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Automatic door opener purchase and use instructions
Oct 20 , 2022
Automatic door opener purchase instructions:1. Look at the horsepower of the automatic door opener motor. That is, what is usually asked is, how many doors or how many doors can this door open? We are accustomed to simply think that the bigger the shape of the door opener, the more powerful it is, which is unscientific. In fact, the power of the motor is determined by the rotor parameters (diamete...
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Access control door button selection skills and suggestions
Oct 21 , 2022
Access control system button selection skills and suggestions.There are two common ways to enter and exit the door:1. Swipe your card to enter, and swipe your card when you go out. We usually call it "two-way access control" or "two-way card reading". The advantage of this method is that it has a higher level of security. Generally, people are not allowed to leave casually...
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Elevator control system
Oct 24 , 2022
The elevator control system, also known as elevator control, is mainly used to control the access authority of the elevator. Only after the authorization card is swiped through the card reader, the designated floor can be reached. Nowadays, the use of elevator control is more and more common, the types are more and more, and the functions are more and more comprehensive, and more attention is paid...
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How To Choose Automatic Door Closers?
Oct 28 , 2022
Door closers are mainly used in commercial and public buildings, especially the access control system. They have many uses, chief among them being to allow doors to close on their own to limit the spread of fire and to ventilate the building.What issues should be considered when choosing a door closer?Before choosing a door closer, you should consider door weight, door width, door opening fre...
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Five Installation Methods Of Door Closers
Oct 28 , 2022
The door closer is installed on the door. Its function is to automatically close the door when the door is opened. Its characteristic is that it can accurately close the door to the initial position. Door closers are widely used in our lives. It is mainly used in commercial and public buildings, but also in domestic use. Its biggest function is to close the door tightly when a fire occurs, th...
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What is an electromagnetic door suction? How does it work and how to install it?
Oct 31 , 2022
Electromagnetic door suction, this kind of door suction is often used with fire doors, also known as electromagnetic door suction for normally open fire doors.1. What is electromagnetic door suction2. The working principle of electromagnetic door suction3. Electromagnetic door suction classification4. Installation method of electromagnetic door suction1. What is electromagnetic door suctionElectro...
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What is the difference between a door closer and a floor spring?
Nov 03 , 2022
Door control hardware is a very important supporting product device in people's daily life. It mainly includes: floor springs and door closers, usually used in shopping malls, office buildings, residential areas, hotels and other public places. The main function is to ensure that the door can be opened normally, or the door can be closed to the initial position accurately and timely. Normally,...
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Why Do You Need A Safety Relay Module?
Nov 04 , 2022
Why do you need a safety relay module?There are many types of intelligent Relay modules. With the rapid development of science and technology, the application fields of intelligent relay modules will become wider and wider, such as mechanical control in industry 、automatic door openers, lighting control switches in civil use, and other automatic system control occasions.Usually, the wiring mode of...
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Types of electric mortise locks
Nov 07 , 2022
Electric mortise locks are divided into: two-wire electric mortise locks, five-wire electric mortise locksTwo-wire electric mortise lock: There are two wires, red and black, red is connected to power +12VDC and black is connected to GND. Disconnect either wire, the lock retracts, and the door opens. The two-wire electric lock is relatively simple in design and has no single-chip control circuit. T...
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Learn about electric RIM locks
Nov 17 , 2022
Electric RIM lock is a kind of electric lock with a large amount of use. It can be opened electronically or with a key. It is mostly used in building intercom doors (also called electric doors) in residential areas. It is the veteran of electric locks. For a period of time, it represented the electric lock, and now people often use the electric lock as a general term for all electric locks. Howeve...
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Installation method and precautions of door closer
Nov 21 , 2022
The door closer is installed on the door. Its function is to close the door automatically when the door is opened. Its characteristic is that it can accurately close the door to the initial position. Door closers are widely used in our lives. It is mainly used in commercial and public buildings, but also in domestic use. Its biggest function is to close the door tightly in case of fire, so as to p...
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What is the classification and working principle of electric mortise locks?
Nov 24 , 2022
What is an electric mortise lock? Maybe many people don't know what is an electric mortise lock? What are the classifications of electric mortise locks, and what is the working principle of electric mortise locks.First. What is an electric bolt lock?1. The electric mortise lock is an electronically controlled lock. On the premise of the cooperation of the "magnetic sheet", the extens...