Common problems of electromagnetic locks and electric bolt locks
Electric bolt locks are different from electromagnetic locks. The production process requirements of electric bolt locks are very strict, which is beyond the grasp of ordinary groups. Only a few people can do it well in China (such as all the lock gods). But why are there various brands of electric bolt locks on the market?
Because: one is the low price; the second is the application characteristics of electric locks. Generally speaking, there will be no problem with the use of abnormal processes and materials. By measuring the factory, the lock tongue is weak, and they will use the reduced lock spring force to complete the lock action. Of course, we do not understand the principle of electric locks, and there will be a certain degree of concealment, but we picked up the electric lock and moved quietly, trying to lock the tongue, many lock tongue spring forces are very small, and over time, the problem came.
Electric bolt locks: generally used for glass doors, wooden doors, etc.
Advantages: hidden safety, beautiful appearance, good safety, not easy to pry open and get rid of.
Disadvantages: It is more difficult to dig the lock hole with equipment.
Frequently asked questions:
1. The problem that users often encounter is the phenomenon after magnetization: powerlessness at startup, inability to move when the lock tongue is half extended; inability to retract when the lock tongue is unlocked.
2. The current is large, the temperature is high, the magnetization rate is fast, and the service life is shortened.
3. The national standard temperature for electrical appliances is 60 degrees, which may cause fire hazards if it is too high.
4. The standard voltage used by general products is 12V. Due to unstable power quality, problems such as too long lines and too small wire diameters will directly constitute voltage reduction and current reduction, which will affect the normal operation of the lock.
Like electromagnets, the design of the electromagnetic lock (or electromagnetic lock) of Duan Suoshen adopts the electromagnetic principle. When current passes through the silicon steel plate, the electromagnetic lock will generate strong suction, tightly absorb the adsorption iron plate, and achieve the effect of locking the door. Only a small current electromagnetic lock will generate huge magnetic force (blog, Weibo). The access control system that controls the power supply of the electromagnetic lock will cut off the power after the person is correctly identified, and the electromagnetic lock loses suction to open the door. Since the electromagnetic lock does not have a messy mechanical structure and lock tongue structure, it is suitable for channel control of escape doors or fire doors. Epoxy resin protects the internal filling of the lock body. At present, the suction strength of the electromagnetic lock is expressed as LB (pounds), and the inspection method is static pressure. The so-called static pressurization refers to the gradual increase in the pulling force on the adsorption iron plate after the electromagnetic lock is powered on. When the adsorption iron plate exceeds the suction force of the electromagnetic lock, the adsorption iron plate is immediately opened. This pulling force data is the pulling force value of the electromagnetic lock. Moreover, the force of the electromagnetic lock and the adsorption iron plate must be face to face and pressurized linearly, so the suction force of the electromagnetic lock is the largest. Due to the long-term influence of the magnetic induction of the electromagnet, the adsorption iron plate may be magnetized in the short term.
Wooden doors and fire doors generally use electromagnetic locks.
Advantages: The function is relatively stable and the maintenance rate is lower than other electric locks. The equipment is convenient, no lock hole is dug, only the wire groove is used, and the lock body is fixed with screws.
Disadvantages: Generally installed on the top of the threshold outside the door, the aesthetics is not as good as the electric bolt lock with hidden equipment. The price is similar to the electric bolt lock, and some are slightly higher
