CN204375043U - Smart bluetooth is locked - Google Patents
Smart bluetooth is locked Download PDFInfo
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- CN204375043U CN204375043U CN201520086702.6U CN201520086702U CN204375043U CN 204375043 U CN204375043 U CN 204375043U CN 201520086702 U CN201520086702 U CN 201520086702U CN 204375043 U CN204375043 U CN 204375043U
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Abstract
A kind of smart bluetooth lock, comprise the locking bolt, motor, the control device that are integrated in described bluetooth lock, wherein said control device is connected to described motor to control described motor, described motor is connected to described locking bolt to realize unlocking and locking, and described control device comprises: motor drive module, bluetooth communication interface, signal acquisition circuit and main control unit, wherein said main control unit is also integrated with enciphering/deciphering module and comparison module, and this enciphering/deciphering module and comparison module also can settings discrete with main control unit.This bluetooth lock achieves dynamic encryption, has high security.
Description
Technical field
The utility model relates to a kind of smart bluetooth lock, particularly relates to a kind of bluetooth lock realizing dynamic encryption.
Background technology
Now commercially have NFC lock, Fingerprint Lock, coded lock, NFC locks the card used and easily imitates and cracky, and Fingerprint Lock and electronic lock are also easily cracked by silver powder, and therefore it all has various shortcoming.And along with the development of technology, the mobile terminals such as smart mobile phone are staff one almost, and the life of people be unable to do without smart mobile phone, and people can forget band wallet or key, but can not forget band mobile phone, such mobile phone controls door lock can bring convenient and safety in life.And the lock security of the Bluetooth control recently occurred is higher than above several lock, and with sharing functionality, there is extraordinary application prospect.But existing bluetooth lock often needs user manually to input password, complex operation, and still there is the risk be cracked.
Utility model content
Based on above content, the utility model wishes to solve the not high and unhandy technical matters of current bluetooth lock degree of safety.
The utility model proposes a kind of smart bluetooth lock, comprise the locking bolt, motor, the control device that are integrated in described bluetooth lock, wherein said control device is connected to described motor to control described motor, described motor is connected to described locking bolt to realize unlocking and locking, and described control device comprises: motor drive module, it is for driving described motor; Bluetooth communication interface, the communication between its mobile terminal carried for described control device and user; Signal acquisition circuit, for gathering electromagnetic wave noise to generate random value; Main control unit, it is for controlling all parts of described control device; And enciphering/deciphering module and comparison module, described enciphering/deciphering module and comparison module are integrated in described main control unit or setting discrete with described main control unit, described enciphering/deciphering module is used for being encrypted to generate to described random value will sending to the ciphertext of mobile terminal and being decrypted the ciphertext from described mobile terminal, and described comparison module is used for comparing the random value generated and the numerical value after deciphering, to generate comparative result.This enciphering/deciphering module and comparison module can be such as the hardware logic module or custom-designed special chip that realize in the programmable logic device.
According to preferred embodiment, the surface of described bluetooth lock is also provided with touch sensor, and what this touch sensor was locked described bluetooth with realization for the touch detecting user wakes up.Also can utilize switch, there is sensor and carry out this touch sensor alternative.
According to preferred embodiment, described enciphering/deciphering module implements the enciphering/deciphering module of aes algorithm, store corresponding key, and described random value is the array of 16 elements.Particularly, AES-256 algorithm or AES-128, AES-192 algorithm can be utilized.The algorithm of other kinds can certainly be used to implement this enciphering/deciphering module.
According to preferred embodiment, the ciphertext from described mobile terminal is the feedback ciphertext sent after described mobile terminal is decrypted encryption again to the ciphertext received from described bluetooth interlocking before.Preserve corresponding key phase-locked with described smart bluetooth in this mobile terminal, such as, be kept in corresponding app.
According to preferred embodiment, described control module also comprises timing module, and this timing module is such as crystal oscillator etc.Main control unit utilizes timing module to send for the schedule time after unlocking order of locking, to ensure the security that bluetooth is locked.
According to preferred embodiment, the described control device of bluetooth lock also has storer, and this storer is for storing the unlocking information of described bluetooth lock.This bluetooth lock is also provided with corresponding supply module in addition, and this supply module can be battery or AC/DC changeover switch etc.Bluetooth lock can be set to door lock, padlock or chain and locks, and it also can be locked with traditional mechanical lock, NFC, Fingerprint Lock, NFC lock etc. combines, multi-functional to realize.
The utility model also proposes a kind of smart bluetooth lock system, comprises above-mentioned smart bluetooth lock and one or more mobile terminal, preserves corresponding key phase-locked with described smart bluetooth in described mobile terminal.
According to preferred embodiment, this mobile terminal is selected from the group comprising following formation: smart mobile phone, notebook computer, panel computer, Intelligent bracelet, intelligent watch and personal digital assistant.Described mobile terminal has communication interface in addition, can be used for the key wherein preserved to share with other mobile terminal.
Utilize each technical scheme set forth above, achieve a kind of bluetooth lock of dynamic encryption, wherein using the noise figure of random acquisition as plaintext, and the information transmission between lock and user terminal is ciphertext form, so ensure that the greater security that this bluetooth is locked, and simplify the operation of user, implement simple in addition and do not need high cost.
Accompanying drawing explanation
Fig. 1 illustrates the cardinal principle fundamental diagram locked according to smart bluetooth of the present utility model.
Fig. 2 illustrates the concrete formation block diagram locked according to smart bluetooth of the present utility model.
Fig. 3 illustrates the unlocking operation process flow diagram locked according to smart bluetooth of the present utility model.
Fig. 4 illustrates the principle of work according to the enciphering/deciphering module in smart bluetooth lock of the present utility model.
It should be noted that following specific embodiment and accompanying drawing thereof are for illustrating principle of the present utility model and the object of its specific embodiment being described, and do not form restriction of the present utility model.The utility model also covers and falls into other amendment within protection domain of the present utility model that claim limits, modification and equivalents.
Embodiment
Fig. 1 illustrates the cardinal principle fundamental diagram locked according to smart bluetooth of the present utility model.Although be that example shows principle of work of the present utility model with door lock in Fig. 1, this smart bluetooth lock can be used as the various lockset such as door lock, cabinet lock, outer padlock, chain lock, and can to lock etc. with coded lock, Fingerprint Lock, NFC and combinationally use.
As can be seen from Figure 1, the APP (application program) of mobile terminal is connected to the control device in bluetooth lock, and this control device is connected to the inner motor of lock, and this motor is connected to locking bolt, for controlling the unblock of locking bolt and locking.Bluetooth is locked and is also had touch sensor in addition, and it is for the touch of sensing user, correspondingly to be waken up from standby mode by bluetooth lock.
Fig. 2 illustrates the concrete formation block diagram locked according to smart bluetooth of the present utility model.This specifically forms the concrete formation that block diagram is only used for a kind of exemplary embodiment describing this bluetooth lock in detail.One skilled in the art will appreciate that all parts in figure is not necessarily required for enforcement of the present utility model, namely can omit or combine one or more parts, and this bluetooth lock can comprise other parts in addition.Upper as can be seen from figure, the smart bluetooth lock according to this embodiment mainly comprises main control unit 1, signal acquisition module 2, storer 3, bluetooth communication interface 4, motor drive module 5, touch sensor 6, timing module 7, motor 8 and locking bolt 9.Certainly, this bluetooth lock can also have the common locking element (not shown) such as lock handle, mechanical lock.
Main control unit 1 is wherein for controlling the work of all parts of bluetooth lock, and it can utilize single-chip microcomputer, DSP, flush bonding processor, programmable logic device (PLD) (such as CPLD, FPGA etc.) or application specific processor or integrated circuit to realize.Signal acquisition module 2 is for passing through A/D module acquires " electromagnetic wave noise " random value, and this random value can be such as the array of the array of 16 elements or the element of other number.This random value produces in real time, using as the plaintext being used for encrypting.In addition, enciphering/deciphering module 10 and comparison module 11 (as shown in Figure 4, both also can separately be called enciphering/deciphering device and comparer) is also integrated with in this main control unit 1.This enciphering/deciphering module 10 can be that hardware adds/demoder, such as integrated or discrete with main control unit special hardware encryption/decryption device.In a further embodiment, enciphering/deciphering module 10 also can be the hardware logic module or special chip that utilize programmable logic device (PLD) to realize, or the firmware implemented in main control unit adds/demoder, or implement with alternate manner well known to those skilled in the art.This enciphering/deciphering module 10 such as can adopt aes algorithm (the such as aes algorithm of 256 keys, this area is referred to as AES-256 algorithm, correspondingly can also use the aes algorithm of 128,192 keys), and dynamic encryption is achieved together with above-mentioned signal acquisition circuit.And aes algorithm is algorithm well known in the art to those skilled in the art, it is not repeated at this.And comparison module 11 is for comparing the numerical value after the random value generated and deciphering, to generate the control signal for controlling motor.This comparison module 11 can be hardware module (hardware logic module such as realized in the programmable logic device or special chip) equally.Certain embodiment as an alternative, also can utilize main control unit to realize the function of folder/deciphering module 10 and comparison module 11.Bluetooth communication interface 4 is for communicating with mobile terminal, and specifically for the ciphertext after encryption being transferred to mobile terminal and receiving the feedback ciphertext from mobile terminal, such as, and it also for carrying out other required data communication, unlocks the transmission etc. of record.
Touch sensor 6 is arranged on the outside surface of bluetooth lock, for the touch of sensing user, to be waken up from standby mode by bluetooth lock.Also can utilize switch, there is sensor (existence of its sensing people) etc. to carry out this touch sensor alternative.Timing module 7 is for providing timing signal, and it can be such as crystal oscillator etc.And the schedule time that main control unit 1 utilizes timing module 7 to realize after locking bolt unlocks sends timeout instructs, again to be locked by locking bolt 9, timing module 7 can be used by main control unit 1 and be locked into into standby mode to control bluetooth after the special time when not receiving the input from the external world in addition.Motor drive module 5 is for controlling motor 8 to carry out lock and unlock to locking bolt 9 in response to the order from comparison module 11.
Fig. 3 illustrates the exemplary unlocking operation process flow diagram locked according to the smart bluetooth of an embodiment.This process flow diagram is using mobile phone as mobile terminal and using door lock as application scenarios, operating process of the present utility model is described.According to this operational flowchart, user opens the APP on mobile terminal (such as mobile phone), then touch sensor is to wake bluetooth lock up, user clicks the door opening key in APP afterwards, and after APP with lock communication (comprising dynamic encryption process), if communication result is correct, then drive motor unlocks, and end user can press door handle and open the door.So achieve the correct work of smart bluetooth of the present utility model lock.
Fig. 4 illustrates the principle of work according to the enciphering/deciphering module in smart bluetooth lock of the present utility model.As can be seen from Figure, after receiving the unlock command of mobile terminal, signal acquisition circuit 2 in bluetooth lock gathers extraneous electromagnetic wave noise to produce random number, and this random number can be such as the array of 16 elements, and each element is 1 byte or 8 bits.Then random number is encrypted by enciphering/deciphering module 10, such as, by AES-256 algorithm for encryption, with generating ciphertext.Ciphertext is transferred to mobile terminal via bluetooth communication interface 4.And mobile terminal is after receiving ciphertext, utilize algorithm to be wherein decrypted ciphertext, to obtain expressly, and then utilizing algorithm to being expressly encrypted, generating feedback ciphertext and sending it back bluetooth lock.Enciphering/deciphering module 10 in bluetooth lock is compared the feedback ciphertext after unblock and the random number generated at first by comparison module 11 after unlocking feedback ciphertext, if both are identical, then illustrate that mobile terminal is effective, and correspondingly unlocks; If both are different, then illustrate that mobile terminal is invalid, will not unlock.In smart bluetooth lock system, realize dynamic encryption thus, substantially increase security and the simple operation of bluetooth lock.
As previously mentioned, mobile terminal can be one or more in smart mobile phone, notebook computer, panel computer, Intelligent bracelet, intelligent watch and personal digital assistant.And key wherein can be given other mobile terminal, with user-friendly by the network sharing such as internet, LAN (Local Area Network) by mobile terminal.In addition this bluetooth lock as required can with or can not combine with mechanical lock.
Explain a kind of novel smart bluetooth lock above in detail.This smart bluetooth lock comprises the locking bolt, motor, the control device that are integrated in described bluetooth lock, wherein said control device is connected to described motor to control described motor, described motor is connected to described locking bolt to realize unlocking and locking, and described control device comprises: motor drive module, bluetooth communication interface, signal acquisition circuit and main control unit, wherein this control device also has enciphering/deciphering module and comparison module, enciphering/deciphering module and comparison module are integrated in described main control unit, or setting discrete with main control unit.In the embodiment of the smart bluetooth lock substituted, the function of enciphering/deciphering module and comparison module can be realized by main control unit.
Although illustrate especially with reference to the drawings and specific embodiments and describe the utility model, one skilled in the art will appreciate that can when not deviating from spirit and scope of the present disclosure as defined by the accompanying claims this make in form and details each change.Therefore indicate the scope of the present disclosure by claims, and be therefore intended to comprise changing in the implication of the equivalents falling into claim and scope.
Claims (10)
1. a smart bluetooth lock, comprise the locking bolt, motor, the control device that are integrated in described bluetooth lock, wherein said control device is connected to described motor to control described motor, and described motor is connected to described locking bolt to realize unlocking and locking, and described control device comprises:
Motor drive module, it is for driving described motor;
Bluetooth communication interface, the communication between its mobile terminal carried for described control device and user;
Signal acquisition circuit, for gathering electromagnetic wave noise to generate random value;
Main control unit, it is for controlling all parts of described control device; And
Enciphering/deciphering module and comparison module, described enciphering/deciphering module and comparison module are integrated in described main control unit or setting discrete with described main control unit, described enciphering/deciphering module is used for being encrypted to generate to described random value will sending to the ciphertext of described mobile terminal and being decrypted the feedback ciphertext from described mobile terminal, and described comparison module is used for comparing the random value generated and the numerical value after deciphering, to generate comparative result.
2. smart bluetooth lock according to claim 1, the surface of wherein said bluetooth lock is also provided with touch sensor, and what this touch sensor was locked described bluetooth with realization for the touch detecting user wakes up.
3. smart bluetooth lock according to claim 1, wherein, described enciphering/deciphering module implements the enciphering/deciphering module of aes algorithm, and described random value is the array of 16 elements, and be the feedback ciphertext sent after described mobile terminal is decrypted encryption again to the ciphertext received from described bluetooth interlocking before from the feedback ciphertext of described mobile terminal.
4. the smart bluetooth lock according to any one in claim 1-3, wherein said enciphering/deciphering module and described comparison module are the hardware logic module, firmware or the special chip that are realized by programmable logic device (PLD).
5. the smart bluetooth lock according to any one in claim 1-3, wherein said control device also comprises timing module, and the schedule time that described main control unit utilizes timing module to realize after unlocking sends order of locking.
6. the smart bluetooth lock according to any one in claim 1-3, the described control device of wherein said bluetooth lock also has storer, and this storer is for storing the unlocking information of described bluetooth lock.
7. the smart bluetooth lock according to any one in claim 1-3, wherein said bluetooth lock is set to door lock, padlock or chain and locks.
8. a smart bluetooth lock system, comprises the smart bluetooth lock according to any one in claim 1-7 and one or more mobile terminal, preserves corresponding key phase-locked with described smart bluetooth in described mobile terminal.
9. smart bluetooth lock system according to claim 8, wherein said mobile terminal is selected from the group comprising following formation: smart mobile phone, notebook computer, panel computer, Intelligent bracelet, intelligent watch and personal digital assistant.
10. according to claim 8 or claim 9 smart bluetooth lock system, wherein said mobile terminal has the communication interface for being shared with other mobile terminal by the key of preservation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520086702.6U CN204375043U (en) | 2015-02-06 | 2015-02-06 | Smart bluetooth is locked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520086702.6U CN204375043U (en) | 2015-02-06 | 2015-02-06 | Smart bluetooth is locked |
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| Publication Number | Publication Date |
|---|---|
| CN204375043U true CN204375043U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520086702.6U Expired - Fee Related CN204375043U (en) | 2015-02-06 | 2015-02-06 | Smart bluetooth is locked |
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| CN (1) | CN204375043U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427430A (en) * | 2015-12-11 | 2016-03-23 | 温州市裕展信息科技有限公司 | Door lock system based on bluetooth control |
| CN105869246A (en) * | 2016-04-13 | 2016-08-17 | 上海斐讯数据通信技术有限公司 | Intelligent unlocking system and method thereof |
| CN105931339A (en) * | 2016-06-07 | 2016-09-07 | 杭州虹云网络科技有限公司 | Intelligent lock capable of realizing security certificate based on mobile equipment Bluetooth and certificating method of intelligent lock |
| CN106330916A (en) * | 2016-08-25 | 2017-01-11 | 北京锐拓时代科技有限公司 | Intelligent reminding method for touch door lock controller |
| CN106847578A (en) * | 2017-03-07 | 2017-06-13 | 中国石油化工股份有限公司 | For the intelligent protection block sytem for controlling electric energy surprisingly to discharge |
| CN108182745A (en) * | 2018-01-15 | 2018-06-19 | 佛山市风旭科技有限公司 | The smart lock and its encryption method of a kind of decentralization |
| CN109255864A (en) * | 2018-08-02 | 2019-01-22 | 深圳市朗仁科技有限公司 | Shared bicycle bluetooth method for unlocking and device |
| CN111275855A (en) * | 2020-01-17 | 2020-06-12 | 珠海格力电器股份有限公司 | Door lock control method, device and system, electronic equipment and storage medium |
-
2015
- 2015-02-06 CN CN201520086702.6U patent/CN204375043U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427430A (en) * | 2015-12-11 | 2016-03-23 | 温州市裕展信息科技有限公司 | Door lock system based on bluetooth control |
| CN105869246A (en) * | 2016-04-13 | 2016-08-17 | 上海斐讯数据通信技术有限公司 | Intelligent unlocking system and method thereof |
| CN105931339A (en) * | 2016-06-07 | 2016-09-07 | 杭州虹云网络科技有限公司 | Intelligent lock capable of realizing security certificate based on mobile equipment Bluetooth and certificating method of intelligent lock |
| CN106330916A (en) * | 2016-08-25 | 2017-01-11 | 北京锐拓时代科技有限公司 | Intelligent reminding method for touch door lock controller |
| CN106847578A (en) * | 2017-03-07 | 2017-06-13 | 中国石油化工股份有限公司 | For the intelligent protection block sytem for controlling electric energy surprisingly to discharge |
| CN108182745A (en) * | 2018-01-15 | 2018-06-19 | 佛山市风旭科技有限公司 | The smart lock and its encryption method of a kind of decentralization |
| CN109255864A (en) * | 2018-08-02 | 2019-01-22 | 深圳市朗仁科技有限公司 | Shared bicycle bluetooth method for unlocking and device |
| CN111275855A (en) * | 2020-01-17 | 2020-06-12 | 珠海格力电器股份有限公司 | Door lock control method, device and system, electronic equipment and storage medium |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20200206 |
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| CF01 | Termination of patent right due to non-payment of annual fee |