CN218912545U - Intelligent door lock and intelligent door lock system - Google Patents

Abstract

The utility model discloses an intelligent door lock and an intelligent door lock system, wherein the intelligent door lock comprises: the door lock body comprises a front lock panel, a rear lock panel and a lock body; a multi-function control key; the front lock sound module and the rear lock sound module are respectively used for picking up and outputting the first user voice information and the second user voice information; the first main controller is used for receiving the first user voice information and the second user voice information and respectively outputting the first user voice information and the second user voice information to the rear lock sound module and the front lock sound module, so that the rear lock sound module plays the first user voice information, and the front lock sound module plays the second user voice information, thereby realizing the audio and video call function of the intelligent door lock through the front lock sound module and the rear lock sound module; the first main controller is also used for controlling the front lock sound module to play key voice information; the unlocking control circuit controls the lock body to unlock when receiving an unlocking signal output by the first main controller. The utility model aims to improve the system integration level and reduce the production cost of the intelligent door lock.

Description

Intelligent door lock and intelligent door lock system

Technical Field

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

Background

At present, the intelligent door lock is more and more widely applied, because the intelligent door lock has higher safety and functionality compared with the common mechanical door lock, but the intelligent door lock needs to have a plurality of functional modules to realize more functions, such as a camera module, a storage module, an audio and video processing module, a sound module, a control module and the like, and the plurality of modules are arranged in the intelligent door lock, so that the integration level of the intelligent door lock is low, and the production cost is high; the intelligent door lock also has the functions of playing fixed key voices and carrying out real-time voices, and various voice functions require a plurality of voice modules, so that the connecting wire harness is more, the occupied space is more, the integrated level of the intelligent door lock is low, and the production cost is higher.

Disclosure of Invention

The utility model mainly aims to provide an intelligent door lock and an intelligent door lock system, which aim to improve the system integration level and reduce the production cost of the intelligent door lock.

In order to achieve the above object, the present utility model provides an intelligent door lock, which is applied to a door body, the intelligent door lock includes:

the door lock comprises a door lock body, a door lock body and a door lock cover, wherein the door lock body comprises a front lock panel, a rear lock panel and a lock body, the front lock panel is electrically connected with the rear lock panel, and the lock body is electrically connected with the rear lock panel;

The multifunctional control key is arranged on the front lock panel;

the front lock sound module is arranged on the front lock panel and is used for sending out corresponding key voice information when a user triggers the multifunctional control key, and the front lock sound module is also used for picking up and outputting first user voice information;

the rear lock sound module is arranged on the rear lock panel and is used for picking up and outputting second user voice information;

the first main controller is arranged on the front lock panel, the control end of the first main controller is respectively connected with the controlled end of the front lock sound module and the controlled end of the rear lock sound module, the first main controller is used for receiving the first user voice information and outputting the first user voice information to the rear lock sound module so as to enable the rear lock sound module to play the first user voice information, the first main controller is also used for receiving the second user voice information and outputting the second user voice information to the front lock sound module so as to enable the front lock sound module to play the second user voice information, and the first main controller is also used for controlling the front lock sound module to play key voice information or controlling the front lock sound module and the rear lock sound module to work when receiving a call switching signal output by a user triggering the multifunctional control key;

The unlocking control circuit is arranged on the rear lock panel, the input end of the unlocking control circuit is connected with the first main controller, the control end of the unlocking control circuit is connected with the lock body, and the unlocking control circuit is used for controlling the lock body to unlock when receiving an unlocking signal output by the first main controller according to a user-triggered multifunctional control key.

Optionally, the intelligent door lock further includes:

the face recognition camera is arranged on the front lock panel and is used for recognizing a face and outputting a corresponding face video signal to the first main controller;

the finger vein recognition camera is arranged on the front lock panel and is used for recognizing finger veins and outputting corresponding finger vein video signals to the first main controller;

the cat eye camera is arranged on the front lock panel and is used for shooting images and outputting corresponding cat eye video signals to the first main controller;

the first main controller is used for outputting an unlocking signal to the unlocking control circuit when the user is detected to unlock according to the face video signal or the finger vein video signal, so that the unlocking control circuit controls the lock body to unlock.

Optionally, the intelligent door lock further includes:

the audio-video processor is arranged on the front lock panel, is electrically connected with the cameras, and is used for receiving the face video signal, the finger vein video signal or the cat eye video signal, carrying out audio-video conversion on the face video signal or the finger vein video signal and then outputting the converted face video signal or the converted finger vein video signal to the first main controller, and is also used for carrying out audio-video conversion on the cat eye video signal and then outputting corresponding audio-video signals;

the video display module is arranged on the rear lock panel, is connected with the audio and video processor through a communication line, and is used for receiving the audio and video signals and displaying corresponding videos.

Optionally, the audio-video processor includes:

the pre-starting input end is connected with the output end of the first main controller, and the audio-video processor is used for receiving one or two of the face video signal, the finger vein video signal and the cat eye video signal according to the received pre-starting signal which is output by the first main controller according to the triggering of the user by the first main controller when the intelligent door lock is started.

Optionally, the audio-video processor further includes:

the video signal switching end is connected with the output end of the first main controller, and the audio and video processor is used for reading one or two of the face video signal, the finger vein video signal and the cat eye video signal when receiving the video switching signal output by the first main controller according to the triggering of the multifunctional control key by the user.

Optionally, the intelligent door lock further includes:

the storage is arranged on the front lock panel and is electrically connected with the audio-video processor, the storage is used for storing audio-video data, and the audio-video processor processes the cat eye video signal according to the audio-video data and then outputs a corresponding audio-video signal to the video display module.

Optionally, the intelligent door lock further includes:

the second main controller is arranged on the rear lock panel and is electrically connected with the first main controller, and the second main controller is electrically connected with the unlocking control circuit;

the second main controller is used for outputting an unlocking control signal to the unlocking control circuit when receiving an unlocking signal output by the first main controller user triggering the multifunctional control key, so that the unlocking control circuit controls the lock body to be unlocked.

Optionally, the intelligent door lock further includes:

a key lamp;

a respiratory light;

the light controller, light controller's input with first main control unit's output is connected, light controller's control end with the button lamp with breathe the controlled end of lamp and be connected, light controller is used for when receiving first main control unit is according to the bright lamp control signal of button trigger signal output, control corresponding button lamp or breathe lamp work.

The utility model also provides an intelligent door lock system, which comprises the intelligent door lock.

Optionally, the intelligent door lock system further comprises:

the wireless communication device is in communication connection with a rear lock panel in the intelligent door lock;

a server terminal in communication with the wireless communication device;

the user terminal is in communication connection with the server terminal;

the wireless communication device is used for outputting the audio and video signals output by the rear lock panel in the intelligent door lock to the user terminal through the server terminal.

According to the technical scheme, the intelligent door lock is composed of the door lock body, the multifunctional control keys, the front lock sound module, the rear lock sound module, the first main controller and the unlocking control circuit, so that the first main controller can trigger unlocking signals output by the multifunctional control keys to the unlocking control circuit according to users, the unlocking control circuit can control the lock body to unlock, the first main controller can also control the front lock sound module to play key voice information or control the front lock sound module and the rear lock sound module to work according to call switching signals output by the multifunctional control keys triggered by the users, and therefore users can conduct audio and video calls through the front lock sound module and the rear lock sound module of the intelligent door lock, cost is saved, and product internal space is saved; the starting speed of the system can be improved through the pre-starting end of the audio and video processor, and the user experience is improved; the video signal switching end of the audio and video processor can enable various cameras to have various combination schemes, and various requirements of users can be met. The utility model aims to improve the system integration level, reduce the production cost of the intelligent door lock and improve the experience of a user.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a functional module of an embodiment of an intelligent door lock according to the present utility model;

FIG. 2 is a schematic diagram of a functional module of another embodiment of the intelligent door lock of the present utility model;

FIG. 3 is a schematic diagram of a functional module of a smart door lock according to another embodiment of the present utility model;

FIG. 4 is a schematic diagram of a functional module of a further embodiment of the intelligent door lock according to the present utility model;

FIG. 5 is a schematic diagram of a functional module of another embodiment of the intelligent door lock of the present utility model;

FIG. 6 is a schematic diagram of a functional module of a smart door lock according to another embodiment of the present utility model;

FIG. 7 is a schematic circuit diagram of an embodiment of a light controller in an intelligent door lock according to the present utility model;

FIG. 8 is a schematic circuit diagram of an embodiment of a power module in an intelligent door lock according to the present utility model;

FIG. 9 is a schematic circuit diagram of an embodiment of a front lock sound module and a rear lock sound module in the intelligent door lock according to the present utility model;

FIG. 10 is a schematic circuit diagram of a first embodiment of a first master controller in the intelligent door lock according to the present utility model;

FIG. 11 is a schematic circuit diagram of an embodiment of an audio/video processor in an intelligent door lock according to the present utility model;

fig. 12 is a schematic circuit diagram of another embodiment of an audio/video processor in the intelligent door lock according to the present utility model;

FIG. 13 is a schematic circuit diagram of another embodiment of a first master controller in the intelligent door lock according to the present utility model;

fig. 14 is a schematic diagram of wire harness connection of an embodiment of the intelligent door lock according to the present utility model, in which the first main controller is electrically connected to the two main controllers.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Front lock panel	17	Audio and video processor
11	Multifunctional control key	20	Rear lock panel
				12	Front lock sound module	21	Rear lock sound module
13	First main controller	22	Unlocking control circuit
				14	Face recognition camera	23	Video display module
15	Finger vein recognition camera	24	Second main controller
				16	Cat eye camera	100	Door lock body
30	Wireless communication device	50	User terminal
				40	Server terminal

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides an intelligent door lock which is applied to a door body.

Referring to fig. 1 to 14, in an embodiment of the present utility model, an intelligent door lock includes:

a door lock body 100, wherein the door lock body 100 comprises a front lock panel 10, a rear lock panel 20 and a lock body, the front lock panel 10 is electrically connected with the rear lock panel 20, and the lock body is electrically connected with the rear lock panel 20;

a multifunctional control key 11 provided on the front lock panel 10;

the front lock sound module 12 is arranged on the front lock panel 10, the front lock sound module 12 is used for sending out corresponding key voice information when the user triggers the multifunctional control key 11, and the front lock sound module 12 is also used for picking up and outputting first user voice information;

a rear lock sound module 21 disposed on the rear lock panel 20, wherein the rear lock sound module 21 is used for picking up and outputting second user voice information;

the first main controller 13 is arranged on the front lock panel 10, the control end of the first main controller 13 is respectively connected with the controlled end of the front lock sound module 12 and the controlled end of the rear lock sound module 21, the input end of the first main controller 13 is connected with a plurality of cameras, the first main controller 13 is used for receiving the first user voice information and outputting the first user voice information to the rear lock sound module 21 so as to enable the rear lock sound module 21 to play the first user voice information, the first main controller 13 is also used for receiving the second user voice information and outputting the second user voice information to the front lock sound module 12 so as to enable the front lock sound module 12 to play the second user voice information, and the first main controller 13 is also used for controlling the front lock sound module 12 to play key voice information or controlling the front lock sound module 12 and the rear lock sound module 21 to work when receiving a call switching signal output by a user triggering the multifunctional control key 11;

The unlocking control circuit 22 is arranged on the rear lock panel 20, the input end of the unlocking control circuit 22 is connected with the first main controller 13, the control end of the unlocking control circuit 22 is connected with the lock body, and the unlocking control circuit 22 is used for controlling the lock body to unlock when receiving an unlocking signal output by the first main controller 13 according to the user triggering of the multifunctional control key 11.

The door lock body 100 may be composed of a front lock panel 10, a rear lock panel 20, and a lock body, wherein the front lock panel 10 and the rear lock panel 20 may be disposed on an indoor side and an outdoor side of the door, the lock body is disposed in the door, the front lock panel 10 and the rear lock panel 20 may be a housing, devices corresponding to the intelligent door lock are disposed in the housing, and the lock body may be devices having a locking function such as a lock cylinder; the multifunctional control key 11 may be composed of a plurality of physical keys, or may be a virtual key arranged on the front lock panel 10, the multifunctional control key 11 may include a password unlocking key and a function key for switching audio and video, and specific keys may be set according to actual situations; the front lock sound module 12 and the rear lock sound module 21 may be composed of a microphone and a loudspeaker, the specific product model may be selected according to the actual requirement, the microphone may receive the voice information of the user, the loudspeaker may amplify the voice information output by the sound source chip and send the amplified voice information, the specific circuit of the microphone and the loudspeaker may refer to fig. 9, the connection circuit of the first main controller 13 and the microphone and the loudspeaker may refer to fig. 10, the specific circuit of the sound source chip may refer to fig. 11, and the scheme is not limited; the first main controller 13 may be composed of a digital signal processor (Digital Signal Processor, abbreviated as DSP), a programmable logic device (Programmable Logic Device, abbreviated as PLD), a microprocessor, an MCU, a single-chip microcomputer, or other electronic components; the unlocking control circuit 22 can be composed of a MOS tube or other switching devices and other electronic elements such as resistors, and the switching devices are controlled to be turned on or off by the received electric signals to realize the on/off of a power circuit of the lock body, so that the lock body is driven to extend or retract, and the lock body is locked or unlocked.

It can be understood that in practical application, a user can unlock and open the door by inputting a password or fingerprint identification and the like; when the door is unlocked by inputting the password, a user presses a corresponding password key in the multifunctional control key 11, and the order of the pressed password key is the same as the password order stored by the first main controller 13, so that the first main controller 13 can output an unlocking signal to the unlocking control circuit 22, and the unlocking control circuit 22 can control the lock body to unlock, for example, when the unlocking control circuit 22 receives a high-level electric signal, namely the unlocking signal, the lock body can be driven to retract, so that the lock body can be controlled to unlock, and the user can open the door; when the user presses the password key to open the door, the first main controller 13 can also receive a corresponding key trigger signal and control the front lock sound module 12 to send out corresponding voice information so as to prompt the user which key is pressed, thereby improving the accuracy of password input; the intelligent door lock also has an audio and video call function, voice information of two users who want to call can be collected through the front lock sound module 12 and the rear lock sound module 21, after the voice information is processed through the voice processing chip in the first main controller 13, the voice information input by the front lock sound module 12 is sent out through the rear lock sound module 21, and the voice information input by the rear lock sound module 21 is sent out through the front lock sound module 12, so that the two users can call in real time; therefore, the scheme has two sound sources, one is a fixed key sound source, and the other is a real-time sound source for the user to talk through the front lock sound module 12 and the rear lock sound module 21, so the scheme can switch the two sound sources through the sound source switching chip, the model of the sound source switching chip can be LN3005MR-G, the model of the voice chip sending out key voice information can be F6603A, and the specific chip model of the scheme can also be selected according to the user requirement and actual situation, so the scheme is not limited. Therefore, the scheme can play the voice information of two sound sources through the front lock sound module 12 and the rear lock sound module 21 without additional sound modules, thereby saving the cost and the internal space of the product.

According to the technical scheme of the intelligent door lock, through the door lock body 100, the multifunctional control key 11, the front lock sound module 12, the rear lock sound module 21, the first main controller 13 and the unlocking control circuit 22, the first main controller 13 can trigger an unlocking signal output by the multifunctional control key 11 to the unlocking control circuit 22 according to a user, so that the unlocking control circuit 22 can control the lock body to unlock, and can control the front lock sound module 12 to play key voice information or control the front lock sound module 12 and the rear lock sound module 21 to work according to a call switching signal output by the multifunctional control key 11 triggered by the first main controller 13, so that the user can perform voice call through the front lock sound module 12 and the rear lock sound module 21, the cost is saved, and the internal space of a product is saved. The utility model aims to improve the system integration level and reduce the production cost of the intelligent door lock.

Referring to fig. 1 to 14, in an embodiment, the smart door lock further includes:

the face recognition camera 14 is arranged on the front lock panel 10, and the face recognition camera 14 is used for recognizing a face and outputting a corresponding face video signal to the first main controller 13;

A finger vein recognition camera 15 disposed on the front lock panel 10, wherein the finger vein recognition camera 15 is configured to recognize a finger vein and output a corresponding finger vein video signal to the first main controller 13;

the cat eye camera 16 is disposed on the front lock panel 10, and the cat eye camera 16 is configured to capture an image and output a corresponding cat eye video signal to the first main controller 13;

the first main controller 13 is configured to output an unlock signal to the unlock control circuit 22 when detecting unlocking of a user according to the face video signal or the finger vein video signal, so that the unlock control circuit 22 controls unlocking of the lock body.

In this embodiment, the intelligent door lock may also unlock through face recognition or finger vein recognition, and besides the face recognition camera 14 and the finger vein recognition camera 15, a corresponding camera, such as a pupil recognition camera, may be set according to the actual requirement of the user; the face recognition camera 14 can recognize the face and provide a face image for unlocking, the finger vein recognition camera 15 can recognize veins in the fingers of the user, compared with fingerprint recognition, the finger vein recognition camera is more stable, the finger vein recognition camera cannot be used because the epidermis of the fingers of the user is injured, and the human body recognition can recognize the whole image of the user and can be used for videos; the face recognition camera 14, the finger vein recognition camera 15 and the cat eye camera 16 can adopt an infrared light supplementing lamp driving chip with high conversion efficiency and high current control precision, and the specific model can be TMI5101 or other chips with image recognition conversion functions; the face recognition camera 14 and the finger vein recognition camera 15 can collect corresponding image information and output corresponding face video signals and finger vein video signals to the first main controller 13, the first main controller 13 can store corresponding correct image information, and when the image information of a user is identical to the stored image information, the first main controller 13 can output an unlocking signal to the unlocking control circuit 22 so that the unlocking control circuit 22 can control the lock body to unlock, and thus the user can open the door; the cat eye camera 16 can shoot to output cat eye video signal to the first main control unit 13, the first main control unit 13 can be with cat eye video signal output to the back lock panel, realizes the video conversation. The embodiment collects corresponding images through the face recognition camera 14, the finger vein recognition camera 15 and the cat eye camera 16, outputs the images to the first main controller 13, and performs recognition judgment on the images collected by the face recognition camera 14 and the finger vein recognition camera 15 through the first main controller 13, so that the face recognition and the finger vein recognition can be performed on a user, the images can be shot through the cat eye camera 16, multiple recognition and image shooting functions can be realized, and the application range of the intelligent door lock is increased.

Referring to fig. 1 to 14, in an embodiment, the smart door lock further includes:

the audio/video processor 17 is disposed on the front lock panel 10, the audio/video processor 17 is electrically connected with the plurality of cameras, the audio/video processor 17 is configured to receive the face video signal, the finger vein video signal, or the cat eye video signal, and output the face video signal or the finger vein video signal to the first main controller 13 after audio/video conversion, and the audio/video processor 17 is further configured to output a corresponding audio/video signal after audio/video conversion of the cat eye video signal;

the video display module 23 is disposed on the rear lock panel 20, the video display module 23 is connected with the audio/video processor 17 through a communication line, and the video display module 23 is configured to receive the audio/video signal and display a corresponding video.

In this embodiment, the audio/video processor 17 may be a device composed of a plurality of video processing chips, a sound processing chip and other electronic components, the audio amplifier in the audio/video processor 17 may be SL2102 or BCT8890EMA-TR, or may be a chip of another model, specifically may be selected according to a user requirement, the audio/video processor 17 may receive image information output by the face recognition camera 14, the finger vein recognition camera 15, the cat eye camera 16 or other cameras, and output the image information to the video display module 23 and the first main controller 13 after performing image processing, and the audio/video processor 17 may also receive and process voice information of the call sound module; the video display module 23 may be formed by a display screen and a processing chip, and the video display module 23 may receive the video signal output by the audio/video processor 17 and display corresponding video information; the audio and video processor 17 and the video display module 23 can be connected through a communication line to reduce the cost of a related communication chip and a screen driving chip, specifically can adopt an MIPI signal mode to carry out signal transmission, and can ensure the integrity and anti-interference performance of the MIPI signal through MIPI wire twisted pair and other means, for example, the backlight enable signal EN and the power-on RESET signal of the video display module 23 are changed into a controller on a rear lock plate to control, the number of pins of a connecting wire harness of the front lock plate and the rear lock plate can be effectively reduced, the production difficulty and the cost are reduced, and meanwhile, the system stability can be increased. In this embodiment, the audio/video processor 17 transmits the audio/video signal to the video display module 23 through the communication line, so that the number of pins of the front and rear lock plate connecting wire harnesses can be effectively reduced, the production difficulty and cost are reduced, and the system stability is increased.

Referring to fig. 1 to 14, in an embodiment, the av processor 17 includes:

the pre-starting input end is connected with the output end of the first main controller 13, and the audio/video processor 17 is configured to receive one or two of the face video signal, the finger vein video signal and the cat eye video signal according to a received pre-starting signal that the first main controller 13 triggers the multifunctional control key 11 to output according to a user when the intelligent door lock is started.

In this embodiment, the audio/video processor 17 may further have a pre-start input end, where the pre-start input end may be an input pin of a control chip in the audio/video processor 17, for example, the two input pins switch different states according to a change of an input level; the audio/video processor 17 can receive the pre-start signal output by the main controller through the pre-start input terminal, and because only one or two of the face video signal, the finger vein video signal and the cat eye video signal are usually needed in practical application, a user can select to press a corresponding key in the multifunctional control key 11, so that the audio/video processor 17 preferentially reads one or two of the face video signal, the finger vein video signal and the cat eye video signal when the intelligent door lock is started; because the intelligent door lock has the video function except unlocking, when the user selects unlocking or selects video, the intelligent door lock can be preferentially started to receive the digital vein or the face video signal so as to process the digital vein or the face video signal, or the cat eye video signal required by the video can be firstly started to process the cat eye video signal, for example, if the user wants to unlock through the digital vein, the intelligent door lock can be set to be preferentially unlocked through the digital vein by pressing the multifunctional control key 11, then when the user wakes up the intelligent door lock to unlock, the audio/video processor 17 can firstly receive the digital vein video signal and process the digital vein, or the user wants to perform video through the intelligent door lock, the intelligent door lock can be set to be in a video call mode by pressing the multifunctional control key 11, and at the moment, the audio/video processor 17 can preferentially receive the cat eye video signal and process the cat eye video signal, so the quick start of the system can be realized, and the experience of the user is improved. In this embodiment, the pre-start input end of the audio/video processor 17 receives the pre-start signal output by the first main controller 13, so that the audio/video processor 17 can preferentially read one or two of the face video signal, the finger vein video signal and the cat eye video signal, thereby realizing quick start of the system and improving user experience.

Referring to fig. 1 to 14, in an embodiment, the audio/video processor 17 further includes:

the video signal switching end is connected with the output end of the first main controller 13, and the audio/video processor 17 is configured to read one or two of the face video signal, the finger vein video signal, and the cat eye video signal when receiving the video switching signal output by the first main controller 13 according to the user triggering the multifunctional control key 11.

In this embodiment, the audio/video processor 17 has a video signal switching end, the video signal switching end may be an input pin of a control chip in the audio/video processor 17, a specific circuit of the control chip in the audio/video processor 17 may refer to fig. 12, and a specific output end circuit of the first main controller 13 connected to the video signal switching end may refer to fig. 13, for example, two input pins may switch different states according to a change of an input level; in practical applications, referring to the above embodiments, the audio/video processor 17 may process the video signals output by one or two cameras according to the pre-start signal to unlock the video signals, but the pre-start signal may process the video signals output by one or two cameras to unlock the video signals, so that the user may select other unlocking modes by pressing the video switching signal corresponding to the output of the function control button, at this time, the audio/video processor 17 may perform video conversion processing on another one or two of the face video signal, the finger vein video signal or the cat eye video signal, for example, the user may switch to finger vein recognition when finding that the face recognition fails, so that in this embodiment, the audio/video processor 17 may receive the video switching signal output by the first main controller 13 through the video signal switching end, and may read one or two of the face video signal, the finger vein video signal or the cat eye video signal according to the video switching signal, so that a scheme of multiple camera combinations may be applicable to different situations, and the video switching signal output by the main controller may be the user pressing the corresponding output of the multiple function control button 11. In this embodiment, the audio/video processor 17 may receive the video switching signal through the video signal switching device, perform audio/video conversion on one or two of the face video signal, the finger vein video signal or the cat eye video signal, and output the corresponding audio/video signal to the video display module 23.

In an embodiment, the intelligent door lock further comprises:

the storage is arranged on the front lock panel 10 and is electrically connected with the audio/video processor 17, the storage is used for storing audio/video data, and the audio/video processor 17 processes the cat eye video signal according to the audio/video data and then outputs a corresponding audio/video signal to the video display module 23.

In this embodiment, the memory may adopt a dual NOR FLASH scheme, where one NOR FLASH adopts a communication manner of four-wire SPI with faster transmission, for storing data that needs to be picked up quickly, such as face recognition, finger vein recognition, etc., and the other NOR FLASH adopts a communication manner of two-wire SPI with faster transmission, for storing data that does not need to be picked up quickly, such as human body recognition, upgrading firmware package, etc.; the data of the memory can form a corresponding audio/video recognition model and the like, and the audio/video processor 17 can process the cat eye video signal according to the audio/video recognition model and then output the corresponding audio/video signal to the video display module 23; under the condition of the same storage space, the scheme of the double NOR FLASH can reduce about one third of cost, and simultaneously can ensure that the image and audio/video processing module can quickly pick up corresponding required data, thereby realizing the functions of quick start, identification and the like of related functions of the system. In this embodiment, the audio and video data is stored by the scheme of the dual NOR FLASH, so that the processing speed of the audio and video processor 17 can be increased, and the production cost can be reduced.

Referring to fig. 1 to 14, in an embodiment, the smart door lock further includes:

a second main controller 24 disposed on the rear lock panel 20, the second main controller 24 being electrically connected to the first main controller 13, the second main controller 24 being electrically connected to the unlock control circuit 22;

the second main controller 24 is configured to output an unlock control signal to the unlock control circuit 22 when receiving an unlock signal output by the user of the first main controller 13 when triggering the multifunctional control key 11, so that the unlock control circuit 22 controls the lock body to unlock.

In this embodiment, the second main controller 24 may also adopt a digital signal processor (Digital Signal Processor, abbreviated as DSP), a microprocessor, an MCU, a single chip microcomputer or other electronic components, and the second main controller 24 may receive the unlock signal output by the first main controller 13 and output a corresponding unlock control signal to the unlock control circuit 22, so as to control the lock body to unlock; the second main controller 24 can also receive the audio and video signals output by the first main controller 13 and output the audio and video signals to the video display module 23, so that the video display module 23 can display corresponding video information; the specific connection harness of the first main controller and the second main controller may refer to fig. 14, and specific reference lengths of the harnesses are marked in fig. 14, and the unit may be millimeter, which is not limited in this scheme. In this embodiment, the second main controller 24 is electrically connected with the first main controller 13 and the lock body, and can output an unlocking control signal to the unlocking control circuit 22 according to the unlocking signal output by the first main controller 13, so that the unlocking control circuit 22 controls the lock body to unlock.

Referring to fig. 1 to 14, in an embodiment, the smart door lock further includes:

a key lamp;

a respiratory light;

the input end of the light controller is connected with the output end of the first main controller 13, the control end of the light controller is connected with the key lamp and the controlled end of the breathing lamp, and the light controller is used for controlling the corresponding key lamp or breathing lamp to work when receiving the lighting control signal output by the first main controller 13 according to the key trigger signal.

In this embodiment, the intelligent door lock may further have a key lamp and a breathing lamp, where the key lamp and the breathing lamp may be an LED lamp, a halogen lamp, a fluorescent lamp, etc., and the key lamp is used to be turned on when the user presses the key to input a password, so as to prompt the user, and the breathing lamp may represent a working state of the intelligent door lock, such as a green working state, a red dormant state, etc.; the light controller is the device of control button lamp and breathing lamp work, can be TM5020A control chip or other model's control chip, specific model can select according to actual demand, adopts TM5020A control chip as light controller, can only occupy under the condition of 3 GPIO interfaces of front lock plate main control unit, realizes the control to a plurality of button lamps and breathing lamp, effectively improves system integration, reduce cost, and specific light controller circuit can refer to FIG. 7, and this scheme does not do the restriction. In this embodiment, the light controller receives the lighting control signal of the first main controller 13 to control the corresponding key lamp or breathing lamp to work, so as to improve the system integration level and reduce the production cost.

Referring to fig. 1 to 14, in an embodiment, the power supply module of the front lock panel 10 and the power supply module of the rear lock panel 20 may use high conversion efficiency and low quiescent current synchronous buck DC/DC converters, so as to provide continuous, efficient and stable power supply for the first main controller 13 of the front lock panel 10 and the second main controller 24 of the rear lock panel 20 in the system in a low power consumption keep-alive state, so that overall power consumption of the system is effectively reduced, product endurance is improved, specific models of the converters may be JW5710DFNP or TPS62745DSSR, specific models may be selected according to actual requirements, specific circuits may refer to fig. 8, and the scheme is not limited. In addition, the audio and video processor 17, the front lock sound module 12, the first main controller 13 and other devices can be integrated in the front lock panel 10, so that high-speed communication of system audio and video signals is realized, a connecting wire harness in the system is omitted, and the problem that the chip temperature is too high due to too small PCB of the traditional audio and video processor 17 can be solved.

The utility model also provides an intelligent door lock system, which comprises the intelligent door lock. The specific structure of the intelligent door lock refers to the above embodiments, and because the intelligent door lock system adopts all the technical solutions of all the embodiments, the intelligent door lock system at least has all the beneficial effects brought by the technical solutions of the embodiments, and the details are not repeated here.

Referring to fig. 1 to 14, in an embodiment, the smart door lock system further includes:

a wireless communication device 30 in communication with the rear lock panel 20 in the intelligent door lock;

a server terminal 40 communicatively connected to the wireless communication device 30;

a user terminal 50 connected to the server terminal 40 in communication;

the wireless communication device 30 is configured to output an audio/video signal output by the rear lock panel 20 in the intelligent door lock to the user terminal 50 through the server terminal 40.

In this embodiment, the wireless communication device 30 may be a device capable of implementing remote wireless communication, such as a router or WiFi, where the wireless communication device 30 may communicate with a wireless communication circuit or a wireless communication chip in the rear lock panel 20, the type of the WiFi chip may be XR806BF2L, the chip may be an external low-frequency clock signal pin, the clock frequency of the pin may be set to 32.768KHz, the specific frequency may be set according to actual needs, and the partial circuit is applied to the clock circuit in the first main controller 13, thereby implementing a low-power keep-alive function of the system, reducing the production cost of the system, reducing the occupation space of the device, improving the product stability, the wireless communication device 30 may receive an audio and video signal output from the rear lock panel 20, and then output the audio and video signal to the server terminal 40 after communication conversion, the server terminal 40 may be a cloud or a computer, the user may pick up an audio and video signal in the server terminal 40 through the user terminal 50, the user terminal 50 may be a device such as a mobile phone or bluetooth, and the user may also be able to control the audio and video signal in the intelligent door lock device 30 to the wireless communication device through the user terminal 50 and the wireless communication device or the rear lock panel 40 to the wireless communication device, and the wireless communication device may also output an intelligent door lock device 30 to the wireless communication device; thus, the remote communication function and the video function can be realized. In order to ensure stable connection of WiFi signals and indoor routing, the WiFi antenna module can be integrated on the rear lock panel, and is connected with the WiFi communication module on the front lock panel through the radio frequency coaxial connecting wire, the type of the connector female seat on the radio frequency coaxial connecting wire and the PCB board can be MMCX-KWE, and the type of the male seat can be MMCX-JB2. The present embodiment can realize the remote call and video functions through the wireless communication device 30, the server terminal 40, and the user terminal 50.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. An intelligent door lock is applied to the door body, its characterized in that, intelligent door lock includes:

the door lock comprises a door lock body, a door lock body and a door lock cover, wherein the door lock body comprises a front lock panel, a rear lock panel and a lock body, the front lock panel is electrically connected with the rear lock panel, and the lock body is electrically connected with the rear lock panel;

the multifunctional control key is arranged on the front lock panel;

the front lock sound module is arranged on the front lock panel and is used for sending out corresponding key voice information when a user triggers the multifunctional control key, and the front lock sound module is also used for picking up and outputting first user voice information;

the rear lock sound module is arranged on the rear lock panel and is used for picking up and outputting second user voice information;

the first main controller is arranged on the front lock panel, the control end of the first main controller is respectively connected with the controlled end of the front lock sound module and the controlled end of the rear lock sound module, the first main controller is used for receiving the first user voice information and outputting the first user voice information to the rear lock sound module so as to enable the rear lock sound module to play the first user voice information, the first main controller is also used for receiving the second user voice information and outputting the second user voice information to the front lock sound module so as to enable the front lock sound module to play the second user voice information, and the first main controller is also used for controlling the front lock sound module to play key voice information or controlling the front lock sound module and the rear lock sound module to work when receiving a call switching signal output by a user triggering the multifunctional control key;

The unlocking control circuit is arranged on the rear lock panel, the input end of the unlocking control circuit is connected with the first main controller, the control end of the unlocking control circuit is connected with the lock body, and the unlocking control circuit is used for controlling the lock body to unlock when receiving an unlocking signal output by the first main controller according to a user-triggered multifunctional control key.

2. The intelligent door lock of claim 1, wherein the intelligent door lock further comprises:

the face recognition camera is arranged on the front lock panel and is used for recognizing a face and outputting a corresponding face video signal to the first main controller;

the finger vein recognition camera is arranged on the front lock panel and is used for recognizing finger veins and outputting corresponding finger vein video signals to the first main controller;

the cat eye camera is arranged on the front lock panel and is used for shooting images and outputting corresponding cat eye video signals to the first main controller;

the first main controller is used for outputting an unlocking signal to the unlocking control circuit when the user is detected to unlock according to the face video signal or the finger vein video signal, so that the unlocking control circuit controls the lock body to unlock.

3. The intelligent door lock of claim 2, wherein the intelligent door lock further comprises:

the audio-video processor is arranged on the front lock panel, is electrically connected with the cameras, and is used for receiving the face video signal, the finger vein video signal or the cat eye video signal, carrying out audio-video conversion on the face video signal or the finger vein video signal and then outputting the converted face video signal or the converted finger vein video signal to the first main controller, and is also used for carrying out audio-video conversion on the cat eye video signal and then outputting corresponding audio-video signals;

the video display module is arranged on the rear lock panel, is connected with the audio and video processor through a communication line, and is used for receiving the audio and video signals and displaying corresponding videos.

4. The intelligent door lock according to claim 3, wherein said audio video processor comprises:

the pre-starting input end is connected with the output end of the first main controller, and the audio-video processor is used for receiving one or two of the face video signal, the finger vein video signal and the cat eye video signal according to the received pre-starting signal which is output by the first main controller according to the triggering of the user by the first main controller when the intelligent door lock is started.

5. The intelligent door lock according to claim 3, wherein said audio video processor further comprises:

the video signal switching end is connected with the output end of the first main controller, and the audio and video processor is used for reading one or two of the face video signal, the finger vein video signal and the cat eye video signal when receiving the video switching signal output by the first main controller according to the triggering of the multifunctional control key by the user.

6. The intelligent door lock according to claim 3, wherein the intelligent door lock further comprises:

the storage is arranged on the front lock panel and is electrically connected with the audio-video processor, the storage is used for storing audio-video data, and the audio-video processor processes the cat eye video signal according to the audio-video data and then outputs a corresponding audio-video signal to the video display module.

7. The intelligent door lock of claim 1, wherein the intelligent door lock further comprises:

the second main controller is arranged on the rear lock panel and is electrically connected with the first main controller, and the second main controller is electrically connected with the unlocking control circuit;

The second main controller is used for outputting an unlocking control signal to the unlocking control circuit when receiving an unlocking signal output by the first main controller user triggering the multifunctional control key, so that the unlocking control circuit controls the lock body to be unlocked.

8. The intelligent door lock of claim 1, wherein the intelligent door lock further comprises:

a key lamp;

a respiratory light;

the light controller, light controller's input with first main control unit's output is connected, light controller's control end with the button lamp with breathe the controlled end of lamp and be connected, light controller is used for when receiving first main control unit is according to the bright lamp control signal of button trigger signal output, control corresponding button lamp or breathe lamp work.

9. An intelligent door lock system, characterized in that it comprises an intelligent door lock according to any one of claims 1-8.

10. The intelligent door lock system according to claim 9, wherein the intelligent door lock system further comprises:

the wireless communication device is in communication connection with a rear lock panel in the intelligent door lock;

A server terminal in communication with the wireless communication device;

the user terminal is in communication connection with the server terminal;

the wireless communication device is used for outputting the audio and video signals output by the rear lock panel in the intelligent door lock to the user terminal through the server terminal.

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