CN116229619B - Intelligent door lock based on intelligent door magnetic induction system - Google Patents
Intelligent door lock based on intelligent door magnetic induction system Download PDFInfo
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- CN116229619B CN116229619B CN202310511394.6A CN202310511394A CN116229619B CN 116229619 B CN116229619 B CN 116229619B CN 202310511394 A CN202310511394 A CN 202310511394A CN 116229619 B CN116229619 B CN 116229619B
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- 230000006698 induction Effects 0.000 title claims abstract description 18
- 238000012545 processing Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 238000012937 correction Methods 0.000 claims description 9
- 230000001815 facial effect Effects 0.000 claims description 6
- 238000005286 illumination Methods 0.000 claims description 6
- 238000011156 evaluation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 244000144985 peep Species 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Classifications
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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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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B45/00—Alarm locks
- E05B45/06—Electric alarm locks
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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
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
- G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
- G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
Abstract
The application discloses an intelligent door lock based on an intelligent door magnetic induction system, which relates to the technical field of intelligent door locks, wherein a safety area is defined outdoors near the intelligent door lock, and a detection unit detects scene conditions in the safety area of the intelligent door lock; after the scene conditions are sent to the data processing unit, generating and outputting scene coefficients; when the generated scene coefficient is lower than the corresponding condition threshold value, a detection unit is used for identifying whether strangers exist in the safety area, and when the strangers do not exist, after the Bluetooth module of the second control end is successfully paired with the Bluetooth equipment of the intelligent door lock, the first control end sends a specific instruction word to the second control end, and after the voice recognition module of the intelligent door lock is used for identifying the specific instruction word, the intelligent door lock is opened. The corresponding unlocking strategy and measures are selected according to the scene in the safety area, so that the convenience and the intelligence of the intelligent door lock are improved; and when strangers exist in the safety area, the safety of the intelligent door lock is improved.
Description
Technical Field
The application relates to the technical field of intelligent door locks, in particular to an intelligent door lock based on an intelligent door magnetic induction system.
Background
The magnetic induction system is applied with technologies such as fingerprint recognition, voice recognition and face recognition, so that the door can be automatically recognized and opened or closed, and convenience and safety of entering and exiting the door are improved. The magnetic induction system of the intelligent door can monitor the state of the door and send corresponding information to the user, and can send the state information of the door to the user through the Internet or other communication modes, so that the user can know the state of the door in real time, and the user can check whether the door is closed or not and when the door is opened or closed through a mobile phone application program.
It can also integrate with other intelligent house equipment, for example intelligent lock or safety camera to realize more comprehensive safety protection, corresponding still dispose intelligent lock on the intelligent door, intelligent lock disposes multiple unlocking methods, for example fingerprint identification, speech recognition, face identification etc. and the user can use any mode among them when unblanking.
When the existing intelligent door lock is used, although the unlocking mode of the intelligent door lock can be adjusted, if a user is not in the middle of the intelligent door lock and the unlocking authority is transferred to other people, the user can hardly perceive the current situation of the intelligent door, for example, when the person who obtains the unlocking authority is unlocking and inputs an unlocking password, if a stranger exists beside the user, and when the stranger peeps, the unlocking password can leak, so that a certain potential safety hazard is brought, and after the unlocking password is informed to other people, the user can hardly know who finally unlocks and enters a room.
Therefore, the application provides the intelligent door lock based on the intelligent door magnetic induction system.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the application provides an intelligent door lock based on an intelligent door magnetic induction system, and a detection unit is used for detecting scene conditions in a safety area of the intelligent door lock; after the scene conditions are sent to the data processing unit, generating and outputting scene coefficients; when the generated scene coefficient is lower than the corresponding condition threshold value, a detection unit is used for identifying whether strangers exist in the safety area, and when the strangers do not exist, after the Bluetooth module of the second control end is successfully paired with the Bluetooth equipment of the intelligent door lock, the first control end sends a specific instruction word to the second control end, and after the voice recognition module of the intelligent door lock is used for identifying the specific instruction word, the intelligent door lock is opened. The corresponding unlocking strategy and measures are selected according to the scene in the safety area, so that the convenience and the intelligence of the intelligent door lock are improved; and when strangers exist in the safety area, the safety of the intelligent door lock is improved, and the problem in the background technology is solved.
(II) technical scheme
In order to achieve the above purpose, the application is realized by the following technical scheme: the intelligent door lock comprises a detection unit, a data processing unit, a control unit, a locking unit and an alarm unit, wherein after a first control end sends permission to a second control end, unlocking permission of the first control end is shared to the second control end, when a second user with the second control end is identified to be close to the intelligent door lock, a safety area is defined outdoors close to the intelligent door lock, and scene conditions in the safety area of the intelligent door lock are detected by the detection unit; after the scene conditions are sent to the data processing unit, generating and outputting scene coefficients Hxs;
the scene coefficients Hxs are generated as follows: the scene conditions comprise illumination intensity Gq and sound intensity Sq in the safety area, dimensionless processing is carried out after the data processing unit obtains the illumination intensity Gq and the sound intensity Sq, and a scene coefficient Hxs is generated according to the following formula:
wherein ,/>，/>And (2) andthe specific value of which is set by the user adjustment, +.>Is a constant correction coefficient;
when the generated scene coefficient Hxs is lower than the corresponding condition threshold value, a control command is formed by the control unit, the lighting device is started to light the safety area, the detection unit is used for identifying whether a stranger exists in the safety area, when no stranger exists in the safety area, the Bluetooth module of the second control end is started, after the Bluetooth module of the second control end is successfully paired with the Bluetooth equipment of the intelligent door lock, the first control end sends a specific instruction word to the second control end, the specific instruction word is played by the second control end, and after the voice recognition module of the intelligent door lock is used for identifying the specific instruction word, the intelligent door lock is turned to be opened by closing.
Further, when the detection unit recognizes that a stranger exists in the safety area, the data processing unit respectively measures the distances between the second user and the stranger and the intelligent door lock, a distance ratio Lb is generated according to the ratio of the distances between the second user and the stranger, when the distance ratio Lb is lower than a distance threshold value, the intelligent door lock only starts a face recognition module, and after the second user passes the face recognition, the second user turns from closing to opening; and when the distance ratio Lb is higher than the distance threshold value, acquiring the number of strangers in the safety area, and determining the stranger ratio Mb according to the ratio of the number of strangers to the second user.
Further, summarizing the obtained distance ratio Lb and stranger ratio Mb, establishing a first safety index set, sending the first safety index set to a data processing unit, after the first safety index set is obtained by the data processing unit, carrying out dimensionless processing on the distance ratio Lb and the stranger ratio Mb, evaluating and generating a first safety coefficient Ses,
the first safety factor Ses is generated according to the following formula:
wherein ,/>，/>And->，/>The specific value of the weight is set by the user.
Further, after the first security coefficient Ses in the security area is obtained, selecting a corresponding unlocking strategy according to the relationship between the security coefficient Ses and the first security threshold, wherein the specific strategy is as follows: when the first safety coefficient Ses is lower than a first safety threshold value, enabling the intelligent door lock to only enable the face recognition module, and turning the intelligent door lock from closed to open after the second user performs face recognition; when the safety coefficient Ses is higher than a first safety threshold, the first control end sends a dynamic password to the second control end, and the intelligent door lock is turned from closing to opening after the dynamic password is checked by the intelligent door lock in a preset time.
Further, after the second user enters the room, identifying whether strangers exist in the safety area through the detection unit, if so, identifying the number of the strangers and generating a number Rs, obtaining the average distance between the strangers in the safety area and the intelligent door lock, generating a safety distance As, and recording the stay time Ts of the strangers in the safety area when the strangers exist in the safety area and the stay time of the strangers in the safety area exceeds a preset time threshold;
summarizing the number Rs, the safety distance As and the residence time Ts, establishing a second safety index set, and generating a second safety coefficient Tes according to the following formula after the second safety index set is sent to a data processing unit;
wherein alpha and beta are parameters of changeable constants, < ->，The specific value of which is set by the user adjustment, +.>Is a constant correction coefficient.
Further, according to the relation between the second safety coefficient Tes and the second safety threshold, a corresponding unlocking strategy is selected, and the specific strategy is as follows: when the second safety coefficient Tes is lower than a second safety threshold value, a control command is formed by the control unit, so that the alarm unit sends alarm information to a second user in the room, and the lighting device is started to illuminate the safety area; when the second safety coefficient Tes is higher than a second safety threshold, the intelligent door lock is enabled to only enable the face recognition module and the fingerprint recognition module, and the intelligent door lock is turned from closed to open after strangers pass face recognition and fingerprint recognition in sequence.
Further, after the Bluetooth module of the second control end is paired with the Bluetooth equipment of the intelligent door lock, if the second user holding the second control end is a stranger, after the identification module of the intelligent door lock identifies the specific instruction word played by the second control end, the prompt module of the intelligent door lock guides the stranger holding the second control end to carry out face identification; the recognition module collects the facial image of the stranger, the facial image is sent to the first control end, when the first control end confirms the holder of the second control end as the stranger, if no person exists indoors, the control unit forms a control instruction, the alarm unit sends alarm information to the first control end, and the standby locking unit locks and reinforces the intelligent door of the user indoors.
Further, when people exist indoors, after the alarm unit sends out alarm information, if strangers with a second control end outside the door stay in the safety area, the detection unit recognizes the number Rs of the strangers in the safety area, the safety distance As and the stay time Ts again, a second safety index set is built again, and a second safety coefficient Tes is generated again; the detection unit acquires the attempt number Cs of the stranger attempting to unlock the second control end, the detection unit recognizes the number of people in the room, the indoor person ratio Sn is generated according to the ratio of the number of people in the room to the number of people in the room, the data processing unit acquires the attempt number Cs and the indoor person ratio Sn, dimensionless processing is carried out, and a third safety coefficient Fes is generated according to the following formula:
the meaning and the value of the parameters are as follows: />，，/>For the weight, its specific value is set by the user adjustment, +.>Is a constant correction coefficient.
Further, when the second safety coefficient Tes and the third safety coefficient Fes are both higher than the corresponding threshold values, a control instruction is formed by the control unit, so that the alarm unit sends alarm information indoors and the lighting device is started to illuminate the safety area; when at least one of the second safety coefficient Tes and the third safety coefficient Fes is lower than the corresponding safety threshold value, acquiring the second safety coefficient Tes and the third safety coefficient Fes, and generating a comprehensive safety coefficient Zls according to the following mode:
continuously acquiring a plurality of second safety coefficients Tes and third safety coefficients Fes at fixed time intervals along the extending direction of the time axis, and recording the two safety coefficients Tes and the third safety coefficients Fes as respectively、/>Up to->、/> and />、/>Up to->；
wherein ,/>And->，/>The specific value is set by the user;
wherein ,/>Is the sliding mean value of the second safety factor Tes, < >>Is the sliding average value of the third safety coefficient Fes.
Further, when the comprehensive safety coefficient Zls is higher than the comprehensive safety threshold, a control instruction is formed by the control unit, so that the alarm unit sends alarm information to indoor users, and the standby locking unit locks and reinforces the indoor intelligent doors indoors; when the comprehensive safety coefficient Zls is lower than the comprehensive safety threshold, a control instruction is formed by the control unit, so that the alarm unit sends alarm information to the indoor user, the standby locking unit locks and reinforces the indoor intelligent door lock and closes the unlocking function of the intelligent door lock until no stranger exists in the safety area, and the unlocking function of the intelligent door lock is restored.
(III) beneficial effects
The application provides an intelligent door lock based on an intelligent door magnetic induction system, which has the following beneficial effects:
1. the identity of the second unlocking user is identified, and the safety area is illuminated, so that the unlocking convenience and safety can be improved, the corresponding unlocking strategy and measures are selected according to the scene in the safety area, and the convenience and the intelligence of the intelligent door lock can be improved when the intelligent door lock is unlocked; when strangers exist in the safety area, face recognition is started after Bluetooth pairing is completed, and the second user opens the intelligent door lock through the face recognition, so that the safety of the intelligent door lock can be improved.
2. When strangers exist in the safety area, the safety environment in front of the door is evaluated, different unlocking strategies are adopted according to the value of the first safety coefficient Ses, so that the unlocking strategies are adapted to the current outdoor scene, the unlocking safety is fully ensured, and the unlocking password or unlocking mode of the intelligent door lock is prevented from being revealed.
3. After the second user enters the room, if a stranger still stays in the safe area, according to the value of the second safety coefficient Tes, alarm information is sent out or the unlocking mode of the intelligent door lock is changed, and an alarm is sent out to the stranger staying outdoors, so that the room safety is ensured when the unlocking password of the intelligent door lock is known by the stranger.
4. When the stranger holds the second control end, the face information of the stranger is collected and used as a certificate, and backtracking is facilitated when potential safety hazards are generated; when no person is in the room, the intelligent door lock is reinforced to prevent strangers from cracking and entering; when someone exists indoors, the outdoor safety environment and the indoor safety environment are evaluated respectively, measures are taken according to the evaluation result, the intelligent door lock is reinforced, the unlocking function of the intelligent door lock is additionally closed until no stranger exists in a safety area, and the indoor safety is fully ensured through the cooperation of various measures.
Drawings
Fig. 1 is a schematic flow chart of a smart door lock of the magnetic induction system of the smart door of the present application.
In the figure: 10. a detection unit; 20. a data processing unit; 30. a control unit; 40. a locking unit; 50. and an alarm unit.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
When the intelligent door lock is used, a door lock owner is used as a first user, when the first user is not in the room, and a second user needs to enter the room, the control authority of the door lock is transferred to the second user by the first user, at the moment, control equipment, such as a mobile phone, held by the first user is used as a first control end, and the mobile phone held by the second user can be used as a second control end; when the first user is not present, the unlocking authority of the first control end needs to be transferred to the second control end, and finally the second control end is held by the second user to unlock.
Referring to fig. 1, the present application provides an intelligent door lock based on an intelligent door magnetic induction system, which comprises a detecting unit 10, a data processing unit 20, a control unit 30, a locking unit 40 and an alarm unit 50, wherein,
after the first control end sends permission to the second control end, the unlocking permission of the first control end is shared to the second control end, when a second user with the second control end is identified to be close to the intelligent door lock, a safety area is defined outside the intelligent door lock, the detection unit 10 detects scene conditions in the safety area of the intelligent door lock, the scene conditions are sent to the data processing unit 20, and then, a scene coefficient Hxs is generated and output, wherein the scene coefficient Hxs is generated in the following manner:
the scene conditions include the illumination intensity Gq and the sound intensity Sq in the safety region, and after the data processing unit 20 acquires the illumination intensity Gq and the sound intensity Sq, dimensionless processing is performed to generate a scene coefficient Hxs according to the following formula:
wherein ,/>，/>And (2) andthe specific value of which is set by the user adjustment, +.>Is a constant correction coefficient;
when the generated scene coefficient Hxs is lower than the corresponding condition threshold value, the control unit 30 forms a control instruction, the lighting device is started to light the safety area, the detection unit 10 identifies whether a stranger exists in the safety area, when no stranger exists in the safety area, the Bluetooth module of the second control end is started, after the Bluetooth module of the second control end is successfully paired with the Bluetooth equipment of the intelligent door lock, the first control end sends a specific instruction word to the second control end, the specific instruction word is played by the second control end, and after the voice identification module of the intelligent door lock identifies the specific instruction word, the intelligent door lock is turned to be opened by closing.
When the intelligent door lock is used, when a first user cannot open the door by himself, unlocking authority of the intelligent door lock is shared by a first control end to a second control end, and through successful pairing of Bluetooth, the identity of the second user is verified preliminarily, meanwhile, when unlocking conditions in a safety area are poor, for example, when light is dim, the safety area is irradiated, and whether strangers exist in the safety area or not is judged, so that a proper unlocking strategy is selected.
Therefore, when the intelligent door lock is opened, the identity of the second user which is unlocking is indirectly identified through the pairing identification of the second client, so that the indoor safety is guaranteed, the unlocking convenience and safety can be improved through defining the safety area and illuminating the safety area, and meanwhile, the corresponding unlocking strategy and measures are selected according to the scene in the safety area, so that the convenience and the intelligence of the intelligent door lock can be improved when the intelligent door lock is opened.
Referring to fig. 1, when the detection unit 10 recognizes that a stranger exists in the security area, the data processing unit 20 measures distances between the second user and the stranger and the smart door lock respectively, a distance ratio Lb is generated according to a ratio of the distances between the second user and the stranger, and when the distance ratio Lb is lower than a distance threshold value, the smart door lock only enables the face recognition module, and after the second user passes the face recognition, the second user turns from closing to opening;
when the distance ratio Lb is higher than the distance threshold value, acquiring the number of strangers in the safety area, and determining a stranger ratio Mb according to the ratio of the number of strangers to the second user; here, the stranger refers to a third person who has not been recorded by the smart door lock and who has not entered the room when the smart door lock is opened.
When the intelligent door lock is used, after Bluetooth pairing is completed, the second user holding the second control end is determined to have unlocking authority, when the second user holding the second control end is unlocked, if strangers exist in a safety area, face recognition is only started, and the second user opens the intelligent door lock through face recognition, so that the safety of the intelligent door lock is improved.
Referring to fig. 1, the acquired distance ratio Lb and stranger ratio Mb are summarized, a first safety index set is established, the first safety index set is sent to a data processing unit 20, after the first safety index set is acquired by the data processing unit 20, the distance ratio Lb and stranger ratio Mb are subjected to dimensionless processing, and then a first safety coefficient Ses is evaluated and generated, wherein the first safety coefficient Ses is generated according to the following formula:
wherein ,/>，/>And->，/>The specific value of the weight is set by the user.
After the first security coefficient Ses in the security area is obtained, selecting a corresponding unlocking strategy according to the relation between the security coefficient Ses and a first security threshold, wherein the specific strategy is as follows:
when the first safety coefficient Ses is lower than a first safety threshold value, enabling the intelligent door lock to only enable the face recognition module, and turning the intelligent door lock from closed to open after the second user performs face recognition; when the safety coefficient Ses is higher than a first safety threshold, the first control end sends a dynamic password to the second control end, and the intelligent door lock is turned from closing to opening after the dynamic password is checked by the intelligent door lock in a preset time.
When the intelligent door lock is used, by forming the first safety coefficient Ses, when strangers exist in a safety area, the outdoor safety environment can be evaluated, different unlocking strategies are adopted according to the value of the first safety coefficient Ses, so that the unlocking strategies are adapted to the current outdoor scene, the unlocking safety can be fully ensured during unlocking, the unlocking password or unlocking mode of the intelligent door lock is prevented from being leaked, and the usability of the intelligent door lock is maintained.
Referring to fig. 1, after a second user enters a room, identifying whether a stranger exists in a security area through a detection unit 10, if so, identifying the number of the strangers and generating a number Rs, acquiring an average distance between the strangers and an intelligent door lock in the security area, generating a security distance As, and recording the stay time Ts of the stranger in the security area when the stranger exists in the security area and the stay time of the stranger in the security area exceeds a preset time threshold;
summarizing the number Rs, the safety distance As and the stay time Ts, establishing a second safety index set, and generating a second safety coefficient Tes according to the following formula after the second safety index set is sent to the data processing unit 20;
wherein alpha and beta are parameters of changeable constants, < ->，The specific value of which is set by the user adjustment, +.>Is a constant correction coefficient.
When the outdoor safety condition identification system is used, after a second user enters an indoor space, the outdoor safety area is continuously identified, whether strangers stay is judged, if the strangers stay, a second safety coefficient Tes is generated, and the outdoor safety condition is evaluated and judged by the second safety coefficient Tes.
According to the relation between the second safety coefficient Tes and the second safety threshold, selecting a corresponding unlocking strategy, wherein the specific strategy is as follows:
when the second safety coefficient Tes is lower than the second safety threshold value, a control command is formed by the control unit 30, so that the alarm unit 50 sends alarm information to a second user in the room, and the lighting device is started to light the safety area; when the second safety coefficient Tes is higher than a second safety threshold, the intelligent door lock is enabled to only enable the face recognition module and the fingerprint recognition module, and the intelligent door lock is turned from closed to open after strangers pass face recognition and fingerprint recognition in sequence.
When the intelligent door lock is used, according to the value of the second safety coefficient Tes, alarm information is sent out or the opening mode of the intelligent door lock is changed, so that an alarm effect is conveniently achieved on strangers staying outdoors, and indoor safety can be guaranteed; and meanwhile, when the second safety coefficient Tes is higher than a second safety threshold, the unlocking mode of the intelligent door lock is adjusted, and if the unlocking password of the intelligent door lock is known by strangers, the indoor safety can be fully ensured.
Referring to fig. 1, after a bluetooth module of a second control end is paired with bluetooth equipment of a smart door lock, if a second user holding the second control end is a stranger, after an identification module of the smart door lock identifies a specific instruction word played by the second control end, a prompt module of the smart door lock guides the stranger holding the second control end to perform face recognition;
the recognition module collects the facial image of the stranger, sends the facial image to the first control end, when the first control end confirms the holder of the second control end as the stranger, if no person exists indoors, the control unit 30 forms a control instruction, the alarm unit 50 sends alarm information to the first control end, and the standby locking unit 40 locks and reinforces the intelligent door of the person in the house.
When the intelligent door lock is used, when a stranger holds the second control end, the face information of the stranger is collected to serve as a certificate, backtracking and overtaking are convenient when potential safety hazards are generated, and meanwhile, the intelligent door lock is reinforced through the matching of the locking unit 40, so that the stranger can be prevented from breaking the door and guaranteeing indoor safety.
Referring to fig. 1, when a person is in the room, after the alarm unit 50 sends out alarm information, if a stranger with a second control end outside the door still stays in the safety area, the detection unit 10 recognizes again the number Rs of the stranger in the safety area and the safety distance As and stay time Ts, establishes again a second safety index set, and generates again a second safety coefficient Tes;
the detection unit 10 acquires the number of attempts Cs of trying to unlock the lock by a stranger with a second control end, after the detection unit 10 recognizes the number of people in the room, the indoor people ratio Sn is generated according to the ratio of the number of people in the room to the number of people in the room, the data processing unit 20 acquires the number of attempts Cs and the indoor people ratio Sn, dimensionless processing is performed, and a third safety coefficient Fes is generated according to the following formula:
the meaning and the value of the parameters are as follows: />，，/>For the weight, its specific value is set by the user adjustment, +.>Is a constant correction coefficient.
When the intelligent door lock is used, a stranger holds the second control end, and when someone exists indoors, the intelligent door lock passes through the second safety coefficient Tes again, and a third safety coefficient Fes is generated, so that the outdoor safety environment and the indoor safety environment are respectively evaluated, and according to an evaluation result, a corresponding adjustment strategy can be adopted for the intelligent door lock.
Referring to fig. 1, when the second safety coefficient Tes and the third safety coefficient Fes are both higher than the corresponding threshold values, a control command is formed by the control unit 30, so that the alarm unit 50 sends alarm information indoors and the lighting device is started to light the safety area; when at least one of the second safety coefficient Tes and the third safety coefficient Fes is lower than the corresponding safety threshold value, acquiring the second safety coefficient Tes and the third safety coefficient Fes, and generating a comprehensive safety coefficient Zls according to the following mode:
continuously acquiring a plurality of second safety coefficients Tes and third safety coefficients Fes at fixed time intervals along the extending direction of the time axis, and recording the two safety coefficients Tes and the third safety coefficients Fes as respectively、/>Up to->、/> and />、/>Up to->；
wherein ,/>And->，/>The specific value is set by the user;
wherein ,/>Is the sliding mean value of the second safety factor Tes, < >>Is the sliding average value of the third safety coefficient Fes.
When the safety system is used, when both indoor and outdoor safety is achieved, a first safety strategy is adopted, namely, an alarm or a reminder is sent out to both indoor and outdoor, if at least one of the indoor and outdoor safety is possibly insufficient, the comprehensive safety coefficient Zls is continuously generated, and more suitable operation is conveniently carried out according to the comprehensive safety coefficient Zls.
When the comprehensive safety coefficient Zls is higher than the comprehensive safety threshold, a control command is formed by the control unit 30, so that the alarm unit 50 sends alarm information to indoor users, and the standby locking unit 40 locks and reinforces the indoor intelligent doors indoors; when the comprehensive safety coefficient Zls is lower than the comprehensive safety threshold, a control command is formed by the control unit 30, so that the alarm unit 50 sends alarm information to the indoor user, the standby locking unit 40 locks and reinforces the indoor intelligent door lock indoors, and the unlocking function of the intelligent door lock is closed, and the unlocking function of the intelligent door lock is restored until no stranger exists in the safety area.
When the intelligent door lock is used, when the comprehensive safety coefficient Zls is higher than the comprehensive safety threshold, if strangers still stay in the outdoor safety area, only a proper prompt is sent out, and when the comprehensive safety coefficient Zls is lower than the comprehensive safety threshold, the intelligent door lock is reinforced (for example, a door latch for reinforcement is started) and the unlocking function of the intelligent door lock is additionally closed until no strangers exist in the safety area, so that the indoor safety is fully ensured through the cooperation of the measures.
The above contents are combined:
the identity of the second unlocking user is identified, and the safety area is illuminated, so that the unlocking convenience and safety can be improved, the corresponding unlocking strategy and measures are selected according to the scene in the safety area, and the convenience and the intelligence of the intelligent door lock can be improved when the intelligent door lock is unlocked; when strangers exist in the safety area, face recognition is started after Bluetooth pairing is completed, and the second user opens the intelligent door lock through the face recognition, so that the safety of the intelligent door lock can be improved.
When strangers exist in the safety area, the safety environment in front of the door is evaluated, different unlocking strategies are adopted according to the value of the first safety coefficient Ses, so that the unlocking strategies are adapted to the current outdoor scene, the unlocking safety is fully ensured, and the unlocking password or unlocking mode of the intelligent door lock is prevented from being revealed.
After the second user enters the room, if a stranger still stays in the safe area, according to the value of the second safety coefficient Tes, alarm information is sent out or the unlocking mode of the intelligent door lock is changed, and an alarm is sent out to the stranger staying outdoors, so that the room safety is ensured when the unlocking password of the intelligent door lock is known by the stranger.
When the stranger holds the second control end, the face information of the stranger is collected and used as a certificate, and backtracking is facilitated when potential safety hazards are generated; when no person is in the room, the intelligent door lock is reinforced to prevent strangers from cracking and entering; when someone exists indoors, the outdoor safety environment and the indoor safety environment are evaluated respectively, measures are taken according to the evaluation result, the intelligent door lock is reinforced, the unlocking function of the intelligent door lock is additionally closed until no stranger exists in a safety area, and the indoor safety is fully ensured through the cooperation of various measures.
The above embodiments may be implemented in whole or in part by software, hardware, firmware, or any other combination. When implemented in software, the above-described embodiments may be implemented in whole or in part in the form of a computer program product. Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application.
Claims (7)
1. Intelligent door lock based on intelligent door magnetic induction system, its characterized in that: the intelligent door lock system comprises a detection unit (10), a data processing unit (20), a control unit (30), a locking unit (40) and an alarm unit (50), wherein after a first control end sends permission to a second control end, unlocking permission of the first control end is shared to the second control end, when a second user with the second control end is identified to be close to an intelligent door lock, a safety area is defined outside the intelligent door lock, the detection unit (10) detects scene conditions in the safety area of the intelligent door lock, and after the scene conditions are sent to the data processing unit (20), scene coefficients Hxs are generated and output;
the scene coefficients Hxs are generated as follows: the scene conditions comprise illumination intensity Gq and sound intensity Sq in the safety area, dimensionless processing is carried out after the data processing unit (20) obtains the illumination intensity Gq and the sound intensity Sq, and scene coefficients Hxs are generated according to the following formula:
wherein ,，/>and->The specific value of which is set by the user adjustment, +.>Is a constant correction coefficient;
when the generated scene coefficient Hxs is lower than a corresponding condition threshold value, a control unit (30) forms a control instruction, a lighting device is started to light a safety area, a detection unit (10) is used for identifying whether a stranger exists in the safety area, when the stranger does not exist in the safety area, a Bluetooth module of a second control end is started, after the Bluetooth module of the second control end is successfully paired with Bluetooth equipment of the intelligent door lock, a first control end sends a specific indicator to the second control end, the specific indicator is played by the second control end, and after a voice recognition module of the intelligent door lock identifies the specific indicator, the intelligent door lock is turned to be opened by closing;
when the detection unit (10) recognizes that a stranger exists in the safety area, the data processing unit (20) respectively measures the distances between the second user and the stranger and the intelligent door lock, a distance ratio Lb is generated according to the ratio of the distances between the second user and the stranger, and when the distance ratio Lb is lower than a distance threshold value, the intelligent door lock only starts a face recognition module, and after the second user passes the face recognition, the second user turns to open from closing; when the distance ratio Lb is higher than the distance threshold value, acquiring the number of strangers in the safety area, and determining a stranger ratio Mb according to the ratio of the number of strangers to the second user;
summarizing the obtained distance ratio Lb and stranger ratio Mb, establishing a first safety index set, sending the first safety index set to a data processing unit (20), after the data processing unit (20) obtains the first safety index set, carrying out dimensionless processing on the distance ratio Lb and the stranger ratio Mb, evaluating and generating a first safety coefficient Ses,
the first safety factor Ses is generated according to the following formula:
wherein ,，/>and->，/>The specific value of the weight is set by the adjustment of the user;
after the first security coefficient Ses in the security area is obtained, selecting a corresponding unlocking strategy according to the relation between the security coefficient Ses and a first security threshold, wherein the specific strategy is as follows: when the first safety coefficient Ses is lower than a first safety threshold value, enabling the intelligent door lock to only enable the face recognition module, and turning the intelligent door lock from closed to open after the second user performs face recognition; when the safety coefficient Ses is higher than a first safety threshold, the first control end sends a dynamic password to the second control end, and the intelligent door lock is turned from closing to opening after the dynamic password is checked by the intelligent door lock in a preset time.
2. The intelligent door lock based on the intelligent door magnetic induction system according to claim 1, wherein: after a second user enters a room, identifying whether strangers exist in a safety area through a detection unit (10), if so, identifying the number of the strangers and generating a number Rs, acquiring the average distance between the strangers in the safety area and an intelligent door lock, generating a safety distance As, and recording the stay time Ts of the strangers in the safety area when the strangers exist in the safety area and the stay time of the strangers in the safety area exceeds a preset time threshold;
summarizing the number Rs, the safety distance As and the stay time Ts, establishing a second safety index set, and generating a second safety coefficient Tes according to the following formula after the second safety index set is sent to a data processing unit (20);
wherein alpha and beta are parameters of changeable constants,，/>the specific value of which is set by the user adjustment, +.>Is a constant correction coefficient.
3. The smart door lock based on the smart door magnetic induction system as claimed in claim 2, wherein: according to the relation between the second safety coefficient Tes and the second safety threshold, selecting a corresponding unlocking strategy, wherein the specific strategy is as follows: when the second safety coefficient Tes is lower than a second safety threshold value, a control command is formed by the control unit (30), so that the alarm unit (50) sends alarm information to a second user in the room, and the lighting device is started to illuminate the safety area; when the second safety coefficient Tes is higher than a second safety threshold, the intelligent door lock is enabled to only enable the face recognition module and the fingerprint recognition module, and the intelligent door lock is turned from closed to open after strangers pass face recognition and fingerprint recognition in sequence.
4. A smart door lock based on a smart door magnetic induction system as claimed in claim 3, wherein: after the Bluetooth module of the second control end is paired with the Bluetooth equipment of the intelligent door lock, if a second user holding the second control end is a stranger, after the identification module of the intelligent door lock identifies a specific indicator played by the second control end, the prompt module of the intelligent door lock guides the stranger holding the second control end to carry out face identification;
the recognition module collects the facial image of the stranger, sends the facial image to the first control end, when the first control end confirms the holder of the second control end as the stranger, if no person exists indoors, the control unit (30) forms a control instruction, the alarm unit (50) sends alarm information to the first control end, and the standby locking unit (40) locks and reinforces the intelligent door of the user indoors.
5. The intelligent door lock based on the intelligent door magnetic induction system of claim 4, wherein: when people exist indoors, after the alarm unit (50) sends out alarm information, if strangers with a second control end outside the door stay in the safety area, the detection unit (10) recognizes the number Rs of the strangers in the safety area again, the safety distance As and the stay time Ts, a second safety index set is built again, and a second safety coefficient Tes is generated again;
the detection unit (10) acquires the attempt number Cs of the stranger attempting to unlock the lock, the detection unit (10) identifies the number of people in the room, the indoor person ratio Sn is generated according to the ratio of the number of people in the room to the number of people in the room, the data processing unit (20) acquires the attempt number Cs and the indoor person ratio Sn, dimensionless processing is carried out, and a third safety coefficient Fes is generated according to the following formula:
wherein, the meaning and the taking of the parametersThe values are:，/>，/>for the weight, its specific value is set by the user adjustment, +.>Is a constant correction coefficient.
6. The intelligent door lock based on the intelligent door magnetic induction system according to claim 5, wherein: when the second safety coefficient Tes and the third safety coefficient Fes are higher than the corresponding threshold values, a control command is formed by the control unit (30), so that the alarm unit (50) sends alarm information indoors and the lighting device is started to light the safety area; when at least one of the second safety coefficient Tes and the third safety coefficient Fes is lower than the corresponding safety threshold value, acquiring the second safety coefficient Tes and the third safety coefficient Fes, and generating a comprehensive safety coefficient Zls according to the following mode:
continuously acquiring a plurality of second safety coefficients Tes and third safety coefficients Fes at fixed time intervals along the extending direction of the time axis, and recording the two safety coefficients Tes and the third safety coefficients Fes as respectively、/>Up to->、/> and />、/>Up to->；
wherein ,and->，/>The specific value is set by the user;
wherein ,is the sliding mean value of the second safety factor Tes, < >>Is the sliding average value of the third safety coefficient Fes.
7. The intelligent door lock based on the intelligent door magnetic induction system of claim 6, wherein: when the comprehensive safety coefficient Zls is higher than the comprehensive safety threshold, a control command is formed by the control unit (30), so that the alarm unit (50) sends alarm information to indoor users, and the standby locking unit (40) locks and reinforces the indoor intelligent door; when the comprehensive safety coefficient Zls is lower than the comprehensive safety threshold, a control instruction is formed by the control unit (30), so that the alarm unit (50) sends alarm information to indoor users, the standby locking unit (40) locks and reinforces the indoor intelligent door lock and closes the unlocking function of the intelligent door lock until no stranger exists in the safety area, and the unlocking function of the intelligent door lock is restored.
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