Well lid avoiding system of airport snow sweeper

Abstract

The invention relates to a well lid avoiding system for an airport snow sweeper. The well lid avoiding system is structurally characterized in that a PLC module is in signal connection with a GPS module and a snow removal port engine; the GPS module is used for acquiring real-time positioning information of the snow sweeper and positioning information of the well lid and transmitting the information to the PLC module; the PLC module comprises a well lid positioning information storage unit, a snow sweeper and well lid distance calculation unit and an engine rotating speed control unit, and the engine rotating speed control unit is used for generating an engine rotating speed control signal according to a calculation result of the snow sweeper and well lid distance calculation unit and transmitting the engine rotating speed control signal to a snow removal port engine; the snow removing opening engine is used for adjusting the opening degree of an accelerator and further adjusting the engine rotating speed. The device has the advantages that the rotating speed of the engine at the snow removal opening can be adjusted according to the distance between the snow sweeper and the well lid, then the wind speed is adjusted, the well lid is prevented from being blown away due to too high wind speed when the device approaches the well lid, the working intensity can be effectively reduced, the judgment accuracy is guaranteed, the working stability is improved, the safety risk is reduced, and the snow removal effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to an airport snow removal vehicle to prevent the blow away of the well lid when approaching the well lid. BACKGROUND

[0002] The airport snow removal vehicle is used to blow the snow on the runway by the snow removal port driven by the engine to ensure the normal take-off and landing of the airplane in the snowfall day, and the manhole is provided on the runway to communicate with the underground pipeline, if the engine keeps high speed running and the snow removal port keeps large output wind speed when passing, the well lid will be blown away, which exists the safety hazard.

[0003] In the prior art, the engine speed needs to be manually adjusted when approaching the well lid, that is, frequent manual adjustment is needed, the working strength is large, and there is a risk of position judgment error, the stability is insufficient, and the working needs cannot be effectively met. SUMMARY

[0004] The present application provides an airport snow removal vehicle well lid avoidance system, which aims to overcome the above-mentioned deficiencies in the prior art, and to adjust the wind speed of the snow removal port according to the distance from the well lid to avoid blowing away the well lid.

[0005] The technical solution of the present application is that the airport snow removal vehicle well lid avoidance system comprises a GPS module, a PLC module and a snow removal port engine, and the PLC module is signal connected with the GPS module and the snow removal port engine respectively; The GPS module is used to obtain the real-time positioning information of the snow removal vehicle and transmit it to the PLC module, and is also used to obtain the well lid positioning information and transmit it to the PLC module; The PLC module comprises a well lid positioning information storage unit, a snow removal vehicle and well lid distance calculation unit and an engine speed control unit, The well lid positioning information storage unit is used to receive and store the well lid positioning information transmitted by the GPS module, The snow removal vehicle and well lid distance calculation unit is used to output the calculation result to the engine speed control unit according to the well lid positioning information read from the well lid positioning information storage unit and the real-time positioning information of the snow removal vehicle received from the GPS module, The engine speed control unit is used to generate the engine speed control signal according to the result calculated by the snow removal vehicle and well lid distance calculation unit and transmit it to the snow removal port engine; The snow removal port engine is used to receive the engine speed control signal transmitted by the PLC module, and then adjust the throttle opening degree and further adjust the engine speed.

[0006] The control method of the airport snow removal vehicle well lid avoidance system comprises the following steps: S1: record all well lid positioning information of the airport and save it in the system; S2: obtain the real-time positioning information of the snow removal vehicle; S3: According to the positioning information of the manhole cover and the snow plow, the distance between the snow plow and each manhole cover is calculated, if the distance is less than a set value, S4 is performed, or if the distance is greater than or equal to the set value, S5 is performed; S4: If the snow plow engine is in a low speed state, the snow plow engine is kept running at a low speed, if the snow plow engine is not in a low speed state, the throttle is tightened, the snow plow engine is lowered, and then S2 is performed; S5: If the snow plow engine is in a low speed state, the throttle is increased, the snow plow engine returns to a normal working speed, if the snow plow engine is not in a low speed state, the current speed is kept, and then S2 is performed.

[0007] Preferably, the step S1 is specifically that the GPS module obtains the positioning information of the manhole cover and transmits the manhole cover positioning information to the manhole cover positioning information storage unit of the PLC module.

[0008] Preferably, the step S2 is specifically that the GPS module obtains the real-time positioning information of the snow plow and transmits the snow plow and manhole cover distance calculation unit of the PLC module.

[0009] Preferably, the step S3 is specifically that the snow plow and manhole cover distance calculation unit of the PLC module compares the distance between the real-time positioning information of the snow plow and the positioning information of each manhole cover stored in the manhole cover positioning information storage unit, and if the distance is less than a set value, S4 is performed, or if the distance is greater than or equal to the set value, S5 is performed.

[0010] Preferably, the step S4 is specifically that the engine speed control unit generates a corresponding engine speed control signal and transmits it to the snow plow engine, and the snow plow engine keeps running at a low speed or reduces the speed.

[0011] Preferably, the step S5 is specifically that the engine speed control unit generates a corresponding engine speed control signal and transmits it to the snow plow engine, and the snow plow engine returns to a normal working speed or keeps the current speed.

[0012] The advantages of the present application are that the system structure and control method are reasonably designed, the snow plow engine speed can be adjusted according to the distance between the snow plow and the manhole cover, the wind speed can be adjusted, the manhole cover can be prevented from being blown away when it is close to the manhole cover, the working intensity can be effectively reduced, the judgment accuracy can be ensured, the working stability can be improved, the safety risk can be reduced, and the snow removal effect can be ensured. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a structural block diagram of the airport snow plow manhole cover avoidance system of the present application.

[0014] Figure 2 is a working flow chart of an embodiment of the airport snow plow manhole cover avoidance system of the present application. DETAILED DESCRIPTION

[0015] The application will be described in further detail below with reference to the embodiments and specific implementations.

[0016] As Figure 1 shown, the airport snow removal vehicle well lid avoidance system, its structure includes GPS module, PLC module and snow removal port engine, PLC module signal connection GPS module and snow removal port engine respectively.

[0017] The GPS module is used to obtain real-time positioning information of the snow removal vehicle and transmit it to the PLC module, and also used to obtain well lid positioning information and transmit it to the PLC module.

[0018] The PLC module includes a well lid positioning information storage unit, a snow removal vehicle and well lid distance calculation unit, and an engine speed control unit, The well lid positioning information storage unit is used to receive the well lid positioning information transmitted by the GPS module and store it; The snow removal vehicle and well lid distance calculation unit is used to output the calculation result to the engine speed control unit according to the well lid positioning information read from the well lid positioning information storage unit and the real-time positioning information of the snow removal vehicle received from the GPS module; The engine speed control unit is used to generate an engine speed control signal according to the result calculated by the snow removal vehicle and well lid distance calculation unit and transmit it to the snow removal port engine.

[0019] The snow removal port engine is used to receive the engine speed control signal transmitted by the PLC module, then adjust the throttle opening, and further adjust the engine speed.

[0020] As Figure 2 shown, the control method of the airport snow removal vehicle well lid avoidance system includes the following steps: S1: record all well lid positioning information of the airport and save it in the system, specifically, the GPS module obtains the well lid positioning information and transmits it to the well lid positioning information storage unit of the PLC module; S2: obtain real-time positioning information of the snow removal vehicle, specifically, the GPS module obtains the real-time positioning information of the snow removal vehicle and transmits it to the snow removal vehicle and well lid distance calculation unit of the PLC module; S3: calculate the distance between the snow removal vehicle and each well lid according to the positioning information of the well lid and the snow removal vehicle, specifically, the snow removal vehicle and well lid distance calculation unit of the PLC module compares the distance between the snow removal vehicle real-time positioning information and the positioning information of each well lid stored in the well lid positioning information storage unit, if the distance < set value, proceed to S4, or ≥ set value, proceed to S5; S4: If the snow-removing port engine is in a low-speed state, keep the snow-removing port engine in low-speed operation, i.e. the engine speed control unit generates a corresponding engine speed control signal and transmits it to the snow-removing port engine, and the snow-removing port engine keeps low-speed operation; if the snow-removing port engine is not in a low-speed state, tighten the throttle and reduce the snow-removing port engine operation, i.e. the engine speed control unit generates a corresponding engine speed control signal and transmits it to the snow-removing port engine, and the snow-removing port engine reduces the speed, and then S2 is performed; S5: If the snow-removing port engine is in a low-speed state, increase the throttle and the snow-removing port engine restores the normal working speed, i.e. the engine speed control unit generates a corresponding engine speed control signal and transmits it to the snow-removing port engine, and the snow-removing port engine restores the normal working speed; if the snow-removing port engine is not in a low-speed state, keep the current speed, i.e. the engine speed control unit generates a corresponding engine speed control signal and transmits it to the snow-removing port engine, and the snow-removing port engine keeps the current speed, and then S2 is performed. Embodiment

[0021] The GPS module is RAC-F1 GPS module, and the snow-removing vehicle is previously stopped at a position with a manhole cover in an airport. The position information of the manhole cover encountered by the snow-removing vehicle in the driving process is recorded in the manhole cover positioning information storage unit of the PLC module through the GPS module on the snow-removing vehicle.

[0022] In the driving process of the snow-removing vehicle, the positioning information of the snow-removing vehicle, i.e. the longitude and latitude information of the snow-removing vehicle, is obtained in real time according to the GPS module. The distance between the manhole cover and the snow-removing vehicle is calculated through the GPS positioning information of the manhole cover and the snow-removing vehicle. When the distance between the snow-removing vehicle and the manhole cover is less than 10 meters, the PLC module controls the snow-removing port engine to tighten the throttle and reduce the speed. When the distance between the snow-removing vehicle and the manhole cover is greater than 10 meters, the PLC module controls the snow-removing port engine to increase the throttle and improve the speed to keep the normal working state.

[0023] The above only describes the preferred embodiments of the present application, and it should be noted that for those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the protection scope of the present application.

Claims

1. Airport snow removal vehicle manhole cover avoidance system, characterized by: It includes a GPS module, a PLC module and a snow removal engine. The PLC module is connected to the GPS module and the snow removal engine respectively. The GPS module is used to obtain the real-time positioning information of the snowplow and transmit it to the PLC module. It is also used to obtain the positioning information of the manhole cover and transmit it to the PLC module. The PLC module includes a manhole cover positioning information storage unit, a snowplow and manhole cover distance calculation unit, and an engine speed control unit. The manhole cover positioning information storage unit is used to receive and store the manhole cover positioning information transmitted by the GPS module. The snowplow and manhole cover distance calculation unit is used to output the calculation result to the engine speed control unit based on the manhole cover positioning information read from the manhole cover positioning information storage unit and the real-time positioning information of the snowplow received from the GPS module. The engine speed control unit is used to generate an engine speed control signal according to the result calculated by the snowplow and manhole cover distance calculation unit and transmit it to the snowplow engine; The snow removal engine is used to receive the engine speed control signal transmitted by the PLC module, and then adjust the throttle opening to adjust the engine speed.

2. The control method of the airport snowplow manhole cover avoidance system according to claim 1, characterized in that: The following steps are involved: S1: Record the location information of all manhole covers in the airport and save it in the system; S2: Obtain real-time positioning information of snowplows; S3: Calculate the distance between the snowplow and each manhole cover based on the positioning information of the manhole cover and the snowplow. If the distance is less than the set value, proceed to S4; if the distance is greater than the set value, proceed to S5. S4: If the snow removal engine is in a low speed state, keep the snow removal engine running at a low speed; if the snow removal engine is not in a low speed state, tighten the throttle to reduce the speed of the snow removal engine, and then proceed to S2; S5: If the snow removal engine is in a low speed state, increase the throttle and the snow removal engine resumes normal operating speed. If the snow removal engine is not in a low speed state, maintain the current speed and then proceed to S2.

3. The control method of the airport snowplow manhole cover avoidance system according to claim 2, characterized in that: The step S1 is specifically that the GPS module obtains the manhole cover positioning information and transmits it to the manhole cover positioning information storage unit of the PLC module.

4. The control method of the airport snowplow manhole cover avoidance system according to claim 2, characterized in that: The step S2 is specifically that the GPS module obtains the real-time positioning information of the snowplow and transmits it to the snowplow and manhole cover distance calculation unit of the PLC module.

5. The control method of the airport snowplow manhole cover avoidance system according to claim 2, characterized in that: The step S3 is specifically that the snowplow and manhole cover distance calculation unit of the PLC module compares the distance between the real-time positioning information of the snowplow and the positioning information of each manhole cover stored in the manhole cover positioning information storage unit, and proceeds to S4 if it is judged that the distance is less than the set value, or proceeds to S5 if it is greater than the set value.

6. The control method of the airport snowplow manhole cover avoidance system according to claim 2, characterized in that: The step S4 is specifically that the engine speed control unit generates a corresponding engine speed control signal and transmits it to the snow removal engine, and the snow removal engine maintains low speed operation or reduces the speed.

7. The control method of the airport snowplow manhole cover avoidance system according to claim 2, characterized in that: In step S5, the engine speed control unit generates a corresponding engine speed control signal and transmits it to the snow removal engine, so that the snow removal engine resumes normal operating speed or maintains the current speed.

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