阅读说明：本技术 重型卡车全自动清洗系统 (Full-automatic cleaning system of heavy truck ) 是由 魏永涛 吕云龙 王华冠 于 2020-07-14 设计创作，主要内容包括：重型卡车全自动清洗系统,属于洗车技术领域,它包括洗车通道、全封闭洗车房、自动化控制系统；全封闭洗车房包括供暖设施、沉淀池、加压泵房、配电室、供水管道、供水阀门、若干喷头、若干地磁传感器；PLC可编程控制器分别连接地磁传感器、供暖设施、供水控制装置、气压检测控制装置、环境温度控制装置；本发明能够实现无人操作,根据车辆自动启停清洗,提高车辆运输效率,节约能源,运输车辆环保达标的系统设备。(A full-automatic cleaning system for a heavy truck belongs to the technical field of vehicle cleaning, and comprises a vehicle cleaning channel, a fully-closed vehicle cleaning room and an automatic control system; the totally-enclosed car washing room comprises a heating facility, a sedimentation tank, a pressurizing pump room, a power distribution room, a water supply pipeline, a water supply valve, a plurality of spray heads and a plurality of geomagnetic sensors; the PLC is respectively connected with the geomagnetic sensor, the heating facility, the water supply control device, the air pressure detection control device and the ambient temperature control device; the invention can realize unmanned operation, automatically start and stop the cleaning according to the vehicle, improve the vehicle transportation efficiency, save energy and transport the environmental-friendly and standard-reaching system equipment of the vehicle.)

1. The full-automatic cleaning system for the heavy truck comprises a car washing channel, a fully-closed car washing room and an automatic control system; the totally-enclosed car washing room comprises a heating facility, a sedimentation tank, a pressurizing pump room, a power distribution room, a water supply pipeline, a water supply valve, a plurality of spray heads and a plurality of geomagnetic sensors; the device is characterized in that a PLC (programmable logic controller) is respectively connected with a geomagnetic sensor, a heating facility, a water supply control device, an air pressure detection control device and an ambient temperature control device; the water supply control device comprises a reservoir, a pressure water pump and a liquid level sensor, and the PLC is respectively connected with the pressure water pump and the liquid level controller; the pressurized water pump is arranged in the pressurized water pump room, the liquid level sensor is connected with the PLC, the PLC controls the water adding valve, and the reservoir is connected with the water pump; the air pressure detection control device detects an air source and controls the work and stop of the air pump, so that the supply of driving air sources of all pneumatic valves is guaranteed; the automatic control system controls the geomagnetic sensor, the license plate equipment system, the variable-frequency constant-pressure system, the totally-closed car washing house, the heating facility, the sedimentation tank, the water supply pipeline, the starting valve and the spray head, so that full-automatic car washing is realized; the license plate equipment system consists of a license plate collecting camera and a computer; the license plate collecting camera is connected to a computer through a network and records license plate information, and the license plate information is set for the collecting camera through the computer; the automatic control system comprises a touch screen, a digital quantity module, an analog quantity module, a frequency converter, a temperature transmitter, a liquid level sensor, a pressure sensor, license plate equipment, a geomagnetic sensor and a pneumatic valve; the PLC controls the start and stop of the frequency converter and the rotating speed of the variable frequency motor and the water pump according to a preset pressure signal, and feeds the signals back to the PLC through the pressure sensor to achieve the purpose of constant pressure; the method comprises the steps that license plate recognition equipment is arranged at an entrance of a car washing room, when a vehicle is recognized, a door of the car washing room is automatically opened, meanwhile, illumination inside a workshop is automatically lightened, and when the vehicle enters a 3m position of the car washing room, a first path of geomagnetic position detection sensor detects the vehicle, feeds back a signal for an automatic system, and starts a constant pressure pump; when the vehicle continues to run for 1m, each sprayer is opened, water pressure washes the vehicle at the pressure of 10kg, a geomagnetic position detection sensor is arranged at the back every 1-1.5 m, 9 water spraying pipelines are arranged in total, when the vehicle arrives at one sprayer, the sprayers are opened, finally the geomagnetic position detection sensor feeds back signals for stopping the constant pressure pump, after the vehicle arrives, pressurized water supply is stopped in a delayed mode, a vehicle washing process is finished, and the purposes of unmanned operation and automatic vehicle washing are achieved.

Technical Field

The invention is mainly used for cleaning heavy trucks.

Background

Chinese patent application No. 201810343318.8 discloses an automatic car wash, which comprises a car wash room body, an automatic cleaning system and a centralized controller, wherein the automatic cleaning system comprises a plurality of spraying units which are dispersedly arranged on the car wash room body, each spraying unit comprises a spraying head, and the spraying heads are connected with the car wash room body through a lifting mechanism; the injection head is connected with a high-pressure air source through a first pipeline and is connected with a water source through a second pipeline.

The automatic car washing house is washed to cause sewage flow spreading, vehicle crowding and chaos, and low logistics transportation amount, and can not be washed due to icing in winter.

Disclosure of Invention

The technical problem solved by the invention is as follows: the vehicle can be cleaned in four seasons, the position of the vehicle in high-pressure water mist is detected, the high-pressure spray head is gradually opened or closed through an automatic detection program, the transport vehicle is cleaned, sewage is recycled, and the purposes of saving energy, protecting environment and achieving the standard of cleanness are achieved.

The technical scheme of the invention is as follows: the full-automatic cleaning system for the heavy truck comprises a car washing channel, a fully-closed car washing room and an automatic control system; the totally-enclosed car washing room comprises a heating facility, a sedimentation tank, a pressurizing pump room, a power distribution room, a water supply pipeline, a water supply valve, a plurality of spray heads, a plurality of geomagnetic sensors and a PLC (programmable logic controller); the PLC is respectively connected with the geomagnetic sensor, the heating facility, the water supply control device, the air pressure detection control device and the ambient temperature control device.

The water supply control device comprises a reservoir, a pressure water pump and a liquid level sensor, and the PLC is respectively connected with the pressure water pump and the liquid level controller; the water pump is arranged in the water pump room, the liquid level sensor is connected with the PLC for controlling the water adding valve, and the reservoir is connected with the water pump;

The air pressure detection control device detects an air source and controls the work and stop of the air pump, so that the supply of driving air sources of all pneumatic valves is guaranteed; by reasonably applying the geomagnetic sensor, the license plate equipment system, the variable-frequency constant-pressure system and the automatic control system, compiling corresponding automatic software, and realizing full-automatic car washing by fully-closed car washing houses, heating facilities, sedimentation tanks, water supply pipelines, starting valves, professional sprayers and the like; the license plate equipment system is composed of a license plate collecting camera and a computer.

The license plate collecting camera is connected to the computer through a network, records license plate information and sets the license plate information for the collecting camera through the computer.

The automatic control system comprises a touch screen, a digital quantity module, an analog quantity module, a frequency converter, a temperature transmitter, a liquid level sensor, a pressure sensor, license plate equipment, a geomagnetic sensor and a pneumatic valve.

The PLC controls the start and stop of the frequency converter and the rotating speed of the variable frequency motor and the water pump according to a preset pressure signal, and the rotating speed is fed back to the PLC through the pressure sensor, so that the purpose of constant pressure is achieved.

According to the invention, the license plate recognition equipment is arranged at the entrance of the car washing room, when a vehicle is recognized, the door of the car washing room is automatically opened (meanwhile, the internal illumination of the factory building is automatically lightened), and when the vehicle enters the car washing room for 3m, the first path of geomagnetic position detection sensor detects the vehicle, feeds back a signal for an automatic system, and starts the constant pressure pump;

When the vehicle continues to run for 1m, each sprayer is opened, water pressure washes the vehicle at the pressure of 10kg, a geomagnetic position detection sensor is arranged at the back every 1-1.5 m, 9 water spraying pipelines are arranged in total, when the vehicle arrives at one sprayer, the sprayers are opened, finally the geomagnetic position detection sensor feeds back signals for stopping the constant pressure pump, after the vehicle arrives, pressurized water supply is stopped in a delayed mode, a vehicle washing process is finished, and the purposes of unmanned operation and automatic vehicle washing are achieved.

The invention can automatically identify vehicles, carry out unmanned cleaning, recycle water sources, save energy, reduce labor force, improve production efficiency and realize an environment-friendly emission standard system.

The invention utilizes the automatic control system to wash the vehicle, improves the transportation efficiency of the vehicle, shortens the original 40-minute vehicle washing to 3-minute vehicle washing, and shortens the vehicle washing time to 37 minutes.

The invention has 6 water pools, each water pool can store 25 tons on average, the cyclic utilization is realized, and 4 tons of water are consumed when the sludge in the water pool is cleaned every month; compared with the prior art, the water consumption is 36452 tons in the annual saving, and the annual saving cost is 174969 yuan.

Drawings

FIG. 1 is a flow chart of an automatic control process of the present invention.

FIG. 2 is a block diagram of a license plate device system of the present invention.

FIG. 3 is a circuit block diagram of a variable frequency constant voltage system of the present invention.

Fig. 4 is a control block diagram of the PLC programmable controller.

Detailed Description

The full-automatic cleaning system for the heavy truck comprises a car washing channel, a fully-closed car washing room, a heating facility, a sedimentation water tank, a pressurizing pump room, a power distribution room and an automatic control system.

The automatic control system comprises a PLC (programmable logic controller), a digital quantity module, an analog quantity module, a frequency converter, a temperature transmitter, a liquid level sensor, a pressure sensor, a license plate recognition device, a geomagnetic sensor and a pneumatic valve;

PLC programmable controller both way junction touch-sensitive screen, digital quantity module, analog quantity module connect license plate recognition device, earth magnetism sensor, pressure sensor, temperature transmitter, level sensor, pneumatic valve respectively and supply piping connection, and the converter is connected with PLC programmable controller and driving water pump motor.

Further, the PLC programmable controller is respectively connected with 9 geomagnetic sensors, a heating facility and a water supply control device.

9 earth magnetism sensors install respectively in car wash route, wherein: the first geomagnetic sensor is arranged on the inner side of the inlet lifting door and is used for preventing the vehicle which is washing the car from backing up; the second geomagnetic sensor is arranged at the position 2m inside the inlet and is used for starting the pressurizing water pump; the third geomagnetic sensor is arranged at a position 1m in front of the first path of spray head pneumatic valve and is used for opening the valve to clean the license plate and the vehicle bottom; the fourth geomagnetic sensor is arranged at a position 1m in front of the pneumatic valve of the second way of spray head and is used for opening the valve to clean a cab and a carriage of the vehicle; the fifth geomagnetic sensor is arranged at the position 1m in front of the third-path spray head pneumatic valve and is used for opening the valve and cleaning the place where the concave-convex part is easy to accumulate dust by using the conical spray head; the sixth geomagnetic sensor is arranged 1m in front of the fourth nozzle pneumatic valve and is used for opening the valve and cleaning the wheels by using the conical nozzles; the seventh geomagnetic sensor is arranged 1m in front of the pneumatic valve of the fifth nozzle and is used for opening the valve and cleaning the whole surface of the vehicle by using the fan-shaped nozzle; the eighth geomagnetic sensor is arranged on the inner side of the outlet lifting door and is used for opening the lifting door and allowing the washed vehicle to go out of the garage; the ninth geomagnetic sensor is installed outside the exit lift gate, and is used for resetting the whole cleaning program and finishing cleaning when the cleaned vehicle runs to the position.

The license plate recognition system consists of a license plate collecting camera and a computer.

The license plate collecting camera is connected to the computer through a network, records license plate information and sets the license plate information for the collecting camera through the computer.

The license plate collecting camera is connected with a computer in a two-way mode, the output of the license plate collecting camera is respectively connected with the input of the PLC and the lifting door, and the output of the PLC is connected with the lighting controller.

The PLC is connected with the frequency converter in a two-way mode, the output of the frequency converter is connected with the input of the variable frequency motor, the output of the variable frequency motor is connected with the input of the water pump, the output of the water pump is connected with the input of the pressure sensor, and the output of the pressure sensor is connected with the PLC.

The heating facility adopts a conventional heating facility.

The car washing channel, the totally-enclosed car washing room, the sedimentation water tank, the pressurizing pump room and the distribution room are all conventional facilities.

1. The air pressure detection control device detects an air source and controls the work and stop of the air pump to ensure the supply of driving air sources of all pneumatic valves, and if the air pressure is low, the air pressure is detected by the PLC, the car washing is stopped and a fault alarm is given;

2. the PLC detects whether the water level of the reservoir is normal or not through the reservoir liquid level sensor, when the liquid level is lower than 1.5m, the water supplementing pneumatic valve is opened to supplement water, when the liquid level is lower than 1.2m, car washing is stopped, fault alarming is carried out, meanwhile, the pressurizing water pump is stopped, and when the liquid level reaches 2m, the water supplementing pneumatic valve is closed to supplement water;

3. Set up license plate identification equipment at the carwash entry, after the vehicle is discerned, the carwash door is automatic to be opened (the factory building inside illumination is automatic to be lighted simultaneously), and 9 earth magnetism sensors are installed respectively at carwash driving route, wherein: the first geomagnetic sensor is arranged on the inner side of the inlet lifting door and is used for preventing the vehicle which is washing the car from backing up; the second geomagnetic sensor is arranged at the position 2m inside the inlet and is used for starting the pressurizing water pump; the third geomagnetic sensor is arranged at a position 1m in front of the first path of spray head pneumatic valve and is used for opening the valve to clean the license plate and the vehicle bottom; the fourth geomagnetic sensor is arranged at a position 1m in front of the pneumatic valve of the second way of spray head and is used for opening the valve to clean a cab and a carriage of the vehicle; the fifth geomagnetic sensor is arranged at the position 1m in front of the third-path spray head pneumatic valve and is used for opening the valve and cleaning the place where the concave-convex part is easy to accumulate dust by using the conical spray head; the sixth geomagnetic sensor is arranged 1m in front of the fourth nozzle pneumatic valve and is used for opening the valve and cleaning the wheels by using the conical nozzles; the seventh geomagnetic sensor is arranged 1m in front of the pneumatic valve of the fifth nozzle and is used for opening the valve and cleaning the whole surface of the vehicle by using the fan-shaped nozzle; the eighth geomagnetic sensor is arranged on the inner side of the outlet lifting door and is used for opening the lifting door and allowing the washed vehicle to go out of the garage; the ninth geomagnetic sensor is installed outside the exit lift gate, and is used for resetting the whole cleaning program and finishing cleaning when the cleaned vehicle runs to the position.