Automatic door closing mechanism is similar to the automatic door opening mechanism. The only difference between the two is that the closing mechanism is mainly used to close or shut doors. The use of automatic door closing mechanism is important especially in ships and cruises that travel on water. All doors in ships or cruises are equipped with an automatic door closing mechanism that will close the door automatically if it's flooded with water to avoid the water from flooding other sections of the ship. This mechanism is widely used in every ship.
DC 24V Brushless Motor Worm gear reduce make it low noise; |
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Sparete transformer,elelctric voltage and 32 bit microprocessor in electric board make Separate transformer with control panel,electric voltage and electric current can transform easily. |
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One more reducer wheel,more stable and low noise One more reduce wheel make the teeth belt more stable and low operation noise, |
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Complete perfect access control system
Only entering the passcode or swiping card on the Autodoor can reach the functions of automatic/exit Various optional accessories such as foot sensor,touch |
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Functions of Safty beam and microwave sensor The optional active rader&infrared safety sensor is combined the function of safety beam and microwave sensor |
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SD 280 cover and beam SD 280 cover and beam |
Model | SD280 | |
Door range | Single leaf | Double leaf |
Door leaf weight | Max 180kg*1 | Max 180kg*2 |
Door width | 600~3000mm | 600~1500mm |
Opening speed | 100~750mm/s(Adjustable) | |
Closing speed | 100~750mm/s(Adjustable) | |
Opening time | 0~10 seconds | |
Motor | DC 24V Brushless DC Servo Motor | |
Supply voltage | Input AC 110V/220V;50-60Hz | |
Working temperature | -20~50°C | |
Working noise | Less tha |
Components | Quantity | Componets | Quantity |
Control panel | 1 | Reveiver | 1 |
Motor gear box assembly | 1 | Return pulley | 1 |
Microwave sensor | 2 | Terminal input assembly | 1 |
Tooth belt | 1*7m | Power switch | 1 |
End stop | 3 | Hanger roller bracket | 2 |
Remote control | 2 | Belt bracket link assembly | 2 |
Device for yaw checking | 1 | Tansformer | 1 |
Transmission rail and cover | 2*2.1m | Mcrowave sensor | 2 |
Our standard size for the cover and transmission rail is 2*210cm,it is just like the picture one double leaf door shows.If door size is beyond it ,Or if it is single leaf door,please contact us to choose the correct size for you.
Double leaf door Single leaf
But with today's demand for buildings and establishments that require an automatic door closing mechanism, companies that manufacture an automatic door closing mechanism for ships and cruises developed the perfect mechanism for buildings. Generally, all buildings and facilities are required to have an emergency door that can be used in case of emergencies like fire and earthquake. Emergency doors used in building are equipped with an automatic door closing mechanism. These doors are programmed to close automatically when a fire occurred in one section of the building, preventing the further spread of the fire and smoke to other sections of the building.
Dynamical system OF Automatic door closing mechanism:
1. A motor provides the main force for opening and closing, and controls the acceleration and deceleration of door leaf operation.
2. The tracks that the door leaf moves along constrain the spreader and wheel system to move in a particular direction.
3. The spreader and wheel system is used for hanging door leaves, and drives them run under the dynamic traction.
4. Synchronous belt (some factories use triangle belt) is used to transmit power produced by motor, and then draw the spreader and wheel system.
5. The guiding system is a device set under the door leaf for orientation and positioning, and it can prevent the door leaves from swinging back and forth when in operation.
Automatic door closing mechanism is also used in vaults in some banks. This mechanism closes the vault temporarily and will only open according to its program. Bank vaults require large and heavy doors made from the hardest material, so it must also be installed by a heavy duty automatic door closing mechanism that can support the entire weight of the door and keep it close until the time it is opened. Today, some houses also use an automatic door closing mechanism especially on garage doors. It provides safety to the garage and also to the house. When the owner leaves the house, the garage door will automatically shut the garage door to prevent anyone from opening it. Only with the use of a remote or a code that the automatic door closing mechanism can be disabled.
The use of an automatic door closer in buildings and houses assures the safety of all its occupants. This mechanism that can be connected to any emergency door system and it will automatically close whenever the system detects smoke or fire. The spread of fire can be isolated in just one section, preventing further damage to other sections that can affect its occupants. The main purpose of an automatic door closing mechanism is to provide safety when it is needed the most.