CN208848267U - A kind of blue-tooth intelligence door lock - Google Patents
A kind of blue-tooth intelligence door lock Download PDFInfo
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- CN208848267U CN208848267U CN201821630394.9U CN201821630394U CN208848267U CN 208848267 U CN208848267 U CN 208848267U CN 201821630394 U CN201821630394 U CN 201821630394U CN 208848267 U CN208848267 U CN 208848267U
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Abstract
A kind of blue-tooth intelligence door lock, including BLE main control module, lock tongue state monitoring module, motor drive module, external interface module, power module, battery voltage monitoring module and buzzer module, lock tongue state monitoring module and battery voltage monitoring module are connected to BLE main control module, and BLE main control module is connected to buzzer module and motor drive module；Motor drive module is connected to lock core；Power module is respectively that BLE main control module, lock tongue state monitoring module, motor drive module, power module, battery voltage monitoring module and buzzer module carry out uninterrupted power supply.The utility model, hardware plan design fully considers that consumer replaces the inconvenience of battery, utmostly optimizes power consumption, promotes cruising ability.128 AES encryption algorithms are added on software simultaneously, the encryption Key of each lock is different, and the safety for greatly promoting door lock data communication and using, final high degree improves door lock usage experience, can be with the intelligence of good experience household.
Description
Technical field
The utility model relates to a kind of blue-tooth intelligence door locks.
Background technique
Currently, door lock in our daily life, there is very important status, it is to provide safety and protection for people
Function, but traditional locks in security performance as a little less use up people's will.In particular with scientific and technological development and in recent years
The rise of smart home, tradition machinery locks the demand for not being able to satisfy people increasingly, and the advantage of intelligent lock technology is more and more bright
Aobvious, also just gradually replacing mechanical lock becomes the new leading role of lockset industry.In smart home, blue-tooth intelligence door lock is very popular
Smart home product, security performance is that very high and practicability is also very strong.Under the big tide of smart home, the intelligence of door lock
Energyization also becomes a kind of trend, the layout and promotion of industry manufacturer, and intelligent door lock scheme is come into being.And the intelligent door lock of bluetooth
It is mainstream selection both domestic and external, this is also the most basic solution of current intelligent door lock.
Blue-tooth intelligence door lock scheme on the market, there are safeties it is poor, power consumption is high the problems such as.Safety difference is mainly bluetooth
When door lock and mobile phone application are communicated, using plaintext communication or fixed frame format or fixed-encryption mode, it is easy by hacker
Communication data packet is intercepted, brings major safety risks to household safe.Another question contains Bluetooth communication in Bluetooth door lock
Module, needing to power could work.And door lock space is limited, is generally powered using dry cell to bluetooth module, on the market not
Few product is short of in hardware plan type selecting and in software algorithm optimization, and power consumption is big, causes cruising ability poor, and door lock needs
Often replacement battery.Inconvenience is brought to user.
Existing product on the market, there are safeties it is poor, power consumption is high the problems such as.Safety difference is mainly Bluetooth door lock and mobile phone
When using being communicated, using plaintext communication or fixed frame format or fixed-encryption mode, it is easy to be intercepted communication number by hacker
According to packet, major safety risks are brought to household safe.The high problem of power consumption causes consumer's frequent to replace door lock battery, very inconvenient
Benefit.
Utility model content
The utility model is mainly the upgrading experience realized and improved to conventional door lock, on the basis of conventional door lock,
Install blue-tooth intelligence communication module additional, on the basis of not changing original door lock function, add your mobile phone unlocking function.Mobile phone application journey
Sequence, wechat small routine can be used to lock on the door and carry out unlocking operation, the convenience and intelligence that lifting door lock uses.Also it solves
Forget the awkward problem that can not be opened the door with key.The utility model, hardware plan design fully consider that consumer replaces battery
Inconvenience, utmostly optimize power consumption, promote cruising ability.It is added 128 AES encryption algorithms on software simultaneously, each
The encryption Key of lock is different, and the safety for greatly promoting door lock data communication and using, final high degree improves door
Usage experience is locked, it can be with the intelligence of good experience household.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of blue-tooth intelligence door lock, including BLE master
Control module, lock tongue state monitoring module, motor drive module, external interface module, power module, battery voltage monitoring module and
Buzzer module, lock tongue state monitoring module and battery voltage monitoring module are connected to BLE main control module, BLE master control mould
Block is connected to buzzer module and motor drive module；Motor drive module is connected to lock core；Power module is respectively BLE
Main control module, lock tongue state monitoring module, motor drive module, power module, battery voltage monitoring module and buzzer module
Carry out uninterrupted power supply.
The utility model compared to the prior art, the advantage is that:
(1) the utility model uses TICC2541 chip platform, is a to apply for low energy consumption and privately owned 2.4-GHz
Power optimization real piece loading system (SoC) solution.CC2541 is by the outstanding performance of leading RF transceiver and an industry
Enhanced 8051MCU, In-System Programmable flash memories, 8-KBRAM and many other powerful characteristics of boundary mark standard
Together with peripheral combination.It is highly suitable to be applied for needing the system of super low energy consumption, substantially reduces the frequency that user replaces battery.
In addition, being communicated on software using AES128 bit encryption BLE, it is difficult to crack and intercept and capture, communications security is greatly improved.
(2) 128 AES encryption algorithms are added on the utility model software, the encryption Key of each lock is different,
The data communication of unlocking process, safety greatly promote.In addition, either Android or IOS system, all to bluetooth discovery, even
Termination process has carried out process optimization, substantially shortens uncaging time, can control within 2 seconds, and two on the market to mark product, substantially
On in four five-second periods.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the control schematic diagram of the utility model blue-tooth intelligence door lock；
Fig. 2 is the flow diagram of the utility model blue-tooth intelligence door lock；
Fig. 3 is the circuit connection diagram of the utility model blue-tooth intelligence door lock；
Fig. 4 is the circuit connection diagram of the utility model blue-tooth intelligence door lock；
Fig. 5 is the circuit connection diagram of the utility model blue-tooth intelligence door lock；
Fig. 6 is the circuit connection diagram of the utility model blue-tooth intelligence door lock；
Fig. 7 is the circuit connection diagram of the utility model blue-tooth intelligence door lock；
Fig. 8 is the circuit connection diagram of the utility model blue-tooth intelligence door lock；
Fig. 9 is the circuit connection diagram of the utility model blue-tooth intelligence door lock；
Figure 10 is the circuit connection diagram of the utility model blue-tooth intelligence door lock.
Description of symbols: BLE main control module 1, lock tongue state monitoring module 2, motor drive module 3, external interface mould
Block 4, power module 5, battery voltage monitoring module 6 and buzzer module 7.
Specific embodiment
Exemplary embodiment disclosed by the utility model is more fully described below with reference to accompanying drawings, these embodiments be for
It can thoroughly understand the utility model, and range disclosed by the utility model can be communicated completely to this field
Technical staff.Although showing exemplary embodiment disclosed by the utility model in attached drawing, it being understood, however, that this is practical new
Type and should not be limited by the embodiments set forth herein.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description the utility model, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance.Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " company
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
Those of ordinary skill for, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
A kind of blue-tooth intelligence door lock, including it is BLE main control module 1, lock tongue state monitoring module 2, motor drive module 3, outer
Connection interface module 4, power module 5, battery voltage monitoring module 6 and buzzer module 7 are it is characterized in that, lock tongue status monitoring mould
Block 2 and battery voltage monitoring module 6 are connected to BLE main control module 1, and BLE main control module 1 is connected to buzzer module
7 and motor drive module 3；Motor drive module 3 is connected to lock core；Power module 5 is respectively BLE main control module 1, lock tongue state
Monitoring modular 2, motor drive module 3, power module 5, battery voltage monitoring module 6 and buzzer module 7 are uninterruptedly supplied
Electricity.
Specifically optimize: BLE main control module 1 use TICC2541 chip platform, inside have 8KBRAM,
256KBFlash, 128 application development and control, operation and load AES encryption and decryption for door lock control, performance is foot
No more；The stamp hole module design that the module uses, convenient for the multiplexing of different product.
Specifically optimize: lock tongue state monitoring module 2 is monitored by three GPIO pins of BLE, can be supervised simultaneously
It surveys lock tongue/unlocking manually/and locks three states, when a status changes, BLE master control is interrupted wake-up processing, and in time by state
Information upload server.
Specifically optimize: motor drive module 3, the two channel push-pull type power amplification specific integrated circuit devices used
Discrete circuit is integrated among monolithic IC by part, makes the reduction of peripheral components cost, and whole aircraft reliability improves；There are two the chips
The input of the compatible level of TTL/CMOS, has good anti-interference；Forward and reverse fortune of two output end energy direct-driving motors
Dynamic, it has biggish current driving ability, and every channel can be by the follow current of 800mA, and peak current capability is up to 1.5A；
It has lower output saturation voltage drop simultaneously；Built-in clamp diode can discharge the reverse impact electric current of inductive load, make
It is safe and reliable in the use of driving direct current generator；The module is powered using the battery of door lock, and passes through two GPIO of BLE
Signal is controlled.
Specifically optimize: external interface module 4, for connecting the circuit control panel and door lock core of original door lock, the reality
It is functional with the novel institute for not influencing original door lock circuit control panel.
Specifically optimize: power module 5, using LDO chip, input power has the battery of door lock to be powered, output
Power supply of the 3.3V power supply with BLE and other modules.
Specifically optimize: battery voltage monitoring module 6 is monitored by 12 ADC pins of BLE, and software can be solid
To battery voltage sampling in fixed period, and upload server；In order to guarantee the accuracy of ADC sampling, multiple repairing weld is used
And average algorithm is realized.
Specifically optimize: buzzer module 7 is controlled using active buzzer scheme by the GPIO low and high level of BLE
System, is reminded or early warning user using alternative sounds combination.
Safety for bluetooth, the utility model carry out data transmission using 128 AES symmetric encipherment algorithms,
Meanwhile exception and safety in order to guarantee Bluetooth data transfer process, CRC16 is added and carries out data check, it is ensured that data
Correctness.Data flow is shown in Fig. 2.For the unlocking that mobile phone terminal is initiated, mobile phone terminal meeting dual lock data packet carries out data group packet, packet
Each function code, data length, valid data etc. are included, 128 AES encryption data are then used, encryption key here is different
Lock, be all unique, and do not repeat.Next CRC16 data check is carried out to encryption data and Meaning transfer is handled.
Finally, in addition packet header and packet tail, mobile phone is transferred to blue-tooth intelligence door lock end by bluetooth BLE and is opened to the data handled
Lock movement.End lock every time, cloud can all update the unlocking code unlocked next time to blue-tooth intelligence door lock module, it is ensured that safely
Property.Blue-tooth intelligence door lock module and mobile phone terminal have arranged privately owned communication protocol and data exchange format, for blue-tooth intelligence door
Lock, it is only received and processing specific data, if there is illegality equipment connects upper blue-tooth intelligent module, or sends in non-proprietary protocol
Data command, can be disconnected at the first time, it is ensured that safety and illegal invasion.
Bluetooth module and door lock be it is one-to-one, and the communication protocol of bluetooth module and mobile phone be it is privately owned, be based on this,
When unlocking, we establish communication from connection is searched to bluetooth module, are subject to software optimization, send data request packet in advance, greatly
Uncaging time is shortened greatly.For Android system, optimize the time from 3.5 seconds to 900 millisecond；For IOS system, optimized from 4 seconds
It is 1.5 seconds.Uncaging time is significantly shorter than similar product on the market, and experience of unlocking is good.
Although the various embodiments described above are described, once a person skilled in the art knows basic wounds
The property made concept, then additional changes and modifications can be made to these embodiments, so the above is only the embodiments of the present invention,
It is not intended to limit the scope of patent protection of the utility model, it is made by using the description of the utility model and the drawings
Equivalent structure or equivalent flow shift is applied directly or indirectly in other relevant technical fields, and is similarly included in this reality
Within novel scope of patent protection.
Claims (8)
1. a kind of blue-tooth intelligence door lock, which is characterized in that including BLE main control module (1), lock tongue state monitoring module (2), motor
Drive module (3), external interface module (4), power module (5), battery voltage monitoring module (6) and buzzer module (7),
It is characterized in that, lock tongue state monitoring module (2) and battery voltage monitoring module (6) are connected to BLE main control module (1), BLE
Main control module (1) is connected to buzzer module (7) and motor drive module (3)；Motor drive module (3) is connected to lock
Core；The power module (5) is respectively BLE main control module (1), lock tongue state monitoring module (2), motor drive module (3), electricity
Source module (5), battery voltage monitoring module (6) and buzzer module (7) carry out uninterrupted power supply.
2. blue-tooth intelligence door lock according to claim 1, which is characterized in that the BLE main control module (1) uses
TICC2541 chip platform, inside be respectively equipped with 8KBRAM and 256KBFlash, for door lock control application development
With 128 control, operation and load AES encryption and decryption；The stamp hole module design that the module uses, convenient for answering for different product
With.
3. blue-tooth intelligence door lock according to claim 1, which is characterized in that the lock tongue state monitoring module (2) passes through
Three GPIO pins of BLE are monitored, and can be monitored lock tongue/unlocking manually/simultaneously and be locked three states, work as state change
When, BLE master control is interrupted wake-up processing, and in time by status information upload server.
4. blue-tooth intelligence door lock according to claim 1, which is characterized in that the motor drive module (3) uses
Two channel push-pull type power amplification specific integrated circuit devices, discrete circuit is integrated among monolithic IC；There are two the chips
The input of the compatible level of TTL/CMOS；Forward and reverse movement of two output end energy direct-driving motors, every channel can pass through 800mA
Follow current, peak current capability is up to 1.5A；Built-in clamp diode can discharge the reverse impact electric current of inductive load；
The module is powered using the battery of door lock, and is controlled by two GPIO signals of BLE.
5. blue-tooth intelligence door lock according to claim 1, which is characterized in that the external interface module (4), for connecting
The circuit control panel and door lock core of original door lock.
6. blue-tooth intelligence door lock according to claim 1, which is characterized in that the power module (5), using LDO chip,
Input power has the battery of door lock to be powered, and exports power supply of the 3.3V power supply with BLE and other modules.
7. blue-tooth intelligence door lock according to claim 1, which is characterized in that the battery voltage monitoring module (6) passes through
12 ADC pins of BLE are monitored, and software can be within the fixed period to battery voltage sampling, and upload server；In order to
The accuracy for guaranteeing ADC sampling, using multiple repairing weld and average algorithm is realized.
8. blue-tooth intelligence door lock according to claim 1, which is characterized in that the buzzer module (7), using active bee
It rings device scheme, is controlled, reminded using alternative sounds combination or early warning user by the GPIO low and high level of BLE.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821630394.9U CN208848267U (en) | 2018-10-09 | 2018-10-09 | A kind of blue-tooth intelligence door lock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821630394.9U CN208848267U (en) | 2018-10-09 | 2018-10-09 | A kind of blue-tooth intelligence door lock |
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| CN208848267U true CN208848267U (en) | 2019-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111568767A (en) * | 2020-04-02 | 2020-08-25 | 重庆邮电大学 | Device, method and system for monitoring compliance of taking medicine |
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2018
- 2018-10-09 CN CN201821630394.9U patent/CN208848267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111568767A (en) * | 2020-04-02 | 2020-08-25 | 重庆邮电大学 | Device, method and system for monitoring compliance of taking medicine |
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