KR20230035958A - System and method for smart home with multi motion sensor - Google Patents

Abstract

The present invention relates to lighting control and load management to prevent communication failures and IoT communication module failures. The present invention overcomes the limitations of conventional simple lighting control and lighting switches and provides intelligent motion control through multi-faceted human detection and proximity occupancy management that provides 'always connect, always detect' manner. The present invention is equipped with a sensor module that provides motion detection and wireless detection without malfunction through algorithms thereof. The present invention includes a voice home smart office that provides AI voice recognition in conjunction with a cloud virtual machine to a device that provides online/offline network communication through an IoT module, and includes an intrusion detection function, an occupancy detection function, and one or more lighting control function through smartphone-linked AI voice control, an emotional lighting, a medical health lighting, and a sterilizing lighting, and can integrate control of air purifiers of heterogeneous air conditioners through IR.

Description

Smart home system and its control method through multiple sensors {SYSTEM AND METHOD FOR SMART HOME WITH MULTI MOTION SENSOR}

The present invention relates to smart home technology, and more particularly, to a smart home system through multiple sensors and a control method thereof.

By innovating a wall switch for simple lighting control and on/off control or a physical button without network communication function, control with a smartphone and voice, Internet of Things, cloud service linkage, non-power button linkage, etc. are required. It's possible.

The background art of the present invention is published in Korean Registered Patent No. 10-2242787.

The present invention includes a dimming circuit through non-linear sensitivity correction through a module equipped with a rectification circuit through AC input and an energy efficiency dedicated circuit as an independent control power supply device, and prevents communication failure and IOT communication module failure. Provides lighting control and load management to prevent

The present invention downloads OTA (Over The Air) and firmware remotely through a software method (SDN), defines the function of the device according to the user's use, and uses a virtual sensor without the need to separately purchase a device for each function. .

The present invention overcomes the limitations of conventional simple lighting control and lighting switches and provides intelligent operation control through multi-faceted human body detection and proximity occupancy management that provides always connect and always detect.

The present invention is equipped with a sensor module that provides wireless detection and motion detection without malfunction through its own algorithm, and is a device that provides on/offline network communication through an IoT module, providing AI voice recognition in conjunction with a cloud virtual machine. Voice Home Smart Office Intrusion detection, occupancy detection, smartphone-linked AI voice control, including one or more lighting controls, emotional lighting, medical health lighting, sterilization lighting, and integrated control of air purifiers of heterogeneous air conditioners through IR do.

The technical problem to be achieved by the present invention is not limited to the above-mentioned technical problem, and other technical problems not mentioned can be clearly understood by those skilled in the art from the description below. There will be.

According to one aspect of the present invention, a smart home system through multiple sensors is provided.

The smart home system according to an embodiment of the present invention includes energy electrical design for home energy management and carbon emission, and efficiently detects single/multi-type motion detection and dynamic detection for human body motion detection, It is about efficiency and productivity in management, and how to operate as an intelligent control system.

A smart home system according to an embodiment of the present invention can adjust package air conditioners, lighting devices, blinds, etc. covering a plurality of indoor spaces, and is an occupant adaptive home energy management system that considers not only indoor environment information but also outdoor environment information. can include

According to another aspect of the present invention, a control method of a smart home system through multiple sensors is provided.

According to an embodiment of the present invention, it is possible to detect occupancy more effectively than a simple passive infrared detection method through a high-sensing, high-efficiency, high-functionality motion sensor and malfunction alarm, thereby providing an optimized smart home management system. .

According to an embodiment of the present invention, it is possible to provide low-power, low-latency real-time programming with a built-in software-type embedded system equipped with a microprocessor.

According to an embodiment of the present invention, it maximizes energy efficiency by preventing fade-in, fade-out, overvoltage, and overload, and provides top-notch lighting control and brightness dimming control for subminiature stabilized power supply.

According to an embodiment of the present invention, as a product based on the IoT core platform, sensor module-based virtual complex sensor voice-based sensor control interlocking automatic network synchronization is provided through remote control through a smartphone app to maximize IoT-based smart home hub control efficiency. and virtual machine matching through smart home sensor data.

According to an embodiment of the present invention, it is possible to link the Internet of Things (IoT) with a remote control and a smart phone by incorporating a remote control function without separately installing a smart home electronic device.

The effects of the present invention are not limited to the above effects, and should be understood to include all effects that can be inferred from the description of the present invention or the configuration of the invention described in the claims.

1 to 16 are diagrams for explaining a smart home system through multiple sensors and a control method thereof according to an embodiment of the present invention.

Hereinafter, the present invention will be described with reference to the accompanying drawings. However, the present invention may be embodied in many different forms and, therefore, is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is said to be "connected (connected, contacted, combined)" with another part, this is not only "directly connected", but also "indirectly connected" with another member in between. "Including cases where In addition, when a part "includes" a certain component, it means that it may further include other components without excluding other components unless otherwise stated.

Terms used in this specification are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, terms such as "include" or "have" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

1 to 18 are diagrams for explaining a smart home system through multiple sensors and a control method thereof according to an embodiment of the present invention.

Referring to FIGS. 1 and 2, the smart home system through multiple sensors is a power supply device with an independent control unit, and through a module equipped with a rectification circuit through AC input and a circuit dedicated to energy efficiency, dimming through non-linear gamma correction. It includes a circuit and provides lighting control and load management to prevent communication failure and IOT communication module failure.

In addition, the smart home system through multiple sensors downloads OTA (Over The Air) and firmware remotely through software method (SDN), defines the function of the device according to the user's use, and needs to separately purchase the device for each function. Enables the use of virtualized sensors without

It overcomes the limitations of conventional simple light control and light switch, provides always connect, always detect, intelligent motion control through human body detection and proximity occupancy management, and wireless detection and motion detection without malfunction through its own algorithm. A device that is equipped with a sensor module that provides detection and provides on/offline network communication through the IoT module. Voice home that provides AI voice recognition in conjunction with cloud virtual machines. It includes one or more lighting control through AI voice control, emotional lighting, medical health lighting, and sterilization lighting, and integrates air purifiers of heterogeneous air conditioners through IR control.

Referring to FIGS. 3 to 11 , a smart home system using multiple sensors includes an energy saving control unit.

The energy-saving control unit is an all-in-one IoT and communication module that provides low-power, low-latency real-time programming with a built-in software-type embedded system equipped with a microprocessor. The energy-saving control unit interlocks digital sensor data through international standard Wi-Fi with the cloud service in the multi-communication module unit, and includes a dimming function that controls smart home lighting and brightness through built-in power control on-off dimming control. It can analyze human motion detection and dynamic occupancy detection that provides single mode and multi-mode through interlocking of multi-sensor modules.

The energy-saving control unit provides automatic setting of timer schedules according to human body detection, cloud interlocking of sensor data, and message processing through a smartphone and Ai speaker voice source, and can perform an IFTTT conditional command method.

The energy-saving control unit is a control unit characterized by a constant current method, and it is possible to control lighting through a non-powered ble beacon without the Internet. The energy-saving control unit can be used as general lighting by using an existing wall switch without a communication module through a separate circuit configuration (IOT lighting when a communication module is inserted), and color temperature control through multiple pwm signal control (color temperature changes according to the solar cycle) ) possible. In addition, the energy-saving control unit controls home appliances through IR control, can be controlled by voice using Google Home without installing a separate APP indoors, and can check whether the operation is executed when controlling electronic devices from the outside. Can be interlocked with plugs.

The energy-saving control unit provides an interface in the form of a slot (sd card) for doubling scalability and supports non-power switch specific mode / memory function for each user / fade in / out / gentle sleep.

In addition, the energy-saving control unit can be used as a DR demand response resource by setting up a WEB APP through QR scanning, and detecting intruders through human body detection at the front door, veranda, and laundry room (security mode when the last member of the household goes out at the front door), Lighting can be controlled based on ai through behavior patterns.

Energy-saving control unit can include, for example, ESP32-WROOM-32D, 2 CPU core / freeRTOS real-time operating system, Wi-Fi: 2.4 GHz ~ 2.5 GHz, Bluetooth v4.2 / BLE, input voltage 3.0 V ~ 3.6V, 4MB flash memory, 520KB SRAM, 448KB bootable, critical function ROM, operating temperature range: -40 °C to +85 °C, BLE communication via onboard antenna, average operating minimum current: 80mA (BLE / WiFi It may be the performance of the criterion when not using .

For example, the energy-saving control unit can connect 6 pins, and uses the 6 pins on the back to transfer the PIR signal and BEEP signal to the ESP, receive power from the SMPS, transmit it to v1.2, and Apply GND Copper to it, receive power and transfer it to the sensor through a 47 ohm, 220uF capacitor.

The energy-saving control unit may consider a connection method using, for example, an SD card, USB, or a third board, and a case of the same size may be used.

The energy-saving control unit connects to power, operates in AP mode, finds the MAC of the device on the smartphone and connects to Wi-Fi, ① registers e-mail and ② registers router information, operates Station mode, and sends a control page link to the registered e-mail. can

The energy-saving control unit is a normal operation for non-power switch On/Off control, non-power switch brightness control, Google Home App On/Off control, Google AI voice On/Off control, web page On/Off control, Google Home App / Google Voice / Brightness control and web page timer setting and schedule management functions can be included with the web page.

The energy-saving control unit is a module operation scenario. CPU operation after bootloader execution at ESP booting, heap memory initialization, gpio, nvs initialization, execution prior to WiFi initialization so that it can operate even if there is no WiFi connection, WiFi connection with registered router information, Initialize BLE, enter OTA server after connecting to WiFi, if the current uploaded version is different from the OTA server, reboot after updating, if it is the same as the current version, enter operating mode, compare the pwm value currently stored in the ESP32 flash memory with the Firebase value and then differ can be changed if

Energy-saving control unit controls ON / OFF through a web page, turns on by recalling the brightness value before OFF when the operation is ON, turns ON at 100% brightness if the brightness before OFF is set to 0, and adjusts the brightness using the slide bar The brightness can be adjusted from 1 to 100%, and it can be adjusted by turning the dial to 1 to 100% by adjusting the brightness through Google voice control and through the Google Home APP.

Referring to FIGS. 12 and 13 , the smart home system through multiple sensors can emotionally adjust the brightness of lighting. The human eye recognizes the brightness non-linearly, and after setting the basic gamma value to 1 and the gamma value to 2.2, the PWM duty value can be adjusted.

duty = M * (x/M)^gamma

duty = M * (x/M)^gamma

M : 최대값, x : 입력값

M: maximum value, x: input value

duty값은 13BIT resolition을 사용해 8190의 최대값을 가짐

Duty value has a maximum value of 8190 using 13BIT resolution

2000Hz의 주파수

Frequency of 2000Hz

The smart home system through multiple sensors provides the brightness of the light more naturally and non-linearly through self-designed sensibility correction so that the human body can most naturally feel the intensity of the reflected light due to the nature of the light. This is because the intensity of light perceived by the human body is in inverse proportion to the square of the distance between two objects, so it does not appear in a straight line. In addition, since optimal sensitivity correction is performed according to the brightness of light perceived by the human body, more natural lighting brightness and energy efficiency can be obtained with a substantially lower current value.

The smart home system through multiple sensors provides an intelligent method through brightness control of smart home lighting and efficiently provides energy saving through PWM signals through current control.

The smart home system through multiple sensors reacts and transmits motion information by adjusting the human body detection timer on/off detection time to fade out/in brightness control. In addition, it is possible to control the brightness lighting optimized for 24 hours by scheduling according to the timer (dawn/day/night).

The smart home system through multiple sensors maintains the on/off control power through the wall switch in the event of a failure, including controlling the brightness of the lighting through current control and checking the status of the controller. energy efficiency can be provided. Smart home system through multiple sensors, for example, no movement - 2 hours, slow movement -> 2 hours or less, the brightness can gradually decrease when a person leaving is not detected, and the gentle sleep mode after 30 minutes of detection of the stay zone ( 1 hour) to enter.

A smart home system through multiple sensors may include a home recommended automatic dimming mode. This provides a lighting environment close to natural light from sunrise to sunset in the morning through color temperature and dimming.

Smart home system through multiple sensors enables demand response control (electricity users change usage to meet demand), slow motion: no motion detection for a certain period of time. Ex) 1 hour, no motion: No motion detection for a certain period of time. Example) It can be controlled by setting the mode to 2 hours.

Referring to FIGS. 14 and 15 , the smart home system through multiple sensors can be optimized by downloading firmware.

The smart home system through multiple sensors downloads multiple firmwares and uses an algorithm that determines suitability (optimization) based on various causes (input values) such as space, users, usage methods, and energy efficiency, or automatically provides other firmware if not suitable. may contain logic.

Smart home system through multi-sensors is location based on various parameters according to brightness, human body detection time, access timer, use, and user convenience required for entrance, hallway, veranda, living room, kitchen, bathroom, dressing room, warehouse, etc. It is possible to provide automatic firmware data through a cloud network and an automatic matching function through a learning function with the SDN method (software definition type) of

The smart home system through multiple sensors can automatically synchronize the brightness and dedicated software according to the corresponding use and purpose based on the data collected through the user's sensing, time, and direction within 2 to 3 weeks.

16 to 18, the smart home system through multiple sensors improves the human body detection required for smart home lighting control (including distance, direction, speed, and intelligent power lighting ON/OFF such as human identification) can be detected).

The smart home system through multiple sensors reflects signals from multiple sensors through human body detection sensors, provides Fade IN/OUT brightness control through directionality of A and B zones, and dwell time in C zone, and timer-type lighting. ON/OFF is provided as a pre-symptom forecast method through Fade OUT light brightness. Parameters according to distance, direction, and time can automatically collect and provide repetitive detection data according to user requirements for human motion detection without malfunction.

Conventional lighting control (power switch timer electric circuit single PIR sensor) has a function to automatically turn off after a 20-second timer after motion detection, which is a general method in which you have to raise your hand to turn on again while under the light or after it is turned off.

The smart home system through multiple sensors detects motion with multiple PIR sensors and directionality, then turns off the lights after leaving the area to eliminate malfunctions, and re-detects lights after 20 seconds with a CPU type rather than a circuit method to conclude lighting It can provide smart lighting control without malfunction that does not turn off even when standing.

The smart home system through multiple sensors provides a digital signal for occupancy, security, and motion detection functions through the connection of multiple smart lighting links, parking confirmation function, congestion and density, and comfort of the underground parking lot. can be converted into digital data to provide a central service of analysis prediction and interworking service.

A smart home system through multiple sensors can provide excellence and differentiation by providing integrated control, central control, automatic dimming control, security detection, motion detection, etc. of exhibition halls, halls, entrances, lobbies, museums, parking lots, etc. with smart lighting through smart lighting.

A smart home system through multiple sensors provides complexity and convenience of installation by including an occupancy sensor and a light sensor, and can provide human body detection data without malfunction by linking the corresponding occupancy data and light detection data.

The smart home system through multiple sensors automatically provides direction, stay time, and security mode change through multiple sensor data, and checks on-site personnel through detection information, stay waiting time, access account, security policy, security information, and space. It can provide data on density, congestion, and comfort.

The smart home system through multiple sensors measures the time spent in the stay zone horizontally and vertically, and the occupancy mode, crime prevention mode, and motion detection mode are modes according to the user's settings without malfunction based on the horizontal, vertical, and stay time. can be provided to work.

The smart home system through multiple sensors is a smart lighting of existing multiple motion sensors, and additionally, it can reflect the data for the corresponding human body detection by combining the access detection mode and the occupancy detection mode through the current plurality of PIR sensors.

A smart home system through multiple sensors, for example, sets a security function through a crime prevention mode of occupancy detection mode, and at the same time controls lighting based on detailed data on direction, speed, time, and stay time through human body detection for entry and exit. can Compared to conventionally, the occupancy sensor is divided into main equipment and separate equipment, a single system can be used in combination with the occupancy mode and human body detection mode by mode switching through a plurality of PIR sensors.

The smart home system through multiple sensors is a motion detection + occupancy detection integrated type, and it is possible to extract data that can improve comfort through congestion, activity, and density by utilizing the stay time and movement direction using multiple lights.

19 and 20, the smart home system through multiple sensors is a product based on the IoT core platform of the present invention, and provides remote control through a smartphone app for automatic network synchronization in conjunction with sensor module-based virtual complex sensor voice-based sensor control. It maximizes IoT-based smart home hub control efficiency and provides virtual machine matching through smart home sensor data.

The smart home system through multiple sensors provides differentiation by providing sensor data and smartphone linkage in an independent configuration to the IoT cloud service of home appliances, and by combining complex convergence personalized home sensors through a virtual machine smartphone home hub object It can be grouped, and one or more multiple devices can be logically virtualized to provide a smart home hub service converged with location, weather, personal account, lifestyle, and health diagnosis data.

In addition, the smart home system through multiple sensors has a built-in remote control function without separate installation of smart home electronic devices, so that the remote control and the smartphone can be linked to the Internet of Things (IoT).

A smart home system through multiple sensors can provide control of air conditioners, TVs, air purifiers, etc. through smartphones and voice AI speakers through remote remote control modules mounted on smart lighting installed on the ceiling, and IoT functions linked to smartphones. Through this, automatic setting and occupancy management through schedule and scheduling, emotional lighting, parking control, elevator call, and theft alarm functions can be provided together.

The above description of the present invention is for illustrative purposes, and those skilled in the art can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, the embodiments described above should be understood as illustrative in all respects and not limiting. For example, each component described as a single type may be implemented in a distributed manner, and similarly, components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention.

Claims (5)

In a smart home system using multiple sensors,
Multiple sensors that efficiently detect single/multi-type motion detection and dynamic detection for human body motion detection;
A communication unit that performs interworking with cloud through smart phone and Ai-based smart speaker;
It is a software-based embedded system equipped with a microprocessor and provides low-power, low-latency real-time programming, and maximizes energy efficiency by preventing fade-in-fade-out overvoltage overload. A smart home system using multiple sensors including a control unit providing dimming control.
According to claim 1,
the communication department
A smart home system using multiple sensors that can maximize the control efficiency of an IoT-based smart home hub by providing remote control through a network synchronization smartphone app and providing virtual machine matching through smart home sensor data.
According to claim 1,
The control unit uses a multi-sensor smart home system that provides the brightness of the light more naturally and non-linearly through self-designed emotion correction so that the human body can most naturally feel the intensity of the reflected light due to the nature of the light.
According to claim 1,
The control unit makes an optimization decision based on at least one of space, user, usage method, and energy efficiency after downloading a plurality of firmware, and automatically provides another firmware if it is not suitable. Smart home system using multiple sensors.
A control method for controlling the smart home system of any one of claims 1 to 4.

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