CN110670967A - Intelligent home security lock based on Internet of things technology - Google Patents

Intelligent home security lock based on Internet of things technology Download PDF

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Publication number
CN110670967A
CN110670967A CN201910956893.XA CN201910956893A CN110670967A CN 110670967 A CN110670967 A CN 110670967A CN 201910956893 A CN201910956893 A CN 201910956893A CN 110670967 A CN110670967 A CN 110670967A
Authority
CN
China
Prior art keywords
internet
intelligent home
things
home security
handle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201910956893.XA
Other languages
Chinese (zh)
Inventor
高超
张鑫
陈赟飞
郭盛荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing College of Electronic Engineering
Original Assignee
Chongqing College of Electronic Engineering
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing College of Electronic Engineering filed Critical Chongqing College of Electronic Engineering
Priority to CN201910956893.XA priority Critical patent/CN110670967A/en
Publication of CN110670967A publication Critical patent/CN110670967A/en
Withdrawn legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/02Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
    • A61L2/08Radiation
    • A61L2/10Ultra-violet radiation
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B1/00Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/0075Insulating, e.g. for limiting heat transfer; Increasing fire-resistance of locks
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/10Illuminating devices on or for locks or keys; Transparent or translucent lock parts; Indicator lights
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/14Closures or guards for keyholes
    • E05B17/18Closures or guards for keyholes shaped as lids or slides
    • E05B17/186Closures or guards for keyholes shaped as lids or slides sliding
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Abstract

The invention discloses an intelligent home security lock based on the technology of Internet of things, which can reduce dust attached to a password input keyboard on one hand and hide the password input keyboard on the other hand by arranging a lock cover, can prevent certain naughty children from pressing the password input keyboard in disorder when passing by, and can prevent lawless children from peeping a password combination to a certain extent by arranging the password input keyboard in an installation groove, and can prevent glare when sunlight is strong, thereby facilitating password input; in addition will fingerprint identification ware is installed on the handle for the user grips when using the fingerprint to open the door when the handle, the thumb can directly with fingerprint identification ware contact, convenient and fast more, the design of intelligent home security lock based on internet of things is more humanized.

Description

Intelligent home security lock based on Internet of things technology
Technical Field
The invention relates to the technical field of security, in particular to an intelligent home security lock based on the technology of the Internet of things.
Background
With the development of society and the progress of science and technology, more and more families use intelligent security lock to replace traditional lock, but current intelligent security lock is humanized inadequately.
Disclosure of Invention
The invention aims to provide an intelligent home security lock based on the Internet of things technology, and aims to solve the technical problem that the intelligent security lock in the prior art is not humanized enough.
In order to achieve the purpose, the intelligent home security lock based on the technology of the Internet of things comprises a lock body, a password input keyboard, a lock cover, a handle and a fingerprint recognizer, wherein the lock body is provided with an installation groove, the password input keyboard is fixedly connected with the lock body, and is positioned in the mounting groove, guide rails are arranged on two side walls of the mounting groove, the lock cover is connected with the lock body in a sliding way, the two side walls of the lock cover are respectively arranged inside the two guide rails, the handle is arranged in an arc structure and is fixedly connected with the lock body, and is positioned below the lock cover, and an opening formed between the handle and the lock body is upward, and the outer edge of the handle is of a cambered surface structure, and the fingerprint identifier is fixedly connected with the handle and positioned at one end, far away from the lock body, of the handle.
Wherein, the lower extreme of the outer surface wall of locking closure is provided with anti-skidding line.
The intelligent home security lock based on the internet of things technology further comprises a heating wire, wherein the heating wire is fixedly connected with the handle and is located inside the handle.
The intelligent home security lock based on the internet of things technology further comprises a heat insulation plate, the heat insulation plate is fixedly connected with the handle and located inside the handle, and the heating wire and the fingerprint identifier are separated by the heat insulation plate.
Wherein, intelligent home security lock based on internet of things still includes optical line sensors and illuminating part, optical line sensors with locking closure fixed connection, and be located the outside of locking closure, illuminating part with lock body fixed connection, and be located the inside wall of mounting groove, just illuminating part with optical line sensors electric connection.
The intelligent home security lock based on the Internet of things technology further comprises a bactericidal lamp, wherein the bactericidal lamp is fixedly connected with the lock body and is located on the inner side wall of the mounting groove.
The intelligent home security lock based on the internet of things technology further comprises a micro wide-angle camera, wherein the micro wide-angle camera is fixedly connected with the lock cover and is located outside the lock cover.
The intelligent home security lock based on the internet of things technology further comprises a code scanner, wherein the code scanner is fixedly connected with the lock cover and located below the micro wide-angle camera.
The intelligent home security lock based on the internet of things technology further comprises a key jack, wherein the key jack is arranged on the lock body and located below the handle.
The invention has the beneficial effects that: the password input keyboard is arranged in the mounting groove, when a password is needed to be used for opening the door, the lock cover can slide upwards along the guide rail to input the password, after the password input keyboard is used, the lock cover slides downwards along the guide rail to seal and shield the password input keyboard, through the arrangement of the lock cover, on one hand, dust can be reduced to be attached to the password input keyboard, on the other hand, the password input keyboard can be hidden, certain naughty children can be prevented from pressing the password input keyboard in a mess way when passing by the password input keyboard to a certain extent, the possibility of damage of the password input keyboard is reduced, meanwhile, the password input keyboard is arranged in the mounting groove, so that lawless persons can be prevented from peeping the password combination to a certain extent, glare can be prevented when sunlight is strong, and password input is facilitated, the design is more humanized, and convenience is brought to users; will in addition fingerprint identification ware is installed on hand for the user grips when using the fingerprint to open the door in the handle, the thumb can directly with fingerprint identification ware contact, more convenient and fast, in addition will the outward flange of handle all is the cambered surface structure setting, can make the area of space that the handle occupy is littleer, and also more light convenient when the user opens the door simultaneously, the design of intelligent home security lock based on internet of things is more humanized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an intelligent home security lock based on the internet of things technology and unlocked by using a password.
Fig. 2 is a schematic structural diagram of the intelligent home security lock unlocking using the password based on the internet of things technology.
Fig. 3 is a front view of the intelligent home security lock based on the internet of things technology.
100-intelligent home security lock based on internet of things technology, 10-lock body, 101-mounting groove, 102-guide rail, 103-key jack, 11-password input keyboard, 12-lock cover, 121-anti-skidding line, 13-handle, 131-heating wire, 14-fingerprint recognizer, 15-heat insulation board, 16-light sensor, 17-luminous element, 18-bactericidal lamp, 19-micro wide angle camera and 20-code scanner.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention provides an intelligent home security lock 100 based on internet of things technology, including a lock body 10, a password input keypad 11, a lock cover 12, a handle 13 and a fingerprint identifier 14, wherein the lock body 10 is provided with a mounting groove 101, the password input keypad 11 is fixedly connected with the lock body 10 and is located inside the mounting groove 101, two side walls of the mounting groove 101 are provided with guide rails 102, the lock cover 12 is slidably connected with the lock body 10, two side walls of the lock cover 12 are respectively located inside the two guide rails 102, the handle 13 is arranged in an arc structure, the handle 13 is fixedly connected with the lock body 10 and is located below the lock cover 12, an opening formed between the handle 13 and the lock body 10 faces upward, outer edges of the handle 13 are both arranged in an arc structure, the fingerprint identifier 14 is fixedly connected with the handle 13, and is located at the end of the handle 13 remote from the lock body 10.
In this embodiment, the lock body 10 is internally provided with an STC89S52 single chip microcomputer, a battery panel and an electromagnetic interference unit, the single chip microcomputer is electrically connected with the battery panel, a user terminal, the electromagnetic interference unit and the fingerprint identifier 14, the fingerprint identifier 14 comprises a finger placing frame, a fingerprint collector and a fingerprint sensor, the finger placing frame is electrically connected with the fingerprint collector and the fingerprint sensor through a lead, a signal output end of the fingerprint collector is in signal connection with a signal receiving end of the fingerprint sensor, a signal output end of the STC89S52 single chip microcomputer is in signal connection with the signal receiving ends of the fingerprint sensor and the signal interference unit respectively, when a user places a finger into the finger placing frame, fingerprint information in a finger area can be collected and recorded through the fingerprint collector, so that the fingerprint information collected and recorded by the fingerprint collector can be transmitted to the fingerprint sensor, and the fingerprint information in the fingerprint sensor can be transferred to the chip, the fingerprint sensor can identify the authenticity of the fingerprint to judge whether the fingerprint is correct or not, and if the fingerprint is false, the unlocking cannot be successfully carried out through the identification of the fingerprint sensor. The intelligent home security lock 100 based on the internet of things technology not only has a fingerprint unlocking function, but also can unlock a password by using the password input keyboard 11, so that the unlocking mode is more diversified.
By arranging the password input keyboard 11 in the mounting groove 101, when a password is needed to open the door, the lock cover 12 can slide upwards along the guide rail 102 to input the password, after the password is used, the lock cover 12 slides downwards along the guide rail 102 to seal and shield the password input keyboard 11, by arranging the lock cover 12, on one hand, dust can be reduced to be attached to the password input keyboard 11, on the other hand, the password input keyboard 11 can be hidden, certain naughty children can be prevented from pressing the password input keyboard 11 in a disorderly way when passing by, the possibility of damage of the password input keyboard 11 is reduced, meanwhile, by arranging the password input keyboard 11 in the mounting groove 101, lawless persons can be prevented from peeping the password combination to a certain extent, and glare can be prevented when sunlight is strong, the password input is convenient, the design is more humanized, and convenience is brought to users; will in addition fingerprint identification ware 14 is installed on the handle 13 for the user grips when using the fingerprint to open the door in handle 13, the thumb can directly with fingerprint identification ware 14 contacts, more convenient and fast, in addition will the outward flange of handle 13 all is the cambered surface structure setting, can make the area of space that handle 13 occupy is littleer, and also more light is convenient when the user opens the door simultaneously, the design of intelligent home security lock 100 based on internet of things is more humanized.
Further, the lower end of the outer surface wall of the locking cover 12 is provided with an anti-slip thread 121.
In this embodiment, when a user needs to input a password on the password input keyboard 11 to unlock the lock, the lock cover 12 often needs to be slid upwards along the direction of the guide rail 102, and when the lock cover 12 is slid upwards by using a hand, the hand is in contact with the anti-slip pattern 121, so that friction between the hand and the lock cover 12 can be increased, the user can slide the lock cover 12 more easily and more easily, and labor is saved, thereby explaining that the design of the smart home security lock 100 based on the internet of things technology is more humanized.
Further, the smart home security lock 100 based on the internet of things technology further includes a heating wire 131, and the heating wire 131 is fixedly connected with the handle 13 and is located inside the handle 13.
In this embodiment, the heating wire 131 is electrically connected with the single chip microcomputer and the storage battery, when the weather is cold, the single chip microcomputer is controlled by a user through a mobile phone terminal, the heating wire 131 is controlled by the single chip microcomputer to be powered on to generate heat, the external temperature of the handle 13 is further heated to a proper temperature, when the user unlocks the fingerprint, the hand is in contact with the handle 13, the user does not feel cold, and the design is more humanized.
Further, the smart home security lock 100 based on the internet of things technology further comprises a heat insulation board 15, the heat insulation board 15 is fixedly connected with the handle 13 and is located inside the handle 13, and the heating wire 131 and the fingerprint identifier 14 are separated by the heat insulation board 15.
In this embodiment, the heat insulation board 15 can divide the inside of the handle 13 into two cavities, one of which is used for installing the heating wire 131, and the other is used for installing the fingerprint identifier 14, when the heating wire 131 works, the heat insulation board 15 can avoid the part of the handle 13, where the fingerprint identifier 14 is installed, from being heated, and prevent the fingerprint identifier 14 from being damaged due to overheating.
Further, intelligence family security lock 100 based on internet of things still includes light sensor 16 and illuminating part 17, light sensor 16 with locking closure 12 fixed connection, and be located the outside of locking closure 12, illuminating part 17 with lock body 10 fixed connection, and be located the inside wall of mounting groove 101, just illuminating part 17 with light sensor 16 electric connection.
In this embodiment, light-emitting member 17 is the light, light sensor 16 can detect the light condition of environment of locating, light sensor 16 with light-emitting member 17 all with panel and singlechip electric connection, work as when light sensor 16 detects the light of environment of locating when dark, can transmit data information to singlechip, single chip microcomputer control light-emitting member 17 shines, light-emitting member 17 illuminates password input keyboard 11 for the user also can be clear see clearly under the darker condition of light see clearly digit on the password input keyboard 11 to input digit that can be accurate unlocks, design hommization more.
Further, the intelligent home security lock 100 based on the internet of things technology further comprises a germicidal lamp 18, wherein the germicidal lamp 18 is fixedly connected with the lock body 10 and is located on the inner side wall of the installation groove 101.
In this embodiment, the sterilamp 18 is ultraviolet lamp, the sterilamp 18 respectively with panel and singlechip electric connection, use as people after the password input keyboard 11 live time overlength, and in the locking closure 12 with under the sealed condition of lock body 10, the bacterium breeds easily in password input keyboard 11, through the locking closure 12 with the sealed condition setting of lock body 10 the sterilamp 18 can carry out sterilization treatment, reduces breeding of bacterium in the at utmost, keeps the health of password input keyboard 11, designs more hommization.
Further, the intelligent home security lock 100 based on the internet of things technology further comprises a slightly wide-angle camera 19, wherein the slightly wide-angle camera 19 is fixedly connected with the lock cover 12 and is located outside the lock cover 12.
In this embodiment, little wide angle camera 19 and singlechip electric connection, picture before little wide angle camera 19 can shoot the door, when the lawless persons need to unblank and steal, little wide angle camera 19 can take lawless persons's face down to on transmitting to user's terminal through the singlechip, the user can look over lawless persons ' face.
Further, the intelligent home security lock 100 based on the internet of things technology further comprises a code scanner 20, wherein the code scanner 20 is fixedly connected with the lock cover 12 and is located below the micro wide-angle camera 19.
In this embodiment, bar code scanner 20 is used for scanning the two-dimensional code on the user terminal, and the user not only can use password input keyboard 11 carries out the password and unblanks, and is simultaneously usable fingerprint identification ware 14 carries out the fingerprint and unblanks, also can use bar code scanner 20 scans the two-dimensional code on the user terminal to send the two-dimensional code of gathering after the scanning to the singlechip, and with the two-dimensional code of unblanking in the database and compare, if unanimously then unblank, if inconsistent, then unblank inefficiently, the intelligent home security lock 100 based on internet of things technique's the mode of unblanking is various.
Further, the intelligent home security lock 100 based on the internet of things technology further comprises a key cylinder hole 103, wherein the key cylinder hole 103 is arranged on the lock body 10 and is located below the handle 13.
In this embodiment, when the battery panel is not powered, and the password input keypad 11, the fingerprint recognizer 14, and the barcode reader 20 are not used, a key may be inserted into the key insertion hole 103 to unlock the battery.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (9)

1. An intelligent home security lock based on the technology of Internet of things, which is characterized in that,
including lock body, password input keyboard, locking closure, handle and fingerprint identification ware, the mounting groove has on the lock body, password input keyboard with lock body fixed connection, and be located the inside of mounting groove, the guide rail has on the both sides wall of mounting groove, the locking closure with lock body sliding connection, just two are arranged respectively in to the both sides wall of locking closure the inside of guide rail, the handle is the arc structure setting, the handle with lock body fixed connection, and be located the below of locking closure, just the handle with the opening that forms between the lock body up, just the outward flange of handle all is the arc structure setting, fingerprint identification ware with handle fixed connection, and be located the handle is kept away from the one end of lock body.
2. The intelligent home security lock based on the technology of the Internet of things as claimed in claim 1,
the lower end of the outer surface wall of the lock cover is provided with anti-skid grains.
3. The intelligent home security lock based on the technology of the Internet of things as claimed in claim 1,
the intelligent home security lock based on the Internet of things technology further comprises a heating wire, wherein the heating wire is fixedly connected with the handle and is positioned inside the handle.
4. The intelligent home security lock based on the technology of the Internet of things as claimed in claim 3,
the intelligent home security lock based on the internet of things technology further comprises a heat insulation plate, the heat insulation plate is fixedly connected with the handle and located inside the handle, and the heat insulation plate separates the heating wire from the fingerprint identifier.
5. The intelligent home security lock based on the technology of the Internet of things as claimed in claim 1,
intelligence family security protection lock based on internet of things still includes optical line sensors and illuminating part, optical line sensors with locking closure fixed connection, and be located the outside of locking closure, illuminating part with lock body fixed connection, and be located the inside wall of mounting groove, just illuminating part with optical line sensors electric connection.
6. The intelligent home security lock based on the technology of the Internet of things as claimed in claim 1,
the intelligent home security lock based on the Internet of things technology further comprises a bactericidal lamp, wherein the bactericidal lamp is fixedly connected with the lock body and is positioned on the inner side wall of the mounting groove.
7. The intelligent home security lock based on the technology of the Internet of things as claimed in claim 1,
the intelligent home security lock based on the internet of things technology further comprises a micro wide-angle camera, wherein the micro wide-angle camera is fixedly connected with the lock cover and is located outside the lock cover.
8. The intelligent home security lock based on the technology of the Internet of things as claimed in claim 7,
the intelligent home security lock based on the Internet of things technology further comprises a code scanner, wherein the code scanner is fixedly connected with the lock cover and located below the micro wide-angle camera.
9. The intelligent home security lock based on the technology of the Internet of things as claimed in claim 1,
the intelligent home security lock based on the Internet of things technology further comprises a key jack, wherein the key jack is arranged on the lock body and located below the handle.
CN201910956893.XA 2019-10-10 2019-10-10 Intelligent home security lock based on Internet of things technology Withdrawn CN110670967A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910956893.XA CN110670967A (en) 2019-10-10 2019-10-10 Intelligent home security lock based on Internet of things technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910956893.XA CN110670967A (en) 2019-10-10 2019-10-10 Intelligent home security lock based on Internet of things technology

Publications (1)

Publication Number Publication Date
CN110670967A true CN110670967A (en) 2020-01-10

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Application Number Title Priority Date Filing Date
CN201910956893.XA Withdrawn CN110670967A (en) 2019-10-10 2019-10-10 Intelligent home security lock based on Internet of things technology

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CN (1) CN110670967A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113047695A (en) * 2021-04-12 2021-06-29 德施曼机电(中国)有限公司 Intelligent lock with password shielding cover
CN113152999A (en) * 2021-02-24 2021-07-23 朱建国 Security protection equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113152999A (en) * 2021-02-24 2021-07-23 朱建国 Security protection equipment
CN113047695A (en) * 2021-04-12 2021-06-29 德施曼机电(中国)有限公司 Intelligent lock with password shielding cover

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