CN109184361A - Door lock and its working method with high security - Google Patents
Door lock and its working method with high security Download PDFInfo
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- CN109184361A CN109184361A CN201811267969.XA CN201811267969A CN109184361A CN 109184361 A CN109184361 A CN 109184361A CN 201811267969 A CN201811267969 A CN 201811267969A CN 109184361 A CN109184361 A CN 109184361A
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- information
- control plate
- unit
- chip
- communication interface
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00944—Details of construction or manufacture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Lock And Its Accessories (AREA)
Abstract
The present invention relates to door locks and its working method with high security, the door lock includes front control plate, rear control plate and postposition clutch, postposition clutch includes the first power source and clutch body, and front control plate is equipped with the first control chip U1, information input unit and the first serial communication interface；Rear control plate is equipped with second control chip U2, ID push-button unit, the second serial communication interface and the first driving unit；ID push-button unit, for matching the id information of front control plate and rear control plate；Information input unit obtains unlocking information；First control chip U1 receives unlocking information and mixes with the id information of front control plate and rear control plate, forms coded signal；Second control chip U2 decrypts coded signal to obtain id information and the comparison of front control plate and rear control plate, exports control signal according to comparison result；First driving unit drives the work of the first power source according to control signal or stops working.The safety of present invention raising door lock.
Description
Technical field
The present invention relates to door locks, more specifically refer to door lock and its working method with high security.
Background technique
Intelligent door lock is that occur with the development of electronic technology, in the convenience used, anti-illegal unlatching, intelligence pipe
Reason etc. is that mechanical lock is incomparable, therefore is used widely to the higher industry of safety requirements, common in the market
Mainly magnetic card, IC card, TM card, electronic lock of radio frequency card.
But existing intelligent door lock is usually to be made of front panel and rear panel, controls chip and unlocking clutch
It is forward-mounted plate, battery is mounted on rear panel, and control chip detects key-press input, living things feature recognition inputs information, wireless
Input signal such as ISM band RF, bluetooth, infrared, Zigbee or NB_IOT or RFID card information, control chip checking input password
Or after information is correct, driving unlocking clutch is unlocked, and unlocking clutch uses a direct current generator.Due to intelligent door
Control chip, keypad and the unlocking clutch of lock are mounted on the front panel of intelligent door lock, control chip to unlocking clutch
The signal of mechanism transmission is unlocking information, when encountering the impulse disturbances of Tesla coil sending, control chip reset is caused to open
Lock or control chip crash automatically reset unlocking, or generate high level pulse on intelligent door lock circuit, cause unlocking clutch
The power source of structure, which malfunctions, unlocks, and then generates security risk.Further, since unlocking clutch is preposition, if front panel is by people
After prying open destruction, even if can directly unlock, there is also certain safety is hidden in the case that pick-proof circuit issues warning note
Suffer from.
Therefore, it is necessary to design a kind of new door lock, realizes and improve anti-Tesla coil interference performance and pick-proof unlocking energy
Power, and then improve the safety of door lock.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, provide with the door lock of high security and its work side
Method.
To achieve the above object, the invention adopts the following technical scheme: having the door lock of high security, including preceding control
Plate, rear control plate and postposition clutch, the postposition clutch include the first power source and the clutch that connect with lock body
Ontology, first power source are connect with the clutch body, and front control plate is equipped with the first control chip U1, information input
Unit and the first serial communication interface；The rear control plate is equipped with second control chip U2, ID push-button unit, second serially
Communication interface and the first driving unit；First serial communication interface is connect with second serial communication interface；It is described
ID push-button unit transmits the id information of front control plate for matching the id information of front control plate and the id information of rear control plate
And it is stored in the second control chip U2, the id information of rear control plate is transmitted and is stored in the first control chip U1；The letter
Input unit is ceased, for obtaining unlocking information；It is described first control chip U1, for receive unlocking information and with front control plate
The id information of id information and rear control plate is mixed and is encrypted, and forms coded signal；First serial communication interface, is used for transmission
Coded signal；Second serial communication interface for receiving the coded signal of the first serial communication interface transmission, and passes
Transport to the second control chip U2；The second control chip U2, is used for receiving enciphered signals, and before decrypting coded signal to obtain
The id information of control panel and the id information of rear control plate, by the id information of the id information of front control plate and rear control plate be stored in
Id information in second control chip U2 is compared, and exports control signal according to comparison result；First driving unit is used
It works or stops working according to the control signal the first power source of driving.
Its further technical solution are as follows: first serial communication interface and second serial communication interface pass through serially
Data line connection.
Its further technical solution are as follows: the postposition clutch further includes the second power source, second power source and institute
Clutch body connection is stated, is additionally provided with bluetooth unlocking unit and the second driving unit on the rear control plate, the bluetooth is opened
Lock unit exports bluetooth unlocking information to the second driving unit, by second for receiving the bluetooth unlocking information of mobile terminal
Driving unit drives the work of the second power source or stops working.
Its further technical solution are as follows: the bluetooth unlocking unit includes Bluetooth antenna, the electricity of Bluetooth chip U3 and second
Source unit, the Bluetooth antenna, for receiving the bluetooth unlocking information of mobile terminal；The Bluetooth chip U3 is used for bluetooth
Unlocking information is converted to Bluetooth control signal, is transmitted to the second driving unit；The second power source unit, for being Bluetooth chip
U3 and the second driving unit provide power supply.
Its further technical solution are as follows: the rear control plate is equipped with first power source unit, and the first power source unit is used
In for second control chip U2, ID push-button unit, the second serial communication interface, the first driving unit, first control chip U1, letter
It ceases input unit, ID push-button unit and the first serial communication interface and power supply is provided.
Its further technical solution are as follows: the model of the first control chip U1 includes STM32F091VC.
Its further technical solution are as follows: the information input unit includes key module, wireless communication module, biological characteristic
At least one in identification module and module of swiping the card.
Its further technical solution are as follows: be additionally provided with the first storage chip U5, display unit on the front control plate and mention
Show that unit, the first storage chip U5, display unit and prompt unit are connect with the first control chip U1 respectively.
Its further technical solution are as follows: the rear control plate be equipped with temperature sensor, the temperature sensor with it is described
Second control chip U2 connection.
The present invention also provides the working methods of the door lock with high security, which comprises
Using the id information of ID push-button unit pairing front control plate and the id information of rear control plate, the ID of front control plate is believed
Breath transmits and is stored in the second control chip U2, and the id information of rear control plate is transmitted and is stored in the first control chip U1；
Information input unit obtains unlocking information；
First control chip U1 receives unlocking information and mixes with the id information of the id information of front control plate and rear control plate
And encrypt, coded signal is formed, and coded signal is transmitted by the first serial communication interface；
Second serial communication interface receives the coded signal of the first serial communication interface transmission, and is transmitted to the second control core
Piece U2；
Second control chip U2 receiving enciphered signals, and the id information for decrypting coded signal to obtain front control plate and control afterwards
The id information of making sheet, by the id information of the id information of front control plate and rear control plate and the ID being stored in the second control chip U2
Information is compared, and exports control signal according to comparison result；
First driving unit drives the work of the first power source according to the control signal or stops working.
Compared with the prior art, the invention has the advantages that: the present invention by by front control plate, rear control plate and after
Clutch separation arrangement is set, the id information of front control plate and rear control plate is first matched, the first control chip U1 gets unlocking letter
After breath, in addition the split lock information of the id information of front control plate and rear control plate is encrypted, coded signal is formed, and pass through
First serial communication interface, serial data line, the second serial communication interface are transmitted to the second control chip U2, by the second control core
Piece U2 is compared, according to comparison result export control signal control the first driving unit with drive the first power source work or
Stop working, split lock information encrypted after by the first serial communication interface, serial data line, the second serial communication interface
Be conducive to avoid Tesla coil from interfering and the hidden danger unlocked is caused to occur, and bluetooth unlocking unit is separately provided, cooperation second
Power source and the second driving unit realize the intelligent unlocking in the case where front control plate is destroyed, to improve anti-tesla's line
Interference performance and pick-proof unlocking ability are enclosed, and then improves the safety of door lock.
The invention will be further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Technical solution in order to illustrate the embodiments of the present invention more clearly, below will be to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic block diagram for the door lock with high security that the specific embodiment of the invention provides；
Fig. 2 is the circuit diagram of the front control plate for the door lock with high security that the specific embodiment of the invention provides；
Fig. 3 is the circuit diagram for the rear control plate that the specific embodiment of the invention provides；
Fig. 4 is the circuit diagram for the bluetooth unlocking unit that the specific embodiment of the invention provides.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded
Body, step, operation, the presence or addition of element, component and/or its set.
It is also understood that mesh of the term used in this description of the invention merely for the sake of description specific embodiment
And be not intended to limit the present invention.As description of the invention and it is used in the attached claims, unless on
Other situations are hereafter clearly indicated, otherwise " one " of singular, "one" and "the" are intended to include plural form.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is
Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.
Specific embodiment as shown in figures 1-4, the door lock provided in this embodiment with high security, can operate with electricity
The intelligence such as cervical orifice of uterus lock are locked a door, and realize anti-Tesla coil interference performance and the pick-proof unlocking ability of improving, and then improve the peace of door lock
Quan Xing.
Referring to Fig. 1, Fig. 1 is the schematic block diagram of the door lock provided in this embodiment with high security, such as Fig. 1 institute
Show, this has the door lock of high security, including front control plate 1, rear control plate 2 and postposition clutch 3, the postposition clutch
3 include the first power source 31 and the clutch body 33 connecting with lock body, first power source 31 and the clutch sheet
Body 33 connects, and front control plate 1 is equipped with the first control chip U1, information input unit 12 and the first serial communication interface 13；
Rear control plate 2 is equipped with second control chip U2, ID push-button unit 23, the second serial communication interface 22 and the first driving unit
24；First serial communication interface 13 is connect with second serial communication interface 22；ID push-button unit 23, for carrying out preceding control
The id information of plate 1 and the id information of rear control plate 2 are matched, and the id information of front control plate 1 is transmitted and is stored in the second control
The id information of rear control plate 2 is transmitted and is stored in the first control chip U1 by coremaking piece U2；The information input unit 12,
For obtaining unlocking information；First control chip U1, for receive unlocking information and with the id information of front control plate 1 and afterwards control
The id information of plate 2 is mixed and is encrypted, and forms coded signal；First serial communication interface 13, is used for transmission coded signal；The
Two serial communication interfaces 22, the coded signal transmitted for receiving first serial communication interface 13, and it is transmitted to the second control
Coremaking piece U2；Second control chip U2, is used for receiving enciphered signals, and decrypts coded signal to obtain the ID letter of front control plate 1
The id information of breath and rear control plate 2 by the id information of the id information of front control plate 1 and rear control plate 2 and is stored in the second control
Id information in chip U2 is compared, and exports control signal according to comparison result；First driving unit 24, for according to control
Signal drives the work of the first power source 31 or stops working.
In one embodiment, the first above-mentioned serial communication interface 13 passes through serial with second serial communication interface 22
Data line connection, with realize cable of dropping between door lock open air front control plate 1 and indoor rear control plate 2 minimized (only 4) and
The secrecy of information is transmitted, and prevents from invading 2 illegal unlock of rear control plate from portion outdoors or by damaging indoor power supply unit, lead
Cause the thorough disablement of door lock.
Using red between other embodiments, above-mentioned the first serial communication interface 13 and the second serial communication interface 22
Outer T-R tube realizes serial line data sending, can also be realized with wireless transmission, it is not limited to be connected by serial data line.
Specifically, each piece of front control plate 1 or rear control plate 2 have a unique id number, are similar to identification card number
The recognition reaction of code is independently arranged when manufacturing front and back panels.Above-mentioned ID push-button unit 23 is a button, dress
On rear control plate 2, front and back control panel 2 is fitted without ID pairing button, and ID push-button unit 23 is for front control plate 1, rear control
ID number pairing, when installing the door lock, i.e. one piece of front control plate 1 and one piece of rear control plate 2 are carried out after 2 in-site installation of plate is good
Be mounted on same fan behind the door, after connecting with the mains, press ID push-button unit 23, rear control plate 2 by the id information of rear control plate 2 (i.e.
ID number) it is connect by the first serial communication and the second serial communication sending and receiving are to front control plate 1, front control plate 1 receives id information guarantor
It deposits, the id information of front control plate 1 is connect by the first serial communication and second goes here and there by the first control chip U1 of front control plate 1
To rear control plate 2, rear control plate 2 also saves after receiving id information for row communication sending and receiving；When unlocking operation, front control plate 1 is removed
Transmission unlocking information, while after also the id information of the id information of oneself and the rear control plate of storage 2 being encrypted together, after issuing
Control panel 2；Whether rear control plate 2 compares the front control plate 1 and rear control plate 2 that receive again id information after decrypting is correct, then determines
Fixed whether to carry out subsequent unlocking operation, front control plate 1 and rear panel lock mutually the effect of id information, to improve the peace of transmission
Quan Xing.
For one thing, if someone removes the same model door lock front control plate 1 on oneself door, others' family is another
The front control plate 1 of same model on Yishanmen replaces, someone is with oneself password or with oneself fingerprint in front control plate 1
The pairing of id information can not be carried out since ID push-button unit 23 is on the rear panel in others' door by inputting unlocking information, even if
The unlocking information for being front control plate 1 is correctly, since the id information of front control plate 1, rear control plate 2 is unpaired, also not open
Door, to improve the safety of door lock.
The signal that first serial communication interface 13 and the second serial communication interface 22 can send the first control chip U1
It is converted into being suitble to the signal of serial data line transmission, or the signal that serial data line transmits is converted into suitable second control chip
U2 received signal, serial data line can be electric wire or optical fiber or other are suitble to the transmission medium of serial communication.
By clutch postposition, arrangement is separated with front control plate 1 and rear control plate 2, it is possible to reduce when front control plate 1 is pried open
The safety problem unlocked is remained to occur.
It is matched using ID of the ID push-button unit 23 to each door lock, the safety of unlocking process can be improved；When
Front control plate 1 and rear control plate 2 is mating install after, after door lock powers on, operate rear control plate 2 ID push-button unit 23, to preceding
Control panel 1 and rear master control borad carry out ID number matching operation, after successful matching, use another piece of front control plate 1 of same model instead, due to
ID number matching operation is not carried out, it can be because of front control plate 1ID by the coded signal that serial data line is transmitted to rear control plate 2
It is number unpaired without being received, and then the refusal of rear control plate 2 carries out next step operation and can not unlock, to improve the peace of door lock
Quan Xing.
The electromagnetic pulse interference that Tesla coil issues, can destroy the unlocking information of front control plate 1, can destroy preceding control
Serial communication data and ID number between making sheet 1, rear control plate 2 after progress data encryption, but the encryption number after being destroyed
According to or ID number, obtained after decryption be mistake information or ID number, rear control plate 2 will not unlocking operation, to improve door lock
Anti- Tesla coil interference performance.
First control chip U1 of front control plate 1 resets after electrification reset or crash, will not send encryption data after
Second control chip U2 of control panel 2, rear control plate 2 automatically resets after electrification reset or crash, without unlocking operation, prevents
Only Tesla coil interference control chip causes crash reset, the case where opening by mistake lock is caused, to improve anti-tesla's line of door lock
Enclose interference performance.
In one embodiment, postposition clutch 3 further includes the second power source 32, second power source 32 and the clutch
Device ontology 33 connects, and bluetooth unlocking unit 25 and the second driving unit 26 are additionally provided on above-mentioned rear control plate 2, and bluetooth is unlocked
Unit 25 exports bluetooth unlocking information to the second driving unit 26 for receiving the bluetooth unlocking information of mobile terminal, by
Two driving units 26 drive the work of the second power source 32 or stop working.
Front wall, which is prized, causes front control plate 1 to damage or when the power supply of front control plate 1 and rear control plate 2 is without electricity,
It causes door lock not unlock normally, can be sent by bluetooth and unlocked for independently-powered bluetooth unlocking unit 25 by mobile terminal and believed
Breath controls the second driving unit 26 by bluetooth unlocking unit 25 and the second power source 32 is driven to work or stop working, after control
The unlocking of clutch 3 is set, it is practical and conveniently.
In one embodiment, above-mentioned bluetooth unlocking unit 25 includes Bluetooth antenna, Bluetooth chip U3 and second source
Unit 27, Bluetooth antenna, for receiving the bluetooth unlocking information of mobile terminal；Bluetooth chip U3, for bluetooth to be unlocked information
Bluetooth control signal is converted to, the second driving unit 26 is transmitted to；Second power source unit 27, for for Bluetooth chip U3 and the
Two driving units 26 provide power supply.
Specifically, the model of above-mentioned Bluetooth chip U3 includes but is not limited to CC2640R2.
Using completely self-contained bluetooth unlocking unit 25 and matched second driving unit 26 and second power source unit 27,
Bluetooth unlocking unit 25 is powered using independently of the second power source unit 27 of front control plate 1 and rear control plate 2, for receiving movement
Bluetooth unlocking information is converted and exports Bluetooth control signal to the second driving list by the near field bluetooth unlocking information of the APP of terminal
Member 26 is driven the work of the second power source 32 by the second driving unit 26 or is stopped working.
In order to improve the stability of Bluetooth chip U3 power supply, it is connected between second power source unit 27 and Bluetooth chip U3
The model of first voltage stabilizing chip U7, first voltage stabilizing chip U7 include but is not limited to HT7333.
In the case where front control plate 1 is damaged by sled, operation unlocking can not be carried out to postposition clutch 3, shifting can only be passed through
The operation of dynamic terminal is so that independently-powered bluetooth unlocking unit 25 work, and then completes unlocking process, raising pick-proof unlocking energy
Power, guarantee door lock can normal door, improve anti-theft security performance.
In one embodiment, it is also provided with radio frequency unlocking unit on above-mentioned rear control plate 2, the radio frequency unlocking unit benefit
Unlocking information is sent with radio frequency principle, to control the work of the second driving unit 26 the second power source 32 of driving or stop working,
Even if can also normally unlock in the case where front control plate 1 is damaged by sled.
In the present embodiment, the model of the first above-mentioned control chip U1 includes but is not limited to STM32F091VC.
In one embodiment, above-mentioned information input unit 12 include key module, wireless communication module, fingerprint module with
And module of swiping the card, in the present embodiment, above-mentioned wireless communication module includes but is not limited to ZigBee module, and key can be used
Inputting pin mode, fingerprint unlocking mode, card-swiping mode and ZigBee, wirelessly unlocking mode is unlocked.
In one embodiment, above-mentioned information input unit 12 can also include face recognition module, using recognition of face
Mode is unlocked, and the safety of unlocking can be improved.
In one embodiment, the first storage chip U5, display unit 14 and prompt are additionally provided on above-mentioned front control plate 1
Unit 11, the first storage chip U5, display unit 14 and prompt unit 11 are connect with the first control chip U1 respectively.
First storage chip U5, which can be used for storing, has the face information of unlocking authority, the ID number of the door lock and management
The contents such as member's priority assignation.
In the present embodiment, the model of the first above-mentioned storage chip U5 includes but is not limited to W25Q64.
In the present embodiment, above-mentioned display unit 14 includes but is not limited to OLED display module, can also be aobvious for LCD
Display screen etc., using the text importing as prompt information.
In the present embodiment, above-mentioned prompt unit 11 includes but is not limited to loudspeaker, can also be alarm etc., may be used also
Think indicator light etc., using the prompting and warning opened as door lock according to non-prescribed manner, and then improves the safety of door lock.
In one embodiment, above-mentioned rear control plate 2 is equipped with first power source unit 21, and the first power source unit 21 is used
Core is controlled in controlling chip U2, ID push-button unit 23, the second serial communication interface 22, the first driving unit 24, first for second
Piece U1, information input unit 12, ID push-button unit 23 and the first serial communication interface 13 provide power supply.
In the present embodiment, the model of the second control chip U2 includes but is not limited to STM32F091VC.
In one embodiment, in order to improve the stability powered when the second control chip U2 work, chip is controlled second
The second voltage stabilizing chip U6 is connected between U2 and first power source unit 21, the model of second voltage stabilizing chip U6 includes but do not limit to
In HT7333.
The Vout end feet of second voltage stabilizing chip U6 is connect with the Vdd terminal foot of the first control chip U1, by the second pressure stabilizing core
The GND end feet of piece U6 is connect with the GND end feet of the first control chip U1, to realize front control plate 1 with rear control plate 2 using same
Group power supply power supply.
Above-mentioned second power source unit 27 and first power source unit 21 is respectively the battery pack of offer+6V voltage.
Different power supply units and different voltage stabilizing chips are set to different chips, can be passed through to avoid each chip
Power supply interferes with each other, to improve the stability and safety of door lock.
The filtering of filter capacitor C2 and one end ground connection are connected between the control of second voltage stabilizing chip U6 and first chip U1
Capacitor C3, the stability of voltage when improving the first control chip U1 work.
Certainly, the filter of π type is connected between other embodiments, the control of the second above-mentioned voltage stabilizing chip U6 and first chip U1
Wave circuit, the stability of voltage when improving the first control chip U1 work.
Preferably, the second storage chip U4, the letter such as ID number for storing door lock are additionally provided on above-mentioned rear control plate 2
Breath.
In the present embodiment, the model of the second above-mentioned storage chip U4 includes but is not limited to 24C512.
In one embodiment, above-mentioned information input unit 12 includes key module, wireless communication module, biological characteristic knowledge
At least one in other module and module of swiping the card, wherein biological characteristic recognition module includes but is not limited to fingerprint module and people
Face identification module；What operation button module obtained is one group of data (this group of data are usually password), module of swiping the card using
RFID read module, obtaining not only includes password, there are also the card number of RFID card and some other data, wireless communication module receipts
To wireless signal can switch to burst of data.
Front control plate 1 first control chip U1 obtain from key module, wireless communication module, fingerprint module and
The unlocking cipher or information of acquisition are added the ID number and rear control plate of front control plate 1 by the unlocking cipher or information for module of swiping the card
2 ID number is sent by the first serial communication interface 13, is controlled after serial data line is transferred to after data encryption is handled
Corresponding acousto-optic hint and display is arranged according to the state of door lock in second serial communication interface 22 of making sheet 2；Rear control plate 2
Second control chip U2 receives the encryption data sent by serial data line by the second serial communication interface 22, passes through
The ID number of front control plate 1 and ID number, unlocking cipher or the information of rear control plate 2 are obtained after decryption operation, compares verifying and currently connects
The ID number of the front control plate 1 received and the ID number of rear control plate 2 verify the unlocking cipher or letter of input again after confirmation is correct
Breath, after checking that confirmation is correct, the second control chip U2 issues control signal, and the driving first of the first driving unit 24 of control is dynamic
Power source 31 works, and carries out unlocking operation to control postposition clutch 3；The unlocking input information of door lock and unlocking Information Authentication are unlocked
Operation, is completed by front control plate 1 and rear control plate 2, the information between front control plate 1 and rear control plate 2 adds by data respectively
It after close, is exchanged by first serial communication interface 13 with second serial communication interface 22, cooperation bi-motor is independent
Postposition clutch 3 solves the security risk that Tesla coil interference causes improper unlocking, improves door lock electromagnetism interference
Security performance.
In one embodiment, above-mentioned rear control plate 2 is equipped with temperature sensor 40, which controls after being located at
The outside of making sheet 2, in order to detect ambient temperature, temperature sensor 40 is connect with the second control chip U2, once it catches fire, door lock
When indoor temperature reaches+65 °, the temperature signal that temperature sensor 40 can will test is transmitted to the second control chip U2, and second
It controls chip U2 and drives the work of the first driving unit 24, the first power source 31 starts work under the driving of the first driving unit 24
Make, automatic emergency opens door lock, protection staff safety.
In one embodiment, above-mentioned clutch body 33 includes that shell, magnetic drive ring, conduit and driving mechanism, magnetic drive
Ring, conduit and driving mechanism are built in shell, and the outer surface of conduit is cased with the magnetic and drives ring, conduit and the driving mechanism
Connection, driving mechanism are separately connected with the first power source 31 and the second power source 32.
In addition, above-mentioned driving mechanism includes first gear, second gear and third gear, above-mentioned first gear with
The connection of first power source 31, the second gear are connect with second power source 32, the second gear and first gear point
It is not engaged with third gear, third geared sleeve drives ring and be arranged by conduit thread bush in the outer surface of the conduit, above-mentioned magnetic
In the outer surface of conduit, and conduit is embedded with internal magnetic ring.First gear rotation can be driven by the first power source 31, and then is driven
Entire clutch body 33 carries out respective operations, and to open door lock, second gear rotation can also be driven by the second power source 32,
And then entire clutch body 33 is driven to carry out respective operations, to open door lock.
In one embodiment, between above-mentioned internal magnetic ring and the conduit be equipped with clutch sliding sleeve, with realize clutch from
It closes.
The above-mentioned door lock with high security, by separating front control plate 1, rear control plate 2 and postposition clutch 3
Arrangement first matches the id information of front control plate 1 and rear control plate 2, after the first control chip U1 gets unlocking information, in addition before
Control panel 1 and the split lock information of id information of rear control plate 2 are encrypted, and form coded signal, and serial by first
Communication interface 13, serial data line, the second serial communication interface 22 are transmitted to the second control chip U2, by the second control chip U2
Be compared, according to comparison result export control signal control the first driving unit 24 with drive the first power source 31 work or
It stops working, split lock information connects after being encrypted by the first serial communication interface 13, serial data line, the second serial communication
Mouth 22 is conducive to avoid Tesla coil from interfering and the hidden danger unlocked is caused to occur, and bluetooth unlocking unit 25 is separately provided, and matches
The second power source 32 and the second driving unit 26 are closed, realizes the intelligent unlocking in the case where front control plate 1 is destroyed, to improve
Anti- Tesla coil interference performance and pick-proof unlocking ability, and then improve the safety of door lock.
In one embodiment, the working method of the door lock with high security is additionally provided, which comprises
The id information and rear control plate 2 of front control plate 1 are carried out using the ID push-button unit 23 that the indoor part of door lock is exposed
Id information is matched, and the id information of front control plate 1 is transmitted and is stored in the second control chip U2, by the ID of rear control plate 2
Information is transmitted and is stored in the first control chip U1, and one-to-one after door lock front control plate 1 and rear control plate 2 are installed is matched
It is right, realize the anti-illegal replacement function of door lock open air front control plate；
Information input unit 12 obtains unlocking information；
First control chip U1 receives unlocking information and mixes with the id information of the id information of front control plate 1 and rear control plate 2
Merge encryption, forms coded signal, and coded signal is transmitted by the first serial communication interface 13；
Second serial communication interface 22 receives the coded signal of the first serial communication interface 13 transmission, and is transmitted to the second control
Coremaking piece U2；
Second control chip U2 receiving enciphered signals, and coded signal is decrypted to obtain the id information of front control plate 1 with after
The id information of control panel 2 by the id information of the id information of front control plate 1 and rear control plate 2 and is stored in the second control chip U2
Interior id information is compared, and exports control signal according to comparison result；
First driving unit 24 drives the work of the first power source 31 according to the control signal or stops working.
It should be noted that it is apparent to those skilled in the art that, the above-mentioned door with high security
The specific implementation process of the working method of lock can refer to the corresponding description in the aforementioned door lock embodiment with high security,
For convenience of description and succinctly, details are not described herein.
It is above-mentioned that technology contents of the invention are only further illustrated with embodiment, in order to which reader is easier to understand, but not
It represents embodiments of the present invention and is only limitted to this, any technology done according to the present invention extends or recreation, by of the invention
Protection.Protection scope of the present invention is subject to claims.
Claims (10)
1. the door lock with high security, which is characterized in that described including front control plate, rear control plate and postposition clutch
Postposition clutch includes the first power source and the clutch body that connect with lock body, first power source and the clutch
Ontology connection, front control plate are equipped with the first control chip U1, information input unit and the first serial communication interface；After described
Control panel is equipped with second control chip U2, ID push-button unit, the second serial communication interface and the first driving unit；Described
One serial communication interface is connect with second serial communication interface；The ID push-button unit, for matching the ID of front control plate
The id information of front control plate is transmitted and is stored in the second control chip U2 by the id information of information and rear control plate, is controlled by after
The id information of plate is transmitted and is stored in the first control chip U1；The information input unit, for obtaining unlocking information；It is described
First control chip U1, for receiving unlocking information and mixing and add with the id information of the id information of front control plate and rear control plate
It is close, form coded signal；First serial communication interface, is used for transmission coded signal；Second serial communication interface is used
In the coded signal of reception the first serial communication interface transmission, and it is transmitted to the second control chip U2；Second control
Chip U2 is used for receiving enciphered signals, and decrypts coded signal to obtain the id information of front control plate and the ID letter of rear control plate
Breath, the id information of the id information of front control plate and rear control plate is compared with the id information being stored in the second control chip U2
It is right, control signal is exported according to comparison result；First driving unit, for driving the first power according to the control signal
Source works or stops working.
2. the door lock according to claim 1 with high security, which is characterized in that first serial communication interface with
Second serial communication interface is connected by serial data line.
3. the door lock according to claim 2 with high security, which is characterized in that the postposition clutch further includes
Two power sources, second power source are connect with the clutch body, and bluetooth unlocking unit is additionally provided on the rear control plate
And bluetooth is unlocked and is believed for receiving the bluetooth unlocking information of mobile terminal by second driving unit, the bluetooth unlocking unit
Breath output is driven the work of the second power source by the second driving unit or is stopped working to the second driving unit.
4. the door lock according to claim 3 with high security, which is characterized in that the bluetooth unlocking unit includes indigo plant
Tooth antenna, Bluetooth chip U3 and second power source unit, the Bluetooth antenna, the bluetooth for receiving mobile terminal, which is unlocked, to be believed
Breath；The Bluetooth chip U3 is transmitted to the second driving unit for bluetooth unlocking information to be converted to Bluetooth control signal；Institute
Second power source unit is stated, for providing power supply for Bluetooth chip U3 and the second driving unit.
5. the door lock according to any one of claims 1 to 3 with high security, which is characterized in that the rear control plate
It is equipped with first power source unit, the first power source unit is used to control chip U2, ID push-button unit, second for second serially logical
Communication interface, the first driving unit, the first control chip U1, information input unit, ID push-button unit and the first serial communication connect
Mouth provides power supply.
6. the door lock according to claim 4 with high security, which is characterized in that the type of the first control chip U1
Number include STM32F091VC.
7. the door lock according to claim 6 with high security, which is characterized in that the information input unit includes pressing
At least one in key module, wireless communication module, biological characteristic recognition module and module of swiping the card.
8. the door lock according to claim 7 with high security, which is characterized in that be additionally provided on the front control plate
One storage chip U5, display unit and prompt unit, the first storage chip U5, display unit and prompt unit difference
It is connect with the first control chip U1.
9. the door lock according to claim 1 with high security, which is characterized in that the rear control plate is equipped with temperature
Sensor, the temperature sensor are connect with the second control chip U2.
10. the working method of the door lock with high security, which is characterized in that the described method includes:
Using the id information of ID push-button unit pairing front control plate and the id information of rear control plate, the id information of front control plate is passed
It is defeated and be stored in the second control chip U2, the id information of rear control plate is transmitted and is stored in the first control chip U1；
Information input unit obtains unlocking information；
First control chip U1 receives unlocking information and mixes and add with the id information of the id information of front control plate and rear control plate
It is close, coded signal is formed, and coded signal is transmitted by the first serial communication interface；
Second serial communication interface receives the coded signal of the first serial communication interface transmission, and is transmitted to the second control chip
U2；
Second control chip U2 receiving enciphered signals, and coded signal is decrypted to obtain the id information and rear control plate of front control plate
Id information, by the id information of the id information of front control plate and rear control plate and the id information that is stored in the second control chip U2
It is compared, control signal is exported according to comparison result；
First driving unit drives the work of the first power source according to the control signal or stops working.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267969.XA CN109184361B (en) | 2018-10-29 | 2018-10-29 | Door lock with high safety and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811267969.XA CN109184361B (en) | 2018-10-29 | 2018-10-29 | Door lock with high safety and working method thereof |
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| CN109184361A true CN109184361A (en) | 2019-01-11 |
| CN109184361B CN109184361B (en) | 2023-09-26 |
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| CN201811267969.XA Active CN109184361B (en) | 2018-10-29 | 2018-10-29 | Door lock with high safety and working method thereof |
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