What is the specific composition of the direct-style intercom system of the anti-theft door intercom system? The More
By the door, hinge side of the column, hinges and other components, the door hinge outward extension to form a cover plate, and the hinge head position is more outward protruding. The utility model has the advantage that the gap between the hinge side and the door hinge is covered by the cover plate, and the thief can not break the hinge through the gap and pry the door, so that the anti-theft door is greatly enhanced.
The front panel includes the panel, the bottom box, the operation part, the audio part, the control part A, the panel: the operation surface of the main body is exposed to the installation surface, provides the user to carry on the operation. Building intercom system host panel is generally required for the metal texture, the main requirements to achieve a certain level of protection to ensure that the host of durable. (Usually installed) box, mainly through the bottom box of the fixed (usually buried wall installation, inlaid door installation, etc.), the mainframe for the installation of the mainframe, ), The host panel and then fixed in the bottom box. The use of the main box at the end of the box according to the different manufacturers have a metal base box and plastic bottom box two, but the main principle is strong, to avoid the crust caused by the extrusion deformation. C, the operation part: the host is the most basic requirements, the operation part of the host panel, usually by the operation of the key part of the operation and display part. Operation keys (straight press and digital numeric keypad) according to the texture of the general metal buttons and plastic keys two kinds of metal keys durable (the host button is the most frequently used part of the rugged should be the first consideration, The current market, the use of bank ATM button, the life of a single key to millions of times is an example), but the shortcomings of the metal buttons are mainly night display (some manufacturers have basically solved the product of the night show the metal button problem). Plastic button light transmission ability is relatively strong, but the disadvantage is the durability is not strong, easy to aging and damage the button. D, audio part: the audio part of the host by the speaker and microphone components, mainly for audio playback and audio reception function. The audio section is inside the host.
Now too many market products, we generally use these are these | 1. Unit door machine 2. Indoor extension 3. Unit door machine power supply 4. Indoor extension power supply 5. Closer 6. Magnetic lock tripod satin and so on to urge to wear slip 7. Signal line with Rvv0.5m ㎡ signal line or 8x0.25m ㎡ cable can also 8. Power line with RVV3 × 1.0m ㎡ 9. Floor distributor, if it is an indoor extension, built-in decoding can be used.
