Gated smart home system

Abstract

The utility model provides a gated intelligent household system, and belongs to the technical field of intelligent household. Comprising a door control main control board, an intelligent door lock, an intelligent home linkage chip, an intelligent home gateway and a plurality of intelligent home sub-devices, the intelligent door lock is used for identifying unlocking operation of a user; the intelligent home linkage chip is arranged in the door control main control board, and the intelligent home linkage chip can receive an unlocking signal of the intelligent door lock and a signal of a shortcut key on a door control rear screen panel and generate a corresponding instruction data packet according to the received signal. According to the utility model, the intelligent household linkage chip is arranged, and the intelligent household linkage chip supports a wireless communication protocol of one of WIFI, Bluetooth or Zigbee, so that the intelligent household linkage chip can stably communicate with the intelligent household gateway, the linkage function of the door control and other household equipment is enriched, and the purpose of convenient and fast household automatic control is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of smart home, and particularly relates to a door-controlled smart home system. Background Art

[0002] With the rapid development of technology, the smart home industry has entered a period of booming development. People's pursuit of the quality of life is constantly increasing, and they are more and more eager for a more convenient, comfortable and intelligent home environment. As an important entrance to smart home, intelligent door control has gradually received wide attention. It not only shoulders the heavy responsibility of ensuring home safety, but also plays a key interactive role in the smart home system, and its degree of intelligence directly affects the experience of the entire home life.

[0003] However, for the current intelligent door control systems in the market, on the one hand, there are problems of unstable connection and poor compatibility in connecting with smart home devices, making it difficult for intelligent door control to work efficiently with other smart home devices and unable to fully exert the overall advantages of smart home. On the other hand, the linkage function between door control and other home devices is relatively single, lacking convenient automatic control. During the use process, it is difficult for users to achieve the coordinated response of multiple devices through simple operations, and the operation process is cumbersome, resulting in a poor user experience. In addition, the traditional door control panel has simple functions and complex operations, and its design lacks humanization, unable to meet the needs of users for convenient and efficient operations. Content of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a door-controlled smart home system to solve the technical problems raised in the background art.

[0005] Technical Solution: To achieve the above objectives, this utility model provides the following technical solution: A door-controlled smart home system, comprising: a door control main board, a smart door lock, a smart home linkage chip, a smart home gateway, and multiple smart home sub-devices; the smart door lock is used to identify user unlocking operations; the smart home linkage chip is disposed in the door control main board, and the smart home linkage chip can receive unlocking signals from the smart door lock and signals from shortcut buttons on the door control rear panel, and generate corresponding instruction data packets based on the received signals; the smart home gateway is communicatively connected to the smart home linkage chip, and is used to receive the instruction data packets and send control commands to the multiple smart home sub-devices based on the instruction data packets; the multiple smart home sub-devices perform corresponding actions based on the received control commands, wherein the response time of the smart door lock in identifying user unlocking operations does not exceed 0.8 seconds; the time of the smart home linkage chip in generating instruction data packets does not exceed 0.3 seconds; the total delay of the smart home gateway in receiving instruction data packets and sending control commands to the smart home sub-devices does not exceed 1 second; and the response time of the smart home sub-devices in executing actions after receiving control commands does not exceed 2 seconds.

[0006] In another embodiment, the gate control main control board is connected to a WIFI / audio / video codec chip, a face / palm vein module, a fingerprint recognition module, a touch button chip, and a power management chip. The WIFI / audio / video codec chip is connected to a display module and a camera module. The WIFI / audio / video codec chip acquires data via a network connection and encodes the images and videos captured by the camera module, simultaneously outputting the decoded information to the display module for display. The face / palm vein module and fingerprint recognition module are used for accurate biometric identification, providing users with… It offers multiple safe and reliable unlocking methods; the touch button chip is responsible for collecting button operation signals on the door control rear screen panel, while the power management chip ensures stable power supply to the entire circuit system and ensures the normal operation of each component; the WIFI / audio-visual codec chip supports dual-band (2.4GHz and 5GHz) Wi-Fi connectivity, and the video encoding format supports H.265; the recognition accuracy of the face / palm vein module is no less than 99.8%, and the false rejection rate of the fingerprint recognition module is less than 0.1%; the button life of the touch button chip is no less than 50,000 times; the output voltage ripple of the power management chip is less than 50mV.

[0007] In a further embodiment, the gate control main control board is also connected to a power converter, which is used to convert the externally input power into a voltage suitable for the normal operation of the gate control main control board. The conversion efficiency of the power converter is not less than 88% under rated load. When the input voltage fluctuates within ±15% of the rated value, the fluctuation range of the output voltage is controlled within ±2%. It has an over-temperature protection function, which automatically reduces the output power or cuts off the output when the temperature exceeds 85°C.

[0008] In a further embodiment, the shortcut buttons on the door control rear screen panel include a "Home" button and a "Leave" button. When the "Home" button is pressed, the smart home linkage chip generates a "Home" mode instruction data packet; when the "Leave" button is pressed, the smart home linkage chip generates a "Leave" mode instruction data packet. The "Home" and "Leave" buttons are convenient entry points for users to quickly switch between scenes, designed to simplify user operation. Pressing the "Home" button automatically turns on various devices to create a comfortable environment; pressing the "Leave" button turns off related devices, achieving one-click smart scene control and improving the convenience and intelligence of home life. The "Home" and "Leave" buttons feature a unique tactile design for easy blind operation; the transmission delay of the button trigger signal does not exceed 0.1 seconds; the content of the "Home" / "Leave" mode instruction data packet generated by the smart home linkage chip can be customized by the user in the smart home APP, and supports at least 10 different combinations of device control commands.

[0009] In a further embodiment, the smart home linkage chip supports at least one of the communication protocols of Wi-Fi, Bluetooth, and Zigbee to communicate with the smart home gateway. The communication signal is modulated and demodulated according to the selected communication protocol. When the Wi-Fi communication protocol is selected, the transmission rate of the smart home linkage chip is not less than 150Mbps; under the Bluetooth communication protocol, the connection stability remains stable without dropping the connection at a signal strength of -80dBm; the Zigbee communication protocol supports network connections of at least 64 nodes.

[0010] In a further embodiment, the smart door lock supports at least one unlocking method selected from face, palm vein, fingerprint, card, and password, and is connected to the door control main board via a multi-core cable. The multi-core cable includes a power line and a data transmission line. The power line provides operating power to the door lock, and the data transmission line transmits unlocking signals and door lock status information using RS485 or UART communication protocols. The power line and data transmission line of the multi-core cable have clearly defined functions to ensure normal operation of the door lock and enable bidirectional data interaction with the door control main board, allowing the door control main board to monitor the door lock status in real time. The false recognition rate of each unlocking method of the smart door lock is less than 0.01%. The wire diameter of the power line in the multi-core cable is not less than 0.75mm² and can carry at least 3A of current. The maximum transmission distance of the data transmission line under the RS485 protocol is not less than 1200 meters, and the transmission error rate under the UART protocol is less than 0.001%.

[0011] In a further embodiment, the door control main control board and the smart door lock are connected via a multi-core cable, including a multi-core cable for power input (power line), a multi-core cable for UART TX / RX interface connection (UART data transmission line), and a multi-core cable for RS485 A / B interface connection (RS485 data transmission line). The door control main control board is also connected to a protection circuit, which includes a TVS diode for overvoltage protection, an ESD device for electrostatic discharge protection, and an optocoupler / magnetic coupler for isolation protection. The different functional lines in the multi-core cable ensure the reliability of power supply and data transmission, while the protection circuit effectively resists overvoltage, electrostatic discharge, and electrical isolation issues, preventing external interference from damaging the door control main control board and the smart door lock, extending the equipment's lifespan, and ensuring stable system operation. The clamping voltage of the TVS diode does not exceed 1.2 times the maximum allowable voltage value of the device under transient overvoltage conditions; the ESD device can withstand at least ±15kV of air discharge and ±8kV of contact discharge; and the insulation resistance of the optocoupler / magnetic coupler is not less than 1000MΩ.

[0012] In a further embodiment, the main door control chip on the main door control board is also connected to a camera sensor chip, a door opener signal control chip, a sliding door opener signal processing chip, a Wi-Fi signal processing chip, a video encoding chip, a rear lock control processing chip, a face recognition chip, a fingerprint recognition chip, a front touch button chip, a rear touch button chip, and a power management chip. The main door control chip is an MCU. From camera sensing and door opener control to signal processing, video encoding, and various recognition and button processing, a complete intelligent door control system is constructed to ensure the intelligent and automated operation of the door control system. The computing power of the main door control chip (MCU) is not less than 120 DMIPS; the frame rate of the camera sensor chip is not less than 30 fps; the control accuracy of the door opener signal control chip reaches ±2 mm; and the receiving sensitivity of the Wi-Fi signal processing chip is not less than -90 dBm.

[0013] In a further embodiment, the gate control rear screen panel is provided with a screen display area for displaying operation prompts, monitoring screens, device status information, and time information, wherein the size of the screen display area is not less than 3.5 inches; the response time for automatic adjustment of display brightness when ambient light changes does not exceed 2 seconds; and the update frequency of the displayed content is not less than 1Hz.

[0014] In a further embodiment, the smart door lock has a card recognition area on the outer panel of the door control panel to sense and recognize inserted or approaching cards, and transmit the recognition signal to the door control main control board. After processing, the unlocking operation is realized. The card recognition area supports non-contact cards of ISO14443 standard; the recognition distance is within the range of 2-5 cm; the recognition success rate is not less than 99%; and it has an anti-collision mechanism that can handle the recognition operation when multiple cards are approaching at the same time.

[0015] Beneficial effects: 1. When the smart door lock is successfully unlocked by multiple methods such as face, palm vein, fingerprint, card, password, etc., or when the user presses the quick home button or leave button on the inner panel of the door control, the linkage chip will quickly analyze the signal and generate the corresponding instruction data packet; after receiving the data packet, the smart home gateway sends control commands to various smart home sub-devices such as lights, curtains, fresh air system, air conditioner, etc. according to preset rules, automatically realizing functions such as turning on and adjusting the devices to create a comfortable environment when returning home, and turning off all electrical devices when leaving home; enriching the linkage function between the door control and other home devices, realizing convenient automated control, and users only need to operate simply to make multiple devices respond in unison.

[0016] 2. By embedding a specially designed smart home linkage chip into the core motherboard of the smart door control system, this chip supports a variety of common smart home communication protocols, such as Wi-Fi, Bluetooth, and Zigbee. When connected to a smart home gateway, the communication module performs precise signal modulation and demodulation according to the selected protocol. Furthermore, measures such as setting up shielding covers and optimizing PCB routing are taken in the circuit design to reduce electromagnetic interference. This enables the smart door control system to establish a stable and efficient communication connection with smart home devices, effectively solving the problems of unstable connection and poor compatibility, and realizing efficient collaborative work between the smart door control system and other smart home devices.

[0017] 3. The intelligent door control panel is divided into a rear screen panel and an outer panel. The rear screen panel includes a display area, unlock button, lock button, home button, away button, and video preview button. The home and away buttons feature unique icon designs that are simple, clear, and easy for users to quickly identify and operate in different scenarios. The outer panel includes a face / camera module, card recognition area, numeric keypad, and fingerprint recognition module, meeting diverse unlocking needs. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a layout diagram of the inner and outer panels of the door control system.

[0020] Figure 2 This is a diagram showing the communication connection circuit between the buttons inside the door and the linkage chip.

[0021] Figure 3 This is a block diagram of the intelligent gate control system.

[0022] Figure 4 This is a diagram showing the connection between the gate control core motherboard and functional components.

[0023] Figure 5 This is a schematic diagram showing the connection between the core motherboard of the door control system, the protection circuit, and the smart door lock.

[0024] Figure 6 This is a schematic diagram showing the connection between the main gate chip and other chips.

[0025] Figure 7 This is a connection diagram of the linkage chip, Bluetooth communication, and smart gateway.

[0026] Figure 8 This is a schematic diagram showing the connection between the linkage chip and the smart home gateway. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in this utility model are described clearly and completely. Obviously, the described embodiments are only some, not all, of the embodiments in this utility model. All other embodiments obtained by those skilled in the art based on the embodiments in this utility model without creative effort are within the scope of protection of this utility model.

[0028] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.

[0029] Reference Figure 1-8A door-controlled smart home system includes: a door control main control board, a smart door lock, a smart home linkage chip, a smart home gateway, and multiple smart home sub-devices; the smart door lock is used to recognize user unlocking operations; the smart home linkage chip is installed in the door control main control board, and the smart home linkage chip can receive unlocking signals from the smart door lock and signals from shortcut buttons on the door control rear panel, and generate corresponding instruction data packets based on the received signals; the smart home gateway is communicatively connected to the smart home linkage chip, and is used to receive the instruction data packets and send control commands to the multiple smart home sub-devices based on the instruction data packets; the multiple smart home sub-devices perform corresponding actions according to the received control commands.

[0030] It achieves automated linkage control between smart door control and smart home devices; through smart door locks recognizing user unlocking operations, smart home linkage chips processing signals and generating instruction data packets, and smart home gateways forwarding instructions, multiple smart home sub-devices can perform corresponding actions according to instructions, making user door control operations closely linked to changes in the status of home devices, improving the convenience and intelligence of home life.

[0031] The main control board for door control is equipped with a WIFI / audio / video codec chip, a face / palm vein module, a fingerprint recognition module, a touch button chip, and a power management chip. The WIFI / audio / video codec chip is connected to a display module and a camera module.

[0032] It achieves a multi-functional integration effect of the door control system; the WIFI / audio-video codec chip, face / palm vein module, fingerprint recognition module and other components work together to achieve functions such as identity recognition, audio and video processing and display, operation signal acquisition and stable power supply, providing users with a variety of unlocking methods, while meeting users' needs for viewing monitoring screens and operating equipment.

[0033] The gate control main control board is also connected to a power converter, which is used to convert the externally input power into a voltage suitable for the normal operation of the gate control main control board.

[0034] It achieves the effect of providing a stable and compatible voltage for the gate control main control board; the power converter converts the external input power into a voltage suitable for the normal operation of the gate control main control board, ensuring that the gate control main control board and its connected components can operate in a stable power environment, avoiding equipment failure or abnormal operation due to voltage problems.

[0035] The shortcut buttons on the door control rear screen panel include a home button and a leave button. When the home button is pressed, the smart home linkage chip generates a home mode instruction data packet. When the leave button is pressed, the smart home linkage chip generates a leave mode instruction data packet.

[0036] It achieves the effect of triggering smart home scene modes with one click; when the user presses the "Home" or "Leave Home" button on the back panel of the door control, the smart home linkage chip generates the corresponding mode instruction data packet, which controls the smart home sub-devices through the smart home gateway, so as to automatically turn on the relevant devices when returning home and automatically turn off the devices when leaving home, simplifying the user operation process and improving the convenience of home life.

[0037] The smart home linkage chip supports at least one of the communication protocols of Wi-Fi, Bluetooth, and Zigbee, and communicates with the smart home gateway. The communication signal is modulated and demodulated according to the selected communication protocol.

[0038] It achieves stable communication between the smart door control system and the smart home gateway; the smart home linkage chip supports multiple communication protocols, and can select the appropriate protocol to communicate with the smart home gateway according to actual needs. The communication signal is modulated and demodulated to ensure accurate and efficient data transmission between different devices, and to ensure the interconnection between the door control system and smart home devices.

[0039] The smart door lock supports at least one unlocking method among face, palm vein, fingerprint, card, and password, and is connected to the door control main board via a multi-core cable. The multi-core cable includes a power line and a data transmission line. The power line provides power to the door lock, and the data transmission line uses RS485 or UART communication protocols to transmit unlocking signals and door lock status information.

[0040] It achieves multiple unlocking methods for smart door locks and a stable connection with the door control main board; the smart door lock supports multiple unlocking methods to meet the usage habits and security needs of different users. The power line and data transmission line in the multi-core cable supply power to the door lock and transmit unlocking signals and door lock status information respectively, so that the door control main board can monitor the door lock status in real time and ensure the security and reliability of the door control system.

[0041] The door control main control board is connected to the smart door lock via a multi-core cable, including a multi-core cable for power input (power line), a multi-core cable for UART TX / RX interface connection (UART data transmission line), and a multi-core cable for RS485 A / B interface connection (RS485 data transmission line). The door control main control board is also connected to a protection circuit, which includes a TVS diode for overvoltage protection, an ESD device for electrostatic discharge protection, and an optocoupler / magnetic coupler for isolation protection.

[0042] It achieves reliable connection and circuit protection between the main control board and the smart door lock; the different functional lines in the multi-core cable ensure the stability of power supply and data transmission; the TVS diodes, ESD devices and optocouplers / magnetic couplers in the protection circuit play the roles of overvoltage protection, electrostatic protection and isolation protection respectively, preventing electrical interference and damage, extending the service life of the equipment and ensuring the stable operation of the system.

[0043] The main door control chip on the main door control board is also connected to a camera sensor chip, a door opening signal control chip, a sliding door signal processing chip, a WIFI signal processing chip, a video encoding chip, a rear lock control processing chip, a face recognition chip, a fingerprint recognition chip, a front touch button chip, a rear touch button chip, and a power management chip. The main door control chip is an MCU.

[0044] It achieves the effect of multi-task processing and precise control of the main control board of the door control system; the main control chip (MCU) connects to multiple functional chips to work together to complete tasks such as camera sensing, door opening machine control, signal processing, video encoding, recognition verification and button operation processing, ensuring that the functional modules of the door control system work in a coordinated manner and realize intelligent and automated control.

[0045] The gate control rear panel has a screen display area for displaying operation prompts and monitoring information.

[0046] It achieves the effect of providing users with an intuitive interactive interface; the screen display area of ​​the door control rear panel displays operation prompts and monitoring screens, helping users to operate the door control system correctly, understand the situation at the door in real time, enhance users' sense of control over the door control system, and improve user experience and security.

[0047] The smart door lock has a card recognition area on the outer panel of the door control panel to sense and recognize inserted or approached cards, and transmit the recognition signal to the main control board of the door control panel. After processing, the unlocking operation is realized.

[0048] It achieves the effect of smart door lock card unlocking function; the card recognition area of ​​the smart door lock door control outer panel senses the card and transmits the recognition signal to the door control main control board for processing, providing users with another convenient unlocking method in addition to biometric recognition and password unlocking, increasing the diversity and applicability of the door control system unlocking methods.

[0049] During use, when a user approaches the smart lock, they can unlock it using at least one of the following methods: face recognition, palm vein recognition, fingerprint recognition, card recognition, or password. After recognizing the user's unlocking action, the smart lock transmits the unlocking signal to the main control board via a data transmission line in a multi-core cable (using RS485 or UART communication protocol). Simultaneously, if the user presses a shortcut button (such as the "Home" or "Away" button) on the rear panel of the door control system, the button signal is also transmitted to the main control board. The smart home linkage chip on the main control board receives the unlocking signal from the smart lock and the signals from the shortcut buttons on the rear panel, and generates corresponding instruction data packets based on the received signals. The power converter connected to the main control board converts the externally input power... The power source is converted to a voltage suitable for the normal operation of the door control main control board, ensuring the power supply of the entire system. The connected WIFI / audio / video codec chip, face / palm vein module, fingerprint recognition module, touch button chip, and power management chip work together. The display module and camera module connected to the WIFI / audio / video codec chip provide corresponding display and image acquisition functions. The door control main chip (MCU) on the door control main control board, connected to the camera sensor chip, door opening signal control chip, sliding door signal processing chip, WIFI signal processing chip, video encoding chip, rear lock control processing chip, face recognition chip, fingerprint recognition chip, front touch button chip, rear touch button chip, and power management chip, collectively completes various functions. The chip handles signal processing and control tasks. It supports at least one communication protocol among Wi-Fi, Bluetooth, and Zigbee. If Wi-Fi is used, it can connect to a Wi-Fi router via the door control system. Data is transmitted to a cloud server via the Wi-Fi router, and smartphones can access the cloud server via the network, enabling remote monitoring and operation of the smart home system. For example, users can view monitoring footage captured by the camera module on the back panel of the door control system while away from home via their smartphones. They can also send commands via their phones on their way home, which are transmitted to the smart home chip via the cloud server and Wi-Fi router, allowing the smart home gateway to control smart home devices to prepare in advance, such as turning on the air conditioner or lights. The smart home linkage chip generates instruction data packets and sends them to the smart home gateway through the aforementioned network path. The communication signal is modulated and demodulated according to the selected communication protocol. After receiving the instruction data packets, the smart home gateway sends control commands to multiple smart home sub-devices. The multiple smart home sub-devices perform corresponding actions according to the received control commands, such as turning on lights or adjusting the air conditioning temperature. In addition, the door control rear panel has a screen display area that can display operation prompts, monitoring images, and other information, providing users with interaction and information display. The card recognition area on the outer panel of the smart door lock's door control can sense and recognize inserted or approaching cards and transmit the recognition signal to the door control main control board, which processes it to realize the unlocking operation.The door control main board is connected to the smart door lock via a multi-core cable, including a power cable for power input, a UART data transmission line for UART TX / RX interface connection, and an RS485 data transmission line for RS485 A / B interface connection. Furthermore, the protection circuitry connected to the door control main board (including TVS diodes for overvoltage protection, ESD devices for electrostatic discharge protection, and optocouplers / magnetic couplers for isolation protection) ensures stable system operation.

[0050] The figures shown in the accompanying drawings are illustrative and are intended only to more intuitively demonstrate the key structure and connection relationships of a door-controlled smart home system of this utility model. In practical applications, the appearance and size of the device can be adjusted and optimized according to specific needs.

[0051] This utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the spirit and scope of this utility model. To provide the public with a thorough understanding of this utility model, specific details have been described in detail in the above preferred embodiments; however, those skilled in the art can fully understand this utility model even without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this utility model, well-known methods, processes, procedures, components, and circuits have not been described in detail.

[0052] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.

Claims

1. A door-controlled smart home system, characterized in that, include: Door control main control board, smart door lock, smart home linkage chip, smart home gateway and multiple smart home sub-devices; The smart door lock is used to recognize user unlocking operations; The smart home linkage chip is installed in the door control main control board. The smart home linkage chip can receive the unlocking signal of the smart door lock and the signal of the shortcut button on the door control rear screen panel, and generate corresponding instruction data packets according to the received signals. The smart home gateway is communicatively connected to the smart home linkage chip, and is used to receive the instruction data packet and send control commands to the plurality of smart home sub-devices according to the instruction data packet; the plurality of smart home sub-devices perform corresponding actions according to the received control commands.

2. The door-controlled smart home system according to claim 1, characterized in that: The main control board for door control is equipped with a WIFI / audio / video codec chip, a face / palm vein module, a fingerprint recognition module, a touch button chip, and a power management chip. The WIFI / audio / video codec chip is connected to a display module and a camera module.

3. The door-controlled smart home system according to claim 1, characterized in that: The gate control main control board is also connected to a power converter, which is used to convert the externally input power into a voltage suitable for the normal operation of the gate control main control board.

4. The door-controlled smart home system according to claim 1, characterized in that: The shortcut buttons on the door control rear screen panel include a home button and a leave button. When the home button is pressed, the smart home linkage chip generates a home mode instruction data packet. When the leave button is pressed, the smart home linkage chip generates a leave mode instruction data packet.

5. A door-controlled smart home system according to claim 2, characterized in that: The smart home linkage chip supports at least one of the communication protocols of Wi-Fi, Bluetooth, and Zigbee, and communicates with the smart home gateway. The communication signal is modulated and demodulated according to the selected communication protocol.

6. A door-controlled smart home system according to claim 1, characterized in that: The smart door lock supports at least one unlocking method among face, palm vein, fingerprint, card, and password, and is connected to the door control main board via a multi-core cable. The multi-core cable includes a power line and a data transmission line. The power line provides power to the door lock, and the data transmission line uses RS485 or UART communication protocols to transmit unlocking signals and door lock status information.

7. A door-controlled smart home system according to claim 1, characterized in that: The door control main control board is connected to the smart door lock via a multi-core cable, including a multi-core cable for power input (power line), a multi-core cable for UART TX / RX interface connection (UART data transmission line), and a multi-core cable for RS485 A / B interface connection (RS485 data transmission line). The door control main control board is also connected to a protection circuit, which includes a TVS diode for overvoltage protection, an ESD device for electrostatic discharge protection, and an optocoupler / magnetic coupler for isolation protection.

8. A door-controlled smart home system according to claim 1, characterized in that: The main door control chip on the main door control board is also connected to a camera sensor chip, a door opening signal control chip, a sliding door signal processing chip, a WIFI signal processing chip, a video encoding chip, a rear lock control processing chip, a face recognition chip, a fingerprint recognition chip, a front touch button chip, a rear touch button chip, and a power management chip. The main door control chip is an MCU.

9. A door-controlled smart home system according to claim 1, characterized in that: The gate control rear panel has a screen display area for displaying operation prompts and monitoring information.

10. A door-controlled smart home system according to claim 1, characterized in that: The smart door lock has a card recognition area on the outer panel of the door control panel to sense and recognize inserted or approached cards, and transmit the recognition signal to the main control board of the door control panel. After processing, the unlocking operation is realized.

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