WO2016066045A1 - 服务器机箱和风扇热插拔控制方法 - Google Patents

服务器机箱和风扇热插拔控制方法 Download PDF

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Publication number
WO2016066045A1
WO2016066045A1 PCT/CN2015/092512 CN2015092512W WO2016066045A1 WO 2016066045 A1 WO2016066045 A1 WO 2016066045A1 CN 2015092512 W CN2015092512 W CN 2015092512W WO 2016066045 A1 WO2016066045 A1 WO 2016066045A1
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Prior art keywords
fan
transceiver unit
signal sent
controller
control
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English (en)
French (fr)
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黄征
牛功彪
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Alibaba Group Holding Ltd
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Alibaba Group Holding Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating

Definitions

  • the present application relates to the field of computer technology, and in particular, to a server chassis and a fan hot plug control method.
  • a server is an advanced personal computer that can perform specific functions in a computer network.
  • servers can be divided into desktop servers, rack servers, and blade servers.
  • Rack servers are also available in a variety of sizes, such as 1U, 2U, 4U, 6U, 8U, and more.
  • the cabinet of the rack server there are generally installation holes for installing various network devices.
  • the server can be installed in the cabinet through the mounting holes on the cabinet.
  • the server in the prior art generally includes a fixed hard disk area 101, a fan area 102, a computing area 103, a network card, and a PCIE device area 104.
  • the position of the fan is generally placed in the hard disk area. The position between 101 and the calculation area 103.
  • the solution of the present application solves the problem of how to conveniently install and disassemble the fan online.
  • the embodiment of the present application provides a server chassis, where the server chassis includes:
  • a server is installed in the cabinet of the server chassis, and the server includes a main board, a hard disk, a fan, a drawer structure, and a fan hot plug control device.
  • the drawer structure is installed in the cabinet, and the hard disk and the fan are installed.
  • the fan hot plug control device is respectively connected to the fan and a fan controller mounted on the main board, and is adapted to be different according to the fan. The operating state controls the connection or disconnection between the fan and the fan controller.
  • the drawer structure comprises a bracket, the fan and the hard disk are mounted on the bracket, and the left and right ends of the bracket are slidably latched on the left sliding seat disposed on the inner wall of the cabinet In the rail and the right rail, and a handle bar is further provided at the front end of the bracket.
  • the drawer structure further includes a left limit pillar and a right limit pillar, and the left limit pillar and the right limit pillar are respectively disposed at rear ends of the left and right sides of the bracket.
  • the fan hot plug control device includes:
  • a power supply control unit configured to supply power to the fan according to a power supply signal sent by the fan controller
  • a first transceiver unit configured to forward a speed control signal sent by the fan controller to the fan
  • the second transceiver unit is adapted to forward the speed feedback signal sent by the fan to the fan controller.
  • the fan hot plug control device further includes:
  • a first control unit configured to control the power supply control unit to supply power to the fan when detecting a hot plug operation of the fan, and control the first transceiver unit to send a speed control signal sent by the fan controller to the fan And controlling the second transceiver unit to send the speed feedback signal sent by the fan to the fan controller.
  • a second control unit configured to control the power supply control unit to stop supplying power to the fan when detecting a hot pull operation of the fan, and control the first transceiver unit to stop the speed control signal sent by the fan controller Sending to the fan, and controlling the second transceiver unit to stop transmitting a speed feedback signal sent by the fan to the fan controller.
  • the first transceiver unit is a register.
  • the second transceiver unit is a register.
  • the embodiment of the present application further provides a fan hot swap control method, where the method includes:
  • the first transceiver unit is a register.
  • the second transceiver unit is a register.
  • the drawer structure and the fan hot-swap control device By disposing the drawer structure and the fan hot-swap control device, it is possible to facilitate the removal and installation of the fan by pulling out the drawer structure. At the same time, the fan control related components are protected by the fan hot plug device for connecting and disconnecting between the fan and the fan controller, thereby eliminating damage caused by the fan hot plug operation to the server related components.
  • FIG. 1 is a schematic structural diagram of a server in the prior art
  • FIG. 2 is a schematic structural diagram of a server chassis in the embodiment of the present application.
  • FIG. 3 is a schematic structural diagram of a fan hot swap control state in the embodiment of the present application.
  • FIG. 4 is a flowchart of a method for controlling hot swapping of a fan in an embodiment of the present application
  • FIG. 5 is a flowchart of a method for controlling hot swapping of a fan when a hot extraction operation of a fan is detected in the embodiment of the present application;
  • FIG. 6 is a flowchart of a method for controlling hot swapping of a fan when a hot insertion operation of a fan is detected in the embodiment of the present application.
  • the technical solution adopted by the embodiment of the present application can facilitate the disassembly and installation of the fan by setting the drawer structure and the fan hot plug control device, and can perform the hot plug operation of the fan. Reduces damage to server-related components.
  • FIG. 2-3 shows a schematic structural diagram of a server chassis in the embodiment of the present application.
  • the server chassis shown in FIG. 2-3 may include: a cabinet 20 and a server 21 installed in the cabinet, wherein:
  • the server 21 includes a main board 211, a hard disk 212, a fan 213, and a drawer structure 214.
  • the drawer structure 214 is installed in the cabinet 20, and the hard disk 212 and the fan 213 are installed in the drawer structure 214. And connected to the main board 211 by a stretchable cable.
  • the drawer structure 214 may include a bracket 2141, and the left and right ends of the bracket 2141 are slidably engaged in the left rail 2142 and the right rail 2143 disposed on the inner wall of the cabinet. And a left handle bar 2144 and a right hand strap 2145 are respectively disposed at the front end of the bracket 2141.
  • the bracket 213 is removed from the cabinet 20 by the left pull bar 2144 and the right pull bar 2145, respectively, and the fan 213 can be removed and installed.
  • the connection between the hard disk 212 and the fan 213 and the main board 211 is not affected, so that the server can operate normally, and the replacement of the fan 213 can be facilitated.
  • the drawer structure in the embodiment of the present application may further include a left limit column 2146 and a right limit column 2147, wherein the left limit column 2146 And right limit posts 2147 are respectively disposed at the rear ends of the left and right sides of the bracket 2141.
  • the server chassis in the embodiment of the present application may further include a fan hot plug control device for performing the hot plug operation of the fan.
  • the fan hot-swapping device is respectively connected to the fan 213 and a fan controller mounted on the main board, and is adapted to control connection or disconnection between the fan and the fan controller according to different operating states of the fan. .
  • the fan hot plug control apparatus 400 in the embodiment of the present application may include a power supply control unit 401, a first transceiver unit 402, and a second transceiver unit 403, where:
  • the power supply control unit 401 is adapted to supply power to the fan according to a power supply signal sent by the fan controller.
  • the first transceiver unit 402 is adapted to forward the speed control signal sent by the fan controller to the fan.
  • the first transceiver unit 402 can be a register.
  • the second transceiver unit 403 is adapted to forward the speed feedback signal sent by the fan to the fan controller.
  • the second transceiver unit 403 can be a register.
  • the second transceiver unit 403 can be a register.
  • the fan hot plug control apparatus 400 in the embodiment of the present application may further include a first control unit 404 and a second control unit 405, where:
  • the first control unit 404 is adapted to control the power supply control unit to stop supplying power to the fan when detecting a hot pull operation of the fan, and control the first transceiver unit to stop the speed control sent by the fan controller.
  • a signal is sent to the fan, and the second transceiver unit is controlled to stop transmitting a speed feedback signal sent by the fan to the fan controller.
  • a second control unit 405 configured to control the power supply control unit to supply power to the fan when detecting a hot plug operation of the fan, and control the first transceiver unit to send a speed control signal sent by the fan controller to The fan, and controlling the second transceiver unit to send a speed feedback signal sent by the fan to the fan controller.
  • the power delivered by the fan controller passes through the output of the power supply control unit 401 to the fan to provide power for normal operation of the fan.
  • the speed control signal sent by the fan controller according to the operating state of the fan is first written into the register of the first transceiver unit 402 through the fan hot plug control device 400, and then passed through the fan hot plug control device 400 by the first transceiver unit 402.
  • the output of the speed control signal is output to the fan to control the operation of the fan.
  • the fan is operated under the rotation speed control signal sent by the fan controller, and the fan hot-swap control device 400 receives the rotation speed feedback signal sent by the fan, and writes it into the register of the second transceiver unit 403, and then the second transceiver unit 403 The output of the speed feedback signal is output to the fan controller.
  • the hot-swap control method of the fan in the embodiment of the present application may include:
  • Step S501 detecting whether there is a hot extraction operation of the fan.
  • Step S502 When the hot extraction operation of the fan is detected, it is detected whether the power of the fan is turned off.
  • Step S503 Turn off the power of the fan, stop forwarding the speed control signal sent by the fan controller to the fan, and stop sending the speed feedback signal sent by the fan to the fan controller.
  • the first control unit 404 may turn off the power supply control unit 401 when detecting the pull-out operation of the fan, and pass the register of the first transceiver unit 401 and the register of the second transceiver unit 403. Forced write protection to stop sending the speed control signal sent by the fan controller to the fan, and at the same time stop sending the fan speed feedback signal to the fan controller to avoid the logic of the fan controller.
  • the method for controlling the hot swap of the fan in the embodiment of the present application may further include:
  • Step S601 detecting whether there is a hot extraction operation of the fan.
  • whether a fan hot extraction operation occurs can be detected by a corresponding detecting device.
  • Step S602 When the hot extraction operation of the fan is detected, it is detected whether the power of the fan is turned on.
  • Step S603 Turn on the power of the fan, forward the speed control signal sent by the fan controller to the fan, and send the speed feedback signal sent by the fan to the fan controller.
  • the second control unit 405 may turn on the power supply control unit 402 when the hot plug operation of the fan is detected, and output the power sent by the fan controller to the fan.
  • the second control unit 405 can cancel the register write protection for the register of the first transceiver unit 401 and the second transceiver unit 403, so that the first transceiver unit 402 can output the speed control signal sent by the fan controller to the fan, The speed control signal sent by the fan controller is sent to the fan, and the fan speed feedback signal is sent to the fan controller at the same time.
  • the fan hot-swap control device can reduce the impact on the fan speed signal control port, the speed feedback signal port, and the power input port during the hot plug process. This can reduce the occurrence of failures.
  • the probability of error can be reduced from the viewpoint of the number of devices.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

一种服务器机箱，所述服务器机箱的机柜中安装有服务器(21)，所述服务器包括主板(211)、硬盘(212)、风扇(213)、抽屉式结构(214)和风扇热插拔控制装置(400)，所述抽屉式结构安装在所述机柜(20)中，所述硬盘和风扇安装在所述抽屉式结构中，并通过线缆与所述主板连接，所述风扇热插拔控制装置分别与所述风扇和风扇控制器相连接，适于在根据风扇的不同运行状态，控制所述风扇与风扇控制器之间的连接或者断开。上述的方案可以方便风扇的拆卸和安装，并可以对风扇控制相关的部件进行保护，消除风扇热插拔操作对服务器相关部件造成的损害。

Description

服务器机箱和风扇热插拔控制方法 技术领域
本申请涉及计算机技术领域，特别是涉及一种服务器机箱和风扇热插拔控制方法。
背景技术
服务器为可以在计算机网络中执行特定的功能的高级个人计算机。根据服务器所采用的机箱的结构不同，服务器可以分为台式服务器、机架式服务器和刀片式服务器。
机架式服务器也有多种规格，例如1U、2U、4U、6U、8U等。在机架式服务器的机柜内一般具有安装各种网络设备的安装孔，通过机柜上的安装孔可以将服务器安装在机柜内。
现有技术中的服务器一般包含固定的硬盘区域101、风扇区域102、计算区域103、网卡和PCIE设备区域104，为了保证硬盘的热插拔和足够的硬盘数量，风扇的位置一般放在硬盘区域101和计算区域103中间的位置。当风扇损坏时，由于数据中心上下机架之间空间狭窄，且网线和电源线布线紧凑，无法在不停机的情况下打开机箱盖在线更换风扇。
发明内容
本申请实施例解决的是如何方便在线进行风扇的安装和拆卸的问题。
为解决上述问题，本申请实施例提供了一种服务器机箱，所述服务器机箱包括：
所述服务器机箱的机柜中安装有服务器，所述服务器包括主板、硬盘、风扇、抽屉式结构和风扇热插拔控制装置，所述抽屉式结构安装在所述机柜中，所述硬盘和风扇安装在所述抽屉式结构中，并通过线缆与所述主板连接，所述风扇热插拔控制装置分别与所述风扇和安装于主板上的风扇控制器相连接，适于在根据风扇的不同运行状态，控制所述风扇与风扇控制器之间的连接或者断开。
可选地，所述抽屉式结构包括托架，所述风扇和硬盘安装在所述托架上，所述托架的左右两端可滑动地卡设于设置在所述机柜内壁上的左滑轨和右滑轨中，且在所述托架的前端还设置有手拉条手拉条。
可选地，所述抽屉式结构还包括左限位柱和右限位柱，所述左限位柱和右限位柱分别设置在所述托架的左右两侧的后端。
可选地，所述风扇热插拔控制装置包括：
供电控制单元，适于根据风扇控制器发送的供电信号，为所述风扇供电；
第一收发单元，适于将所述风扇控制器发送的转速控制信号转发至所述风扇；
第二收发单元，适于将所述风扇发送的转速反馈信号转发至所述风扇控制器。
可选地，所述风扇热插拔控制装置还包括：
第一控制单元，适于当检测到风扇的热插入操作时，控制所述供电控制单元向所述风扇供电，控制第一收发单元将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制第二收发单元将所述风扇发送的转速反馈信号发送至所述风扇控制器。
第二控制单元，适于当检测到风扇的热拔出操作时，控制所述供电控制单元停止向所述风扇供电，控制所述第一收发单元停止将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制所述第二收发单元停止将所述风扇发送的转速反馈信号发送至所述风扇控制器。
可选地，所述第一收发单元为寄存器。
可选地，所述第二收发单元为寄存器。
本申请实施例还提供了一种风扇热插拔控制方法，所述方法包括：
当检测到风扇的热插入操作时，控制所述供电控制单元向所述风扇供电，控制所述第一收发单元将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制所述第二收发单元将所述风扇发送的转速反馈信号发送至所述风扇控制器。
当检测到风扇的热拔出操作时，控制所述供电控制单元停止向所述风扇供电，控制所述第一收发单元停止将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制所述第二收发单元停止将所述风扇发送的转速反馈信号发送至所述风扇控制器。
可选地，所述第一收发单元为寄存器。
可选地，所述第二收发单元为寄存器。
与现有技术相比，本申请的技术方案具有以下的优点：
通过为抽屉式结构和风扇热插拔控制装置的设置，可以通过将抽屉式结构拉出，方便风扇的拆卸和安装。同时，通过风扇热插拔装置对于风扇和风扇控制器之间的连接和断开，来对风扇控制相关的部件进行保护，消除风扇热插拔操作对服务器相关部件造成的损害。
附图说明
图1是现有技术中的一种服务器的结构示意图；
图2是本申请实施例中的一种服务器机箱的结构示意图；
图3是本申请实施例中的一种风扇热插拔控制状态的结构示意图；
图4是本申请实施例中的一种风扇热插拔控制方法的流程图；
图5是本申请实施例中当检测到风扇的热拔出操作时风扇热插拔控制方法的流程图；
图6是本申请实施例中当检测到风扇的热插入操作时风扇热插拔控制方法的流程图。
具体实施方式
为解决现有技术中存在的上述问题，本申请实施例采用的技术方案通过为抽屉式结构和风扇热插拔控制装置的设置，可以方便风扇的拆卸和安装，可以在进行风扇热插拔操作时减少对服务器相关部件造成的损害。
为使本申请的上述目的、特征和优点能够更为明显易懂，下面结合附图对本申请的具体实施例做详细的说明。
图2-3示出了本申请实施例中的一种服务器机箱的结构示意图。如图2-3所示的服务器机箱可以包括：机柜20和安装在所述机柜中的服务器21，其中：
所述服务器21包括主板211、硬盘212、风扇213、抽屉式结构214，所述抽屉式结构214安装在所述机柜20中，所述硬盘212和风扇213安装在所述抽屉式结构214中，并通过可拉伸的线缆与所述主板211连接。
在具体实施中，所述抽屉式结构214可以包括托架2141，所述托架2141的左右两端可滑动地卡设于设置在所述机柜内壁上的左滑轨2142和右滑轨2143中，且在所述托架2141的前端还分别设置有左手拉条2144和右手拉条2145。
当需要更换风扇213时，分别通过左手拉条2144和右手拉条2145将托架从机柜20中抽出，即可进行风扇213的拆卸和安装。同时，由于风扇213和硬盘212通过可拉伸的电缆与主板连接，因此，不会对硬盘212和风扇213与主板211之间的连接造成影响，使得服务器可以正常运转，可以方便风扇213的更换。
在具体实施中，为了防止托架2141从机柜中抽出滑落，本申请实施例中所述抽屉式结构还可以包括左限位柱2146和右限位柱2147，其中，所述左限位柱2146和右限位柱2147分别设置在所述托架2141的左右两侧的后端。
为了在进行风扇的热插拔操作时，本申请实施例中的服务器机箱还可以包括风扇热插拔控制装置。其中，风扇热插拔装置分别与所述风扇213和安装于主板上的风扇控制器相连接，适于在根据风扇的不同运行状态，控制所述风扇与风扇控制器之间的连接或者断开。
请参见图4所示，本申请实施例中的风扇热插拔控制装置400，可以包括供电控制单元401、第一收发单元402和第二收发单元403，其中：
供电控制单元401，适于根据风扇控制器发送的供电信号，为所述风扇供电。
第一收发单元402，适于将所述风扇控制器发送的转速控制信号转发至所述风扇。其中，第一收发单元402可以为寄存器。
第二收发单元403，适于将所述风扇发送的转速反馈信号转发至所述风扇控制器。其中，所述第二收发单元403可以为寄存器。其中，第二收发单元403可以为寄存器。
在具体实施中，本申请实施例中的风扇热插拔控制装置400还可以包括第一控制单元404和第二控制单元405，其中：
第一控制单元404，适于当检测到风扇的热拔出操作时，控制所述供电控制单元停止向所述风扇供电，控制所述第一收发单元停止将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制所述第二收发单元停止将所述风扇发送的转速反馈信号发送至所述风扇控制器。
第二控制单元405，适于当检测到风扇的热插入操作时，控制所述供电控制单元向所述风扇供电，控制所述第一收发单元将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制所述第二收发单元将所述风扇发送的转速反馈信号发送至所述风扇控制器。
本申请实施例中的风扇热插拔控制装置的工作原理如下：
当风扇正常运转时，将风扇控制器输送的电源，经过所述供电控制单元401的输出给风扇，以为风扇的正常运转提供电源。
首先，风扇控制器根据风扇的运行状态发送的转速控制信号首先通过风扇热插拔控制装置400写入第一收发单元402的寄存器中，再由第一收发单元402通过风扇热插拔控制装置400的转速控制信号输出端输出给风扇，控制风扇的运转。
然后，风扇在风扇控制器发送的转速控制信号下运转，由风扇热插拔控制装置400接收风扇发送的转速反馈信号，并写入第二收发单元403的寄存器中，再由第二收发单元403通过转速反馈信号输出端输出至风扇控制器。
下面结合图5和图6所示的本申请实施例中的风扇热插拔控制方法对图4所示的风扇热插拔控制装置的工作原理进行进一步详细的介绍。
首先请参见图5所示，在进行风扇的热拔出操作时，本申请实施例中风扇热插拔控制方法可以包括：
步骤S501：检测是否有风扇的热拔出操作。
在具体实施中，可以通过相应的检测装置检测是否有风扇的热拔出操作。
步骤S502：当检测到有风扇的热拔出操作时，检测风扇的电源是否关闭。
在具体实施中，当检测到有风扇的热拔出操作时，为了对于来自风扇控制器发送的电源进行保护，可以首先检测电源是否关闭。
步骤S503：将风扇的电源关闭，停止将风扇控制器发送的转速控制信号转发至风扇，并停止将风扇发送的转速反馈信号发送至风扇控制器。
在本申请一实施例中，第一控制单元404可以在检测到有风扇的拔出操作时，将供电控制单元401关闭，并通过将第一收发单元401的寄存器和第二收发单元403的寄存器强行进行写保护，来停止将风扇控制器发送的转速控制信号发送至风扇，并同时停止将风扇的转速反馈信号发送至风扇控制器，以避免风扇控制器的逻辑错乱。
请参见图6所示，在进行风扇的热拔出操作时，本申请实施例中风扇热插拔控制方法还可以包括：
步骤S601：检测是否有风扇的热拔出操作。
在具体实施中，可以通过相应的检测装置来检测是否有风扇热拔出操作的发生。
步骤S602：当检测到有风扇的热拔出操作时，检测风扇的电源是否接通。
步骤S603：将风扇的电源接通，将风扇控制器发送的转速控制信号转发至风扇，并将风扇发送的转速反馈信号发送至风扇控制器。
在本申请一实施例中，第二控制单元405可以在检测到有风扇的热插入操作时，将供电控制单元402开启，已将风扇控制器发送的电源输出给风扇供电。
同时，第二控制单元405可以撤销对于第一收发单元401的寄存器和第二收发单元403的寄存器写保护，以使得第一收发单元402可以将风扇控制器发送的转速控制信号输出给风扇，以将风扇控制器发送的转速控制信号发送至风扇，并同时将风扇的转速反馈信号发送至风扇控制器。
由此可知，在进行风扇的热插拔操作时，通过上述的风扇热插拔控制装置可以会减少热插拔过程中，对风扇转速信号控制端口，转速反馈信号端口，电源输入端口的冲击，从而可以减少故障的发生。同时，由于采用一风扇热插拔控制装置来完成上述的功能，可以从器件数量的角度出发，来减少出错的概率。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于计算机可读存储介质中，存储介质可以包括：ROM、RAM、磁盘或光盘等。
以上对本申请实施例的方法及系统做了详细的介绍，本申请并不限于此。任何本领域技术人员，在不脱离本申请的精神和范围内，均可作各种更动与修改，因此本申请的保护范围应当以权利要求所限定的范围为准。

Claims (10)

  1. 一种服务器机箱，其特征在于，所述服务器机箱的机柜中安装有服务器，所述服务器包括主板、硬盘、风扇、抽屉式结构和风扇热插拔控制装置，所述抽屉式结构安装在所述机柜中，所述硬盘和风扇安装在所述抽屉式结构中，并通过线缆与所述主板连接，所述风扇热插拔控制装置分别与所述风扇和安装于主板上的风扇控制器相连接，适于在根据风扇的不同运行状态，控制所述风扇与风扇控制器之间的连接或者断开。
  2. 根据权利要求1所述的服务器机箱，其特征在于，所述抽屉式结构包括托架，所述风扇和硬盘安装在所述托架上，所述托架的左右两端分别可滑动地卡设于设置在所述机柜内壁上的左滑轨和右滑轨中，且在所述托架的前端还设置有手拉条。
  3. 根据权利要求2所述的服务器机箱，其特征在于，所述抽屉式结构还包括左限位柱和右限位柱，所述左限位柱和右限位柱分别设置在所述托架的左右两侧的后端。
  4. 根据权利要求1所述的服务器机箱，其特征在于，所述风扇热插拔控制装置包括：
    供电控制单元，适于根据风扇控制器发送的供电信号，为所述风扇供电；
    第一收发单元，适于将所述风扇控制器发送的转速控制信号转发至所述风扇；
    第二收发单元，适于将所述风扇发送的转速反馈信号转发至所述风扇控制器。
  5. 根据权利要求4所述的服务器机箱，其特征在于，所述风扇热插拔控制装置还包括：
    第一控制单元，适于当检测到风扇的热插入操作时，控制所述供电控制单元向所述风扇供电，控制所述第一收发单元将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制所述第二收发单元将所述风扇发送的转速反馈信号发送至所述风扇控制器。
    第二控制单元，适于当检测到风扇的热拔出操作时，控制所述供电控制单元停止向所述风扇供电，控制所述第一收发单元停止将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制所述第二收发单元停止将所述风扇发送的转速反馈信号发送至所述风扇控制器。
  6. 根据权利要求4或5所述的服务器机箱，其特征在于，所述第一收发单元为寄存器。
  7. 根据权利要求4或5所述的服务器机箱，其特征在于，所述第二收发单元为寄存器。
  8. 一种风扇热插拔控制方法，其中，该方法包括：
    当检测到风扇的热插入操作时，控制供电控制单元向所述风扇供电，控制所述第一收发单元将风扇控制器发送的转速控制信号发送至所述风扇，并控制第二收发单元将所述风扇发送的转速反馈信号发送至所述风扇控制器。
    当检测到风扇的热拔出操作时，控制所述供电控制单元停止向所述风扇供电，控制所述第一收发单元停止将所述风扇控制器发送的转速控制信号发送至所述风扇，并控制所述第二收发单元停止将所述风扇发送的转速反馈信号发送至所述风扇控制器。
  9. 根据权利要求8的风扇热插拔控制方法，其特征在于，所述第一收发单元为寄存器。
  10. 根据权利要求8或9风扇热插拔控制方法，其特征在于，所述第二收发单元为寄存器。
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