Auxiliary crossing tunnel meeting signal lamp control method and system
By accurately installing sensors and signal lights and adjusting the signal system logic according to the vehicle sequence, the problem of insufficient precise control and low intelligence of auxiliary traffic tunnel signal light control technology is solved, and efficient and environmentally friendly traffic signal control is achieved.
Patent Information
- Application Number
- CN202411620076.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-02-18
AI Technical Summary
The existing intelligent traffic signal control technology has insufficient precise control, low degree of intelligence, and poor environmental performance, making it difficult to achieve accurate, intelligent and environmentally friendly control of auxiliary traffic signal lights.
By moving the sensor and signal light to the corresponding position, installing control cabinets, laying cables, testing the action reaction of the signal lights, adjusting the signal system logic according to the order of entering and leaving the vehicle, quality acceptance of the system installation, and system debugging.
It improves the accuracy and reliability of the signal light control system, enhances the adaptability and flexibility of the system, optimizes traffic fluency, reduces traffic accident risks, and reduces maintenance costs.
Smart Images
Figure CN119479352A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of intelligent traffic signal control, and in particular to a method and system for controlling a meeting signal light at an auxiliary intersection. Background Art
[0002] In today's society, the improvement and intelligent management of transportation infrastructure are of great significance to alleviating urban traffic pressure and improving road traffic efficiency, especially in traffic hubs such as auxiliary interchanges. The control method of oncoming signal lights is directly related to traffic smoothness and driving safety. For a long time, traffic signal control technology has undergone a development process from simple timing control to intelligent control based on vehicle detection. Early signal light control systems mainly relied on switching signals at fixed time intervals. Although this method is simple and easy, it cannot adapt to real-time changes in traffic flow, resulting in low traffic efficiency. With the development of sensor technology and automatic control technology, the existing oncoming signal light control system in auxiliary interchanges has gradually adopted technology based on vehicle detection, which uses sensors to monitor vehicle flow and queue length in real time to dynamically adjust the switching of signal lights.
[0003] However, although these technologies have improved the level of intelligence in traffic management to a certain extent, there are still many deficiencies in practical applications. In the existing auxiliary intersection signal light control system, the layout of sensors and signal lights is often not optimized enough, resulting in inaccurate recognition of the order of vehicle entry and exit, which in turn affects the response speed and accuracy of the signal light control system. This layout deficiency makes it difficult for the system to effectively alleviate traffic congestion during peak hours. The existing signal system logic adjustment mostly relies on manual experience and lacks the ability of self-adaptation and self-learning. This adjustment method is often difficult to achieve the best control effect when facing complex and changeable traffic conditions, and cannot realize the intelligence and automation of signal light control. Thirdly, during the installation and debugging of the system, there is a lack of a complete and strict set of quality acceptance standards, which may lead to instability and unreliability of the system in actual operation. This not only affects the traffic order, but also may bring safety hazards. The existing auxiliary intersection meeting signal light control system also has certain shortcomings in energy consumption and environmental impact. Due to the inaccurate control of the signal light, unnecessary vehicle waiting and idling may occur, increasing energy consumption and exhaust emissions. Therefore, how to optimize the auxiliary intersection meeting signal light control method through technological innovation and improve the overall efficiency and environmental performance of the transportation system has become an urgent problem to be solved in the current intelligent transportation field. Summary of the invention
[0004] In view of the above-mentioned problems, the present invention is proposed.
[0005] Therefore, the technical problem solved by the present invention is: the existing intelligent traffic signal control technical methods have insufficient precise control, low intelligence, and poor environmental performance, as well as the problem of how to achieve precise, intelligent, and environmentally friendly control of auxiliary intersection meeting signal lights.
[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a method for controlling auxiliary intersection signal lights, comprising moving sensors and signal lights to corresponding positions and installing a control cabinet and laying cables; testing the action response of the signal lights and adjusting the signal system logic according to the order of vehicles entering and exiting; conducting quality acceptance of the system installation and system debugging.
[0007] As a preferred solution of the auxiliary intersection meeting signal light control method described in the present invention, the moving of sensors and signal lights to corresponding positions and installing a control cabinet includes moving the sensors and signal lights to predetermined positions according to position parameters in the design drawings, and firmly installing them to the designated positions using fixing devices.
[0008] Installing the control cabinet includes connecting the control cabinet with all sensors and signal lights in an orderly manner, and strictly following relevant specifications during the wiring process. 4X2.5 cables and 4X1.5 cables are used to connect 220V signal lights and 24V sensors respectively. After the installation is completed, all laid cables are marked, including marking the cable number, model, starting point and end point information at the cable terminals and joints.
[0009] As a preferred solution of the auxiliary intersection meeting signal light control method described in the present invention, the cable laying includes fixing the cable laying process and wiring, the external cable is laid in a preset cable tray, and each cable is equipped with a sign at both ends to indicate the cable number and the starting and ending points. Before the cable is connected, strictly check whether the access port meets the requirements of the drawings, and use fire-proof mud for fire-proof sealing at each inlet and outlet position. After wiring, the components in the cabinet are doubly marked.
[0010] As a preferred solution of the auxiliary intersection meeting signal light control method described in the present invention, the test signal light's action response includes single-direction vehicle and two-way vehicle driving tests. First, the signal light of a vehicle from the entrance to the exit of the auxiliary intersection is tested to see whether it operates normally. If it is found during the test that the signal light does not respond as required, the sensor and signal light power supply or wiring cable are immediately checked, and the system logic is optimized until the signal light achieves normal traffic flow control. The system triggers the corresponding signal light changes according to the set logic and the sensor detection signal of the vehicle entering and exiting. When the variable value is ≥1, the signal light displays red, and when the variable value = 0, the signal light goes out.
[0011] As a preferred solution of the auxiliary intersection meeting signal light control method described in the present invention, wherein: the signal system logic includes controlling the display of the signal light status based on the sensor detection results of the in-and-out vehicles, including dynamically identifying the vehicle in-and-out directions of the four road sections, defining the number of vehicles according to the in-and-out directions as eight integer variables greater than or equal to 0, the in-plant direction includes A1, A2, A3, A4, and the out-plant direction includes B1, B2, B3, B4, each variable value represents the number of vehicles in the road section, and controls the on and off of the signal light, C1 to C10 are sensor installation positions, and define A1=0, A2=0, A3=0, A4=0, B1=0, B2=0, B3=0, B4=0, when the vehicle is traveling in the direction of entering the factory, when passing through C1C2 in sequence, A1=A 1+1, when the sequence passes through C3C4, A1=A1-1, A2=A2+1, when the sequence passes through C5C6, A2=A2-1, A3=A3+1, when the sequence passes through C7C8, A3=A3-1, A4=A4+1, when the sequence passes through C9C10, A4=A4-1, when the vehicle is traveling in the factory direction, when the sequence passes through C10C9, B4=B4+1, when the sequence passes through C8C7, B4=B4-1, B3=B3+1, when the sequence passes through C6C5, B3=B3-1, B2=B2+1, when the sequence passes through C4C3, B2=B2-1, B1=B1+1, when the sequence passes through B2B1, B1=B1-1, when the variable=0, the traffic light is off, when the variable≥1, the traffic light is red.
[0012] As a preferred solution of the auxiliary intersection meeting signal light control method described in the present invention, the quality acceptance of the system installation includes equipment inspection and label inspection, the equipment inspection includes detailed verification of the equipment appearance, sanitary condition, equipment model and wiring condition, checking whether the connecting bolts between the automatic control cabinet and other equipment are firm and not loose, ensuring that the equipment is installed without shaking, checking the hygiene and appearance of the equipment, and confirming that there is no appearance damage such as scratches, dents and cracks.
[0013] The identification check is based on the accuracy and completeness of the equipment identification to confirm that the equipment number and drawing identification are consistent.
[0014] As a preferred solution of the auxiliary intersection meeting signal light control method described in the present invention, the system debugging includes the application of multimeter testing and system optimization methods. When an abnormal operation occurs in the signal light system, the power supply and connecting cables of the sensor and the signal light are first tested, including whether there are breakpoints in the circuit, whether the voltage at the connection point is normal, and whether the ground wire is unobstructed. After all physical connections have been checked and found to be correct, the signal light control program is optimized, and the test includes the simulation of the entry and exit of multiple vehicles.
[0015] Another object of the present invention is to provide an auxiliary intersection meeting signal light control system, which can adjust the signal system logic according to the order of entering and exiting vehicles by testing the action response of the signal light, thereby solving the problems of inflexible signal light response and rigid system logic in current intelligent traffic signal control technology.
[0016] As a preferred solution of the auxiliary intersection meeting signal light control system described in the present invention, it includes: a sensor deployment module, a signal light adjustment module, and a system acceptance and debugging module.
[0017] The sensor deployment module is used to move the sensors and signal lights to the corresponding positions and install the control cabinet and lay the cables; the signal light adjustment module is used to test the action response of the signal lights and adjust the signal system logic according to the order of entering and exiting vehicles; the system acceptance and debugging module is used to perform quality acceptance of the system installation and perform system debugging.
[0018] A computer device comprises a memory and a processor, wherein the memory stores a computer program, and the processor executes the computer program to implement the steps of a method for controlling a meeting signal light at an auxiliary intersection.
[0019] A computer-readable storage medium stores a computer program, which, when executed by a processor, implements the steps of a method for controlling a meeting signal light at an auxiliary intersection.
[0020] The beneficial effects of the present invention are as follows: the auxiliary intersection meeting signal light control method provided by the present invention moves the sensor and signal light to the corresponding position and installs the control cabinet and lays the cables, thereby ensuring the precise installation of the sensor and signal light and improving the accuracy and reliability of the system. The use of the fixing device ensures the stability of the equipment in a complex environment, thereby reducing the false alarm or signal failure caused by the displacement of the equipment. The maintenance and troubleshooting process is simplified by orderly connecting and marking the cables, thereby improving the installation quality and operation efficiency of the system. The action response of the signal light is tested, and the signal system logic is adjusted according to the order of vehicles entering and exiting, thereby ensuring that the signal light system can make a correct response according to the real-time traffic conditions. The driving tests of single-direction vehicles and two-way vehicles enable the system to work stably in a variety of traffic scenarios, timely discover and solve the problem that the signal light does not respond as required, thereby improving the adaptability and flexibility of the signal light control system, improving traffic smoothness and reducing the risk of traffic accidents, performing quality acceptance on the system installation, and performing system debugging to ensure that the performance and reliability of the entire signal light control system meet the expected standards. The process of equipment inspection and identification inspection ensures that all equipment is correctly installed, firmly connected, and easy to identify and maintain. The application of multimeter testing and system optimization methods in system debugging further ensures the stable operation of the signal light control system, improves the overall performance of the system, extends the service life of the system, and reduces maintenance costs. The present invention has achieved better results in improving traffic control efficiency, optimizing driving safety, and enhancing the convenience of system maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.
[0022] Figure 1 The present invention provides an overall flow chart of a method for controlling a meeting signal light in an auxiliary intersection according to a first embodiment of the present invention.
[0023] Figure 2 A diagram of an auxiliary intersection meeting signal light system for a method for controlling an auxiliary intersection meeting signal light provided in a first embodiment of the present invention.
[0024] Figure 3 This is an overall flow chart of a control system for auxiliary intersection meeting signal lights provided in the third embodiment of the present invention. DETAILED DESCRIPTION
[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the drawings of the specification. Obviously, the described embodiments are part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary persons in the art without creative work should fall within the scope of protection of the present invention.
[0026] Example 1, reference Figure 1-Figure 2 , as an embodiment of the present invention, provides a method for controlling a signal light for meeting vehicles in an auxiliary intersection, comprising:
[0027] S1: Move the sensors and signal lights to the corresponding positions, install the control cabinet, and lay the cables.
[0028] Furthermore, moving the sensor and the signal light to the corresponding position and installing the control cabinet includes moving the sensor and the signal light to the predetermined position according to the position parameters in the design drawing, and firmly installing them to the designated position using a fixing device.
[0029] Installing the control cabinet includes connecting the control cabinet with all sensors and signal lights in an orderly manner, and strictly following relevant specifications during the wiring process. 4X2.5 cables and 4X1.5 cables are used to connect 220V signal lights and 24V sensors respectively. After the installation is completed, all laid cables are marked, including marking the cable number, model, starting point and end point information at the cable terminals and joints.
[0030] It should be noted that laying cables includes fixing the laying process and wiring of cables. External cables are laid in preset cable trays. Both ends of each cable are equipped with nameplates to indicate the cable number and starting and ending points. Before wiring the cables, strictly check whether the access ports meet the requirements of the drawings, and use fire-proof mud for fire-proof sealing at each inlet and outlet. After wiring, double-mark the components in the cabinet.
[0031] It should also be noted that when installing the sensors, high-precision laser measurement tools are used for positioning to ensure that the distance error between the sensors is less than 5 cm. The operator uses a laser rangefinder to measure at the predetermined installation point, and then uses a laser level to adjust the verticality and horizontal angle of the sensor to ensure the accuracy of the detection. For the installation of signal lights, an angle adjustment device is equipped to allow on-site staff to make adjustments according to actual lighting conditions. The staff first tests them during the day and at night, and fine-tunes the illumination angle of the signal lights through the angle adjustment device to maximize visibility and minimize glare. During the adjustment process, the staff can choose LED signal lights with anti-glare design and select the appropriate illumination mode in the software to adapt to different lighting conditions. In case of low visibility weather such as fog, the anti-fog treatment and brightness compensation functions of the signal lights will be enabled. After all adjustments are completed, the illumination effect is tested by simulating vehicle driving and observing the visibility of the signal lights to ensure the precise installation of sensors and signal lights and the optimization of lighting effects.
[0032] It should also be noted that through precise measurement and positioning, sensors can accurately capture vehicle movement information, while traffic lights can clearly convey traffic signals to drivers, improving the accuracy of traffic monitoring and reducing false detection and signal delays caused by improper equipment location. The installation of the control cabinet provides a stable power and signal processing center for traffic lights and sensors, ensuring the stable operation of the system in complex environments. The orderly laying and marking of cables facilitates future maintenance work, reduces the difficulty and time cost of maintenance caused by line confusion, realizes efficient operation of the system, reduces traffic delays, improves road capacity, improves overall traffic smoothness, and reduces the probability of traffic accidents.
[0033] S2: Test the action response of the traffic lights and adjust the signal system logic according to the order of vehicles entering and exiting.
[0034] Furthermore, the test of the action response of the traffic lights includes single-direction vehicle and two-way vehicle driving tests. First, the traffic light of a vehicle from the entrance to the exit of the auxiliary tunnel is tested to see whether it operates normally. If the test finds that the traffic light does not respond as required, immediately check the sensor and traffic light power supply or wiring cable, and optimize the system logic until the traffic light achieves normal traffic flow control. The system triggers the corresponding traffic light changes according to the set logic and the sensor detection signal of the vehicle entering and exiting. When the variable value is ≥1, the traffic light displays red, and when the variable value = 0, the traffic light goes out.
[0035] It should be noted that the signal system logic includes the control of the display of the signal light status based on the sensor detection results of the vehicles entering and leaving the road, including the dynamic identification of the vehicle entry and exit directions of the four sections of the road, and the number of vehicles is defined as eight integer variables greater than or equal to 0 according to the entry and exit directions. The entry directions include A1, A2, A3, and A4, and the exit directions include B1, B2, B3, and B4. Each variable value represents the number of vehicles in the road section and controls the on and off of the signal light. Figure 2 The auxiliary intersection signal light system diagram, C1 to C10 are the sensor installation positions, define A1=0, A2=0, A3=0, A4=0, B1=0, B2=0, B3=0, B4=0, when the vehicle is traveling in the direction of entering the factory, when passing through C1C2 in sequence, A1=A1+1, when passing through C3C4 in sequence, A1=A1-1, A2=A2+1, when passing through C5C6 in sequence, A2=A2-1, A3=A3+1, when passing through C7C8 in sequence, A3=A3-1, A4=A4+ 1. When passing C9C10 in sequence, A4=A4-1, the vehicle is traveling in the direction of leaving the factory. When passing C10C9 in sequence, B4=B4+1. When passing C8C7 in sequence, B4=B4-1, B3=B3+1. When passing C6C5 in sequence, B3=B3-1, B2=B2+1. When passing C4C3 in sequence, B2=B2-1, B1=B1+1. When passing B2B1 in sequence, B1=B1-1. When the variable=0, the traffic light is off. When the variable≥1, the traffic light is red.
[0036] It should also be noted that the signal system logic adjustment will integrate a real-time data feedback mechanism, which will collect vehicle passing time data in real time through sensors installed at the entrances and exits of the auxiliary tunnels. These data will be transmitted to the central processing unit, where the machine learning algorithm running will analyze the traffic flow pattern and dynamically adjust the switching time of the traffic lights. The optimization process involves analyzing historical data to predict future traffic flow changes, and then adjust the display time of green and red lights to reduce waiting time and improve traffic smoothness. The system self-diagnosis function is achieved by periodically performing hardware self-tests and software checks. If an abnormality is detected, such as delayed sensor response or insufficient signal light brightness, the system will automatically record the fault code and activate the alarm, and display specific error information and possible causes of the fault on the control panel. The system will also automatically try to restart related components or switch to the backup system to ensure the continuity of signal light control. Operators can receive diagnostic reports through the control interface and repair or replace faulty parts according to the instructions in the report.
[0037] It should also be noted that by simulating various situations of vehicles passing through auxiliary interchanges and testing the action and response of traffic lights, possible problems with the response time, brightness, color display, etc. of traffic lights can be discovered and corrected in a timely manner. This not only ensures that the traffic lights can be clearly identified by drivers under various environmental conditions, but also ensures that the traffic lights can be automatically adjusted according to real-time traffic flow, thereby optimizing the signal control strategy and adjusting the signal system logic according to the order of vehicles entering and exiting, effectively avoiding traffic congestion, reducing vehicle waiting time, and improving road utilization. Dynamic logic adjustment can automatically adjust the signal cycle during peak traffic hours to adapt to different traffic needs, further improving the level of intelligence in traffic management, improving the flexibility and efficiency of traffic signals, reducing traffic delays, and improving driver satisfaction, and providing support for creating a safer and more efficient traffic environment.
[0038] S3: Conduct quality inspection on system installation and perform system debugging.
[0039] Furthermore, the quality acceptance of system installation includes equipment inspection and label inspection. Equipment inspection includes detailed verification of equipment appearance, sanitary conditions, equipment model and wiring conditions, checking whether the connecting bolts between the automatic control cabinet and other equipment are firm and not loose, ensuring that the equipment is installed without shaking, checking the hygiene and appearance of the equipment, and confirming that there is no external damage such as scratches, dents and cracks.
[0040] The identification check is based on the accuracy and completeness of the equipment identification to confirm that the equipment number and drawing identification are consistent.
[0041] It should be noted that system debugging includes the application of multimeter testing and system optimization methods. When the traffic light system malfunctions abnormally, the power supply and connecting cables of the sensor and traffic light are first tested, including whether there are breakpoints in the circuit, whether the voltage at the connection point is normal, and whether the ground wire is unobstructed. After all physical connections have been checked, the traffic light control program is optimized. The test includes the simulation of multiple vehicles entering and exiting.
[0042] It should also be noted that during the quality acceptance process, the remote monitoring system will capture every step of the installation and commissioning in real time, and compare it with the preset standard operating procedures to ensure that the key steps such as the installation location of sensors and signal lights, cable laying, and signal system logic adjustment meet the established specifications. The acceptance team, composed of traffic engineers, electronic technology experts and project managers, will evaluate the system's response time, signal light brightness, sensor sensitivity and other performance indicators based on monitoring data and technical specifications. During the acceptance process, if any deviation from the standard operating procedures is found, an alarm will be immediately issued through the monitoring system and corrected by on-site technicians. After the acceptance is completed, a detailed acceptance report will be prepared, which will include detailed results of the system test, records of any non-conformities, corrective measures taken, a summary of the evaluation of system performance, and improvement suggestions based on test data. At the same time, the report will also provide a follow-up maintenance plan, including regular inspections, preventive maintenance measures and emergency fault response processes to ensure the long-term stable operation of the system.
[0043] It should also be noted that through the comprehensive evaluation of the acceptance team, including traffic engineers, electronic technology experts and project managers, it was ensured that every component of the system met the design specifications and technical standards. The strict inspection during the acceptance process, including the accuracy of equipment installation, the reliability of cable connections, the brightness and color temperature of signal lights, etc., ensured the high performance of the system in actual operation. System debugging is a comprehensive test of the entire control system. By simulating different traffic scenarios, the system's response capabilities to emergencies and effective management of regular traffic flows are tested. It not only ensures the optimal state of the system when it is delivered for use, but also improves the adaptability and robustness of the system through optimization during the debugging process. A detailed acceptance report is provided, including test results, improvement suggestions and subsequent maintenance plans, which provides a valuable reference for the long-term maintenance and management of the system, helps to reduce future maintenance costs, extend the service life of the system, and improve the overall reliability and operation efficiency of the traffic signal control system.
[0044] Embodiment 2 is an embodiment of the present invention, which provides a method for controlling a signal light for meeting vehicles in an auxiliary intersection. In order to verify the beneficial effects of the present invention, scientific demonstration is carried out through economic benefit calculation and simulation experiments.
[0045] First, according to the design drawings, the sensors and signal lights are accurately moved to the predetermined positions, and high-precision laser measuring tools are used for positioning to ensure that the distance error between the sensors is less than 5 cm. The operator uses a laser rangefinder to measure at the predetermined installation point, and then uses a laser level to adjust the verticality and horizontal angle of the sensor to ensure the accuracy of the detection. The control cabinet is installed, and all sensors and signal lights are connected in order. During the wiring process, 4X2.5 cables and 4X1.5 cables are selected to connect the 220V signal lights and 24V sensors respectively in strict accordance with relevant specifications. After the installation is completed, all laid cables are marked in detail, including marking the cable number, model, starting point and end point information at the cable terminals and joints to ensure the clarity and traceability of the cables. For the installation of signal lights, angle adjustment devices are specially equipped to allow on-site staff to Adjustments are made based on actual lighting conditions. The staff first tests the lights during the day and at night, and fine-tunes the angle of illumination of the lights through the angle adjustment device to maximize visibility and minimize glare. During the adjustment process, the staff selected LED lights with anti-glare design and selected appropriate illumination modes in the software to adapt to different lighting conditions. In case of low visibility weather such as fog, the anti-fog treatment and brightness compensation functions of the lights will be enabled. After all adjustments are completed, the illumination effect is tested by simulating vehicle driving and observing the visibility of the lights to ensure accurate installation of sensors and lights and optimization of lighting effects. Through precise measurement and positioning, the sensors can accurately capture the movement information of the vehicles, while the lights can clearly convey traffic signals to the drivers, improving the accuracy of traffic monitoring and reducing false detection and signal delays caused by improper equipment location. The installation of the control cabinet provides a stable power and signal processing center for signal lights and sensors, ensuring the stable operation of the system in a complex environment. The orderly laying and marking of cables facilitates future maintenance work, reduces the difficulty and time cost of maintenance caused by line chaos, realizes efficient operation of the system, reduces traffic delays, improves the road's traffic capacity, enhances overall traffic smoothness, and reduces the probability of traffic accidents. In summary, the present invention improves the operability and reliability of the system, and provides strong support for creating a safer and more efficient traffic environment.
[0046] Example 3, reference Figure 3 , which is an embodiment of the present invention, provides an auxiliary intersection meeting signal light control system, including a sensor deployment module, a signal light adjustment module, and a system acceptance and debugging module.
[0047] The sensor layout module is used to move sensors and signal lights to corresponding positions, install control cabinets, and lay cables; the signal light adjustment module is used to test the action response of signal lights and adjust the signal system logic according to the sequence of vehicles entering and exiting; the system acceptance and debugging module is used to conduct quality acceptance of system installation and perform system debugging.
[0048] If the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods of each embodiment of the present invention. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), disk or optical disk, etc. Various media that can store program codes.
[0049] The logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as an ordered list of executable instructions for implementing logical functions, and can be embodied in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in conjunction with such instruction execution systems, devices or apparatuses. For the purposes of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in conjunction with such instruction execution systems, devices or apparatuses.
[0050] More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection with one or more wires (electronic device), a portable computer disk case (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be a paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, deciphering, or processing in another suitable manner as necessary, and then stored in a computer memory.
[0051] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc. It should be noted that the above embodiments are only used to illustrate the technical solution of the present invention and are not limited. Although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.
[0052] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.
Claims
1. A method for controlling a signal light for an auxiliary intersection, characterized in that: include: Move sensors and signal lights to corresponding locations, install control cabinets, and lay cables; Test the action and response of the signal lights and adjust the signal system logic according to the order of vehicles entering and leaving; Conduct quality inspection on system installation and carry out system debugging.
2. The auxiliary intersection meeting signal light control method according to claim 1, characterized in that: The step of moving the sensor and the signal light to the corresponding position and installing the control cabinet includes moving the sensor and the signal light to the predetermined position according to the position parameters in the design drawing, and firmly installing them to the designated position using a fixing device; Installing the control cabinet includes connecting the control cabinet with all sensors and signal lights in an orderly manner, and strictly following relevant specifications during the wiring process. 4X2.5 cables and 4X1.5 cables are used to connect 220V signal lights and 24V sensors respectively. After the installation is completed, all laid cables are marked, including marking the cable number, model, starting point and end point information at the cable terminals and joints.
3. The auxiliary intersection meeting signal light control method according to claim 2, characterized in that: The cable laying includes fixing the cable laying process and wiring. The external cables are laid in the preset cable tray. Each cable is equipped with a sign at both ends to indicate the cable number and the starting and ending points. Before the cable is connected, strictly check whether the access port meets the requirements of the drawings, and use fire-proof mud to seal each inlet and outlet. After wiring, the components in the cabinet are doubly marked.
4. The auxiliary intersection meeting signal light control method according to claim 3, characterized in that: The test signal light's action response includes single-direction vehicle and two-way vehicle driving tests. First, test whether the signal light of a vehicle from the entrance to the exit of the auxiliary tunnel operates normally. If it is found during the test that the signal light does not respond as required, immediately check the sensor and signal light power supply or wiring cable, and optimize the system logic until the signal light achieves normal traffic flow control. The system triggers the corresponding signal light changes according to the set logic and the sensor detection signal of the vehicle entering and exiting. When the variable value is ≥1, the signal light displays red, and when the variable value =0, the signal light goes out.
5. The auxiliary intersection meeting signal light control method according to claim 4, characterized in that: The signal system logic includes controlling the display of the signal light status based on the sensor detection results of the vehicles entering and leaving the factory, including dynamically identifying the vehicle entry and exit directions of the four road sections, defining the number of vehicles as eight integer variables greater than or equal to 0 according to the entry and exit directions, the factory entry direction includes A1, A2, A3, A4, the factory exit direction includes B1, B2, B3, B4, each variable value represents the number of vehicles in the road section, and controls the on and off of the signal light, C1 to C10 are sensor installation positions, defining A1=0, A2=0, A3=0, A4=0, B1=0, B2=0, B3=0, B4=0, when the vehicle is traveling in the factory entry direction, when passing through C1C2 in sequence, A1=A1+1, when passing through C3C4 in sequence, A 1=A1-1, A2=A2+1, when passing C5C6 in sequence, A2=A2-1, A3=A3+1, when passing C7C8 in sequence, A3=A3-1, A4=A4+1, when passing C9C10 in sequence, A4=A4-1, when the vehicle is traveling in the factory direction, when passing C10C9 in sequence, B4=B4+1, when passing C8C7 in sequence, B4=B4-1, B3=B3+1, when passing C6C5 in sequence, B3=B3-1, B2=B2+1, when passing C4C3 in sequence, B2=B2-1, B1=B1+1, when passing B2B1 in sequence, B1=B1-1, when the variable=0, the traffic light is off, when the variable≥1, the traffic light is red.
6. The auxiliary intersection meeting signal light control method according to claim 5, characterized in that: The quality acceptance of system installation includes equipment inspection and label inspection. Equipment inspection includes detailed verification of equipment appearance, sanitary condition, equipment model and wiring condition, checking whether the connecting bolts between the automatic control cabinet and other equipment are firm and not loose, ensuring that the equipment is installed without shaking, checking the hygiene and appearance of the equipment, and confirming that there are no scratches, dents and cracks; The identification check is based on the accuracy and completeness of the equipment identification to confirm that the equipment number and drawing identification are consistent.
7. The auxiliary intersection meeting signal light control method according to claim 6, characterized in that: The system debugging includes the application of multimeter testing and system optimization methods. When the traffic light system malfunctions, the power supply and connecting cables of the sensor and the traffic light are first tested, including whether there are breakpoints in the circuit, whether the voltage at the connection point is normal, and whether the ground wire is unobstructed. After all physical connections have been checked, the traffic light control program is optimized. The test includes the simulation of multiple vehicles entering and exiting.
8. A system using the auxiliary intersection meeting signal light control method as claimed in any one of claims 1 to 7, characterized in that: Including sensor deployment module, signal light adjustment module, system acceptance and debugging module; The sensor layout module is used to move sensors and signal lights to corresponding positions and install control cabinets and lay cables; The signal light adjustment module is used to test the action response of the signal light and adjust the signal system logic according to the order of vehicles entering and leaving; The system acceptance and debugging module is used to perform quality acceptance on system installation and to perform system debugging.
9. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the steps of the auxiliary intersection meeting signal light control method according to any one of claims 1 to 7 are implemented.
10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the auxiliary intersection meeting signal light control method according to any one of claims 1 to 7 are implemented.