CN-224203189-U - Performance detection test bed for lubricating oil abrasive particle sensor simulating working condition of aircraft engine

CN224203189UCN 224203189 UCN224203189 UCN 224203189UCN-224203189-U

Abstract

The utility model relates to the technical field of detection of an aircraft engine lubricating oil system, in particular to a lubricating oil abrasive particle sensor performance detection test bed for simulating the working condition of an aircraft engine, which comprises a lubricating oil circulation system, an abrasive particle feeding system, an environment control system and a measurement and control interaction system, wherein the lubricating oil circulation system comprises a lubricating oil tank, a circulating pump, an energy accumulator, a lubricating oil pipeline, an oil filter and a radiator, the abrasive particle feeding system comprises an abrasive particle oil tank and a metering pump, the environment control system comprises an environment-controlled fume hood, an air filter valve, a pipeline heater and an oil gas recovery assembly, and the test bench can truly simulate the lubricating oil environment in the aircraft engine, including key parameters of temperature, pressure, flow rate and abrasive particle content, through the cooperative work of the lubricating oil circulation system, the abrasive particle feeding system, the environment control system and the measurement and control interaction system, so that the accuracy and reliability of test results are ensured.

Inventors

DENG KE
DENG WENQIANG
ZHANG XIANCHAO
ZHU YUANHANG
YANG YILIN
MIAO YAN
GUAN YU

Assignees

北京航峰精诚装备技术有限公司

Dates

Publication Date: 20260505
Application Date: 20241211

Claims (6)

1. The utility model provides a simulation aircraft engine operating mode lubricating oil abrasive particle sensor performance detection test bench, a serial communication port, including lubricating oil circulation system, abrasive particle feeding system, environment control system and observe and control interactive system, lubricating oil circulation system includes lubricating oil tank, circulating pump, energy storage ware, lubricating oil pipeline, oil filter and radiator, abrasive particle feeding system includes abrasive particle oil tank and metering pump, environment control system includes ring accuse fume hood, air filter valve, pipeline heater and oil gas recovery subassembly, observe and control interactive system includes liquid level sensor, flow sensor, pressure sensor, temperature sensor, lubricating oil abrasive particle sensor, bits sensor and display control platform, the circulating pump passes through oil pipe and lubricating oil tank and energy storage ware intercommunication, the energy storage ware passes through oil pipe and lubricating oil pipeline intercommunication, the rear end of lubricating oil pipeline is equipped with the bleed valve, the bleed valve is connected with oil recovery subassembly, the rear end of lubricating oil pipeline is installed oil filter and radiator, the abrasive particle is through oil pipe and lubricating oil tank intercommunication, the oil tank passes through the delivery pipe and pipeline heater and the oil recovery subassembly, the flow sensor is installed at the annular duct and is installed at the temperature sensor, the oil heater is installed at the side of the lubricating oil pipeline and is installed at the air vent, the side of the air vent is installed to the flow sensor is installed to the side of the lubricating oil pipeline, the flow sensor is installed to the air vent, the flow sensor is installed at the side of the lubricating oil pipeline and is provided with the air vent, the flow sensor is installed to the air vent, the air vent is installed to the air vent, and the lubricating oil abrasive particle sensor is positioned at the rear of the pressure sensor, the chip sensor is positioned at the rear of the lubricating oil abrasive particle sensor, and the liquid level sensor, the flow sensor, the pressure sensor, the temperature sensor, the lubricating oil abrasive particle sensor and the chip sensor are all electrically connected with the display control platform.
2. The performance detection test bed for the lubricating oil abrasive particle sensor for simulating the working conditions of the aircraft engine according to claim 1, wherein the lubricating oil tank is provided with a tank heater, a temperature sensor and a flow rate sensor, and the tank heater, the temperature sensor and the flow rate sensor are electrically connected with the display control platform.
3. The performance detection test bed for the lubricating oil abrasive particle sensor simulating the working condition of the aircraft engine according to claim 2, wherein a liquid level observation window is arranged on the lubricating oil tank.
4. A test stand for detecting performance of an oil and abrasive particle sensor simulating aircraft engine operation according to claim 3, wherein the oil and gas recovery assembly comprises a condensing oil pipe and a heat dissipating coil, the heat dissipating coil being in communication with the air release valve and the condensing oil pipe.
5. The test stand for detecting performance of an oil and abrasive particle sensor simulating engine operating conditions of an aircraft according to claim 4, further comprising an outdoor refrigerator, wherein the outdoor refrigerator is mounted on an environmental control fume hood and is connected with a radiator and a vent.
6. The test bed for detecting performance of the lubricating oil abrasive particle sensor for simulating the working conditions of the aircraft engine according to claim 5, further comprising a motor controller and a motor, wherein the motor controller is electrically connected with the display control platform, the motor is electrically connected with the motor controller, and the output end of the motor is connected with the circulating pump.

Description

Performance detection test bed for lubricating oil abrasive particle sensor simulating working condition of aircraft engine Technical Field The utility model relates to the technical field of detection of an aircraft engine lubricating oil system, in particular to a performance detection test bed for a lubricating oil abrasive particle sensor for simulating the working condition of an aircraft engine. Background In mechanical systems, particularly in complex power plants in the aeronautical and astronautical fields, abrasive particles generated by friction during the operation of the equipment are one of the key indicators for evaluating the health status thereof. The number and type of abrasive particles directly reflect the degree of wear of the equipment, and excessive abrasive particles not only reduce the operation efficiency of the equipment, but also can form serious threat to the safety of the system. Therefore, the method realizes real-time monitoring of the abrasive particle content in the lubricating oil, and has important significance for early warning of equipment faults, reducing unplanned downtime and reducing maintenance cost. In view of the importance of abrasive particle monitoring, it is particularly important to develop a test bench capable of accurately evaluating the performance of a lubricating oil abrasive particle sensor. The test bed needs to have the capability of simulating the actual working conditions of the aircraft engine, including but not limited to parameters such as temperature, pressure, flow rate and the like, so as to comprehensively test the response characteristics and accuracy of the sensor under different working environments. In addition, the test bed is integrated with a high-efficiency data acquisition system, so that data output by the sensor can be recorded and analyzed in real time, and a reliable basis is provided for performance evaluation of the sensor. At present, the performance detection system of the lubricating oil abrasive particle sensor in the market generally adopts the following technical scheme that the sensor is connected with a data processing module through a sensor cable, and the data processing module is respectively connected with an upper computer and a power supply system through a communication cable and a power supply cable. In actual operation, an operator simulates the flow of abrasive particles through the sensor by pulling a special tool containing ferromagnetic and non-ferromagnetic particles of a specific concentration. And (3) by observing the counting condition of the monitoring channel displayed on the upper computer and comparing with the actual drawing times, calculating the detection rate of the sensor, and taking the detection rate as a standard for judging whether the performance of the sensor is qualified. However, the prior art scheme has the defects that firstly, the fidelity of the simulation working condition is limited, the complex environment in the actual operation of the aircraft engine is difficult to fully reproduce, secondly, the data processing and analyzing means are relatively single, the intelligent and automatic advanced analyzing capability is lacking, and thirdly, the long-term stability and durability test of the sensor under different working conditions is insufficient. Disclosure of utility model (One) solving the technical problems Aiming at the defects of the prior art, the utility model provides a performance detection test bed for a lubricating oil abrasive particle sensor for simulating the working condition of an aircraft engine. (II) technical scheme The utility model provides a performance detection test bed for an oil grain sensor simulating working conditions of an aircraft engine, which comprises an oil circulation system, an abrasive grain feeding system, an environment control system and a measurement and control interaction system, wherein the oil circulation system comprises an oil tank, a circulating pump, an energy accumulator, an oil pipe, an oil filter and a radiator, the abrasive grain feeding system comprises an abrasive grain oil tank and a metering pump, the environment control system comprises a circular control fume hood, an air filtering valve, a pipeline heater and an oil gas recovery assembly, the measurement and control interaction system comprises a liquid level sensor, a flow sensor, a pressure sensor, a temperature sensor, an oil grain sensor, a chip sensor and a display control platform, the circulating pump is communicated with the oil tank and the energy accumulator through an oil pipe, the energy accumulator is communicated with the oil pipe, the rear end of the oil pipe is provided with a release valve, the release valve is connected with the oil recovery assembly, the rear end of the oil pipe is provided with the oil filter and the radiator, the oil tank is communicated with the oil pipe through the oil pipe, the temperature sensor is arranged at the air inlet of