Door lock control circuit, long power supply equipment and door lock opening system

Abstract

The utility model relates to a door lock control circuit, long power supply equipment and a door lock opening system, the door lock control circuit is applied to the long power supply equipment connected with an intelligent door lock, and the long power supply equipment comprises a power module used for being connected with a mains supply; the door lock control circuit comprises a UWB module and a control module, the UWB module is coupled to the power module and can collect and output UWB signals, the power module and the UWB module are in a long power supply state, and the control module is connected with the UWB module to receive the UWB signals sent by the UWB module and output control signals to the intelligent door lock to control work of the intelligent door lock. According to the intelligent door lock, the cruising ability of the intelligent door lock can be improved under the condition that the accurate measurement performance of the UWB module is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic equipment, in particular to a door lock control circuit, a long power supply device and a door lock opening system. BACKGROUND

[0002] At present, UWB (Ultra-Wide Band) technology is applied in some intelligent door locks with automatic unlocking function. In order to realize the unlocking function, the traditional intelligent door lock needs the UWB module to broadcast for a long time and frequently, which leads to a significant reduction in the endurance time of the intelligent door lock using dry batteries or rechargeable batteries as power supply, and reduces the stability of the automatic unlocking function. CONTENT OF THE UTILITY MODEL

[0003] Therefore, it is necessary to provide a door lock control circuit, a long power supply device and a door lock opening system which can improve the endurance of the intelligent door lock while ensuring accurate measurement of the UWB module.

[0004] In a first aspect, the present application provides a door lock control circuit applied to a long power supply device connected to an intelligent door lock, the long power supply device comprising a power supply module for connecting to a mains power supply, and the circuit comprising:

[0005] a UWB module coupled to the power supply module, the power supply module and the UWB module being in a long power supply state; the UWB module being configured to collect and output a UWB signal;

[0006] a control module connected to the UWB module, configured to receive the UWB signal and output a control signal to the intelligent door lock based on the UWB signal to control the operation of the intelligent door lock.

[0007] In one embodiment, the door lock control circuit further comprises:

[0008] an identification module connected to the control module, configured to collect and output an identification signal representing whether a terminal device of an outdoor object has an unlocking permission;

[0009] the control module being configured to start the UWB module according to the received identification signal.

[0010] In one embodiment, the identification module comprises a Bluetooth module.

[0011] In one embodiment, the Bluetooth module is configured to perform Bluetooth signal scanning at a preset period, establish a Bluetooth connection with the terminal device of the outdoor object when the Bluetooth signal of the terminal device is scanned, and collect the Bluetooth signal of the terminal device as the identification signal and output the identification signal to the control module;

[0012] The control module is configured to start the UWB module if it is determined according to the identification signal that the terminal device has the unlocking permission, so that the UWB module collects the UWB signal.

[0013] The control module is configured to receive the UWB signal sent by the UWB module, and configured to send a control signal to the smart door lock to instruct the door lock to perform an unlocking operation if it is determined based on the UWB signal that the terminal device meets the unlocking condition, and to close the UWB module.

[0014] In one of the embodiments, the door lock control circuit further comprises a communication module; the control module establishes a wireless communication connection with the smart door lock through the communication module.

[0015] In one of the embodiments, the communication module is any one of a Bluetooth module, a Thread module, a Zigbee module, and a Wi-Fi module.

[0016] In one of the embodiments, the communication module is any one of a Bluetooth module, a Thread module, a Zigbee module, and a Wi-Fi module.

[0017] In one of the embodiments, the long power supply device further comprises an image acquisition module; the image acquisition module is connected to the control module,

[0018] The control module is configured to receive the UWB signal, and output a start signal to the image acquisition module to obtain image information if it is determined based on the UWB signal that an outdoor object is close to the door lock.

[0019] The control module is configured to receive a pull stream request from the terminal device, and send image information to the terminal device.

[0020] In one of the embodiments, the long power supply device is any one of a smart doorbell, a camera, a rolling shutter device, and a password input keyboard.

[0021] In one of the embodiments, the long power supply device is any one of a smart doorbell, a camera, a rolling shutter device, and a password input keyboard.

[0022] The door lock control circuit, the long power supply device and the door lock opening system, the door lock control circuit is applied to the long power supply device connected with the intelligent door lock, and the long power supply device comprises a power module for connecting the mains; the door lock control circuit comprises a UWB module and a control module, wherein the UWB module is coupled to the power module and can collect and output UWB signals, and the power module and the UWB module are in a long power supply state, and the control module is connected with the UWB module to receive the UWB signals sent by the UWB module and output control signals to the intelligent door lock to control the working of the intelligent door lock. The application can improve the endurance of the intelligent door lock while ensuring the accurate measurement performance of the UWB module. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0024] Figure 1 The application environment schematic diagram of the present application in an embodiment;

[0025] Figure 2 The application environment schematic diagram of the present application in another embodiment;

[0026] Figure 3 The structure block diagram of the door lock control circuit in an embodiment;

[0027] Figure 4 The structure schematic diagram of a kind of intelligent doorbell in an embodiment. DETAILED DESCRIPTION

[0028] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. The drawings show embodiments of the present application. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0030] It can be understood that the terms "first", "second" and the like used in the present application can be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish the first element from another element.

[0031] It can be understood that "connection" in the following embodiments, if the circuits, modules, units and the like connected to each other have the transmission of electrical signals or data, should be understood as "electrically connected", "communicatively connected" and the like.

[0032] It can be understood that "at least one" means one or more, and "multiple" means two or more. "At least part of the element" means part or all of the element.

[0033] As used herein, the singular forms "a", "an" and "the" can also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms "comprise / comprising" or "have / having" specify the presence of the stated features, integers, steps, operations, components, parts or combinations thereof, but do not exclude the presence or addition of one or more other features, integers, steps, operations, components, parts or combinations thereof. At the same time, the term "and / or" used in the specification includes any and all combinations of the related listed items.

[0034] In order to realize inductive unlocking, intelligent door locks based on biometric recognition technology are currently used, such as face and finger vein recognition door locks. However, the cost of the sensor elements of biometric recognition is higher than that of general communication elements, which limits the long-term cost reduction of the product. Moreover, biometric unlocking technology also requires a large amount of calculation and data processing, which requires a higher processor performance of the product device, further increasing the application cost. In addition, many users also pay attention to the protection of personal biological information and resist the use of intelligent door lock products based on biometric technology.

[0035] Compared with biometric recognition authentication unlocking technology, UWB unlocking technology is a low-cost unlocking solution without the need to collect biological characteristics. Currently, based on UWB, the following can be achieved: 1. High-precision positioning of objects. In the unlocking process of the intelligent door lock, the UWB technology can accurately determine the position of the unlocking object by sending and receiving ultra-short pulse signals, so as to accurately and quickly open the door lock; 2. The installation of the UWB module is not easily limited by the material, shape or installation position of the carrier, while the installation of the hardware related to the biometric recognition technology may have higher requirements for the recognition device or the installation environment; 3. Compared with traditional Bluetooth or RFID technology (Radio Frequency Identification, Radio Frequency Identification Technology), UWB technology has a faster data transmission rate, so that the unlocking instruction can be transmitted faster, improving the user's unlocking experience.

[0036] Traditional smart locks cannot be powered by indoor adapters or power supplies for extended periods; they can only be powered by dry cell batteries or lithium batteries. However, because UWB technology requires significant energy consumption to accurately locate and measure the distance to the object being unlocked, using UWB in smart locks may result in shorter battery life. Furthermore, smart locks typically operate for extended periods, and frequent battery replacements would obviously negatively impact user experience and increase operating costs.

[0037] To address the high power consumption issue of UWB automatic unlocking technology, two common solutions are currently employed: ① Increasing the number of dry-cell batteries or the capacity of rechargeable batteries in the smart lock; however, this approach leads to battery contamination. ② Reducing the UWB scanning frequency or decreasing the UWB recognition distance; however, this power-consumption reduction solution simultaneously lowers the positioning accuracy and functional stability of the smart lock's UWB, essentially crippling UWB performance and significantly diminishing the originally accurate real-time UWB positioning function.

[0038] The door lock control circuit provided in this application embodiment can be applied to, for example... Figure 1 The application environment shown. Among them, Figure 1 A smart home system 10 is provided, comprising a terminal device 102, multiple sub-devices 104, a gateway 106, a router 108, and a server 110. The terminal device 102 can be any device with communication and storage functions, including but not limited to various personal computers, laptops, smartphones, tablets, IoT devices, and portable wearable devices. IoT devices can include smart speakers, smart TVs, smart air conditioners, smart in-vehicle systems, and projection devices. Portable wearable devices can include smartwatches, smart bracelets, and head-mounted displays. Head-mounted displays can be virtual reality (VR) devices, augmented reality (AR) devices, and smart glasses.

[0039] Optionally, the terminal device 102 is equipped with a client that can manage multiple sub-devices 104. The client can be an application client (such as a mobile APP) or a web client, and there is no limitation here. As one method, the user can add the same account information to the terminal device 102 and the sub-devices 104, and data synchronization between the sub-devices 104 and the terminal device 102 can be achieved through this account.

[0040] The process of the plurality of sub-devices 104 accessing the gateway 106 through the local area network includes: first establishing a local area network by the gateway 106, and the sub-devices 104 join the local area network established by the gateway 106 by connecting the gateway 106. The local area network includes but is not limited to Zigbee or Bluetooth. The plurality of sub-devices 104 can be smart printers, smart fax machines, smart cameras, smart air conditioners, smart door locks, smart lights, or human body sensors, door and window sensors, temperature and humidity sensors, water immersion sensors, natural gas alarms, smoke alarms, wall switches, wall outlets, wireless switches, wireless wall-mounted switches, magic cube controllers, curtain motors, smart speakers, smart doorbells, smart door locks, and other devices configured with communication modules.

[0041] The interaction between the terminal device 102 and the plurality of sub-devices 104 can be implemented through a local area network, and can also be implemented through a wide area network. In some examples, when the terminal device 102 and the router 108 and the gateway 106 are in the same local area network, the terminal device 102 can interact with the gateway 106 and the plurality of sub-devices 104 connected to the gateway 106 through a local area network path, or can also interact with the gateway 106 and the plurality of sub-devices 104 connected to the gateway 106 through a wide area network path. In addition, when the terminal device 102 and the router 108 and the gateway 106 are not in the same local area network, the terminal device 102 can also interact with the gateway 106 and the plurality of sub-devices 104 connected to the gateway 106 through a wide area network path. In addition, the terminal device 102 can also interact with the server 110 through a specified communication mode, which includes 2G (2-Generation wireless telephone technology, second generation mobile communication technology specification), 3G (3rd-Generation, third generation mobile communication technology), 4G (the 4th generation mobile communication technology, fourth generation mobile communication technology), 5G (5th-Generation Mobile Communication Technology, fifth generation mobile communication technology) and wireless network communication technology WIFI, etc. The specific communication mode can be set according to the actual situation.

[0042] The server 110 can also be referred to as a cloud, a cloud platform, a platform end, a server end, etc. The server 110 can be a server, a server cluster composed of multiple servers, or a cloud computing center composed of multiple servers, so as to better provide background services to the terminal device 102. For example, the background services can include sub-device control services.

[0043] Further, the automation of the smart home system 10 is a linkage application built between the gateway 106 or the plurality of sub-devices 104 connected to the gateway 106, including a trigger device and a controlled device (or an execution device), both of which are communicatively connected through the gateway 106, and when the trigger device meets the trigger condition, the gateway 106 controls the controlled device to perform the corresponding execution action. Among them, the trigger device can be various sensors such as pressure sensors, temperature sensors, humidity sensors, door and window sensors, or smoke sensors, etc.; the controlled device can be various switches, sockets, electric lamps, infrared emitting devices, and camera devices, etc. It should be noted that in some cases, the trigger device and the controlled device can be the same device, which can be set according to actual conditions.

[0044] Exemplarily, taking the sub-devices as a smart doorbell and a smart door lock respectively as an example. As shown in Figure 2 The smart doorbell can be installed outdoors and can include a control module and a communication module connected to the control module. Further, the smart door lock can include a front lock (outdoor lock) for installation outdoors and a rear lock (indoor lock) for installation indoors; the door lock can also include a door lock main control module and a door lock communication module connected to the door lock main control module. The door lock can establish a wireless communication connection with the communication module of the smart doorbell through the door lock communication module.

[0045] Among them, the control module of the smart doorbell and the door lock main control module of the door lock can be a micro control module (MCU), or a central processing unit (CPU) unit. In some embodiments, the control module can also be a DSP (Digital Signal Processor), FPGA (Field-Programmable Gate Array), etc., which is not limited here.

[0046] Optionally, the communication module of the smart doorbell and the door lock communication module can include but not limited to Bluetooth, Thread, Zigbee, Wi-Fi, etc. modules, which are not limited here. It can be understood that the communication module of the smart doorbell and the door lock communication module can also adopt other forms, which are not limited to the forms mentioned in the above embodiments, as long as they can realize the wireless communication connection between the smart doorbell and the door lock.

[0047] Optionally, the sub-device can include a long-powered device, and it is understood that the long-powered device applied by the door lock control circuit of the present application can include the above-mentioned smart doorbell, and can also adopt other application forms, such as a long-powered gun camera near a gate, a garage rolling shutter machine, a long-powered password input keyboard and other electronic devices, without being limited to the forms mentioned in the above embodiments, as long as the long-powered device can realize the function of long power supply for the UWB module.

[0048] Before introducing the specific embodiments of the present application, the professional terms involved in the present application are explained:

[0049] UWB technology: Ultra Wide Band (UWB) technology is a wireless carrier communication technology, which does not use sinusoidal carrier, but uses nanosecond non-sinusoidal wave narrow pulse to transmit data, so its occupied frequency spectrum range is very wide. Through UWB technology, it can also detect actions that are difficult for the human body to detect (such as breathing, slight movement).

[0050] Passive Infrared Radiation (PIR): Any object with temperature continuously radiates infrared rays to the outside world. The surface temperature of the human body is 36-27℃, and most of its radiant energy is concentrated in the wavelength range of 8-12um. PIR can sense the change of infrared radiation in the surrounding environment. The passive infrared alarm can be divided into infrared detector (infrared probe) and alarm control part in structure.

[0051] As shown in Figure 3 The present application provides a door lock control circuit 30 applied to a long-powered device 40 connected with a smart door lock. The long-powered device 40 includes a power module 20 for connecting to the mains, and the circuit 30 includes:

[0052] a UWB module 302 coupled to the power module, the power module and the UWB module being in a long power supply state; the UWB module is used for collecting and outputting UWB signals;

[0053] a control module 304 connected to the UWB module, for receiving UWB signals and outputting control signals to the smart door lock based on the UWB signals to control the working of the smart door lock.

[0054] It should be noted that the smart door lock and the long-powered device are packaged as two independent devices; wherein the long-powered device is powered by the mains, and the smart door lock is powered by a battery or other energy storage unit. For example, taking a long-powered smart doorbell as an example, the long-powered smart doorbell and the smart door lock are packaged in two independent housings, and a wireless communication connection is established between them.

[0055] Specifically, the UWB module 302 can refer to a module with UWB function, which can realize the UWB function by collecting and outputting UWB signals. Exemplarily, the UWB module is coupled to the power supply module and is in a long power supply state with the power supply module. The long power supply state can be a state in which the required power can be stably and continuously obtained, and in this state, the UWB module will not have the problem of being unable to start the UWB function due to insufficient power.

[0056] Exemplarily, the UWB module 302 can also establish UWB communication with the terminal device of the outdoor object with unlocking permission, collect UWB signals from the terminal device of the outdoor object, and output the corresponding UWB signals to the control module 304. Optionally, the outdoor object can refer to an object entering a certain range of the outdoor area of the smart door lock. In some possible implementations, the outdoor object can be a passerby passing by the outdoor area of the smart door lock, a house occupant or a visitor preparing to unlock the house, or an animal carrying a terminal device with unlocking permission (such as a cat or dog wearing a smart collar with UWB function), etc. It can be understood that the types of the above-mentioned outdoor objects are not limited to the implementation manners mentioned in the above embodiments, as long as they are objects entering the outdoor area of the smart door lock, they can be regarded as outdoor objects, and the specific types of the outdoor objects are not limited in the present application.

[0057] Further, the UWB communication between the UWB module 302 and the terminal device of the outdoor object can be encrypted and decrypted by pre-stored key information. Exemplarily, the pre-stored key information can include a UWB key. Optionally, the terminal device holding the pre-stored key information can have the unlocking permission of the smart door lock. Exemplarily, the pre-stored key information can also be shared to other terminal devices through the application client (such as a mobile phone APP) of the terminal device, so as to share the unlocking permission to other terminal devices. In some examples, the pre-stored key information can be stored in the control module 304 and configured through the control module 304. Optionally, the terminal device capable of sharing the unlocking permission needs to have the management permission of the long power supply device 40 and the smart door lock.

[0058] In some possible implementations, the pre-stored key information can be entered into the long power supply device by a UWB signaling device in a preset registration manner. Exemplarily, the UWB signaling device can be a terminal device with UWB signaling function (or UWB signaling function), such as a mobile phone, a watch, a smart collar equipped with a UWB transmitter, etc. Exemplarily, the UWB signaling device can establish UWB communication with the long power supply device 40.

[0059] Specifically, the control module 304 can receive the UWB signal from the UWB module 302. Illustratively, based on the received UWB signal, the control module 304 can obtain the ranging data obtained by the UWB module 302. Further, the control module 304 can also output the control signal to the smart door lock according to the ranging data, so as to control the operation of the smart door lock.

[0060] Illustratively, the control signal sent by the control module 304 to the smart door lock can include an encryption instruction based on a preset encryption algorithm. After the encryption instruction from the control module 304 is transmitted to the smart door lock, the smart door lock can be instructed to decrypt to obtain a corresponding decryption instruction, and the smart door lock can execute a relevant control action based on the decryption instruction. In some examples, the control signal sent by the control module 304 to the smart door lock can be an unlocking instruction, which can be used to instruct the smart door lock to execute an unlocking action.

[0061] Optionally, based on the position information of the terminal device of the outdoor object, when the outdoor object satisfies the unlocking condition of the smart door lock, the control module 304 can output the control signal to the smart door lock to instruct the smart door lock to execute a relevant action. It can be understood that the position information of the terminal device of the outdoor object can be obtained based on the UWB signal collected by the UWB module 302. Illustratively, the unlocking condition represents the position condition required to be satisfied by the relative position of the terminal device of the outdoor object relative to the smart door lock when the outdoor object needs to control the smart door lock to execute a relevant action. In some examples, the position condition can include a distance condition and / or an orientation condition. Optionally, the relative position can include the relative distance of the terminal device of the outdoor object relative to the smart door lock and / or the relative orientation of the terminal device of the outdoor object relative to the smart door lock.

[0062] Further, the terminal device can configure the unlocking condition in the unlocking distance configuration interface based on the obtained configuration instruction, and generate corresponding configuration information and send it to the long power supply device. Wherein, the configuration instruction can represent the specific scheme of the terminal device configuring the unlocking condition in the unlocking distance configuration interface. Illustratively, the unlocking condition can be a preset unlocking distance, which means that if the relative distance of the terminal device of the outdoor object relative to the smart door lock is within the preset unlocking distance range, the outdoor object satisfies the unlocking condition.

[0063] Optionally, the operating mode of the UWB module 302 can include a sleep mode and a wake-up mode. The sleep mode can be a standby state in which the UWB module is closed most of the power-consuming functions and only maintains power supply. The wake-up mode can be a working state in which the UWB module is turned on after the UWB function. In the case where the terminal device of the outdoor object does not need to be accurately positioned, the UWB module 302 in the long power supply state controlled by the control module 304 can enter the sleep mode to reduce the power consumption of the long power supply device 40, thereby reducing the operation cost of the device. In the case where the terminal device with unlocking permission needs to be positioned, the UWB module 302 in the long power supply state controlled by the control module 304 can be activated from the sleep mode and enter the wake-up mode, so as to be able to collect and output the UWB signal, thereby realizing the accurate positioning of the terminal device of the outdoor object.

[0064] Exemplarily, the application client account can be associated and bound with the smart door lock and the long power supply device 40 through the application client (such as a mobile phone APP) on the terminal device, and the association and pairing between the smart door lock and the long power supply device 40 can also be performed, so as to establish an encrypted communication connection between the smart door lock and the long power supply device 40, so that the long power supply device 40 can send a control signal to the smart door lock. Optionally, the long power supply device 40 and the smart door lock are associated and paired through a wireless communication connection.

[0065] In an exemplary embodiment, the UWB communication between the long power supply device 40 and the terminal device of the outdoor object can be realized through the UWB module 302; when the UWB module 302 receives the UWB signal sent by the terminal device, the control module 304 can decrypt the received UWB signal according to the pre-registered UWB key, and obtain the current position information of the registered terminal device according to the decrypted UWB signal, and maintain the continuous positioning of the registered terminal device during the UWB communication; if it is analyzed that the registered terminal device meets the preset position condition, the control module 304 outputs a control signal to the smart door lock to control the smart door lock to perform a corresponding action (such as an unlocking action).

[0066] The implementation of the UWB function requires high energy consumption for accurate positioning and distance measurement. In traditional technology, the UWB function is generally built into the smart door lock, and the smart door lock must be powered by a battery or other energy storage device. This way, it is difficult to maintain a long battery life, and often the positioning performance of the UWB module is actively reduced or a larger capacity battery is purchased to alleviate this problem. The UWB module 302 is arranged in the long power supply device 40, and the UWB module is coupled to the power supply module of the long power supply device 40. The long power supply device 40 is in communication connection with the smart door lock. The UWB module can be maintained in a high-performance state for a long time, and accurate positioning services can be provided to achieve convenient unlocking of the smart door lock.

[0067] In one embodiment, as shown in Figure 3 The door lock control circuit 30 further includes:

[0068] The identification module 306 is connected to the control module 304 and is configured to collect and output an identification signal representing whether the terminal device of the outdoor object has the unlocking permission.

[0069] The control module 304 is configured to start the UWB module 302 according to the received identification signal.

[0070] The identification module 306 can be used to identify whether the terminal device of the outdoor object has the unlocking permission. If it is identified that the terminal device of the outdoor object has the unlocking permission, an identification signal representing that the terminal device has the unlocking permission is output to the control module 304. If it is identified that the terminal device of the outdoor object does not have the unlocking permission, an identification signal representing that the terminal device does not have the unlocking permission is output to the control module 304. In some possible implementations, if it is identified that the terminal device of the outdoor object logs in the application client account with the unlocking permission, the identification module 306 can confirm that the terminal device of the outdoor object is a registered device and correspondingly output an identification signal representing that the terminal device has the unlocking permission. In some possible implementations, the registered device can be the terminal device holding the pre-stored key information as described in the above embodiments, or can be a terminal device that has shared the unlocking permission.

[0071] Optionally, the identification module can include a Bluetooth module, which is not limited herein. It should be noted that the identification module can also adopt other forms, which are not limited to the forms mentioned in the above embodiments, as long as it can achieve the functions of identifying and authenticating the outdoor object.

[0072] Optionally, the identification module 306 can scan the specified area based on a preset period to determine whether the terminal device of the outdoor object entering the scanning area has the unlocking permission. Illustratively, the preset period of the identification module 306 scanning can be set according to the environmental conditions of the area in front of the door. Optionally, when the area in front of the door of the smart door lock is relatively complex, for example, there are many obstacles (such as large potted plants, shoe cabinets, etc.) stacked in the area in front of the door, the preset period of the identification module 306 scanning can be set to be relatively small, thereby improving the identification efficiency of the identification module 306; when the area in front of the door of the smart door lock is relatively open and flat, the preset period of the identification module 306 scanning can be set to be relatively large, thereby reducing the power consumption of the power supply device and saving power. In some possible implementations, the preset period of the identification module 306 scanning can be in the range of 100-500 ms.

[0073] It can be understood that the setting of the preset period is not limited to the implementation manner mentioned in the above embodiment, as long as the setting of the preset period can meet the identification requirements of the terminal device in the specified area, and the preset period is not limited in the present application.

[0074] Specifically, the identification module 306 can scan based on a preset period and establish a communication connection with the terminal device of the outdoor object entering the scanning area to determine whether the terminal device of the outdoor object has the permission to open the smart door lock. If it is determined according to the identification signal that the terminal device of the outdoor object has the unlocking permission, the outdoor object is confirmed to be an unlocking object. The control module 304 starts (or wakes up) the UWB module 302 to accurately position the terminal device of the unlocking object through the UWB module 302 in response to receiving the identification signal determining that the terminal device has the unlocking permission. It can be understood that the terminal device of the outdoor object is authenticated by the identification module, thereby improving the security of the unlocking function.

[0075] In one embodiment, the identification module 306 includes a Bluetooth module.

[0076] The Bluetooth module can be used for Bluetooth signal scanning, and when the Bluetooth signal of the terminal device of the outdoor object is scanned, the Bluetooth connection with the terminal device is established, and the Bluetooth signal emitted by the terminal device is collected as an identification signal and output to the control module.

[0077] Illustratively, since the UWB module 302 has very high power consumption, it can enter a sleep mode with very low power consumption when it is not needed to position the terminal device, and the Bluetooth module with relatively low power consumption can be scanned at a preset period.

[0078] Specifically, the designated area can be scanned by the Bluetooth module at a preset period. If a terminal device of an outdoor object enters the scanning area of the Bluetooth module, the Bluetooth module can send the Bluetooth signal emitted by the terminal device as an identification signal to the control module 304. It can be understood that using the Bluetooth module as the identification module has the advantages of low power consumption and low production cost.

[0079] In one of the embodiments, the Bluetooth module is configured to scan for a Bluetooth signal at a preset period, establish a Bluetooth connection with a terminal device of an outdoor object when the Bluetooth signal of the terminal device is scanned, and output the Bluetooth signal emitted by the terminal device as an identification signal to the control module 304.

[0080] The control module 304 is configured to start the UWB module 302 if it is determined that the terminal device has the unlocking permission according to the identification signal, so that the UWB module 302 collects a UWB signal.

[0081] The control module 304 is configured to receive the UWB signal sent by the UWB module 302, and send a control signal to the smart door lock to instruct the door lock to perform an unlocking operation if it is determined that the terminal device meets the unlocking condition based on the UWB signal, and close the UWB module 302.

[0082] Specifically, the Bluetooth module scans for a Bluetooth signal at a preset period, establishes a Bluetooth connection with a terminal device of an outdoor object when the Bluetooth signal of the terminal device is scanned, and outputs the Bluetooth signal emitted by the terminal device as an identification signal to the control module 304. The control module 304 can determine whether the terminal device has the unlocking permission according to the received identification signal. If the control module 304 determines that the terminal device has the unlocking permission based on the identification signal, the UWB module 302 is started so that the UWB module 302 further collects a UWB signal. The control module 304 determines whether the terminal device meets the unlocking condition according to the collected UWB signal. If the control module 304 determines that the terminal device meets the unlocking condition based on the UWB signal, a control signal is sent to the smart door lock to instruct the door lock to perform an unlocking operation, and the UWB module 302 is closed. It can be understood that the embodiments of the present application can effectively improve the energy utilization efficiency and reduce the operating cost of the device by using a low-power Bluetooth module to identify the permission of the terminal device of the outdoor object and then starting a high-power UWB module 302 for accurate positioning.

[0083] In one of the embodiments, as shown in Figure 3 The door lock control circuit 30 further includes a communication module 308. The control module 304 establishes a wireless communication connection with the smart door lock through the communication module 308.

[0084] Specifically, the communication module 308 can be configured to send and receive wireless communication signals and establish a wireless communication connection with a communication object.

[0085] For example, the control module 304 can receive a pairing instruction sent by the terminal device, and based on the pairing instruction, the control module 304 can establish a wireless communication connection with the smart door lock through the communication module 308. Alternatively, the pairing instruction can be obtained by the terminal device based on a device configuration interface. In some possible implementations, the wireless communication connection between the communication module 308 and the smart door lock can be encrypted by a preset encryption algorithm. Alternatively, the preset encryption algorithm is an AES (Advanced Encryption Standard) algorithm.

[0086] In one example embodiment, after the device configuration interface of the terminal device completes the pairing of the long power supply device 40 and the designated smart door lock, the terminal device sends a corresponding pairing instruction to the long power supply device 40. After the control module 304 of the long power supply device 40 receives the pairing instruction, the control module 304 establishes an encrypted wireless communication connection with the smart door lock through the communication module 308 based on the AES algorithm.

[0087] It can be understood that the UWB module in the conventional technology needs to be powered by the built-in power supply of the smart door lock, which greatly limits the installation position of the UWB module and greatly affects the endurance of the smart door lock. However, the long power supply device 40 with the built-in UWB module establishes a wireless communication connection with the smart door lock through the communication module 308, which eliminates the limitation of the installation position of the UWB module by the smart door lock, improves the flexibility of the UWB module, and does not affect the endurance of the smart door lock.

[0088] In some example embodiments, the communication module 308 is any one of a Bluetooth module, a Thread module, a Zigbee module, and a Wi-Fi module.

[0089] It can be understood that the arrangement of the communication module 308 is not limited to the implementation manners mentioned in the above embodiments, as long as the wireless communication connection between the communication module 308 and the smart door lock can be established, and the arrangement of the communication module 308 is not limited in the present application.

[0090] In one embodiment, the present application provides a long power supply device, which comprises a power supply module for connecting to a commercial power supply and a door lock control circuit as described in any one of the above embodiments. The power supply module comprises a commercial power supply interface for connecting to the commercial power supply.

[0091] Specifically, the long power supply device can connect to the commercial power supply through the commercial power supply interface of the power supply module, and can obtain long-term and stable power supply.

[0092] Exemplarily, the long power supply device can be a smart doorbell, a camera, a roller shutter device, a password input keyboard, etc. It can be understood that the type of the long power supply device is not limited to the implementation manners mentioned in the above embodiments, as long as it is a device capable of obtaining long-term and stable power supply. The present embodiment does not specifically limit the type of the long power supply device.

[0093] In an exemplary embodiment, the long power supply device can be connected to the power grid through a power interface to provide stable and continuous long power supply for the door lock control circuit 30, thereby avoiding the UWB module 302 of the door lock control circuit from consuming the battery power of the smart door lock, and effectively improving the endurance of the smart door lock.

[0094] In one of the embodiments, as shown in Figure 3 The long power supply device 40 further includes an image acquisition module 50; the image acquisition module 50 is connected to the control module 304,

[0095] The control module 304 is configured to receive the UWB signal, and output a start signal to the image acquisition module 50 to obtain image information if it is determined based on the UWB signal that an outdoor object is close to the door lock.

[0096] The control module 304 is configured to receive a pull stream request from a terminal device, and send the image information to the terminal device.

[0097] Exemplarily, according to the received pull stream request, the image acquisition module 50 can output the image information to the terminal device that sends the pull stream request. The pull stream request can be a request for pulling the image information sent by the terminal device with administrator permission. Alternatively, the image information can be image information of a specified image acquisition area. In some possible implementations, the image acquisition area can be a specified area range outside the smart door lock. Alternatively, the image acquisition module 50 can include a camera.

[0098] Specifically, in the case where the control module 304 determines based on the UWB signal that an outdoor object is close to the door lock, a start signal is output to the image acquisition module 50 to activate the image acquisition module 50 to obtain image information. If the control module 304 receives a pull stream request from a terminal device, the image information acquired by the image acquisition module 50 is sent to the terminal device that sends the pull stream request. It can be understood that through the image acquisition module 50, the terminal device can conveniently obtain image information of a specified outdoor area, thereby improving the security of the smart door lock.

[0099] In one of the embodiments, the long power supply device is any one of a smart doorbell, a camera, a roller shutter device, and a password input keyboard.

[0100] In one possible implementation, the long power supply device is, for example, Figure 4The shown long-powered device 40 is a smart doorbell as an example, and an exemplary specific implementation is as follows:

[0101] In one possible implementation, the long-powered device is a long-powered camera installed outside the door. Exemplarily, when the long-powered camera detects that the unlocking object enters a certain distance range in front of the door through the UWB module, the long-powered camera sends a control signal to the smart door connected thereto to instruct the automatic unlocking of the gate.

[0102] In one possible implementation, the long-powered device is a long-powered roll shutter device in a garage. Exemplarily, when the long-powered roll shutter device detects that the unlocking object approaches a certain distance range in front of the garage gate through the UWB module, the long-powered roll shutter device sends an unlocking instruction to the gate connected thereto to automatically open the door.

[0103] In one possible implementation, the long-powered device is a long-powered password input keyboard on a password lock. Exemplarily, when the long-powered password input keyboard detects that the unlocking object approaches the password lock to a certain distance range through the UWB module, the long-powered password input keyboard sends an unlocking instruction to the password lock connected thereto to automatically unlock, thereby providing another convenient unlocking method.

[0104] It can be understood that the types of the above-mentioned long-powered devices are not limited to the implementation manners mentioned in the above-mentioned embodiments, as long as they can realize the long-powered supply to the UWB module, and the types of the long-powered devices are not specifically limited here.

[0105] In order to further illustrate the present application, the following is described in combination with a specific example. Take Figure 3 The shown long-powered device 40 is a smart doorbell as an example, and an exemplary specific implementation is as follows:

[0106] ① User and device preparation stage:

[0107] Firstly, the user can bind the specified smart doorbell (i.e. the device end) and the door lock device (i.e. the specified smart door lock) in the application program client (mobile app) through the terminal device (such as a mobile phone, etc.), and perform device pairing and P2P encryption on the device configuration interface of the application program client to establish a local AES encrypted communication connection for wireless communication between the smart door lock and the smart doorbell.

[0108] Then, the user can register the UWB signaling device (such as a mobile phone / watch and the like) on the smart doorbell through the terminal device, so as to register the corresponding UWB key on the smart doorbell. For example, the registration mode can be similar to the registration mode of NFC (Near Field Communication), so that the device end knows that the terminal device has the unlocking permission. Optionally, the application client account can also be associated and bound with the smart door lock and the smart doorbell, so that the account can obtain the management permission of the smart door lock and the smart doorbell.

[0109] Then, the user can set the unlocking distance in the unlocking distance configuration interface of the application client, and can also share the UWB unlocking permission of the smart door lock with other users in the unlocking permission management interface. After the related parameter configuration is completed, the terminal device or the cloud end synchronously sends the configuration to the smart doorbell and the door lock, so that the parameters of each end are changed synchronously.

[0110] ②Device activation stage:

[0111] Since the power consumption of the UWB module is high, the smart doorbell is in a sleep state when the registered device is not detected, and the smart doorbell is maintained in a long power supply state through the power supply module of the mains interface.

[0112] The smart doorbell scans the area near the door through the Bluetooth module at a period of once every 100-300 ms. If the Bluetooth device does not find a terminal device of an outdoor object entering the scanning area, it continues to scan. When the smart doorbell detects that an outdoor object carrying a terminal device (i.e. a user device) enters the scanning range, it establishes a Bluetooth communication connection with the user device through the Bluetooth module. Based on the Bluetooth communication connection, if the smart doorbell identifies through the Bluetooth signal that the user device has logged into a client application account with unlocking permission, it determines that the terminal device carried by the outdoor object is a registered device, and wakes up the UWB module built-in the smart doorbell, and opens the UWB ranging function of the UWB module to accurately position the outdoor object.

[0113] The smart doorbell communicates with the user device through the UWB module, and continuously determines whether the registered device (such as a mobile phone) reaches the preset unlocking distance and outdoor orientation through the UWB signal. During the UWB communication process, after the smart doorbell receives the UWB signal sent by the user device, it first decrypts the received UWB signal through the pre-registered UWB key, judges whether the user device reaches the preset unlocking distance and outdoor orientation according to the decrypted UWB signal, and maintains the continuous and accurate positioning of the user device.

[0114] If the ranging result of the UWB module shows that the user equipment has reached the preset unlocking distance and the outdoor direction, and is still approaching the equipment end, the smart doorbell sends an encrypted unlocking instruction to the smart door lock through wireless communication (such as Thread, Zigbee, BLE, etc. Communication module), and synchronously ends the UWB ranging, and closes the UWB module (into sleep mode).

[0115] After the smart door lock receives the above-mentioned encrypted unlocking instruction (i.e. encrypted instruction), first, the encrypted instruction is decrypted to verify the security of the instruction. If the unlocking instruction is verified successfully, the smart door lock performs the unlocking operation, so that the user can unlock and enter the house; if the unlocking instruction fails, the error is fed back through the equipment end.

[0116] In one embodiment, the present application provides a door lock opening system, comprising a smart door lock and a long power supply device as described in any one of the above embodiments.

[0117] In the description of the present application, the description of the terms "some embodiments", "other embodiments", and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above-mentioned terms does not necessarily refer to the same embodiment or example. Each technical feature of the above-mentioned embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of each technical feature in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered as the scope of the present application.

[0118] The above-mentioned embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A door lock control circuit, characterized by comprising: The application is applied to a long power supply device connected with a smart door lock, the long power supply device comprises a power module for connecting a commercial power supply, and the circuit comprises: a UWB module coupled to the power module, the power module and the UWB module being in a long power supply state; the UWB module is used for collecting and outputting a UWB signal; a control module connected to the UWB module, used for receiving the UWB signal and outputting a control signal to the smart door lock based on the UWB signal to control the operation of the smart door lock.

2. The circuit of claim 1, wherein, The door lock control circuit further comprises: an identification module connected to the control module, used for collecting and outputting an identification signal representing whether a terminal device of an outdoor object has an unlocking permission; the control module is used for starting the UWB module according to the received identification signal.

3. The circuit of claim 2, wherein, The identification module comprises a Bluetooth module.

4. The circuit of claim 3, wherein, The Bluetooth module is used for scanning a Bluetooth signal at a preset period, establishing a Bluetooth connection with the terminal device of the outdoor object when the Bluetooth signal of the terminal device is scanned, and collecting the Bluetooth signal emitted by the terminal device as the identification signal output to the control module; the control module is used for starting the UWB module if it is determined according to the identification signal that the terminal device has an unlocking permission, so that the UWB module collects a UWB signal; the control module is used for receiving the UWB signal sent by the UWB module, and is used for sending the control signal to the smart door lock to instruct the door lock to perform an unlocking operation if it is determined based on the UWB signal that the terminal device meets an unlocking condition, and closing the UWB module.

5. The circuit of claim 1, wherein, The door lock control circuit further comprises a communication module; the control module establishes a wireless communication connection with the smart door lock through the communication module.

6. The circuit of claim 5, wherein, The communication module is any one of a Bluetooth module, a Thread module, a Zigbee module and a Wi-Fi module.

7. A long power supply device, characterized by comprising: The long power supply device comprises a power module for connecting a commercial power supply, and further comprises the door lock control circuit according to any one of claims 1 to 6; the power module comprises a commercial power interface for connecting a commercial power supply.

8. The long powered device according to claim 7, wherein The long power supply device further comprises an image collection module; the image collection module is connected to the control module, the control module is used for receiving the UWB signal, and outputting a starting signal to the image collection module to obtain image information if it is determined based on the UWB signal that an outdoor object is close to the door lock; the control module is used for receiving a stream pulling request from a terminal device and sending the image information to the terminal device.

9. The long powered device according to claim 7, wherein The long power supply device is any one of a smart doorbell, a camera, a roller shutter device and a password input keyboard.

10. A door lock opening system characterized by comprising: The application comprises a smart door lock and the long power supply device according to any one of claims 7 to 9.

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