Railway wheel sensor sensitivity testing device

Abstract

The utility model relates to the technical field of sensors, and discloses a railway wheel sensor sensitivity testing device, which comprises a mounting seat, supporting legs are arranged at the lower end of the mounting seat, a first testing box, a second testing box and a third testing box are arranged on the mounting seat, and through holes are formed in the same positions of the testing boxes. According to the technical scheme, by arranging different test boxes, whether the sensor can work normally or not in different environments can be conveniently tested, by arranging the mounting plate, the sensor can be conveniently mounted, all the structures are matched with one another, time is saved, and the test efficiency is improved. The efficiency is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a railway wheel sensor sensitivity testing device. Background Art

[0002] Wheel sensors are an important part of railway online monitoring equipment, such as infrared axle temperature detectors, level crossing warning equipment, vehicle number recognition systems, etc., all require wheel sensors as train identification and positioning sensors. Among them, infrared photoelectric and ultrasonic sensors are expensive, and their working environment is not suitable for installation near rails; magnetic steel sensors have been widely used due to their simple internal structure, low cost, and wide environmental range, but their signals are closely related to the speed of the passing object, namely the wheel.

[0003] The use environment of the above-mentioned prior art sensors is not fixed, and it is necessary to test whether the sensors can still work normally in different environments. Therefore, the utility model proposes a railway wheel sensor sensitivity test device. Utility Model Content

[0004] The utility model aims to provide a railway wheel sensor sensitivity testing device, which solves the problems raised in the background technology.

[0005] The embodiment of the present application provides a railway wheel sensor sensitivity test device, including a mounting seat, characterized in that: a support foot is provided at the lower end of the mounting seat, a first test box, a second test box and a third test box are provided on the mounting seat, a through hole is opened at the same position of each test box, a data line is provided on the through hole, a water tank is fixedly installed on the first test box, a water pump is provided next to the water tank, a fixing rod is provided on the side wall inside the first test box, a water spray head is fixedly installed on the fixing rod, a water pipe is provided on the water spray head, the other end of the water pipe passes through the inner wall of the first test box and is provided on the water pump, an inclined plate is fixedly installed on the bottom plate of the first test box, a heating box is provided on the bottom plate of the second test box, a mounting rod is provided on the inner side wall of the heating box, a motor is fixedly installed on the mounting rod, a first fan is fixedly installed on the output end of the motor through the mounting rod, a heating wire is fixedly installed on the side wall of the heating box above the first fan, a cooling box is provided on the top plate of the third test box, a partition is provided inside the cooling box, a refrigerator is provided above the partition, and a second fan is fixedly installed at the lower end of the partition.

[0006] In this technical solution, the wheel is placed on the track, and then the sensor is placed in the mounting plate, and then the wheel is started, the wheel moves on the track, enters the first test box, and turns on the water pump to transport the water in the water tank to the water pipe through the water pump, and then enters the sprinkler head through the water pipe, and then performs a water spraying operation through the sprinkler head to simulate a rainy environment, and test whether the sensor can work normally in a humid state, and then enters the second test box, turns on the motor, and the motor drives the first fan to rotate, thereby sucking external air into the heating box, and then the air is heated through the heating wire, and then discharged into the second test box to simulate a hot and dry environment, and test whether the sensor can work normally in this state, and then enters the third test box, turns on the second fan, and discharges the cold air in the cooling box into the third test box through the rotation of the second fan to simulate a cold environment, and test whether the sensor can work normally in a cold environment.

[0007] Optionally, a track is provided inside the mounting seat, a mounting plate is fixedly mounted on the side wall of the mounting seat, and a sensor is placed inside the mounting plate.

[0008] By adopting the above technical solution, it is convenient to install the sensor beside the track for testing.

[0009] Optionally, ventilation holes are provided on the top plate and the bottom plate of the second test box, and ventilation holes are also provided on the top plate and the bottom plate of the heating box, and the positions of the ventilation holes on the bottom plate of the heating box correspond to those of the ventilation holes on the bottom plate of the second test box.

[0010] By adopting the above technical solution, it is convenient to inhale external gas through the vent holes on the bottom plate of the heating box and the vent holes on the bottom plate of the second test box, and then discharge the gas into the second test box through the vent holes on the top plate of the heating box.

[0011] Optionally, a through hole is provided on the partition.

[0012] By adopting the above technical solution, the cold air of the refrigerator can easily sink downward through the through holes on the partition plate and then enter the interior of the third test box.

[0013] Optionally, one end of the data line is connected to the sensor, and the other end is connected to a data analysis machine.

[0014] By adopting the above technical solution, it is convenient to transmit the data obtained by the sensor to the data analysis machine to analyze whether there is any problem with the data.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The technical solution of the present application sets up different test boxes to facilitate testing whether the sensor can work normally in different environments. By setting up a mounting plate, it is convenient to install the sensor. The various structures cooperate with each other, saving time and being more efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0018] Figure 1 This is a front view of a railway wheel sensor sensitivity testing device of the utility model;

[0019] Figure 2 This is a schematic diagram of the internal structure of each test box in a railway wheel sensor sensitivity test device of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of a heating box and a cooling box in a railway wheel sensor sensitivity test device of the utility model;

[0021] Figure 4 The utility model is a side view of a mounting seat in a railway wheel sensor sensitivity testing device.

[0022] In the figure: 1. mounting base; 2. support leg; 3. data cable; 4. first test box; 5. water tank; 6. second test box; 7. third test box; 8. water pump; 9. sprinkler head; 10. inclined plate; 11. heating box; 12. cooling box; 13. heating wire; 14. first fan; 15. motor; 16. refrigerator; 17. partition; 18. second fan; 19. track; 20. sensor; 21. mounting plate. DETAILED DESCRIPTION

[0023] See also Figure 1-4The utility model provides a technical solution: comprising a mounting base 1, characterized in that: a support leg 2 is arranged at the lower end of the mounting base 1, a first test box 4, a second test box 6 and a third test box 7 are arranged on the mounting base 1, a through hole is opened at the same position of each test box, a data line 3 is arranged on the through hole, a water tank 5 is fixedly installed on the first test box 4, a water pump 8 is arranged next to the water tank 5, a fixing rod is arranged on the side wall inside the first test box 4, a water spray head 9 is fixedly installed on the fixing rod, a water pipe is arranged on the water spray head 9, and the other end of the water pipe passes through the inner wall of the first test box 4 and is arranged on the water pump 8, An inclined plate 10 is fixedly installed on the bottom plate of the first test box 4, a heating box 11 is arranged on the bottom plate of the second test box 6, a mounting rod is arranged on the inner side wall of the heating box 11, a motor 15 is fixedly installed on the mounting rod, a first fan 14 is fixedly installed on the output end of the motor 15 through the mounting rod, a heating wire 13 is fixedly installed on the side wall of the heating box 11 above the first fan 14, a cooling box 12 is arranged on the top plate of the third test box 7, a partition 17 is arranged inside the cooling box 12, a refrigerator 16 is arranged above the partition 17, and a second fan 18 is fixedly installed on the lower end of the partition 17.

[0024] In the technical solution of the utility model, if Figure 4 As shown, a track 19 is provided inside the mounting base 1, a mounting plate 21 is fixedly mounted on the side wall of the mounting base 1, and a sensor 20 is placed inside the mounting plate 21, so that the sensor 20 can be installed next to the track 19 for testing.

[0025] In the technical solution of the utility model, if Figure 2 and Figure 3 As shown, ventilation holes are provided on the top plate and the bottom plate of the second test box 6, and ventilation holes are also provided on the top plate and the bottom plate of the heating box 11. The positions of the ventilation holes on the bottom plate of the heating box 11 and the ventilation holes on the bottom plate of the second test box 6 correspond to each other, so that external gas can be sucked in through the ventilation holes on the bottom plate of the heating box 11 and the ventilation holes on the bottom plate of the second test box 6, and then the gas can be discharged into the second test box 6 through the ventilation holes on the top plate of the heating box 11.

[0026] In the technical solution of the utility model, if Figure 2 and Figure 3 As shown, the partition 17 is provided with through holes, so that the cold air of the refrigerator 16 can flow downward through the through holes on the partition 17 and then enter the interior of the third test box 7 .

[0027] In the technical solution of the utility model, if Figure 1 and Figure 4As shown, one end of the data line 3 is connected to the sensor 20, and the other end is connected to the data analysis machine, so as to facilitate the transmission of the data obtained by the sensor 20 into the data analysis machine to analyze whether there is any problem with the data.

[0028] In this technical solution, the wheel is placed on the track 19, and then the sensor 20 is placed in the mounting plate 21, and then the wheel is started, the wheel moves on the track 19, enters the first test box 4, and the water pump 8 is turned on. The water in the water tank 5 is transported to the water pipe through the water pump 8, and then enters the sprinkler head 9 through the water pipe, and then the sprinkler head 9 performs a water spraying operation to simulate a rainy environment, and test whether the sensor 20 can work normally in a humid state. Then enter the second test box 6, turn on the motor 15, and the motor 15 drives the first fan 14 to rotate, so as to suck the external air into the heating box 11, and then heat the air through the heating wire 13, and then discharge it into the second test box 6 to simulate a hot and dry environment, and test whether the sensor 20 can work normally in this state. Then enter the third test box 7, turn on the second fan 18, and discharge the cold air in the cooling box 12 into the third test box 7 through the rotation of the second fan 18 to simulate a cold environment, and test whether the sensor 20 can work normally in a cold environment.

Claims

1. A railway wheel sensor sensitivity testing device, comprising a mounting seat (1), characterized in that: A support foot (2) is provided at the lower end of the mounting base (1); a first test box (4), a second test box (6) and a third test box (7) are provided on the mounting base (1); a through hole is provided at the same position of each test box; a data line (3) is provided on the through hole; a water tank (5) is fixedly installed on the first test box (4); a water pump (8) is provided next to the water tank (5); a fixing rod is provided on the side wall inside the first test box (4); a water spray head (9) is fixedly installed on the fixing rod; a water pipe is provided on the water spray head (9); the other end of the water pipe passes through the inner wall of the first test box (4) and is provided on the water pump (8); the first test box (4) is fixedly installed on the bottom plate A sloping plate (10) is provided on the bottom plate of the second test box (6); a heating box (11) is provided on the inner side wall of the heating box (11); a mounting rod is provided on the inner side wall of the heating box (11); a motor (15) is fixedly installed on the mounting rod; a first fan (14) is fixedly installed on the output end of the motor (15) through the mounting rod; a heating wire (13) is fixedly installed on the side wall of the heating box (11) above the first fan (14); a cooling box (12) is provided on the top plate of the third test box (7); a partition (17) is provided inside the cooling box (12); a refrigerator (16) is provided above the partition (17); and a second fan (18) is fixedly installed at the lower end of the partition (17).

2. A railway wheel sensor sensitivity testing device according to claim 1, characterized in that: A track (19) is provided inside the mounting seat (1), a mounting plate (21) is fixedly mounted on a side wall of the mounting seat (1), and a sensor (20) is placed inside the mounting plate (21).

3. A railway wheel sensor sensitivity testing device according to claim 1, characterized in that: Ventilation holes are provided on the top plate and the bottom plate of the second test box (6), and ventilating holes are also provided on the top plate and the bottom plate of the heating box (11), and the ventilating holes on the bottom plate of the heating box (11) correspond in position to the ventilating holes on the bottom plate of the second test box (6).

4. A railway wheel sensor sensitivity testing device according to claim 1, characterized in that: One end of the data line (3) is connected to the sensor (20), and the other end is connected to the data analysis machine.

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