CN205209605U - Experimental calibration system of fuel tank level sensor - Google Patents
Experimental calibration system of fuel tank level sensor Download PDFInfo
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- CN205209605U CN205209605U CN201521039419.4U CN201521039419U CN205209605U CN 205209605 U CN205209605 U CN 205209605U CN 201521039419 U CN201521039419 U CN 201521039419U CN 205209605 U CN205209605 U CN 205209605U
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Abstract
本实用新型公开了一种燃油箱液位传感器试验标定系统。所述燃油箱液位传感器试验标定系统包括：主油箱，其包括箱体，所述箱体的一个面中空，所述箱体的侧壁上设置有溢流缺口；辅助油箱，其与所述主油箱的溢流缺口连通；供油泄油系统，其分别与主油箱和辅助油箱连通；辅助供油系统，其连通所述辅助油箱以及主油箱；驱动系统，其分别于所述主油箱以及辅助油箱连接。本实用新型的燃油箱液位传感器试验标定系统以恒定液位高度的试验油箱为条件，将液位传感器挂装在电动推杆下端，并且精确控制电动推杆的位移量，进而改变液位传感器浸入液面的深度，通过电动推杆位移量与实际液位传感器测量液位高度的实时对比，能够完成液位传感器测量精度的准确评定。
The utility model discloses a test calibration system for a liquid level sensor of a fuel tank. The fuel tank liquid level sensor test calibration system includes: a main fuel tank, which includes a tank body, one surface of the tank body is hollow, and an overflow gap is provided on the side wall of the tank body; an auxiliary fuel tank, which is connected to the tank body The overflow gap of the main oil tank is connected; the oil supply and drain system is connected with the main oil tank and the auxiliary oil tank respectively; the auxiliary oil supply system is connected with the auxiliary oil tank and the main oil tank; the drive system is connected with the main oil tank and the main oil tank respectively Auxiliary tank connection. The fuel tank liquid level sensor test calibration system of the utility model takes the test fuel tank with a constant liquid level height as the condition, hangs the liquid level sensor on the lower end of the electric push rod, and precisely controls the displacement of the electric push rod, and then changes the liquid level sensor. The depth of immersion into the liquid surface, through the real-time comparison of the displacement of the electric push rod and the actual height of the liquid level measured by the liquid level sensor, can complete the accurate evaluation of the measurement accuracy of the liquid level sensor.
Description
Technical Field
The utility model relates to an aviation product test technical field especially relates to an experimental calibration system of fuel tank level sensor.
Background
The liquid level sensor is widely applied to the fuel quantity in the fuel oil tank of the airplane, and the accurate calibration of the liquid level sensor is particularly critical to the measurement of the fuel quantity of the airplane. The traditional liquid level sensor calibration method adopts the principle of communicating pipes, each sensor adopts one set of calibration device, oil adding and discharging pipelines are complicated, the reusability is poor, the occupied space is large, and the rapid change of the size requirement of a liquid level sensor product is difficult to deal with.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fuel tank liquid level sensor tests calibration system overcomes or alleviates at least one above-mentioned defect among the prior art at least.
In order to achieve the above object, the utility model provides an experimental calibration system of fuel tank level sensor, the experimental calibration system of fuel tank level sensor includes: the main oil tank comprises a tank body, one surface of the tank body is hollow, and an overflow notch is formed in the side wall of the tank body; the auxiliary oil tank is communicated with the overflow notch of the main oil tank; the oil supply and drainage system is respectively communicated with the main oil tank and the auxiliary oil tank; the auxiliary oil supply system is communicated with the auxiliary oil tank and the main oil tank; the driving system is respectively connected with the main oil tank and the auxiliary oil tank; the oil supply and drainage system is used for supplying fuel oil to the main oil tank or the auxiliary oil tank or draining the fuel oil; when the fuel level in the main fuel tank reaches the overflow notch, the fuel continuously provided from the fuel supply and drainage system flows into the auxiliary fuel tank through the overflow notch; the auxiliary oil supply system is used for transferring the fuel oil in the auxiliary oil tank to the main oil tank when the oil supply and drainage system stops working, so that the main oil tank keeps the fuel oil plane reaching the overflow notch; the driving system is used for fixing and driving the liquid level sensor to be detected, so that the liquid level sensor to be detected extends into the main oil tank from the hollow surface of the tank body and moves in the main oil tank in a telescopic mode.
Preferably, the drive system comprises: the driving support is connected with the main oil tank and the auxiliary oil tank and comprises a supporting plate and a sensor mounting plate, and the sensor mounting plate is opposite to the hollow surface of the tank body; the electric push rods are multiple, and one end of each electric push rod is arranged on the surface of the sensor mounting plate opposite to the hollow surface of the box body;
the other end of the electric push rod is connected with the liquid level sensor through a sensor adapter.
Preferably, the oil supply and drain system includes: the output end of the oil filling pump is respectively connected with the main oil tank and the auxiliary oil tank through pipelines; the input end of the oil discharge pump is respectively connected with the main oil tank and the auxiliary oil tank through pipelines; the oil filling pump comprises a plurality of switching valves, and the output end of the oil filling pump is communicated with the main oil tank, the output end of the oil filling pump is connected with the auxiliary oil tank, the input end of the oil discharge pump is communicated with the main oil tank, and the input end of the oil discharge pump is communicated with the auxiliary oil tank, and the switching valves are respectively arranged on the pipelines for switching on and off the pipelines where the switching valves are located.
Preferably, the auxiliary oil supply system includes: the oil supply pump is arranged in the auxiliary oil tank; and one end of the communication pipeline is connected with the output end of the oil supply pump, and the other end of the communication pipeline is communicated with the main oil tank.
Preferably, the volume of the main tank is larger than the volume of the auxiliary tank.
Preferably, the tank body of the main oil tank is square, the auxiliary oil tank is square, one surface of the side wall of the tank body of the main oil tank abuts against one surface of the side wall of the auxiliary oil tank, and the overflow notch is arranged on the surface of the tank body of the main oil tank.
Preferably, the oil supply and drainage system further comprises an oil tank for providing an oil source for the oil filling pump.
The utility model discloses an experimental calibration system of fuel tank level sensor uses the experimental oil tank of invariable liquid level height as the condition, hangs the dress at the electric putter lower extreme with level sensor to accurate control electric putter's displacement volume, and then change the degree of depth that level sensor steeps the liquid level, through the real-time contrast of electric putter displacement volume and actual level sensor measurement liquid level height, can accomplish the accurate assessment of level sensor measurement accuracy.
Drawings
FIG. 1 is a schematic structural view of a fuel tank liquid level sensor test calibration system according to a first embodiment of the present invention.
Reference numerals:
| 1 | main oil tank | 5 | Electric push rod |
| 11 | Box body | 6 | Sensor adaptor |
| 111 | Overflow notch | 7 | Oil filling pump |
| 2 | Auxiliary oil tank | 8 | Oil discharge pump |
| 3 | Liquid level sensor to be measured | 9 | Switch valve |
| 4 | Driving support | 10 | Fuel feed pump |
| 41 | Supporting plate | ||
| 42 | Sensor mounting plate |
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the invention.
FIG. 1 is a schematic structural view of a fuel tank liquid level sensor test calibration system according to a first embodiment of the present invention.
The fuel tank liquid level sensor test calibration system shown in fig. 1 comprises a main fuel tank 1, an auxiliary fuel tank 2, a fuel supply and drainage system, an auxiliary fuel supply system and a driving system.
Referring to fig. 1, in the present embodiment, the main oil tank 1 includes a tank body 11, one surface of the tank body 11 is hollow, and an overflow notch 111 is provided on a side wall of the tank body 11; the auxiliary oil tank 2 is communicated with an overflow notch 111 of the main oil tank 1; the oil supply and drainage system is respectively communicated with the main oil tank 1 and the auxiliary oil tank 2; the auxiliary oil supply system is communicated with the auxiliary oil tank 2 and the main oil tank 1; the driving system is respectively connected with the main oil tank 1 and the auxiliary oil tank 2; the oil supply and drainage system is used for supplying fuel oil to the main oil tank 1 or the auxiliary oil tank 2 or draining the fuel oil; when the fuel level in the main fuel tank 1 reaches the overflow notch 111, the fuel continuously provided from the fuel supply and drainage system flows into the auxiliary fuel tank 2 through the overflow notch 111; the auxiliary oil supply system is used for transferring the fuel oil in the auxiliary oil tank 2 to the main oil tank 1 when the oil supply and drainage system stops working, so that the main oil tank 1 keeps the fuel oil plane reaching the overflow notch 111; the driving system is used for fixing and driving the liquid level sensor 3 to be detected, so that the liquid level sensor 3 to be detected extends into the main oil tank from the hollow surface of the tank body and moves in the main oil tank in a telescopic mode.
Referring to fig. 1, in the present embodiment, the driving system includes a driving bracket 4 and an electric push rod 5, the driving bracket 4 is connected to a main oil tank 1 and an auxiliary oil tank 2, the driving bracket 4 includes a supporting plate 41 and a sensor mounting plate 42, and the sensor mounting plate 42 is opposite to a hollow surface of a tank body 11; a plurality of electric push rods 5 are provided, and one end of each electric push rod 5 is arranged on the surface of the sensor mounting plate 42 opposite to the hollow surface of the box body 11; the other end of the electric push rod 5 is connected with the liquid level sensor 3 to be measured through the sensor adapter 6.
Referring to fig. 1, in the present embodiment, the oil supply and drainage system includes an oil filling pump 7, an oil drainage pump 8 and a switch valve 9, and an output end of the oil filling pump 7 is respectively connected to the main oil tank 1 and the auxiliary oil tank 2 through a pipeline; the input end of the oil discharge pump 8 is respectively connected with the main oil tank 1 and the auxiliary oil tank 2 through pipelines; the number of the switch valves 9 is multiple, and a pipeline for communicating the output end of the refueling pump with the main oil tank, a pipeline for connecting the output end of the refueling pump with the auxiliary oil tank, a pipeline for communicating the input end of the oil discharge pump with the main oil tank, and a pipeline for communicating the input end of the oil discharge pump with the auxiliary oil tank are respectively provided with a switch valve for switching on and off the pipeline where the switch valve is located.
Referring to fig. 1, in the present embodiment, the auxiliary oil supply system includes an oil supply pump 10 and a communication pipeline, and the oil supply pump 10 is disposed in an auxiliary oil tank 2; one end of the communication pipeline is connected with the output end of the oil supply pump 10, and the other end of the communication pipeline is communicated with the main oil tank 1.
Advantageously, in this embodiment, the volume of the main tank 1 is greater than the volume of the auxiliary tank 2.
In the present embodiment, the main tank 1 has a rectangular shape, the auxiliary tank 2 has a rectangular shape, one surface of the side wall of the main tank abuts against one surface of the side wall of the auxiliary tank, and the overflow notch 111 is provided in the surface of the main tank.
In an alternative embodiment, the fuel supply and drain system further comprises a fuel tank for providing a source of fuel for the fuel filler pump 7.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a experimental calibration system of fuel tank liquid level sensor which characterized in that, experimental calibration system of fuel tank liquid level sensor includes:
the oil tank comprises a main oil tank (1), wherein the main oil tank (1) comprises a tank body (11), one surface of the tank body (11) is hollow, and an overflow notch (111) is formed in the side wall of the tank body (11);
the auxiliary oil tank (2), the auxiliary oil tank (2) is communicated with the overflow notch (111) of the main oil tank (1);
the oil supply and drainage system is respectively communicated with the main oil tank (1) and the auxiliary oil tank (2);
the auxiliary oil supply system is communicated with the auxiliary oil tank (2) and the main oil tank (1);
the driving system is respectively connected with the main oil tank (1) and the auxiliary oil tank (2); wherein,
the oil supply and drainage system is used for supplying fuel oil to the main oil tank (1) or the auxiliary oil tank (2) or draining the fuel oil; when the fuel level in the main fuel tank (1) reaches the overflow notch (111), the fuel continuously supplied from the fuel supply and drainage system flows into the auxiliary fuel tank (2) through the overflow notch (111); the auxiliary oil supply system is used for transferring the fuel oil in the auxiliary oil tank (2) to the main oil tank (1) when the oil supply and drainage system stops working, so that the main oil tank (1) keeps the fuel oil level to reach the overflow notch (111); the driving system is used for fixing and driving the liquid level sensor (3) to be detected, so that the liquid level sensor (3) to be detected extends into the main oil tank from the hollow surface of the tank body and moves in a telescopic mode inside the main oil tank.
2. The fuel tank level sensor test calibration system of claim 1, wherein the drive system comprises:
the driving support (4), the driving support (4) is connected with the main oil tank (1) and the auxiliary oil tank (2), the driving support (4) comprises a supporting plate (41) and a sensor mounting plate (42), and the sensor mounting plate (42) is opposite to the hollow surface of the tank body (11);
the electric push rods (5) are multiple, one end of each electric push rod (5) is arranged on the surface of the sensor mounting plate (42) opposite to the hollow surface of the box body (11);
the other end of the electric push rod (5) is connected with the liquid level sensor (3) to be detected through a sensor adapter (6).
3. A fuel tank level sensor test calibration system as set forth in claim 2 wherein said fuel supply and drain system includes:
the output end of the oil filling pump (7) is respectively connected with the main oil tank (1) and the auxiliary oil tank (2) through pipelines;
the input end of the oil discharge pump (8) is respectively connected with the main oil tank (1) and the auxiliary oil tank (2) through pipelines;
the oil pump is characterized by comprising a plurality of switch valves (9), wherein the output end of the oil pump is connected with the main oil tank through a pipeline, the output end of the oil pump is connected with the auxiliary oil tank through a pipeline, the input end of the oil discharge pump is connected with the main oil tank through a pipeline, and the input end of the oil discharge pump is connected with the auxiliary oil tank through a pipeline, and each switch valve is used for switching on and off the pipeline where the switch valve is located.
4. The fuel tank level sensor test calibration system according to claim 2, wherein the auxiliary oil supply system comprises:
an oil supply pump (10), the oil supply pump (10) being disposed within the auxiliary oil tank (2);
and one end of the communication pipeline is connected with the output end of the oil supply pump (10), and the other end of the communication pipeline is communicated with the main oil tank (1).
5. Fuel tank level sensor test calibration system according to claim 4, characterized in that the volume of the main tank (1) is larger than the volume of the auxiliary tank (2).
6. The fuel tank liquid level sensor test calibration system according to claim 5, characterized in that the tank body of the main fuel tank (1) is square-shaped, the auxiliary fuel tank (2) is square-shaped, one face of the side wall of the tank body of the main fuel tank abuts against one face of the side wall of the auxiliary fuel tank, and the overflow notch (111) is arranged on the face of the tank body of the main fuel tank.
7. A fuel tank level sensor test calibration system as claimed in claim 3, characterized in that the fuel supply and drain system further comprises a fuel tank for providing a source of fuel for the filler pump (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039419.4U CN205209605U (en) | 2015-12-12 | 2015-12-12 | Experimental calibration system of fuel tank level sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521039419.4U CN205209605U (en) | 2015-12-12 | 2015-12-12 | Experimental calibration system of fuel tank level sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205209605U true CN205209605U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521039419.4U Expired - Lifetime CN205209605U (en) | 2015-12-12 | 2015-12-12 | Experimental calibration system of fuel tank level sensor |
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| Country | Link |
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| CN (1) | CN205209605U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489776A (en) * | 2018-11-15 | 2019-03-19 | 中广核工程有限公司 | A kind of nuclear power station PTR pond liquid level meter verification experimental rig and its test method |
| CN111289063A (en) * | 2020-02-21 | 2020-06-16 | 杭州市质量技术监督检测院 | A leakage-free high-precision tubular gauge calibration device and using method |
| CN113932892A (en) * | 2021-11-10 | 2022-01-14 | 四川泛华航空仪表电器有限公司 | Calibration test equipment and application thereof |
| CN118817046A (en) * | 2024-09-19 | 2024-10-22 | 新乡豫航航空器材科技工业有限公司 | A liquid level meter detection and calibration test bench and detection and calibration method |
-
2015
- 2015-12-12 CN CN201521039419.4U patent/CN205209605U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489776A (en) * | 2018-11-15 | 2019-03-19 | 中广核工程有限公司 | A kind of nuclear power station PTR pond liquid level meter verification experimental rig and its test method |
| CN109489776B (en) * | 2018-11-15 | 2021-06-25 | 中广核工程有限公司 | A nuclear power plant PTR pool level gauge calibration test device and its test method |
| CN111289063A (en) * | 2020-02-21 | 2020-06-16 | 杭州市质量技术监督检测院 | A leakage-free high-precision tubular gauge calibration device and using method |
| CN113932892A (en) * | 2021-11-10 | 2022-01-14 | 四川泛华航空仪表电器有限公司 | Calibration test equipment and application thereof |
| CN118817046A (en) * | 2024-09-19 | 2024-10-22 | 新乡豫航航空器材科技工业有限公司 | A liquid level meter detection and calibration test bench and detection and calibration method |
| CN118817046B (en) * | 2024-09-19 | 2024-11-19 | 新乡豫航航空器材科技工业有限公司 | Liquid level meter detection calibration test bed and detection calibration method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20160504 |