What is the central control system?

Intelligent central control management system Its main function is to provide managers with a very convenient centralized management system, such as a large exhibition hall, multimedia exhibition hall, entertainment hall, museum and so on. The equipment inside and a series of centralized controls such as lighting, speakers, volume projection, power supply, air conditioning, automatic doors, monitoring and so on. Greatly reduce the workload of managers and improve work efficiency

The central control system is generally used in multimedia conference rooms, audio-visual classrooms, monitoring and command centers, news release rooms, and environmental control. Taking the multimedia conference room as an example, the central controller is the control center of all audio-visual teaching equipment. All audio-visual teaching equipment in the classroom, such as video recorders, DVD players, projectors, electric screens, stereos, indoor lighting and curtains, can be connected to and controlled by the central controller. Users can intuitively operate the whole system only by sitting in front of the touch screen, including system switch, equipment switch, light brightness adjustment, signal switching, signal source playing and stopping, various combination modes entering and switching, volume adjustment, and conference sound system for sound reinforcement; Digital conference and simultaneous interpretation system for discussion, voting and voting; Video conference system for teleconferencing; Large screen projection system for video and VGA signal display; Multimedia peripheral equipment for providing audio and video signals; It is used for fully automatic integrated control of global environmental facilities, system equipment control and other systems. In practical use, some equipment cannot be directly controlled, such as projection curtains, curtains and electric hangers of projectors. Then it is necessary to use the power controller, which indirectly controls the lifting of the curtain and hanger or the opening and closing of the curtain through the command of the central control host, and the same is true for the switch of the lamp tube. The above only involves the switch of electric light. If the brightness of ambient light is too high during the meeting, it will affect the display quality of the projected image, so it is necessary to use the dimmer. However, the dimmer can't adjust the brightness of fluorescent tubes, and can only control incandescent lamps. Because the dimmer is called "silicon box". Energy-saving lamps and fluorescent lamps are electrical appliances with inductive loads, and there are either inductors (ballasts) or other electronic circuits in them. They can only be used normally under the standard alternating current of 22V and 5/6Hz. Because of their inherent electrical characteristics, they can't be used for dimming. Therefore, in the concrete project implementation, the downlights in the ceiling are generally equipped with incandescent lamps, which can be dimmed; The hidden aperture is controlled by the high-voltage controller. Of course, we can also make some bamboo arrangements between plum blossoms, and the lighting effect will be more beautiful and suitable for the projection environment of the conference room. Next, let's talk about the sound control. Some power amplifiers have infrared remote controllers, so we can directly control them with the infrared port in the central control, but there are still many power amplifiers that are pure post-stage, so we need to use the volume controller (or volume card or volume box) for digital tuning. The volume of the whole venue lies in a touch of the touch screen, which is simple and fast. As for the control of projectors and large-screen LCD TVs, we usually use infrared control of the central control host or RS232C control port. Relatively speaking, 232 control is more convenient than infrared control, especially in the selection of display channels. If there is a video conference function in a conference room, such as a video tracking conference system for discussion and voting, we can also realize the video tracking function through the preset position of the camera and the linkage function of the central control host, that is, as soon as the speaker presses the speech button of the microphone, the host of the conference system will send a series of codes to the central control, and the central control will immediately mobilize the camera to focus on the speaker according to the received codes, and switch the image to the projection screen or the big screen TV screen, or transmit it to the participants at the other end through network video equipment, which is convenient for the participants. The central control ASD matrix is often in the meeting room, and many people present will cut their laptops into the projection screen according to the progress and content of the meeting. However, the projection usually has only one VGA port, so it is impossible to plug and unplug every laptop screen, which will seriously affect the efficiency and seriousness of the meeting. To solve this problem, we can use ASD matrix switcher (some models also have their own stereo audio switch), which connects the VGA interface of the information panel on each seat with the projector or LCD monitor, and can switch each channel as needed, greatly improving efficiency.

More professional central control system, Fengguang Technology, has been focusing on audio and video system solutions for 13 years. We will work for you with our insight and experience in a way to promote clear and open communication, and at the same time ensure that the expectations of both parties are not only realistic, but also met at every stage of the project. We start by asking questions, aiming to help us design and design a system that suits you, purchase and install equipment, and provide training for proper and efficient operation. We thrive by overcoming the challenges associated with any type of low-voltage system. I really want our unique talent pool to work for you today. We care that our customers are comfortable with the system we designed and installed for them. How to make full use of and understand your new system will maximize its use from the beginning to the completion of the project. We provide professional services for users in the army, public security, government agencies, education, large enterprises, institutions, hotels and so on, and look forward to providing services for you.