Irregular heater and heating method thereof

A heater and irregular technology, applied in the direction of ohmic resistance heating, electric heating device, static indicator, etc., can solve irregular problems and achieve the effect of ensuring that the temperature is too high

Active Publication Date: 2012-07-04
中航华东光电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide an improved irregular heater and a heating method for the irregular heater aiming at the proble

Method used

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  • Irregular heater and heating method thereof
  • Irregular heater and heating method thereof
  • Irregular heater and heating method thereof

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Embodiment Construction

[0061] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0062] see figure image 3 , the irregular heater includes: a heater body 50, the heater body 50 is five sides with a first side 51, a second side 52, a third side 53, a fourth side 54, and a fifth side 55 connected end to end in sequence shaped structure; the first conductive strip 1, the second conductive strip 2, and the third conductive strip 3 are respectively fixed on the first side 51, the third side 53 and the fourth side 54, and the third conductive strip on the fourth side 54 3. Set at the end of the fourth side 54 close to the fifth side 55; the first electrode 11, the second electrode ...

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Abstract

The invention discloses an irregular heater and a heating method thereof. The irregular heater comprises a conducting metal strip, a heating electrode and a monitoring temperature sensor, and a drive circuit is designed to change the polarity of the heating electrode. The single variable control complementary output ensures uniqueness of the polarity of the electrode. The hysteretic heat characteristic of the heater enables the heater not to act frequently at an equilibrium temperature point. A temperature hardware protection circuit ensures that heating is not performed at the normal temperature and local temperature of the heater is not over high. A grounding control metal oxide semiconductor (MOS) tube preventing through current from being produced when the polarity of the electrode is replaced.

Description

technical field [0001] The invention relates to a screen heater in a color liquid crystal display, in particular to an irregular heater and a heating method thereof. Background technique [0002] On an aircraft, an irregularly shaped liquid crystal display is often designed according to a restricted structure, so its heater is also irregularly shaped. [0003] Common liquid crystal display heaters are rectangular, and conductive copper foil can be pasted on two opposite sides of the rectangular heater, and then two electrodes can be drawn out (see figure 1 ), uniform heating can be achieved. from figure 1 It can be seen that the sheet resistance from electrode 1 to electrode 2 is uniform. [0004] For irregular heaters, the lead-out of conductive copper foil strips and electrodes will determine the uniformity of heating, see figure 2 , The heater is an irregular pentagonal structure. Improper installation of copper foil strips and electrodes may even cause the heater t...

Claims

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Application Information

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IPC IPC(8): G02F1/133H05B3/00
Inventor 章小兵刘波李拓辉沈建赵小珍陈文明朱标
Owner 中航华东光电有限公司
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