CN111402461A - A voiceprint-based smart door lock system - Google Patents

A voiceprint-based smart door lock system Download PDF

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Publication number
CN111402461A
CN111402461A CN202010179003.1A CN202010179003A CN111402461A CN 111402461 A CN111402461 A CN 111402461A CN 202010179003 A CN202010179003 A CN 202010179003A CN 111402461 A CN111402461 A CN 111402461A
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module
voiceprint
receiving
user
voice signal
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林明儒
颜国林
连顺金
张清忠
王燕红
戴宝燕
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Liming Vocational University
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Liming Vocational University
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    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00563Electronically 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
    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME 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
    • G07C9/00Individual registration on entry or exit
    • G07C9/00174Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00182Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Lock And Its Accessories (AREA)

Abstract

The invention discloses an intelligent door lock system based on voiceprints, which comprises: the voiceprint receiving and processing module is used for receiving the sound and carrying out noise filtering and feature extraction on the sound; the storage module is used for storing the voice signal of the user in advance and storing the voice signal received and processed by the voiceprint receiving and processing module; the calling module is used for calling the voice signal of the user stored in the storage module in advance and matching the voice signal received and processed by the voiceprint receiving and processing module through the comparison module; the fingerprint identification module and the password input module are respectively used for controlling the unlocking of the electric lock through fingerprints or digital passwords after the voice of a user does not pass through the matching smoothly; the invention saves more electric energy, can avoid noise interference and is beneficial to accurately extracting the vocal print characteristics; when the electric lock is not unlocked through the voiceprint matching, the fingerprint identification module and the password input module, the functions of alarming and video monitoring can be achieved, and the safety is improved.

Description

一种基于声纹的智能门锁系统A voiceprint-based smart door lock system

技术领域technical field

本发明涉及智能门锁系统技术领域,具体为一种基于声纹的智能门锁系统。The invention relates to the technical field of intelligent door lock systems, in particular to a voiceprint-based intelligent door lock system.

背景技术Background technique

智能门锁系统以其方便、高效的特点,深受人们的喜爱,但现有的声纹智能门锁系统对声纹的特征提取很容易被杂音干扰,使得不能准确提取声纹特征,其在声纹匹配异常后,无法进行门锁开启,也无法将该声纹特征进行重新录入,使用不方便,安全性较低,为此,我们推出一种基于声纹的智能门锁系统。The intelligent door lock system is deeply loved by people because of its convenience and high efficiency. However, the feature extraction of the voiceprint by the existing voiceprint intelligent door lock system is easily disturbed by noise, which makes it impossible to accurately extract the voiceprint features. After the voiceprint matching is abnormal, the door lock cannot be opened, and the voiceprint feature cannot be re-entered, which is inconvenient to use and has low security. For this reason, we have launched a voiceprint-based smart door lock system.

发明内容SUMMARY OF THE INVENTION

本发明的目的在于提供一种基于声纹的智能门锁系统,以解决上述背景技术中提出的问题。The purpose of the present invention is to provide a voiceprint-based smart door lock system to solve the above-mentioned problems in the background art.

为实现上述目的,本发明提供如下技术方案:一种基于声纹的智能门锁系统,包括:To achieve the above object, the present invention provides the following technical solutions: a voiceprint-based intelligent door lock system, comprising:

声纹接收处理模块,其用于接收声音并对声音进行杂音过滤和特征提取;A voiceprint receiving and processing module, which is used to receive sound and perform noise filtering and feature extraction on the sound;

存储模块,其用于预先存储使用者的声音信号并将声纹接收处理模块接收处理后的声音信号进行存储;a storage module, which is used to pre-store the user's voice signal and store the processed voice signal received by the voiceprint receiving and processing module;

调取模块,其用于调取存储模块中预先存储使用者的声音信号,并通过对比模块与声纹接收处理模块接收处理后的声音信号进行匹配;a retrieval module, which is used for retrieving the pre-stored user's voice signal in the storage module, and matches the voice signal received and processed by the comparison module and the voiceprint receiving and processing module;

指纹识别模块和密码输入模块分别用于在使用者声音未顺利通过匹配后,通过指纹或者数字密码控制电锁开启;The fingerprint identification module and the password input module are respectively used to control the electric lock to open through the fingerprint or digital password after the user's voice fails to be successfully matched;

红外线感应模块,其用于感应使用者靠近门锁,此时通过中央处理器控制供电模块给存储模块、电锁、密码输入模块、指纹识别模块、警报模块、调取模块、高速球摄像机、声纹接收处理模块和对比模块提供电能。The infrared sensor module is used to sense the user's approach to the door lock. At this time, the central processing unit controls the power supply module to the storage module, electric lock, password input module, fingerprint recognition module, alarm module, retrieval module, high-speed dome camera, sound The pattern receiving and processing module and the comparison module provide power.

作为本技术方案的进一步优化,所述声纹接收处理模块包括声音接收单元、杂音过滤单元和特征提取单元。As a further optimization of this technical solution, the voiceprint receiving and processing module includes a sound receiving unit, a noise filtering unit and a feature extraction unit.

作为本技术方案的进一步优化,所述声音接收单元用于接收声音,所述杂音过滤单元用于对声音接收单元接收的声音信号中的杂音进行过滤,所述特征提取单元用于提取声音的特征。As a further optimization of this technical solution, the sound receiving unit is used to receive sound, the noise filtering unit is used to filter the noise in the sound signal received by the sound receiving unit, and the feature extraction unit is used to extract features of the sound .

作为本技术方案的进一步优化,所述中央处理器还通过无线通信模块信号连接有智能终端,在使用者声音未经过匹配后,且通过指纹或者数字密码也未能使得指纹识别模块和密码输入模块控制电锁开启时,中央处理器控制高速球摄像机对该使用者进行拍摄的实时视频显示在所述智能终端上。As a further optimization of this technical solution, the central processing unit is also connected to an intelligent terminal through a wireless communication module signal. After the user's voice has not been matched, and the fingerprint identification module and the password input module cannot be made through fingerprints or digital passwords When the electric lock is controlled to open, the central processor controls the high-speed dome camera to shoot the real-time video of the user and displays it on the intelligent terminal.

作为本技术方案的进一步优化,所述警报模块用于在使用者声音未经过匹配后,且通过指纹或者数字密码也未能使得指纹识别模块和密码输入模块控制电锁开启时进行发生警报。As a further optimization of this technical solution, the alarm module is used to generate an alarm when the user's voice has not been matched, and the fingerprint identification module and the password input module cannot control the electric lock to open through the fingerprint or digital password.

作为本技术方案的进一步优化,当通过声纹接收处理模块接收的使用者的声音信号未能与存储模块中预先存储使用者的声音信号匹配,但是该使用者通过指纹识别模块和密码输入模块输入指纹和数字密码成功使得电锁开启时,存储模块将通过声纹接收处理模块接收的使用者的声音信号进行存储。As a further optimization of this technical solution, when the user's voice signal received through the voiceprint receiving and processing module fails to match the user's voice signal pre-stored in the storage module, but the user inputs the user's voice signal through the fingerprint identification module and the password input module When the fingerprint and the digital password successfully open the electric lock, the storage module will store the user's voice signal received by the voiceprint receiving and processing module.

与现有技术相比,本发明的有益效果是:本发明当使用者靠近门锁时,通过红外线感应模块感应,然后通过中央处理器控制供电模块给存储模块、电锁、密码输入模块、指纹识别模块、警报模块、调取模块、高速球摄像机、声纹接收处理模块和对比模块提供电能,使其处于待机状态,这样可以避免存储模块、电锁、密码输入模块、指纹识别模块、警报模块、调取模块、高速球摄像机、声纹接收处理模块和对比模块一直处于待机状态中,节约电能;Compared with the prior art, the beneficial effects of the present invention are: when the user approaches the door lock, the infrared sensing module senses, and then the central processing unit controls the power supply module to supply the storage module, the electric lock, the password input module, and the fingerprint. The identification module, the alarm module, the retrieval module, the high-speed dome camera, the voiceprint receiving and processing module and the comparison module provide power to make it in a standby state, which can avoid the storage module, electric lock, password input module, fingerprint identification module, and alarm module. , the retrieval module, the high-speed dome camera, the voiceprint receiving and processing module and the comparison module have been in the standby state to save power;

随后使用者发声,通过声音接收单元接收声音,杂音过滤单元用于对声音接收单元接收的声音信号中的杂音进行过滤,再通过特征提取单元用于提取声音的特征,这样可避免杂音干扰,有利于对声纹特征的准确提取;Then the user makes a sound and receives the sound through the sound receiving unit. The noise filtering unit is used to filter the noise in the sound signal received by the sound receiving unit, and then the feature extraction unit is used to extract the characteristics of the sound, which can avoid noise interference. It is conducive to the accurate extraction of voiceprint features;

此时,通过调取模块调取存储模块中预先存储使用者的声音信号,并通过对比模块与声纹接收处理模块接收处理后的声音信号进行匹配;At this time, the pre-stored user's voice signal in the storage module is retrieved through the retrieval module, and the processed voice signal is received and matched by the comparison module and the voiceprint receiving and processing module;

匹配成功后,电锁自动开启,匹配失败后,使用者可通过指纹识别模块和密码输入模块分别输入指纹和数字密码,使得电锁开启,此时存储模块将通过声纹接收处理模块接收的使用者的声音信号进行存储,便于该使用者下次顺利通过声纹匹配;After the matching is successful, the electric lock will be automatically opened. After the matching fails, the user can input the fingerprint and the digital password through the fingerprint identification module and the password input module respectively, so that the electric lock will be opened. The user's voice signal is stored, so that the user can successfully pass the voiceprint matching next time;

当通过声纹接收处理模块接收的使用者的声音信号未能与存储模块中预先存储使用者的声音信号匹配,且该使用者通过指纹识别模块和密码输入模块输入指纹和数字密码也未能成功开启电锁时,警报模块发生警报,同时中央处理器控制高速球摄像机对该使用者进行拍摄的实时视频显示在所述智能终端上,这样有利于进行警报和视频监控,提高安全性。When the user's voice signal received through the voiceprint receiving and processing module fails to match the user's voice signal pre-stored in the storage module, and the user fails to input fingerprint and digital password through the fingerprint identification module and the password input module When the electric lock is opened, the alarm module generates an alarm, and at the same time, the central processor controls the high-speed dome camera to display the real-time video of the user on the intelligent terminal, which facilitates alarming and video monitoring and improves security.

附图说明Description of drawings

图1为本发明一种基于声纹的智能门锁系统的示意图;1 is a schematic diagram of a voiceprint-based smart door lock system of the present invention;

图2为本发明的声纹接收处理模块示意图。FIG. 2 is a schematic diagram of a voiceprint receiving and processing module of the present invention.

图中:1存储模块、2红外线感应模块、3中央处理器、4供电模块、5调取模块、6电锁、7密码输入模块、8指纹识别模块、9智能终端、10无线通信模块、11警报模块、12高速球摄像机、13声纹接收处理模块、14对比模块、15杂音过滤单元、16特征提取单元、17声音接收单元。In the picture: 1 storage module, 2 infrared sensor module, 3 central processing unit, 4 power supply module, 5 retrieval module, 6 electric lock, 7 password input module, 8 fingerprint recognition module, 9 intelligent terminal, 10 wireless communication module, 11 Alarm module, 12 high-speed dome cameras, 13 voiceprint receiving and processing modules, 14 comparison modules, 15 noise filtering units, 16 feature extraction units, 17 sound receiving units.

具体实施方式Detailed ways

下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。The technical solutions in 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. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

请参阅图1-2,本发明提供一种技术方案:一种基于声纹的智能门锁系统,包括:1-2, the present invention provides a technical solution: a voiceprint-based smart door lock system, including:

声纹接收处理模块13,其用于接收声音并对声音进行杂音过滤和特征提取;Voiceprint receiving and processing module 13, which is used for receiving sound and performing noise filtering and feature extraction on the sound;

存储模块1,其用于预先存储使用者的声音信号并将声纹接收处理模块13接收处理后的声音信号进行存储;The storage module 1 is used to store the user's voice signal in advance and store the processed voice signal received by the voiceprint receiving and processing module 13;

调取模块5,其用于调取存储模块1中预先存储使用者的声音信号,并通过对比模块14与声纹接收处理模块13接收处理后的声音信号进行匹配;The retrieval module 5 is used to retrieve the pre-stored user's voice signal in the storage module 1, and receive and process the voice signal through the comparison module 14 and the voiceprint receiving and processing module 13 for matching;

指纹识别模块8和密码输入模块7分别用于在使用者声音未顺利通过匹配后,通过指纹或者数字密码控制电锁6开启;The fingerprint identification module 8 and the password input module 7 are respectively used to control the electric lock 6 to open through a fingerprint or a digital password after the user's voice fails to be successfully matched;

红外线感应模块2,其用于感应使用者靠近门锁,此时通过中央处理器3控制供电模块4给存储模块1、电锁6、密码输入模块7、指纹识别模块8、警报模块11、调取模块5、高速球摄像机12、声纹接收处理模块13和对比模块14提供电能。The infrared sensor module 2 is used to sense the user approaching the door lock. At this time, the central processing unit 3 controls the power supply module 4 to supply the storage module 1, the electric lock 6, the password input module 7, the fingerprint recognition module 8, the alarm module 11, the adjustment The acquisition module 5 , the high-speed dome camera 12 , the voiceprint receiving and processing module 13 and the comparison module 14 provide power.

具体的,所述声纹接收处理模块13包括声音接收单元17、杂音过滤单元15和特征提取单元16。Specifically, the voiceprint receiving and processing module 13 includes a voice receiving unit 17 , a noise filtering unit 15 and a feature extracting unit 16 .

具体的,所述声音接收单元17用于接收声音,所述杂音过滤单元15用于对声音接收单元17接收的声音信号中的杂音进行过滤,所述特征提取单元16用于提取声音的特征。Specifically, the sound receiving unit 17 is used to receive sound, the noise filtering unit 15 is used to filter the noise in the sound signal received by the sound receiving unit 17 , and the feature extraction unit 16 is used to extract the features of the sound.

具体的,所述中央处理器3还通过无线通信模块10信号连接有智能终端9,在使用者声音未经过匹配后,且通过指纹或者数字密码也未能使得指纹识别模块8和密码输入模块7控制电锁6开启时,中央处理器3控制高速球摄像机12对该使用者进行拍摄的实时视频显示在所述智能终端9上。Specifically, the central processing unit 3 is also connected to the smart terminal 9 through the wireless communication module 10. After the user's voice has not been matched, and the fingerprint identification module 8 and the password input module 7 cannot be made through fingerprints or digital passwords When the electric lock 6 is controlled to open, the central processing unit 3 controls the high-speed dome camera 12 to display the real-time video of the user on the intelligent terminal 9 .

具体的,所述警报模块11用于在使用者声音未经过匹配后,且通过指纹或者数字密码也未能使得指纹识别模块8和密码输入模块7控制电锁6开启时进行发生警报。Specifically, the alarm module 11 is used to generate an alarm when the user's voice has not been matched, and the fingerprint identification module 8 and the password input module 7 cannot control the electric lock 6 to open through the fingerprint or digital password.

具体的,当通过声纹接收处理模块13接收的使用者的声音信号未能与存储模块1中预先存储使用者的声音信号匹配,但是该使用者通过指纹识别模块8和密码输入模块7输入指纹和数字密码成功使得电锁6开启时,存储模块1将通过声纹接收处理模块13接收的使用者的声音信号进行存储。Specifically, when the user's voice signal received through the voiceprint receiving and processing module 13 fails to match the user's voice signal pre-stored in the storage module 1, but the user inputs a fingerprint through the fingerprint identification module 8 and the password input module 7 When the electric lock 6 is successfully opened with the digital password, the storage module 1 stores the user's voice signal received by the voiceprint receiving and processing module 13 .

工作原理:当使用者靠近门锁时,通过红外线感应模块2感应,然后通过中央处理器3控制供电模块4给存储模块1、电锁6、密码输入模块7、指纹识别模块8、警报模块11、调取模块5、高速球摄像机12、声纹接收处理模块13和对比模块14提供电能,使其处于待机状态,这样可以避免存储模块1、电锁6、密码输入模块7、指纹识别模块8、警报模块11、调取模块5、高速球摄像机12、声纹接收处理模块13和对比模块14一直处于待机状态中,节约电能;Working principle: When the user approaches the door lock, the infrared sensor module 2 senses it, and then the central processing unit 3 controls the power supply module 4 to the storage module 1, the electric lock 6, the password input module 7, the fingerprint recognition module 8, and the alarm module 11. , the retrieval module 5, the high-speed dome camera 12, the voiceprint receiving and processing module 13 and the comparison module 14 provide power to make it in a standby state, which can avoid the storage module 1, the electric lock 6, the password input module 7, and the fingerprint identification module 8. , the alarm module 11, the retrieval module 5, the high-speed dome camera 12, the voiceprint receiving and processing module 13 and the comparison module 14 are always in a standby state to save power;

随后使用者发声,通过声音接收单元17接收声音,杂音过滤单元15用于对声音接收单元17接收的声音信号中的杂音进行过滤,再通过特征提取单元16用于提取声音的特征,这样可避免杂音干扰,有利于对声纹特征的准确提取;Then the user makes a sound, and the sound is received by the sound receiving unit 17. The noise filtering unit 15 is used to filter the noise in the sound signal received by the sound receiving unit 17, and then the feature extraction unit 16 is used to extract the characteristics of the sound, which can avoid Noise interference, which is conducive to the accurate extraction of voiceprint features;

此时,通过调取模块5调取存储模块1中预先存储使用者的声音信号,并通过对比模块14与声纹接收处理模块13接收处理后的声音信号进行匹配;At this time, the pre-stored user's voice signal in the storage module 1 is retrieved through the retrieval module 5, and the processed voice signal is received and matched by the comparison module 14 and the voiceprint receiving and processing module 13;

匹配成功后,电锁6自动开启,匹配失败后,使用者可通过指纹识别模块8和密码输入模块7分别输入指纹和数字密码,使得电锁6开启,此时存储模块1将通过声纹接收处理模块13接收的使用者的声音信号进行存储,便于该使用者下次顺利通过声纹匹配;After the matching is successful, the electric lock 6 is automatically opened. After the matching fails, the user can input a fingerprint and a digital password through the fingerprint identification module 8 and the password input module 7 respectively, so that the electric lock 6 is opened. At this time, the storage module 1 will receive through the voiceprint. The user's voice signal received by the processing module 13 is stored, so that the user can successfully pass the voiceprint matching next time;

当通过声纹接收处理模块13接收的使用者的声音信号未能与存储模块1中预先存储使用者的声音信号匹配,且该使用者通过指纹识别模块8和密码输入模块7输入指纹和数字密码也未能成功开启电锁6时,警报模块11发生警报,同时中央处理器3控制高速球摄像机12对该使用者进行拍摄的实时视频显示在所述智能终端9上,这样有利于进行警报和视频监控,提高安全性。When the user's voice signal received by the voiceprint receiving and processing module 13 fails to match the user's voice signal pre-stored in the storage module 1, and the user inputs a fingerprint and a digital password through the fingerprint identification module 8 and the password input module 7 When the electric lock 6 is also unsuccessfully opened, the alarm module 11 generates an alarm, and the central processing unit 3 controls the high-speed dome camera 12 to shoot the real-time video of the user and displays it on the intelligent terminal 9, which is conducive to the alarm and the alarm. Video surveillance for increased security.

尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1.一种基于声纹的智能门锁系统,其特征在于,包括:1. an intelligent door lock system based on voiceprint, is characterized in that, comprises: 声纹接收处理模块(13),其用于接收声音并对声音进行杂音过滤和特征提取;A voiceprint receiving and processing module (13), which is used for receiving sound and performing noise filtering and feature extraction on the sound; 存储模块(1),其用于预先存储使用者的声音信号并将声纹接收处理模块(13)接收处理后的声音信号进行存储;a storage module (1), which is used for pre-storing the voice signal of the user and storing the voice signal after receiving and processing by the voiceprint receiving and processing module (13); 调取模块(5),其用于调取存储模块(1)中预先存储使用者的声音信号,并通过对比模块(14)与声纹接收处理模块(13)接收处理后的声音信号进行匹配;A retrieval module (5), which is used for retrieving the pre-stored user's voice signal in the storage module (1), and receives the processed voice signal through the comparison module (14) and the voiceprint receiving and processing module (13) for matching ; 指纹识别模块(8)和密码输入模块(7)分别用于在使用者声音未顺利通过匹配后,通过指纹或者数字密码控制电锁(6)开启;The fingerprint identification module (8) and the password input module (7) are respectively used to control the opening of the electric lock (6) through a fingerprint or a digital password after the user's voice fails to be successfully matched; 红外线感应模块(2),其用于感应使用者靠近门锁,此时通过中央处理器(3)控制供电模块(4)给存储模块(1)、电锁(6)、密码输入模块(7)、指纹识别模块(8)、警报模块(11)、调取模块(5)、高速球摄像机(12)、声纹接收处理模块(13)和对比模块(14)提供电能。The infrared sensing module (2) is used for sensing the user's approach to the door lock, and at this time, the central processing unit (3) controls the power supply module (4) to the storage module (1), the electric lock (6), and the password input module (7). ), a fingerprint identification module (8), an alarm module (11), a retrieval module (5), a high-speed dome camera (12), a voiceprint receiving and processing module (13) and a comparison module (14) to provide power. 2.根据权利要求1所述的一种基于声纹的智能门锁系统,其特征在于:所述声纹接收处理模块(13)包括声音接收单元(17)、杂音过滤单元(15)和特征提取单元(16)。2. A voiceprint-based smart door lock system according to claim 1, wherein the voiceprint receiving and processing module (13) comprises a sound receiving unit (17), a noise filtering unit (15) and a characteristic Extraction unit (16). 3.根据权利要求2所述的一种基于声纹的智能门锁系统,其特征在于:所述声音接收单元(17)用于接收声音,所述杂音过滤单元(15)用于对声音接收单元(17)接收的声音信号中的杂音进行过滤,所述特征提取单元(16)用于提取声音的特征。3. A voiceprint-based smart door lock system according to claim 2, wherein the sound receiving unit (17) is used for receiving sound, and the noise filtering unit (15) is used for receiving sound The noise in the sound signal received by the unit (17) is filtered, and the feature extraction unit (16) is used for extracting the features of the sound. 4.根据权利要求1所述的一种基于声纹的智能门锁系统,其特征在于:所述中央处理器(3)还通过无线通信模块(10)信号连接有智能终端(9),在使用者声音未经过匹配后,且通过指纹或者数字密码也未能使得指纹识别模块(8)和密码输入模块(7)控制电锁(6)开启时,中央处理器(3)控制高速球摄像机(12)对该使用者进行拍摄的实时视频显示在所述智能终端(9)上。4. a kind of intelligent door lock system based on voiceprint according to claim 1, is characterized in that: described central processing unit (3) is also connected with intelligent terminal (9) through wireless communication module (10) signal, in After the user's voice has not been matched, and the fingerprint identification module (8) and the password input module (7) cannot control the electric lock (6) to open through the fingerprint or digital password, the central processing unit (3) controls the high-speed dome camera. (12) The real-time video captured by the user is displayed on the intelligent terminal (9). 5.根据权利要求1所述的一种基于声纹的智能门锁系统,其特征在于:所述警报模块(11)用于在使用者声音未经过匹配后,且通过指纹或者数字密码也未能使得指纹识别模块(8)和密码输入模块(7)控制电锁(6)开启时进行发生警报。5. A kind of intelligent door lock system based on voiceprint according to claim 1, is characterized in that: described alarm module (11) is used for after the user's voice has not been matched, and through fingerprint or digital password also not The fingerprint identification module (8) and the password input module (7) can control the electric lock (6) to open to generate an alarm. 6.根据权利要求1所述的一种基于声纹的智能门锁系统,其特征在于:当通过声纹接收处理模块(13)接收的使用者的声音信号未能与存储模块(1)中预先存储使用者的声音信号匹配,但是该使用者通过指纹识别模块(8)和密码输入模块(7)输入指纹和数字密码成功使得电锁(6)开启时,存储模块(1)将通过声纹接收处理模块(13)接收的使用者的声音信号进行存储。6. a kind of intelligent door lock system based on voiceprint according to claim 1, is characterized in that: when the voice signal of the user received by the voiceprint receiving processing module (13) fails to communicate with the storage module (1) The pre-stored user's voice signal matches, but when the user enters the fingerprint and the digital password through the fingerprint identification module (8) and the password input module (7) and successfully makes the electric lock (6) open, the storage module (1) will pass the voice signal. The voice signal of the user received by the pattern receiving and processing module (13) is stored.
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Application publication date: 20200710