...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/00H05B3/06
Inventor 何西波尹晓峰巨亚堂
Owner BEIJING INST OF STRUCTURE & ENVIRONMENT ENG
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