Development and application of intelligent modular temperature-control heat-preservation clothes based on graphene nanotechnology

Abstract

The invention relates to the technical field of intelligent clothing, and particularly discloses a modular temperature control clothing system based on a graphene nanotechnology. The innovation points comprise: 1) a composite electrode structure: a graphene / carbon nanotube heterojunction electrode is adopted to realize resistance stability (the volatility is less than 5%) in an environment of-30 DEG C; 2) a partition temperature control module: dividing the clothes into 16 independent temperature control units based on a human body thermodynamic diagram, wherein each unit is integrated with a micro thermopile sensor and a PID fuzzy control chip; 3) an energy management system: the energy consumption is reduced by 42% compared with the traditional scheme through cooperative power supply of the flexible photovoltaic fabric and the magnetic type lithium battery pack; and 4) modularized quick-release interface: adopting a magnetic control conductive braid technology to realize 10-second quick replacement of the heating unit. According to actual measurement of a comprehensive sports event speed team such as a winter ice and snow project, the body surface temperature uniformity in the extremely cold environment is improved by 90%, and the system weight is reduced by 35%. The technology is a key conversion project of the Diye-Beijing Institute of Industry of the College of Fitting, and has been applied to winter ice and snow project type comprehensive sports event equipment and civil outdoor product lines.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of intelligent wearable devices and advanced materials, and specifically relates to a graphene temperature control technology and a modular application system thereof for the transformation of scientific and technological achievements in winter ice and snow project comprehensive sports events. BACKGROUND

[0002] Defects of prior art: - Traditional patents use planar graphene films, which cannot adapt to the curved deformation of the human body during exercise; - Traditional electric heating clothing has poor temperature control precision (±3℃) and energy consumption exceeds the industry standard by more than 30%; - Maintenance requires the whole to be returned to the factory, and the maintenance cost accounts for 40% of the product price.

[0003] Technical breakthrough of Beijing Institute of Clothing Technology: - The extreme cold environment thermal management model developed by Liu Li's team (verification data at -30℃); - The innovative modular production system developed by Lan Suqin's team; - The magnetic control conductive fabric tape developed in cooperation with Shenzhen Polytechnic (contact resistance reduced by 80%). INVENTION CONTENT

[0004] Core innovation points: 1. Material innovation: - Graphene / carbon nanotube vertical heterojunction structure (Figure 1); - Breakthrough: 97.5% resistance stability at -30℃; 2. Intelligent temperature control architecture: - Three-level temperature control strategy: ① Exercise posture recognition ② Environmental temperature and humidity sensing ③ Skin microclimate regulation; - Example: Gradient heating mode is adopted in the crotch part of cross-country skiing clothes to avoid local overheating; 3. Modular system: - Invention of buckle type energy cabin (Figure 2), supporting dual-mode power supply of battery / capacitor; - 2-minute on-site module replacement is realized in the application of the Datong Ice and Snow Festival in Shanxi.

[0005] Core innovation points: 1. Material innovation: - Graphene / carbon nanotube vertical heterojunction structure (Figure 1); - Breakthrough: 97.5% resistance stability at -30℃; 2. Intelligent temperature control architecture: - Three-level temperature control strategy: ① Exercise posture recognition ② Environmental temperature and humidity sensing ③ Skin microclimate regulation; - Example: Gradient heating mode is adopted in the crotch part of cross-country skiing clothes to avoid local overheating; 3. Modular system: - Invention of buckle type energy cabin (Figure 2), supporting dual-mode power supply of battery / capacitor; - 2-minute on-site module replacement is realized in the application of Datong Ice and Snow Festival.

[0006] - Temperature control accuracy: ±0.5℃ (ISO7730 standard environment); - Low-temperature start-up time: 3 seconds (-30℃ environment); - Module replacement cost is reduced by 70% (compared with traditional solutions). DETAILED DESCRIPTION

[0007] 1. Material preparation: - Step 1: Chemical vapor deposition method to grow graphene nanoribbons (substrate temperature 800℃); - Step 2: Plasma enhanced deposition of vertical carbon tubes (height 10 μm); - Step 3: Atomic layer deposition of boron nitride encapsulation layer (thickness 5nm); 2. Clothing assembly: - The heating unit is embedded in the fabric interlayer using the laser cladding process of Beijing Institute of Clothing-Diseng Research Institute; - The implantation position of the magnetic interface is biomechanically optimized (avoiding the joint activity area); 3. Industrialization case: - Winter ice and snow project type comprehensive sports event application: providing customized competition clothes for the national short track speed skating team, with a total weight reduction of 400g / set; - Civilian transformation: Palace of Cultural and Creative Intelligence Cloak Project, realizing continuous heating for 8 hours in -20℃ environment. DRAWINGS OF THE SPECIFICATION

[0008] Figure 1 Composite electrode structure: [substrate layer]→[graphene nanoribbons]→[vertical carbon tube array]→[BN encapsulation layer]→[flexible electrode] Note: Carbon tube spacing 200nm, forming a three-dimensional heat conduction network.

[0009] Figure 2 Modular quick-release energy cabin design: [energy management]→[photovoltaic]→[battery]→[partitioned power supply].

[0010] Figure 3 Body area temperature control logic diagram: [motion posture recognition]→[call winter ice and snow project type comprehensive sports event database]→[calculate heat demand distribution]→[dynamic adjustment of 16 area power]. INNOVATION DECLARATION

[0011] 1. Technical barriers: ① The first civilian intelligent clothing in the world to pass the -40°C military-grade stability test (refer to GJB150.4A-2009) ② The modular design of related products won relevant provincial gold, silver, and bronze awards in the China International University Students Innovation Competition; 2. Industrial landing: ① DiShang Group has built a production line with an annual output of 500,000 sets (Weihai, Shandong); ② Included in the "Beijing Green Low-Carbon Technology Promotion Directory (2025)"; 3. Academic support: ① Fusion of Liu Li's "Graphene Thermal Response Mechanism in Extreme Cold Environment" (Materials Today 2023); ② Lan Cuichen's "Wearable Modular System Design Specification" (IEEE Trans. 2024); Essential differences: Most of the parameters related to this patent technology have passed the National Sports Products Quality Supervision and Inspection Center (No. 2025GF-086) Related full-item detection, with mass production conditions; ① First three-dimensional heterojunction electrode to solve the problem of curved surface fitting; ② Dynamic zoning algorithm based on winter ice and snow project comprehensive sports event data; ③ Magnetic control of woven tape to achieve military-grade connection reliability. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 - Microstructure diagram of graphene carbon nanotube electrode; Figure 2 - Exploded view of modular energy compartment; Figure 3 - Body zone temperature control logic flowchart.

Claims

1. An intelligent modular temperature controlled garment, characterized by Comprise: - Composite heating unit: laminated electrode composed of graphene nanoribbons (width 50-100nm) and vertically aligned carbon nanotubes, operating temperature range -40℃ to 60℃; - Dynamic temperature control system: including distributed thermoelectric sensor array, control chip based on fuzzy PID algorithm (sampling frequency 100Hz), and 16 partition independent driving circuit; - Energy management module: integrated flexible amorphous silicon photovoltaic fabric (conversion efficiency 18%) and detachable magnetic battery pack (energy density 350Wh / kg); - Quick connection mechanism: embedded magnetic control conductive fabric belt, contact resistance <0.1Ω and supports 5000 times of plug-in life.

2. The garment of claim 1, wherein: The graphene electrode surface is decorated with boron nitride coating, which improves the thermal response speed to 0.8 seconds (3 times faster than conventional graphene film).

3. The garment of claim 1, wherein: The temperature control system is built-in with Beijing Institute of Clothing's winter ice and snow project comprehensive sports event athlete thermal comfort database, including 6 types of sports mode preset parameters such as speed skating and skiing.

4. The garment of claim 1, wherein: Through Bluetooth Mesh networking, multiple garments can be cooperatively controlled, with a networking delay of <15ms.

5. Use of a garment according to any one of claims 1-4, characterized in that In the tourism scene, NFC triggers regional temperature control mode, such as automatically starting the heating logic of the Ming Dynasty costume in the Forbidden City scene.

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