CN112144972A - Intelligent door lock and security system - Google Patents
Intelligent door lock and security system Download PDFInfo
- Publication number
- CN112144972A CN112144972A CN202010887308.8A CN202010887308A CN112144972A CN 112144972 A CN112144972 A CN 112144972A CN 202010887308 A CN202010887308 A CN 202010887308A CN 112144972 A CN112144972 A CN 112144972A
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- China
- Prior art keywords
- door
- door lock
- lock
- control unit
- electronic
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Classifications
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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
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
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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
- E05B45/061—Electric alarm locks for combination locks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- 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
- E05B2047/0048—Circuits, feeding, monitoring
- E05B2047/0067—Monitoring
- E05B2047/0068—Door closed
Abstract
The application relates to an intelligent door lock and a security system. The intelligence lock includes: the electronic door lock, the control unit and the communication module are arranged on the door body, and the door opening and closing induction device is arranged on the door frame and the door body; the control unit is connected with the electronic door lock, the door opening and closing sensing device and the communication module; the door opening and closing sensing device sends or does not send a sensing signal to the control unit according to the door opening and closing state of the door body, the control unit collects door lock opening and closing state information of the electronic door lock, judges whether the electronic door lock is illegally unlocked according to the door lock opening and closing state information when the sensing signal is not received, and sends illegal unlocking alarm information to the user terminal through the communication module when the electronic door lock is illegally unlocked. This intelligence lock can make user terminal can in time acquire the information of illegal unblanking to the user can in time discover the condition of illegal unblanking through looking over user terminal, improves the security of lock.
Description
Technical Field
The application relates to the technical field of intelligent home, in particular to an intelligent door lock and a security system.
Background
In the era of the internet of things, more and more intelligent internet of things products are provided, and an intelligent door lock is one of the products. The intelligent door lock adopts an electronic door lock, can support password unlocking, fingerprint unlocking and the like, and saves the trouble of taking a key for a user compared with a mechanical lock.
The intelligent lock that uses at present generally is through the unblanking and the lock of signal control electronic lock, can know the switch lock state of electronic lock basically. However, the opening and closing state of the door cannot be accurately known according to the opening and closing state of the electronic door lock, for example, if the electronic door lock is illegally unlocked, the electronic door lock is pried to open the door, and the electronic door lock is still in the state of controlling the closing of the door lock because the electronic door lock is not controlled to be unlocked through a signal. Therefore, the user cannot know the condition of illegal unlocking in time and cannot find and stop the damage in time.
Disclosure of Invention
Therefore, it is necessary to provide an intelligent door lock and a security system which can facilitate a user to find illegal unlocking in time aiming at the technical problems.
An intelligent door lock comprising: the electronic door lock, the control unit and the communication module are arranged on a door body, and the door opening and closing induction device is arranged on a door frame and the door body; the control unit is connected with the electronic door lock, the door opening and closing sensing device and the communication module;
the door opening and closing sensing device sends or does not send a sensing signal to the control unit according to the door opening and closing state of the door body, the control unit collects the door lock opening and closing state information of the electronic door lock, judges whether the electronic door lock is illegally unlocked according to the door lock opening and closing state information when the sensing signal is not received, and sends illegal unlocking alarm information to the user terminal through the communication module when the electronic door lock is illegally unlocked.
In one embodiment, the door opening and closing sensing device does not send the sensing signal when the door body opens the door, the control unit collects the door lock opening and closing state information of the electronic door lock when the sensing signal is not received, and if the door lock opening and closing state information is the locking information, the electronic door lock is unlocked illegally.
In one embodiment, the door opening and closing sensing device comprises a magnet and a magnetic sensor, wherein the magnet is arranged on the door frame, and the magnetic sensor is arranged on the door body at a position opposite to the magnet and is connected with the control unit;
the magnetic sensor senses the magnet and sends the sensing signal to the control unit when the door body is closed, and the magnetic sensor does not send the sensing signal when the door body is opened.
In one embodiment, the magnetic sensor is a hall switch, and the sensing signal comprises a pulse;
the control unit sends a pulse to the Hall switch, the Hall switch is conducted when the door body is closed, and the pulse is returned to the control unit; the Hall switch is disconnected when the door body opens, and does not return to pulse.
In one embodiment, the electronic door lock comprises a mechanical lock body arranged on the door body and an electronic control assembly, and the electronic control assembly is connected with the mechanical lock body and the control unit.
In one embodiment, the electronic control assembly includes a motor and a motor control module, the motor is connected to the mechanical lock body and the motor control module, and the motor control module is connected to the control unit.
In one embodiment, the control unit is further configured to send an unlocking and locking control signal to the motor control module, and the motor control module controls the motor to open or close the mechanical lock body according to the unlocking and locking control signal.
In one embodiment, the communication module comprises a wireless communication module, which is connected with the control unit and wirelessly communicates with the user terminal.
In one embodiment, the wireless communication module is a wireless communication module with a function of making a call; and the wireless communication module forwards the illegal unlocking warning information to the user terminal when receiving the illegal unlocking warning information, and dials a call to a user receiving end.
According to the intelligent door lock, the door opening and closing state of the door body is detected by adopting the door opening and closing sensing device to send or not send a sensing signal, the control unit judges whether the electronic door lock is illegally unlocked or not according to the collected door lock opening and closing state information of the electronic door lock when the sensing signal is not received, and the communication module sends illegal unlocking alarm information to inform the user terminal when the electronic door lock is illegally unlocked, so that the user terminal can timely acquire illegal unlocking information, and therefore, a user can timely find the illegal unlocking condition by looking over the user terminal, and the safety of the door lock is improved.
A security system comprises a user terminal and the intelligent door lock, wherein the intelligent door lock is in communication connection with the user terminal.
Above-mentioned security protection system owing to adopted aforementioned intelligent lock, the same reason can make the user in time discover the condition of illegal unblanking, strengthens safety protection.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the descriptions of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the following descriptions are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of an embodiment of an intelligent door lock;
fig. 2 is a schematic structural diagram of an intelligent door lock in another embodiment.
Detailed Description
To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. Further, "connection" in the following embodiments is understood to mean "electrical connection", "communication connection", or the like, if there is a transfer of electrical signals or data between the connected objects.
As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.
In one embodiment, as shown in fig. 1, an intelligent door lock is provided, which includes a door opening and closing sensing device 110, an electronic door lock 130, a control unit 150, and a communication module 170; the electronic door lock 130, the control unit 150 and the communication module 170 are disposed on the door body, and the door opening and closing sensing device 110 is disposed on the door frame and the door body. The control unit 150 is connected to the electronic door lock 130, the door opening and closing sensing device 110, and the communication module 170. Specifically, the door opening and closing sensing device 110 may include two parts, one part is disposed on the door frame, the other part is disposed on the door body, and the control unit 150 is specifically a component connected to the door opening and closing sensing device 110 and disposed on the door body.
The door frame, namely the door pocket, is an outer frame of the door body and can protect the door body; one side of the door body can be fixed on the door frame through a hinge or a hinge, the other side of the door body can move to a position close to and opposite to the door frame, so that the door body and the door frame are in the same plane, the door body is in a door closing state at the moment, the other side of the door body can also be separated from the door frame to form a certain angle, the plane of the door body and the plane of the door frame form an included angle, and the door body.
The door opening and closing sensing device 110 is a device for detecting the opening and closing state of the door body; the electronic door lock 130 is a device capable of unlocking and locking through electric control, specifically, a lock hole is formed in the door frame at a position opposite to the position where the electronic door lock 130 is installed on the door body, and the electronic door lock 130 is used in cooperation with the lock hole.
Specifically, the door opening and closing sensing device 110 sends or does not send a sensing signal to the control unit 150 according to the door opening and closing state of the door body. For example, the sensing signal may be transmitted when the door is closed, and the sensing signal may not be transmitted when the door is opened. The control unit 150 collects the door lock switch state information of the electronic door lock 130, judges whether the electronic door lock 130 is illegally unlocked according to the door lock switch state information when the sensing signal is not received, and transmits an illegal unlocking alarm message to the user terminal through the communication module 170 when the electronic door lock 130 is illegally unlocked. The door lock switch state information includes unlocking information indicating that the electronic door lock 130 is unlocked and locking information indicating that the electronic door lock 130 is locked. The illegal unlocking means that the door body is opened in a mode of abnormally controlling the electronic door lock 130 to unlock; the illegal unlocking warning information is used for prompting that illegal unlocking exists and the door body is opened abnormally.
Specifically, the control unit 150 may monitor and determine whether to unlock illegally in real time, for example, the control unit 150 monitors whether to receive the sensing signal in real time, and analyzes whether to unlock illegally according to the collected door lock switch state information when not receiving the sensing signal.
According to the intelligent door lock, the door opening and closing state of the door body is detected by the door opening and closing sensing device 110 to send or not send a sensing signal, the control unit 150 judges whether the electronic door lock 130 is illegally unlocked or not according to the collected door lock opening and closing state information of the electronic door lock 130 when the sensing signal is not received, and sends illegal unlocking alarm information through the communication module 170 to inform the user terminal when the electronic door lock is illegally unlocked, so that the user terminal can timely acquire illegal unlocking information, and therefore a user can timely find the illegal unlocking condition by looking over the user terminal, and the safety of the door lock is improved.
In one embodiment, the door opening and closing sensing device 110 does not send a sensing signal when the door body opens the door, the control unit 150 collects the door lock opening and closing state information of the electronic door lock 130 when the sensing signal is not received, and if the door lock opening and closing state information is the locking information, the electronic door lock 130 is illegally unlocked. Specifically, the door opening and closing sensing device 110 sends a sensing signal when the door body is closed, and the control unit 150 may not collect the door opening and closing state information of the electronic door lock 130 when receiving the sensing signal.
Under the condition of normal unlocking, when the electronic door lock 130 is in the unlocked state, the door body is opened, and when the electronic door lock 130 is in the locked state, the door body is closed. If the electronic door lock 130 is illegally unlocked, the door body is opened without a program for controlling the electronic door lock 130 to be unlocked, that is, the door body is opened, and the electronic door lock 130 is in a locked state. Whether the induction signal and the door lock opening and closing state information are received or not is analyzed in a combined mode through the control unit 150, if the induction signal is not received, the door body is opened, analysis is conducted according to the door lock opening and closing state information at the moment, if the electronic door lock 130 is locked, the current situation is that the door body is opened and the electronic door lock 130 is locked, and the control unit 150 obtains a judgment result of illegal unlocking of the electronic door lock 130; therefore, whether the lock is illegally unlocked can be accurately analyzed.
In one embodiment, the door opening and closing sensing device 110 includes a magnet disposed on the door frame and a magnetic sensor disposed on the door body opposite to the magnet and connected to the control unit 150. The magnetic sensor senses the magnet and transmits a sensing signal to the control unit 150 when the door body is closed, and does not transmit a sensing signal when the door body is opened.
When the door body is closed, the door body is close to the door frame, so that the magnetic sensor on the door body is close to the magnet on the door frame, can sense the magnetic field generated by the magnet and sends a sensing signal under the action of the magnetic field; when the door body opens, the magnetic sensor on the door body cannot sense the magnetic field of the magnet, so that no sensing signal is sent. The device for detecting the door opening and closing state of the door body is formed by the magnet and the magnetic sensor, and is simple and efficient.
Specifically, the magnet can be a permanent magnet, so that magnetism cannot be lost, and stability of door opening and closing state detection of the door body can be ensured.
In one embodiment, referring to fig. 2, the magnetic sensor is a hall switch hall, and the sensing signal comprises a pulse. Specifically, the hall switch hall is connected with the control unit 150 to form a loop; the control unit 150 sends a pulse to the hall switch hall, and the hall switch hall is conducted due to the induction magnet when the door body is closed, and returns the pulse to the control unit 150; the Hall switch hall is disconnected when the door body opens, and does not return pulse.
Correspondingly, the control unit 150 detects the state of the hall switch hall and the electronic door lock 130 to determine whether the lock is illegally unlocked. If the control unit 150 receives a pulse returned by the hall switch hall, the hall switch hall is turned on, and the door body is closed; if the control unit 150 does not receive the pulse returned by the hall switch hall, it indicates that the hall switch hall is turned off and the door body is opened, the control unit 150 collects the door lock switch state information of the electronic door lock 130, and if the door lock switch state information is the lock closing information, it determines that the unlocking behavior is illegal unlocking. The hall switch hall is matched with the magnet to detect the door opening and closing state of the door body, so that the detection is simple and efficient.
In one embodiment, the electronic door lock 130 includes a mechanical lock body disposed on the door body and an electronic control assembly connected to the mechanical lock body and the control unit 150. Wherein, the electronic control subassembly is used for controlling mechanical lock body unblank and closes the lock to can feed back lock switch state information and send to the control unit 150, so, can possess mechanical lock body's security and electronic control's convenience. Specifically, the control unit 150 may send a status request to the electronic control assembly, and the electronic control assembly feeds back door lock switch status information to the control unit 150 in response to the status request.
In one embodiment, as shown in fig. 2, the electronic control assembly includes a motor (not shown) connected to the mechanical lock (not shown) and the motor control module, and a motor control module connected to the control unit 150. The motor is used for driving the mechanical lock body to unlock and lock, and the motor control module is used for controlling the operation of the motor, feeding back the state information of the door lock switch and sending the state information to the control unit 150.
In one embodiment, the control unit 150 is further configured to send an unlocking and locking control signal to the motor control module, and the motor control module controls the motor to open or close the mechanical lock body according to the unlocking and locking control signal. That is, the control unit 150 can control unlocking and locking without using a key by a user, and is highly convenient. Specifically, the locking and unlocking control signal comprises an unlocking control signal and a locking control signal, wherein the unlocking control signal is used for controlling unlocking, and the locking control signal is used for controlling locking.
Specifically, the control unit 150 may control unlocking according to a password. For example, the control unit 150 may further be connected to a password input device or a biometric characteristic collector, perform identification and verification according to the input password or biometric characteristic, and send an unlocking control signal to the motor control module if the verification is passed. Further, the biological characteristic collector may include any one of a fingerprint collector, a face collector, and an iris collector.
In one embodiment, as shown in fig. 2, the control Unit 150 may be an MCU (Microcontroller Unit micro control Unit), which has high integration and small volume.
In one embodiment, the communication module 170 includes a wireless communication module, which is connected to the control unit 150 and wirelessly communicates with the user terminal. Through adopting wireless communication module, can realize wireless transmission, convenient to use.
Specifically, the wireless communication module is directly connected with the internet, and illegal unlocking warning information can be synchronized to an APP (Application) of the user terminal in real time. So, need not avoid the time delay through the information transfer, the condition of illegal unblanking is in time known to the user of being convenient for.
In one embodiment, the wireless communication module is a wireless communication module with a function of making a call; and the wireless communication module forwards the illegal unlocking warning information to the user terminal when receiving the illegal unlocking warning information, and dials a call to a user receiving end.
The user receiving end is a user using device which can receive calls. The user receiving end and the user terminal may be the same device, such as a mobile phone used by the user, or different devices, such as a tablet, and the user receiving end may be a mobile phone used by the user.
The wireless communication Module with the function of making a call can be a Module comprising an SIM card and a wireless communication chip, and the function of making a call is realized through an SIM (Subscriber Identity Module) card. For example, the wireless communication module may be a 4G module provided with a SIM card.
By adopting the wireless communication module with the function of dialing, when illegal unlocking is detected, the control unit 150 sends illegal unlocking alarm information to the wireless communication module, the illegal unlocking alarm information is reported to the user terminal through the wireless communication module, and the wireless communication module also directly dials a telephone to the user receiving end, so that the abnormal condition in the home of the user can be rapidly notified, and the method is direct and efficient, and is convenient for the user to stop damage in time.
In one embodiment, a security system is provided, which includes a user terminal and the aforementioned intelligent door lock, where the intelligent door lock is in communication connection with the user terminal. Specifically, the devices included in the intelligent door lock and the functions implemented by the intelligent door lock may be referred to the description of the intelligent door lock, which is not described herein again.
Above-mentioned security protection system owing to adopted aforementioned intelligent lock, the same reason can make the user in time discover the condition of illegal unblanking, strengthens safety protection.
In the description herein, references to the description of "some embodiments," "other embodiments," "desired embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, a schematic description of the above terminology may not necessarily refer to the same embodiment or example.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An intelligent door lock, comprising: the electronic door lock, the control unit and the communication module are arranged on a door body, and the door opening and closing induction device is arranged on a door frame and the door body; the control unit is connected with the electronic door lock, the door opening and closing sensing device and the communication module;
the door opening and closing sensing device sends or does not send a sensing signal to the control unit according to the door opening and closing state of the door body, the control unit collects door lock opening and closing state information of the electronic door lock, judges whether the electronic door lock is illegally unlocked according to the door lock opening and closing state information when the sensing signal is not received, and sends illegal unlocking alarm information to a user terminal through the communication module when the electronic door lock is illegally unlocked.
2. The intelligent door lock according to claim 1, wherein the door opening and closing sensing device does not send the sensing signal when the door body opens the door, the control unit collects door lock opening and closing state information of the electronic door lock when the sensing signal is not received, and if the door lock opening and closing state information is locking information, the electronic door lock is unlocked illegally.
3. The intelligent door lock according to claim 1, wherein the door opening and closing sensing device comprises a magnet and a magnetic sensor, the magnet is arranged on the door frame, and the magnetic sensor is arranged on the door body at a position opposite to the magnet and is connected with the control unit;
the magnetic sensor senses the magnet and sends the sensing signal to the control unit when the door body is closed, and the magnetic sensor does not send the sensing signal when the door body is opened.
4. The intelligent door lock of claim 3, wherein the magnetic sensor is a Hall switch and the sensing signal comprises a pulse;
the control unit sends a pulse to the Hall switch, the Hall switch is conducted when the door body is closed, and the pulse is returned to the control unit; the Hall switch is disconnected when the door body opens, and does not return to pulse.
5. The intelligent door lock of claim 1, wherein the electronic door lock comprises a mechanical lock body arranged on the door body and an electronic control assembly, and the electronic control assembly is connected with the mechanical lock body and the control unit.
6. The intelligent door lock of claim 5, wherein the electronic control assembly comprises a motor and a motor control module, the motor is connected to the mechanical lock body and the motor control module, and the motor control module is connected to the control unit.
7. The intelligent door lock of claim 6, wherein the control unit is further configured to send an on-off lock control signal to the motor control module, and the motor control module controls the motor to open or close the mechanical lock body according to the on-off lock control signal.
8. The intelligent door lock according to any one of claims 1-7, wherein the communication module comprises a wireless communication module, and the wireless communication module is connected with the control unit and wirelessly communicates with the user terminal.
9. The intelligent door lock according to claim 8, wherein the wireless communication module is a wireless communication module with a function of making a phone call; and the wireless communication module forwards the illegal unlocking warning information to the user terminal when receiving the illegal unlocking warning information, and dials a call to a user receiving end.
10. A security system, comprising a user terminal and the intelligent door lock of any one of claims 1 to 9, wherein the intelligent door lock is in communication connection with the user terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887308.8A CN112144972A (en) | 2020-08-28 | 2020-08-28 | Intelligent door lock and security system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010887308.8A CN112144972A (en) | 2020-08-28 | 2020-08-28 | Intelligent door lock and security system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112144972A true CN112144972A (en) | 2020-12-29 |
Family
ID=73890904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010887308.8A Pending CN112144972A (en) | 2020-08-28 | 2020-08-28 | Intelligent door lock and security system |
Country Status (1)
| Country | Link |
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| CN (1) | CN112144972A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112907787A (en) * | 2021-01-19 | 2021-06-04 | 陈建珍 | Intelligent lock applying sensor electronic technology and use method thereof |
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| CN206859874U (en) * | 2017-06-28 | 2018-01-09 | 四川金网通电子科技有限公司 | Door lock state detects prompt system |
| DE102018121245A1 (en) * | 2018-08-30 | 2020-03-05 | ABUS August Bremicker Söhne KG | Two-wheel lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2523881Y (en) * | 2002-03-04 | 2002-12-04 | 向敏 | Devices for alarm locks |
| CN202047672U (en) * | 2011-04-29 | 2011-11-23 | 杭州盾威信息技术有限公司 | Intelligent system for realizing burglary resistance with top and bottom lock |
| CN102720403A (en) * | 2012-05-21 | 2012-10-10 | 蒋建民 | GSM (Global System of Mobile communication) intelligent electric door lock |
| CN206859874U (en) * | 2017-06-28 | 2018-01-09 | 四川金网通电子科技有限公司 | Door lock state detects prompt system |
| DE102018121245A1 (en) * | 2018-08-30 | 2020-03-05 | ABUS August Bremicker Söhne KG | Two-wheel lock |
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| CN112907787A (en) * | 2021-01-19 | 2021-06-04 | 陈建珍 | Intelligent lock applying sensor electronic technology and use method thereof |
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