當你在街頭巷尾看到高高聳立、色彩鮮艷的充氣拱門時，或許會好奇，究竟是怎樣的力量能讓這些龐大的織物結構穩穩 “站立”。這背后的 “功臣” 便是風機，而風機功率的大小，直接決定了充氣拱門能否快速成型并保持飽滿狀態 。

　　When you see towering and brightly colored inflatable arches on the streets and alleys, you may wonder what kind of force can make these massive fabric structures stand steadily. The 'hero' behind this is the fan, and the power of the fan directly determines whether the inflatable arch can be quickly formed and maintained in a full state.

　　充氣拱門的風機功率并非固定值，會因拱門的尺寸、材質和使用環境等因素而有所不同。從尺寸來看，小型充氣拱門，比如高度在 3 米以下、跨度較短的款式，通常所需的風機功率相對較小，一般在 180 - 370 瓦之間。這類拱門多用于小型店鋪開業、社區活動等場景，因其體積不大，對風力的需求有限，較低功率的風機就能在較短時間內將其充滿氣，并維持形狀穩定。

　　The fan power of the inflatable arch is not a fixed value and may vary depending on factors such as the size, material, and usage environment of the arch. In terms of size, small inflatable arches, such as those with a height of less than 3 meters and a short span, usually require relatively small fan power, typically between 180-370 watts. This type of arch is often used for small store openings, community activities, and other scenarios. Due to its small size, the demand for wind power is limited, and lower power fans can quickly fill it with air and maintain its shape stability.

　　中等尺寸的充氣拱門，高度一般在 3 - 5 米，跨度適中，常見于普通商業促銷活動、婚禮現場布置等場合。為了讓這類拱門快速充氣并保持挺括，風機功率通常需要達到 370 - 750 瓦。這個功率區間的風機能夠提供足夠的風量，即使在有輕微微風的環境下，也能保證拱門不會因風力變化而塌陷或變形。

　　Medium sized inflatable arches, typically 3-5 meters in height and with a moderate span, are commonly used for commercial promotions, wedding decorations, and other occasions. To quickly inflate and maintain the stiffness of such arches, the fan power typically needs to reach 370-750 watts. The fan in this power range can provide sufficient air volume, ensuring that the arch will not collapse or deform due to wind changes even in environments with slight breezes.

　　而大型充氣拱門，高度超過 5 米甚至更高，跨度也較大，常用于大型展會、運動會開幕式等大型活動。由于其體積龐大，織物表面積大，對抗風力等外界因素的能力要求更高，所以需要功率更強的風機，一般在 750 瓦以上，部分超大型拱門甚至會配備 1100 瓦或更高功率的風機。大功率風機可以確保在短時間內將大量空氣注入拱門，并且持續提供穩定氣流，以維持拱門在復雜環境下的飽滿狀態。

　　Large inflatable arches, with a height of over 5 meters or even higher and a large span, are commonly used for large-scale events such as exhibitions and opening ceremonies of sports events. Due to its large volume, large fabric surface area, and higher requirements for resistance to external factors such as wind, a more powerful fan is needed, generally above 750 watts, and some super large arches may even be equipped with fans of 1100 watts or higher power. High power fans can ensure the injection of a large amount of air into the arch in a short period of time, and continuously provide stable airflow to maintain the arch's full state in complex environments.

　　除了尺寸，充氣拱門的材質也會影響風機功率的選擇。如果拱門采用較厚、透氣性較差的材質，空氣在織物內的流動相對緩慢，就需要功率更大的風機來保證充氣效率和維持氣壓穩定；反之，輕薄、透氣性較好的材質，對風機功率的要求則會相對降低。

　　In addition to size, the material of the inflatable arch also affects the choice of fan power. If the arch is made of thicker and less breathable materials, the flow of air inside the fabric will be relatively slow, requiring a more powerful fan to ensure inflation efficiency and maintain stable air pressure; On the contrary, materials that are lightweight and breathable will have relatively lower requirements for fan power.

　　使用環境同樣不可忽視。在風力較大的戶外環境中，為了讓充氣拱門不被風吹垮或變形，即使是小型拱門也可能需要搭配功率稍大的風機，以增強對抗風力的能力；而在室內等相對封閉、無風的環境下，相同尺寸的拱門所需風機功率則可以適當降低。

　　The usage environment cannot be ignored either. In outdoor environments with strong winds, in order to prevent inflatable arches from being blown down or deformed by the wind, even small arches may need to be equipped with slightly more powerful fans to enhance their ability to resist wind; In relatively enclosed and windless environments such as indoors, the fan power required for arches of the same size can be appropriately reduced.

　　充氣拱門風機功率的選擇是一個綜合考量的過程，需要根據拱門自身條件和實際使用場景靈活確定。只有選對合適功率的風機，才能讓充氣拱門在各種活動中 “精神抖擻” 地迎接八方來客。

　　The selection of the power of the inflatable arch fan is a comprehensive consideration process that needs to be flexibly determined based on the arch's own conditions and actual usage scenarios. Only by selecting the appropriate power of the fan can the inflatable arch greet visitors from all directions with vigor in various activities.

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