电脑机箱的构造与作用 一、构造 电脑机箱，也被广大用户熟知为“主机箱”或“塔式机箱”，在电脑的构造中起到了承上启下的作用。它不仅保护了内部的硬件组件，还为这些组件提供了必要的散热和电源供应。以下是电脑机箱的主要构造部分： 1. 机箱外壳：机箱外壳通常由金属材料制成，如钢板或铝合金，其目的是为了防止灰尘和静电对内部硬件的损害。 2. 主板托架：这是支撑和固定主板的地方，通常在机箱内部会有多处固定的卡槽和螺丝孔。 3. 扩展槽：用于安装各种扩展卡，如显卡、声卡等。 4. 电源供应：负责将交流电转化为直流电供应给各硬件组件。 5. 风扇与散热系统：机箱内通常会安装多个风扇，用于提供良好的散热效果，同时也有助于机箱内部的空气流通。 6. 驱动器插槽：用于安装硬盘、光驱等存储设备。 7. 接口：包括电源开关、重启键、USB接口等。 二、作用 电脑机箱的主要作用是保护电脑内部硬件并协助其正常运行。具体如下： 1. 保护硬件：机箱的金属外壳可以有效防止静电、灰尘和其他外界因素对内部硬件的损害。 2. 散热：通过风扇和散热系统，机箱可以有效地将硬件运行过程中产生的热量排出，防止硬件因过热而损坏。 3. 提供电源：电源供应单元为电脑的所有硬件提供稳定的电力供应。 4. 提供扩展性：通过扩展槽，用户可以方便地添加或替换硬件组件，如增加内存、升级显卡等。 5. 便于维护：机箱的设计使得用户可以方便地对内部硬件进行维护和升级。 English Version: Construction and Function of Computer Case I. Construction The computer case, commonly known by users as the "tower" or "main case", plays a vital role in the overall construction of a computer, acting as a link between different parts and protecting the internal hardware components. It also provides necessary cooling and power supply for these components. Here are the main construction parts of a computer case: 1. Case Shell: The case shell is usually made of metal materials such as steel or aluminum alloy, which aims to prevent dust and static electricity from damaging the internal hardware. 2. Motherboard Tray: This is where the motherboard is supported and fixed, with multiple fixed slots and screw holes on the inside of the case. 3. Expansion Slots: Used to install various expansion cards such as graphics cards and sound cards. 4. Power Supply: Responsible for converting AC power into DC power to supply to various hardware components. 5. Fans and Cooling System: Multiple fans are usually installed in the case to provide good cooling efficiency and help with air circulation inside the case. 6. Drive Slots: Used to install storage devices such as hard drives and optical drives.

7. Interfaces: Including power switches, reset buttons, USB ports, etc.

II. Function The main function of a computer case is to protect the internal hardware of a computer and assist its normal operation. Specifically: 1. Protection of Hardware: The metal shell of the case can effectively prevent static electricity, dust, and other external factors from damaging the internal hardware components. 2. Cooling: Through fans and cooling systems, the case can effectively discharge the heat generated during hardware operation to prevent hardware damage caused by overheating. 3. Power Supply: The power supply unit provides a stable power supply for all hardware of the computer. 4. Expansion: Users can easily add or replace hardware components such as increasing memory or upgrading graphics cards through expansion slots. 5. Easy Maintenance: The design of the case allows users to easily maintain and upgrade internal hardware components.