CN105320049A - New countryside road vehicle weight limit system and control method thereof - Google Patents

Abstract

The invention discloses a new rural road vehicle weight-limiting system and a control method thereof. The new rural road includes a main road and a detour lane equipped with a vehicle weight-limiting system. The two ends of the detour lane are respectively connected to the main road. The detour lane reverses back to the main road with the vehicle weight limit system; the parameter detection module is equipped with a pressure sensor, an infrared detection sensor, and the actuator is equipped with a display device, an alarm device and a roadblock; the alarm device is equipped with a warning light, a buzzer, The barricade is driven by a motor; the barricade has a manual button. The technical scheme of the present invention uses intelligent control to realize the automatic control system for opening and closing road barriers. The main purpose of this system is to realize intelligent control and energy-saving use. Traffic accidents; make up for the shortage of vehicle weight limit equipment in our country, and save road maintenance costs. The system has stable performance, simple operation and outstanding practical value.

Description

A new rural road vehicle weight limit system and its control method

technical field

The invention relates to a traffic control system and a control method thereof, in particular to a new rural road vehicle weight limiting system and a control method thereof.

Background technique

The transportation industry is the basic industry of my country's social and economic development and a powerful driving force for my country's economic development and social progress. Therefore, road construction has become an eye-catching bright spot in economic construction, especially in eastern coastal provinces and cities, which has formed a certain scale, injecting strong vitality into national economic and social development. However, with the development of the national economy, the traffic volume of expressways will increase day by day, and the requirements for expressway maintenance and management will also become higher and higher. Facing the current status of expressway maintenance management, it is imminent to explore a new idea for healthy and sustainable development of highway maintenance management.

Contents of the invention

The technical problem to be solved by the present invention is to provide a new rural road vehicle weight limit system and its control method, which can limit the passage of overloaded vehicles, increase the service life of rural roads, reduce road maintenance costs, reduce the risk of traffic accidents, and improve traffic safety , and to a certain extent slowed down the financial pressure of new rural construction, saving building materials and human resources.

In order to solve the above technical problems, the present invention adopts the following technical means:

A new rural road vehicle weight limit system, including a control system, a parameter detection module electrically connected to the control system, and an actuator controlled by the control system. The new rural road includes a main road equipped with a vehicle weight limit system. The road is provided with a detour lane at the place where the vehicle weight limit system is set, and the two ends of the detour lane are respectively connected with the main road. There are pressure sensors and infrared detection sensors. The pressure sensors are divided into main road pressure sensors and detour lane pressure sensors; the executive agencies are provided with display devices, alarm devices and roadblocks; The buzzer, the warning light and the buzzer are connected in parallel; the roadblock is electrically connected with the motor, and the roadblock is driven by the motor; the roadblock is provided with a manual button.

The weighing process of the present invention is a complex process. The main control parameter of this design is pressure. Since this parameter is a continuously changing analog quantity, it is necessary for the detection structure to convert it into 4~20mA through a pressure sensor and a transmitter. The current signal is sent to the control system; the control system makes a decision based on the above information and transmits the execution information to the executive agency, and the executive agency makes corresponding actions or processes, and the executive agency controls the passing vehicles.

The technical scheme of the present invention uses intelligent control to realize the automatic control system for opening and closing road barriers. The main purpose of this system is to realize intelligent control and energy-saving use. On this basis, a roundabout lane is set to prevent vehicles from being crowded or It is easy to cause traffic accidents; make up for the shortage of vehicle weight limit equipment in my country, and save road maintenance costs. The system has stable performance, simple operation and outstanding practical value.

As preferably, the further technical scheme of the present invention is:

The control system is provided with a system master switch, a pressure sensor master switch, a roadblock manual button, and a limit switch; the system master switch controls the entire control system, and the pressure sensor master switch controls the main road pressure sensor, the detour lane pressure sensor, and the roadblock manual button It is divided into a manual button for raising the roadblock and a manual button for lowering the roadblock. The control system controls the motor through the limit switch to drive the movement of the roadblock.

By setting the above switches, the control function of the system is more flexible and more convenient to control, so as to bring into play the flexibility of the system.

The control system includes a host system and a slave system controlled by the host system. The main function of the control system is to realize the effective control of the changes of the controlled parameters. By setting the host system and the slave system, the control process is mainly realized through the control module; through the module design, the reasonable control of the entire control process is realized. For the parameter detection module and executive body wake control. In the control process, it is easy to design and control each functional module, and the control system can control the action of the actuator through the control algorithm in time according to the detection feedback result of the detection module, so as to realize the stable control of the system; by coordinating the action process of each part of the system, so that It achieves control ability and good control effect, and is practical and economical.

The host system is equipped with LOGO! 230RC as the main controller, and the slave system is equipped with 51 single-chip microcomputers as the microcontroller, and the host controller and the microcontroller communicate with each other through the electrical connection of the communication module.

Described micro-controller is provided with power supply module, LED drive module, motor drive module, warning light drive module, alarm drive module; Power supply module provides power supply for control system, main controller controls display device through the LED drive module of microcontroller work, the main controller controls the motor to drive the roadblock to work through the motor drive module of the microcontroller, the warning light drive module controls the warning light to work, and the alarm drive module controls the buzzer to work.

The control system is provided with a vehicle identification module, and the vehicle identification module is provided with a vehicle information input camera; the vehicle identification module is wirelessly connected with the vehicle information control center, and communicates with the vehicle information control center through wireless.

A control method for a new rural road vehicle weight limit system, comprising the following steps:

(1) Overload detection process: When the pressure sensor detects that the pressure parameter exceeds a certain number, the parameter is transmitted to the control system, and the control system performs calculations on it through the internal logic control algorithm, and outputs the result to the actuator through the control system , through the actuator to complete the actions and processes of raising the roadblock, displaying overload information on the LED display, flashing the warning light and sounding the alarm;

(2) Overloaded vehicles are separated from normal load vehicles; overloaded vehicles pass through the vehicle weight limit system and return to the main road with vehicle weight limit system in reverse through the roundabout lane; normal load vehicles continue to drive along the main road after passing through the vehicle weight limit system ;

(3) Overload detour detection process: When the infrared detection sensor detects that there is a vehicle passing by, the parameters are transmitted to the control system, and the control system performs calculations on them through the internal control algorithm, and outputs the results to the actuator through the control system. The actuator completes the action and process of lowering the roadblock, displaying welcome information on the LED display, stopping the flashing of the warning light and stopping the alarm;

(4) Emergency passage process: the roadblock is controlled by the manual button, and emergency passage can be realized by lifting the roadblock.

The beneficial effects of the present invention are:

(1) Warning function: When the vehicle is about to enter the detection gate, the LED display in front of the vehicle will remind the driver that the vehicle is about to enter the weighing area and slow down. It reduces the occurrence of safety problems before the detection gate, and facilitates the accurate and stable measurement of the detection equipment. Secondly, when the vehicle is overloaded, the warning light and the buzzer will start, which has a very good reminder effect.

(2) Weight measurement function: when the vehicle passes through the deceleration roadblock installed with the pressure sensor, the pressure sensor is used to measure the weight of the vehicle passing the detection gate on the highway. The value of the weight will be displayed on the LED display next to it, so that the driver can prepare psychologically for the subsequent equipment processing.

(3) Traffic restriction function: When the vehicle passes through the deceleration roadblock, the pressure sensor generates a pulse signal and sends it to the LOGO! control device, which controls the lifting of the railing through logic calculation to achieve the effect of restricting the passage of overloaded vehicles.

(4) Emergency passage: In case of emergency, vehicles can be passed manually. For example, fire rescue vehicles, emergency blockade of road sections, etc.

(5) Detour anti-blocking: When the pressure sensor sends out a signal and LOGO! detects that a vehicle is overloaded, in order to ensure the smooth operation of the traffic system, the overloaded vehicle can return through the detour lane within a reasonable time range, so that subsequent vehicles can continue to move.

(6) Protection function: Through the detection of whether the passing vehicles on a certain road are overloaded, as well as reasonable traffic control, it has a good protection effect on the road section and reduces the workload of road maintenance workers.

(7) Safety function: Through the detection of vehicles at the checkpoint, the vehicle density in the rear section can be reduced, thereby reducing the incidence of traffic accidents and protecting the safety of drivers' lives and property.

(8) Automatic control function: After the rural road vehicle weight limit system is activated, the system can automatically detect passing vehicles and make corresponding response actions to the detection results, which saves a lot of manpower and material resources and improves the efficiency of the system. stability and efficiency.

Description of drawings

FIG. 1 is a schematic diagram of the frame structure of the host system part of the present invention.

Fig. 2 is a schematic diagram of the frame structure of the slave system part of the present invention.

Fig. 3 is a simulation circuit diagram of the present invention.

Fig. 4 is a working flow chart of the present invention.

Explanation of reference signs: 1-roadblock; 2-display device; 3-motor; 4-alarm device; 5-executive agency; 6-pressure sensor; 7-main controller; 8-manual button; 9-infrared detection sensor; 10-power supply module; 11-communication module; 12-LED drive module; 13-microcontroller; 14-alarm drive module; 15-warning light drive module; 16-motor drive module.

detailed description

Below in conjunction with embodiment, further illustrate the present invention.

Referring to Fig. 1-Fig. 3, it can be known that a new rural road vehicle weight limit system of the present invention is composed of a control system, a parameter detection module electrically connected to the control system, and an actuator 5 controlled by the control system; The road includes the main road with a vehicle weight limit system. The main road is equipped with a roundabout lane at the place where the vehicle weight limit system is set. The main road of the heavy system; the parameter detection module is provided with a pressure sensor 6 and an infrared detection sensor 9, and the pressure sensor 6 is divided into a main road pressure sensor 6 and a detour lane pressure sensor 6; A display device 2, an alarm device 4 and a roadblock 1 are provided; the alarm device 4 is provided with a warning light and a buzzer, and the warning light and the buzzer are connected in parallel; the roadblock 1 is electrically connected with the motor 3, and the roadblock 1 is driven by the motor 3; The roadblock 1 is provided with a manual button 8 .

In the weighing process of the present invention, when the infrared detection sensor 9 detects that a vehicle passes by, the information is transmitted to the control system, and the control system receives the pressure sensor 6 and performs calculations on it through an internal control algorithm, and outputs the result to the actuator 5 . The main control parameter of this design is pressure. Since this parameter is a continuously changing analog quantity, it is necessary for the detection structure to convert it into a 4-20mA current signal and transmit it to the control system through the pressure sensor 6 and the transmitter; the control system is based on the above information Make a decision and transmit the execution information to the executive agency 5, and the executive agency 5 will make a corresponding action or process, and the executive agency 5 will control the passing vehicles.

The technical solution of the present invention uses intelligent control to realize the automatic control system for opening and closing the road barrier 1. The main purpose of this system is to realize intelligent control and energy-saving use. On this basis, a detour lane is set to prevent vehicle congestion. Or easily cause traffic accidents; make up for the shortage of vehicle weight limit equipment in our country, and save road maintenance costs. The system has stable performance, simple operation and outstanding practical value.

As preferably, the further technical scheme of the present invention is:

Described control system is provided with system main switch, pressure sensor 6 main switches, roadblock 1 manual button 8, limit switch; The sensor 6 and the roadblock 1 manual button 8 are divided into the roadblock 1 rising manual button 8 and the roadblock 1 falling manual button 8, and the control system controls the motor 3 through the limit switch to drive the roadblock 1 to move.

By setting the above switches, the control function of the system is more flexible and more convenient to control, so as to bring into play the flexibility of the system.

The control system includes a host system and a slave system controlled by the host system. The main function of the control system is to realize the effective control of the changes of the controlled parameters. By setting the host system and the slave system, the control process is mainly realized through the control module; through the module design, the reasonable control of the entire control process is realized. For the parameter detection module And actuator 5 wake up control. In the control process, it is easy to design and control each functional module, and the control system can control the action of the actuator 5 through the control algorithm in time according to the detection feedback result of the detection module, so as to realize the stable control of the system; by coordinating the action process of each part of the system, In order to achieve control ability and better control effect, it is practical and economical.

The host system is provided with LOGO! 230RC as the master controller 7, and the slave system is provided with 51 single-chip microcomputers as the microcontroller 13, and the master controller 7 and the microcontroller 13 are electrically connected to each other through the communication module 11 for communication.

Described microcontroller 13 is provided with power module 10, LED driver module 12, motor driver module 16, warning light driver module 15, alarm driver module 14; LED drive module 12 of device 13 controls display device 2 to work, and main controller 7 controls motor 3 to drive roadblock 1 to work through the motor drive module 16 of microcontroller 13, and warning lamp drive module 15 controls the work of warning lamp, and alarm drive module 14 controls The buzzer works.

The control system is provided with a vehicle identification module, and the vehicle identification module is provided with a vehicle information input camera; the vehicle identification module is wirelessly connected with the vehicle information control center, and communicates with the vehicle information control center through wireless.

Referring to Figures 1-4, it can be seen that a control method for a new rural road vehicle weight limit system includes the following steps:

(1) Overload detection process: When the pressure sensor 6 detects that the pressure parameter exceeds a certain number, the parameter is transmitted to the control system, and the control system performs calculations on it through the internal logic control algorithm, and outputs the result to the executive through the control system Mechanism 5, through the actuator 5, completes the actions and processes of raising the roadblock 1, displaying overload information on the LED display, flashing the warning light and sounding the alarm;

(2) Overloaded vehicles are separated from normal load vehicles; overloaded vehicles pass through the vehicle weight limit system and return to the main road with vehicle weight limit system in reverse through the roundabout lane; normal load vehicles continue to drive along the main road after passing through the vehicle weight limit system ;

(3) Overload detour detection process: When the infrared detection sensor 9 detects a vehicle passing by, the parameters are transmitted to the control system, and the control system calculates them respectively through the internal control algorithm, and outputs the result to the actuator 5 through the control system , complete the action and process of lowering the roadblock 1, displaying welcome information on the LED display, stopping the flashing of the warning light and stopping the alarm through the actuator 5;

(4) Emergency passage process: the roadblock 1 is controlled by the manual button 8, and the emergency passage can be realized by lifting the roadblock 1.

The beneficial effects of the present invention are:

(1) Warning function: When the vehicle is about to enter the detection gate, the LED display in front of the vehicle will remind the driver that the vehicle is about to enter the weighing area and slow down. It reduces the occurrence of safety problems before the detection gate, and facilitates the accurate and stable measurement of the detection equipment. Secondly, when the vehicle is overloaded, the warning light and the buzzer will start, which has a very good reminder effect.

(2) Weight measurement function: when the vehicle passes the deceleration roadblock 1 equipped with the pressure sensor 6, the pressure sensor 6 is used to measure the weight of the vehicle passing the detection gate on the highway. The value of the weight will be displayed on the LED display next to it, so that the driver can prepare psychologically for the subsequent equipment processing.

(3) Traffic restriction function: When the vehicle passes through the deceleration roadblock 1, the pressure sensor 6 generates a pulse signal and sends it to the LOGO! control device, which controls the lifting of the railing through logical calculation to achieve the effect of restricting the passage of overloaded vehicles.

(4) Emergency passage: In case of emergency, vehicles can be passed manually. For example, fire rescue vehicles, emergency blockade of road sections, etc.

(5) Detour anti-blocking: When the pressure sensor 6 sends out a signal and LOGO! detects that a vehicle is overloaded, in order to ensure the smooth operation of the traffic system, the overloaded vehicle can return through the detour lane within a reasonable time range, so that the subsequent vehicles can continue to move .

(6) Protection function: Through the detection of whether the passing vehicles on a certain road are overloaded, as well as reasonable traffic control, it has a good protection effect on the road section and reduces the workload of road maintenance workers.

(7) Safety function: Through the detection of vehicles at the checkpoint, the vehicle density in the rear section can be reduced, thereby reducing the incidence of traffic accidents and protecting the safety of drivers' lives and property.

(8) Automatic control function: After the rural road vehicle weight limit system is activated, the system can automatically detect passing vehicles and make corresponding response actions to the detection results, which saves a lot of manpower and material resources and improves the efficiency of the system. stability and efficiency.

Since the above is only a specific embodiment of the present invention, but the protection of the present invention is not limited thereto, any equivalent changes or substitutions of the technical features of the technical solution conceivable by those skilled in the art are covered by the protection of the present invention. within the scope of protection.

Claims (7)

1. a new rural village road vehicle freight weight limit system, comprises control system, the parameter detection module be electrically connected with control system, and the topworks controlled by control system, be is characterized in that:

Described new rural village road comprises the main stem being provided with vehicle weight limitation system, main stem is provided with roundabout track at vehicle weight limitation Operation system setting place, the two ends in roundabout track are connected with main stem respectively, and overweight vehicle is oppositely returned the main stem being provided with vehicle weight limitation system by roundabout track;

Described parameter detection module is provided with pressure transducer, infrared detection sensor, and described pressure transducer is divided into main stem pressure transducer, roundabout track pressure transducer;

Described topworks is provided with display device, warning device and roadblock; Warning device is provided with warning lamp, hummer, and warning lamp, hummer connect side by side; Roadblock is electrically connected with motor, and roadblock is driven by motor; Roadblock is provided with hand push button.

2. new rural village road vehicle freight weight limit system according to claim 1, is characterized in that: described control system is provided with system master switch, pressure transducer master switch, roadblock hand push button, limit switch; System master switch controls whole control system, pressure transducer master switch controls main stem pressure transducer, roundabout track pressure transducer, roadblock hand push button is divided into roadblock rising hand push button, roadblock decline hand push button, and control system controls the motion of driven by motor roadblock by limit switch.

3. new rural village road vehicle freight weight limit system according to claim 1, is characterized in that: the slave system that described control system comprises host computer system, controlled by host computer system.

4. new rural village road vehicle freight weight limit system according to claim 3, is characterized in that: described host computer system be provided with LOGO! 230RC is as master controller, and slave system is provided with 51 single-chip microcomputers as microcontroller, and master controller and microcontroller are electrically connected by communication module and intercom mutually.

5. new rural village road vehicle freight weight limit system according to claim 4, is characterized in that: described microcontroller is provided with power module, LED drive module, motor drive module, warning lamp driver module, warning driver module; Power module provides power supply for control system, master controller controls display device work by the LED drive module of microcontroller, master controller controls the work of driven by motor roadblock by the motor drive module of microcontroller, warning lamp driver module controls warning lamp work, and warning driver module controls hummer work.

6. new rural village road vehicle freight weight limit system according to claim 1, it is characterized in that: described control system is provided with vehicle identification module, vehicle identification module is provided with information of vehicles typing camera; Vehicle identification module and the wireless connections of information of vehicles control center, control center wirelessly intercoms mutually with information of vehicles.

7. the control method of the new rural village road vehicle freight weight limit system according to the arbitrary claim of claim 1-6, is characterized in that, comprise the following steps:

(1) overload testing process: when pressure transducer detects that pressure parameter exceedes a certain number, parameter is passed to control system, control system carries out computing to it respectively by inner logic control algorithm, result is exported to topworks by control system, completes by topworks the action and process that roadblock rises, LED display shows loaded information, warning lamp glimmers and alarm is sounded;

(2) overloaded vehicle and normal load vehicle shunting; Overloaded vehicle oppositely returns by roundabout track the main stem being provided with vehicle weight limitation system by warp after vehicle weight limitation system; Normal load vehicle shunting is by continuing to travel along main stem after vehicle weight limitation system;

(3) overload the testing process that detours: when infrared detecting sensor has detected that vehicle is through out-of-date, parameter is passed to control system, control system carries out computing to it respectively by inner control algolithm, result is exported to topworks by control system, completes by topworks the action and process that roadblock is fallen, LED display display welcome message, warning lamp stop flicker and alarm to stop ringing;

(4) urgent current process: control roadblock by hand push button, lifting roadblock can realize urgent current.