在电力传输的 “隐秘战场” 中，电缆桥架不仅是线缆的 “守护者”，更是散热的 “关键卫士”。电缆运行时会产生热量，若无法及时散发，就像给设备裹上了 “闷汗的棉被”，不仅影响性能，还可能埋下隐患。不同类型的电缆桥架在散热能力上各有千秋，一场激烈的 “散热” 争夺战正在上演，究竟谁能脱颖而出，成为热量的克星呢？

　　In the "hidden battlefield" of power transmission, cable trays are not only the "guardians" of cables, but also the "key guardians" of heat dissipation. During cable operation, heat is generated. If it cannot be dissipated in a timely manner, it is like wrapping the equipment in a "sweaty blanket", which not only affects performance but may also pose safety hazards. Different types of cable trays have their own advantages in terms of heat dissipation. A fierce battle for the "heat dissipation champion" is unfolding. Who can stand out and become the nemesis of heat?

　　网格式桥架堪称散热界的 “先锋大将”。它独特的网状结构就像一张开放的 “透气网”，拥有极大的通风面积。电缆在网格式桥架中铺设时，几乎完全暴露在空气中，四面都能与空气充分接触，这种的接触方式，使得热量能够迅速通过对流和辐射的方式散发到周围环境中。就好比给电缆穿上了一件 “镂空透气衫”，空气可以自由穿梭，带走多余热量。而且，网格式桥架的结构不会形成封闭空间阻碍空气流动，即使在电缆密集铺设的情况下，也能保证良好的散热效果，特别适合对散热要求极高的机房、数据中心等场所，让大量发热的电缆始终保持 “冷静” 状态。

　　The grid format cable tray can be regarded as a "pioneer general" in the field of heat dissipation. Its unique mesh structure is like an open "breathable mesh" with a large ventilation area. When cables are laid in grid format cable trays, they are almost completely exposed to the air and can fully contact the air on all sides. This all-round contact method allows heat to be quickly dissipated into the surrounding environment through convection and radiation. It's like putting a "hollow breathable shirt" on the cable, where air can freely shuttle and take away excess heat. Moreover, the structure of the grid format cable tray does not form a closed space that hinders air flow. Even in densely laid cables, it can ensure good heat dissipation effect, especially suitable for places with extremely high heat dissipation requirements such as computer rooms and data centers, keeping a large number of heating cables in a "calm" state at all times.

　　梯级式桥架是散热领域的 “实力选手”。它的形状如同梯子，侧板上设有开放式的梯级，这种设计为空气流动提供了宽敞的通道。电缆铺设在梯级上，底部悬空，空气能够从下方自由流通，形成上下贯通的散热通道。同时，梯级式桥架的梯级间距较大，电缆之间也有足够的空间，进一步减少了热量积聚的可能性。当电缆运行产生热量时，热空气会沿着梯级间的空隙上升，冷空气不断补充，形成自然的热对流循环，如同给电缆搭建了一座 “通风走廊”，有效加快热量散发速度。在一些工业厂房等场所，由于电缆数量多、发热量大，梯级式桥架凭借出色的散热性能和较强的承载能力，成为保障电缆稳定运行的可靠选择。

　　Cascade bridge is a "strong player" in the field of heat dissipation. Its shape is like a ladder, with open steps on the side panels, providing a spacious passage for air flow. The cable is laid on the steps, with the bottom suspended, allowing air to freely circulate from below, forming a heat dissipation channel that runs up and down. At the same time, the spacing between the steps of the stepped bridge is relatively large, and there is sufficient space between the cables, further reducing the possibility of heat accumulation. When the cable generates heat during operation, hot air rises along the gaps between the steps, while cold air continuously replenishes, forming a natural heat convection cycle, like building a "ventilation corridor" for the cable, effectively accelerating the heat dissipation rate. In some industrial plants and other places, due to the large number of cables and high heat generation, stepped cable trays have become a reliable choice for ensuring stable cable operation due to their excellent heat dissipation performance and strong load-bearing capacity.

　　托盘式桥架家族中的 “打孔派”，也在散热战场上占据一席之地。普通的托盘式桥架是一个封闭的槽形结构，散热能力相对较弱，但经过改良的打孔托盘式桥架则大不相同。它在托盘底部和侧边均匀分布着许多小孔，这些小孔就像一个个 “散热窗口”，打破了封闭空间的局限。电缆产生的热量可以通过这些小孔与外界空气进行交换，实现热量的散发。虽然打孔托盘式桥架的散热效果不如网格式和梯级式桥架那样直接和，但相比普通托盘式桥架，其散热能力有了显著提升。在对散热有一定要求，同时又需要对电缆进行较好防护的场所，如建筑物内部的电气布线，打孔托盘式桥架就能兼顾散热与防护，发挥重要作用。

　　The "punching faction" in the tray style bridge family also occupies a place in the battlefield of heat dissipation. The ordinary tray type bridge is a closed groove structure with relatively weak heat dissipation ability, but the improved perforated tray type bridge is quite different. It has many small holes evenly distributed at the bottom and sides of the tray, which are like "heat dissipation windows" that break the limitations of enclosed spaces. The heat generated by the cable can be exchanged with the outside air through these small holes, achieving heat dissipation. Although the heat dissipation effect of perforated tray type bridge is not as direct and efficient as that of grid format and stepped bridge, its heat dissipation capacity has been significantly improved compared to ordinary tray type bridge. In places where there are certain requirements for heat dissipation and good protection for cables, such as electrical wiring inside buildings, perforated tray type cable trays can balance heat dissipation and protection, playing an important role.

　　在电缆桥架的 “散热” 争夺战中，网格式桥架凭借开放结构的天然优势、梯级式桥架依靠独特的通风设计、打孔托盘式桥架借助改良的散热孔，各自展现出强大的散热实力。在实际应用中，根据不同场所对散热、防护、美观等方面的需求，选择合适的电缆桥架类型，才能让电缆在传输电力时始终保持 “清爽”，为电力系统的稳定运行保驾护航。

　　In the battle for the "heat dissipation champion" of cable trays, grid trays showcase their strong heat dissipation capabilities with the natural advantage of open structure, stepped trays with unique ventilation design, and perforated tray trays with improved heat dissipation holes. In practical applications, selecting the appropriate cable tray type based on the needs of different places for heat dissipation, protection, aesthetics, etc. is necessary to ensure that the cables remain "clean" during power transmission and to safeguard the stable operation of the power system.

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