Automatic heating control circuit, display and heating method
A technology of automatic heating control and heating circuit, which is applied in the direction of auxiliary controller with auxiliary heating device and electric temperature control, etc., which can solve the problem that the display cannot work, etc.
Active Publication Date: 2015-03-11
中航华东光电有限公司
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[0004] The purpose of the present invention is to provide an automatic heating control circuit, a display and a heating method, the automatic heating control circuit overcomes the problem that the display in the prior art cannot work in a low temperature environment, and realizes the automatic heating system of the product
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[0031] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0032] The present invention provides an automatic heating control circuit, the automatic heating control circuit includes: a temperature sensor, the temperature sensor is used to detect temperature data;
[0033] a comparator configured to be connected to the temperature sensor to compare the temperature data with first preset data to obtain a first on signal or a first off signal;
[0034] a control unit configured to be connected to the temperature sensor to process the temperature data to obtain a second opening signal or a second closing signal;
[0035] The heating circuit is configured to be respectively connected to the comparator and the control unit t...
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The invention discloses a heating control circuit, a display and a heating method. The automatic heating control circuit comprises temperature sensors, a comparator, a control unit and a heating circuit, wherein the temperature sensors are used for detecting temperature data; the comparator is configured to be connected with the temperature sensors to compare the temperature data with first default data to obtain a first opening signal or a first closing signal; the control unit is configured to be connected with the temperature sensors to process the temperature data to obtain a second opening signal or a second closing data; the heating circuit is configured to be connected with the comparator and the control unit to judge whether heating needs to be performed through a heater. The automatic heating control circuit solves the problem in the prior art that the display cannot work at a low temperature and achieves automatic heating systems of products.
Description
technical field [0001] The invention relates to the heating field, in particular to an automatic heating control circuit, a display and a heating method. Background technique [0002] At present, the airborne liquid crystal display module needs to meet the corresponding environmental requirements in the actual application process, and the low temperature can reach -45°C. When the liquid crystal works in a low temperature environment, the viscosity of the liquid crystal increases, the electro-optic effect weakens or disappears and cannot work normally. At this time, the overall brightness of the LCD screen decreases, the color fades, the contrast decreases rapidly, and the response time for image loading is prolonged. When the temperature drops further (below -30°C), the signal disappears, and the LCD screen becomes normally white. Due to the liquid crystal molecules Due to its special physical characteristics, when the display is activated at low temperature, the information...
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IPC IPC(8): G05D23/32
Inventor 夏云奇徐勇飞王亮黄荣园李斌
Owner 中航华东光电有限公司