The electric lock used for access control is an important part of the access control system, which is the executive mechanism and key equipment of the access control system. If the access control system is compared to a person, the electric lock is like a person's hands and feet. It is related to the stability of the entire access control system. If an access control system controller and card reader are good, if there is a problem with the quality of the electric lock, it will also cause the door to not open, affecting the acceptance and use of the project.

Note 1: Is the purchase of domestic electric lock or imported electric lock?

 Imported electric lock is too expensive, the purchase price is more than one thousand pieces, sold to the user hands without two thousand pieces down, although the real imported electric lock, the technology is more mature, the product repair rate is low, but the service is still a problem. I suggest buying domestic locks instead. The price is a lot of affordable, and most of them are produced in Taiwan or integrated into Taiwan's manufacturing process (Taiwan is the main OEM base of foreign electric locks) and quality standards, and the difference is not where to go.

Note 2: Is it to buy electric lock, electromagnetic lock or electric lock?

 What kind of lock to match depends on what kind of door you have. Double-open (can be opened inside or outside) glass doors are best locked with electricity, and the company's internal single-open (can only open inside or only open outside) wooden doors are best to use magnetic locks, magnetic locks are also known as electromagnetic locks. The lock body is installed on the upper part of the door frame, some people will feel that it is not hidden installation, not beautiful, in fact, it is used in foreign countries, the use of foreign magnetic locks is more than the electric lock, the stability of the magnetic lock is higher than the electric lock, but the security of the electric lock is higher. The electric lock is installed on the door side and the spherical lock and other mechanical locks are used together, the security is much lower, and the wiring is inconvenient, but the price is cheaper, and it is not recommended to adopt. Community is best to buy magnetic lock and electronic lock, electronic lock noise is relatively large, the general building intercom is equipped with electronic lock, now there is also a silent electronic lock, you can consider. However, no matter what kind of lock should pay attention to rain, the lock is made of iron, is easy to rust, this should pay attention to. There are many other less popular electric locks, not recommended, because the production scale is limited, application cases are too few, the product is immature, it is best to use less. For example, there is a power supply lock on the market, which can meet the requirements of the customer after the power failure, the door is still closed, but it does not meet the fire protection requirements, and the acceptance may not pass, and the thickness of the door frame is required, and the installation will have unexpected trouble. So it is better to recommend less to customers.

Note 3: Is it to buy from the lock factory or to buy from the equipment supplier?

 Direct procurement of electric locks to the lock factory, the price may be low, but the number of your purchase is limited, and you may not be able to get good prices and services, there is an access control system controller you find a company to buy, electric lock to find a company to buy, the problem is not easy to deal with each other shirking responsibility, It is better to buy all the controller suppliers, controller manufacturers and suppliers generally do not directly produce electric locks, because the electric lock manufacturing industry does not belong to the electronic industry, but belongs to the machining industry, they generally through testing and trial and other ways to assess the electric lock quality of each lock factory, if good, Controller manufacturers generally use the way to sell, play their own company's brand, that is responsible for the quality of the product.

Note four: The basic purchase of electric lock knowledge.

 First of all, the lock surface should have a metallic luster, there can be no obvious scratches, the standby current is about 300mA, the action current is less than 900mA, after a long time of power, the surface is slightly hot, but not hot. The power of the electric lock should be sufficient, and the lock head can automatically spring up and be strong after being pressed down. It's best to run 4000 on-off tests. If it is found that the lock head is weak in the process, or does not spring in place, or does not spring up, it is considered unqualified. Some engineers ask: Is to buy a two-wire or multi-wire plug lock? It is like this, the multi-wire electric plug lock is controlled by a single chip microcomputer, the running current of the electric lock is intelligently controlled by the single chip microcomputer, the lock body is not too hot, and it has the delay control function and the door magnetic detection function. The delay control function can adapt to the use of the door with poor spring, and the door magnetic monitoring function can provide the controller with real-time monitoring of the door opening and closing status. Although these functions may not be used by you, the quality and stability of the single-chip controlled electric lock and the single-chip controlled electric lock are not at the same level. So I suggest you don't have to save any money. The internal structure of the two-wire electric plug lock is very simple, just a current to drive the electromagnetic coil mechanism, the working current is large, and the heat is serious to a certain time will damage the electric lock. Not recommended.

Note five: The basic purchase of electromagnetic lock knowledge

 The appearance should be exquisite, the surface can not have obvious scratches or rust, the key to the magnetic lock is to see his tensile strength, this requires professional equipment to measure out, so only after installation, with the hand suddenly force to pull a pull, pull not open as normal, but pay attention to the installation of magnetic lock lock body suction to match, suction iron do not install too tight, otherwise it will affect tensile strength.