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机箱气流:如何冷却您的电脑并避免热节流

您的 PC 是否过热并丢失 FPS?了解如何通过风扇、正压和排气设置正确的气流(Airflow)。

3 min read
Level: 初学者
Douglas Felipe M. Gonçalves
Updated in 2026
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Technical Summary

检查#1冷空气从前面/底部进入
检查#2热空气从后/顶部排出
理想压力正(进气多于排气)
困难简单的

01.什么是气流以及为什么它很重要?

**气流**是计算机内部空气流动的科学。如果热空气“滞留在”机箱内,您的处理器和显卡风扇只会循环热空气,导致温度上升到安全极限。发生这种情况时,电脑会降低速度(热节流)以避免烧毁,并且您会感觉到游戏卡顿。

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+42%
240 FPS
Gaming Average
-15ms
12ms
System Latency
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System LoadReal-time Optimized

02.1. 风扇定位

几乎所有风扇都将空气吹向“烤架”或制造商标签所在的一侧。遵循以下规则:

  • 前部和底部(进气口):将冷空气从室外拉至室内。
  • 背部和顶部(排气):将热空气从内推到外。
  • 记住:热空气自然上升。因此,顶部风扇应始终是排风扇。

03.2. 正压与负压

防尘的秘诀:

游戏玩家的理想选择是正压。当吹入空气的风扇多于吹出空气的风扇时,就会发生这种情况。这迫使空气(和灰尘)通过外壳的所有裂缝排出,从而防止灰尘通过未过滤的孔进入。

04.3. 玻璃柜(前封闭)

许多现代机箱都有钢化玻璃正面。虽然很漂亮,但如果没有大的侧面通风口,它们会阻碍气流。

提示:如果您有这样的情况并且您的电脑正在沸腾,请尝试在激烈的游戏过程中卸下前面板。您会发现温度立即下降 5°C 至 10°C。

Recommended Optimization

Don't do it Manually.

Voltris Optimizer automates this entire guide and removes Windows delay in seconds.

Voltris Logo
Voltris Optimizer
Active Optimization • 0 items verified
Download
+42%
240 FPS
Gaming Average
-15ms
12ms
System Latency
Optimizing Processchrome.exe
Active...
Input Lag ReductionOptimizing threads...
Maximum
System LoadReal-time Optimized
DG

Written by a verified expert

Douglas Felipe M. Gonçalves

Windows Systems Specialist Voltris Optimizer Developer Advanced Technical Support

Expert in Windows system optimization with years of experience in hardware diagnostics, kernel tuning, and advanced technical support. Founder of Voltris and developer of the Voltris Optimizer.

Meet the Voltris Team

Conclusion and Next Steps

By following this guide on 机箱气流:如何冷却您的电脑并避免热节流, you are equipped with the verified technical knowledge to solve this issue with confidence.

If you still have difficulties after following all steps, our expert support team is available for a personalized remote diagnosis. Every system is unique and may require a specific approach.

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机箱气流:如何冷却您的电脑并避免热节流 | VOLTRIS