CN109062392B - Equipment, method and system for automatically switching power supply of server board card - Google Patents

Abstract

Translated fromChinese

本发明公开了一种自动切换服务器板卡供电的设备，所述设备包括：电源控制电路，用于接收服务器主板的开机信号和服务器供电板的Aux供电信号；还用于当所述服务器主板的开机信号有效时，将所述Aux供电信号转换为主板需要的Core供电信号，并输出控制信号给电源选择电路；电源选择电路，用于根据所述控制信号选择所述Core供电信号输出；反之输出所述Aux供电信号。利用所述设备，能够自动侦测开关机状态，减少供电切换时间，提高供电切换速度。本发明还公开了一种自动切换服务器板卡供电的方法及系统。

The invention discloses a device for automatically switching the power supply of a server board card. The device comprises: a power supply control circuit, which is used for receiving a power-on signal of a server main board and an Aux power supply signal of a server power supply board; When the power-on signal is valid, the Aux power supply signal is converted into the Core power supply signal required by the main board, and a control signal is output to the power supply selection circuit; the power supply selection circuit is used to select the Core power supply signal output according to the control signal; otherwise, output The Aux power supply signal. By using the device, the on-off state can be automatically detected, the power supply switching time can be reduced, and the power supply switching speed can be improved. The invention also discloses a method and a system for automatically switching the power supply of the server board card.

Description

Translated fromChinese

一种自动切换服务器板卡供电的设备、方法及系统A device, method and system for automatically switching power supply of server boards

技术领域technical field

本发明涉及服务器技术领域，尤其涉及一种自动切换服务器板卡供电的设备、方法及系统。The present invention relates to the technical field of servers, and in particular, to a device, method and system for automatically switching the power supply of a server board card.

背景技术Background technique

随着大数据及互联网技术的迅猛发展，服务器的发展与进化也日渐重要起来。其中针对英特尔公司提出的x86架构的服务器，在未开机状态下，服务器板卡仍会为某些模块部件进行供电以保证其功能在服务器关机状态下的正常实现。例如网卡部分，在未开机状态下，能通过网络直接唤醒服务器网卡的链接功能。With the rapid development of big data and Internet technology, the development and evolution of servers are becoming more and more important. Among them, for the server of the x86 architecture proposed by Intel Corporation, when the server is not powered on, the server board will still supply power to some module components to ensure the normal realization of its functions when the server is powered off. For example, the network card part can directly wake up the link function of the server network card through the network when it is not powered on.

因此在为服务器板卡供电时，会存在关机供电和开机供电两种供电方式，其中关机供电指在服务器关机状态下为服务器板卡部分模块供电，开机供电指在服务器开机状态下为服务器板卡供电。现在对于上述两种供电方式的切换，一般利用BMC(BaseboardManagement Controller，基板管理控制器)和CPLD(Complex programmable logicdevice，复杂可编程逻辑器件)来获取当服务器的运行状态，在判断服务器已开机后，输出切换控制信号给供电切换线路以完成供电切换，但这种方法因为控制过程复杂会导致供电切换的过程的响应时间长，供电切换速度慢。Therefore, when supplying power to the server board, there are two power supply modes: shutdown power supply and startup power supply. The shutdown power supply refers to supplying power to some modules of the server board when the server is turned off, and the power supply refers to the server board when the server is turned on. powered by. Now, for the switching of the above two power supply modes, BMC (Baseboard Management Controller, baseboard management controller) and CPLD (Complex programmable logic device, complex programmable logic device) are generally used to obtain the running status of the current server. After judging that the server is turned on, The switching control signal is output to the power supply switching circuit to complete the power supply switching, but this method will result in a long response time and slow power supply switching process due to the complicated control process.

发明内容SUMMARY OF THE INVENTION

为了解决现有技术中存在的以上技术问题，本发明提供一种自动切换服务器板卡供电的设备、方法及系统，能够自动侦测开关机状态，减少供电切换时间，提高供电切换速度。In order to solve the above technical problems existing in the prior art, the present invention provides a device, method and system for automatically switching the power supply of a server board card, which can automatically detect the on-off state, reduce the power supply switching time, and improve the power supply switching speed.

本发明提供了一种自动切换服务器板卡供电的设备，所述设备包括：The present invention provides a device for automatically switching the power supply of a server board, the device comprising:

电源控制电路，用于接收服务器主板的开机信号和服务器供电板的Aux供电信号；还用于当所述服务器主板的开机信号有效时，将所述Aux供电信号转换为主板需要的Core供电信号，并输出控制信号给电源选择电路；The power supply control circuit is used to receive the power-on signal of the server motherboard and the Aux power-supply signal of the server power supply board; it is also used to convert the Aux power-supply signal into the Core power-supply signal required by the motherboard when the power-on signal of the server motherboard is valid, And output the control signal to the power selection circuit;

电源选择电路，用于根据所述控制信号选择所述Core供电信号输出；反之输出所述Aux供电信号。The power supply selection circuit is used to select the Core power supply signal to output according to the control signal; otherwise, output the Aux power supply signal.

可选的，所述设备还包括：信号转换模块；Optionally, the device further includes: a signal conversion module;

所述信号转换模块的输入端连接所述电源控制电路输出的使能信号；The input end of the signal conversion module is connected to the enable signal output by the power supply control circuit;

所述信号转换模块，用于在所述使能信号有效时，输出有效电平信号给所述电源选择电路，以使所述电源选择电路输出所述Core供电信号。The signal conversion module is configured to output a valid level signal to the power supply selection circuit when the enable signal is valid, so that the power supply selection circuit outputs the Core power supply signal.

可选的，所述电源选择电路包括：NMOS管和PMOS管；Optionally, the power selection circuit includes: an NMOS transistor and a PMOS transistor;

所述NMOS管的栅极和PMOS的栅极均连接所述信号转换模块输出的有效电平信号；The gate of the NMOS tube and the gate of the PMOS are both connected to the effective level signal output by the signal conversion module;

所述NMOS管的漏极连接所述Core供电信号；The drain of the NMOS transistor is connected to the Core power supply signal;

所述PMOS管的漏极连接所述Aux供电信号；The drain of the PMOS transistor is connected to the Aux power supply signal;

所述NMOS管和PMOS管的源极连接在一起。The sources of the NMOS transistor and the PMOS transistor are connected together.

可选的，所述信号转换模块的输入输出特性为：Optionally, the input and output characteristics of the signal conversion module are:

输入是高电平时，输出是高电平；输入是低电平时，输出是低电平。When the input is high, the output is high; when the input is low, the output is low.

可选的，所述设备还包括：电阻；Optionally, the device further includes: a resistor;

所述电阻的第一端连接所述NMOS管和PMOS管的栅极，所述电阻的第二端接地。The first end of the resistor is connected to the gates of the NMOS transistor and the PMOS transistor, and the second end of the resistor is grounded.

可选的，所述Core供电信号为3.3V。Optionally, the Core power supply signal is 3.3V.

本发明实施例还提供了一种自动切换服务器板卡供电的方法，应用于所述自动切换服务器板卡供电的设备，所述方法包括：The embodiment of the present invention also provides a method for automatically switching the power supply of a server board card, which is applied to the device for automatically switching the power supply of the server board card, and the method includes:

接收服务器主板的开机信号和服务器供电板的Aux供电信号；当所述服务器主板的开机信号有效时，将所述Aux供电信号转换为主板需要的Core供电信号，并输出控制信号；Receive the power-on signal of the server motherboard and the Aux power-supply signal of the server power supply board; when the power-on signal of the server motherboard is valid, convert the Aux power-supply signal into the Core power-supply signal required by the motherboard, and output a control signal;

根据所述控制信号选择所述Core供电信号输出；反之输出所述Aux供电信号。The Core power supply signal is selected to be output according to the control signal; otherwise, the Aux power supply signal is output.

可选的，根据所述控制信号选择所述Core供电信号输出，具体包括：Optionally, selecting the Core power supply signal output according to the control signal specifically includes:

将所述控制信号作为使能信号；using the control signal as an enable signal;

在所述使能信号有效时，输出有效电平信号，根据所述有效电平信号选择所述Core供电信号输出。When the enable signal is valid, a valid level signal is output, and the Core power supply signal is selected for output according to the valid level signal.

可选的，所述主板需要的Core供电信号为3.3V。Optionally, the Core power supply signal required by the motherboard is 3.3V.

本发明实施例还提供了一种自动切换服务器板卡供电的系统，所述系统包括所述自动切换服务器板卡供电的设备。An embodiment of the present invention further provides a system for automatically switching the power supply of a server board card, the system including the device for automatically switching the power supply of the server board card.

与现有技术相比，本发明至少具有以下优点：Compared with the prior art, the present invention has at least the following advantages:

本发明提供的自动切换服务器板卡供电的设备包括了电源控制电路和电源选择电路。其中电源控制电路接收服务器主板的开机信号和服务器供电板的Aux供电信号，当服务器主板的开机信号有效，即服务器主板开机时，所述开机信号作为电源控制电路的使能信号，使能电源控制电路将Aux供电信号转换为主板需要的Core供电信号，并输出控制信号给电源选择电路，电源选择电路根据所述控制信号选择所述Core供电信号输出；反之若服务器主板未开机，电源控制电路不进行信号的转换，此时电源选择电路输出所述Aux供电信号。利用本发明提供的自动切换服务器板卡供电的设备，能够自动侦测开关机状态，减少供电切换时间，提高供电切换速度。The device for automatically switching the power supply of the server board card provided by the present invention includes a power supply control circuit and a power supply selection circuit. The power control circuit receives the power-on signal of the server main board and the Aux power supply signal of the server power supply board. When the power-on signal of the server main board is valid, that is, when the server main board is powered on, the power-on signal is used as the enable signal of the power control circuit to enable the power control The circuit converts the Aux power supply signal into the Core power supply signal required by the motherboard, and outputs a control signal to the power supply selection circuit. The power supply selection circuit selects the Core power supply signal to output according to the control signal; otherwise, if the server motherboard is not powered on, the power supply control circuit The signal conversion is performed, and at this time, the power supply selection circuit outputs the Aux power supply signal. Using the device for automatically switching the power supply of the server board card provided by the present invention can automatically detect the on-off state, reduce the power supply switching time, and improve the power supply switching speed.

附图说明Description of drawings

为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请中记载的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the accompanying drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments described in this application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

图1为本申请实施例一提供的一种自动切换服务器板卡供电的设备的示意图；FIG. 1 is a schematic diagram of a device for automatically switching the power supply of a server board card according to Embodiment 1 of the present application;

图2为本申请实施例二提供的一种自动切换服务器板卡供电的设备的示意图；FIG. 2 is a schematic diagram of a device for automatically switching power supply of a server board according to Embodiment 2 of the present application;

图3为本申请实施例三提供的一种自动切换服务器板卡供电的设备的工作原理示意图；FIG. 3 is a schematic diagram of the working principle of a device for automatically switching the power supply of a server board according to Embodiment 3 of the present application;

图4为本申请实施例四提供的一种自动切换服务器板卡供电的方法的流程图；FIG. 4 is a flowchart of a method for automatically switching the power supply of a server board according to Embodiment 4 of the present application;

图5为本申请实施例五提供的一种自动切换服务器板卡供电的系统的结构图。FIG. 5 is a structural diagram of a system for automatically switching the power supply of a server board card according to Embodiment 5 of the present application.

具体实施方式Detailed ways

为了使本技术领域的人员更好地理解本发明方案，下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。In order to make those skilled in the art better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

实施例一：Example 1:

参见图1，该图为本申请实施例一提供的一种自动切换服务器板卡供电的设备的示意图。Referring to FIG. 1 , this figure is a schematic diagram of a device for automatically switching power supply of a server board according to Embodiment 1 of the present application.

所述自动切换服务器板卡供电的设备包括：电源控制电路101和电源选择电路102。The device for automatically switching the power supply of the server board includes: a powersupply control circuit 101 and a powersupply selection circuit 102 .

电源控制电路101，用于接收服务器主板的开机信号和服务器供电板的Aux供电信号；还用于当所述服务器主板的开机信号有效时，将所述Aux供电信号转换为主板需要的Core供电信号，并输出控制信号给电源选择电路102。The powersupply control circuit 101 is used to receive the power-on signal of the server mainboard and the Aux power supply signal of the server power supply board; it is also used to convert the Aux power supply signal into the Core power supply signal required by the mainboard when the power-on signal of the server mainboard is valid , and output a control signal to thepower selection circuit 102 .

其中Aux供电信号指服务器处于关机状态下依然存在的供电，Core供电信号指系统开机后才有的供电，由于开机后需要切换至Core供电信号，本申请实施例利用电源控制电路101将所述Aux供电信号转换为主板需要的Core供电信号。The Aux power supply signal refers to the power supply that still exists when the server is in a shutdown state, and the Core power supply signal refers to the power supply that exists only after the system is powered on. Since it is necessary to switch to the Core power supply signal after booting, the embodiment of the present application uses thepower control circuit 101 to convert the Aux power supply signal. The power supply signal is converted into the Core power supply signal required by the motherboard.

需要注意的是，所述Core供电信号为3.3V。3.3V的Core供电信号主要是为了服务器板卡外围设备以及控制芯片等供电，例如网卡部分、显卡上的外围电路、USB接口的供电以及固态硬盘的供电。It should be noted that the Core power supply signal is 3.3V. The 3.3V Core power supply signal is mainly for the power supply of the peripheral devices of the server board card and the control chip, such as the network card part, the peripheral circuit on the graphics card, the power supply of the USB interface and the power supply of the solid-state hard disk.

当服务器处于开机状态时，服务器主板向电源控制电路101发送开机信号，该信号可以是模拟信号也可以是数字信号。When the server is in a power-on state, the server mainboard sends a power-on signal to thepower control circuit 101, and the signal may be an analog signal or a digital signal.

电源选择电路102，用于根据所述控制信号选择所述Core供电信号输出；反之输出所述Aux供电信号。Thepower selection circuit 102 is configured to select the Core power supply signal to output according to the control signal; otherwise, output the Aux power supply signal.

本申请实施例提供的自动切换服务器板卡供电的设备包括了电源控制电路和电源选择电路。其中电源控制电路接收服务器主板的开机信号和服务器供电板的Aux供电信号，当服务器主板的开机信号有效，即服务器主板开机时，所述开机信号作为电源控制电路的使能信号，使能电源控制电路将Aux供电信号转换为主板需要的Core供电信号，并输出控制信号给电源选择电路，电源选择电路，根据所述控制信号选择所述Core供电信号输出；反之若服务器主板未开机，电源控制电路不进行信号的转换，此时电源选择电路输出所述Aux供电信号。利用本发明提供的自动切换服务器板卡供电的设备，能够自动侦测开关机状态，减少供电切换时间，提高供电切换速度。The device for automatically switching the power supply of the server board provided by the embodiment of the present application includes a power supply control circuit and a power supply selection circuit. The power control circuit receives the power-on signal of the server main board and the Aux power supply signal of the server power supply board. When the power-on signal of the server main board is valid, that is, when the server main board is powered on, the power-on signal is used as the enable signal of the power control circuit to enable the power control The circuit converts the Aux power supply signal into the Core power supply signal required by the motherboard, and outputs a control signal to the power supply selection circuit. The power supply selection circuit selects the Core power supply signal to output according to the control signal; otherwise, if the server motherboard is not powered on, the power supply control circuit No signal conversion is performed, and the power supply selection circuit outputs the Aux power supply signal at this time. Using the device for automatically switching the power supply of the server board card provided by the present invention can automatically detect the on-off state, reduce the power supply switching time, and improve the power supply switching speed.

实施例二：Embodiment 2:

基于上述实施例提供的自动切换服务器板卡供电的设备，本实施例在设备中增加了信号转换模块，下面结合附图具体说明其工作原理。Based on the device for automatically switching the power supply of the server board provided by the above embodiment, a signal conversion module is added to the device in this embodiment, and the working principle of the device is described in detail below with reference to the accompanying drawings.

参见图2，该图为本申请实施例二提供的一种自动切换服务器板卡供电的设备的示意图。Referring to FIG. 2 , this figure is a schematic diagram of a device for automatically switching power supply of a server board according to Embodiment 2 of the present application.

所述自动切换服务器板卡供电的设备包括：电源控制电路101，电源选择电路102和信号转换模块201。The device for automatically switching the power supply of the server board includes: apower control circuit 101 , apower selection circuit 102 and asignal conversion module 201 .

信号转换模块201的输入端连接所述电源控制电路101输出的使能信号；The input end of thesignal conversion module 201 is connected to the enable signal output by thepower control circuit 101;

信号转换模块201，用于在所述使能信号有效时，输出有效电平信号给所述电源选择电路，以使所述电源选择电路输出所述Core供电信号。Thesignal conversion module 201 is configured to output a valid level signal to the power supply selection circuit when the enable signal is valid, so that the power supply selection circuit outputs the Core power supply signal.

需要注意的是，电源选择电路102具有选择通断电路的能力，为了实现该能力，电路中往往需要加入门电路芯片，即通过控制信号既可以控制其导通，又可以控制其关断的电力电子器件，例如门极可关断晶闸管，电力场效应晶体管，绝缘栅双极晶体管等。由于器件导通电路时，瞬时过大的电流或电流上升率而烧坏器件；器件隔断电路时，瞬时过大的电压或电压上升率可能导致器件内部流过过大的结电容电流而引发误触，为了避免上述问题，本申请实施例在电源选择电路102前增加了信号转换模块201。It should be noted that thepower selection circuit 102 has the ability to select the on-off circuit. In order to realize this ability, a gate circuit chip is often required to be added to the circuit, that is, the on-off circuit can be controlled by the control signal. Power electronic devices such as gate turn-off thyristors, power field effect transistors, insulated gate bipolar transistors, etc. When the device is turned on, the instantaneous excessive current or current rise rate will burn the device; when the device is disconnected from the circuit, the instantaneous excessive voltage or voltage rise rate may cause excessive junction capacitance current to flow inside the device and cause errors. In order to avoid the above problems, asignal conversion module 201 is added before thepower selection circuit 102 in this embodiment of the present application.

所述信号转换模块201的输入输出特性为：The input and output characteristics of thesignal conversion module 201 are:

输入是高电平时，输出是高电平；输入是低电平时，输出是低电平。When the input is high, the output is high; when the input is low, the output is low.

可见，信号转换模块只起到保护电路的作用，并不改变电路信号的电平高低，不会影响到电源选择电路102的选择通断电路的能力。It can be seen that the signal conversion module only plays the role of protecting the circuit, does not change the level of the circuit signal, and does not affect the ability of thepower selection circuit 102 to select the on-off circuit.

本申请实施例通过在所述自动切换服务器板卡供电的设备中增加信号转换模块以限制电源选择电路在导通和隔断电路时引起瞬时的电压与电流的变化，进而将电源选择电路的运行损耗转移到信号转换模块中，实现对电源选择电路的保护。In the embodiment of the present application, a signal conversion module is added to the device for automatically switching the power supply of the server board to limit the instantaneous voltage and current changes caused by the power selection circuit when turning on and off the circuit, thereby reducing the operating loss of the power selection circuit. It is transferred to the signal conversion module to realize the protection of the power selection circuit.

实施例三：Embodiment three:

基于实施例二中介绍的自动切换服务器板卡供电的设备，下面结合附图具体说明电源选择电路的工作原理。Based on the device for automatically switching the power supply of the server board card introduced in the second embodiment, the working principle of the power supply selection circuit will be described in detail below with reference to the accompanying drawings.

参见图3，该图为本申请实施例三提供的一种自动切换服务器板卡供电的设备的工作原理示意图。Referring to FIG. 3 , this figure is a schematic diagram of the working principle of a device for automatically switching the power supply of a server board card according to Embodiment 3 of the present application.

所述设备的电源选择电路包括：NMOS管和PMOS管。所述设备还包括：电阻R。The power selection circuit of the device includes: an NMOS transistor and a PMOS transistor. The device also includes: a resistor R.

NMOS管和PMOS管的连接方式如下：The connection method of NMOS tube and PMOS tube is as follows:

NMOS管的栅极和PMOS的栅极均连接所述信号转换模块201输出的有效电平信号；The gate of the NMOS tube and the gate of the PMOS are both connected to the effective level signal output by thesignal conversion module 201;

NMOS管的漏极连接所述Core供电信号；The drain of the NMOS tube is connected to the Core power supply signal;

PMOS管的漏极连接所述Aux供电信号；The drain of the PMOS tube is connected to the Aux power supply signal;

所述NMOS管和PMOS管的源极连接在一起。The sources of the NMOS transistor and the PMOS transistor are connected together.

其中NMOS管的栅极是高电平打开，PMOS管的栅极是低电平打开。The gate of the NMOS tube is turned on at a high level, and the gate of the PMOS tube is turned on at a low level.

信号转换模块201的输入输出特性为：The input and output characteristics of thesignal conversion module 201 are:

输入是高电平时，输出是高电平；输入是低电平时，输出是低电平。When the input is high, the output is high; when the input is low, the output is low.

电阻R的第一端连接NMOS管和PMOS管的栅极，电阻R的第二端接地。The first end of the resistor R is connected to the gates of the NMOS transistor and the PMOS transistor, and the second end of the resistor R is grounded.

下面具体说明电源选择电路的工作原理：The working principle of the power selection circuit is described in detail below:

在系统未开机时，所述服务器主板的开机信号为无效信号，不能使能电源控制电路101，所以此时电源控制电路101不进行信号的转换，电源控制电路101输出无效的控制信号，该无效的控制信号为低电平，信号转换模块201接收该无效的控制信号后输出无效电平信号给电源选择电路102，该无效电平信号也为低电平，此时NMOS管的栅极关闭，PMOS管的栅极打开，PMOS管导通，所述服务器供电板的Aux供电信号从PMOS管的漏极输入，源极输出，即此时的输出板卡供电信号为服务器供电板的Aux供电信号。When the system is not powered on, the power-on signal of the server motherboard is an invalid signal, and thepower control circuit 101 cannot be enabled. Therefore, at this time, thepower control circuit 101 does not perform signal conversion, and thepower control circuit 101 outputs an invalid control signal, which is invalid. The control signal is low level, thesignal conversion module 201 outputs the invalid level signal to thepower selection circuit 102 after receiving the invalid control signal, the invalid level signal is also low level, at this time the gate of the NMOS transistor is turned off, The gate of the PMOS tube is turned on, the PMOS tube is turned on, the Aux power supply signal of the server power supply board is input from the drain of the PMOS tube, and the source is output, that is, the power supply signal of the output board at this time is the Aux power supply signal of the server power supply board .

当系统已经开机，所述服务器主板的开机信号为有效信号，使能电源控制电路101进行信号转换，电源控制电路101将所述Aux供电信号转换为主板需要的Core供电信号并将所述Core供电信号输出向NMOS管的漏极，同时向信号转换模块201输出有效的控制信号，此时所述有效的控制信号为高电平，信号转换模块201接收该有效的控制信号后输出有效电平信号给电源选择电路102，该有效电平信号也为高电平。PMOS管在接收到该高电平信号时栅极关闭，进而阻断所述服务器供电板的Aux供电信号的输出，而NMOS管在接收到该高电平信号时栅极打开，所述Core供电信号可以从NMOS管的漏极输入，源极输出，即此时的输出板卡供电信号为所述主板需要的Core供电信号。When the system has been powered on, the power-on signal of the server motherboard is a valid signal, and thepower control circuit 101 is enabled to perform signal conversion. Thepower control circuit 101 converts the Aux power supply signal into the Core power supply signal required by the motherboard and supplies power to the Core The signal is output to the drain of the NMOS transistor, and at the same time, a valid control signal is output to thesignal conversion module 201. At this time, the valid control signal is at a high level, and thesignal conversion module 201 outputs the valid level signal after receiving the valid control signal. For thepower selection circuit 102, the active level signal is also high. When the PMOS tube receives the high-level signal, the gate is turned off, thereby blocking the output of the Aux power supply signal of the server power supply board, while the gate of the NMOS tube is turned on when the high-level signal is received, and the Core supplies power. The signal can be input from the drain of the NMOS tube and output from the source, that is, the power supply signal of the output board card at this time is the core power supply signal required by the motherboard.

本申请实施例提供的自动切换服务器板卡供电的设备，在获得系统开关机状态后，后续可以自动进行信号转换并且自动切换两种供电方式，利用本申请实施例提供的设备，可以减少供电控制切换的时间，更加快速响应系统开关机的转换。The device for automatically switching the power supply of the server board provided by the embodiment of the present application can automatically perform signal conversion and automatically switch between two power supply modes after the system power-on state is obtained. By using the device provided by the embodiment of the present application, the power supply control can be reduced. Switching time, more rapid response to system switching.

实施例四：Embodiment 4:

基于上述实施例提供的自动切换服务器板卡供电的设备，本申请实施例还提供了一种自动切换服务器板卡供电的方法，下面结合附图进行说明。Based on the device for automatically switching the power supply of the server board provided by the above embodiments, the embodiment of the present application also provides a method for automatically switching the power supply of the server board, which will be described below with reference to the accompanying drawings.

参见图4，该图为本申请实施例四提供的一种自动切换服务器板卡供电的方法的流程图。Referring to FIG. 4 , which is a flowchart of a method for automatically switching power supply of a server board according to Embodiment 4 of the present application.

所述方法包括如下步骤：The method includes the following steps:

S401：接收服务器主板的开机信号和服务器供电板的Aux供电信号。S401: Receive a power-on signal of the server mainboard and an Aux power supply signal of the server power supply board.

S402：判断所述开机信号是否有效。若其有效，执行S403，否则执行S405。S402: Determine whether the power-on signal is valid. If it is valid, go to S403, otherwise go to S405.

S403：将所述Aux供电信号转换为主板需要的Core供电信号，并输出控制信号。S403: Convert the Aux power supply signal into a Core power supply signal required by the motherboard, and output a control signal.

其中，主板需要的Core供电信号为3.3V。Among them, the Core power supply signal required by the motherboard is 3.3V.

S404：根据所述控制信号选择所述Core供电信号输出。S404: Select the Core power supply signal to output according to the control signal.

具体的，将所述控制信号作为使能信号，在所述使能信号有效时，输出有效电平信号，根据所述有效电平信号选择所述Core供电信号输出。Specifically, the control signal is used as an enable signal, and when the enable signal is valid, a valid level signal is output, and the Core power supply signal is selected for output according to the valid level signal.

S405：输出所述Aux供电信号。S405: Output the Aux power supply signal.

本申请实施例提供的自动切换服务器板卡供电的方法，当服务器主板开机时，将所述Aux供电信号转换为主板需要的Core供电信号，并输出控制信号，根据所述控制信号选择所述Core供电信号输出。在服务器主板未开机时，不进行信号的转换，输出所述Aux供电信号为主板。利用本发明提供的自动切换服务器板卡供电的方法，能够自动侦测开关机状态，减少供电切换时间，提高供电切换速度。In the method for automatically switching the power supply of the server board provided by the embodiment of the present application, when the server main board is powered on, the Aux power supply signal is converted into the Core power supply signal required by the main board, and a control signal is output, and the Core is selected according to the control signal. Power supply signal output. When the server mainboard is not powered on, no signal conversion is performed, and the Aux power supply signal is output to the mainboard. By using the method for automatically switching the power supply of the server board card provided by the present invention, the power supply switching state can be automatically detected, the power supply switching time is reduced, and the power supply switching speed is improved.

实施例五：Embodiment 5:

基于上述实施例提供的自动切换服务器板卡供电的设备，本申请实施例还提供了一种自动切换服务器板卡供电的系统，下面结合附图进行说明。Based on the device for automatically switching the power supply of the server board provided by the above embodiments, the embodiment of the present application also provides a system for automatically switching the power supply of the server board, which will be described below with reference to the accompanying drawings.

参见图5，该图为本申请实施例五提供的一种自动切换服务器板卡供电的系统的结构图。Referring to FIG. 5 , this figure is a structural diagram of a system for automatically switching the power supply of a server board card according to Embodiment 5 of the present application.

所述自动切换服务器板卡供电的系统500包括：电源控制电路101，电源选择电路102和信号转换模块201。Thesystem 500 for automatically switching the power supply of the server board includes: apower control circuit 101 , apower selection circuit 102 and asignal conversion module 201 .

电源控制电路101，用于接收服务器主板的开机信号和服务器供电板的Aux供电信号；还用于当所述服务器主板的开机信号有效时，将所述Aux供电信号转换为主板需要的Core供电信号，并输出控制信号给电源选择电路102。The powersupply control circuit 101 is used to receive the power-on signal of the server mainboard and the Aux power supply signal of the server power supply board; it is also used to convert the Aux power supply signal into the Core power supply signal required by the mainboard when the power-on signal of the server mainboard is valid , and output a control signal to thepower selection circuit 102 .

信号转换模块201，用于在所述使能信号有效时，输出有效电平信号给所述电源选择电路，以使所述电源选择电路输出所述Core供电信号。Thesignal conversion module 201 is configured to output a valid level signal to the power supply selection circuit when the enable signal is valid, so that the power supply selection circuit outputs the Core power supply signal.

电源选择电路102，用于根据所述控制信号选择所述Core供电信号输出；反之输出所述Aux供电信号。Thepower selection circuit 102 is configured to select the Core power supply signal to output according to the control signal; otherwise, output the Aux power supply signal.

本申请实施例提供的自动切换服务器板卡供电的系统，当服务器开机时，所述开机信号作为电源控制电路的使能信号，使能电源控制电路将Aux供电信号转换为主板需要的Core供电信号，并输出控制信号给电源选择电路，电源选择电路根据所述控制信号选择所述Core供电信号输出；若服务器未开机，电源控制电路不进行信号的转换，此时电源选择电路输出所述Aux供电信号。再增加信号转换模块以限制电源选择电路导通和隔断电路时引起瞬时的电压与电流的变化，进而将电源选择电路的运行损耗转移到信号转换模块中，实现对电源选择电路的保护。利用本发明提供的系统，能够实现自动侦测开关机状态，减少供电切换时间，提高供电切换速度。In the system for automatically switching the power supply of the server board provided by the embodiment of the present application, when the server is powered on, the power-on signal is used as the enable signal of the power supply control circuit, which enables the power supply control circuit to convert the Aux power supply signal into the Core power supply signal required by the motherboard , and output the control signal to the power supply selection circuit, the power supply selection circuit selects the Core power supply signal to output according to the control signal; if the server is not powered on, the power supply control circuit does not convert the signal, and the power supply selection circuit outputs the Aux power supply at this time. Signal. A signal conversion module is added to limit the instantaneous voltage and current changes caused when the power selection circuit is turned on and off, and the operating loss of the power selection circuit is transferred to the signal conversion module to protect the power selection circuit. Using the system provided by the present invention can realize the automatic detection of the on-off state, reduce the power supply switching time, and improve the power supply switching speed.

上述实施例中，对于各个实施例的描写都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。In the above-mentioned embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

应当理解，在本申请中，“至少一个(项)”是指一个或者多个，“多个”是指两个或两个以上。“和/或”，用于描述关联对象的关联关系，表示可以存在三种关系，例如，“A和/或B”可以表示：只存在A，只存在B以及同时存在A和B三种情况，其中A，B可以是单数或者复数。字符“/”一般表示前后关联对象是一种“或”的关系。“以下至少一项(个)”或其类似表达，是指这些项中的任意组合，包括单项(个)或复数项(个)的任意组合。例如，a，b或c中的至少一项(个)，可以表示：a，b，c，“a和b”，“a和c”，“b和c”，或“a和b和c”，其中a，b，c可以是单个，也可以是多个。It should be understood that, in this application, "at least one (item)" refers to one or more, and "a plurality" refers to two or more. "And/or" is used to describe the relationship between related objects, indicating that there can be three kinds of relationships, for example, "A and/or B" can mean: only A, only B, and both A and B exist , where A and B can be singular or plural. The character "/" generally indicates that the related objects are an "or" relationship. "At least one item(s) below" or similar expressions thereof refer to any combination of these items, including any combination of single item(s) or plural items(s). For example, at least one (a) of a, b or c, can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c" ", where a, b, c can be single or multiple.

以上所述，仅是本发明的较佳实施例而已，并非对本发明作任何形式上的限制。虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明。任何熟悉本领域的技术人员，在不脱离本发明技术方案范围情况下，都可利用上述揭示的方法和技术内容对本发明技术方案做出许多可能的变动和修饰，或修改为等同变化的等效实施例。因此，凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所做的任何简单修改、等同变化及修饰，均仍属于本发明技术方案保护的范围内。The above descriptions are only preferred embodiments of the present invention, and do not limit the present invention in any form. Although the present invention has been disclosed above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, can make many possible changes and modifications to the technical solution of the present invention by using the methods and technical contents disclosed above, or modify them into equivalents of equivalent changes. Example. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solutions of the present invention still fall within the protection scope of the technical solutions of the present invention.

Claims (7)

1. The utility model provides an automatic equipment of switching server integrated circuit board power supply which characterized in that includes:

the power supply control circuit is used for receiving a starting signal of the server mainboard and an Aux power supply signal of the server power supply board; the Aux power supply signal is converted into a Core power supply signal required by the mainboard when the starting signal of the server mainboard is effective, and a control signal is output to the power supply selection circuit;

the input end of the signal conversion module is connected with the enabling signal output by the power control circuit; the signal conversion module is used for outputting an active level signal to the power selection circuit when the enable signal is active so that the power selection circuit outputs the Core power supply signal; the input and output characteristics of the signal conversion module are as follows: when the input is high level, the output is high level; when the input is low level, the output is low level;

the power supply selection circuit is used for selecting the Core power supply signal to be output according to the control signal; otherwise, the Aux power supply signal is output.

2. The device for automatically switching power to a server board card of claim 1, wherein the power selection circuit comprises: an NMOS tube and a PMOS tube;

the grid electrode of the NMOS tube and the grid electrode of the PMOS tube are both connected with the effective level signal output by the signal conversion module;

the drain electrode of the NMOS tube is connected with the Core power supply signal;

the drain electrode of the PMOS tube is connected with the Aux power supply signal;

and the source electrodes of the NMOS tube and the PMOS tube are connected together.

3. The device for automatically switching power supply to a server board card according to claim 2, further comprising: a resistance;

the first end of the resistor is connected with the grid electrodes of the NMOS tube and the PMOS tube, and the second end of the resistor is grounded.

4. The device of claim 1, wherein the Core power signal is 3.3V.

5. A method for automatically switching power supply of a server board card, which is applied to the device of any one of claims 1 to 4, the method comprising:

receiving a starting signal of a server mainboard and an Aux power supply signal of a server power supply board; when the starting signal of the server mainboard is effective, converting the Aux power supply signal into a Core power supply signal required by the mainboard and outputting a control signal;

selecting the Core power supply signal to be output according to the control signal; otherwise, outputting the Aux power supply signal;

the selecting the Core power supply signal output according to the control signal specifically includes:

taking the control signal as an enabling signal; when the enable signal is effective, outputting an effective level signal, and selecting the Core power supply signal to be output according to the effective level signal; wherein, when the input is high level, the output is high level; when the input is low, the output is low.

6. The method of claim 5, wherein the Core power signal required by the motherboard is 3.3V.

7. A system for automatically switching power to a server board, the system comprising the apparatus of any one of claims 1 to 4.

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