CN111188536A - Anti-theft system and method for intelligent lock - Google Patents
Anti-theft system and method for intelligent lock Download PDFInfo
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- CN111188536A CN111188536A CN202010091412.6A CN202010091412A CN111188536A CN 111188536 A CN111188536 A CN 111188536A CN 202010091412 A CN202010091412 A CN 202010091412A CN 111188536 A CN111188536 A CN 111188536A
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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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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/20—Means independent of the locking mechanism for preventing unauthorised opening, e.g. for securing the bolt in the fastening position
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
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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
- E05B2045/065—Switch or sensor type used in alarm locks
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Burglar Alarm Systems (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses an anti-theft system and method for an intelligent lock, wherein the system comprises: a first electronic locking module; a sound collection module; a power supply module; an analog signal processing module; the threshold judging module is used for judging whether the analog sound signal processed by the analog signal processing module exceeds a preset value or not; an ADC module; the digital signal processing module is used for filtering the digital sound signal; a signal database; the digital signal analysis module is used for comparing the digital sound signal with the normal sound signal stored in the signal database to judge whether the digital sound signal is abnormal or not; and the wireless transceiving module is used for sending alarm information to the background server when the digital sound signal is abnormal. The anti-theft system and the anti-theft method for the intelligent lock have the beneficial effects that the anti-theft system and the anti-theft method for the intelligent lock collect the sound around the door body, judge whether the sound is abnormal or not when the sound reaches a preset value, and send alarm information to the background server through the wireless transceiver module when the sound is abnormal.
Description
Technical Field
The invention relates to an anti-theft system and an anti-theft method for an intelligent lock.
Background
The existing method for detecting the anti-disassembly alarm of the intelligent door lock is to directly weld a key type microswitch on a circuit board of the intelligent lock, wherein the key of the microswitch is in a compressed state in a normal state, and when a door body is pried to cause the deformation of the door body, the key of the key type microswitch is restored to a non-compressed state so as to generate an alarm signal.
The key-type microswitch has the defects that the compression stroke of a key is very small, and the phenomenon that the key cannot be effectively pressed by a door plate after an intelligent lock is installed can occur when the flatness of the door plate plane of a door body is poor, so that the phenomenon of false alarm of a disassembly-preventing alarm detection mechanism occurs, and the intelligent lock is installed more difficultly. In addition, when the intelligent lock is installed on the door plate, the key and the PCB are in a pressing state for a long time, and certain hidden danger is brought to the stability of the PCB. The other problem is that the key-type microswitch with the matching height cannot be found in a plurality of installation spaces under the influence of the installation space between the door panel installation plane and the intelligent lock PCB, which brings a plurality of troubles to the design of the anti-dismantling alarm detection mechanism.
Disclosure of Invention
The invention provides an anti-theft system and method for an intelligent lock, which adopts the following technical scheme:
an anti-theft system for a smart lock, comprising:
the first electronic locking module is used for locking and unlocking the door body;
the sound acquisition module is used for acquiring sound near the door body and converting the sound into an analog sound signal;
the analog signal processing module is used for amplifying and filtering the analog sound signal;
the threshold judging module is used for judging whether the analog sound signal processed by the analog signal processing module exceeds a preset value or not;
the ADC module is used for converting the analog sound signal into a digital sound signal when the analog sound signal exceeds a preset value;
the digital signal processing module is used for filtering the digital sound signal;
a signal database for storing normal sound signals;
the digital signal analysis module is used for comparing the digital sound signal with the normal sound signal stored in the signal database to judge whether the digital sound signal is abnormal or not;
the wireless receiving and transmitting module is used for sending alarm information to the background server when the digital sound signal is abnormal;
and the power supply module is used for being in point connection with the first electronic locking module, the sound acquisition module, the analog signal processing module, the threshold judgment module, the ADC module, the digital signal processing module, the signal database, the digital signal analysis module and the wireless transceiving module so as to provide power.
Further, the anti-theft system for the intelligent lock further comprises:
the lighting module is used for lighting the outer side of the door body;
the image acquisition module is used for acquiring image information on the outer side of the door body;
the lighting module and the image acquisition module are electrically connected to the power supply module;
the lighting module is started to light the outer side of the door body when the digital sound signal is abnormal;
the image acquisition module acquires image information when the illumination module starts illumination;
the alarm information contains image information.
Further, the background server is further configured to send notification information to the authorized user after receiving the alarm information, where the notification information includes image information.
Further, the anti-theft system for the intelligent lock further comprises:
the second electronic locking module is used for locking and unlocking the door body;
the background server sends locking information to the wireless transceiving module after receiving the alarm information;
and the second electronic locking module locks the door body after the wireless transceiving module receives the locking information.
Further, the anti-theft system for the intelligent lock further comprises:
the voice warning module is used for playing warning voice information when the digital voice signal is abnormal;
the voice warning module is electrically connected to the power supply module.
An anti-theft method for an intelligent lock, comprising the following steps:
collecting the sound near the door body through a sound collection module and converting the sound into an analog sound signal;
amplifying and filtering the analog sound signal through an analog signal processing module;
judging whether the analog sound signal processed by the analog signal processing module exceeds a preset value or not through a threshold value judging module;
when the analog sound signal exceeds a preset value, converting the analog sound signal into a digital sound signal through a threshold judgment module;
filtering the digital sound signal through a digital signal processing module;
comparing the digital sound signal with a normal sound signal stored in a signal database through a digital signal analysis module to judge whether the digital sound signal is abnormal or not;
and sending alarm information to the background server through the wireless transceiving module when the digital sound signal is abnormal.
Further, the specific method for sending the alarm information to the background server through the wireless transceiver module when the digital sound signal is abnormal is as follows:
starting the lighting module to light the outer side of the door body when the digital sound signal is abnormal;
acquiring image information of the outer side of the door body through an image acquisition module;
and sending alarm information to a background server through a wireless transceiver module, wherein the alarm information comprises image information.
Further, the anti-theft method for the intelligent lock further comprises the following steps:
and the background server sends notification information to the authorized user after receiving the alarm information, wherein the notification information comprises image information.
Further, the anti-theft method for the intelligent lock further comprises the following steps:
the locking information is sent to the wireless transceiving module through the background server;
and after the wireless transceiver module receives the locking information, the door body is locked through the second electronic locking module.
Further, the anti-theft method for the intelligent lock further comprises the following steps:
and when the digital sound signal is abnormal, the voice warning module plays warning voice information.
The anti-theft system and the anti-theft method for the intelligent lock have the beneficial effects that the anti-theft system and the anti-theft method for the intelligent lock collect the sound around the door body, judge whether the sound is abnormal or not when the sound reaches a preset value, and send alarm information to the background server through the wireless transceiver module when the sound is abnormal.
The anti-theft system and the anti-theft method for the intelligent lock have the advantages that the second electronic locking module which can only be controlled through the background server is arranged, and the background server sends locking information to control the second electronic locking module to lock the door body under the condition that illegal invasion exists.
Drawings
FIG. 1 is a schematic diagram of a smart lock verification system of the present invention;
FIG. 2 is a schematic diagram of the smart lock authentication method of the present invention;
the anti-theft system for the intelligent lock comprises an anti-theft system 100 for the intelligent lock, a first electronic locking module 1, a sound acquisition module 2, an analog signal processing module 3, a threshold value judging module 4, an ADC (analog to digital converter) module 5, a digital signal processing module 6, a signal database 7, a digital signal analysis module 8, a wireless transceiving module 9, a power supply module 10, an illumination module 11, an image acquisition module 12, a second electronic locking module 13 and a voice warning module 14.
Detailed Description
The invention is described in detail below with reference to the figures and the embodiments.
As shown in fig. 1, an anti-theft system 100 for a smart lock includes: the intelligent door lock comprises a first electronic locking module 1, a sound collection module 2, an analog signal processing module 3, a threshold judgment module 4, an ADC module 5, a digital signal processing module 6, a signal database 7, a digital signal analysis module 8, a wireless transceiving module 9 and a power supply module 10, wherein the modules are all arranged in a door body. The first electronic locking module 1, the sound collection module 2, the analog signal processing module 3, the threshold determination module 4, the ADC module 5, the digital signal processing module 6, the signal database 7, the digital signal analysis module 8, and the wireless transceiver module 9 are all electrically connected to the power module 10. Specifically, the first electronic locking module 1 is used for locking and unlocking a door body, and the first electronic locking module 1 can be automatically opened according to a control signal to unlock the door body. The sound collection module 2 is used for collecting sound near the door body and converting the sound into an analog sound signal, the sound collection module 2 can be a microphone, a microphone and other sound collection devices, and in the invention, the sound collection module 2 is a microphone. The analog signal processing module 3 is used for amplifying and filtering the analog sound signal acquired by the sound acquisition module 2. The threshold value judging module 4 is used for judging whether the analog sound signal processed by the analog signal processing module 3 exceeds a preset value. The ADC module 5 is configured to convert the analog sound signal into a digital sound signal when the analog sound signal exceeds a preset value. The anti-theft system 100 for the intelligent lock is in a low-power consumption sleep state at ordinary times, and only when the collected sound signal is larger than a certain threshold value, the ADC module 5 is awakened to work, and the threshold value can be set and adjusted according to actual conditions. The digital signal processing module 6 is configured to perform filtering processing on the converted digital sound signal. The signal database 7 is used to store normal sound signals that have been recorded into the signal database 7 at the time of shipment, including talk sounds, walking sounds, knock sounds, and the like. The digital signal analysis module 8 is used for comparing the digital sound signal with the normal sound signal stored in the signal database 7 to determine whether the digital sound signal is abnormal, and when the digital sound signal is analyzed by the digital signal analysis module 8 to be not the normal sounds such as talking sound, walking sound and knocking sound, the abnormal condition is indicated. The wireless transceiver module 9 sends alarm information to the background server when the digital sound signal is abnormal, and the background server is managed and monitored by the staff of the company producing the intelligent door. According to the anti-theft system 100 for the intelligent lock, the sound around the door body is collected, when the sound reaches a preset value, whether the sound is abnormal or not is judged, if the sound is abnormal, the behavior that lawless persons violently disassemble is indicated, and at the moment, the state is sent to the background server to warn.
As a preferred embodiment, the anti-theft system 100 for smart locks further comprises: an illumination module 11 and an image acquisition module 12.
Specifically, the illumination module 11 is used to illuminate the outside of the door body. The image acquisition module 12 is used for acquiring image information of the outer side of the door body. The illumination module 11 and the image capture module 12 are electrically connected to the power module 10. The lighting module 11 is activated to illuminate the outside of the door body when the digital sound signal is abnormal. The image capture module 12 captures image information when the illumination module 11 starts illumination. The alarm information sent to the background server by the wireless transceiver module 9 contains the image information collected by the image collection module 12. And the background server sends notification information to the authorized user after receiving the alarm information, wherein the notification information also comprises the image information. It can be understood that when it is determined through sound comparison that there is a possibility of an illegal intrusion behavior, the current real-time status needs to be sent to a background server for further determination by background personnel.
As a preferred embodiment, the anti-theft system 100 for smart locks further comprises: a second electronic locking module 13.
It can be understood that the second electronic locking module 13 is used for locking and unlocking the door body, and the second electronic locking module 13 can only perform locking and unlocking operations through a background server of a company of the smart door. Specifically, after receiving the alarm information, the backend server may determine whether an illegal unlocking behavior such as a violent disassembly is occurring according to the alarm information, and when it is determined that the illegal unlocking behavior occurs, the backend server sends the locking information to the wireless transceiver module 9. And the second electronic locking module 13 locks the door body after the wireless transceiver module 9 receives the locking information. The second electronic locking module 13 cannot be unlocked in conventional manners such as face recognition, fingerprint recognition and password verification, the second electronic locking module 13 can be unlocked only by sending a corresponding unlocking instruction through the background server, and after the second electronic locking module 13 is locked, a householder can remotely unlock the second electronic locking module by contacting background management personnel. The second electronic locking module 13 further increases the difficulty of illegal molecules to break the intelligent lock.
As a preferred embodiment, the anti-theft system 100 for smart locks further comprises: and a voice warning module 14.
Specifically, the voice warning module 14 is configured to play the warning voice message when the digital sound signal is abnormal. The voice warning module 14 is electrically connected to the power module 10. When the digital signal analysis module 8 analyzes that the digital sound signal is abnormal, the voice warning module 14 plays preset warning voice information to warn the illegal person who is performing illegal intrusion.
As shown in fig. 2, the present invention also discloses an anti-theft method for a smart lock, which is applied to the anti-theft system 100 for a smart lock, and includes the following steps:
s1: the sound near the door body is collected by the sound collection module 2 and converted into an analog sound signal. Specifically, an analog sound signal near the door body is collected by a microphone.
S2: the analog sound signal is amplified and filtered by the analog signal processing module 3.
S3: whether the analog sound signal processed by the analog signal processing module 3 exceeds a preset value is judged by the threshold judgment module 4.
S4: when the analog sound signal exceeds the preset value, the analog sound signal is converted into a digital sound signal through the threshold value judging module 4.
S5: the digital sound signal is filtered by the digital signal processing module 6.
S6: the digital sound signal is compared with the normal sound signal stored in the signal database 7 by the digital signal analysis module 8 to determine whether the digital sound signal is abnormal.
S7: and when the digital sound signal is abnormal, the alarm information is sent to the background server through the wireless transceiving module 9.
As a preferred embodiment, the specific method for sending the alarm information to the background server through the wireless transceiver module 9 when the digital sound signal is abnormal includes: when the digital sound signal is abnormal, the lighting module 11 is started to light the outside of the door body. The image information of the outer side of the door body is acquired through the image acquisition module 12. And sending alarm information to a background server through a wireless transceiver module 9, wherein the alarm information contains image information.
It can be understood that when it is judged through sound comparison that there is a possibility of an illegal intrusion behavior, the current real-time status is sent to the background server for further judgment by background personnel.
As a preferred embodiment, the anti-theft method for the smart lock further includes: and the background server sends notification information to the authorized user after receiving the alarm information, wherein the notification information comprises image information.
The background server further determines whether an illegal intrusion behavior exists through the alarm information, and when the illegal intrusion behavior is determined to be occurring, the background server sends notification information to the authorized user, and the authorized user receives the notification information and then performs subsequent related operations, such as alarming. The authorized user refers to the owner or the like of the user.
As a preferred embodiment, the anti-theft method for the smart lock further includes: and sending locking information to the wireless transceiver module 9 through the background server. After the wireless transceiver module 9 receives the locking information, the door body is locked through the second electronic locking module 13.
The second electronic locking module 13 further increases the difficulty of illegal molecules to break the intelligent lock. Prevent illegal molecules from cracking the intelligent lock.
As a preferred embodiment, the anti-theft method for the smart lock further includes: when the digital sound signal is abnormal, the voice warning module 14 plays the warning voice message. The illegal molecules performing illegal activities can be warned through the pre-recorded warning voice information.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
Claims (10)
1. An anti-theft system for a smart lock, comprising:
the first electronic locking module is used for locking and unlocking the door body;
the sound acquisition module is used for acquiring sound near the door body and converting the sound into an analog sound signal;
the analog signal processing module is used for amplifying and filtering the analog sound signal;
the threshold value judging module is used for judging whether the analog sound signal processed by the analog signal processing module exceeds a preset value or not;
the ADC module is used for converting the analog sound signal into a digital sound signal when the analog sound signal exceeds a preset value;
the digital signal processing module is used for filtering the digital sound signal;
a signal database for storing normal sound signals;
a digital signal analysis module for comparing the digital sound signal with the normal sound signal stored in the signal database to determine whether the digital sound signal is abnormal;
the wireless receiving and transmitting module is used for sending alarm information to the background server when the digital sound signal is abnormal;
and the power supply module is used for being in point connection with the first electronic locking module, the sound acquisition module, the analog signal processing module, the threshold judgment module, the ADC module, the digital signal processing module, the signal database, the digital signal analysis module and the wireless transceiving module so as to provide power.
2. The anti-theft system for a smart lock of claim 1,
the anti-theft system for the intelligent lock further comprises:
the lighting module is used for lighting the outer side of the door body;
the image acquisition module is used for acquiring image information on the outer side of the door body;
the illumination module and the image acquisition module are electrically connected to the power supply module;
the lighting module is started to light the outer side of the door body when the digital sound signal is abnormal;
the image acquisition module acquires the image information when the illumination module starts illumination;
the alarm information contains the image information.
3. The anti-theft system for a smart lock of claim 2,
the background server is further used for sending notification information to an authorized user after receiving the alarm information, wherein the notification information comprises the image information.
4. The anti-theft system for a smart lock of claim 2,
the anti-theft system for the intelligent lock further comprises:
the second electronic locking module is used for locking and unlocking the door body;
the background server sends locking information to the wireless transceiving module after receiving the alarm information;
and the second electronic locking module locks the door body after the wireless transceiver module receives the locking information.
5. The anti-theft system for a smart lock of claim 2,
the anti-theft system for the intelligent lock further comprises:
the voice warning module is used for playing warning voice information when the digital sound signal is abnormal;
the voice warning module is electrically connected to the power supply module.
6. An anti-theft method for an intelligent lock is characterized by comprising the following steps:
collecting the sound near the door body through a sound collection module and converting the sound into an analog sound signal;
amplifying and filtering the analog sound signal through an analog signal processing module;
judging whether the analog sound signal processed by the analog signal processing module exceeds a preset value or not through a threshold value judging module;
converting the analog sound signal into a digital sound signal through a threshold determination module when the analog sound signal exceeds a preset value;
filtering the digital sound signal through a digital signal processing module;
comparing the digital sound signal with a normal sound signal stored in a signal database through a digital signal analysis module to judge whether the digital sound signal is abnormal or not;
and sending alarm information to a background server through a wireless transceiving module when the digital sound signal is abnormal.
7. The anti-theft method for smart lock according to claim 6,
the specific method for sending alarm information to the background server through the wireless transceiving module when the digital sound signal is abnormal comprises the following steps:
starting an illumination module to illuminate the outer side of the door body when the digital sound signal is abnormal;
acquiring image information of the outer side of the door body through an image acquisition module;
and sending the alarm information to the background server through the wireless transceiver module, wherein the alarm information contains the image information.
8. The anti-theft method for smart lock according to claim 7,
the anti-theft method for the intelligent lock further comprises the following steps:
and the background server sends notification information to an authorized user after receiving the alarm information, wherein the notification information comprises the image information.
9. The anti-theft method for smart lock according to claim 7,
the anti-theft method for the intelligent lock further comprises the following steps:
sending locking information to the wireless transceiver module through the background server;
and after the wireless transceiver module receives the locking information, the door body is locked through a second electronic locking module.
10. The anti-theft method for smart lock according to claim 7,
the anti-theft method for the intelligent lock further comprises the following steps:
and when the digital sound signal is abnormal, warning voice information is played through the voice warning module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010091412.6A CN111188536A (en) | 2020-02-13 | 2020-02-13 | Anti-theft system and method for intelligent lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010091412.6A CN111188536A (en) | 2020-02-13 | 2020-02-13 | Anti-theft system and method for intelligent lock |
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| CN111188536A true CN111188536A (en) | 2020-05-22 |
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| CN202010091412.6A Pending CN111188536A (en) | 2020-02-13 | 2020-02-13 | Anti-theft system and method for intelligent lock |
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| CN104900228A (en) * | 2015-04-30 | 2015-09-09 | 重庆理工大学 | Suspicious door opening sound identification apparatus and identification method |
| CN105184911A (en) * | 2015-07-16 | 2015-12-23 | 青岛文创科技有限公司 | Short message-based gating system with alarm function |
| CN106121376A (en) * | 2016-02-26 | 2016-11-16 | 安朗杰安防技术（中国）有限公司 | For monitoring the method for the sound of unblanking of lockset and corresponding lockset |
| CN108086800A (en) * | 2016-11-23 | 2018-05-29 | 徐克林 | A kind of Intelligent alarm lock |
| CN109779405A (en) * | 2018-12-29 | 2019-05-21 | 安徽中瑞通信科技股份有限公司 | A kind of wisdom door lock based on Internet of Things |
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2020
- 2020-02-13 CN CN202010091412.6A patent/CN111188536A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900228A (en) * | 2015-04-30 | 2015-09-09 | 重庆理工大学 | Suspicious door opening sound identification apparatus and identification method |
| CN105184911A (en) * | 2015-07-16 | 2015-12-23 | 青岛文创科技有限公司 | Short message-based gating system with alarm function |
| CN106121376A (en) * | 2016-02-26 | 2016-11-16 | 安朗杰安防技术（中国）有限公司 | For monitoring the method for the sound of unblanking of lockset and corresponding lockset |
| CN108086800A (en) * | 2016-11-23 | 2018-05-29 | 徐克林 | A kind of Intelligent alarm lock |
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Application publication date: 20200522 |