CN117318939B - Linkage type door lock unlocking system - Google Patents
Linkage type door lock unlocking system Download PDFInfo
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- CN117318939B CN117318939B CN202311585430.XA CN202311585430A CN117318939B CN 117318939 B CN117318939 B CN 117318939B CN 202311585430 A CN202311585430 A CN 202311585430A CN 117318939 B CN117318939 B CN 117318939B
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- 238000013523 data management Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims description 58
- 230000002159 abnormal effect Effects 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 15
- 238000012986 modification Methods 0.000 claims description 9
- 230000004048 modification Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 4
- 238000007726 management method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
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- 238000012163 sequencing technique Methods 0.000 description 2
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- 230000005856 abnormality Effects 0.000 description 1
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- 230000003416 augmentation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/088—Usage controlling of secret information, e.g. techniques for restricting cryptographic keys to pre-authorized uses, different access levels, validity of crypto-period, different key- or password length, or different strong and weak cryptographic algorithms
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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
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention relates to the technical field of door lock key management and control, in particular to a linkage type door lock unlocking system. The system comprises a key data management unit, a key state judging unit, a central controller and a minor term linkage regulation and control unit. The invention combines the state of the current user room, forms encryption self-locking for the current room by arranging the first door lock and the second door lock, and judges whether to increase the key unlocking state of the first door lock according to the input unlocking state of the first door lock, so as to reduce the potential safety hazard problem caused when the current first door lock is cracked by a risk person, and realize the protection of personal safety such as user room privacy.
Description
Technical Field
The invention relates to the technical field of door lock key management and control, in particular to a linkage type door lock unlocking system.
Background
At present, intelligent electronic door locks are becoming more and more popular, and the electronic door locks usually decrypt the access control in a fingerprint and password mode, so that the inconvenience that current people still need to carry a key ring to unlock is avoided.
For example, chinese patent publication No. CN116436957a provides a control method and system for an intelligent door lock, where the method includes: in a preset first time period, after the fingerprint is received for the first time to trigger unlocking and the unlocking is successful, a starting signal is output to the light controller; analyzing information of personnel corresponding to fingerprint triggering unlocking, and setting an intelligent control mode of the intelligent door lock to be disabled when the information is triggered by a preset marker; and in a preset second time period, after the fingerprint triggering unlocking operation of any person is received when the door body is closed, outputting a closing signal to the light controller and starting the intelligent control mode. According to the control method for the intelligent door lock, the intelligent door lock is linked with the light control, the light is started simultaneously when the intelligent door lock is opened, company personnel are facilitated, the intelligent control mode of the intelligent door lock is set to be inactive during working, and energy consumption waste caused by frequent entry and exit of personnel during working is avoided.
In the above-mentioned scheme, the intelligent door lock is unlocked through the unlocking of the fingerprint, but in practical application, considering the situation that the fingerprint identification is abnormal due to the injury and peeling of the hand of the user, the current intelligent door lock is equipped with the above-mentioned electronic password, so that the user can unlock through inputting the password, but also the following problems are caused:
at present, an electronic password of an intelligent door lock is usually preset by a user, and when a non-user exists and the electronic password is cracked, a password which cannot be changed by the intelligent door lock can generate great potential safety hazard;
in addition, at present, not only a door of a living room (refer to the outermost door), but also a plurality of living rooms such as two living rooms and three living rooms, and the like, and the bedroom and the corresponding intelligent door lock also exist in the living room, and according to the living habit of the current user, when the living room is usually out (if people going out and going home for a given time exist, for example, users with a given working time every day), most users only lock the intelligent door lock outside the living room, or lock other intelligent door locks (set a fingerprint to unlock or an electronic password), but when the non-user self-breaks the living room intelligent door lock, the intelligent door lock of the bedroom is also broken, after the intelligent door lock is broken, the privacy of the user is leaked, and meanwhile, the risk of property loss is also generated, and further, a great personal safety hidden trouble is caused for the user.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides a linkage type door lock unlocking system, which can effectively solve the problem that the current intelligent door lock is easy to crack because the electronic password of the intelligent door lock cannot be automatically judged and switched when the electronic password encounters a dangerous situation in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the invention provides a linkage type door lock unlocking system, which comprises a key data management unit, a key data management unit and a door lock unlocking unit, wherein the key data management unit is used for storing a plurality of groups of keys and executing a group of keys in a plurality of door locks respectively, and the linkage type door lock unlocking system further comprises:
the key state judging unit is connected with the output end of the key data management unit and is used for monitoring the input unlocking state of the key of the first door lock and judging whether the first door lock executes key stacking operation or not according to the input unlocking state;
the central controller is used for monitoring information of the first door lock for executing key stacking operation and generating pre-locking information of the second door lock;
the secondary item linkage regulation and control unit is used for receiving the pre-locking information of the central controller, enabling the second door lock to execute the key pre-locking state based on the pre-locking information, wherein:
and judging whether the second door lock executes the key switching operation according to the first door lock under the key stacking operation and the input unlocking state of the second door lock.
Further, the key data management unit comprises a key data preset module, the key data preset module is used for setting a key for the door lock, the output end of the key data preset module is connected with a key storage module, the key storage module is used for storing a plurality of groups of keys, the output end of the key storage module is connected with a preset key modification module, and the preset key modification module is used for modifying the key stored by the key data preset module.
Further, the key state determining unit includes an error threshold preset module, the error threshold preset module is used for creating an error limit threshold, the error limit threshold includes an error limit first threshold, an output end of the error threshold preset module is connected with an input state monitoring module, the input state monitoring module is used for monitoring an input unlocking state of a key in the first door lock, an output end of the input state monitoring module is connected with a key grouping control module, and the key grouping control module determines whether to invoke the key stored in the key storage module according to whether the input unlocking state exceeds the error limit first threshold so as to execute key stacking operation on the first door lock.
Further, the key addition control module determines the following manner:
when the number of times of inputting the decryption key in the first door lock is smaller than a first threshold value of error limitation, and unlocking of the first door lock is completed, the input state monitoring module judges that the first door lock is in a normal input unlocking state;
when the number of times of inputting the decryption key in the first door lock reaches a first threshold value of error limitation and unlocking of the first door lock side is completed, the input state monitoring module judges that the input state is an abnormal input unlocking state.
Further, when the input state monitoring module determines that the first door lock is in an abnormal input unlocking state, the key addition control module invokes the key stored in the key storage module to perform a key addition operation on the first door lock, wherein the key storage module invokes the key in the following manner:
determining an initial decryption key of the first door lock, judging a key of a character, which is different from the initial decryption key of the first door lock, in a key storage module, and calling the key into the first door lock to form a second group of decryption keys of the first door lock, wherein:
the determined keys are at least sequenced from more than one according to the different character key metrics, and the keys with more different character metrics are preferentially invoked.
Further, the error limit threshold further comprises an error limit second threshold, wherein:
after the first door lock performs the key stacking operation, the input state monitoring module synchronously monitors and judges the input unlocking state of the first door lock, and accordingly determines whether to unlock the first door lock.
Further, the minor linkage regulation and control unit comprises a linkage monitoring pre-locking module, wherein the linkage monitoring pre-locking module is used for receiving pre-locking information of the second door lock and monitoring whether the second door lock is in a key locking state, and when the second door lock is not in the key locking state, the linkage monitoring pre-locking module is used for calling a key in the key storage module to perform pre-locking on the second door lock.
Further, when the linkage monitoring pre-lock module invokes the key in the key storage module to perform pre-lock on the second door lock, the method for invoking the key is as follows:
determining a decryption key under the key overlapping operation of the first door lock, judging a key of a character which is different from the position corresponding to the decryption key under the key overlapping operation of the first door lock in the key storage module, wherein the key does not comprise the decryption key of the first door lock, and then calling the determined key into the second door lock to form a decryption key of the second door lock pre-lock, wherein the decryption key comprises the following steps:
the determined keys are at least sequenced from more than one according to the different character key metrics, and the keys with more different character metrics are preferentially invoked.
Further, the output end of the linkage monitoring pre-locking module is connected with a key instant switching module, and in the process of inputting the decryption key of the second door lock, the decryption key input in the second door lock for the first time is determined and checked, and whether to execute key switching operation is judged according to the checking state.
Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:
1. the method has the advantages that the method combines the state of the current user residence room, the first door lock and the second door lock are arranged to form encryption self-locking for the current residence room, and whether the key unlocking condition of the first door lock is increased or not is judged according to the input unlocking state of the first door lock, so that the potential safety hazard problem caused when the current first door lock is cracked by a risk person is reduced, and the protection of personal safety of privacy and the like of the user residence room is realized.
2. The locking state of the second door lock is regulated and controlled according to the input unlocking state of the first door lock, so that emergency self-locking protection can be provided when the second door lock is unlocked;
and based on the integral input unlocking state of the second door lock and the first door lock, key switching and judgment regulation and control of key limiting input times are comprehensively carried out on the locking condition of the second door lock, multiple risk judgment protection is carried out on the second door lock and the living room in a reasonable manner, and the safety risk existing in the use of the intelligent door lock in the living room of the current residence is greatly reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is an overall block diagram of the module of the present invention;
FIG. 2 is a block diagram of a first door lock and a second door lock of the present invention;
fig. 3 is a block diagram of the first door lock and second door lock regulation of the present invention.
Reference numerals in the drawings represent respectively:
10. a key data management unit;
110. a key data presetting module; 120. a key storage module; 130. a key modification module is preset;
20. a key state determination unit;
210. an error threshold value presetting module; 220. an input state monitoring module; 230. a key addition control module;
30. a minor term linkage regulation and control unit;
310. the linkage monitoring pre-locking module; 320. and a key instant switching module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
At present, not only a living room but also two living rooms exist, a plurality of door bodies and intelligent door locks exist in the living room, according to the living habit of the current user, when the living room is usually out (for example, people going out and coming home in a given time exist, for example, users having a given working time every day), most of users only lock the intelligent door locks outside the living room, when the living room intelligent door locks are broken by the non-users, the bedroom is directly stolen, or the door bodies of the bedroom are also locked by the intelligent door locks, but the intelligent door locks of the bedroom are also broken in the same way, and when the living room is broken, the privacy of the user is leaked when the living room is broken, and the risk of property loss is also generated.
Accordingly, in order to solve the above-mentioned problems, the present invention provides a linkage type door lock unlocking system, and the following description will further describe the present invention with reference to the embodiments.
Example 1 (see fig. 1-3): the linked door lock unlocking system specifically comprises a key data management unit 10, wherein the key data management unit 10 is used for storing a plurality of groups of keys and executing a group of keys in a plurality of door locks respectively, and further comprises:
the key state judging unit 20 is connected with the output end of the key data management unit 10, and the key state judging unit 20 is used for monitoring the input unlocking state of the key of the first door lock and judging whether the first door lock executes the key overlapping operation according to the input unlocking state; specifically, a plurality of intelligent locks are installed on a door body in a residence room in advance, and for unlocking the door body, a user can enter a room by unlocking the door body at the outermost side of the residence room in advance, so that a user can enter a plurality of groups of keys into the key data management unit 10, the key state judgment unit 20 monitors the input unlocking state of the first door lock (the door body at the outermost side of the residence room) key, namely whether the correct decryption key is input or not, the error limit threshold (the threshold of the number of input errors) is set to judge whether the input unlocking state is abnormal, when the key state judgment unit 20 judges that the input unlocking state of the first door lock key is abnormal, the key state judgment unit 20 performs key stacking operation on the first door lock, namely, after the first door lock is in the abnormal input unlocking state, a second group of unlocking keys (secondary decryption is needed) is formed for the first door lock, even if the first group of keys in the first door lock is correct, the subsequently formed unlocking keys are also needed, so that safety guarantee is made for the first door lock and the residence room, and meanwhile, the cracking difficulty is increased.
The central controller is used for monitoring information of the first door lock for executing key stacking operation and generating pre-locking information of the second door lock;
the secondary item linkage regulation and control unit 30, wherein the secondary item linkage regulation and control unit 30 is used for receiving the pre-lock information of the central controller, and enabling the second door lock to execute the key pre-lock state based on the pre-lock information;
based on the above, in the living habit of the present personnel, the key locking is usually performed only on the first door lock, the multiple users do not perform the key locking on the door body (the second door lock) in the living room, so the central controller (considering that the area of the present portion of the living room is larger, for example, the positions of the first door lock and the second door lock are farther, in order to realize accurate and stable signal transmission, the central controller is preferably arranged between the first door lock and the second door lock to solve the problem of unstable signal receiving and transmission, the signal controller for receiving and sending the instruction, for the central controller, there are various central controllers currently in the market, the signal receiving and transmission range of which are preferentially adapted to the living room or larger central controller is not described herein, specifically, the locking state of the second door lock (the door body in the living room) is collected, and the information of whether the key stacking operation is performed on the first door lock is monitored, when the second door lock is in the unlocked state, the central controller determines that the pre-locking information is performed to the second door lock to form the key pre-locking state, and the second door lock is also in the multiple encrypted and protected after the first door lock is also in the encrypted and decrypted state.
It should be noted that, that is, by monitoring that the first door lock is in the input unlocking state of the key stacking operation, and combining with the input unlocking state of the second door lock, when the first door lock is continuously abnormal (in this process, the key of the first door lock is explained to be already cracked), the secondary linkage regulating and controlling unit 30 switches the key of the second door lock in real time, so as to form protection to the second door lock, reduce the possibility of being cracked, and further reduce hidden troubles of privacy leakage, property damage and personal safety in the living room.
In summary, the linkage regulation and control setting of the current intelligent door lock is shown, and the scheme is further described as follows:
the key data management unit 10 includes a key data preset module 110, the key data preset module 110 is used for setting a key for a door lock, an output end of the key data preset module 110 is connected with a key storage module 120, the key storage module 120 is used for storing a plurality of groups of keys, an output end of the key storage module 120 is connected with a preset key modification module 130, and the preset key modification module 130 is used for modifying the key stored by the key data preset module 110; the user sets a plurality of groups of keys through the key data preset module 110 and stores the keys in the key storage module 120, and the user selects a group of keys through the key data preset module 110 to encrypt the first door lock, so that the user of the first door lock has to select the keys because the first door lock has to be encrypted, and the scheme is not limited for the second door lock.
It should be noted that the key of the subsequent second door lock is also set based on the key stored in the key storage module 120.
Next, the key state determining unit 20 includes an error threshold preset module 210, the error threshold preset module 210 is configured to create an error limit threshold, the error limit threshold includes an error limit first threshold, an output end of the error threshold preset module 210 is connected to an input state monitoring module 220, the input state monitoring module 220 is configured to monitor an input unlocking state of a key input into the first door lock, an output end of the input state monitoring module 220 is connected to a key addition control module 230, and the key addition control module 230 determines whether to invoke the key stored in the key storage module 120 according to whether the input unlocking state exceeds the error limit first threshold, so as to perform a key addition operation on the first door lock.
The key addition control module 230 determines the following manner:
when the number of times of inputting the decryption key in the first door lock is smaller than the first threshold value of error limitation, and unlocking of the first door lock is completed, the input state monitoring module 220 judges that the current input unlocking state is normal; in this embodiment, the first threshold for error limitation in the error threshold presetting module 210 may be set to 5 times, that is, when the input decryption key is less than 5 times and the decryption of the first door lock is completed, the first door lock is in an open state, and no abnormal input unlocking state is generated, that is, the key group adding control module 230 does not execute;
when the number of times of inputting the decryption key in the first door lock reaches the first threshold value, and the unlocking of the first door lock is completed, the input state monitoring module 220 determines that the input unlocking state is abnormal, in this case, the key addition control module 230 invokes the key stored in the key storage module 120 to perform the key addition operation on the first door lock, where the manner of invoking the key stored in the key storage module 120 is as follows:
determining an initial decryption key of the first door lock, determining a key of a character in the key storage module 120, which is different from the corresponding position of the initial decryption key of the first door lock, and calling the key into the first door lock to form a second group of decryption keys of the first door lock, wherein:
at least sequencing the determined keys according to the different character key metrics, and preferentially retrieving keys with different character metrics;
in the above scheme, when the input decryption key reaches 5 times and completes the decryption of the first door lock, the first door lock is in an open state, and the input state monitoring module 220 generates an abnormal input unlock state, that is, when the first door lock does not generate an abnormal input unlock state, the first door lock is directly opened without inputting the second group of decryption keys again, when the first door lock generates an abnormal input unlock state, the key augmentation control module 230 executes the secondary encryption state of the first door lock, that is, invokes the key stored in the key storage module 120, and preferentially invokes the key with a number of different metrics from the position characters corresponding to the initial decryption key of the first door lock, and sets the key as the secondary decryption key of the first door lock, so that the system determines that the first door lock may have a risk of being decrypted after a plurality of abnormal unlocking, therefore, the key different from the decryption key of the first door lock is set as the secondary decryption key to reduce the probability of subsequent decryption (generally, after the device is in the case of decrypting, the data, etc., the probability of subsequent decryption is reduced; the corresponding positions are different, namely the initial decryption key of the first door lock is 536471, the keys stored in the preset key modification module 130 are 145011, 218771, 415278 and the like, the passwords of the corresponding positions of 415278 and 536471 are different, one or two identical characters exist in the corresponding positions of 145011, 218771 and 536471, and the selected key sequence is 415278, 145011 and 218771;
when the decryption key is input for 5 times and the decryption of the first door lock is not completed, the input state monitoring module 220 enables the first door lock to be in a state of limiting input, the time of limiting input can be set by a user, and when the decryption key is not set, the decryption key is set to be 1 hour by default, so that the first door lock and a living room can be protected.
According to the above, the unlock state of the first door lock, which is the first abnormality, is considered:
in this case, the error limiting threshold further includes an error limiting second threshold, after the first door lock performs the key stacking operation, the input state monitoring module 220 synchronously monitors and determines the input unlocking state of the first door lock (under the error limiting second threshold), where the error limiting second threshold may be set to 3 times, that is, the first door lock is in an open state when the input decryption key is less than 3 times and the decryption of the first door lock is completed in an abnormal input unlocking state, and the abnormal input unlocking state is not generated at this time.
In this solution, the second door lock sets the error limiting second threshold in the first door lock, so when the decryption key is input for 3 times and the decryption of the first door lock is completed, the first door lock is in an open state, and the input state monitoring module 220 generates an abnormal input unlocking state, so that the error limiting second threshold of the subsequent second door lock generates reduced information and performs a reduced value, the reduced value is preset by a user and is 1 time at the minimum, and the limiting time of unlocking the second door lock is set, which is the same as that of the first door lock, so that the number of times of inputting the decryption key is limited when the subsequent second door lock is unlocked, and when the number of times of inputting the decryption key is reached and the decryption key is unlocked, the second door lock is in a limited unlocking state, otherwise, the unlocking is limited, so as to protect the second door lock, and simultaneously reduce the possibility of being cracked.
The minor term linkage regulation and control unit 30 includes a linkage monitoring pre-locking module 310, the linkage monitoring pre-locking module 310 is configured to receive pre-locking information of the second door lock, monitor whether the second door lock is in a key locking state, and when the second door lock is not in a key locking state, the linkage monitoring pre-locking module 310 invokes a key in the key storage module 120 to perform pre-locking on the second door lock, where the method for invoking the key is as follows:
determining a decryption key under the key stacking operation of the first door lock, determining a key of a character which is different from the position corresponding to the decryption key under the key stacking operation of the first door lock in the key storage module 120, wherein the key does not comprise the decryption key of the first door lock, then modulating the determined key into the second door lock to form a decryption key of the second door lock, at least sequencing the determined key according to the measurement of the key of the different character, preferentially modulating the key with the measurement of the different character, and performing pre-locking on the second door lock by the linkage monitoring pre-locking module 310 when the second door lock is monitored to be closed and the key is not locked, so that in the use process of the system, a user needs to know the situation so as to perform the pre-locking on the second door lock.
Finally, the output end of the coordinated monitoring pre-locking module 310 is connected with a key instant switching module 320, in the process of inputting the decryption key of the second door lock, the decryption key input in the second door lock for the first time is determined and checked, and whether to execute the key switching operation is determined according to the checking state, in this embodiment, key switching determination conditions are made for the decryption key input in the second door lock, specifically:
determining a correct decryption key in the second door lock, and monitoring the decryption key input in the second door lock for the first time by the input state monitoring module 220, checking the decryption key input in the second door lock for the first time with the correct decryption key in the second door lock, and directly unlocking the second door lock when the decryption key is correct;
when the key is incorrect, the number of correctly corresponding to the correct decryption key characters is determined, the switching judging condition is set to be the median value (the number of correct characters), when the correct characters in the input decryption key are higher than or equal to the median value of the correct decryption key characters, the key instant switching module 320 does not execute key switching operation, otherwise, the key instant switching module executes the key instant switching operation (for example, the correct decryption key is 415278, the current input decryption key is 415110, the key switching operation is not executed, the current input decryption key is 411110, and the key switching operation is executed), and therefore, the scheme forms adaptive encryption protection on the first door lock and the second door lock in a plurality of modes, and reduces the probability of being cracked and stolen of the current intelligent door lock.
It should be noted that, the operation of the key instant switching module 320 to perform key switching is the same as the method of the coordinated monitoring prelock module 310 to retrieve the key, and the key to be switched is the key for retrieving the character different from the corresponding position of the second portal lock decryption key, and is not described in detail herein according to the above sequence of the method.
Embodiment 2, unlike the above embodiment, is:
in this embodiment, the second threshold is set for the second door lock, so when the decryption key is input for 3 times and decryption of the first door lock is completed, the first door lock is in an open state, and the input state monitoring module 220 generates an abnormal input unlock state, so that the error limit second threshold of the subsequent second door lock generates reduced information and performs a reduced value, the reduced value is preset by a user and is 1 time at least, the second door lock can be ensured to be unlocked by inputting the decryption key, and the limit time of unlocking the second door lock is set, which is the same as that of the first door lock.
Therefore, on the basis of the first embodiment, the selected key is tuned into the second door lock in combination with the embodiment to form the decryption key of the second door lock key pre-lock, and the error limit second threshold value of the second door lock is controlled through the subsequent input unlocking state of the first door lock, so that the number of times that the decryption key can be input by the second door lock is redetermined, and the unlocking protection is preformed on the second door lock and the living room.
It should be noted that, the operation of the key instant switching module 320 to perform key switching is affected by this embodiment, for example: when the error limit second threshold is 1, the decryption key is allowed to be input only once, and the key instant switching module 320 cannot perform the key switching operation, so as to deepen the protection of the second lock and the living room.
Finally, it should be noted that in this solution, the central controller is connected to the user terminal (such as a mobile phone, a tablet, etc.), and each time the decryption key of the first door lock or the second door lock is changed, the central controller collects the current decryption keys of the first door lock and the second door lock, and sends the current decryption keys to the user with front characters of two sets of keys (two keys), and the number of the front characters (the front characters refer to the characters of the decryption key starting from the left) is preset in the central controller by the user, so that the central controller needs to input the terminal number of the user, such as the mobile phone number, in advance, thereby being convenient for the user to input the correct decryption key when the abnormal risk of the user living room is predicted.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the protection scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A linked type door lock unlocking system comprising a key data management unit (10), the key data management unit (10) being configured to store a plurality of sets of keys and execute a set of keys in a plurality of door locks, respectively, characterized by further comprising:
the key state judging unit (20) is connected with the output end of the key data management unit (10), and the key state judging unit (20) is used for monitoring the input unlocking state of the key of the first door lock and judging whether the first door lock executes the key overlapping operation according to the input unlocking state;
the central controller is used for monitoring information of the first door lock for executing key stacking operation and generating pre-locking information of the second door lock;
the secondary item linkage regulation and control unit (30), secondary item linkage regulation and control unit (30) are used for receiving the preliminary locking information of the central controller, make the second door lock carry out the key and preliminary lock state based on the preliminary locking information, wherein:
judging whether the second door lock executes key switching operation according to the first door lock under key stacking operation and the input unlocking state of the second door lock;
the key data management unit (10) comprises a key data preset module (110), wherein the key data preset module (110) is used for setting keys for a door lock, the output end of the key data preset module (110) is connected with a key storage module (120), the key storage module (120) is used for storing a plurality of groups of keys, the output end of the key storage module (120) is connected with a preset key modification module (130), and the preset key modification module (130) is used for modifying the keys stored by the key data preset module (110);
the key state judging unit (20) comprises an error threshold value presetting module (210), the error threshold value presetting module (210) is used for creating an error limit threshold value, the error limit threshold value comprises an error limit first threshold value, an output end of the error threshold value presetting module (210) is connected with an input state monitoring module (220), the input state monitoring module (220) is used for monitoring an input unlocking state of a key in the first door lock, an output end of the input state monitoring module (220) is connected with a key addition group control module (230), and the key addition group control module (230) judges whether to call a key stored in the key storage module (120) according to whether the input unlocking state exceeds the error limit first threshold value or not so as to execute key addition stacking operation on the first door lock;
the error limit threshold further comprises an error limit second threshold, wherein:
after the first door lock performs the key stacking operation, an input state monitoring module (220) synchronously monitors and judges the input unlocking state of the first door lock, and thereby determines whether to unlock the first door lock;
the secondary linkage regulation and control unit (30) comprises a linkage monitoring pre-locking module (310), wherein the linkage monitoring pre-locking module (310) is used for receiving pre-locking information of the second door lock and monitoring whether the second door lock is in a key locking state, and when the second door lock is not in the key locking state, the linkage monitoring pre-locking module (310) is used for calling a key in the key storage module (120) to perform pre-locking on the second door lock;
the output end of the linkage monitoring pre-locking module (310) is connected with a key instant switching module (320), and in the process of inputting a decryption key of the second door lock, the decryption key input in the second door lock for the first time is determined and checked, and whether to execute key switching operation is judged according to the checking state;
the key addition control module (230) invokes a key stored in the key storage module (120) to perform a key addition operation on the first door lock, wherein the key storage module (120) is invoked to store the key in the following manner:
determining an initial decryption key of the first door lock, determining a key of a character, which is different from the corresponding position of the initial decryption key of the first door lock, in a key storage module (120), and calling the key into the first door lock to form a second group of decryption keys of the first door lock, wherein:
sorting the second group of decryption keys according to the different character key metrics from at least more, and preferentially calling the keys with different character metrics;
the linkage monitoring pre-locking module (310) is used for calling the secret key in the secret key storage module (120) to perform pre-locking on the second door lock, and the method for calling the secret key is as follows:
determining a decryption key under the first door lock execution key overlay operation, determining a key of a character in the key storage module (120) which is different from the position corresponding to the decryption key under the first door lock execution key overlay operation, wherein the key does not comprise the decryption key of the first door lock, the determined secret key is called into a second door lock to form a decryption secret key of a second door lock pre-lock, the decryption secret key is ordered at least by more according to the measurement of the different character secret keys, and the secret key with more different character measurement is preferentially called;
the key switching judgment condition is made for the decryption key input in the second door lock, specifically:
determining a correct decryption key in the second door lock, and monitoring the decryption key input in the second door lock for the first time by an input state monitoring module (220), checking the decryption key input in the second door lock for the first time and the correct decryption key in the second door lock, and directly unlocking the second door lock when the decryption key is correct;
when the key is incorrect, determining the number of the correct corresponding characters of the input decryption key and the correct decryption key, and when the correct characters in the input decryption key are higher than or equal to half of the number of the correct decryption key characters, executing the key instant switching module (320) without executing key switching operation, otherwise;
setting a second threshold value of error limitation in the first door lock for the second door lock, when the input decryption key reaches the second threshold value of error limitation and decryption of the first door lock is completed, the first door lock is in an open state, and the input state monitoring module (220) generates an abnormal input unlocking state, so that the second threshold value of error limitation of the subsequent second door lock generates reduced information and executes a reduced value, wherein the reduced value is preset by a user and is the number of times of limiting the input decryption key when the second door lock is unlocked.
2. The coordinated door lock unlocking system according to claim 1, wherein the key addition control module (230) determines the following manner:
when the number of times of inputting the decryption key in the first door lock is smaller than a first threshold value of error limitation and unlocking of the first door lock is completed, the input state monitoring module (220) judges that the first door lock is in a normal input unlocking state;
when the number of times of inputting the decryption key in the first door lock reaches a first threshold value of error limitation and unlocking of the first door lock side is completed, the input state monitoring module (220) judges that the input state is an abnormal input unlocking state.
3. The coordinated door lock unlocking system according to claim 1, wherein the key addition control module (230) invokes a key stored in the key storage module (120) to perform a key addition operation on the first door lock when the input state monitoring module (220) determines that the first door lock is in an abnormal input unlocking state.
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