7 results about "Air data computer" patented technology

The utility model discloses a calibration test fixing device for an atmosphere data computer, which is characterized in that two sides of an upper cover plate and a lower cover plate are respectively supported by a right side plate and a left side plate to form a frame structure, at least three groups of slots are symmetrically arranged on opposite surfaces of the right side plate and the left side plate, the slots are horizontally arranged, and one end of each slot is provided with an opening for inserting a support plate; one end of each slot is open, the other end of each slot is sealed, a supporting plate is selectively inserted into each pair of slots, the supporting plates are used for placing an atmosphere data computer, and the atmosphere data computer is connected with external equipment through a test cable. The device can effectively and absolutely safely lock equipment, has enough bearing and protecting capabilities, is matched with a guide rail structure, locks a hardware plate, stably locks the equipment in a test fixing device, supports multi-equipment access test calibration, greatly saves equipment calibration test cost, reduces calibration time, and improves test efficiency. And the space utilization in the testing process can be increased.

The utility model discloses atmosphere parameter monitoring equipment based on wireless Bluetooth communication, which comprises a signal conversion function board and a DB9 female joint which are connected with each other, and the DB9 female joint is connected with an atmosphere data computer. Wherein the signal conversion function board comprises a wireless Bluetooth module and a current source driver which are connected with each other, the wireless Bluetooth module is connected with the user side equipment, and when the atmosphere data computer is used for external field ground joint test or troubleshooting, the user side equipment can directly receive the air pressure height and the atmosphere parameters indicating the air speed sent by the atmosphere data computer; and analyzing according to a sending parameter protocol. Whether data output of the atmosphere data computer is normal or not can be directly judged through the user side equipment, fault inspection and maintenance of the atmosphere data computer by external field maintenance personnel are facilitated, and the advantages of being easy to operate and convenient to maintain are achieved. And the selected modules and devices belong to general equipment, so that the system has the advantages of low cost, small size, light weight, simplicity in operation and convenience in maintenance.

The application belongs to the technical field of atmospheric data system, and particularly relates to a system and method for heating total pressure sensor and static pressure sensor. The system comprises: a total pressure sensor connected with an atmospheric data computer through a total pressure pipeline; a static pressure sensor connected with the atmospheric data computer through a static pressure pipeline; a first control pipeline connected with an on-board air source system at one end and connected with the total pressure sensor at the other end, and a second control pipeline connected with the on-board air source system at one end and connected with the static pressure sensor at the other end; a first electric control one-way valve arranged on the first control pipeline, and a second electric control one-way valve arranged on the second control pipeline; and the atmospheric data computer is used for controlling the opening or closing of the first electric control one-way valve according to the signal of the total pressure sensor received, and for controlling the opening or closing of the second electric control one-way valve according to the signal of the static pressure sensor received. The application can provide a backup heating measure, improve the system safety, and ensure the flight task and flight safety.

The application provides a kind of helicopter L-shaped air speed pipe gas path water accumulation abnormality detection method, belongs to helicopter L-shaped air speed pipe gas path water accumulation abnormality detection field, the method includes: using metal pipeline, constructs air speed pipe gas path, air speed pipe gas path is connected with atmosphere data computer, and metal probe sensor is installed in total pressure gas path and static pressure gas path;Metal probe sensor is connected with atmosphere data computer, and the down pull resistance formed by rain is obtained using metal probe sensor and metal pipeline;Based on the down pull resistance formed by rain, water accumulation abnormality detection is carried out using the signal acquisition circuit of atmosphere data computer, and the air speed pipe gas path water accumulation abnormality detection result is obtained;The application solves the problem that the existing aircraft air speed pipe cannot carry out gas path water accumulation detection.

An aircraft airflow sensor includes one or more pitot inlets, ports, and / or static ports and a calibration data memory physically storing calibration data with the aircraft airflow sensor probe. The aircraft airflow sensor moreover includes where the calibration data is configured to be implemented in an air data computer (ADC).

The invention belongs to the technical field of airplane atmospheric sensor heating abnormal opening alarm design, and particularly relates to an airplane atmospheric sensor heating abnormal opening alarm system which comprises an atmospheric sensor, a wheel load information acquisition device, an inertial navigation device, an atmospheric data computer, a central alarm computer and a display control unit. Existing equipment on an airplane is utilized, no additional equipment is needed, implementation is easy, when automatic heating of the atmospheric sensor is started abnormally, warning can be conducted in time, a unit or ground crew is prompted to disconnect heating of the atmospheric sensor, and damage to the atmospheric sensor or personnel injury caused by untimely finding is avoided.

An aircraft ground parking atmospheric sensor temperature abnormity alarm system comprises a total pressure sensor, a static pressure sensor, a total temperature sensor, an atmospheric data computer, a central alarm computer and a display control unit. The abnormal high temperature condition of the atmospheric sensor in the ground state can be effectively and automatically detected, an alarm is given out in time, and intelligent diagnosis and early warning of the temperature abnormal risk of the atmospheric sensor parked on the ground of an airplane are achieved.