"Let's see it more clearly", which is already a very urgent demand put forward by many users when using digital video surveillance systems. From the point of view of users, 90% of users think that the resolution of video is actually more important than real-time preview. Affected by various objective factors, security personnel cannot obtain important video information at the first time, and quick query of post-event video is required. And the quality of clear playback is even more important. At present, the horizontal resolution of the analog camera has reached a limit. The 650-line color camera and the 700-line black and white camera are the highest resolution that the analog camera can achieve. For high-definition cameras, the horizontal resolution of 700 lines is very easy, and reaching 1000 lines of video resolution is not difficult.
High-definition video surveillance system brings high definition and sharpness, but also brings a series of real problems, because: Although the front-end camera equipment can meet high-definition, but the front-end "high-definition" does not represent the entire video surveillance system "HD "Because of the doubling of the amount of front-end video information, it will surely bring greater changes to the video encoding, transmission, and storage systems. Because the HD video surveillance system is a system solution, it cannot be represented by a high-definition video camera. At the same time, it will also bring about the growth of demand for computing, transmission, exchange, and storage and technological change in the entire industry chain. The real high-definition monitoring system should consider high-definition from the entire monitoring system, including front-end video source acquisition, video signal encoding and compression, video signal transmission, video browsing, video file playback and other aspects of full support for high-definition monitoring.
For users, HD only makes sense when it includes front-end, platform, storage, browsing, and display. In the process of high-speed rail video surveillance system migration to high-definition, it also faces similar problems. The larger the video resolution and the higher the resolution, the greater the code stream when data is transmitted, which increases the network bandwidth pressure. At the same time, the doubling of data traffic increases the amount of data storage. Taking 720P as an example, the video stream at 25 frames/second is between 500K and 3Mbps, and the storage space per hour is about 1G-2G, regardless of the storage pressure. The cost is still huge in terms of space. In addition, the requirements for central control, management software and hardware performance of high-definition video have also exponentially increased. The same is true for the management of the video image recording and post-analysis workload. These problems are the application of high-definition video surveillance systems in high-speed railways. The problem that must be solved.
High-definition video surveillance system brings high definition and sharpness, but also brings a series of real problems, because: Although the front-end camera equipment can meet high-definition, but the front-end "high-definition" does not represent the entire video surveillance system "HD "Because of the doubling of the amount of front-end video information, it will surely bring greater changes to the video encoding, transmission, and storage systems. Because the HD video surveillance system is a system solution, it cannot be represented by a high-definition video camera. At the same time, it will also bring about the growth of demand for computing, transmission, exchange, and storage and technological change in the entire industry chain. The real high-definition monitoring system should consider high-definition from the entire monitoring system, including front-end video source acquisition, video signal encoding and compression, video signal transmission, video browsing, video file playback and other aspects of full support for high-definition monitoring.
For users, HD only makes sense when it includes front-end, platform, storage, browsing, and display. In the process of high-speed rail video surveillance system migration to high-definition, it also faces similar problems. The larger the video resolution and the higher the resolution, the greater the code stream when data is transmitted, which increases the network bandwidth pressure. At the same time, the doubling of data traffic increases the amount of data storage. Taking 720P as an example, the video stream at 25 frames/second is between 500K and 3Mbps, and the storage space per hour is about 1G-2G, regardless of the storage pressure. The cost is still huge in terms of space. In addition, the requirements for central control, management software and hardware performance of high-definition video have also exponentially increased. The same is true for the management of the video image recording and post-analysis workload. These problems are the application of high-definition video surveillance systems in high-speed railways. The problem that must be solved.
Led solar wall lights have the following advantages:
1. Definition of solar wall light
The led solar wall lihgt is a kind of lamp that utilizes solar energy to generate electricity, store energy, use electricity and lighting, and has a fully automatic control system. It is no different from the traditional wall lamp in appearance, and also includes basic structures such as lampshade, light bulb, base, etc., but in addition to these, it also includes important components such as solar cell components and automatic controllers.2. Working principle of led solar wall light
In addition to the components of traditional wall lights, solar led wall lights also have components that traditional wall lights do not have, such as solar panels, controllers, and batteries. Its specific working principle is as follows: during the day, when the sun shines on the solar cell, the solar panel will convert the thermal energy generated by the light radiation into electrical energy, and the battery will be charged and stored through the charge controller. When the night comes, the controller will control the discharge of the battery to meet the needs of night lighting.
3. Features of solar powered led wall light
1. The primary feature of the solar wall lamp is that it can be charged automatically. When the sun shines during the day, the solar wall lamp can use its own components to convert light energy into electricity and store the electricity, which is impossible for traditional wall lamps.
2. Solar wall lights are generally controlled by intelligent switches, and they are automatically turned on by light control. Usually it will automatically turn off during the day and automatically turn on at night.
3. Since the solar wall lamp is driven by solar energy, it does not need an external power supply or complicated wiring, and the work is very stable and reliable.
4. Ultra-long service life, the solar wall lamp uses semiconductor chips to emit light without filament. Under normal use, the lifespan can reach 50,000 hours, compared to 1,000 hours for incandescent lamps and 8,000 hours for energy-saving lamps. Solar wall lights can be said to be very long-lived.
5. We know that ordinary lamps and lanterns contain two elements, mercury and xenon. The used lamps and lanterns after use will cause great pollution to the environment. But the solar wall lamp is different. It does not contain the two elements of mercury and xenon, so the waste solar wall lamp will basically not cause environmental pollution.
6. Health. The light of the solar wall lamp does not contain ultraviolet rays and infrared rays, and this kind of light will not cause harm to the human eyes even if it is in contact for a long time.
7. Safety. The output power of the solar wall light is completely determined by the solar battery pack, while the output of the Tianyang solar battery pack depends on the temperature of the solar surface, that is, the intensity of the sun. The standard output of solar cells per square meter is about 120 W. Considering the panel area of the solar wall lamp, it can be said that its output voltage is very low, and it is an absolutely safe light.
Led Solar Wall Light,Solar Led Wall Lights,Solar Powered Led Wall Light,Solar Wall Light
WOSEN LIGHTING TECHNOLOGY LIMITED , https://www.wosenled.com