In this era of intelligent technology, with the gradual popularization of smart home, smart door lock has become the first choice for many families to upgrade. Compared with traditional door lock, smart door lock is more powerful in function and experience, and has been recognized and consumed by many families. However, many people still don't know what smart lock is? Is smart door lock safe or not? What are the benefits of face recognition intelligent lock? Are fingerprint locks really out of date? So let's talk about the security of smart locks and how to choose them today.

So, how can it be regarded as a real smart lock? Frankly speaking, the intelligent lock is actually an upgraded version of the electronic lock. At present, most of the commercially available intelligent locks are improved based on the electronic lock. The core is still the mechanical lock, but a layer of "intelligent leather" is set.

The essence of the smart lock is actually a mechanical lock, but it is equipped with a motor, which supports the electric unlocking mode, and then integrates the modern unlocking methods such as intelligent algorithm, face recognition, fingerprint recognition, password, door card, Bluetooth and mobile phone app to become a smart lock.

Smart locks are smart because these locks can be interconnected with mobile phones. Users can monitor the opening and closing of door locks through mobile phones, and know when family members go out and whether they get home safely in combination with registration information.

One advantage of smart lock is that you can view the security of the portal

As a relatively trendy lock, the safety of intelligent lock is the most concerned problem of consumers. Whether this lock is safe or not, the most important thing is not the external "smart skin", but the internal "mechanical core".

The lock cylinder and lock body determine its safety

Choosing a smart lock is actually very bad. First, the state stipulates that an electronic lock must have a mechanical lock body and reserve a physical key hole, so the interior of the smart lock is still a mechanical anti-theft lock, that is, consumers have to learn some anti-theft lock purchase knowledge in addition to identifying whether the smart part is safe and easy to use.

Lock cylinder: Class C lock cylinder is stable

The national standard has formulated two security levels for the lock cylinder, namely class A and class B. these two levels basically have no security, so the enterprise standard super class C lock cylinder was born

Whether your door lock is a smart lock or not, it is also recommended to use the door lock with Class C lock cylinder

At present, the opening time of class C lock cylinder anti-theft technology reaches 270 minutes, while the values of class A and B are 1 minute and 5 minutes respectively. Therefore, if you want to buy an intelligent lock, you must choose an intelligent lock product equipped with Class C lock cylinder.

The lock cylinder selected for Yinke full-automatic intelligent lock is the European class C lock cylinder with the highest safety level. From color to process quality, our class C lock cylinder adopts electroplating treatment, smooth surface and bright color. The copper lock cylinder is very solid and has strong anti-theft performance. Moreover, according to the national standard, the key of class C lock cylinder of Yinke face recognition intelligent lock is flat, and there are two rows of concave double snake key slots on both sides. The lock cylinder is added with lateral internal pressure side column latch device, which can withstand lateral static pressure of 7000 newtons, axial tension of 6000 newtons, and pull-out force of 6000 newtons, which is much higher than that of class AB lock, It has the highest level of illegal riot prevention capability

It is not safe to hide the lock hole below

Many smart locks on the market will set the lock hole at the bottom of the front panel of the lock, rather than the conventional front. This design shows that the lock hole may not really pass through the lock cylinder, but uses a false insert core, which is easy to crack.

This keyhole located under the door lock panel may not be safe

Therefore, when purchasing a smart lock, try to select the product with the lock hole set on the front. If you can, it is best to check the structure of the lock panel and the lock body before purchasing to see whether the lock hole uses a false plug-in core.

This is the false insert, and the real lock cylinder is the following:

Lock body: the motor and clutch must be reliable

In fact, it is difficult for consumers to distinguish the quality of the lock body. The material used is not easy to distinguish, and the internal motor and clutch are not easy to judge, which has brought many problems to purchase.

Since the electronic lock is unlocked by the clutch driven by the motor, the motor and clutch must be durable, and the two parts must be in the lock body to avoid violent unlocking.

If the merchant does not display the internal structure information of the lock body, it can only try to select some manufacturers with certain lock manufacturing qualification and strength.

From the technical level to the application level, how to calculate the fully automatic face recognition intelligent door lock?

The unique advantage of face recognition intelligent door lock is firstly based on the field of biological intelligent recognition. The face detection of this face recognition technology refers to judging and calculating the data matching degree between the currently collected samples and the input template library in the dynamic scene and complex background, and judging whether it is a real face through the threshold, which actually means, Compare the sampled image with the inventory image in turn, and find the best matching object.

The face recognition technology of intelligent door lock widely adopts the regional feature analysis algorithm. It integrates the computer image processing technology and the principle of Biostatistics. It uses the computer image processing technology to extract the human image feature points from the video, and uses the principle of biostatistics to analyze and establish the mathematical model. Face feature template. Using the built face feature template and the face image of the tested person for feature analysis, a similarity value is given according to the analysis results. This value determines whether it is the same person.

Like the Yinke face recognition intelligent lock, it can accurately identify and quickly unlock the door even in the case of poor lighting or darkness outside the door at night. Not only worry free, but also particularly firm and safe! The false recognition rate and false rejection rate of Yinke intelligent face recognition and intelligent door lock recognition technology are basically zero.

Is palmprint recognition smart lock more convenient and safe than fingerprint smart lock?

Intelligent lock fingerprint identification has high requirements for the environment and is very sensitive to the humidity and cleanliness of fingers. Dirt, oil and water will fail to identify or affect the identification results.

The second is that there are high requirements for the position and contact surface of the hand finger during fingerprint identification. Usually, when we inadvertently extend our finger for fingerprint identification, we can not trigger the door to open immediately. Usually, we need to adjust the finger placement for many times and repeat identification to open the door.

The third problem is that when collecting and inputting fingerprints, some people or very few groups have relatively few fingerprint features, or even no fingerprints, so it is difficult to image and can not effectively carry out fingerprint identification applications. Usually, 1% - 5% of people can't use them. For all those with peeling, scars and other low-quality fingerprints, the fingerprint lock has difficulties in identification and low identification rate. For some special groups such as manual workers with more calluses on their hands, it is more difficult to register and identify.

Moreover, every time the fingerprint is used, the user's fingerprint marks will be left on the fingerprint collection head, and these fingerprint marks may be used to copy the fingerprint, which is also the biggest security hazard and replicable.

Generally speaking, the application stability of fingerprint lock is not very high. Generally speaking, the fingerprint lock is a normal fingerprint identification intelligent door lock manufactured by the perfect combination of electronic information technology, mechanical technology and modern hardware technology. Its stability is controlled by circuit design, so its stability in application is not too high.

The second recognition technology of silver face recognition automatic intelligent door lock is palm vein recognition technology. Based on the technical principle, it mainly uses the structure of venous vessels for identification. Because the palmar vein collaterals contain a lot of feature information, which can be used as the object of verification. The principle of palmar vein recognition is also to use the different absorption characteristics of specific wavelength infrared light between venous vessels, muscles and bones for venous angiography. When the infrared light of the smart lock shines on the back of the hand, the part with veins absorbs the infrared light, the reflection is dim, and the reflection of muscle and bone path is strong, so as to realize the angiography of veins. This palm vein recognition technology belongs to the characteristics of internal cattle management, will not wear, is difficult to forge, and has high security. Because the vascular characteristics are usually more obvious, it is very easy to identify and has strong anti-interference, can realize non-contact measurement, and has good health and safety, which is easy to be accepted by mass consumer users.

If you are interested in smart locks, it is recommended to screen relevant products according to some of the above points and select reliable smart locks to ensure portal security when enjoying convenience.