Debugging device for lubricating oil temperature automatic adjusting system of Y9 series airplane

Abstract

The utility model belongs to the technical field of aeronautical manufacturing, and relates to a debugging device for an automatic lubricating oil temperature adjusting system of a Y9-series airplane. A circuit is composed of a connecting plug (1), an adjustable resistor (2), a switch (3), a negative wire terminal (4), a fuse (5) and a connecting wire. A hole 1 of the connecting plug (1) is connected with one end of the switch (3) through a lead; the other end of the switch (3) is sequentially connected with the fuse (5) and the adjustable resistor (2) through wires; the other end of the adjustable resistor (2) is connected with a hole 2 of the connecting plug (1) through a lead; the negative wire terminal (4) is connected with four holes of the connecting plug (1) through a lead; the device solves the problem that the environment temperature needs to be continuously changed during checking and debugging of the lubricating oil temperature automatic regulating system, and the device can check and debug the lubricating oil temperature automatic regulating system at any time without changing the environment temperature; the device is simple in structure, convenient to operate, low in experiment site limitation requirement and low in cost.

Description

Technical Field

[0001] The utility model belongs to the technical field of aviation manufacturing and relates to a debugging device for an automatic lubricating oil temperature regulating system of a Y9 series aircraft. Background Art

[0002] The Y9 series aircraft oil temperature control box relies on the oil temperature sensor to sense the oil temperature, which is amplified by the control box and then output to control the reversible electric mechanism to adjust the damper of the oil radiator, thereby ensuring that the oil temperature is within the specified range. After the aircraft AC power supply line is installed, the Y9 series needs to power on and debug the oil temperature automatic control system, and check whether the valve can automatically adjust the valve opening as the external ambient temperature changes. However, the aircraft is large in size, and changing the ambient temperature is difficult, costly, and time-consuming. Utility Model Content

[0003] The utility model (utility model) provides a device for simulating the automatic oil temperature adjustment system debugging of the Y9 series aircraft. The device can simulate the operation of the temperature sensor of the Y9 series aircraft, provide various temperature signals to the aircraft, and is used to check and debug the adjustment function of the automatic oil temperature adjustment system under different temperature conditions. The automatic oil temperature adjustment system can be checked and debugged at any time without changing the ambient temperature, and the device is small in size, low in cost, easy to carry, simple in structure, and convenient to use.

[0004] Technical Solution

[0005] The utility model is realized by the following technical solutions:

[0006] A Y9 series aircraft lubricating oil temperature automatic regulating system debugging device comprises a connecting plug 1, an adjustable resistor 2, a switch 3, a negative line terminal 4, and a fuse 5.

[0007] The 1st hole of the connecting plug 1 is connected to one end of the switch 3 through a wire; the other end of the switch 3 is connected to the fuse 5 and the adjustable resistor 2 in sequence through a wire; the other end of the adjustable resistor 2 is connected to the 2nd hole of the connecting plug 1 through a wire; the negative line terminal 4 is connected to the 4th hole of the connecting plug 1 through a wire; the model of the connecting plug 1 is KH20K4TR;

[0008] Furthermore, the switch 3 model is MJK-2;

[0009] Furthermore, the diameter of the negative line terminal 4 is Φ4 mm, so as to facilitate matching and overlapping with the fixed point on the aircraft body;

[0010] Furthermore, the fuse 55A is slightly larger than the working current and plays an overcurrent protection role;

[0011] Furthermore, the adjustable resistor 2 has an adjustment range of 1205.5Ω-1320.4Ω, which is used to simulate the output state of the aircraft temperature sensor;

[0012] Furthermore, the adjustable resistor 2 needs to be adjustable in 0.1Ω steps, which can more accurately simulate the output of the aircraft temperature sensor, making the adjustment accuracy of the device higher.

[0013] Technical Effects

[0014] The beneficial effects and advantages of the utility model are: 1. The device solves the problem that the inspection and debugging of the lubricating oil temperature automatic adjustment system requires constant change of the ambient temperature. The device can inspect and debug the lubricating oil temperature automatic adjustment system at any time without changing the ambient temperature; 2. The device has a simple structure, is easy to operate, has few restrictions on the experimental site and is low in cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is the circuit diagram of the device;

[0016] Among them: connection plug 1, adjustable resistor 2, switch 3, negative line terminal 4, fuse 5 DETAILED DESCRIPTION

[0017] The present invention or utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments:

[0018] Example 1

[0019] The schematic diagram of the utility model patent is as attached Figure 1 The circuit consists of: a connecting plug 1, an adjustable resistor 2, a switch 3, a negative line terminal 4, a fuse 5 and a connecting wire.

[0020] The 1st hole of the connecting plug 1 is connected to one end of the switch 3 through a wire; the other end of the switch 3 is connected to the fuse 5 and the adjustable resistor 2 in sequence through a wire; the other end of the adjustable resistor 2 is connected to the 2nd hole of the connecting plug 1 through a wire; the negative line terminal 4 is connected to the 4th hole of the connecting plug 1 through a wire; the model of the connecting plug 1 is KH20K4TR; the model of the switch 3 is MJK-2;

[0021] The diameter of the negative line terminal 4 is Φ4mm, so as to facilitate the matching and overlapping with the fixed point on the aircraft body;

[0022] The fuse 55A is slightly larger than the working current and plays an overcurrent protection role; the adjustable resistor 2 has an adjustment range of 1205.5Ω-1320.4Ω and is used to simulate the output state of the aircraft temperature sensor; the adjustable resistor 2 needs to be able to be adjusted in 0.1Ω steps, which can more accurately simulate the output of the aircraft temperature sensor, making the adjustment accuracy of the device higher.

[0023] Connect the connection plug 1 to the aircraft temperature sensor plug; connect the negative line terminal 4 to the aircraft body well to provide a negative path for the device; adjust the adjustable resistor 2 to 1274.5Ω, and close the switch 3. At this time, the device can replace the temperature sensor to provide an analog temperature signal to the oil temperature control box, gradually adjust and increase the resistance of the adjustable resistor 2, the aircraft oil damper slowly moves to the opening direction by a certain angle, continue to increase the resistance of the adjustable resistor 2, the oil damper continues to move to the opening direction, and the resistance of the adjustable resistor 2 is not greater than 1320.4Ω when the oil damper is opened to the maximum. Gradually adjust and reduce the resistance of the adjustable resistor 2, the aircraft oil damper slowly moves to the closing direction by a certain angle, continue to reduce the resistance of the adjustable resistor 2, the oil damper continues to move to the closing direction, and the resistance of the adjustable resistor 2 is not less than 1205.5Ω when the oil damper is completely closed.

[0024] The circuit of this device works as follows:

[0025] The temperature sensor in the oil temperature regulator is a temperature-sensitive resistor with a positive temperature coefficient. Its skeleton is a mica sheet with nickel enameled wire wrapped around it and installed in a copper sensor housing. At 71±0.5℃, the resistance is 1255±10Ω. Its resistance increases with the increase of temperature, and different resistance values ​​are output to the aircraft to represent the change of ambient temperature. The aircraft determines the throttle angle to be opened at the current temperature based on different resistance signals. This device uses pure circuit components instead of temperature sensors to transmit resistance signals to the aircraft.

[0026] Connect the connection plug 1 to the aircraft temperature sensor plug; connect the negative line terminal 4 to the aircraft body well to provide a negative path for the device; adjust the adjustable resistor 2 to 1274.5Ω, and close the switch 3. At this time, the device can replace the temperature sensor to provide an analog temperature signal to the oil temperature control box, gradually adjust and increase the resistance of the adjustable resistor 2, the aircraft oil damper slowly moves to the opening direction by a certain angle, continue to increase the resistance of the adjustable resistor 2, the oil damper continues to move to the opening direction, and the resistance of the adjustable resistor 2 is not greater than 1320.4Ω when the oil damper is opened to the maximum. Gradually adjust and reduce the resistance of the adjustable resistor 2, the aircraft oil damper slowly moves to the closing direction by a certain angle, continue to reduce the resistance of the adjustable resistor 2, the oil damper continues to move to the closing direction, and the resistance of the adjustable resistor 2 is not less than 1205.5Ω when the oil damper is completely closed.

[0027] The fuse 5 plays an overcurrent protection role in the circuit.

Claims

1. A Y9 series aircraft oil temperature automatic adjustment system debugging device, characterized in that: It comprises a connecting plug (1), an adjustable resistor (2), a switch (3), a negative line terminal (4), and a fuse (5); Hole 1 of the connection plug (1) is connected to one end of the switch (3) through a wire; the other end of the switch (3) is connected to the fuse (5) and the adjustable resistor (2) in sequence through a wire; the other end of the adjustable resistor (2) is connected to hole 2 of the connection plug (1) through a wire; the negative line terminal (4) is connected to hole 4 of the connection plug (1) through a wire; the model of the connection plug (1) is KH20K4TR.

2. A Y9 series aircraft lubricating oil temperature automatic adjustment system debugging device according to claim 1, characterized in that: The switch (3) is of model MJK-2.

3. A Y9 series aircraft lubricating oil temperature automatic adjustment system debugging device according to claim 1, characterized in that: The diameter of the negative line terminal (4) is Φ4 mm.

4. A Y9 series aircraft lubricating oil temperature automatic adjustment system debugging device according to claim 1, characterized in that: The fuse (5) 5A.

5. A Y9 series aircraft lubricating oil temperature automatic regulating system debugging device according to claim 1, characterized in that: The adjustable resistor (2) has an adjustment range of 1205.5Ω-1320.4Ω.

6. A Y9 series aircraft lubricating oil temperature automatic regulating system debugging device according to claim 1, characterized in that: The adjustable resistor (2) needs to be adjustable in 0.1Ω steps.

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