CN106780912B - Intelligent door lock and control method thereof - Google Patents
Intelligent door lock and control method thereof Download PDFInfo
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- CN106780912B CN106780912B CN201611262248.0A CN201611262248A CN106780912B CN 106780912 B CN106780912 B CN 106780912B CN 201611262248 A CN201611262248 A CN 201611262248A CN 106780912 B CN106780912 B CN 106780912B
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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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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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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
- E05B2047/0057—Feeding
Abstract
The invention discloses an intelligent door lock and a control method thereof, relates to the technical field of door locks, solves the problems of instability and insecurity of the existing door lock caused by the power supply of an internal battery and an external power supply, performs electric energy conversion and utilization through the heat of a user, combines multiple characteristic identifications, greatly improves the practicability and the safety of the door lock, and is convenient and safe. The main technical scheme of the invention is as follows: the intelligent door lock of the invention comprises: the thermoelectric conversion module is used for acquiring heat energy generated by touch action, converting the heat energy into electric energy and supplying power to the characteristic identification unit; at least one characteristic identification unit, which receives the characteristic identification request and compares the characteristic identification request with the pre-stored characteristic identification information; and the unlocking module is used for determining whether to unlock the intelligent door lock based on the comparison operation result.
Description
Technical Field
The invention relates to the technical field of door locks, in particular to an intelligent door lock and a control method thereof.
Background
At present, security products related to smart homes increasingly go deep into daily life of people, and the smart door lock has the characteristics of convenience in use, safety and the like as a novel product. The existing door lock in the market generally adopts the traditional mechanical key unlocking mode, the IC card unlocking mode, the fingerprint unlocking mode or the iris unlocking mode and the like in the unlocking mode, and also adopts the wireless decoding unlocking mode and the password unlocking mode in the product. For unlocking modes except for unlocking by a mechanical key, generally, a circuit structure needs to be added on a door lock, and power needs to be supplied to the circuit structure, for example, an external power supply or a built-in battery is used for the operation of the circuit structure, but when power failure or the battery runs out, the intelligent door lock fails or cannot be opened, so that the problems of instability and insecurity exist, and great limitation is generated on the industrial popularization of the intelligent door lock.
In addition, for the door lock which adopts a single unlocking mode, such as unlocking by a fingerprint or unlocking by a password, once the single mechanism is broken, the door lock is directly disabled, and therefore, the safety is also problematic.
Therefore, there is an urgent need in the art for an intelligent door lock and a control method thereof, which can implement self-power-supply authentication and are safe and stable.
Disclosure of Invention
The invention aims to provide an intelligent door lock, which can realize verification and opening and closing control of the door lock by collecting and utilizing electric energy through the body temperature of a user without any internal and external power supply when the door lock is opened and closed, thereby greatly improving the practicability and safety of the door lock;
the invention also aims to provide a control method of the intelligent door lock, which does not need any internal and external power supply, is convenient and safe and greatly improves the user experience.
According to an aspect of an embodiment of the present invention, there is provided an intelligent door lock, including:
the thermoelectric conversion module is used for acquiring heat energy generated by touch action, converting the heat energy into electric energy and supplying power to the characteristic identification unit;
at least one characteristic identification unit, which receives the characteristic identification request and compares the characteristic identification request with the pre-stored characteristic identification information;
and the unlocking module is used for determining whether to unlock the intelligent door lock based on the comparison operation result.
Furthermore, the thermoelectric conversion module comprises a thermoelectric conversion film arranged on the intelligent door lock, the thermoelectric conversion film acquires heat energy generated by touch action and converts the heat energy into electric energy, and the generated induced current sequentially passes through the energy storage voltage stabilizing circuit and the booster circuit to supply power to the at least one feature identification unit.
Further, at least one feature recognition unit includes bluetooth identification module and iris recognition module, intelligence lock still includes: the data storage module is used for storing Bluetooth binding information and iris sample information; and
the Bluetooth identification module is used for carrying out Bluetooth broadcasting, receiving a Bluetooth pairing request sent from a mobile terminal, completing Bluetooth binding of the mobile terminal, storing the Bluetooth binding information in the data storage module, and
the mobile terminal is also used for receiving a Bluetooth authentication request sent by a mobile terminal, carrying out comparison operation according to Bluetooth binding information stored by the data storage module, and sending a starting signal to the iris identification module under the condition that the Bluetooth authentication request is matched with the prestored Bluetooth binding information;
and the iris identification module collects the iris sample information after receiving the opening signal or the reset request and performs comparison operation according to the iris sample information stored by the data storage module.
Further, the intelligent door lock still includes:
the mechanical key port is used as an auxiliary or standby unlocking mechanism;
and the reset module is used for sending a reset request to the iris recognition module, and clearing the Bluetooth binding information stored in the data storage module under the condition that the comparison operation of the iris recognition module is consistent, so that the intelligent door lock can be bound with other mobile terminals through Bluetooth.
Further, the intelligent door lock still includes: an iris verification shielding mechanism and a shielding module,
the shielding module is used for controlling the iris verification shielding mechanism to shield the iris identification module and opening the iris verification shielding mechanism when the iris identification module receives a starting signal or a reset request so that the iris identification module can carry out iris identification.
According to an aspect of an embodiment of the present invention, there is provided a method for controlling an intelligent door lock, wherein the intelligent door lock includes a thermoelectric conversion module and at least one feature recognition unit, including the steps of:
the thermoelectric conversion module is used for acquiring heat energy generated by touch action and converting the heat energy into electric energy, and supplying power to at least one characteristic identification unit;
receiving a characteristic identification request, and comparing the characteristic identification request with pre-stored characteristic identification information;
and determining whether to unlock the intelligent door lock based on the comparison operation result.
Further, the step of converting the obtained thermal energy into electrical energy by the thermoelectric conversion module and supplying power to at least one feature recognition unit comprises:
the heat energy generated by touch action is obtained and converted into electric energy through a thermoelectric conversion film arranged on the intelligent door lock, and the generated induced current sequentially passes through the energy storage voltage stabilizing circuit and the booster circuit to supply power to the at least one characteristic identification unit;
further, the at least one feature recognition unit includes:
password identification module, smart card identification module, bluetooth identification module, iris identification module, fingerprint identification module, voice recognition module or their combination.
Further, the feature identification unit comprises a bluetooth identification module and an iris identification module, and receives the feature identification request, and compares the feature identification request with the pre-stored feature identification information, and comprises:
the Bluetooth identification module receives a Bluetooth authentication request sent from a mobile terminal, performs comparison operation according to prestored Bluetooth binding information, and sends a starting signal to the iris identification module under the condition that the Bluetooth authentication request is matched with the prestored Bluetooth binding information;
the iris identification module receives the starting signal or the reset request, collects iris sample information and performs comparison operation according to prestored iris sample information.
The inventor of the invention finds that in the prior art, the intelligent door lock is powered by an internal battery or an external power supply, and if the battery runs out, the power failure and the like occur, the intelligent door lock fails, and the problems of instability and insecurity exist. Therefore, the technical task to be achieved or the technical problems to be solved by the present invention are never thought or anticipated by those skilled in the art, and therefore the present invention is a new technical solution. Meanwhile, by applying the technical scheme of the invention, when the door lock is opened and closed, any internal and external power supply is not needed, electric energy collection and utilization are carried out through the body temperature of a user, verification and power supply of opening and closing control of the door lock can be realized, multiple feature identifications are combined, the practicability and safety of the door lock are greatly improved, convenience and safety are realized, the user experience is improved, the safety of intelligent home is greatly improved, the realization cost is low, the operability is strong, and the market prospect is better.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic diagram of an example of an intelligent door lock provided by an embodiment of the invention
Fig. 2 is a structural block diagram of an intelligent door lock according to an embodiment of the present invention;
fig. 3 is a block diagram of another intelligent door lock according to an embodiment of the present invention;
FIG. 4 is a flow chart of thermoelectric conversion of a thermoelectric conversion film provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an intelligent door lock provided in an embodiment of the present invention;
fig. 6 is a flowchart of an intelligent door lock control method according to an embodiment of the present invention;
fig. 7 is a flowchart of another intelligent door lock control method according to an embodiment of the present invention;
fig. 8 is a flowchart of another intelligent door lock control method according to an embodiment of the present invention.
Fig. 9 is a flowchart of another intelligent door lock control method according to an embodiment of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In order to further explain the technical idea of the present invention, the technical solution of the present invention is now described with reference to specific application scenarios.
FIG. 1 is an example of an intelligent door lock according to an embodiment of the present invention. As shown in fig. 1, the intelligent door lock according to the embodiment of the present invention may be disposed in a door body 1, and the door body 1 is pivoted, for example, with a door frame (not shown) fixed to a wall (not shown) to be opened and closed. The door body can be provided with a door bolt arranged near the position of a handle in the middle of the door body or arranged at the top or the bottom, the mechanical key unlocking mechanism can be arranged on the door body, and in addition, the door body can be also provided with an intelligent door lock according to the embodiment of the invention. The mechanical key unlocking mechanism and the intelligent door lock are mechanically or electrically matched with the door bolt so as to open the door bolt. The keeper in this embodiment may be magnetically inductive, mechanically telescoping, or any manner of keeper that may be used for latching.
As shown in fig. 2, the intelligent door lock provided to the door body includes: a thermoelectric conversion module 201, at least one feature recognition unit 202, and an unlocking module 203.
The thermoelectric conversion module 201 is configured to obtain thermal energy generated by the touch action and convert the thermal energy into electric energy to supply power to the feature identification unit 202.
In one embodiment, the thermoelectric conversion module 201 may include, but is disposed on, a thermoelectric conversion film 211 on the smart door lock, referring to fig. 1, the thermoelectric conversion film 211 may be disposed on the door handle 2 of the door body, or may be disposed on a separate sensing area (not shown) disposed on the door body, the thermoelectric conversion film 201 obtains thermal energy generated by the touch action and converts the thermal energy into electrical energy, and the generated induced current sequentially passes through the energy storage voltage stabilizing circuit and the voltage boosting circuit to supply power to the at least one feature recognition unit 202.
When a user is ready to open the door, the thermoelectric conversion film can collect the temperature difference between the body temperature and the handle in the process of pressing the door handle by the user, so that weak electric energy is generated, and the generated induced current sequentially passes through the energy storage voltage stabilizing circuit and the booster circuit to supply power to the at least one characteristic identification unit.
The at least one feature recognition unit 202 is configured to receive a feature recognition request and perform a comparison operation with pre-stored feature recognition information.
Wherein the at least one feature recognition unit includes but is not limited to: a password identification module, a smart card identification module, a Bluetooth identification module, an iris identification module, a fingerprint identification module, a voice identification module or a combination thereof. All of the two can be arranged in the door body and powered by the thermoelectric conversion module. It is understood that the feature identification unit may also include or replace other modules capable of achieving the purpose of feature identification, and may receive the feature identification request and perform the comparison operation.
And the unlocking module 203 determines whether to unlock the intelligent door lock based on the comparison operation result. And if the comparison is consistent, unlocking, otherwise, not unlocking the intelligent door lock.
Through the embodiment, the intelligent door lock disclosed by the embodiment of the invention does not perform any waiting operation and broadcasting in the normal use process, so that a product can be better hidden and an unfamiliar layman even does not know how to unlock the intelligent door lock, and the safety of the intelligent door lock is improved. When only a user holds the door handle to open the door, the thermoelectric conversion module acquires heat energy generated by touch action and converts the heat energy into electric energy to supply power to at least one characteristic identification unit, the characteristic identification unit receives a characteristic identification request and compares the characteristic identification request with prestored characteristic identification information, the unlocking module determines whether to unlock the intelligent door lock or not based on the result of the comparison operation, and if the comparison result is consistent, the intelligent door lock is unlocked, otherwise, the intelligent door lock is not unlocked. The intelligent door lock provided by the embodiment of the invention can collect the heat of a user to realize the power supply of the intelligent door lock, can meet the requirements of verification and opening and closing control of the intelligent door lock, solves the problems of instability and insecurity of power supply by an internal battery and an external power supply in the prior art, greatly improves the practicability and safety of the door lock by combining various characteristic identification modes, is convenient and safe, and improves the user experience.
Further, as shown in fig. 3, the intelligent door lock according to the embodiment of the present invention further includes a data storage module 303, configured to store feature identification information as a standard for later-stage feature identification or authentication comparison, where the feature identification information is different according to different feature identification units equipped in the intelligent door lock. For example, when a bluetooth identification module is provided, the data storage module stores bluetooth binding information; when the iris recognition module is equipped, the data storage module stores iris sample information; when equipped with a cryptographic identification module, the data storage module stores cryptographic information and the like. Although a separate data storage module is provided for storing various feature identification information in the present embodiment, it will be appreciated by those skilled in the art that a separate data storage module is not necessary for storing such information, and each feature identification unit may itself have a respective storage unit for storing information required for authentication of the unit itself.
In particular, in another embodiment of the present invention, a composite unlocking manner may be adopted to improve the safety of the door lock only, that is, two or more unlocking manners are adopted to cooperate together for unlocking.
In a preferred embodiment, the feature recognition unit 202 comprises a bluetooth recognition module 301 and an iris recognition module 302. Wherein, electricity conversion module 201 obtains the heat energy that the touch action produced and converts the electric energy into through thermoelectric conversion membrane 211, for bluetooth identification module 301 and iris identification module 302 power supply, bluetooth broadcast is carried out promptly in bluetooth identification module circular telegram. Referring to fig. 4, specifically, the thermoelectric conversion film absorbs human body heat and converts the human body heat into weak current, the weak current passes through the voltage stabilizing and energy storing circuit, the voltage is boosted to supply power to the bluetooth identification module, the bluetooth identification module performs communication authentication, and after the authentication passes, the bluetooth identification module sends a control command to turn on the control switch, so that electric energy is transmitted to the iris identification module, and iris verification is performed by starting the control switch. The communication authentication may be to verify whether the bluetooth authentication request matches the pre-stored bluetooth binding information or whether a reset request is received.
The bluetooth identification module 301 is configured to perform bluetooth broadcast, receive a bluetooth pairing request sent from a mobile terminal, complete bluetooth binding for the mobile terminal, and store the bluetooth binding information in the data storage module 303.
Thereafter, the bluetooth identification module 301 receives a bluetooth authentication request sent from a mobile terminal, performs a comparison operation according to the bluetooth binding information stored in the data storage module 303, and sends a start signal to the iris identification module 302 when the bluetooth authentication request matches with the pre-stored bluetooth binding information.
The iris recognition module 302 collects iris sample information after receiving the start signal or the reset request, and performs a comparison operation according to the iris sample information stored in the data storage module 303.
What need to be explained is that what bluetooth and iris recognition technology provided is to the dual verification of user mobile terminal and user's biological characteristics, and the cooperation thermoelectric conversion module power supply, even other people find user's cell-phone or intelligent lock crack the high hand and also can not open intelligent lock, reduced the risk that intelligent lock was cracked, when having increased the security, make the lock use more convenient.
Meanwhile, as will be appreciated by those skilled in the art, various combinations of feature recognition modules can be used to meet the requirements of different fields for security and convenience. For example, above-mentioned bluetooth identification module and iris identification module can replace bluetooth identification module, voice recognition module and iris identification module three combination, can be few to the number of times of opening the door, and the high lock of security requirement is used, and such design can further improve the security.
In another embodiment of the present invention, as shown in fig. 5, the intelligent door lock further includes:
the mechanical key port 501 is used as an auxiliary or standby unlocking mechanism, and can be used for unlocking the intelligent door lock when debugging or the mobile terminal is lost;
and the reset module is used for sending a reset request to the iris recognition module, and clearing the Bluetooth binding information stored in the data storage module under the condition that the comparison operation of the iris recognition module is consistent, so that the intelligent door lock can be bound with other mobile terminals through Bluetooth. The intelligent door lock provided by the embodiment of the invention has more perfect functions due to the arrangement of the reset module, is matched with the feature identification module with the biological features of the user, further improves the safety, and avoids malicious resetting of other people.
It should be noted that the manner of the mechanical key is still retained, and the mechanical key port is used as an auxiliary or standby unlocking mechanism, so that the intelligent door lock can be opened when debugging or the mobile terminal is lost. The back of the lock body of the intelligent door lock is provided with a reset key, when a user mobile phone is lost, the user opens the door lock through a mechanical key port and enters the door lock, the user presses the reset key, the reset module is started to send a reset request to the iris recognition module, the user is required to carry out iris recognition, and only after the recognition is passed, the Bluetooth binding information of the intelligent door lock can be cleared, so that the user can be authorized to pair a new mobile phone. The lower part of the lock body is provided with a USB (Universal Serial Bus) standby charging interface for solving the power supply problem in the first pairing and information verification process. The Bluetooth binding information is determined in the first use, and is electrically connected with a mobile terminal through an intelligent door lock to perform Bluetooth broadcasting so as to finish Bluetooth binding on the mobile terminal; and the Bluetooth binding of the mobile terminal is completed, the iris verification shielding mechanism is opened, the first iris verification is started, the iris sample information is collected, and the Bluetooth binding information and the iris sample information are stored for the first time and serve as the standard of the later verification. Those skilled in the art will appreciate that the collected or bound feature recognition information is changed according to the feature recognition unit equipped in the intelligent door lock.
Further, the intelligent door lock still includes: the device comprises an iris verification shielding mechanism 502 and a shielding module, wherein the shielding module is used for controlling the iris verification shielding mechanism 502 to shield the iris identification module 302, and opening the iris verification shielding mechanism 502 when the Bluetooth authentication request is matched with the pre-stored Bluetooth binding information or a reset request is received so that the iris identification module 302 can carry out iris verification. Referring to fig. 5, the iris recognition module is disposed inside the rear side of the iris verification shielding mechanism, and in a normal state, the module is not embodied on the lock body, so that the unlocking interface of the lock body is better hidden, and the security level is greatly improved. The iris verification shielding mechanism can be but is not limited to a baffle plate driven by a built-in motor, the built-in motor is also powered by a thermoelectric conversion module, and the iris verification shielding mechanism is started when the Bluetooth authentication request is matched with the pre-stored Bluetooth binding information or when a reset request is received. For example, when the shielding mechanism is a baffle plate for iris verification, a mechanical slideway for sliding the baffle plate is arranged on the door, and the built-in motor is controlled by the shielding module. Specifically, the thermoelectric conversion film absorbs human body heat and converts the human body heat into weak current, and after the thermoelectric conversion film passes through the voltage stabilization energy storage circuit, the power is boosted for the Bluetooth identification module, so that communication authentication is realized, and after OK verification, the Bluetooth identification module can send a control command to open a control switch, so that electric energy is conveyed to the iris identification module, a built-in motor is started, and a baffle is opened, so that the iris identification module performs iris verification.
The embodiment of the present invention provides another intelligent door lock, which is an improvement on the basis of the above embodiment, and the difference between the intelligent door lock of the embodiment of the present invention and the intelligent door lock of the above embodiment is that the intelligent door lock of the embodiment of the present invention further includes:
the automatic alarm module is used for judging whether the opening failure times of the intelligent door lock reach preset times or not;
generating an alarm signal under the condition that the opening failure times reach the preset times; and
after the unlocking operation is executed, whether the mobile terminal is located in a Bluetooth pairing range is detected;
and if the mobile terminal exceeds the Bluetooth pairing range, generating an alarm signal.
Through the embodiment, the intelligent door lock provided by the embodiment of the invention realizes an alarm function and improves the safety. The number of the opening failure times can be counted by a counting module, the counting module is in communication connection with the automatic alarm module, and the counting module and the automatic alarm module are respectively powered by the thermoelectric conversion module and a battery and a power supply.
According to an embodiment of the present invention, there is also provided a method embodiment of a method for controlling an intelligent door lock, as shown in fig. 6, wherein the intelligent door lock includes a thermoelectric conversion module and at least one feature recognition unit, including the steps of:
step S601, acquiring heat energy generated by touch action by the thermoelectric conversion module, converting the heat energy into electric energy, and supplying power to at least one characteristic identification unit;
the heat energy generated by the touch action is obtained and converted into electric energy by the thermoelectric conversion module, specifically, the heat energy generated by the touch action is obtained and converted into electric energy by the thermoelectric conversion film arranged on the intelligent door lock, and the generated induced current sequentially passes through the energy storage voltage stabilizing circuit and the voltage boosting circuit to supply power to the at least one feature recognition unit, and a power supply process can be described with reference to fig. 4, which is not discussed herein too much. It should be noted that the thermoelectric conversion film may be provided on a door handle of the door body, or may be provided on a separate sensing area (not shown) provided on the door body. When the thermoelectric conversion film can be arranged on a door handle of a door body and a user is ready to open the door, the thermoelectric conversion film obtains the temperature difference between the body temperature and the handle in the process of pressing the door handle by the user, weak electric energy is generated, and the generated induced current sequentially passes through the energy storage voltage stabilizing circuit and the voltage boosting circuit to supply power to the at least one characteristic identification unit.
Step S602, receiving a characteristic identification request, and comparing the characteristic identification request with pre-stored characteristic identification information;
wherein the feature recognition unit includes: password identification module, smart card identification module, bluetooth identification module, iris identification module, fingerprint identification module, voice recognition module or their combination.
If the feature recognition unit is a bluetooth recognition module or an iris recognition module, as shown in fig. 7, step S602 includes:
step S6021, the Bluetooth identification module receives a Bluetooth authentication request sent from a mobile terminal, compares the request with prestored Bluetooth binding information, and sends a starting signal to the iris identification module under the condition that the Bluetooth authentication request is matched with the prestored Bluetooth binding information;
and step S6022, the iris identification module receives the starting signal or the reset request, collects the iris sample information and compares the iris sample information with the prestored iris sample information.
It should be noted that, the double verification provided by the bluetooth and iris recognition technology greatly increases the security, and meanwhile, no special operation is needed, and the use is convenient.
And step S603, determining whether to unlock the intelligent door lock based on the comparison operation result. And if the comparison is consistent, unlocking, otherwise, not unlocking the intelligent door lock.
As shown in fig. 8, in another embodiment, before the thermal energy generated by the touch action is obtained and converted into the electrical energy by the thermoelectric conversion module, and the power is supplied to the at least one feature recognition unit, the control method further includes:
step S801, establishing electric connection with a mobile terminal, performing Bluetooth broadcasting, and finishing Bluetooth binding of the mobile terminal;
and S802, opening an iris verification shielding mechanism, starting first iris verification, acquiring iris sample information, and storing Bluetooth binding information and iris sample information.
Through the embodiment, in the process of first use, a user needs to connect a USB (Universal Serial Bus) standby interface for power supply through a mobile terminal such as a smart phone and a computer, then performs Bluetooth pairing with a Bluetooth identification module of the smart door lock, and completes the binding of a Bluetooth address through a third-party application program of the mobile terminal, and due to the uniqueness of the Bluetooth address, unauthorized added Bluetooth equipment cannot be paired with the smart door lock.
In another embodiment of the present invention, on the basis of the above embodiment, the intelligent door lock further includes: the device comprises an iris verification shielding mechanism and a shielding module, wherein the shielding module is used for controlling the iris verification shielding mechanism to shield the iris identification module. As shown in fig. 9, when the bluetooth authentication request matches the pre-stored bluetooth binding information or after receiving a reset request, the control method further includes: the shielding module opens the iris verification shielding mechanism so that the iris recognition module can carry out iris verification.
Specifically, the control method includes:
step S901, establishing electric connection with a mobile terminal, performing Bluetooth broadcast, and completing Bluetooth binding of the mobile terminal;
step S902, opening an iris verification shielding mechanism, starting first iris verification, acquiring iris sample information, and storing Bluetooth binding information and iris sample information;
step S903, acquiring heat energy generated by touch action by the thermoelectric conversion module, converting the heat energy into electric energy, and supplying power to at least one characteristic identification unit;
step S9041, the Bluetooth identification module receives a Bluetooth authentication request sent from a mobile terminal, performs comparison operation according to prestored Bluetooth binding information, and sends an opening signal to the iris identification module under the condition that the Bluetooth authentication request is matched with the prestored Bluetooth binding information;
step S9042, when the Bluetooth authentication request is matched with the pre-stored Bluetooth binding information or after a reset request is received, the shielding module opens an iris verification shielding mechanism;
step S9043, the iris identification module collects iris sample information and performs comparison operation according to prestored iris sample information;
and step S905, determining whether to unlock the intelligent door lock based on the comparison operation result. And if the comparison is consistent, unlocking, otherwise, not unlocking the intelligent door lock.
Wherein, thermoelectric conversion membrane absorbs and changes the human heat weak current into, through steady voltage energy storage circuit after, steps up and supplies power for bluetooth identification module, realizes the communication authentication, verifies behind the OK, and bluetooth identification module can send control command to open control switch to carry iris identification module with the electric energy, shelter from the module and start built-in motor, open the baffle and iris verification shelter from the mechanism promptly, so that iris identification module carries out the iris verification.
Further, the control method further includes:
after receiving the reset request, iris recognition is carried out through the iris recognition module, and if the iris recognition is passed, the Bluetooth binding information stored in the data storage module is cleared, so that Bluetooth binding between the door lock terminal and other mobile terminals is realized.
In another embodiment, the control method further includes:
judging whether the opening failure times of the intelligent door lock reach preset times or not;
generating alarm information under the condition that the opening failure times reach the preset times; and/or
After the unlocking operation is executed, whether the mobile terminal is located in a Bluetooth pairing range is detected;
and if the mobile terminal exceeds the Bluetooth pairing range, generating alarm information.
Although some specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications can be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (5)
1. An intelligent door lock configured not to perform any waiting operation and broadcasting during normal use, the intelligent door lock comprising:
the thermoelectric conversion module is used for acquiring heat energy generated by touch action, converting the heat energy into electric energy and supplying power to the characteristic identification unit;
the characteristic identification unit is used for receiving the characteristic identification request and comparing the characteristic identification request with the prestored characteristic identification information;
the unlocking module is used for determining whether to unlock the intelligent door lock based on the comparison operation result;
the thermoelectric conversion module comprises a thermoelectric conversion film arranged on the intelligent door lock, the thermoelectric conversion film acquires heat energy generated by touch action and converts the heat energy into electric energy, and the generated induced current sequentially passes through the energy storage voltage stabilizing circuit and the booster circuit to supply power to the at least one characteristic identification unit;
at least one feature recognition unit includes bluetooth identification module and iris recognition module, intelligence lock still includes: the data storage module is used for storing Bluetooth binding information and iris sample information; and
the Bluetooth identification module is used for carrying out Bluetooth broadcasting, receiving a Bluetooth pairing request sent from a mobile terminal, finishing Bluetooth binding to the mobile terminal, storing the Bluetooth binding information in the data storage module, and
the mobile terminal is also used for receiving a Bluetooth authentication request sent from a mobile terminal, performing comparison operation according to Bluetooth binding information stored in the data storage module, and sending a starting signal to the iris identification module under the condition that the Bluetooth authentication request is matched with the prestored Bluetooth binding information;
the heat of a human body is absorbed and converted into weak current by the thermoelectric conversion film, the weak current passes through the voltage stabilizing and energy storing circuit, the voltage is boosted to supply power to the Bluetooth identification module, communication authentication is carried out, and after the authentication is passed, the Bluetooth identification module sends a control command to turn on the control switch, so that electric energy is transmitted to the iris identification module, and iris verification is started;
and the iris identification module collects the iris sample information after receiving the opening signal or the reset request and performs comparison operation according to the iris sample information stored by the data storage module.
2. The intelligent door lock of claim 1, further comprising:
the mechanical key port is used as an auxiliary or standby unlocking mechanism;
and the reset module is used for sending a reset request to the iris recognition module, and clearing the Bluetooth binding information stored in the data storage module under the condition that the comparison operation of the iris recognition module is consistent, so that the intelligent door lock can be bound with other mobile terminals through Bluetooth.
3. The intelligent door lock of claim 2, further comprising: an iris verification shielding mechanism and a shielding module,
the shielding module is used for controlling the iris verification shielding mechanism to shield the iris identification module and opening the iris verification shielding mechanism when the iris identification module receives a starting signal or a reset request so that the iris identification module can carry out iris identification.
4. A control method of an intelligent door lock, wherein the intelligent door lock comprises a thermoelectric conversion module and at least one characteristic identification unit, is characterized by comprising the following steps:
the thermoelectric conversion module is used for acquiring heat energy generated by touch action and converting the heat energy into electric energy, and supplying power to at least one characteristic identification unit;
receiving a characteristic identification request, and comparing the characteristic identification request with pre-stored characteristic identification information;
determining whether to unlock the intelligent door lock based on the comparison operation result;
the characteristic identification unit comprises a Bluetooth identification module, an iris identification module, a step of receiving a characteristic identification request and comparing the characteristic identification request with pre-stored characteristic identification information, and the step comprises the following steps:
the Bluetooth identification module receives a Bluetooth authentication request sent from a mobile terminal, performs comparison operation according to prestored Bluetooth binding information, and sends a starting signal to the iris identification module under the condition that the Bluetooth authentication request is matched with the prestored Bluetooth binding information;
the system comprises a thermoelectric conversion film, a Bluetooth identification module, an iris identification module, a communication and authentication module and a power supply module, wherein the thermoelectric conversion film absorbs heat of a human body and converts the heat into weak current, the weak current passes through a voltage stabilizing and energy storing circuit and then is boosted to supply power to the Bluetooth identification module, the Bluetooth identification module performs communication and authentication, and after the authentication passes, the Bluetooth identification module sends a control command to turn on a control switch, so that electric energy is transmitted to the iris identification module, and iris authentication is performed;
the iris identification module receives the starting signal or the reset request, collects iris sample information and performs comparison operation according to prestored iris sample information.
5. The method as claimed in claim 4, wherein the step of converting the obtained heat energy into electric energy by the thermoelectric conversion module and supplying power to at least one feature recognition unit comprises:
the heat energy generated by touch action is obtained and converted into electric energy through the thermoelectric conversion film arranged on the intelligent door lock, and the generated induced current sequentially passes through the energy storage voltage stabilizing circuit and the booster circuit to supply power to the at least one characteristic identification unit.
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| CN107386827B (en) * | 2017-09-22 | 2023-06-09 | 贵州维讯光电科技有限公司 | Iris camera intelligent identification system for lock |
| CN108182739A (en) * | 2017-12-21 | 2018-06-19 | 广东汇泰龙科技有限公司 | It is a kind of that unlocking method, system are locked based on the cloud of iris recognition and Bluetooth function |
| CN108109247A (en) * | 2018-01-15 | 2018-06-01 | 广安众道电子商务有限公司 | A kind of intelligent entrance guard method for unlocking and device based on visitor |
| CN109583388B (en) * | 2018-11-29 | 2020-10-23 | 武汉虹识技术有限公司 | Data storage unit and system based on iris recognition |
| CN110847714A (en) * | 2019-11-29 | 2020-02-28 | 歌尔科技有限公司 | Self-generating door lock |
| CN112821807B (en) * | 2021-01-04 | 2022-06-21 | 德施曼机电（中国）有限公司 | Self-power-generation electronic intelligent lock and power generation circuit |
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