Engineering negotiation: pre-sales and skills of smart door locks

Pre-sale of smart door locks

Is the purchase of domestic electric lock or imported electric lock?

Imported electric locks are too expensive, the purchase price must be more than 1,000 pieces, and there are no two thousand pieces to sell to users. Although the real import electric locks are mature, the repair rate of products is low, but the service is still a problem. Once there is a problem, foreigners can't move and say that China's power is unstable and many other reasons, it is very troublesome. I suggest to buy a domestic lock. The price is very affordable, and most of them are produced or integrated into Taiwan's manufacturing process (Taiwan is the main OEM base for foreign electric locks) and quality standards, and the difference is not much worse.

Is it an electric lock, an electromagnetic lock or an electric lock?

What kind of lock you have to match depends on what you are. Double open (can be opened inside or outside) Glass door is best to use electric plug lock, the company's internal single open (can only open or only open) wooden door is best to use magnetic lock, magnetic lock has called electromagnetic lock. The magnetic lock body is installed on the upper part of the door frame. Some people don't think it is not hidden installation. It is not beautiful. In fact, it is used in foreign countries. The use of foreign magnetic locks requires redundant electric locks. The stability of magnetic locks is also higher than electricity. Plug lock, but the safety of the electric lock is high. The electric lock is installed on the door side and the mechanical lock such as the ball lock. The safety is much lower, and the wiring is inconvenient, but the price is cheaper. It is not recommended. It is best to buy magnetic locks and electric locks for the community. The electric locks are relatively loud. The general building intercom is equipped with electronic locks. Now there is also a silent electric lock, which can be considered. However, no matter what lock you use, you should pay attention to rain protection. The locks are made of iron and are easy to rust. This should be noted. There are many other electric locks that are not popular. It is not recommended because the production scale is limited, the application cases are too few, the products are not mature, and it is best to use them less. For example, there is a power-off lock on the market. This kind of lock can meet the requirements that the door is still closed after the customer loses power, but it does not meet the fire-fighting requirements. It may not pass the acceptance, and it has requirements for the thickness of the door frame. There will be unexpected troubles. So it is still better to recommend to customers.

Is it purchased from the lock factory or purchased from the equipment supplier?

Buying electric locks directly from the lock factory may be cheap, but the quantity you purchase is limited, and you may not get good prices and services. There is also an access control system controller. You can find a company to buy, and the electric lock can be bought by a company. If the problem is shirked, it is not easy to deal with it. It is better to buy it from the controller supplier. The controller manufacturer and supplier generally do not directly produce the electric lock, because the electric lock manufacturing industry does not belong to the electronics industry, but belongs to the machinery. In the processing industry, they generally assess the quality of the locks of each lock factory through testing and trial use. If it is good, controller manufacturers generally use the OEM method to sell, and the brand of their own company, indicating the quality of the product. Be responsible for.

Basic purchase knowledge of electric mortise lock

First of all, the lock surface should have a metallic luster, and there must be no obvious scratches. The standby current is about 300 mA, and the operating current is lower than 900 mA. After a long time of power-on, the surface is slightly hot, but it is not hot. The force of the electric mortise lock should be sufficient. After the pressure is pressed, the lock can automatically bounce and be powerful. It is best to perform 4000 on-off tests. If it is found that the lock is weak during the process, or if the bounce is not in place, or if it cannot be lifted, it is considered unqualified. Some engineering consultants ask: Is it a two-wire or multi-wire electric plug lock? This is the case. The multi-wire electric plug lock is controlled by a single-chip microcomputer. The operating current of the electric lock is controlled by the single-chip microcomputer, and the lock body will not It is too hot and has a delay control function and a magnetic door detection function. The delay control function can be used for the door with a bad spring. The magnetic door monitoring function can provide the controller with real-time monitoring of the door opening and closing state. Although these functions are not necessarily used, the quality and stability of the electric locks controlled by the single-chip microcomputer and the electric lock without the single-chip control are not at one level. So I suggest you don't have to save a little money. Two-wire electric plug lock, the internal structure is very simple, just a mechanism that drives the electromagnetic coil with current, the working current is large, and the heat is severe enough to damage the electric lock at a certain time. Not recommended.

Basic purchase knowledge of electromagnetic lock

The appearance should be exquisite, the surface should not have obvious scratches or rust. The key of the magnetic lock is to look at his tensile strength. This requires professional equipment to be measured, so only after installation, the hand pulls a sudden force. It is normal to pull it off, but it should be noted that the installation of the electromagnetic lock body should be consistent, and the suction iron should not be installed too tightly, otherwise it will affect the tensile strength.

Smart door lock purchase tips

1. Be sensitive when the door lock card or sensor key card is used. It is necessary to repeat the continuous card insertion or the induction key card to operate normally after opening the door. There should be no "no reaction" or "error" and "motor rotation" phenomenon. To investigate the information of the brand door lock, the clock is not easy to be confused, as long as the performance of the smart door lock is stable, those so-called additional functions do not necessarily have a practical effect. The door lock of the own error correction function circuit should be selected. If you choose an immature product, you may not be able to use it or maintain a lot of work. Keyu intelligent door lock circuit microcomputer chip control, the circuit comes with information error correction function, which makes the circuit processing information more stable. The sensor door lock adopts double clock correction error rate is very low, and the induction door lock uses wireless data collector for door lock maintenance. It is very convenient to collect the open door record data.

2, the choice of card locks after their first check door lock sensor sensitivity to understand the static power consumption, because the door lock are generally dry batteries, understand the static power door lock is important, now some brands door sensors The four- cell battery can be used continuously for more than one year. Some brands change the battery in less than a month. Frequent battery changes can seriously affect the use.

3. When using the magnetic card door lock, you should know whether the door lock reader is self-developed by the manufacturer to read the card's own encryption algorithm, or use the universal magnetic card reader. If a card is written with a universal card reader, others can copy the card with a universal card reader and cannot achieve confidentiality. Keyu newly introduced IC card plus magnetic card door lock, guest card with magnetic card, administrator and maintenance information with IC card, magnetic card reader's card reader module own encryption algorithm.

4. Select the smart door lock to choose whether the material of the door lock panel and the surface plating are uniform. It is claimed whether the copper plate is made of copper or steel plated. Whether the stainless steel plate uses 304 stainless steel or the price is 2 to 3 times lower. Iron, users can also choose PVD surface treatment. If you choose the plating surface, you should see if there is a protective paint on the surface of the door lock. Keyu has always insisted that the products are real materials, such as the nominal pure copper panel, the handle must be pure copper, such as the nominal 304 stainless steel material must be 304 stainless steel. Pure copper forged is made of imported high quality brass rods. The thickness and weight of the panel can be guaranteed. The plating layer fully meets the salt spray test standard.

5, the door lock presses the handle to open the door lock should be flexible and smooth, there should be no serious "åš“" and "å–³" mechanical friction sound in the lock body. With a light force, you can press the handle and press the handle back to normal. Mechanical transmission can not be fully lubricated by oil. It depends on the connection of mechanical parts. If the oil is fully lubricated, the door lock will fail frequently after the oil is dried for a long time.

6. The lock body of the standard five-lock tongue structure should be selected, and the lock body of the lock body should be driven by a motor. Keyu intelligent door lock body is improved on the basis of the original foreign famous brand lock body. The structure lock body has the highest domestic and external use rate, reasonable structure, low part wear, excellent performance, convenient installation and long service life. The normal service life is more than 15 years, and has been praised by users. The insurance tongue and anti-locking tongue have the functions of anti-insertion and anti-smashing. The square tongue (anti-lock tongue) is applied with a reinforcing structure to effectively prevent the square tongue from breaking or bending when the wind is blown or the door is closed when the door is opened. Keyu's improved reinforced structure of the square tongue is mostly concentrated on the tongue of the thickest tongue (12mm thick), and the distance of the force point is shortened so that the improved square tongue strength is five. More than double. The other brands use the original structure unmodified lock body to distribute a large part of the force to the weakest point of the tongue (3mm thick) position, the square tongue is too strong, the tongue tail is bent, the square tongue can not be fully back to the door lock Can't open it. Don't be misled by other so-called small locks or new locks, because the lock body is modified by the barely installed electronic control part of the structure of the household door lock. Because of the different use environment and the increased frequency of use, the lock is so strong. Poor physical performance and limited life.

7. Cards are divided into IC card, TM card, magnetic card and proximity card. The most used ones are IC card (contact type) and proximity card (non-contact) door lock. IC card door locks generally use Siemens cards (now Shanghai Bay) Ling, Fudan and other cards are compatible). Inductive cards used in proximity card locks mostly use TEMIC cards (many are called inductive IC cards, which can read and write data with a capacity of 33). Hotel sensor door locks generally make TEMIC cards. Philips MF1 card (can be divided into multiple areas of reading and writing data function capacity of 1000 bytes, large capacity, card price and TEMIC is similar but the door lock price is much more expensive) Many consumption, attendance, open the card with MF1 card. There is also an ID card (ID card is a string of codes that have been set at the factory, can only read information, can not write information into the card) ID card is generally used in home, apartment smart lock without computer management system, the price of ID card It is about half of the TEMIC card. At present, there are many companies that manufacture cards. Many smart lock factories use smaller card manufacturers to make cards, which cannot guarantee the purchase of chips (many parallel imports of electronic components) and packaging and pattern printing processes.

8. The appearance of the door lock is selected according to the user's hobby and decoration configuration. For example, the hotel recommendation is generally ideal for using a more elegant appearance.

9. Use a whirlwind handle or a non-empty spinner? There is no problem based on years of use. It is recommended to use a non-empty rotary lock body. The non-empty rotary lock body is not affected by the deflection when the panel is installed.

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