Control Method of Intelligent Door Lock

Abstract

The present invention discloses a control method for an intelligent door lock, which is capable of performing biometric detection on a user within a preset detection range, including detecting whether the user leaves the detection range after the user locks the door; when it is detected that the user does not leave the detection range, biometric detection is not started.

Description

Technical Field

[0001] The present invention relates to the field of intelligent door locks, and particularly to a control method for an intelligent door lock. Background Art

[0002] With the progress of technology and the improvement of people's living standards, more and more products use biometric detection systems for identity verification and security detection. For example, currently, there are intelligent door locks that use fingerprint or face recognition. After detecting the user's fingerprint or face features, they are identified and compared to complete identity verification. Compared with traditional door locks, intelligent door locks with biometric detection functions have better security and user experience. However, existing intelligent door locks cannot determine whether the user is locking the door to leave or unlocking the door to enter, and it is easy to have the operation of accidentally unlocking the door after the user locks the door, resulting in a poor user experience. Summary of the Invention

[0003] In view of this, the present invention provides a control method for an intelligent door lock that can prevent accidental unlocking operations.

[0004] One aspect of the present application provides a control method for an intelligent door lock. The intelligent door lock can perform biometric detection on a user located within a preset detection range. The control method of the intelligent door lock includes:

[0005] After the user locks the door, detect whether the user leaves the detection range;

[0006] When it is detected that the user has not left the detection range, do not start biometric detection.

[0007] In some embodiments, detecting whether the user leaves the detection range includes: detecting whether the user is within the detection range at each preset period. When the user is not within the detection range, it means that the user has left the detection range.

[0008] In some embodiments, the control method of the intelligent door lock further includes: when it is detected that the user leaves the detection range and then enters the detection range again, start biometric detection.

[0009] In some embodiments, the detection range is a spatial range of 0 to 1 meter, 0 to 2 meters, 0 to 3 meters, 0 to 4 meters, or 0 to 5 meters from the intelligent door lock.

[0010] In some embodiments, the intelligent door lock includes a detection unit for detecting whether the user is within the detection range. The detection unit includes a transmitter and a receiver. The transmitter emits a detection signal, and the receiver receives the detection signal returned by the user. The detection unit determines whether the user is within the detection range based on the detection signal returned by the user.

[0011] In some embodiments, the transmitter emits a detection signal at a preset period. If the receiver receives the detection signal returned by the user within the detection range in each preset period time length, it is determined that the user is within the detection range and has not left.

[0012] In some embodiments, the preset period is any time length between 0 and 30 seconds.

[0013] In some embodiments, the detection signal is infrared light, near-infrared light or ultrasonic wave.

[0014] In some embodiments, it further includes: when the biometric detection result passes, the intelligent door lock opens; when the biometric detection result fails, the intelligent door lock does not open.

[0015] In some embodiments, biometric detection includes obtaining the biometric image information of the user, comparing the features of the biometric image information with the pre-stored biometric image data. If the features match, the biometric detection passes; otherwise, the biometric detection fails.

[0016] In some embodiments, when it is detected that the user has not left the detection range within the preset time, biometric detection is not started; after the preset time has passed, if it is detected that the user is within the detection range, biometric detection is started.

[0017] In some embodiments, the biometric detection includes: face feature detection.

[0018] The beneficial effect of this application is that after the user locks the door, by detecting whether the user leaves the detection range of the intelligent door lock, if it is not detected that the user leaves the detection range, biometric detection will not be started, effectively avoiding misoperations of the intelligent door lock and providing a better user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of an intelligent door lock of this application, and the intelligent door lock is installed on the door body;

[0020] Figure 2 is Figure 1 the block structure schematic diagram of the intelligent door lock shown in

[0021] Figure 3 is a schematic flowchart of an embodiment of a control method of an intelligent door lock of this application. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] In the specific description of the embodiments of the present invention, it should be understood that when a substrate, sheet, layer or pattern is referred to as "on" or "under" another substrate, another sheet, another layer or another pattern, it can be "directly" or "indirectly" on another substrate, another sheet, another layer or another pattern, or there can also be one or more intermediate layers. For the purpose of clarity, the thickness and size of each layer in the accompanying drawings of the specification may be exaggerated, omitted or schematically represented. In addition, the size of the elements in the drawings does not fully reflect the actual size.

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Further, the described features and structures can be combined in one or more embodiments in any suitable manner.

[0025] In the following description, many specific details are provided to enable a full understanding of the embodiments of the present application. However, those skilled in the art should realize that even without one or more of the specific details, or by using other structures, components, etc., the technical solutions of the present application can be practiced. In other cases, well-known structures or operations are not shown or described in detail to avoid obscuring the key points of the present application.

[0026] Please refer to Figure 1 , which is a schematic diagram of an intelligent door lock 10 of the present application installed on a door body 1. The intelligent door lock 10 can be used to detect biometric information of a user 1000, such as: face feature information, iris feature information, fingerprint feature information, etc.

[0027] Please also refer to Figure 2 , the intelligent door lock 10 includes a biometric detection module 12, a detection unit 11 and a control unit 13. Optionally, in some embodiments, the control unit 12 is respectively connected to the detection unit 11 and the biometric detection module 12. The detection unit 10 can detect whether the user 1000 approaches the door body 1. When it detects that the user 1000 approaches the door body 1, the control unit 13 controls the biometric detection module 12 to start biometric detection of the user 1000, and can verify the identity of the user 1000 according to the biometric detection result. When the identity verification is passed, it can control the door body 1 to unlock.

[0028] Optionally, in some embodiments, the detection unit 11 is capable of detecting whether the user 1000 is within the detection range or whether the user has left the detection range. The control unit 13 controls the biometric detection module 12 to operate according to the detection result of the detection unit 11. The detection range may be at least a partial spatial range at a preset distance from the door body 1 or the intelligent door lock 10. For example, but not limited to, the detection range may be a range directly facing the door body 1 or the intelligent door lock 10 and at a distance of 0 to 1 meter, 0 to 2 meters, 0 to 3 meters, 0 to 4 meters, 0 to 5 meters, or any other appropriate distance. Generally, when the detection unit 11 detects that the user enters the detection range from the outside, the control unit 13 controls the biometric detection module 12 to start operating. The biometric detection module 12 performs biometric detection and identification on the user within the detection range. When the biometric detection result passes, the intelligent door lock 10 opens, and the user can manually open the door body 1. When the biometric detection result fails, the intelligent door lock 10 closes, and the user cannot open the door body 1. Optionally, in some embodiments, when the biometric detection result passes, the intelligent door lock 10 can control the mechanical door lock of the door body 1 to open.

[0029] Optionally, in some embodiments, the intelligent door lock 10 can be used to detect and identify the biometric information of the user 1000 and verify whether the identity of the user 1000 is legal. After the user 1000 passes the biometric detection and identification of the intelligent door lock 10, the user can manually open the mechanical door lock of the door body 1. In some other embodiments, the intelligent door lock 10 can control the mechanical door lock of the door body 1 to open through an electric structure. And in some other embodiments, the door body 1 includes an electronic lock. After the user 1000 passes the biometric detection and identification of the intelligent door lock 10, the intelligent door lock 10 can open the electronic lock of the door body 1. It can be understood that the intelligent door lock 10 can be used to perform biometric detection and identification on the user 1000 and can be used to verify the identity of the user 1000. Therefore, the intelligent door lock 10 can be used in various different scenarios and applications such as factories, communities, families, theaters, cinemas, museums, hospitals, banks, private lockers, safes, etc., to achieve user identity recognition and verification through biometric detection. Although in the embodiments, the intelligent door lock 10 is described by taking it as installed on the door body 1 as an example, the present application is not limited thereto.

[0030] Optionally, in some embodiments, the biometric detection module 12 or the intelligent door lock 10 may pre-store the biometric data of the user 1000. The intelligent door lock 10 compares the biometric information of the user 1000 collected by the biometric detection module 12 with the pre-stored biometric data. When the feature comparison reaches a preset matching degree, it indicates that the biometric detection is passed. Otherwise, it indicates that the biometric detection fails. Additionally, it can be understood that when the mechanical door lock of the door body 1 is in an open state, the biometric detection module 12 of the intelligent door lock 10 does not work. For example but not limited to, the biometric data may include face image data, fingerprint image data, etc.

[0031] Optionally, in some embodiments, the detection unit 11 includes a transmitter 111 and a receiver 112. The transmitter 111 is configured to transmit a detection signal 101. When the user 1000 approaches the door body 1 or the intelligent door lock 10, the detection signal 101 can reach the external object 1000 and return. The receiver 112 is configured to receive the detection signal 101 returned by the user 1000 and generate a corresponding first distance signal. When the first distance signal indicates that the user 1000 is within the detection range, the control unit 13 may control the biometric detection module 12 to be turned on for biometric detection, such as but not limited to, collecting and recognizing the face features of the user. When the first distance signal indicates that the user 1000 is not within the detection range, or when the receiver 112 fails to receive the detection signal 101 returned by the user 1000, the biometric detection module 12 does not work. Optionally, in some embodiments. The detection signal 101 may be infrared light or near-infrared light, the transmitter 111 may be an infrared emitting diode, and the receiver 112 may be an infrared receiving diode. The transmitter 111 and the receiver 112 may be integrated in one chip or separately provided in different chips. Of course, optionally, in some embodiments, the detection signal 101 may be ultrasonic wave, the transmitter 111 may be an ultrasonic transmitter, and the receiver 112 may be an ultrasonic receiver.

[0032] Optionally, in some embodiments, the biometric detection module 12 includes a light-emitting unit 121 and an imaging unit 122. The light-emitting unit 121 is configured to emit an imaging light beam 102, and the imaging unit 122 is configured to receive the imaging light beam 102 returned by the user 1000 and convert it into an electrical signal. The imaging light beam 102 returned by the user 1000 includes, but is not limited to, the imaging light beam 102 emitted by the light-emitting unit 121 that is reflected and / or transmitted by the user 1000 after reaching the user 1000. Optionally, in some embodiments, the light-emitting unit 121 includes or is a light-emitting diode (LED), a vertical-cavity surface-emitting laser (VCSEL), an edge-emitting laser (EEL), or any other suitable light-emitting element. Optionally, in some embodiments, the imaging light beam 102 may be infrared light or near-infrared light. Optionally, in some embodiments, the imaging unit 122 may include an image sensor. The imaging unit 122 receives the imaging light beam 102 and converts it into an electrical signal, and the electrical signal may be used to generate a biometric image of the user 1000, such as a face image or a fingerprint image of the user 1000. Further, the imaging light beam 102 may use floodlight, structured light, or any other suitable patterned light beam to collect two-dimensional and / or three-dimensional biometric information of the user 1000. The biometric detection module 12 may be used for detecting and identifying two-dimensional and / or three-dimensional biometric information of the user 1000.

[0033] After the user 1000 manually closes the door lock of the door body 1 (i.e., after the user 1000 locks the door), obviously, at this time, the user 1000 is within the detection range of the intelligent door lock 10. The detection unit 11 operates and detects whether the user 1000 leaves the detection range. When it is not detected that the user 1000 leaves the detection range (the user 1000 is not within the detection range), the biometric detection module 12 does not initiate biometric detection. When it is detected that the user leaves the detection range and then it is detected that the user enters the detection range, the biometric detection module 12 initiates biometric detection. Optionally, in some embodiments, the transmitter 111 may preset a period to emit a detection signal 101. If the receiver 112 receives the detection signal 101 returned by the user 1000 within the detection range in each cycle time length, it is determined that the user 1000 is within the detection range and has not left. At this time, the control unit 13 does not control the biometric detection module 12 to turn on.

[0034] When user 1000 enters the detection range from the outside or re - enters the detection range after leaving the detection range, the receiver 112 of the detection unit 11 receives the detection signal 101 returned by user 1000 located within the detection range and generates a corresponding first distance signal. The control unit 13 controls the biometric detection module 12 to turn on according to the first distance signal for biometric detection. For example but not limited to, face detection and recognition of user 1000 are performed. It can be understood that since the detection signal 101 is emitted from the transmitter 111, reaches user 1000, and then returns to be received by the receiver 112 to generate the first distance signal, the magnitude (or strength) of the first distance signal is associated with the distance between user 1000 and the intelligent door lock 10 or the door body 1. According to the first distance signal, the control unit 13 can control the biometric detection module 12 to work, or the control unit 13 can control the biometric detection module 12 to stop working. Optionally, in some embodiments, the control unit 13 can be a control circuit, a microprocessor, a microcontroller, etc., or the control unit 13 can include an executable logic program. Those skilled in the art can understand that the present application does not limit this.

[0035] It can be understood that after user 1000 manually closes the door lock of door body 1, they may not immediately leave the detection range of the intelligent door lock 10. At this time, the detection unit 11 detects whether the user leaves the detection range, and does not start biometric detection and recognition when user 1000 has not left the detection range, thereby effectively preventing user 1000 from just locking the door and then opening the intelligent door lock 10 through biometric detection.

[0036] Please refer to Figure 3 , which is a schematic flowchart of an embodiment of a control method for an intelligent door lock of the present application. The control method of the intelligent door lock can be used for the intelligent door lock 10 in the embodiments of the present application.

[0037] The control method of the intelligent door lock includes:

[0038] Step S1: After the user locks the door, detect whether the user leaves the detection range;

[0039] Step S2: When it is detected that the user has not left the detection range, do not start biometric detection;

[0040] Step S3: When it is detected that the user leaves the detection range and then enters the detection range again, start biometric detection.

[0041] Optionally, in some embodiments, detecting whether the user has left the detection range in step S1 includes: detecting whether the user is within the detection range once every preset period. When the user is not within the detection range, it indicates that the user has left the detection range. Further, the preset period can be 1 second. Correspondingly, it is detected once every 1 second whether the user has left the detection range. Of course, the preset period can be 0.5 second, 1 second, 1.5 seconds, 2 seconds, or any time length between 0 and 30 seconds, which is not limited in this application.

[0042] Optionally, in some embodiments, when the smart door lock detects that the user has not left the detection range within a preset time, it will not initiate biometric detection. After exceeding the preset time, if it is detected that the user is within the detection range, biometric detection is enabled. The preset time can be 3 minutes, 4 minutes, 5 minutes, or any suitable time.

[0043] Optionally, in some embodiments, the detection range is a partial space range with a preset distance from the smart door lock. Further, the detection range can be a partial space range at a distance of 0 to 1 meter, 0 to 2 meters, 0 to 3 meters, 0 to 4 meters, 0 to 5 meters, or any other suitable distance from the smart door lock.

[0044] Optionally, in some embodiments, the smart door lock includes a detection unit for detecting whether the user is within the detection range. The detection unit includes a transmitter and a receiver. The transmitter emits a detection signal, and the receiver receives the detection signal returned by the user. The detection unit determines whether the user is within the detection range based on the detection signal returned by the user. The transmitter emits a detection signal once every preset period to detect whether the user is within the detection range once every preset period. If the receiver continuously receives the detection signal returned by the user within the detection range during each preset period time length, it is determined that the user is within the detection range and has not left. Optionally, in some other embodiments, if the receiver does not receive the detection signal returned by the user within the detection range for 1, 2, 3, or any suitable number of preset period time lengths in a row, it is determined that the user has left the detection range.

[0045] Through the control method of the smart door lock of this application, it can be determined whether the user needs to lock the door and leave or unlock the door, thus avoiding the mis-unlocking action when the user locks the door but has not left the detection range. The control method of the smart door lock of this application and the smart door lock adopting the control method have a better user experience.

[0046] The present application further provides an electronic device, including at least one processor and at least one memory communicatively connected to the processor. At least one instruction, at least one program, code or instruction set is stored in the memory, and the at least one instruction, at least one program, code or instruction set is loaded and executed by the processor to implement the control method of the intelligent door lock in the above embodiments.

[0047] It should be noted that those skilled in the art can understand that, without creative efforts, some or all of the embodiments of the present invention, as well as the deformations, substitutions, changes, splits, combinations, expansions, etc. of some or all of the embodiments, should be considered to be covered by the inventive concept of the present invention and belong to the protection scope of the present invention.

[0048] In the present application, any reference to "one embodiment", "embodiment", "example embodiment", etc. means that the specific features, structures or characteristics described in connection with the embodiment are included in at least one embodiment of the present invention. Such phrases appearing in different positions in this specification do not necessarily all refer to the same embodiment. Additionally, when a specific feature or structure is described in connection with any embodiment, it is claimed that it is within the technical scope of those skilled in the art to implement such feature or structure in other embodiments in combination with these embodiments.

[0049] In the description of the present invention, the orientation or positional relationship indicated by terms such as "length", "width", "upper", "lower", "left", "right", "front", "rear", "back", "front", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation to the present invention. Similar reference numerals and letters denote similar items in the drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. At the same time, in the description of the present invention, terms such as "first", "second", etc. are only used for distinguishing descriptions and cannot be construed as indicating or implying relative importance. In the description of the present invention, the meaning of "multiple" or "a plurality of" is at least two or two, unless otherwise specifically defined. In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, "arranged", "installed", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0050] As described above, it is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention can easily think of changes or substitutions, which should all be covered within the protection scope of the present invention. The terms used in the claims should not be construed as limiting the invention to the specific embodiments disclosed in this specification. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A control method for an intelligent door lock, the intelligent door lock being capable of performing biometric detection on a user within a preset detection range. Characterized in that, The control method for the intelligent door lock includes: After the user locks the door, detecting whether the user leaves the detection range; When it is detected that the user has not left the detection range, biometric detection is not started; wherein, The intelligent door lock includes a detection unit and a biometric detection module. The detection unit is used to detect whether the user is within the detection range, and the biometric detection module is used to perform biometric detection on the user and verify the user's identity according to the biometric detection result. After the user locks the door, the detection unit detects whether the user leaves the detection range.

2. The control method for the intelligent door lock according to claim 1, Characterized in that, Detecting whether the user leaves the detection range includes: detecting whether the user is within the detection range at preset intervals. When the user is not within the detection range, it means that the user has left the detection range.

3. The control method for the intelligent door lock according to claim 1, Characterized in that, The control method for the intelligent door lock further includes: when it is detected that the user enters the detection range again after leaving the detection range, starting biometric detection.

4. The control method for the intelligent door lock according to claim 3, Characterized in that, The detection range is a spatial range of 0 to 1 meter, 0 to 2 meters, 0 to 3 meters, 0 to 4 meters, 0 to 5 meters from the intelligent door lock.

5. The control method for the intelligent door lock according to claim 1, Characterized in that, The detection unit includes a transmitter and a receiver. The transmitter emits a detection signal, and the receiver receives the detection signal returned by the user. The detection unit determines whether the user is within the detection range according to the detection signal returned by the user.

6. The control method for the intelligent door lock according to claim 5, Characterized in that, The transmitter emits a detection signal at a preset interval. If the receiver receives the detection signal returned by the user within the detection range at each preset interval time length, it is determined that the user is within the detection range and has not left.

7. The control method for the intelligent door lock according to claim 6, Characterized in that, The preset interval is any time length between 0 and 30 seconds.

8. The control method for the intelligent door lock according to claim 5, Characterized in that, The detection signal is infrared light or near-infrared light or ultrasonic wave.

9. The control method for the intelligent door lock according to claim 1, Characterized in that, Further including: When the biometric detection result passes, the intelligent door lock is opened; When the biometric detection result fails, the intelligent door lock is not opened.

10. The control method for the intelligent door lock according to claim 1, Characterized in that, Biometric detection includes obtaining the biometric image information of the user, comparing the biometric image information with the pre-stored biometric image data. If the feature matching is successful, the biometric detection passes; otherwise, the biometric detection fails.

11. The control method for the intelligent door lock according to claim 1, Characterized in that, When it is detected that the user has not left the detection range within the preset time, biometric detection is not started; after the preset time has elapsed, if it is detected that the user is within the detection range, biometric detection is enabled.

12. The control method of the intelligent door lock according to claim 1, characterized in that the biometric detection includes: face feature detection.

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