CN203982471U

CN203982471U - Bluetooth both-way communication smart lock

Info

Publication number: CN203982471U
Application number: CN201420422162.XU
Authority: CN
Inventors: 许加庆; 李仕平; 杨群
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-07-30
Filing date: 2014-07-30
Publication date: 2014-12-03
Anticipated expiration: 2024-07-30

Abstract

The utility model discloses bluetooth both-way communication smart lock, comprise mechanical part, motor module, controller module, memory module, clock module, touch screen module, sound module, power module, bluetooth module, cage, doorframe contact, leave button, pilot lamp, key controller module, key power module, load module, key bluetooth module and key clock module.It is characterized in that: the position that effectively judges key and smart lock by the intensity of Bluetooth signal; Mode with intelligent lock & key both-way communication is identified mutually, and just sends key cipher after identifying successfully, uses current time to utilize aes algorithm to be encrypted transmission information as key.Compared with prior art, the utility model does not have personnel's proximity transducer, and system is simpler, and power consumption is lower; Bi-directional matching protection key cipher, prevents that key from copying; Transferring content changes in real time, prevents from monitoring, safer.

Description

Bluetooth both-way communication smart lock

Technical field

The utility model relates to electric lockset technical field, relates in particular to a kind of bluetooth both-way communication smart lock.

Background technology

In order to remove the troublesome operation of inserting key unlocking, a lot of electronic locks are controlled system and are all passed through wireless transmission control information.Along with the continuous renewal of Bluetooth technology is regenerated, power consumption control has reached gratifying degree, and the universal of smart mobile phone also makes Bluetooth mobile terminal easily available, thus electronic lock and Bluetooth technology be combined into the megatrend for future, also there is on the market multiple Related product.But the characteristic of bluetooth determined, its transmission data are easily intercepted by other communication apparatus, and the information of unblanking is easily replicated, and this litigant of copying even do not know, harm is more far more than mechanical key.Utility model patent CN201410087190.5 discloses a kind of Bluetooth electronic automatic locking system and method for switching thereof, use Bluetooth address as basis of characterization, solved the problem of identification coupling, but for equipment, Bluetooth address not can not be forged, so the method can not stop this problem completely, has set up sensing unit in its system simultaneously, make complex system, increased the power consumption of system.

Summary of the invention

The purpose of this utility model solves the above-mentioned problems in the prior art exactly, a kind of bluetooth both-way communication smart lock is provided, can effectively solves existing Bluetooth electronic lock communication process and easily be stolen and copy, security is low, system architecture is complicated, the problem of complex operation.

To achieve these goals, technical solution of the present utility model is: bluetooth both-way communication smart lock, it is characterized in that: smart lock and key, consist of, described smart lock comprises mechanical part, motor module, controller module, memory module, clock module, touch screen module, sound module, power module, bluetooth module, cage, doorframe contact, leaves button and pilot lamp; Described key comprises key controlled device module processed, key power module, load module, key bluetooth module and key clock module.Described motor module, memory module, clock module, touch screen module, sound module, power module, bluetooth module, doorframe contact, leave button and all by wire, be connected with controller module with pilot lamp, described mechanical part is connected with motor module, and controller module can be controlled mechanical part by motor module and complete and unblank and upper latching operation; Described key power module, load module, key bluetooth module and key clock module are all connected with key controller module by wire.

Described cage is semisphere, and described bluetooth module is installed on cage sphere center position, the cage opening surface propylaeum outside described in during installation.

Described cage is metal material, has the effect of counterchecking electromagnetic wave, and it toward reflection outdoors, strengthens the Bluetooth signal of outer side of door by most of Bluetooth signal, weakens the Bluetooth signal of an inner side.

Smart lock can be by described bluetooth module at interval of within 0.5 second, sending one time broadcast singal, described broadcast singal includes lock ID data, the RSSI value that receives broadcast singal when key is greater than setting value, think that the distance of key and smart lock is enough near, this people is likely owner, starts the flow process of unblanking.

Due to the existence of described cage, described broadcast singal RSSI value inside door can not be greater than setting value, so key can not start the described flow process of unblanking while approaching smart lock from interior survey.

The described flow process of unblanking first sends key ID data to smart lock by key by described key bluetooth module, after smart lock is received described key ID data, in memory module, search, if this key ID exists, send lock cipher to key, after key receives described lock cipher, verify, if this lock cipher is correct, key sends key cipher to smart lock, smart lock is being verified key cipher, if key cipher is correct, controller module is controlled mechanical part by motor module and carried out unlock operation.

Described key ID, lock cipher and key cipher all include check information, and at transmitting terminal, in transmitting procedure, use current time to carry out AES encryption as key, receiving end is received after ciphertext, the same current time of using is decoded as key, if check information is not right after decoding, pass certain meeting forward or backward and decode again, if still verification is not right, give up information.

Described doorframe contact is positioned at dead bolt rear, make to be screwed on lock body, when door, shut, doorframe is pressed into dead bolt, touch doorframe contact, doorframe contact is disconnected, and when door is opened, dead bolt stretches out, the doorframe closing of contact, because the time that door is closed is longer, therefore when door is closed, the state of contact, for disconnecting, reduces equipment power dissipation.

Described pilot lamp is positioned at and leaves key inside, when luminous, light can be outwards luminous through leaving button, and the described button that leaves is touch key-press, is positioned at door lock outer side panel, and volume is larger, convenient touch, after visiting in pass, doorframe contact detects door and closes, the pilot lamp meeting green glow of bright 5 seconds, if now touch and leave button, the pilot lamp meeting ruddiness of bright 3 seconds, now system enters the pattern of leaving.

The described pattern of leaving thinks and if there have people to enter by improper means such as windows to be indoor, and attempts no one in room to leave by door, and it opens door, triggers the moment of doorframe contact, and system can give the alarm by sound module; If there is key to approach, by the described flow process of unblanking, be that the described mechanical part of motor module control is unblanked, can not touch alarm, and close the pattern of leaving.

Described key can be independent equipment, can be also the smart mobile phone with Bluetooth function.

The beneficial effects of the utility model are: by the intensity judgement key of Bluetooth signal and the distance of smart lock, key approaches smart lock automatic door opening, removes loaded down with trivial details operation from; Key and smart lock only have bi-directional matching just can send password, prevent from that key information is stolen to copy; The Content of Communication of key and smart lock be take the time as key, with AES, is encrypted, and Content of communciation changes in real time, even if steal also, cannot reuse, and guarantees that smart lock can be by pirate of the open; Set up the pattern of leaving, prevent that thief from entering indoorly by climbing the means such as window, protects indoor property safety in all directions.

Accompanying drawing explanation

Fig. 1 is one-piece construction schematic diagram of the present utility model.

Fig. 2 is the scheme of installation of dead bolt contact.

Fig. 3 is the scheme of installation of cage and bluetooth module.

Fig. 4 is the utility model communication flow figure that unblanks.

In way: 1-mechanical part, 2-motor module, 3-controller module, 4-memory module, 5-clock module, 6-touch screen module, 7-sound module, 8-power module, 9-bluetooth module, 10-cage, 11-doorframe contact, 12-leaves button, 13-pilot lamp, 14-key controller module, 15-key power module, 16-load module, 17-key bluetooth module, 18-key clock module, 19-dead bolt, 20-screw, 21-door lock outer side panel.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described further.

As shown in Figure 1, the utility model is comprised of smart lock and key, and described smart lock comprises mechanical part 1, motor module 2, controller module 3, memory module 4, clock module 5, touch screen module 6, sound module 7, power module 8, bluetooth module 9, cage 10, doorframe contact 11, leaves button 12 and pilot lamp 13; Described key comprises key controlled device module 14 processed, key power module 15, load module 16, key bluetooth module 17 and key clock module 18.Described motor module 2, memory module 4, clock module 5, touch screen module 6, sound module 7, power module 8, bluetooth module 9, doorframe contact 11, leave button 12 and all by wire, be connected with controller module 3 with pilot lamp 13, described mechanical part 1 is connected with motor module 2, and controller module 3 can be completed and be unblanked and upper latching operation by motor module 2 control mechanical parts 1; Described key power module 15, load module 16, key bluetooth module 17 and key clock 18 modules are all connected with key controller module 14 by wire.

As shown in Figure 2, fixedly dead bolt 19 rears of screw 20 are passed through in doorframe contact 11, when door is closed, dead bolt 19 is pushed in lockset by doorframe, touches doorframe contact 11, makes doorframe contact 11 be switched to off-state, 3 of notification controller modules are with through shutting, the time of closing due to door, when therefore door is closed, doorframe contact 11 was off-state, reduces power consumption more than opening time.

As shown in Figure 3, cage 10 is semisphere, opening propylaeum outside, material is metal, can counterchecking electromagnetic wave, bluetooth module 9 is positioned at cage centre of sphere place, the impact of receiving cage 10, the signal that bluetooth module 9 sends is more toward transmitting outdoors, that signal is stronger outdoors, and door in signal a little less than, when key approaches smart lock from outside, signal detected and be better than setting value, automatically enter the flow process of unblanking; And key approaches from inner side, although there is Bluetooth signal, signal intensity is not enough, can not enter the flow process of unblanking.

As shown in Figure 4, when key detects the be greater than-60dbm of RSSI value of the broadcast singal of smart lock, illustrate that key enters active position, i.e. one meter of left and right scope of outer side of door, system is thought and is entered the flow process of unblanking by this people needs of unblanking.First key sends key ID data to smart lock, smart lock judges whether this key ID data exist, the words smart lock existing sends lock cipher to key, key judges after receiving lock cipher equally, lock cipher effectively key sends key cipher to smart lock, smart lock judges after receiving key cipher, this key cipher is effectively carried out unlock operation, key and smart lock are by three communications, after identification the other side, just send encrypted message, prevent that password from being read out by equipment, prevent that key is replicated.

Claims

1. bluetooth both-way communication smart lock, it is characterized in that: smart lock and key, consist of, described smart lock comprises mechanical part, motor module, controller module, memory module, clock module, touch screen module, sound module, power module, bluetooth module, cage, doorframe contact, leaves button and pilot lamp; Described key comprises key controlled device module processed, key power module, load module, key bluetooth module and key clock module; Described motor module, memory module, clock module, touch screen module, sound module, power module, bluetooth module, doorframe contact, leave button and all by wire, be connected with controller module with pilot lamp, described mechanical part is connected with motor module, and controller module can be controlled mechanical part by motor module and complete and unblank and upper latching operation; Described key power module, load module, key bluetooth module and key clock module are all connected with key controller module by wire; Described cage is semisphere, and described bluetooth module is installed on cage sphere center position, the cage opening surface propylaeum outside described in during installation.

2. bluetooth both-way communication smart lock according to claim 1, it is characterized in that: described doorframe contact is positioned at dead bolt rear, make to be screwed on lock body, when door, shut, doorframe is pressed into dead bolt, touches doorframe contact, doorframe contact is disconnected, when door is opened, dead bolt stretches out, the doorframe closing of contact.

3. bluetooth both-way communication smart lock according to claim 1, is characterized in that: described pilot lamp is positioned at and leaves key inside, and when luminous, light can be outwards luminous through leaving button, and the described button that leaves is touch key-press, is positioned at door lock outer side panel.