Lubricating oil quantity sensor testing device

By designing a lubricating oil quantity sensor testing device, the problem of deviation in ground simulation test results of lubricating oil quantity sensors was solved, enabling accurate simulation of the aircraft fuel tank environment and sensor performance evaluation, with multi-model compatibility.

CN223678602UActive Publication Date: 2025-12-16SHAANXI AIRCRAFT CORPORATION
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Patent Information

Application Number
CN202423209677.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-16
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The lack of dedicated tooling in existing technologies makes it easy for the results of ground simulation tests of lubricating oil volume sensors to be inaccurate.

Method used

A lubricating oil level sensor testing device was designed, including a simulated oil tank, an oil storage tank, an oil supply line, a scale, and a bracket. The device simulates the environment of an aircraft fuel tank and uses the scale to read the oil level to evaluate the sensor performance.

Benefits of technology

It enables accurate simulation of the aircraft fuel tank environment on the ground, ensuring the reliability of test results and the test compatibility of sensors, and meeting the testing requirements of various models.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of aeronautical manufacturing, and relates to a lubricating oil quantity sensor testing device which comprises a simulation oil tank, an oil storage tank, an oil supply pipeline, a scale and a support, the oil storage tank is arranged on the support, the transparent simulation oil tank is communicated with the oil storage tank through the oil supply pipeline, and the scale is arranged on the outer surface of the simulation oil tank. According to the utility model, the problem that the test result is easy to deviate when a ground simulation test is carried out due to the lack of a special tool for a certain type of lubricating oil quantity sensor is solved, and the simulation of the environment in an aircraft fuel tank on the ground is realized.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of aviation manufacturing technology relates to a lubricating oil quantity sensor testing arrangement, for certain medium -sized transport plane simulation test, install certain type lubricating oil quantity sensor in simulation oil tank, and provide simulation test time medium environment on the plane. BACKGROUND

[0002] Lubricating oil quantity sensor is used for measuring how much lubricating oil tank oil, when measuring, lubricating oil quantity sensor senses oil surface height in oil tank, converts oil surface height into voltage value and sends to fuel computer, and fuel computer converts voltage value into oil quantity through calculation for the reference of pilot. Its measurement data is one of several factors for safe flight judgment.

[0003] At present, when the lubricating oil quantity sensor in the aircraft fuel tank is ground simulated, there is lack of special tooling to simulate its working environment, resulting in deviation of test results. A lubricating oil quantity sensor testing device needs to be specially made to simulate the lubricating oil tank on the plane for detecting the performance of the lubricating oil quantity sensor. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem: the utility model is used to solve the problem that the test result is prone to deviation when certain type lubricating oil quantity sensor is simulated on the ground due to lack of special tooling, and provides a lubricating oil quantity sensor testing device, which can simulate the environment in the aircraft fuel tank on the ground.

[0005] TECHNICAL SCHEME

[0006] A lubricating oil quantity sensor testing device, comprising a simulation oil tank, an oil storage tank, an oil supply pipeline, a scale, and a support, wherein the oil storage tank is arranged on the support, the transparent simulation oil tank is communicated with the oil storage tank through the oil supply pipeline, and the scale is arranged on the outer surface of the simulation oil tank.

[0007] Further, the lower part of the oil storage tank is provided with a drain port, a ball valve is arranged on the drain port, the upper surface of the oil storage tank is provided with an oil filling port, an air inlet and an air outlet.

[0008] Further, an oil receiving disc is arranged on the support and located below the drain port of the oil storage tank.

[0009] Further, a dustproof port cover is arranged on the top of the simulation oil tank.

[0010] Further, the upper surface of the oil storage tank is provided with a reinforcing rib, and the simulation oil tank is connected with the reinforcing rib through a clamp.

[0011] Further, the oil storage tank is connected with the reinforcing rib through a clamp.

[0012] Further, a plug is arranged on the oil filling port of the oil storage tank.

[0013] Further, a switch ball valve is arranged on the oil supply pipeline.

[0014] Advantageous effects

[0015] The utility model solves the problem that the test result is easy to appear deviation when the certain type of oil quantity sensor lacks special tool and carries out ground simulation test, provides a kind of oil quantity sensor testing device, realizes the simulation of the environment in the upper airplane fuel tank on ground.

[0016] The utility model is convenient to operate and reliable in connection, can satisfy the test requirement of oil quantity sensor. It has certain compatibility for a variety of model oil quantity sensors in size range, and has certain practical value. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the device structure front view of the utility model;

[0018] Figure 2 It is the device structure side view of the utility model;

[0019] Figure 3 It is the support structure schematic view of the utility model;

[0020] Wherein, 1, simulation oil tank, 2, oil storage tank, 3, oil supply pipeline, 4, scale, 5, support, 6, oil drain port, 7, ball valve, 8, oil filling port, 9, air inlet, 10, oil receiving disc, 11, dustproof cover, 12, reinforcing rib, 13, clamp, 14, plug cap, 15, air outlet. DETAILED DESCRIPTION

[0021] The features of various aspects of the utility model and illustrative embodiments will be described in detail below. In the following detailed description, many specific details are proposed in order to provide a comprehensive understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without some of these specific details. The following description of the embodiments is only to provide a better understanding of the utility model by showing examples of the utility model. The utility model is by no means limited to any specific settings and methods proposed below, but covers any improvements, replacements and modifications of structure, method and device without departing from the spirit of the utility model. In the drawings and the following description, the known structures and technologies are not shown to avoid unnecessary obscuring of the utility model.

[0022] It should be noted that the features of the embodiments of the utility model and the embodiments can be combined with each other without conflict, and each embodiment can be mutually referenced and quoted. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0023] As Figures 1-2 shown, the utility model provides a lubricating oil quantity sensor testing device, including simulation oil tank 1, oil storage tank 2, oil supply pipeline 3, scale 4, support 5, the oil storage tank 2 set up on support 5, transparent simulation oil tank 1 is communicated with oil storage tank 2 through oil supply pipeline 3, scale 4 is set up in simulation oil tank 1 outer surface.

[0024] Wherein, in simulation oil tank 1 outer surface, as Figure 1 A region is set up bonding area, and scale 5 is bonded in simulation oil tank 1 outer surface, to ensure that scale 4 is installed stably and prevents its deformation.

[0025] Wherein, the lower part of oil storage tank 2 is provided with oil drain 6, and ball valve 7 is arranged on oil drain 6, after test, oil in oil storage tank 2 is discharged to oil receiving tray 10. The upper surface of oil storage tank 2 is provided with oil injection port 8 and air inlet 9, and oil is injected into oil storage tank 2 and air is filled during test, and air outlet 15 is further arranged on oil storage tank 2, for discharging gas in oil storage tank 2 after test, and ball valve 7 is arranged on air inlet 9 and air outlet 15.

[0026] Wherein, oil receiving tray 10 is arranged on support 5, and oil receiving tray 10 is located below oil drain 6 of oil storage tank 2, and after test, oil in oil storage tank 2 is discharged to oil receiving tray 10.

[0027] Wherein, dustproof cover 11 is arranged on the top of simulation oil tank 1, dustproof cover 11 is tightly covered on the top of simulation oil tank 1 in non-test state, to prevent dust from entering simulation oil tank 1 and polluting the environment in the oil tank, and when performing lubricating oil quantity sensor performance test, dustproof cover 11 is removed, the sensor is loaded into simulation oil tank 1, and the top of simulation oil tank 1 is blocked by the flange of the sensor.

[0028] Wherein, reinforcing rib 12 is arranged on the upper surface of oil storage tank 2, simulation oil tank 1 is connected with reinforcing rib 12 through clamp 13, and oil storage tank 2 is connected with reinforcing rib 13 through clamp 13, to ensure that simulation oil tank 1 is installed firmly and reliably.

[0029] Wherein, plug cap 14 is arranged on oil injection port 8 of oil storage tank 2, and plug cap 14 ensures that oil does not overflow from oil injection port 8.

[0030] Wherein, on-off ball valve is arranged on oil supply pipeline 3, for controlling the on-off of oil in the pipeline.

[0031] The support 5 and reinforcing rib 12 of the whole device are welded by high-strength corrosion-resistant rigid parts, have good supporting force and anti-deformation ability, and can better complete the pressure change and other situations in the test.

[0032] In use, the dustproof cover 11 on the top of the simulation oil tank 1 is removed, the oil quantity sensor is installed into the simulation oil tank 1, the flange of the sensor is used to block the top of the simulation oil tank 1, the sensor is connected with the computer, the ball valve 7 of the oil discharge port 6 on the bottom of the storage tank 2 is closed, the plug cap 9 of the oil filling port 8 on the storage tank 2 is opened, the test oil is filled into the storage tank 2, the storage tank 2 is filled with the test oil, then the ball valve 7 of the air inlet 9 on the storage tank 2 is opened, the gas is injected into the storage tank 9, at this time, the test oil in the storage tank 9 enters the transparent simulation oil tank 1 through the oil supply pipeline 3, at this time, the switch ball valve on the oil supply pipeline 3 is closed, the oil liquid height in the simulation oil tank 1 is kept stable, the scale value is read according to the scale 4, then the oil quantity value measured by the sensor is read on the computer, the scale value is compared, whether the structure of the oil quantity sensor is normal and whether the performance reaches the standard can be judged, after the test is completed, the switch ball valve on the oil supply pipeline 3 and the oil discharge port 6 and the air outlet 15 on the storage tank 2 are opened, the oil liquid and the gas in the storage tank 2 are discharged.

[0033] The above process is repeated for 3-5 times, the oil liquid height in the simulation oil tank 1 is kept at different values, the performance test results of 3-5 times are obtained, the performance of the oil quantity sensor is judged comprehensively according to the performance test results of multiple times.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application.

Claims

1. An oil quantity sensor testing device characterized by comprising: It comprises a simulation oil tank, an oil storage tank, an oil supply pipeline, a scale and a support, the oil storage tank is arranged on the support, the transparent simulation oil tank is communicated with the oil storage tank through the oil supply pipeline, and the scale is arranged on the outer surface of the simulation oil tank.

2. The oil quantity sensor testing device according to claim 1, characterized by The lower part of the oil storage tank is provided with a drain port, a ball valve is arranged on the drain port, the upper surface of the oil storage tank is provided with an oil filling port, an air inlet and an air outlet.

3. The oil quantity sensor testing device according to claim 2, characterized by An oil receiving disc is arranged on the support and located below the drain port of the oil storage tank.

4. The oil quantity sensor testing apparatus according to claim 1, characterized by A dustproof cover is arranged on the top of the simulation oil tank.

5. The oil quantity sensor test device according to claim 1, characterized by The upper surface of the oil storage tank is provided with a reinforcing rib, and the simulation oil tank is connected with the reinforcing rib through a clamp.

6. The oil quantity sensor test device according to claim 1, characterized by The oil storage tank is connected with the reinforcing rib through a clamp.

7. The oil quantity sensor testing apparatus according to claim 2, characterized by A plug cap is arranged on the oil filling port of the oil storage tank.

8. The oil quantity sensor testing apparatus according to claim 2, characterized by A switch ball valve is arranged on the oil supply pipeline.