A fatigue reminding system based on intelligent stationery box and bracelet

Abstract

This invention discloses a fatigue reminder system based on a smart pencil case and a vibrating wristband, which are connected wirelessly via Bluetooth. The smart pencil case incorporates an image acquisition unit, a computing processing unit, and a plasma air disinfection module. The computing processing unit analyzes the user's facial image acquired by the image acquisition unit to determine if the user is fatigued. If fatigue is detected, it sends a command to drive the vibrating wristband to vibrate slightly and the screen to flash, providing a gentle reminder. Simultaneously, the plasma air disinfection module generates plasma to purify the air, helping to refresh the user. This invention integrates fatigue detection, intelligent reminders, air purification, and stationery storage functions. It is portable and easy to use, suitable for various scenarios such as classrooms, libraries, and homes. The reminders are gentle and non-intrusive, effectively solving the problems of student fatigue during long study sessions and unclean air on the desktop, significantly improving learning comfort and efficiency.

Description

Technical Field

[0001] This invention relates to the field of school stationery technology, specifically to a fatigue reminder system based on a smart pencil case and a wristband. Background Technology

[0002] Primary and secondary school students often experience eye fatigue, drowsiness, inattention, and sleepiness due to prolonged periods of sitting in a fixed posture and staring intently at their desks or blackboards during daily classes or studies. Without intervention, this directly leads to decreased concentration and learning efficiency, and in the long term, may cause health problems such as vision loss, neck discomfort, and insufficient oxygen supply to the brain. Currently, there are some products on the market that address fatigue alerts, such as smart glasses and fatigue-reminding desk lamps. However, these devices generally have limited functionality or significant drawbacks. For example, anti-fatigue desk lamps are bulky and inconvenient to carry, failing to meet the needs of classrooms, libraries, and other similar settings; prolonged wear of smart glasses can cause discomfort, and some optical structures may potentially irritate and damage the eyes. Summary of the Invention

[0003] To address the problems and deficiencies in the aforementioned background technology, this invention provides a fatigue reminder system based on a smart pencil case and wristband, which integrates fatigue detection, intelligent reminders, air purification, and stationery storage functions into one device, solving the technical problems of poor portability, weak scene adaptability, and limited functionality of existing fatigue reminder intervention devices.

[0004] To achieve the above objectives, the present invention provides the following technical solution: A fatigue reminder system based on a smart pencil case and a vibrating wristband includes a smart pencil case and a vibrating wristband, which are connected wirelessly via Bluetooth. The smart pencil case includes a pencil case body, an image acquisition unit, a computing processing unit, a power module, and a Bluetooth module integrated within the pencil case body. The computing processing unit analyzes and determines whether the user is in a fatigued state based on facial images acquired by the image acquisition unit. The power module includes a lithium battery and power management circuitry. The vibrating wristband includes a microprocessor, an eccentric rotor vibration motor, a display screen, a Bluetooth module, and a power module. Upon receiving a fatigue reminder command from the smart pencil case, the vibrating wristband performs micro-vibration and screen flashing.

[0005] Preferably, the image acquisition unit includes an image sensor, an infrared LED fill light, and a wide-angle lens. The image sensor uses a 2-megapixel, 1080P resolution global shutter CMOS sensor to avoid the rolling shutter effect caused by rapid head movements; the infrared fill light uses a 940nm or 850nm infrared LED, invisible to the human eye, thus not affecting learning and supporting stable acquisition in low-light environments; the optical lens has a horizontal viewing angle ≥100° and a diagonal viewing angle ≥120°, covering the complete facial area of ​​users of different heights and sitting postures.

[0006] Furthermore, the computing processing unit includes an AI chip with a computing power of ≥1 TOPS. The AI ​​chip integrates a neural network processor, which is configured to determine fatigue status by analyzing the user's eye features, mouth features, and head posture. The eye features include PERCLOS value, eye aspect ratio, blink frequency, and pupil diameter change. The mouth features include mouth aspect ratio, and the head posture includes head pitch angle.

[0007] Preferably, the pencil case body also integrates a plasma air disinfection module, which generates plasma to sterilize, disinfect, and purify the air. The plasma air disinfection module includes a power management unit, a main control unit, and a high-voltage plasma generating unit. After purifying the air, the plasma air disinfection module can also refresh the user and further improve their concentration.

[0008] Compared with the prior art, the present invention has the following advantages: This invention uses a student's essential pencil case as a carrier, and combines an AI neural network model to analyze and determine whether the user is fatigued. It then uses the micro-vibration of a smart bracelet and screen flashing to provide fatigue reminders. At the same time, the plasma air disinfection module purifies the air and also has a refreshing effect, further improving the user's concentration. This invention is convenient to use and has a wide range of applications. It can be directly placed in a schoolbag and used in classrooms, libraries, homes, and when out and about. It will not affect other students during use and is non-irritating and harmless to the human body. Detailed Implementation

[0009] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0010] A fatigue reminder system based on a smart pencil case and a vibrating wristband includes a smart pencil case and a vibrating wristband, which are connected wirelessly via Bluetooth. The smart pencil case includes a main body, an image acquisition unit, a computing processing unit, a power module, a Bluetooth module, and a plasma air disinfection module integrated within the main body. The image acquisition unit acquires facial images of the user. The computing processing unit analyzes the facial images acquired by the image acquisition unit to determine whether the user is in a fatigued state. The power module supplies power to the image acquisition unit, computing processing unit, Bluetooth module, and plasma air disinfection module, and includes a lithium battery and power management circuitry. The vibrating wristband includes a microprocessor, an eccentric rotor vibration motor, a display screen, a Bluetooth module, and a power module. Upon receiving a fatigue reminder command from the smart pencil case, the vibrating wristband vibrates slightly and the screen flashes.

[0011] The image acquisition unit includes an image sensor, an infrared LED fill light, and a wide-angle lens. The image sensor uses a 2-megapixel, 1080P resolution global shutter CMOS sensor to avoid the rolling shutter effect caused by rapid head movements. The infrared fill light uses 940nm or 850nm infrared LEDs, invisible to the human eye and not affecting learning, supporting stable acquisition in low-light environments. The optical lens has a horizontal viewing angle ≥100° and a diagonal viewing angle ≥120°, covering the complete facial area of ​​users of different heights and sitting postures.

[0012] The computing unit includes an AI chip with a computing power of ≥1 TOPS. This AI chip integrates a neural network processor, which is configured to determine fatigue levels by analyzing the user's eye features, mouth features, and head posture. Specifically, eye features include the percentage of time the eyes are closed (PERCLOS), eye aspect ratio (EAR), blink frequency, and pupil diameter changes; mouth features include the mouth aspect ratio (MAR) and the percentage of time the mouth is open (PMOT); and head posture includes pitch, yaw, and roll angles. The unit analyzes whether these features meet fatigue level requirements. When fatigue conditions are met, the computing unit immediately outputs a fatigue alert command.

[0013] The plasma air disinfection module generates plasma to sterilize, disinfect, and purify the air; it mainly includes a power management unit, a main control unit, and a high-voltage plasma generation unit.

[0014] When using this system, place the smart pencil case flat on the table directly in front of the user, with the image sensor facing the user's face at a distance of 40cm-60cm. Wear the vibrating wristband on the user's wrist. The image acquisition unit captures facial images at a rate of 30 frames per second. The infrared supplementary light automatically turns on when the ambient light is below 100 lux. The computing and processing unit analyzes the user's facial images captured by the image acquisition unit to determine whether the user is fatigued, based on the user's eye features, mouth features, and head posture. If the fatigue condition is met, the computing and processing unit sends a reminder signal to the wristband via Bluetooth. The wristband immediately starts micro-vibrating, and the screen flashes white light to remind the user to improve their focus. The user can cancel the reminder with a single tap on the wristband screen.

[0015] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A fatigue reminder system based on a smart pencil case and a wristband, characterized in that, The device includes a smart pencil case and a vibrating wristband, which are connected wirelessly via Bluetooth. The smart pencil case includes a main body, an image acquisition unit, a computing processing unit, a power module, and a Bluetooth module integrated within the main body. The computing processing unit analyzes and determines whether the user is fatigued based on facial images acquired by the image acquisition unit. The power module includes a lithium battery and power management circuitry. The vibrating wristband includes a microprocessor, an eccentric rotor vibration motor, a display screen, a Bluetooth module, and a power module. Upon receiving a fatigue alert command from the smart pencil case, the vibrating wristband performs micro-vibration and screen flashing.

2. The fatigue reminder system based on a smart pencil case and wristband according to claim 1, characterized in that, The image acquisition unit includes a global shutter CMOS image sensor, a 940nm or 850nm infrared LED fill light, and a wide-angle lens with a horizontal viewing angle of ≥100°.

3. The fatigue reminder system based on a smart pencil case and wristband according to claim 1, characterized in that, The computing processing unit includes an AI chip with a computing power of ≥1 TOPS. The AI ​​chip integrates a neural network processor, which is configured to determine fatigue status by analyzing the user's eye features, mouth features, and head posture. The eye features include PERCLOS value, eye aspect ratio, blink frequency, and pupil diameter change. The mouth features include mouth aspect ratio, and the head posture includes head pitch angle.

4. The fatigue reminder system based on a smart pencil case and wristband according to claim 1, characterized in that, The pencil case body also integrates a plasma air disinfection module, which generates plasma to sterilize, disinfect, and purify the air; the plasma air disinfection module includes a power management unit, a main control unit, and a high-voltage plasma generating unit.