Application field of Video Door Phone Intercom
Application field of Video Door Phone Intercom
traditional application
The Video Door Phone Intercom is mainly used in public security, civil aviation, transportation, water conservancy, railway, manufacturing, construction, service and other industries. It is used for liaison and command and dispatch among group members to improve communication efficiency and improve the ability to respond quickly to emergencies. With the entry of Video door phones into the civilian market, people have begun to use Video door phones more and more when traveling and shopping.
In addition, there are some Video Door Phone used in specific occasions, such as explosion-proof Video door phones, waterproof Video door phones, The car radio can also be included in the use of the Video Door Phone
Access control intercom
With the advancement of technology, Video door phones are more and more widely used in the security industry, and the access control intercom system is produced in this way. The access control intercom is the application of the Video door phone to the access control system. The user conducts calls or video communication through the Video door phone. The access control intercom system is mainly composed of the Video door phone host, the Video door phone extension, the UPS power supply, the electric control lock and the door closer. According to the type, it can be divided into direct press, digital, digital household communication, direct press video intercom, digital video intercom, digital household video intercom, etc.
Intercom host
The intercom host is the core part of the control of the building intercom system. The transmission signal of each extension and the control signal of the electric lock are controlled by the host. Its circuit board is installed with vibration damping, and is treated with moisture-proof, anti-vibration and moisture-proof ability. Extremely strong, and with night lighting device, beautiful and generous appearance.
Intercom extension
The Video Door Phone extension is a kind of call extension, which generally communicates with the host. Visual extension, non-visual extension. With electric lock control function and monitoring function, it is generally installed at the door of the user's home, which is mainly convenient for residents to talk to visitors.
Power Supply
Its main function is to keep the building intercom system from power down. Under normal circumstances, it is in a charging state. When a power outage occurs, the UPS power supply is in the state of supplying power to the system. Building intercom systems, manufacturers generally do not use UPS batteries, mainly because the visual system consumes too much power, and ordinary small-capacity UPS batteries cannot guarantee the use time!
Electric lock
Its internal structure is mainly composed of electromagnetic mechanism. As long as the user presses the electric lock button on the extension, the electromagnetic coil can be energized, so that the electromagnetic mechanism can drive the connecting rod to act, and the door can be controlled to open. Door closer It is a special automatic door closing linkage. It has a regulator, which can adjust the acceleration and the force of action, and is convenient and flexible to use.
working principle
Visitors can easily call and talk to the resident through the host in front of the downstairs unit door. The resident controls the opening and closing of the unit door indoors. The host of the community can receive the resident's alarm signal at any time and transmit it to the host on duty to notify the community security personnel. The system It not only enhances the security work of high-rise residential buildings, but also greatly facilitates the residents and reduces many unnecessary troubles going up and downstairs.
Way of working
The door of the building is always in a locked state to prevent people from other than the building from entering the building without permission. The residents in the building can use the key to enter and exit the building freely. When a guest visits, the guest needs to press the room number of the resident to be visited on the intercom host keyboard outside the building door, and call the intercom extension of the resident to be visited. The owner of the interviewed household conducts a two-way or video call with the visitor through the intercom device, and confirms the visitor's identity through the visitor's voice or image. After confirming that visitors can be allowed to enter, the owner of the resident uses the unlock button on the intercom extension to control the electronically controlled door lock on the entrance door of the building to open, so that visitors can enter the building. When visitors enter the building, the door will automatically lock.
The security department of residential property management can monitor the working conditions of the security intercom system of each residential building in the community through the community security intercom management host. If the entrance door of the residential building is illegally opened, the security intercom host or the line fails, the community security intercom management host will send an alarm signal and display the content and location of the alarm. The system can be used to communicate with each other between the residential property management department and the residents or between the residents and the residents. For example, the property department informs the tenant to pay various fees, the tenant informs the property management department to repair the residential facilities, and the tenant calls the community management staff or neighbors for help in an emergency.
