CN212716220U - Intelligent door lock - Google Patents
Intelligent door lock Download PDFInfo
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- CN212716220U CN212716220U CN202021030837.8U CN202021030837U CN212716220U CN 212716220 U CN212716220 U CN 212716220U CN 202021030837 U CN202021030837 U CN 202021030837U CN 212716220 U CN212716220 U CN 212716220U
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- mechanical key
- door lock
- intelligent door
- latch mechanism
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Abstract
The application discloses intelligence lock includes: a latch mechanism for locking and unlocking the door; the authorization module is used for authorizing or canceling the authority of the mechanical key to unlock the latch mechanism; and the mechanical key is inserted into the latch mechanism to be unlocked when the authorization module authorizes the mechanical key. The mechanical key is stored by depending on the intelligent door lock and is not carried by a user, so that the mechanical key can be conveniently used by the user.
Description
Technical Field
The application relates to the technical field of security protection, especially, relate to an intelligent door lock.
Background
With the development of the internet of things technology, smart homes gradually enter the daily life of people. The applications of intelligent electrical appliances, intelligent monitoring, intelligent elevators, intelligent door locks and the like are increasingly wide.
In the prior art, a battery can be installed on the intelligent door lock so as to provide energy for intelligent door lock control signal processing and locking and unlocking of the intelligent door lock mechanical structure. In actual use, there are situations where the user may not operate the smart door lock for a long time, e.g., a long-term business trip. At this time, the power of the intelligent door lock may be consumed, so that the control signal of the intelligent door lock cannot be processed or the mechanical structure of the intelligent door lock cannot be operated.
In the case of emergency, a solution is provided to provide a charging interface so as to charge the smart door lock through the charging interface to recover energy.
Another solution is to provide a mechanical key so that the user can open the smart door lock by the mechanical key.
In the process of realizing the prior art, the inventor finds that the following technical problems exist:
for the solution of providing a charging interface, a user is required to carry a charging cable and a standby power supply, such as a mobile phone and a mobile power supply, to a device or equipment capable of charging the smart door lock. And, charging cable one end needs and the interface phase-match that charges of intelligent lock, and the other end needs and cell-phone or portable power source's transmission of electricity interface phase-match. In these configurations, this solution is ineffective as long as one of them cannot be matched.
For the solution of providing a mechanical key, the user is required to carry the mechanical key along with the user. The mechanical key of the user can be carried about, and can also be placed in other positions such as offices, automobiles and the like. In most cases, the mechanical key is placed in other places such as offices, automobiles, and the like. In the case where the electrical means cannot be opened, the user needs to take the mechanical key to and from the placement position of the mechanical key, or wait for the user carrying the mechanical key to handle.
Therefore, it is necessary to provide an emergency technical solution for an intelligent door lock that can be used easily and timely.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a simple, convenient and timely intelligent door lock emergency technical scheme for solving the technical problem that the intelligent door lock emergency scheme is complex.
An intelligent door lock comprising:
a latch mechanism for locking and unlocking the door;
the authorization module is used for authorizing or canceling the authority of the mechanical key to unlock the latch mechanism;
and the mechanical key is inserted into the latch mechanism to be unlocked after the authorization module authorizes the mechanical key.
Further, in a preferred embodiment provided herein, the authorization module includes a first barrier;
when the mechanical key is authorized, the first blocking piece retreats, and the mechanical key can be operated;
when the mechanical key is unauthorized, the first blocking member blocks the movement of the mechanical key.
Further, in a preferred embodiment provided herein, the authorization module includes a moving part;
when the mechanical key is authorized, the moving part is separated from the limit state of the latch mechanism, and the latch mechanism can be unlocked by the movement of the mechanical key;
when the mechanical key is not authorized, the moving part keeps the limit state of the latch mechanism, and the mechanical key cannot unlock the latch mechanism due to movement.
Further, in a preferred embodiment provided by the present application, the mechanical key is detachably retained.
Further, in a preferred embodiment provided by the present application, the smart door lock is provided with a receiving groove.
Further, in a preferred embodiment provided herein, the mechanical key may slide with respect to the receiving groove or the mechanical key may be directly taken out from the receiving groove.
Further, in a preferred embodiment provided by the present application, the intelligent door lock is provided with a mechanical key ejection mechanism.
Further, in a preferred embodiment provided herein,
the ejection mechanism is a two-stroke movement mechanism, the mechanical key is limited when pressed for the first time, and the mechanical key is ejected when pressed for the second time.
Further, in a preferred embodiment provided by the present application, the mechanical key is provided with a mechanical key storage box;
the pop-up mechanism is abutted against the storage box.
Further, in a preferred embodiment provided herein, the authorization module has a second barrier;
the second blocking piece is abutted with the ejecting mechanism;
when the mechanical key is authorized, the second blocking piece retreats, and the mechanical key is ejected after being pressed for the second time;
when the mechanical key is not authorized, the second blocking piece limits the position and prevents the ejection mechanism from ejecting the mechanical key.
Further, in a preferred embodiment provided by the present application, the mechanical key is embedded inside the intelligent door lock;
when a mechanical key is authorized, the mechanical key is inserted into the latching mechanism;
the mechanical key is disengaged from the latching mechanism when the mechanical key is unauthorized.
Further, in a preferred embodiment provided in the present application, the authorization manner of the authorization module includes at least one of:
inputting a password;
matching biological characteristics;
an electronic tag;
communication authentication;
and (5) instructing action.
The application also provides an intelligent door lock, include:
a latch mechanism for locking and unlocking the door;
the mechanical key is used for being inserted into the latch mechanism to unlock;
the receiving groove is used for receiving the mechanical key.
The embodiment provided by the application has at least the following beneficial effects:
the mechanical key is stored by depending on the intelligent door lock and is not carried by a user, so that the mechanical key can be conveniently used by the user.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of an intelligent door lock provided in an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Please refer to fig. 1, which is a schematic structural diagram of an intelligent door lock 100 according to an embodiment of the present application. The smart door lock 100 includes a latch mechanism 11, an authorization module 12, and a mechanical key 13. In a specific application, the smart door lock 100 has various implementation forms, such as a fingerprint door lock, a finger vein door lock, a voiceprint door lock, an iris door lock, and the like. These smart door locks 100 associate a user's biometric with the user's rights.
The latch mechanism 11 is used for locking and unlocking the door. In a particular application, the latch mechanism 11 may have different configurations. In one embodiment where a single door is mated to a doorframe, the latch mechanism 11 may be mounted to the single door. The latch mechanism 11 comprises a toggle bolt. The door frame includes a positioning groove for accommodating the bolt. The tongue is inserted into the positioning groove for positioning, and the locking state of the latch mechanism 11 is formed. The tongue is retracted from the detent to establish the unlocked state of the latch mechanism 11.
Of course, in another alternative implementation, a stop may be provided to prevent the tongue from being withdrawn after the tongue is inserted into the detent, resulting in a locked state of the latch mechanism 11. The dog is retracted, allowing the bolt to be retracted, creating the unlocked state of the latch mechanism 11.
In one embodiment of a double door, the latch mechanism 11 is mounted to one of the doors and the other door is provided with a mating structure for the latch mechanism 11. The principle of operation of the latch mechanism 11 is the same as the application of the mating of a single door with a doorframe and will not be described further herein. It should be understood that the specific implementation of the latch mechanism 11 should not be construed as a substantial limitation on the scope of the present application. A simple modification of the latch mechanism 11 still falls within the scope of protection of the present application.
The motor can be arranged to drive the bolt to insert into the positioning slot or withdraw from the positioning slot. Of course, an electric driving block can be arranged to limit the lock tongue to prevent the lock tongue from retreating from the positioning groove, and the driving block retreats to allow the lock tongue to retreat from the positioning groove.
The motor may be controlled by a control signal. The motor is rotated under the control of the control signal to drive the latch bolt to move or the stopper to move, or to drive other moving parts of the latch mechanism 11 to move.
And the authorization module 12 is used for authorizing or canceling the authority of the mechanical key 13 to open the latch mechanism 11.
Further, in a preferred embodiment provided in the present application, the authorization manner of the authorization module 12 includes at least one of:
inputting a password;
matching biological characteristics;
an electronic tag;
communication authentication;
and (5) instructing action.
The smart door lock 100 may be provided with numeric buttons or numeric dials. The user can complete the authorization of the mechanical key 13 by entering the correct password. The user may enter a biometric to complete authorization of the mechanical key 13. Such as fingerprint door locks, finger vein door locks, voice print door locks, iris door locks, facial recognition, and the like. The user can also complete the authorization of the mechanical key 13 through the electronic tag. The electronic tag can be a magnetic card, an NFC card or an NFC chip of a mobile phone. The user can also complete the authorization of the mechanical key 13 through communication authentication. The communication authentication can be a wireless communication mode instruction, Bluetooth pairing, two-dimension code identification, an app authorization instruction, an authorization instruction of a legal terminal and the like. The user can also complete the authorization of the mechanical key 13 through the instruction action. The command operation may be a morse code corresponding to the length of the pressing operation.
Further, in an embodiment provided by the present application, the mechanical key 13 is embedded inside the intelligent door lock 100;
when the mechanical key 13 is authorized, the mechanical key 13 is inserted into the latch mechanism 11;
when the mechanical key 13 is unauthorized, the mechanical key 13 is disengaged from the latch mechanism 11.
In the embodiment provided in the present application, in order to reduce the burden of the user carrying the mechanical key 13, the mechanical key 13 is implanted inside the smart door lock 100. In addition, the mechanical key 13 is directly implanted into the intelligent door lock 100, the insertion and extraction of the mechanical key 13 are directly realized by the internal structure, and the load of the user for inserting in the correct direction in the using process can be reduced. When the mechanical key 13 is authorized, the mechanical key 13 is inserted into the latch mechanism 11 to be unlocked; when the mechanical key 13 is unauthorized, the mechanical key 13 is disengaged from the latch mechanism 11 and cannot be unlocked.
Further, in a preferred embodiment provided by the present application, the mechanical key 13 is detachably retained.
The mechanical key 13 can be separately limited, and it can be understood that the mechanical key 13 is placed inside the intelligent door lock 100, but when in use, the mechanical key 13 can be taken out from the inside of the intelligent door lock 100, thereby reducing the burden of the user carrying the mechanical key 13 with him.
Further, in a preferred embodiment provided herein, the smart door lock 100 is provided with a receiving groove.
Further, in a preferred embodiment provided by the present application, the mechanical key 13 may slide with respect to the receiving groove or the mechanical key 13 may be directly taken out from the receiving groove.
It can be understood that the mechanical key 13 is received in the receiving groove of the intelligent door lock 100, and is held in the receiving groove by means of the friction force between the mechanical key 13 and the receiving groove. The user can remove the mechanical key 13 by overcoming the friction force of the receiving groove against the mechanical key 13. Alternatively, the user may directly take out the container from the storage tank. After use, the user can push the mechanical key 13 into the receiving groove again by overcoming the friction force of the receiving groove to the mechanical key 13. Alternatively, the user may directly put the mechanical key 13 into the receiving groove. In actual use, although the mechanical key 13 can be removed, the mechanical key 13 may be prevented from being fully inserted into the latch mechanism 11 or the mechanical key 13 may be prevented from moving and thus cannot be unlocked because the mechanical key 13 is unauthorized.
Further, in a preferred embodiment provided by the present application, the intelligent door lock 100 is provided with a mechanical key 13 ejection mechanism.
Further, in a preferred embodiment provided by the present application, the ejection mechanism is a two-stroke movement mechanism, the first pressing of the mechanical key is limited, and the second pressing of the mechanical key is ejected.
The ejection mechanism is a two-stroke movement mechanism, the mechanical key 13 is pressed for the first time to be limited, and the mechanical key 13 is pressed for the second time to be ejected.
The smart door lock 100 may be provided with a mechanical key 13 ejection mechanism. The pop-up mechanism is a two-stroke movement mechanism, when the mechanical key 13 is pressed for the first time, the mechanical key 13 is pushed into the accommodating groove for limiting, and when the mechanical key 13 is pressed for the second time, the mechanical key 13 passes through the limiting structure and is popped up by the pop-up mechanism. In the embodiments provided herein, the ejection mechanism may facilitate the access of the mechanical key 13.
Further, in a preferred embodiment provided by the present application, the mechanical key 13 is provided with a mechanical key 13 storage box;
the pop-up mechanism is abutted against the storage box.
It will be appreciated that the mechanical key 13 is generally flat and has a small force-bearing area, which does not facilitate ejection of the mechanical key 13. In the embodiment that this application provided, mechanical key 13 is put into the receiver, and pop-up mechanism and receiver looks butt, and the setting of receiver has increased pop-up mechanism's scope of action to be convenient for mechanical key 13 and pop out.
Further, in a preferred embodiment provided herein, the authorization module 12 has a second barrier;
the second blocking piece is abutted with the ejecting mechanism;
when the mechanical key 13 is authorized, the second blocking member is retracted, and the second pressing of the mechanical key 13 is ejected;
when the mechanical key 13 is unauthorized, the second stopper is positioned to prevent the eject mechanism from ejecting the mechanical key 13.
In order to prevent the mechanical key 13 from being removed by an illegal user, the authorization module 12 is provided with a second barrier. The second blocking piece is abutted against the ejection mechanism. When the mechanical key 13 is authorized, the second blocking member is retracted and a second depression of the mechanical key 13 can be ejected. And when the mechanical key 13 is unauthorized, the second stopper is positioned to prevent the eject mechanism from ejecting the mechanical key 13.
Further, in a preferred embodiment provided herein, the authorization module 12 includes a first barrier;
when the mechanical key 13 is authorized, the first blocking member is retracted, and the mechanical key 13 can be operated;
when the mechanical key 13 is unauthorized, the first blocking member blocks the movement of the mechanical key 13.
The first blocking member functions to prevent movement of the mechanical key 13 relative to the latch mechanism 11. The specific function of the first blocking member may be to block the insertion of the mechanical key 13, or to block the rotation of the mechanical key 13. When the mechanical key 13 is authorized, the first blocking member is retracted and the mechanical key 13 can be operated, i.e. the mechanical key 13 can be fully inserted into the latch mechanism 11 or the mechanical key 13 can be rotated relative to the latch mechanism 11. When the mechanical key 13 is unauthorized, the first blocking member blocks the movement of the mechanical key 13, prevents the mechanical key 13 from being fully inserted into the latch mechanism 11, or blocks the mechanical key 13 from being rotated relative to the latch mechanism 11 to complete the unlocking.
Further, in a preferred embodiment provided herein, the authorization module 12 includes a moving part;
when the mechanical key 13 is authorized, the moving part is disengaged from the limit state of the latch mechanism 11, and the mechanical key 13 moves to unlock the latch mechanism 11;
when the mechanical key 13 is unauthorized, the mover maintains the limit state of the latch mechanism 11, and the mechanical key 13 moves so as not to unlock the latch mechanism 11.
The latch mechanism 11 has a double locking mechanism. The mechanical key 13 is a double locking mechanism and the moving member is another double locking mechanism. When the mechanical key 13 is authorized, the moving member is disengaged from the limit state of the latch mechanism 11, and the mechanical key 13 moves to unlock the latch mechanism 11. When the mechanical key 13 is unauthorized, the mover maintains the limit state of the latch mechanism 11, and the mechanical key 13 moves so as not to unlock the latch mechanism 11. The movement member may have various implementation forms. One form of implementation of the moving element may be a coupling. When the mechanical key 13 is authorized, the moving part communicates the two shafts disengaged from each other, and the latch mechanism 11 can be unlocked. When the mechanical key 13 is unauthorized, the moving part does not connect the two shafts, and the mechanical key 13 corresponding to one shaft is idle and cannot drive the two shafts to move simultaneously, so that the latch mechanism 11 cannot be unlocked. The moving part can also be a circumferential limiting part. When the mechanical key 13 is unauthorized, the mechanical key 13 can only rotate in the first stroke due to the movement limitation and cannot complete the entire unlocking stroke of the latch mechanism 11. When the mechanical key 13 is authorized, the moving part is disengaged from the limit state, and the mechanical key 13 can rotate in a full stroke, so that the latch mechanism 11 is unlocked completely.
The following describes a specific application scenario of the intelligent door lock 100 provided by the present application:
the smart door lock 100 may be unlocked by a variety of electronic means, such as biometric identification, entry of a password, and the like. When the control signal processing fails or the power of the intelligent door lock 100 is insufficient to complete unlocking. The user can only complete the authorization of the mechanical key 13 by entering a password, biometric matching, electronic tagging, communication authentication, and the like. Of course, the mechanical key 13 may be embedded inside the intelligent door lock 100, or may be separately limited to the intelligent door lock 100. When the mechanical key 13 is embedded inside the smart door lock 100, the mechanical key 13 is inserted into the latch mechanism 11 to complete unlocking when the mechanical key 13 is authorized, so as to apply force to open the smart door lock 100. When the mechanical key 13 is separately limited to the intelligent door lock 100, when the mechanical key 13 is unauthorized, the mechanical key 13 either cannot be removed, or the mechanical key 13 cannot be completely inserted into the latch mechanism 11, or the mechanical key 13 cannot move relative to the latch mechanism 11, or the mechanical key 13 cannot complete the entire unlocking stroke relative to the latch mechanism 11, or the mechanical key 13 cannot be unlocked alone. When the mechanical key 13 is authorized, the mechanical key 13 can smoothly complete the unlocking of the latch mechanism 11.
The present application further provides an intelligent door lock 100, comprising:
a latch mechanism 11 for locking and unlocking the door;
a mechanical key 13 for insertion into the latch mechanism 11 for unlocking;
a receiving groove for receiving the mechanical key 13.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (13)
1. An intelligent door lock, comprising:
a latch mechanism for locking and unlocking the door;
the authorization module is used for authorizing or canceling the authority of the mechanical key to unlock the latch mechanism;
and the mechanical key is inserted into the latch mechanism to be unlocked after the authorization module authorizes the mechanical key.
2. The intelligent door lock of claim 1, wherein the authorization module comprises a first blocker;
when the mechanical key is authorized, the first blocking piece retreats, and the mechanical key can be operated;
when the mechanical key is unauthorized, the first blocking member blocks the movement of the mechanical key.
3. The intelligent door lock of claim 1, wherein the authorization module comprises a moving part;
when the mechanical key is authorized, the moving part is separated from the limit state of the latch mechanism, and the latch mechanism can be unlocked by the movement of the mechanical key;
when the mechanical key is not authorized, the moving part keeps the limit state of the latch mechanism, and the mechanical key cannot unlock the latch mechanism due to movement.
4. The intelligent door lock of claim 1, wherein the mechanical key is separable.
5. The intelligent door lock of claim 4, wherein the intelligent door lock is provided with a receiving slot.
6. The intelligent door lock of claim 5, wherein the mechanical key can slide relative to the receiving slot or the mechanical key can be directly taken out from the receiving slot.
7. The intelligent door lock of claim 4, wherein the intelligent door lock is provided with a mechanical key ejection mechanism.
8. The intelligent door lock of claim 7, wherein the ejection mechanism is a two-stroke motion mechanism, the first pressing of the mechanical key is limited, and the second pressing of the mechanical key is ejected.
9. The intelligent door lock of claim 7, wherein the mechanical key is provided with a mechanical key storage box;
the pop-up mechanism is abutted against the storage box.
10. The intelligent door lock of claim 7, wherein the authorization module has a second blocker;
the second blocking piece is abutted with the ejecting mechanism;
when the mechanical key is authorized, the second blocking piece retreats, and the mechanical key is ejected after being pressed for the second time;
when the mechanical key is not authorized, the second blocking piece limits the position and prevents the ejection mechanism from ejecting the mechanical key.
11. The intelligent door lock according to claim 1, wherein the mechanical key is embedded in the intelligent door lock;
when a mechanical key is authorized, the mechanical key is inserted into the latching mechanism;
the mechanical key is disengaged from the latching mechanism when the mechanical key is unauthorized.
12. The intelligent door lock of claim 1, wherein the authorization mode of the authorization module comprises at least one of:
inputting a password;
matching biological characteristics;
an electronic tag;
communication authentication;
and (5) instructing action.
13. An intelligent door lock, comprising:
a latch mechanism for locking and unlocking the door;
the mechanical key is used for being inserted into the latch mechanism to unlock;
the receiving groove is used for receiving the mechanical key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030837.8U CN212716220U (en) | 2020-06-08 | 2020-06-08 | Intelligent door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021030837.8U CN212716220U (en) | 2020-06-08 | 2020-06-08 | Intelligent door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212716220U true CN212716220U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021030837.8U Active CN212716220U (en) | 2020-06-08 | 2020-06-08 | Intelligent door lock |
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| CN (1) | CN212716220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775261A (en) * | 2020-06-08 | 2021-12-10 | 南京东屋电气有限公司 | Intelligent door lock |
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2020
- 2020-06-08 CN CN202021030837.8U patent/CN212716220U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775261A (en) * | 2020-06-08 | 2021-12-10 | 南京东屋电气有限公司 | Intelligent door lock |
| CN113775261B (en) * | 2020-06-08 | 2023-11-24 | 东屋世安物联科技(江苏)股份有限公司 | Intelligent door lock |
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Address after: No.27 Puzhou Road, Jiangbei new district, Nanjing, Jiangsu Province 210032 Patentee after: Dongwu Shian IOT Technology (Jiangsu) Co.,Ltd. Address before: No.27 Puzhou Road, Jiangbei new district, Nanjing, Jiangsu Province 210032 Patentee before: NANJING EASTHOUSE ELECTRICAL Co.,Ltd. |