引言：我们对“舒适”的千年追寻

人类文明史，也是一部不断改造居住环境、追寻体感舒适的历史。从远古先民穴居山洞以避风雪，到古人运用阳光、气道设计实现自然调节；从电风扇、暖气片的初级热量干预，到空调、热泵带来的热量搬运革命——我们一直在与严寒酷暑进行着不懈的斗争。每一次技术的跃进，都深刻重塑了我们的生活方式和居住理念。

今天，我们正站在一个新的临界点。传统的空调系统，无论是窗式机、分体机还是多联机，其核心逻辑仍是“空气调节器”——通过对室内空气进行强制对流换热来改变温度。这种方式高效、直接，却也带来了无法回避的痛点：刺骨的冷风直吹、显著的垂直温差、运行时的噪音，以及在极端天气下能效骤降、力不从心的窘境。我们享受着科技的便利，却也默默承受着其带来的“次生不适”。

与此同时，以“恒温、恒湿、恒氧、恒静、恒洁”为标志的“五恒系统”代表了舒适家居的终极理想，但其高昂的造价、复杂的安装和对建筑条件的严苛要求，使其犹如空中楼阁，难以“飞入寻常百姓家”。

是否存在一种方案，既能继承传统空调安装便捷、成本可控的优点，又能触及辐射系统无风感、高舒适的门槛，并在能效和稳定性上实现跨越？答案是肯定的。一项名为“ABC空调系统”的创新技术，正悄然开启人居环境调节的“第四纪元”。它并非颠覆，而是进化；并非叠加，而是融合。其核心，在于一个被称为“空调伴侣”的巧妙装置，以及由此重构的冷媒循环逻辑。

第一章：何为ABC空调？——不只是多了一个盒子

初次接触“ABC空调系统”这个名词，很多人会感到陌生。但如果我们将其拆解，便会豁然开朗。

• A (Air-source unit)：即传统的室外机，包含压缩机、换热器、节流装置等，是系统的动力心脏和与外界环境进行热交换的场所。
• C (Conditioning unit)：即传统的室内机，包含换热器和风机，负责直接与室内空气进行热交换，实现快速制冷或制热。
• B (Buddy unit)：这便是整个系统的“灵魂增量”——空调伴侣。它是一个体积不大、可灵活安装的辅助换热模块，内部集成了高效板式换热器、循环水泵、智能控制电路及各类传感器。

ABC空调，顾名思义，就是由这A、B、C三部分协同工作的新型冷暖空调系统。它并非简单地将一台室外机和一台室内机连接，而是在冷媒的必经之路上，插入了“空调伴侣”这个智能中间站，从而彻底改变了热量的传递路径和利用方式。

更形象地说，如果把传统空调的制冷/制热过程比作一条单向的高速公路，那么ABC空调系统则在这条路上增设了一个智能化的“综合服务区”（空调伴侣）。冷媒（制冷剂）在流经这个服务区时，会进行一次“能量再分配”，将一部分冷/热量预先提取出来，交给水路系统，输送至铺设在地板下的PE管道网络中。于是，系统从单一的“空气对流调节”，升级为“空气对流+地板辐射”的双模调节。

这看似简单的一步，却引发了热力学性能、系统鲁棒性和人体舒适度的连锁式质变。

第二章：精妙的切换——A-B-C与A-C-B循环的热力学艺术

ABC空调系统最核心的技术奥秘，就隐藏在冷媒流路的动态切换中。根据季节需求，系统通过四通阀自动改变冷媒的流向，实现两种截然不同的循环模式，每一种都针对特定工况进行了极致优化。

2.1 冬季制热：A-B-C循环，温暖从脚下升起

在寒冷的冬季，当系统启动制热模式时，冷媒的旅程变为：室外机(A) → 空调伴侣(B) → 室内机(C) → 室外机(A)。

这是一个精妙的“先辐射，后对流”的串联设计。

1. 1.第一站：空调伴侣（B）。从压缩机出来的高温高压气态冷媒，首先抵达空调伴侣内的板式换热器。在这里，它并非直接去加热室内空气，而是优先与水路系统进行热交换，将一部分宝贵的热量“移交”给循环热水。热水随即被泵入地下盘管，让整个地板缓缓升温，形成一个巨大的、无风无声的低温辐射散热面。
2. 2.第二站：室内机（C）。经过初步放热的冷媒，温度压力降低，但依然携带大量热能。它随后流入室内机的翅片换热器，在这里进行第二次、也是更彻底的冷凝放热，通过风机将热风吹出，快速提升室内空气温度。
3. 3.回归与循环。最终，冷媒完成放热，经节流装置降压后，在室外蒸发器中吸收环境热量（即使外界寒冷，热泵原理仍能有效工作），重新变为低温低压气体，被压缩机吸入，开始新的循环。

这一流程的精妙之处在于：

• 能效跃升：传统热泵空调在低温环境下制热，最大的瓶颈是节流前冷媒的“过冷度”不足，容易在节流时产生无效的“闪发气体”，导致制热能力（COP）衰减。而ABC空调通过空调伴侣这第一级冷凝，相当于人为地、大幅增加了系统的“有效冷凝面积”。这使得进入节流装置前的液态冷媒温度更低、过冷度更大。更大的过冷度意味着单位质量的冷媒在室外能吸收更多热量，从而直接、显著地提升了系统的制热能效比。即使压缩机不具备喷气增焓等复杂技术，系统也能在严寒中保持强劲、稳定的制热能力。
• 极致舒适：热量从地板均匀向上辐射，完美契合中医“温足凉顶”的养生理念。室内垂直温差极小，没有令人不悦的热风直吹和噪音，实现了真正的“无风感空调”体验。这正是“空调采暖”与“空调连地暖”优势的深度融合。
• 安全与可靠：通过精确控制空调伴侣中水泵的流速，可以精细调节从冷媒侧提取的热量，确保最终回到压缩机的冷媒是干燥的过热蒸气，从根本上杜绝了“液击”这一压缩机头号杀手的风险，极大延长了核心部件寿命。

2.2 夏季制冷：A-C-B循环，凉爽自地底而来

当夏日炎炎，系统切换至制冷模式，冷媒的流向变为：室外机(A) → 室内机(C) → 空调伴侣(B) → 室外机(A)。

这是一个巧妙的“先对流，后辐射”的并联逻辑。

1. 1.第一站：室内机（C）。低温低压的液态冷媒首先在室内机蒸发，吸收室内空气的热量，通过风机送出冷风，实现快速降温。
2. 2.第二站：空调伴侣（B）。吸收了热量、变为低温低压气态（或略带过热）的冷媒，并未直接返回室外机。它流入空调伴侣的板式换热器，在这里，它利用自身剩余的“冷量”，通过水路系统对地板进行冷却。地板温度被微微降低至略低于室内空气露点（但需精确控制以防结露），成为一个巨大的“冷静辐射面”。
3. 3.回归与循环。经过两次充分蒸发吸热，冷媒以较高的过热度状态返回压缩机，完成循环。

这一模式的优势同样令人惊叹：

• 能效与安全双赢：与制热原理类似，制冷时系统等效于增加了“有效蒸发面积”。经过两级蒸发，回气过热度得到优化提升。适度的过热确保了蒸发器面积被充分利用，避免了压缩机“吸液”风险，系统运行更稳定，能效更高。
• 舒适度革命：传统空调制冷依赖强对流，冷风直吹易导致“空调病”，且房间上下温度不均，往往是“头热脚凉”。ABC空调制冷时，结合了上部空气对流冷却与下部地板辐射冷却。辐射冷却直接降低环境的平均辐射温度（MRT），这是影响人体热舒适的关键因素之一。它能有效消除垂直温差，避免冷风直吹，体感凉爽而柔和，仿佛置身于清凉的树荫下或石洞中，实现了高级别的“无风感空调”制冷。
• 节能潜力：地板辐射供冷承担了部分显热负荷，使得室内机风机无需持续高速运转，系统整体能耗得以降低。这对于追求节能的空气能、热泵系统而言，是锦上添花。

2.3 特殊技能：化霜与解冻的智慧

除了常规模式，ABC空调系统在应对极端情况时也展现出独特智慧。

• 无感化霜：传统空气能或热泵空调在冬季制热时，室外机结霜需停机反向循环化霜，此时室内机吹冷风，体验极差。而ABC空调在化霜时，可以仅启动空调伴侣，从已被加热的地板中提取热量来融化室外机霜层，室内机完全停止工作。由于地板热容量大，短暂取热对室温影响微乎其微，用户几乎无感知。
• 地暖管解冻：如遇极端情况导致地暖管冻结，系统可先启动室内机与室外机进行常规制热，快速提升室温，让热量通过楼板自然传导至地暖管使其缓慢解冻。待管道通畅后，再启动空调伴侣加速循环。这比单纯使用电加热解冻更安全、高效、节能。

第三章：不止于舒适——理念革新与市场定位

ABC空调系统的诞生，其意义远不止于一款新产品的问世。它代表了人居环境调节理念的两次深刻转变：

1. 1.从“集中统一”到“独立精细”的转变：正如城市集中供暖逐渐被分户式、甚至分室式的独立采暖所取代一样，ABC空调将温度调节的精度从“房间”提升到了“空间与体感”的层面。它不再仅仅追求空气温度的设定值，而是综合控制空气温度、辐射温度、气流速度，实现真正的个性化、精细化舒适。
2. 2.从“单一形式”到“多元协同”的转变：它打破了以往“要么吹风，要么地暖”的二元对立，将对流（风盘）、辐射（地暖）甚至未来可能的散热片等多种末端形式，通过一套核心主机进行智能耦合与协同控制。用户获得的是一种“无感”的、混合式的舒适环境。

这恰恰印证了ABC空调在空调发展史上的坐标：它是继窗式空调（第一次形态）、分体式空调（第二次形态）之后的第三次形态革命。它不再是简单的“室内机+室外机”，而是“A（传统室外机）+B（空调伴侣）+C（传统室内机）”的三位一体。B（空调伴侣）作为创新变量，激活了传统空调系统的全新潜能。

从市场定位看，ABC空调巧妙地占据了空白地带。向上，它以远低于全屋“五恒系统”的成本，实现了其核心的舒适体验（无风感、低梯度温差）；向下，它与传统空调、多联机、空气能水系统等相比，在舒适性、能效（尤其在极端工况下）和系统保护方面形成了代差优势。它是“空调连地暖”的完美实践者，也是高效热泵空调的进化方向。

结语：拥抱必然的未来

回望历史，两千年前的古人无法想象我们今日用电风扇驱散酷暑；同样，习惯了未来ABC空调环境的人们，或许也很难理解我们是如何忍受着冷风直吹和温度不均度过一个个冬夏的。

技术的进步总是悄然发生，却又势不可挡。ABC空调系统及其核心的“空调伴侣”技术，正是这样一项应运而生的创新。它源于对热力学原理的深刻洞察，通过精妙的冷媒流路设计——A-B-C与A-C-B循环的智能切换——将传统空调的潜能挖掘到了新的高度。它带来的不仅是“无风感空调”的舒适、“空调采暖”的高效和“冷暖空调”的稳定，更是一种面向未来的、更人性化、更智慧化的生活方式提案。

这并非遥远的幻想，而是已经落地并获得专利保护的现实（实用新型专利：ZL 2021 2 1195781.6；发明专利申请号：202510997961.2等）。它代表的，是人居环境调节从“功能满足”迈向“体验无感”的必然一步。正如从土屋到楼房的演进一样，从“有风空调”到“无感环境”的跨越，同样是历史的必然。

现在，我们正处在这场静默革命的开端。了解它、认识它，便是拥抱未来的第一步。

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关键词：空调, ABC空调系统, 空调伴侣, 无风感空调, 空调采暖, 空调连地暖, 冷暖空调, 热泵空调, 空气能, 热泵, 能效, 舒适, 辐射供冷, 地板采暖, 冷媒流路, 过冷度, 过热度, 制冷循环, 制热循环, 人居环境

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English Version

The Ingenuity of Refrigerant Circuit Design: Decoding the A-B-C and A-C-B Cycle Switching

Introduction: Our Millennial Quest for Comfort

The history of human civilization is also a history of continuously transforming living environments in pursuit of thermal comfort. From ancient cave dwellings sheltering against wind and snow, to architectural designs utilizing sunlight and airflow for natural regulation; from the rudimentary intervention of electric fans and radiators, to the heat-transfer revolution brought by air conditioners and heat pumps—we have been in an unceasing struggle against extreme cold and heat. Each technological leap has profoundly reshaped our lifestyles and living philosophies.

Today, we stand at a new临界点. Traditional air conditioning systems, whether window units, split systems, or VRF (Variable Refrigerant Flow) systems, operate on the core logic of an “air conditioner”—modifying temperature through forced convection with indoor air. This method is efficient and direct, yet it brings unavoidable drawbacks: piercing cold drafts, significant vertical temperature gradients, operational noise, and the窘境 of plummeting energy efficiency and inadequate performance in extreme weather. We enjoy the convenience of technology while silently enduring its “secondary discomforts.”

Meanwhile, the “Five-Constant System” (constant temperature, humidity, oxygen, quietness, and cleanliness) represents the ultimate ideal for comfortable living. However, its high cost, complex installation, and stringent building requirements make it akin to a castle in the sky,难以 “flying into ordinary households.”

Is there a solution that inherits the easy installation and controllable cost of traditional air conditioners, while approaching the draft-free comfort of radiant systems and achieving a leap in energy efficiency and stability? The answer is yes. An innovative technology known as the “ABC Air Conditioning System” is quietly开启 the “fourth era” of living environment regulation. It is not a disruption, but an evolution; not a simple overlay, but an integration. Its core lies in a clever device called the “Buddy Unit” and the由此 reconstructed refrigerant circulation logic.

Chapter 1: What is ABC Air Conditioning? — More Than Just an Extra Box

初次接触 the term “ABC Air Conditioning System,” many people find it陌生. But if we break it down, it becomes clear.

• A (Air-source unit): The traditional outdoor unit, containing the compressor, heat exchanger, expansion device, etc., serving as the system’s power heart and the venue for heat exchange with the external environment.
• C (Conditioning unit): The traditional indoor unit, containing a heat exchanger and fan, responsible for direct heat exchange with indoor air to provide rapid cooling or heating.
• B (Buddy unit): This is the “soul increment” of the entire system—the Buddy Unit. It is a compact, flexibly installable auxiliary heat exchange module, internally integrating a high-efficiency plate heat exchanger, circulation water pump, intelligent control circuit, and various sensors.

The ABC Air Conditioning system,顾名思义, is a new type of heating and cooling air conditioning system where A, B, and C work协同. It does not simply connect an outdoor unit to an indoor unit. Instead, it inserts the “Buddy Unit” as an intelligent intermediate station into the必经 path of the refrigerant, thereby彻底 changing the path and method of heat transfer.

More vividly, if the cooling/heating process of a traditional air conditioner is likened to a one-way highway, then the ABC Air Conditioning system adds an intelligent “comprehensive service area” (the Buddy Unit) on this road. When refrigerant passes through this service area, it undergoes a “energy redistribution,” extracting a portion of the冷/heat and交给 a water circuit system, which输送 it to PE pipe networks laid under the floor. Thus, the system升级 from单一 “air convection调节” to dual-mode “air convection + floor radiation”调节.

This看似 simple step triggers a连锁 qualitative change in thermodynamic performance, system robustness, and human comfort.

Chapter 2: The Ingenious Switching — The Thermodynamic Art of A-B-C and A-C-B Cycles

The most核心 technical mystery of the ABC Air Conditioning system is hidden in the dynamic switching of refrigerant flow paths. Depending on seasonal needs, the system automatically changes the refrigerant flow direction via a four-way valve, achieving two distinct循环 modes, each极致 optimized for specific conditions.

2.1 Winter Heating: A-B-C Cycle, Warmth Rises from the Floor

In cold winter, when the system启动 heating mode, the refrigerant’s journey becomes: Outdoor Unit (A) → Buddy Unit (B) → Indoor Unit (C) → Outdoor Unit (A).

This is an ingenious “first radiation, then convection” series design.

1. 1.First Stop: Buddy Unit (B). The high-temperature, high-pressure gaseous refrigerant from the compressor首先 arrives at the plate heat exchanger inside the Buddy Unit. Here, instead of directly heating indoor air, it优先 exchanges heat with the water circuit system, “handing over” a portion of宝贵的 heat to the circulating hot water. The hot water is then pumped into the underfloor coils, allowing the entire floor to缓缓 warm up, forming a巨大的, wind-silent low-temperature radiant heating surface.
2. 2.Second Stop: Indoor Unit (C). After初步放热, the refrigerant’s temperature and pressure drop, but it仍然 carries significant thermal energy. It then flows into the finned heat exchanger of the indoor unit, where it undergoes a second, more彻底 condensation放热, releasing hot air through the fan to quickly raise the室内 air temperature.
3. 3.Return and Cycle. Finally, the refrigerant completes放热, passes through the expansion device to降压, absorbs environmental heat in the outdoor evaporator (even in cold外界, the heat pump principle works effectively), and重新 becomes a low-temperature, low-pressure gas,被吸入 by the compressor to开始 a new cycle.

The ingenuity of this process lies in:

• Energy Efficiency Leap: Traditional heat pump air conditioners heating in low-temperature environments face the最大的 bottleneck of insufficient “subcooling” of refrigerant before the expansion valve,容易产生 ineffective “flash gas” during expansion,导致 heating capacity (COP)衰减. The ABC Air conditioning, through the first-stage condensation in the Buddy Unit, effectively and significantly increases the system’s “effective condensation area.” This makes the液态 refrigerant before the expansion device colder, with greater subcooling. Greater subcooling means that a unit mass of refrigerant can absorb more heat outdoors, directly and显著 improving the system’s heating energy efficiency ratio (COP). Even without complex technologies like vapor injection, the system can maintain强劲 and stable heating capacity in严寒.
• Ultimate Comfort: Heat radiates uniformly upward from the floor, perfectly aligning with the traditional Chinese medicine concept of “warm feet and a cool head.” The室内 vertical temperature difference is极小, with no unpleasant hot drafts or noise, achieving a true “draft-free air conditioning” experience. This is the深度融合 of the advantages of “air conditioning heating” and “air conditioning connected to floor heating.”
• Safety and Reliability: By precisely controlling the flow rate of the pump in the Buddy Unit, the heat extracted from the refrigerant side can be finely adjusted, ensuring that the refrigerant最终 returning to the compressor is dry superheated vapor. This fundamentally eliminates the risk of “liquid slugging,” the number one杀手 of compressors, greatly extending the lifespan of core components.

2.2 Summer Cooling: A-C-B Cycle, Coolness Comes from the Ground

When summer heat arrives, the system switches to cooling mode, and the refrigerant flow becomes: Outdoor Unit (A) → Indoor Unit (C) → Buddy Unit (B) → Outdoor Unit (A).

This is a巧妙 “first convection, then radiation” parallel logic.

1. 1.First Stop: Indoor Unit (C). The low-temperature, low-pressure liquid refrigerant首先 evaporates in the indoor unit, absorbing heat from indoor air and delivering cool air through the fan for rapid降温.
2. 2.Second Stop: Buddy Unit (B). The refrigerant, having absorbed heat and变为 a low-temperature, low-pressure gas (or略带 superheated), does not directly return to the outdoor unit. It flows into the plate heat exchanger of the Buddy Unit. Here, it利用 its remaining “cooling capacity” to cool the floor through the water circuit system. The floor temperature is微微 lowered to略低于 the indoor air dew point (but precisely controlled to prevent condensation), becoming a巨大的 “quiet cooling radiant surface.”
3. 3.Return and Cycle. After two stages of充分 evaporation and heat absorption, the refrigerant returns to the compressor in a highly superheated state, completing the cycle.

The advantages of this mode are equally impressive:

• Win-Win for Efficiency and Safety: Similar to the heating principle, during cooling, the system effectively增加 “effective evaporation area.” After two-stage evaporation, the return gas superheat is optimized and适度 increased.适度 superheat ensures the evaporator area is fully utilized, avoids the risk of compressor “liquid吸入,” making the system run more stably and efficiently.
• Comfort Revolution: Traditional air conditioning cooling relies on strong convection. Cold drafts easily cause “air conditioning sickness,” and temperature unevenness from top to bottom is common, often resulting in “hot head, cool feet.” The ABC Air conditioning cooling combines upper air convection cooling with lower floor radiation cooling. Radiation cooling directly降低 the environment’s Mean Radiant Temperature (MRT), a关键 factor影响 human thermal comfort. It effectively eliminates vertical temperature gradients and avoids cold drafts, providing a cool and gentle sensation, as if置身于 a cool tree shade or stone cave, achieving a high-level “draft-free air conditioning” cooling体验.
• Energy-Saving Potential: Floor radiant cooling承担了部分 sensible cooling load, allowing the indoor unit fan to无需 run持续 at high speed, reducing overall system energy consumption. This is锦上添花 for追求 energy-saving air source and heat pump systems.

2.3 Special Skills: Wisdom in Defrosting and Thawing

Besides regular modes, the ABC Air Conditioning system demonstrates unique wisdom in应对 extreme situations.

• Imperceptible Defrosting: Traditional air source or heat pump air conditioners need to停机 and reverse循环 to defrost the outdoor unit during winter heating. At this time, the indoor unit blows cold air, which is very体验差. The ABC Air conditioning, during defrosting, can启动 only the Buddy Unit, extracting heat from the already-warmed floor to melt the frost on the outdoor unit. The indoor unit completely stops working. Due to the large thermal capacity of the floor, the brief heat extraction has微乎其微 impact on room temperature, and users几乎无感知.
• Floor Heating Pipe Thawing: In extreme cases导致 floor heating pipes冻结, the system can先启动 the indoor unit and outdoor unit for常规 heating to quickly raise room temperature, allowing heat to naturally传导 to the floor heating pipes through the slab for slow thawing. Once the pipes are通畅,启动 the Buddy Unit to accelerate circulation. This is safer, more efficient, and more energy-saving than单纯 using electric heating for thawing.

Chapter 3: Beyond Comfort — Conceptual Innovation and Market Positioning

The birth of the ABC Air Conditioning system has significance far beyond a new product launch. It represents two profound shifts in the philosophy of living environment regulation:

1. 1.From “Centralized Unity” to “Independent Precision”: Just as urban centralized heating is gradually being replaced by household甚至 room-specific independent heating, ABC Air conditioning elevates the precision of temperature调节 from “room” level to “space and sensation” level. It no longer仅仅 pursues the set point of air temperature, but comprehensively controls air temperature, radiant temperature, and air velocity to achieve true personalized,精细化 comfort.
2. 2.From “Single Form” to “Multiple Synergy”: It打破 the previous二元对立 of “either fan coil or floor heating,” and智能耦合 and协同 controls multiple terminal forms like convection (fan coil), radiation (floor heating), and potentially future散热片 through一套 core host machine. What the user obtains is an “imperceptible,” mixed-mode comfortable environment.

This恰恰印证了 the coordinates of ABC Air conditioning in air conditioning history: it is the third形态 revolution following window-type air conditioners (first form) and split-type air conditioners (second form). It is no longer simply “indoor unit + outdoor unit,” but the三位一体 of A (traditional outdoor unit) + B (Buddy Unit) + C (traditional indoor unit). B (the Buddy Unit) acts as an innovative variable, activating the全新 potential of traditional air conditioning systems.

From a market positioning perspective, ABC Air conditioning cleverly occupies a空白地带. Upward, it achieves the core comfort体验 (draft-free, low temperature gradient) of the whole-house “Five-Constant System” at a远低于 cost. Downward, compared to traditional air conditioners, VRF systems, air-source water systems, etc., it forms a代差 advantage in comfort, energy efficiency (especially in extreme conditions), and system protection. It is the完美 practitioner of “air conditioning connected to floor heating,” and also the evolutionary direction of高效 heat pump air conditioners.

Conclusion: Embracing the Inevitable Future

Looking back in history, ancients two thousand years ago could not imagine us using electric fans to驱散 summer heat today. Similarly, people accustomed to the future ABC Air conditioning environment may also很难 understand how we endured cold drafts and uneven temperatures through冬夏.

Technological progress always occurs quietly, yet is势不可挡. The ABC Air Conditioning system and its core “Buddy Unit” technology are precisely such an创新 that应运而生. It originates from a深刻洞察 of thermodynamic principles, and through ingenious refrigerant flow path design—the intelligent switching of A-B-C and A-C-B cycles—it挖掘了 the potential of traditional air conditioning to new heights. What it brings is not only the comfort of “draft-free air conditioning,” the efficiency of “air conditioning heating,” and the stability of “heating and cooling air conditioning,” but also a future-oriented, more humanized, and smarter lifestyle proposition.

This is not a distant fantasy, but a reality that has already落地 and obtained patent protection (Utility Model Patent: ZL 2021 2 1195781.6; Invention Patent Application No.: 202510997961.2, etc.). It represents the inevitable step of living environment regulation moving from “functional satisfaction” to “imperceptible experience.” Just as the evolution from earthen houses to buildings, the leap from “wind-based air conditioning” to “imperceptible environment” is also历史的必然.

Now, we are at the beginning of this silent revolution. To了解 and认识 it is the first step to embracing the future.