CN204631968U - smart door lock - Google Patents

Abstract

The utility model discloses an intelligent door lock. The intelligent door lock includes a control chip, an infrared sensor, a photographing unit, a communication unit and an electric control lock core respectively electrically connected to the control chip; the control chip is based on The infrared sensor, the photographing unit and the communication unit control the opening of the electronically controlled lock cylinder. The smart door lock of the utility model can realize the remote control unlocking of the smart door lock, and is more intelligent and convenient to use, and the image collected by the shooting unit can make the user understand the situation near the door, and the user can immediately know when a thief pries the door, Thereby preventing thieves from breaking into the house, and the security is better.

Description

smart door lock

technical field

The utility model relates to the field of intelligent locks, in particular to an intelligent door lock.

Background technique

In order to protect the safety of property, door locks are the most commonly used devices for protecting private property in the prior art. Existing door locks generally need to be opened with a key, but because people forget to bring the key, they cannot open the door lock. And the safety performance of this kind of door lock is poor and adopts simple unlocking tool to be able to open. In order to overcome the above defects, the prior art proposes door locks that can be unlocked by swiping cards or fingerprint recognition. This kind of unlocking method can only be unlocked in the near field, and cannot be remotely controlled, which is very inconvenient; When you are at home, you need to wait outside the door for the owner to come home before you can enter.

Therefore, it is very necessary to propose a door lock scheme that realizes remote control unlocking urgently.

Utility model content

The main purpose of the utility model is an intelligent door lock, aiming at solving the technical problem that the unlocking cannot be remotely controlled.

In order to achieve the above object, the utility model provides an intelligent door lock, the intelligent door lock includes a control chip, and an infrared sensor, a photographing unit, a communication unit and an electronically controlled lock cylinder respectively electrically connected to the control chip; The control chip controls the opening of the electronically controlled lock cylinder based on the infrared sensor, the photographing unit and the communication unit.

Preferably, the control chip includes a first control circuit, a second control circuit, a third control circuit and a fourth control circuit connected in sequence, wherein:

The first control circuit is used to receive a sensing signal generated by the infrared sensor, and control the photographing unit to collect images based on the sensing signal;

The second control circuit is used to control the communication unit to send the image collected by the shooting unit to a predetermined communication terminal;

The third control circuit is used to control the communication unit to detect the unlock signal, and control the electronically controlled lock cylinder to open when the communication unit detects the unlock signal.

Preferably, the smart door lock further includes a storage module electrically connected to the control chip for storing images collected by the shooting unit.

Preferably, the smart door lock further includes a bluetooth module, the control chip includes a fourth control circuit electrically connected to the bluetooth module, and the fourth control circuit is used to control the The electric control lock cylinder is opened.

Preferably, the smart door lock further includes a key module electrically connected to the control chip for inputting the unlock password.

Preferably, the smart door lock further includes a fingerprint collection device signally connected to the control chip, and the fingerprint collection device is used to collect the user's fingerprint and send the collected fingerprint to the control chip.

Preferably, the smart door lock further includes a display screen electrically connected to the control chip.

The smart door lock of the utility model is equipped with an infrared sensor, a shooting unit, a communication unit and a control chip on the smart door lock. When the sensor senses that someone approaches the smart door lock, it triggers the shooting unit to collect images near the smart door lock, and sends the collected images to the smart terminal (such as mobile phone, tablet computer, etc.) carried by the user through the communication unit, After receiving the image sent by the smart door lock, the user can feed back the unlock signal, and the smart door lock controls the opening of the electronically controlled lock cylinder after detecting the unlock signal, so as to realize the remote control unlocking of the smart door lock, which is more intelligent and convenient to use. Moreover, the images collected by the shooting unit can enable the user to understand the situation near the door, and the user can know immediately when a thief breaks the door, thereby preventing the thief from breaking into the room, and the security is better.

Description of drawings

Fig. 1 is a schematic diagram of the module structure of a preferred embodiment of the utility model intelligent door lock;

FIG. 2 is a block diagram of the first embodiment of the control chip in FIG. 1;

FIG. 3 is a block diagram of a second embodiment of the control chip in FIG. 1 .

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

The utility model provides an intelligent door lock. With reference to FIG. 1, in this embodiment, the intelligent door lock includes a control chip 10, an infrared sensor 20 electrically connected to the control chip 10, a photographing unit 30, and a communication unit 40. and the electric control lock cylinder 50; the control chip 10 controls the opening of the electric control lock cylinder 50 based on the infrared sensor 20, the photographing unit 30 and the communication unit 40.

In this embodiment, the photographing unit 30 includes a camera and an image processor connected to the camera. The camera is arranged on the outside of the smart door lock (i.e. outside the door). The camera may preferably be a pinhole camera to reduce the impact on the smart door lock Occupying space, it is convenient to arrange and install the internal components of the smart door lock.

The smart door lock proposed in this embodiment installs an infrared sensor 20, a shooting unit 30, a communication unit 40, and a control chip 10 on the smart door lock, and the control chip 10 is based on the infrared sensor 20, the shooting unit 30 and the communication unit 40, and controls When the electronically controlled lock cylinder 50 is opened, the camera unit 30 can be triggered to collect images near the smart door lock when it senses that someone is approaching the smart door lock through the infrared sensor 20, and the collected images are sent to the user through the communication unit 40. The smart terminal (such as mobile phone, tablet computer, etc.) carried by the user can feed back the unlocking signal after receiving the image sent by the smart door lock, and the smart door lock controls the electronically controlled lock cylinder 50 to open after detecting the unlocking signal, thereby Realize the remote control unlocking of the smart door lock, which is more intelligent and convenient to use, and the images collected by the shooting unit 30 can enable the user to understand the situation near the door, and the user can immediately know when a thief breaks the door, thereby preventing the thief from breaking the door and entering the room. better.

Referring to FIG. 1 and FIG. 2 , FIG. 2 is a schematic structural diagram of a first embodiment of the control chip 10 in FIG. 1 .

In this embodiment, the control chip 10 includes a first control circuit, a second control circuit, a third control circuit and a fourth control circuit connected in sequence, wherein: the first control circuit is used to receive the induction signal generated by the infrared sensor 20, And control the photographing unit 30 to collect images based on the sensing signal; the second control circuit is used to control the communication unit 40 to send the image collected by the photographing unit 30 to a predetermined communication terminal; the third control circuit is used to control the communication unit 40 to detect unlocking signal, and control the electronically controlled lock cylinder 50 to open when the communication unit 40 detects the unlock signal.

In this embodiment, the infrared sensor 20 on the smart door lock detects whether there is anyone near the door, and when someone is detected, an induction signal (such as an electrical signal such as a high-level signal or a low-level signal) is generated; When a control circuit receives the sensing signal generated by the infrared sensor 20, it controls the shooting unit 30 to work to collect images near the door (that is, images within its field of view) for processing (such as analog-to-digital conversion); the second control circuit controls The communication unit 40 sends the image collected and processed by the shooting unit 30 to a predetermined communication terminal, such as a smart terminal (such as a mobile phone, a tablet computer, etc.) carried by the user with the voice, and the user can choose whether to remotely unlock the lock according to the received image, When remote unlocking is selected, the smart terminal carried by the user feeds back an unlocking signal to the communication unit 40; the third control circuit controls the communication unit 40 to detect the unlocking signal, and when the communication unit 40 detects the unlocking signal, it can output an electrical signal to the third control circuit. level signal, the third control circuit controls the electronically controlled lock cylinder 50 to open according to the level signal received from the communication unit 40 .

In this embodiment, the communication unit 40 can be a remote communication unit 40 such as a WIFI interface, a mobile network interface (such as GSM, CDMA, etc.), and the terminal can be paired with the smart door lock in advance, and the terminal can be a smart door lock carried by the user. Terminals, such as mobile phones, tablet computers, etc., can control the smart door lock through the control interface provided by the smart lock after the terminal is paired with the smart door lock.

Further, the smart door lock further includes a storage module 60 electrically connected to the control chip 10 , and the storage module 60 is used for storing images collected by the photographing unit 30 .

After the image capture unit 30 captures the image, the captured image can be buffered and stored in the storage module 60 first, and the control chip 10 controls the communication unit 40 to send the image captured by the capture unit 30 to the user's smart terminal for the user terminal. Undergo verification. The storage device may be a flash memory, a hard disk, or the like.

Further, the smart door lock also includes a button module 80 electrically connected to the control chip 10 for inputting the unlock password. By inputting the unlock password to unlock, it is convenient for the user to unlock in the near field, making the smart door lock compatible with a variety of unlocking methods, and avoiding the situation where the user forgets to bring the smart terminal and cannot unlock and enter the door.

Further, the smart door lock also includes a fingerprint collection device 90 signal-connected with the control chip 10 , the fingerprint collection device 90 is used to collect the user's fingerprint, and sends the collected fingerprint to the control chip 10 . In order to enhance the versatility of the smart door lock, the smart door lock is compatible with a variety of unlocking methods, and the smart door lock can be opened through a fingerprint identification device when it is used without a smart terminal.

Further, the smart door lock also includes a display screen 100 electrically connected to the control chip 10 . When the infrared sensor 20 senses that there is someone outside the door, the user can check the image captured by the shooting unit 30 through the display screen 100 on the indoor side, so as to determine who is coming.

Further, referring to FIG. 1 and referring to FIG. 3 , FIG. 3 is a block diagram of a second embodiment of the control chip 10 in FIG. 1 .

The scheme of this embodiment can be combined with all the schemes described above. In this embodiment, the smart door lock also includes a Bluetooth module 70, and the control chip 10 includes a fourth control circuit electrically connected to the Bluetooth module 70, and the fourth control circuit is used to control the electronically controlled lock cylinder when the Bluetooth module 70 is paired successfully. 50 on.

Can be paired with the Bluetooth mobile phone of the user's mobile phone through the Bluetooth module 70. The user's mobile phone is within a certain distance (such as 3 meters, 5 meters) from the smart door lock, and the Bluetooth module 70 can complete the pairing with the Bluetooth of the user's mobile phone. When the 70 pairing is successful, an unlocking electrical signal (such as a high level) is generated to the fourth control circuit, and the fourth control circuit receives the unlocking electrical signal generated by the Bluetooth module 70 to control the opening of the electronically controlled lock cylinder 50, thereby completing the near-field automatic unlocking, so that When the user has busy hands (such as carrying things with both hands) and cannot free his hands to unlock, the smart door lock can be opened automatically, which brings convenience to the user.

The above are only preferred embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process conversion made by using the description of the utility model and the contents of the accompanying drawings, or directly or indirectly used in other related All technical fields are all included in the scope of patent protection of the utility model in the same way.

Claims (7)

1. an intelligent door lock, is characterized in that, described intelligent door lock comprises control chip, and the infrared inductor be electrically connected with described control chip respectively, takes unit, communication unit and electric lock cylinder; Described control chip, based on described infrared inductor, shooting unit and communication unit, controls described electric lock cylinder and opens.

2. intelligent door lock as claimed in claim 1, it is characterized in that, described control chip comprises the first control circuit, second control circuit, the 3rd control circuit and the 4th control circuit that connect successively, wherein:

The induced signal that described first control circuit produces for receiving described infrared inductor, and gather image based on taking unit described in this actuated signal control;

The image of described shooting unit collection is sent to predetermined communication terminal for controlling described communication unit by described second control circuit;

Described 3rd control circuit for controlling described communication unit detecting unlocking signal, and controls the unlatching of described electric lock cylinder when described communication unit detects described unlocking signal.

3. intelligent door lock as claimed in claim 2, it is characterized in that, described intelligent door lock also comprises the memory module be electrically connected with described control chip, for storing the image that shooting unit collects.

4. the intelligent door lock according to any one of claim 1-3, it is characterized in that, described intelligent door lock also comprises bluetooth module, described control chip comprises the 4th control circuit be electrically connected with described bluetooth module, described 4th control circuit is used for when described bluetooth module successful matching, controls described electric lock cylinder and opens.

5. the intelligent door lock according to any one of claim 1-3, is characterized in that, described intelligent door lock also comprises the key-press module for inputting unlocking cipher be electrically connected with control chip.

6. the intelligent door lock according to any one of claim 1-3, it is characterized in that, described intelligent door lock also comprises the fingerprint acquisition device be connected with control chip signal, and the fingerprint collected for gathering the fingerprint of user, and is sent to control chip by described fingerprint acquisition device.

7. the intelligent door lock according to any one of claim 1-3, is characterized in that, described intelligent door lock also comprises the display screen be electrically connected with described control chip.