CN211148695U - Long-distance deflection detection device for angle of attack sensor - Google Patents
Long-distance deflection detection device for angle of attack sensor Download PDFInfo
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- CN211148695U CN211148695U CN201922176277.0U CN201922176277U CN211148695U CN 211148695 U CN211148695 U CN 211148695U CN 201922176277 U CN201922176277 U CN 201922176277U CN 211148695 U CN211148695 U CN 211148695U
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Abstract
The utility model belongs to the technical field of sensor performance detection, and relates to a long-distance deflection detection device of an attack angle sensor, which comprises a balance weight, a mounting seat, a control circuit and a timer; a deflection time for test sensor weathercock when long distance deflection capability test, the utility model discloses the configuration is simple, and detection method is easy and simple to handle, detects the precision height, can detect the long distance deflection operating time of angle of attack sensor weathercock under certain load counter weight moment effectively, guarantees that the performance inspection of angle of attack sensor before last machine is reliable.
Description
Technical Field
The utility model belongs to the technical field of the sensor performance detects, a angle of attack sensor long distance deflection detection device is related to.
Background
The angle of attack sensor is a device for measuring the angle of attack of the airplane, and the size of the angle of attack is closely related to the lift force and the resistance of the airplane. The angle of attack signal can be directly indicated for the driver to observe. In the atmosphere data computer, the output of the attack angle sensor is compensated and calculated to become the real attack angle for error correction of the static pressure source, and the signal can be output to the instrument display and stall warning system. The performance of the attack angle sensor is inconvenient to check after the attack angle sensor is installed on a machine, so the long-distance deflection performance check of the attack angle sensor needs to be completed before the installation. In order to effectively test the remote deflection performance of the sensor, the remote deflection time of the wind vane needs to be detected.
Disclosure of Invention
The utility model aims at: the remote deflection detection device for the angle of attack sensor is provided, the deflection time of the wind vane of the angle of attack sensor under a certain counterweight load moment is effectively detected, and the reliable performance of the angle of attack sensor before the airplane is ensured.
The technical scheme of the utility model is that: a remote deflection detection device of an attack angle sensor is characterized by comprising a counterweight, a mounting seat, a control circuit and a timer; the counterweight is clamped on a vane of the measured attack angle sensor, the measured attack angle sensor is arranged on a turntable of the mounting seat, and the measured attack angle sensor is connected to a product connecting port of the control circuit through a special cable; and the output port of the control circuit is connected with the timer.
The control circuit comprises a motor direction selection switch and a clutch switch which are respectively used for controlling the rotation direction of the motor inside the tested attack angle sensor and the connection of the power supply of the clutch inside the tested attack angle sensor.
The mounting seat also comprises a base and a proximity switch mounting rack; the rotary disc and the proximity switch mounting rack are mounted on the base.
The turntable can drive the measured attack angle sensor to rotate 180 degrees.
And the proximity switch of the control circuit is arranged on the proximity switch tube mounting frame of the mounting seat.
The counterweight is U-shaped, and the weight is 26.5 g.
The utility model discloses an advantage and beneficial effect who have are: the device is simple and convenient to operate, simple in detection configuration, capable of effectively detecting the long-distance deflection time of the wind vane of the attack angle sensor under a certain counterweight load moment, high in detection precision and capable of ensuring the reliable performance of the attack angle sensor before the windvane is mounted. And the device can detect the deflection time of different deflection angles of a series of sensor products.
Drawings
FIG. 1 is a block diagram of the detecting device of the present invention;
FIG. 2 is a schematic view of the counterweight structure of the present invention
FIG. 3 is a schematic view of the structure of the mounting seat of the present invention
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1-3, a remote deflection detection device for an angle of attack sensor is characterized in that the detection device comprises a counterweight, a mounting seat, a control circuit and a timer, and can test clockwise deflection operation time and counterclockwise deflection operation time of a vane of the angle of attack sensor at different deflection angles.
The mounting seat is composed of a turntable 2, a base 3 and a proximity switch mounting frame 1; the turntable 2 is provided with a positioning hole matched with the mounting position of the attack angle sensor; the turntable 2 can rotate 180 degrees on the base 3; the wiring switch mounting frame 1 can slide along the scribed line on the base 3 for a certain angle and is used for presetting the deflection angle of the vane of the attack angle sensor.
The working process is as follows:
firstly, fixing a balance weight on a vane of a measured attack angle sensor, mounting the measured attack angle sensor on a mounting seat, adjusting a turntable of the mounting seat to enable a scribed line of the turntable to be aligned with a scribed line on the left side of the mounting seat, and enabling the center of the measured attack angle sensor to be on a horizontal mechanical zero position;
secondly, adjusting the proximity switch mounting rack 1 to a corresponding deflection angle;
thirdly, the measured attack angle sensor is connected to a product connecting port of the control circuit through a special cable;
fourthly, switching on a power supply, resetting the numerical value of the timer, turning on a switch on a control circuit, starting the rotation of the vane of the measured attack angle sensor, starting timing by the timer, and stopping timing by the timer when the vane of the measured attack angle sensor rotates to approach the switch; at the moment, the time displayed by the timer is the clockwise long-distance deflection time of the measured attack angle sensor;
fifthly, rotating the turntable 2 to rotate the tested angle of attack sensor by 180 degrees; the counterclockwise long-distance deflection time is tested from the repetition of the second step to the fourth step of the motion.
The timer model is X L2003S type, and the proximity switch is GNBER RM8-2C type.
The utility model discloses a detection method convenient operation, realize automatic test completely.
Claims (6)
1. A remote deflection detection device of an attack angle sensor is characterized by comprising a counterweight, a mounting seat, a control circuit and a timer; the counterweight is clamped on a vane of the measured attack angle sensor, the measured attack angle sensor is arranged on a turntable of the mounting seat, and the measured attack angle sensor is connected to a product connecting port of the control circuit through a special cable; and the output port of the control circuit is connected with the timer.
2. The detection device according to claim 1, wherein: the control circuit comprises a motor direction selection switch and a clutch switch which are respectively used for controlling the rotation direction of the motor inside the tested attack angle sensor and the connection of the power supply of the clutch inside the tested attack angle sensor.
3. The detection device according to claim 1, wherein: the mounting seat also comprises a base and a proximity switch mounting rack; the rotary disc and the proximity switch mounting rack are mounted on the base.
4. The detection device according to claim 1, wherein: the turntable can drive the measured attack angle sensor to rotate 180 degrees.
5. The detection device according to claim 3, wherein: and the proximity switch of the control circuit is arranged on the proximity switch tube mounting frame of the mounting seat.
6. The detection device according to claim 3, wherein: the counterweight is U-shaped, and the weight is 26.5 g.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176277.0U CN211148695U (en) | 2019-12-06 | 2019-12-06 | Long-distance deflection detection device for angle of attack sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922176277.0U CN211148695U (en) | 2019-12-06 | 2019-12-06 | Long-distance deflection detection device for angle of attack sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211148695U true CN211148695U (en) | 2020-07-31 |
Family
ID=71746430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922176277.0U Active CN211148695U (en) | 2019-12-06 | 2019-12-06 | Long-distance deflection detection device for angle of attack sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211148695U (en) |
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2019
- 2019-12-06 CN CN201922176277.0U patent/CN211148695U/en active Active
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