Heating temperature control box of aircraft windshield glass

Abstract

The invention discloses a heating temperature control box of aircraft windshield glass. According to the temperature box, a new control circuit is designed for a temperature sensor PT1000 and mountedin a cockpit; the heating temperature control box has a function of switching on or off a heating assembly in the glass to automatically control the temperature of the glass so as to achieve the anti-icing and de-icing purposes, and meanwhile has the self-inspection and error showing functions; by adopting the PT1000 temperature sensor and a circuit structure of the heating temperature control boxof the glass, interchangeability of a product is ensured, the situation that ground guarantee personnel need to conduct parameter adjustment on the heating temperature control box of the glass according to the temperature sensor in the windshield glass is avoided, manpower and material resources are saved greatly, the aircraft maintenance time is shortened, and the practicability of the heating temperature control box is improved greatly.

Description

【Technical field】 [0001] The invention belongs to the field of windshield electric heating glass, in particular to an aircraft windshield glass heating temperature control box. 【Background technique】 [0002] During the flight of the aircraft, the temperature of the driver's windshield changes with the change of the flight altitude and the external environment and climate, resulting in the possibility of icing and frosting on the driver's windshield, which affects flight safety. Therefore, all aircraft have a temperature sensor and a glass heating assembly inside the driver's windshield. The temperature sensor is used to detect the temperature of the windshield, the glass heating component is used to heat the windshield, and a three-phase AC 115V power supply is used to provide heating power. The glass heating temperature control box is used to control the on and off of the heating power supply to prevent the windshield from freezing and frosting due to too low temperature,...

AI Technical Summary

Problems solved by technology

[0003] At present, the temperature sensors installed inside the windshield glass of my country's Y8 aircraft are all MF111-2. The temperature dispersion is very large and the interchangeability is poor. As a result, each glass heating temperature control box needs to be installed according to the windshield on the aircraft. The temperature sensor parameters inside the glass adjust the glass heating temperature control box

The adjustment process is very difficult, and because the ambient temperature of the windshield cannot be accurately measured in the field, the parameter adjustment of the glass heating temperature control box cannot guarantee the accuracy

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