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  This system includes: Wireless ultrasonic detector, wireless base station, indicator light, display screen, and server software. Wireless ultrasonic detector: Using the principle of ultrasonic distance measurement, it accurately measures the reflection distance. The detector comes with a battery and is easy to install.     There are two main factors affecting the normal operation of the sensor. One is the wireless signal, and the other is the surrounding interference (dust and dirt). After the equipment is installed and operated, changes in the surrounding environment may cause shielding of the wireless signal, thereby reducing the reliability of communication or causing interruption. It may also cause the detector probe to not work properly. Therefore, maintenance personnel are required to inspect and maintain the site.

  The reverse car-finding system actually feeds information such as the license plate number, parking time and location to the background system. Car owners can quickly query the location of their vehicles by inputting information such as the license plate number or parking space number through the terminal query device. To avoid confusion and getting lost, the reverse car-finding system will also recommend an optimal route to guide car owners to the parking area. There is no need to wander around the parking lot like in a maze to find the car. People with poor sense of direction no longer have to worry about not being able to find the car for a long time after parking!     Compared with traditional parking lots, the introduction of the car-finding system has significantly improved the efficiency of entering and exiting the passage and the utilization rate of parking space resources. In the process of liberating manual labor and realizing intelligent management of vehicle parking and the construction of intelligence, this system has become an indispensable part.

  Sichuan Province is rich in world heritage resources, including natural heritages, cultural heritages, and mixed natural and cultural heritages. These world heritages are the treasures of Sichuan Province and even China, possessing important historical, cultural, and natural values. However, with the rapid development of the social economy and the acceleration of the urbanization process, the world heritages are facing many challenges, including environmental pollution, ecological damage, and tourism pressure. Therefore, strengthening the protection and management of world heritages is particularly important.   The adjusted competent department of world heritages will be responsible for comprehensively coordinating and arranging the protection and management work of the world heritages within Sichuan Province. They will organize the formulation of world heritage protection plans and measures, strengthen monitoring and evaluation work, and promote the rational utilization and sustainable development of the world heritages. At the same time, they will also strengthen cooperation and coordination with relevant departments to form a joint force and jointly promote the protection work of the world heritages.   To ensure the smooth progress of the adjustment work, the Sichuan Provincial Government will provide necessary support and guarantees. They will strengthen personnel training and technical support to enhance the professional capabilities and levels of the competent department of world heritages. At the same time, they will also increase the capital investment in the protection work of the world heritages to ensure the effective implementation of various protection and management measures.   A relevant person in charge of the Sichuan Provincial Department of Culture stated that adjusting the competent department of world heritages is a necessary measure to strengthen the protection work of world heritages. Through the adjustment of the competent department, we can better integrate resources, give play to advantages, form a joint force, and promote the protection work of the world heritages in Sichuan Province to a new level. At the same time, this will also inject new impetus into the development of the cultural and tourism industry in Sichuan Province and promote the sustainable development of the economy and society.   It is learned that the review work of the "Regulations of Sichuan Province on the Protection of World Heritages (Revised Draft)" is being carried out in an intense and orderly manner. Once it is reviewed and passed and officially implemented, it will provide strong legal protection and support for the protection work of the world heritages in Sichuan Province.

  This system is a set of intelligent parking space guidance and reverse vehicle search system independently developed and produced specifically for problems such as backward operation and management level of parking lots, difficulty for car owners to park and find their cars, congestion of vehicle traffic, slow turnover of parking spaces, and low utilization rate of parking spaces.

  Automation and Autonomous Driving: The popularity of autonomous driving technology will change the way parking lots are managed. Autonomous vehicles can find parking spaces through unmanned driving technology, and at the same time, parking lots will also introduce automated systems to guide vehicles in and out of the parking lot.     Intelligent Reservation and Navigation: Mobile phone applications will continue to develop, providing intelligent reservation and navigation services, allowing car owners to reserve parking spaces in advance and receive navigation guidance when arriving at the parking lot.

  At present, the construction of monitoring centers for expressways in various cities in China has been basically completed. At the same time, the real-time broadcast and release system of traffic information for urban expressways has been launched, and LED traffic guidance screens have become the main force for relieving traffic congestion and ensuring smooth traffic in major cities and expressways. What are the characteristics of the traffic guidance screen? High brightness, reasonable viewing angle design for different roads The release of road traffic information is mainly for road travelers. The viewing angle for expressways is 30 degrees and for urban roads is 70 degrees. The displayed content should be clearly visible when the surface of the display screen is directly exposed to sunlight. Therefore, a higher brightness is required. Under normal circumstances, the visual distance is required to be about 200m. The display colors are mainly red, green and yellow The release of traffic information is mainly for vehicle drivers. The staying time of moving vehicles within the visual distance is short. Therefore, it is necessary to avoid using complex multi-gray-scale graphics and animation content. The displayed content is mostly text and simple graphic signs. Considering the common colors of traffic sign signals, red, green and yellow display screens are adopted. The three colors can respectively display prohibited, indicated, suggested and warning information, etc. The brightness of the display screen is automatically adjustable The traffic guidance screen works 24 hours a day and the ambient illuminance changes greatly. It is necessary to ensure that the display screen is clearly visible at the maximum ambient illuminance during the day and avoid the "glare" phenomenon on rainy days and at night. The brightness of the screen needs to be automatically adjusted according to the ambient illuminance.  

Except for the power supply, all the devices are wired with Category 6 unshielded network cables. Among them, the head video terminal, parking space screen and car-finding query machine adopt TCP/IP protocol, and the head video terminal and other terminals of the loop are wired in a daisy chain. All the strong current (AC220) and weak current lines in the system must be wired and piped separately and independently. It is strictly prohibited to lay strong and weak current lines in the same pipe. The AC220V power supply of the manager must be grounded and ensure that the equipment is reliably grounded. Otherwise, it may cause the line to be disturbed and unable to communicate normally.

   The parking charging system is a temporary parking lot automatic charging management system designed based on video detection and license plate automatic recognition technology. This system can realize the functions of self-service payment, intelligent timing, and multiple payment methods for parking lots or roadside parking. In addition, it also has functions such as automatic card taking, charge display, voice prompt, video intercom, and image comparison.

  The traffic guidance screen adopts high-end lamp beads and customized kits, and provides products of better quality with a more professional perspective. The product design ensures that the structure of the product is designed from the perspective of product quality, and the deviation of the hole positions and the accuracy of the module fixed to the box must be strictly considered. In close contact with the lamp tube, it plays a further fixation role. It must have a certain strength to protect the lamp tube from impact; it has a very good optical design to minimize sunlight reflection and improve contrast. Due to cost pressure, the common version modules currently widely used in the market, the PC plastic kits will be mixed with a lot of fillers, nozzle materials or doped nozzle materials. The flatness is not enough, the lamp tube and the module mask are seriously mismatched, and the height deviation of the module and the fastening screw force are different and the strength is not enough, resulting in a "mosaic" phenomenon. A typical intuitive phenomenon is that after a period of use, due to thermal expansion and contraction, the hole positions of the plastic parts burst, resulting in a "mosaic" phenomenon

Highlights of outdoor geomagnetic detectors:   Simple installation and maintenance, strong anti-interference ability: Wireless geomagnetic sensors do not need to be buried by drilling and breaking the ground, but are directly and firmly adhered to the surface, avoiding damage to the ground, shortening the construction period, saving costs, and not being interfered by external electromagnetic waves. It can be used normally in thunderstorms and has excellent waterproof performance and can work all day.  

  The intelligent roadside parking space system mainly calculates the parking duration of vehicles by installing geomagnetic sensors to achieve accurate charging. After the vehicle enters the parking space, the geomagnetic device senses it and transmits it to the data platform through the sensor. The parking time can be accurate to the second, which will effectively improve the utilization efficiency of parking spaces.    The architecture of the intelligent roadside parking space system: 1. A geomagnet is buried in the center of the parking space. When a vehicle is parked in the corresponding parking space, the geomagnet buried in the parking space can sense whether there is a vehicle parked through the earth's magnetic field. 2. After the vehicle is parked stably, the geomagnet will send the signal to the geomagnet gateway set at an appropriate location. After receiving the signal, the geomagnet gateway will send this signal to the cloud platform. The signal received by the platform will be sent to the administrator's handheld device by wireless transmission. Based on the received information, the administrator can know whether the corresponding parking space is occupied. 3. The administrator uses the handheld device to capture the vehicle information. The captured information will also be fed back to the cloud platform at the same time, and the platform will start to record and monitor the vehicle charging information in real time. 4. When the vehicle leaves, the vehicle owner can pay the fee through the mobile phone APP by himself/herself or face-to-face with the administrator. At the same time, the administrator's handheld device will also send the corresponding information to the platform, and the relevant information can be traced sub

Performance advantages: Industrial-grade design, adaptable to various environments, stable and reliable; Convenient for installation, commissioning, maintenance, and with high detection accuracy; Real-time monitoring and output within the alarm distance; Functional features: Industrial-grade design, simple for installation and commissioning, convenient for maintenance, and with high measurement accuracy; Industrial-grade design, simple for installation and commissioning, convenient for maintenance, and with high measurement accuracy;