WO2021159651A1 - 一种服务器集中供电的控制装置 - Google Patents

一种服务器集中供电的控制装置 Download PDF

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Publication number
WO2021159651A1
WO2021159651A1 PCT/CN2020/098378 CN2020098378W WO2021159651A1 WO 2021159651 A1 WO2021159651 A1 WO 2021159651A1 CN 2020098378 W CN2020098378 W CN 2020098378W WO 2021159651 A1 WO2021159651 A1 WO 2021159651A1
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Prior art keywords
signal
power supply
field effect
server
detection module
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PCT/CN2020/098378
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English (en)
French (fr)
Inventor
张松涛
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苏州浪潮智能科技有限公司
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Priority to US17/789,911 priority Critical patent/US20230072564A1/en
Publication of WO2021159651A1 publication Critical patent/WO2021159651A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/263—Arrangements for using multiple switchable power supplies, e.g. battery and AC
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G06F13/4081—Live connection to bus, e.g. hot-plugging
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the present invention relates to the technical field of server power supply, in particular to a control device for centralized power supply of a server.
  • FIG. 1 shows a centralized power supply circuit for servers in the prior art.
  • the centralized power supply 101 of the cabinet provides a voltage of 12V.
  • the hot-swappable control module 103 at the front end of the server main board controls the 12V power supply to slowly input the main board power supply 104 to ensure that no large surge current occurs, and then the main board power supply 104 supplies power to the entire main board.
  • the hot-swappable control module 103 of the server immediately starts to be powered on. At this time, the contact is insufficient due to insufficient contact. The impedance is large, and heating is prone to occur, causing damage to the server components and cabinet components, and there are also certain safety hazards.
  • the purpose of the present invention is to provide a control device for centralized power supply of a server, which is used to reduce the damage to components during the power-on process of the server, and to ensure the safe power-on of the server during hot plugging.
  • the present invention provides a server centralized power supply control device, including a depth detection module and a signal transmission circuit of a centralized power supply board arranged in a cabinet;
  • the signal output end of the depth detection module, the power output end of the centralized power supply board, and the first end of the signal transmission circuit are connected, and the second end of the signal transmission circuit is hot-swappable with the main board of the server
  • the enable terminal of the control module is connected;
  • the depth detection module is used to output a first status signal to make the signal transmission circuit output a non-enable signal when the power supply fixture of the server is not fully connected to the power output terminal, so as to avoid the hot plug
  • the control module starts;
  • the depth detection module is also used to output a second state signal to enable the signal transmission circuit to output an enable signal when the power clamp is fully connected to the power output terminal, so that the hot plug control module is activated .
  • the depth detection module includes a travel switch provided at the output end of the power supply;
  • the travel switch is in a closed state when the power supply clamp is not fully connected to the power output terminal, and the depth detection module outputs a low level; the travel switch is fully connected to the power output terminal when the power supply clamp is When it is in the disconnected state, the depth detection module outputs a high level.
  • it further includes a controller provided on the main board;
  • the signal transmission circuit includes an isolation resistor and a first field effect tube
  • the power input end of the controller is connected to the power output end of the hot plug control module
  • the signal receiving end of the controller is connected to the signal output end of the depth detection module
  • the signal of the controller is connected to the signal output end of the depth detection module.
  • the output terminal is connected to the gate of the first field effect tube
  • the first terminal of the isolation resistor is connected to the signal output terminal of the depth detection module
  • the second terminal of the isolation resistor is connected to the first field effect transistor.
  • the drain of the tube is connected to the enable end of the hot plug control module, and the source of the first field effect tube is grounded;
  • the controller is configured to output a high level to turn on the first field effect tube when receiving the second state signal, and send the first field effect tube to the enable end of the hot plug control module through the first field effect tube Output enable signal;
  • the controller is also configured to control the main board to execute a shutdown sequence when the output signal of the depth detection module changes from the second state signal to the first state signal, and after the shutdown sequence is executed Outputting a low level turns off the first field effect transistor, so that the hot plug control module is turned off under the control of the first state signal.
  • the controller is specifically a CPLD.
  • the signal transmission circuit further includes a first voltage dividing resistor and a second voltage dividing resistor;
  • the first end of the first voltage divider resistor is connected to the power output end, the second end of the first voltage divider resistor, the first end of the second voltage divider resistor and the controller
  • the signal receiving end is connected to the first end of the isolation resistor, and the second end of the second voltage dividing resistor is grounded.
  • the signal transmission circuit further includes a second field effect tube and a third field effect tube;
  • the gate of the second field effect tube is connected to the signal output terminal of the depth detection module, the drain of the second field effect tube is connected to the power output terminal, and the second field effect tube is connected to the output terminal of the power supply.
  • the source is grounded, the gate of the third field effect transistor is connected to the second end of the isolation resistor, and the drain of the third field effect transistor is connected to the enable end of the hot plug control module, so The source of the third field effect tube is grounded.
  • the first state signal is low level, and the second state signal is high level;
  • the first field effect tube, the second field effect tube, and the third field effect tube are all inverters.
  • the signal transmission circuit further includes a third voltage divider resistor provided between the power output terminal and the drain of the second field effect transistor.
  • the signal transmission circuit further includes a fourth voltage dividing resistor and a fifth voltage dividing resistor;
  • the first end of the fourth voltage divider resistor is connected to the power output end, the second end of the fourth voltage divider resistor, the first end of the fifth voltage divider resistor and the isolation switch The second end is connected to the enable end of the hot plug control module, and the second end of the fifth voltage divider is grounded.
  • it further includes a sixth voltage divider resistor provided between the power output terminal and the power supply terminal of the depth detection module.
  • the server centralized power supply control device includes a depth detection module and a signal transmission circuit of a centralized power supply board arranged in a cabinet; wherein, the signal output end of the depth detection module, the power output end of the centralized power supply board, and the signal transmission circuit The first end of the signal transmission circuit is connected, and the second end of the signal transmission circuit is connected to the enable end of the hot-swappable control module of the main board of the server; the depth detection module outputs the first state when the power supply fixture of the server is not fully connected to the power output end The signal is used to make the signal transmission circuit output a non-enable signal to avoid the hot-swappable control module from starting; the depth detection module outputs the second state signal to make the signal transmission circuit output the enable signal when the power fixture is fully connected to the power output terminal, To start the hot-plug control module.
  • the hot-swappable control module can not be powered on when the power clamp of the server does not completely touch the power output terminal of the centralized power supply board. Only after the power clamp and the power output terminal are fully contacted can the power be turned on, thereby reducing the damage to the components of the server during the power-on process, and ensuring that the server can be safely powered on during hot plugging.
  • Figure 1 is a centralized power supply circuit for servers in the prior art
  • FIG. 2 is a schematic structural diagram of a control device for centralized power supply of a server according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of another control device for centralized power supply of a server according to an embodiment of the present invention.
  • the core of the present invention is to provide a server centralized power supply control device, which is used to reduce the damage to the components during the server power-on process, and to ensure the safe power-on of the server during hot plugging.
  • FIG. 2 is a schematic structural diagram of a control device for centralized power supply of a server according to an embodiment of the present invention.
  • the server centralized power supply control device includes a depth detection module J1 and a signal transmission circuit 201 of a centralized power supply board provided in a cabinet;
  • the signal output end of the depth detection module J1 the power output end of the centralized power supply board, and the first end of the signal transmission circuit 201 are connected, and the second end of the signal transmission circuit 201 is connected to the hot plug control module 202 of the main board of the server.
  • Energy end connection
  • the depth detection module J1 is used to output the first state signal to make the signal transmission circuit 201 output a non-enable signal when the power supply fixture of the server is not fully connected to the power output terminal, so as to prevent the hot plug control module 202 from starting;
  • the depth detection module J1 is also used for outputting a second state signal to enable the signal transmission circuit 201 to output an enable signal when the power supply fixture is fully connected to the power output terminal, so that the hot plug control module 202 is activated.
  • a depth detection module J1 is installed on the centralized power supply board of the cabinet to detect the contact distance between the power supply fixture of the server and the power output end of the centralized power supply board to determine whether the power supply fixture is fully connected to the power output end.
  • the signal transmission circuit 201 can be arranged on the main board of the server and connected to the front end of the hot plug control module 202.
  • the depth detection module J1 outputs different status signals to make the signal transmission circuit 201 output high and low levels to control the hot plug control module.
  • 202 is activated or not. In practical applications, the enable signal of the hot plug control module 202 may be at a high level, and correspondingly, the non-enable signal is at a low level.
  • the depth detection module J1 can realize the depth detection function through the external limit switch of the centralized power supply board. Based on this, the depth detection module J1 includes a travel switch set at the output end of the power supply;
  • the travel switch is closed when the power clamp is not fully connected to the power output terminal, and the depth detection module J1 outputs low level; the travel switch is in an open state when the power clamp is fully connected to the power output terminal, and the depth detection module J1 outputs high power flat.
  • the control device for server centralized power supply provided in the example further includes a sixth voltage divider resistor R1 arranged between the power output terminal and the power supply terminal of the depth detection module J1.
  • the sixth voltage divider resistor R1 can be a resistor of 4.7K ⁇ .
  • the control device for server centralized power supply includes a depth detection module and a signal transmission circuit of a centralized power supply board arranged in a cabinet; wherein, the signal output end of the depth detection module, the power output end of the centralized power supply board, and the signal transmission The first end of the circuit is connected, and the second end of the signal transmission circuit is connected to the enable end of the hot-swappable control module of the server's motherboard; the depth detection module outputs the first output when the server's power fixture is not fully connected to the power output end
  • the status signal is used to make the signal transmission circuit output a non-enable signal to prevent the hot plug control module from starting; the depth detection module outputs the second status signal to make the signal transmission circuit output the enable signal when the power supply fixture is fully connected to the power output terminal To start the hot-plug control module.
  • the hot-swappable control module can not be powered on when the power clamp of the server does not completely touch the power output terminal of the centralized power supply board. Only after the power clamp and the power output terminal are fully contacted can the power be turned on, thereby reducing the damage to the components of the server during the power-on process, and ensuring that the server can be safely powered on during hot plugging.
  • FIG. 3 is a schematic structural diagram of another control device for centralized power supply of a server according to an embodiment of the present invention.
  • the above embodiment provides the control device for centralized power supply of the server, which can prevent the hot-swappable control module 202 from being activated when the power clamp of the server and the power output end of the centralized power supply board are not completely released when the server is powered on.
  • the depth detection module J1 outputs the first state signal, and the hot plug control module 202 is turned off. There may still be a sudden power failure of the server motherboard.
  • the embodiment of the present invention adds a priority control mechanism based on the above-mentioned embodiment, through the control mechanism, during the power-off process of the server, the main board of the server is first shut down and then powered off.
  • This control mechanism requires a controller to implement.
  • the controller is not powered on, the hot-swap control module 202 is controlled by the output signal of the depth detection module J1, and after the controller is powered on, the controller controls Hot plug control module 202.
  • the output signal of the deep inspection module J1 enables the controller to start and takes over the control of the hot plug control module 202; when the server is powered off, the output signal of the deep inspection module J1 informs the controller that the server is about to Power off, the controller controls the server motherboard to complete the shutdown sequence before powering off, and returns the control right to the output signal of the deep inspection module J1 to complete the entire power-off process.
  • the server centralized power supply control device provided by the embodiment of the present invention further includes a controller provided on the main board;
  • the signal transmission circuit 201 includes an isolation resistor R5 and a first field effect transistor Q2;
  • the power input end of the controller is connected to the power output end of the hot plug control module 202
  • the signal receiving end of the controller is connected to the signal output end of the depth detection module J1
  • the signal output end of the controller is connected to the first field effect tube
  • the gate of Q2 is connected
  • the first end of the isolation resistor R5 is connected to the signal output end of the depth detection module J1
  • the second end of the isolation resistor R5 the drain of the first field effect transistor Q2 and the hot plug control module 202 are connected.
  • the energy end is connected, and the source of the first field effect transistor Q2 is grounded;
  • the controller is configured to output a high level to turn on the first field effect tube Q2 when receiving the second state signal, and output an enable signal to the enable terminal of the hot plug control module 202 through the first field effect tube Q2;
  • the controller is also used to control the main board to execute the shutdown sequence when the output signal of the depth detection module J1 changes from the second state signal to the first state signal, and output a low level to enable the first field effect transistor Q2 after the shutdown sequence is executed. Turn off, so that the hot plug control module 202 is turned off under the control of the first state signal.
  • the controller can be the original controller on the server motherboard, or another controller can be set.
  • a better implementation is to use the CPLD on the server motherboard.
  • the isolation resistor R5 functions to isolate the output signal of the depth detection module J1 after the controller is powered on, so a resistor with a larger resistance should be selected.
  • the hot plug control module 202 starts after receiving the second status signal output by the depth detection module J1, the server main board is powered on, and the CPLD is powered on.
  • the signal receiving end of the CPLD receives the second state signal, it outputs a high level to turn on the first FET Q2.
  • the isolation resistor R5 the output signal of the depth detection module J1 is isolated from the hot plug
  • the influence of the control module 202 is to transmit a high-level signal to the hot plug control module 202 to activate the hot plug control module 202.
  • the CPLD When the server is powered off, when the CPLD receives the first status signal output by the depth detection module J1, it controls the motherboard to execute the shutdown sequence, and then outputs a low level to turn off the first FET Q2, and the hot swap control module 202 is in Closed under the control of the first status signal, the server main board is powered off, and the CPLD is powered off.
  • a voltage divider circuit is set between the signal output terminal of the detection module J1 and the signal receiving terminal of the CPLD.
  • the voltage divider circuit can be arranged at the signal output end of the depth detection module J1 on the centralized power supply board, so that the depth detection module J1 can directly output an effective signal that conforms to the pre-appointed CPLD.
  • the power supply mode of the server mainly includes centralized power supply mode and PSU power supply mode.
  • the centralized power supply mode is to make the PSU power supply into a centralized power supply, which provides 12V voltage externally, which can power multiple servers; PSU power supply mode
  • the PSU power supply is directly installed on the server.
  • the PSU power supplies currently in use are mainly the PSU power supply of the M5 platform and the PSU power supply of the M6 platform.
  • the PSU power supply of the M6 platform is more common, but a small number of PSU power supplies of the M5 platform are also used.
  • the PSU power supply of the M6 platform has an idle pin B21, in order to facilitate the realization of the scheme, this pin is used as the pin for outputting the output signal of the depth detection module J1.
  • the B21 pin corresponding to the PSU power supply of the M5 platform is a 12V power supply.
  • the 12V power supply will be directly connected to the CPLD, causing the CPLD to burn.
  • the output signal of the depth detection module J1 needs to be adjusted to a voltage level of 12V, and the signal entering the CPLD is stepped down to obtain a voltage of about 3.3V.
  • the signal transmission circuit 201 further includes a first voltage dividing resistor R3 and a second voltage dividing resistor R4;
  • the first end of the first voltage dividing resistor R3 is connected to the output end of the power supply, the second end of the first voltage dividing resistor R3, the first end of the second voltage dividing resistor R4 and the signal receiving end of the controller CPLD and the isolation resistor
  • the first end of R5 is connected, and the second end of the second voltage dividing resistor R4 is grounded.
  • the first voltage dividing resistor R3 can be a 100K ⁇ resistor
  • the second voltage dividing resistor R4 can be a 41.2K ⁇ resistor.
  • the isolation resistor R5 may adopt a 365K ⁇ resistor.
  • the signal transmission circuit 201 further includes a second field effect tube Q1 and a third field effect tube Q3;
  • the gate of the second field effect transistor Q1 is connected to the signal output end of the depth detection module J1, the drain of the second field effect transistor Q1 is connected to the power output end, the source of the second field effect transistor Q1 is grounded, and the third The gate of the field effect transistor Q3 is connected to the second end of the isolation resistor R5, the drain of the third field effect transistor Q3 is connected to the enable end of the hot plug control module 202, and the source of the third field effect transistor Q3 is grounded.
  • the signal transmission circuit 201 further includes a third voltage dividing resistor R2 provided between the output terminal of the power supply and the drain of the second field effect transistor Q1.
  • the third voltage divider resistor R2 can be a 10K ⁇ resistor.
  • the output signal of the depth detection module J1 needs to be adjusted to a voltage level of 12V, and the signal entering the CPLD is stepped down to obtain 3.3V
  • the server uses PSU power supply instead of centralized power supply, because the PSU power supply is directly connected to the server, there is no need to use the CPLD to perform the shutdown operation in the power-off process again.
  • a preferred implementation is to use the control signal of the CPLD to be active at low level, that is, to set the first state signal to low Level, set the second state signal to a high level;
  • the enable signal of the hot plug control module 202 is usually at a high level, and the conduction of the field effect tube also requires a high level, the first field effect tube Q2, the second field effect tube Q1, and the third field effect tube
  • the FET Q3 adopts inverters, and the inverter of model NX7002AK can be used specifically.
  • the signal transmission circuit 201 further includes a fourth voltage dividing resistor R6 and a fifth voltage dividing resistor R7;
  • the first end of the fourth voltage divider R6 is connected to the output end of the power supply
  • the second end of the fourth voltage divider R6, the first end of the fifth voltage divider R7 and the second end of the isolating switch are connected to each other and hot plug
  • the enable terminal of the control module 202 is connected
  • the second terminal of the fifth voltage dividing resistor R7 is grounded.
  • the fourth voltage dividing resistor R6 can be a 41.2K ⁇ resistor
  • the fifth voltage dividing resistor R7 can be a 10K ⁇ resistor.
  • the power clamp of the server is completely non-contact with the power output of the centralized power supply board at this time, the stroke switch in the depth detection module J1 is closed, the P12V input power connected to the server motherboard is 0V, and the entire server motherboard is off. The electricity is not working.
  • the power clamp contacts the power output but not completely, the limit switch in the depth detection module J1 is still closed, and the two dashed boxes shown in Figure 3 are partially connected and connected to the 12V of the server motherboard
  • the input power supply starts to be powered on.
  • the control signal CONTROL_11 is high
  • the control signal CONTROL_12 is high
  • the control signal CONTROL_4 is high
  • the control signal CONTROL_3 is low.
  • the hot plug control module 202 receives the non-enable signal and does not start.
  • the CPLD is preset to be active low, so it does not start working under the action of the control signal CONTROL_12, and the control signal CONTROL_2 is low.
  • the travel switch in the depth detection module J1 is disconnected and outputs a high level.
  • the control signal CONTROL_11 outputs a low level, and then the control signal CONTROL_4 is at low level.
  • the control signal CONTROL_3 is at high level, which enables the hot-swappable control module 202 to start, and then powers on the server main board, and the CPLD starts to work.
  • the control signal CONTROL_12 is consistent with the control signal CONTROL_11 at low level, CPLD recognizes the active low signal, and the output control signal CONTROL_2 is at high level to turn on the inverter Q2.
  • the control signal CONTROL_4 After the control signal CONTROL_2 passes through the inverter Q2, CONTROL_4 is at a level. After passing the inverter Q3, the control signal CONTROL_3 is still at a high level, and the hot-swappable control module 202 remains open.
  • the server mainboard is successfully powered on.
  • the limit switch in the depth detection module J1 is closed again and outputs a low level.
  • the control signal CONTROL_11 outputs a high level
  • the control signal CONTROL_12 Consistent with the control signal CONTROL_11, it is a high level, and the CPLD receiving signal changes from a low level to a high level, and then the shutdown sequence of the server main board is executed to shut down other components on the server main board.
  • the control signal CONTROL_2 output by the CPLD is still at a high level, and the hot plug control module 202 remains in the on state.
  • the output control signal CONTROL_2 turns to low level, the inverter Q2 is turned off, and then the control signal CONTROL_4 turns to high level under the action of the control signal CONTROL_11, after passing the inverter Q3 ,
  • the control signal CONTROL_3 is low, the hot plug control module 202 is turned off, the server main board is powered off, and the CPLD is powered off.
  • the power clamp is completely separated from the power output terminal, the limit switch in the depth detection module J1 is still closed, the P12V power supply connected to the server mainboard becomes 0V, and the entire server mainboard is in a power-off state.
  • the server centralized power supply control device detects the contact state of the server's power clamp and the power output end of the centralized power supply board through the depth detection module J1, ensuring that the server motherboard is fully inserted into the cabinet in the server Then power on, and then through the inverter Q2 after the controller works to achieve the priority control of the control signal CONTROL_3, to ensure that the server is powered off after the shutdown is completed, and solves the problem of the server's power-on process and power-off process in the centralized power supply mode of the server.
  • the heat and loss of components and centralized power supply board components increase the service life of server components and centralized power supply board components.
  • the 12V voltage is adopted for the communication signal between the centralized power supply board and the server main board, which is compatible with the PSU power supply of the M5 platform.
  • the server centralized power supply control device provided by the embodiment of the present invention can be compatible with the PSU power supply in the PSU power supply mode.
  • the foregoing pairing can be achieved directly through a control signal.
  • the control of the server's power-on and power-off process, and because there is no need to perform the shutdown sequence in the PSU power supply mode, the controller will not misidentify the PSU power supply under the M5 platform as a centralized power supply board.
  • the setting of the voltage divider resistor and the isolation resistor R5 can ensure that a reasonable power supply voltage is provided for each component in the circuit, which is convenient for the practical application of the scheme.

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Abstract

一种服务器集中供电的控制装置，包括设于机柜的集中供电板的深度检测模块以及信号传输电路，深度检测模块在服务器的电源夹具未完全接入电源输出端时，输出第一状态信号以使信号传输电路输出非使能信号，以避免热插拔控制模块启动；深度检测模块在电源夹具完全接入电源输出端时，输出第二状态信号以使信号传输电路输出使能信号，以使热插拔控制模块启动，从而可以使热插拔控制模块在服务器的电源夹具未完全接触集中供电板的电源输出端时无法上电，而只有在电源夹具和电源输出端完全接触后才能上电，从而实现了减少了服务器上电过程对部件的损伤，保证了热插拔时服务器能够安全的上电。

Description

一种服务器集中供电的控制装置
本申请要求于2020年2月10日提交中国专利局、申请号为202010084767.2、发明名称为“一种服务器集中供电的控制装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及服务器供电技术领域，特别是涉及一种服务器集中供电的控制装置。
背景技术
在当今这个数据和运算能力爆炸式增长的时代，机房中服务器的数量急剧增加，由于为每个服务器独立供电会导致资源的极大浪费，因此目前服务器集中供电的方式逐渐普及。
图1为现有技术中的服务器集中供电电路。如图1所示，机柜的集中供电电源101提供12V的电压，当单个服务器接入机柜时，在服务器的电源夹具102与集中供电电源101的电源输出端完全连接后，12V电源输出到服务器的主板上，服务器主板最前端的热插拔控制模块103控制12V供电缓起输入主板电源104，保证不会出现大的浪涌电流，进而通过主板电源104给整个主板供电。
然而在服务器插入机柜上电时，当服务器的电源夹具102未充分接触集中供电电源101的电源输出端时，服务器的热插拔控制模块103立即开始上电，此时由于接触不充分，导致接触阻抗较大，容易出现发热现象，造成对服务器部件及机柜部件的损伤，还存在一定的安全隐患。
如何减少服务器上电过程对部件的损伤，保证热插拔时服务器能够安全的上电，是本领域技术人员需要解决的技术问题。
发明内容
本发明的目的是提供一种服务器集中供电的控制装置，用于减少服务器上电过程对部件的损伤，保证热插拔时服务器安全的上电。
为解决上述技术问题，本发明提供一种服务器集中供电的控制装置，包括设于机柜的集中供电板的深度检测模块以及信号传输电路；
其中，所述深度检测模块的信号输出端、所述集中供电板的电源输出端以及所述信号传输电路的第一端连接，所述信号传输电路的第二端与服务器的主板的热插拔控制模块的使能端连接；
所述深度检测模块用于在所述服务器的电源夹具未完全接入所述电源输出端时，输出第一状态信号以使所述信号传输电路输出非使能信号，以避免所述热插拔控制模块启动；
所述深度检测模块还用于在所述电源夹具完全接入所述电源输出端时，输出第二状态信号以使所述信号传输电路输出使能信号，以使所述热插拔控制模块启动。
可选的，所述深度检测模块包括设于所述电源输出端的行程开关；
所述行程开关在所述电源夹具未完全接入所述电源输出端时处于闭合状态，所述深度检测模块输出低电平；所述行程开关在所述电源夹具完全接入所述电源输出端时处于断开状态，所述深度检测模块输出高电平。
可选的，还包括设于所述主板的控制器；
相应的，所述信号传输电路包括隔离电阻和第一场效应管；
其中，所述控制器的电源输入端与所述热插拔控制模块的电源输出端连接，所述控制器的信号接收端与所述深度检测模块的信号输出端连接，所述控制器的信号输出端与所述第一场效应管的栅极连接，所述隔离电阻的第一端与所述深度检测模块的信号输出端连接，所述隔离电阻的第二端、所述第一场效应管的漏极与所述热插拔控制模块的使能端连接，所述第一场效应管的源极接地；
所述控制器用于在接收到所述第二状态信号时输出高电平使所述第一场效应管导通，通过所述第一场效应管向所述热插拔控制模块的使能端输出使能信号；
所述控制器还用于在所述深度检测模块的输出信号由所述第二状态信号转变为所述第一状态信号时，控制所述主板执行关机时序，并在执行完所述关机时序后输出低电平使所述第一场效应管关断，以使所述热插拔控 制模块在所述第一状态信号的控制下关闭。
可选的，所述控制器具体为CPLD。
可选的，所述信号传输电路还包括第一分压电阻和第二分压电阻；
其中，所述第一分压电阻的第一端与所述电源输出端连接，所述第一分压电阻的第二端、所述第二分压电阻的第一端与所述控制器的信号接收端以及所述隔离电阻的第一端连接，所述第二分压电阻的第二端接地。
可选的，所述信号传输电路还包括第二场效应管和第三场效应管；
其中，所述第二场效应管的栅极与所述深度检测模块的信号输出端连接，所述第二场效应管的漏极与所述电源输出端连接，所述第二场效应管的源极接地，所述第三场效应管的栅极与所述隔离电阻的第二端连接，所述第三场效应管的漏极与所述热插拔控制模块的使能端连接，所述第三场效应管的源极接地。
可选的，所述第一状态信号为低电平，所述第二状态信号为高电平；
相应的，所述第一场效应管、所述第二场效应管和所述第三场效应管均为反相器。
可选的，所述信号传输电路还包括设于所述电源输出端与所述第二场效应管的漏极之间的第三分压电阻。
可选的，所述信号传输电路还包括第四分压电阻和第五分压电阻；
其中，所述第四分压电阻的第一端与所述电源输出端连接，所述第四分压电阻的第二端、所述第五分压电阻的第一端与所述隔离开关的第二端以及所述热插拔控制模块的使能端连接，所述第五分压电阻的第二端接地。
可选的，还包括设于所述电源输出端与所述深度检测模块的供电端之间的第六分压电阻。
本发明所提供的服务器集中供电的控制装置，包括设于机柜的集中供电板的深度检测模块以及信号传输电路；其中，深度检测模块的信号输出端、集中供电板的电源输出端以及信号传输电路的第一端连接，信号传输电路的第二端与服务器的主板的热插拔控制模块的使能端连接；深度检测模块在服务器的电源夹具未完全接入电源输出端时，输出第一状态信号以使信号传输电路输出非使能信号，以避免热插拔控制模块启动；深度检测 模块在电源夹具完全接入电源输出端时，输出第二状态信号以使信号传输电路输出使能信号，以使热插拔控制模块启动。通过深度检测模块输出状态信号控制信号传输电路给热插拔控制模块传递使能信号，可以使热插拔控制模块在服务器的电源夹具未完全接触集中供电板的电源输出端时无法上电，而只有在电源夹具和电源输出端完全接触后才能上电，从而实现了减少了服务器上电过程对部件的损伤，保证了热插拔时服务器能够安全的上电。
附图说明
为了更清楚的说明本发明实施例或现有技术的技术方案，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的介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，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他的附图。
图1为现有技术中的服务器集中供电电路；
图2为本发明实施例提供的一种服务器集中供电的控制装置的结构示意图；
图3为本发明实施例提供的另一种服务器集中供电的控制装置的结构示意图。
具体实施方式
本发明的核心是提供一种服务器集中供电的控制装置，用于减少服务器上电过程对部件的损伤，保证热插拔时服务器安全的上电。
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。
图2为本发明实施例提供的一种服务器集中供电的控制装置的结构示意图。
如图2所示，本发明实施例提供的服务器集中供电的控制装置包括设于机柜的集中供电板的深度检测模块J1以及信号传输电路201；
其中，深度检测模块J1的信号输出端、集中供电板的电源输出端以及信号传输电路201的第一端连接，信号传输电路201的第二端与服务器的主板的热插拔控制模块202的使能端连接；
深度检测模块J1用于在服务器的电源夹具未完全接入电源输出端时，输出第一状态信号以使信号传输电路201输出非使能信号，以避免热插拔控制模块202启动；
深度检测模块J1还用于在电源夹具完全接入电源输出端时，输出第二状态信号以使信号传输电路201输出使能信号，以使热插拔控制模块202启动。
在具体实施中，在机柜的集中供电板上设置深度检测模块J1以检测服务器的电源夹具与集中供电板的电源输出端之间的接触距离，以此判断电源夹具是否完全接入电源输出端。信号传输电路201可以设置于服务器的主板上，连接于热插拔控制模块202的前端，深度检测模块J1通过输出不同的状态信号使信号传输电路201输出高低电平，来控制热插拔控制模块202的启动与否。在实际应用中，热插拔控制模块202的使能信号可以为高电平，相应的，非使能信号为低电平。
深度检测模块J1实现深度检测功能可以通过集中供电板外接行程开关实现。基于此，深度检测模块J1包括设于电源输出端的行程开关；
行程开关在电源夹具未完全接入电源输出端时处于闭合状态，深度检测模块J1输出低电平；行程开关在电源夹具完全接入电源输出端时处于断开状态，深度检测模块J1输出高电平。
如图2所示，深度检测模块J1的第一端接地，深度检测模块J1的信号输出端连接3.3V电源，深度检测模块J1的信号输出端和深度检测模块J1的供电端连接，本发明实施例提供的服务器集中供电的控制装置进一步还包括设于电源输出端与深度检测模块J1的供电端之间的第六分压电阻 R1。第六分压电阻R1可以选用4.7KΩ的电阻。
本发明实施例提供的服务器集中供电的控制装置，包括设于机柜的集中供电板的深度检测模块以及信号传输电路；其中，深度检测模块的信号输出端、集中供电板的电源输出端以及信号传输电路的第一端连接，信号传输电路的第二端与服务器的主板的热插拔控制模块的使能端连接；深度检测模块在服务器的电源夹具未完全接入电源输出端时，输出第一状态信号以使信号传输电路输出非使能信号，以避免热插拔控制模块启动；深度检测模块在电源夹具完全接入电源输出端时，输出第二状态信号以使信号传输电路输出使能信号，以使热插拔控制模块启动。通过深度检测模块输出状态信号控制信号传输电路给热插拔控制模块传递使能信号，可以使热插拔控制模块在服务器的电源夹具未完全接触集中供电板的电源输出端时无法上电，而只有在电源夹具和电源输出端完全接触后才能上电，从而实现了减少了服务器上电过程对部件的损伤，保证了热插拔时服务器能够安全的上电。
图3为本发明实施例提供的另一种服务器集中供电的控制装置的结构示意图。
在实际应用中，在服务器下电时，由于服务器关机流程较为复杂，工作人员常常不将服务器关机就拔出服务器的电源夹具，当电源夹具脱离电源输出端时，服务器主板会突然掉电，此时也存在着会损耗服务器部件及集中供电板部件的问题。上述实施例提供服务器集中供电的控制装置可以在服务器集中供电中服务器上电时避免热插拔控制模块202在服务器的电源夹具与集中供电板的电源输出端未完全解除时启动，而当服务器下电时，在电源夹具逐渐脱离电源输出端的过程中，深度检测模块J1输出第一状态信号，热插拔控制模块202关闭，还是会存在服务器主板突然掉电的情况。
为解决该问题，本发明实施例在上述实施例的基础上增加一个优先级控制机制，通过控制机制在服务器下电过程中使服务器主板先关机再下电。该控制机制需要一个控制器实现，在该控制器未上电时，由深度检测模块J1的输出信号来控制热插拔控制模块202，而在该控制器上电以后，由该 控制器来控制热插拔控制模块202。当服务器上电时，深度检测模块J1的输出信号使该控制器启动，接管对热插拔控制模块202的控制权；当服务器下电时，深度检测模块J1的输出信号告知该控制器服务器即将下电，该控制器控制服务器主板完成关机时序后再下电，将控制权交还给深度检测模块J1的输出信号，完成整个下电过程。
基于此，如图3所示，在上述实施例的基础上，本发明实施例提供的服务器集中供电的控制装置还包括设于主板的控制器；
相应的，信号传输电路201包括隔离电阻R5和第一场效应管Q2；
其中，控制器的电源输入端与热插拔控制模块202的电源输出端连接，控制器的信号接收端与深度检测模块J1的信号输出端连接，控制器的信号输出端与第一场效应管Q2的栅极连接，隔离电阻R5的第一端与深度检测模块J1的信号输出端连接，隔离电阻R5的第二端、第一场效应管Q2的漏极与热插拔控制模块202的使能端连接，第一场效应管Q2的源极接地；
控制器用于在接收到第二状态信号时输出高电平使第一场效应管Q2导通，通过第一场效应管Q2向热插拔控制模块202的使能端输出使能信号；
控制器还用于在深度检测模块J1的输出信号由第二状态信号转变为第一状态信号时，控制主板执行关机时序，并在执行完关机时序后输出低电平使第一场效应管Q2关断，以使热插拔控制模块202在第一状态信号的控制下关闭。
在具体实施中，控制器可以选用服务器主板上原有的控制器，也可以另设控制器。一种较好的实施方式是采用服务器主板上的CPLD。
隔离电阻R5起到在控制器上电后隔离深度检测模块J1的输出信号的作用，因此应选用一个阻值较大的电阻。
在服务器上电时，热插拔控制模块202在接收到深度检测模块J1输出的第二状态信号后启动，服务器主板上电，CPLD上电。CPLD的信号接收端在接收到第二状态信号时，输出高电平使第一场效应管Q2导通，此时由于隔离电阻R5的存在，隔离了深度检测模块J1的输出信号对热插拔控制模块202的影响，将高电平信号传输到热插拔控制模块202使热插拔 控制模块202启动。在服务器下电时，CPLD在接收到深度检测模块J1输出的第一状态信号时，控制主板执行关机时序，而后输出低电平使第一场效应管Q2关断，热插拔控制模块202在第一状态信号的控制下关闭，服务器主板下电，CPLD下电。
由于CPLD的供电电源通常为3.3V左右，而深度检测模块J1的信号输出端连接的集中供电板的输出电压为12V，因此不能将深度检测模块J1输出的信号直接接到CPLD上，需要在深度检测模块J1的信号输出端与CPLD的信号接收端之间设置分压电路。分压电路可以设置在集中供电板上深度检测模块J1的信号输出端处，直接使深度检测模块J1输出符合与CPLD预先约定的有效信号。
这里需要说明的是，服务器的供电方式主要包括集中供电方式和PSU供电方式两种，集中供电方式即是将PSU电源做成集中电源，对外提供12V电压，可以为多个服务器供电；PSU供电方式则是将PSU电源直接安装于服务器上。目前投入使用的PSU电源主要为M5平台的PSU电源和M6平台的PSU电源，M6平台的PSU电源较为常见，但也有少量采用M5平台的PSU电源的。
由于M6平台的PSU电源有一个闲置的引脚B21，为便于方案的实现，将该引脚作为输出深度检测模块J1的输出信号的引脚。但是，M5平台的PSU电源对应的B21引脚为12V电源，当采用M5平台的PSU电源时，会直接将12V的电源连接到CPLD上，造成CPLD烧毁。为了兼容M5平台的PSU电源和M6平台的PSU电源，需要将深度检测模块J1的输出信号调整为12V的电压准位，而将进入CPLD的信号经过降压处理得到3.3V左右的电压。
为此，在服务器主板上，信号传输电路201还包括第一分压电阻R3和第二分压电阻R4；
其中，第一分压电阻R3的第一端与电源输出端连接，第一分压电阻R3的第二端、第二分压电阻R4的第一端与控制器CPLD的信号接收端以及隔离电阻R5的第一端连接，第二分压电阻R4的第二端接地。第一分压电阻R3可以选用100KΩ的电阻，第二分压电阻R4可以选用41.2KΩ的电 阻。
在第一分压电阻R3采用100KΩ的电阻，第二分压电阻R4采用41.2KΩ的电阻的基础上，隔离电阻R5可以采用365KΩ的电阻。
为进一步提高电路安全性，如图3所示，信号传输电路201还包括第二场效应管Q1和第三场效应管Q3；
其中，第二场效应管Q1的栅极与深度检测模块J1的信号输出端连接，第二场效应管Q1的漏极与电源输出端连接，第二场效应管Q1的源极接地，第三场效应管Q3的栅极与隔离电阻R5的第二端连接，第三场效应管Q3的漏极与热插拔控制模块202的使能端连接，第三场效应管Q3的源极接地。
进一步的，为调节输出电压，信号传输电路201还包括设于电源输出端与第二场效应管Q1的漏极之间的第三分压电阻R2。第三分压电阻R2可以选用10KΩ的电阻。
在上文提到，为了兼容M5平台的PSU电源和M6平台的PSU电源，需要将深度检测模块J1的输出信号调整为12V的电压准位，而将进入CPLD的信号经过降压处理得到3.3V左右的电压，而当服务器采用PSU供电而非集中供电时，由于PSU电源直接连接在服务器上，则无需利用CPLD再次执行上述下电过程中的关机操作。
为避免在服务器采用PSU供电方式时，服务器主板的CPLD将PSU电源误识别为集中供电板，一种优选的实施方式是将CPLD的控制信号采用低电平有效，即将第一状态信号设置为低电平，将第二状态信号设置为高电平；
相应的，由于热插拔控制模块202的使能信号通常为高电平，而场效应管的导通也需要高电平，因此第一场效应管Q2、第二场效应管Q1和第三场效应管Q3均采用反相器，具体可以采用型号为NX7002AK的反相器。
进一步的，为调节输出电压至热插拔控制模块202所需电压，信号传输电路201还包括第四分压电阻R6和第五分压电阻R7；
其中，第四分压电阻R6的第一端与电源输出端连接，第四分压电阻 R6的第二端、第五分压电阻R7的第一端与隔离开关的第二端以及热插拔控制模块202的使能端连接，第五分压电阻R7的第二端接地。第四分压电阻R6可以采用41.2KΩ的电阻，第五分压电阻R7可以采用10KΩ的电阻。
基于上述实施例提供的服务器集中供电的控制装置，下面结合表1对服务器集中供电的控制装置在服务器上电、下电过程中的信号状态进行说明。
Figure PCTCN2020098378-appb-000001
表1本发明实施例提供的服务器集中供电的控制装置的上下电信号状态
服务器状态一(序号1)
在服务器插入机柜前，此时服务器的电源夹具与集中供电板的电源输出端完全无接触，深度检测模块J1中的行程开关闭合，接入服务器主板的P12V输入电源为0V，整个服务器主板处于断电不工作状态。
服务器状态二(序号2)
当服务器开始插入机柜，电源夹具接触电源输出端但未完全接触，深度检测模块J1中的行程开关仍处于闭合状态，而图3所示的两个虚线框的部分连接，接入服务器主板的12V输入电源开始上电，经过反相器Q1之后，控制信号CONTROL_11为高电平，控制信号CONTROL_12为高电平，控制信号CONTROL_4为高电平，经过反相器Q3之后，控制信号CONTROL_3为低电平，热插拔控制模块202接收到非使能信号，不启动，CPLD预先设置为低电平有效，故在控制信号CONTROL_12的作用下也不启动工作，进而控制信号CONTROL_2为低电平。
服务器状态三(序号3)
当服务器插入机柜，且电源夹具与电源输出端完全接触后，深度检测模块J1中的行程开关断开，输出高电平，经过反相器Q1之后，控制信号CONTROL_11输出低电平，继而控制信号CONTROL_4为低电平，经过反相器Q3之后，控制信号CONTROL_3为高电平，使热插拔控制模块202启动，进而使服务器主板上电，CPLD开始工作。
控制信号CONTROL_12与控制信号CONTROL_11一致为低电平，CPLD识别到低电平有效信号，输出控制信号CONTROL_2为高电平，使反相器Q2导通，在隔离电阻R5的作用下，控制信号CONTROL_4的控制权转移到CPLD，在控制信号CONTROL_2经过反相器Q2之后，CONTROL_4呈电平，经反相器Q3之后，控制信号CONTROL_3仍为高电平，热插拔控制模块202保持开启状态，整个服务器主板完成平稳上电。
服务器状态四(序号4、5、6)
在服务器拔出机柜，电源夹具未完全脱离电源输出端时，深度检测模块J1中的行程开关再次闭合，输出低电平，经过反相器Q1之后，控制信号CONTROL_11输出高电平，控制信号CONTROL_12与控制信号CONTROL_11一致为高电平，CPLD接收信号从低电平转换为高电平，则开始执行服务器主板的关机时序，使服务器主板上的其他部件关机。在未完成关机时序时，CPLD输出的控制信号CONTROL_2仍为高电平，热插拔控制模块202保持开启状态。
在CPLD完成服务器主板的关机时序后，输出控制信号CONTROL_2 转为低电平，反相器Q2关断，继而控制信号CONTROL_4在控制信号CONTROL_11的作用下转为高电平，经过反相器Q3之后，控制信号CONTROL_3为低电平，热插拔控制模块202关闭，使服务器主板下电，CPLD下电。
服务器状态五(序号7)
在服务器完全拔出机柜后，电源夹具完全脱离电源输出端，深度检测模块J1中的行程开关仍处于闭合状态，接入服务器主板的P12V电源变为0V，整个服务器主板处于断电不工作状态。
基于上文的描述可以看到，本发明实施例提供的服务器集中供电的控制装置通过深度检测模块J1检测服务器的电源夹具与集中供电板的电源输出端的接触状态，保证服务器主板在服务器完全插入机柜后才上电，进而通过控制器工作后反相器Q2实现对控制信号CONTROL_3的优先控制，保证服务器在完成关机后才下电，解决了服务器集中供电方式下上电过程与下电过程对服务器部件和集中供电板部件的发热、损耗问题，提高了服务器部件和集中供电板部件的寿命。
进一步的，通过集中供电板与服务器主板的通讯信号采用12V电压，可以兼容M5平台的PSU电源。
通过输入控制器的控制信号低电平有效的设计，本发明实施例提供的服务器集中供电的控制装置可以兼容PSU供电方式下的PSU电源，在集中供电方式下可以直接通过一个控制信号实现上述对服务器上下电过程的控制，而由于在PSU供电方式下无需执行关机时序，控制器不会将M5平台下的PSU电源误识别为集中供电板。
而分压电阻、隔离电阻R5的设置，可以保证为电路中各个元件提供合理的供电电压，便于方案的实际应用。
以上对本发明所提供的一种服务器集中供电的控制装置进行了详细介绍。说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。 应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求的保护范围内。
还需要说明的是，在本说明书中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。

Claims (10)

  1. 一种服务器集中供电的控制装置，其特征在于，包括设于机柜的集中供电板的深度检测模块以及信号传输电路；
    其中，所述深度检测模块的信号输出端、所述集中供电板的电源输出端以及所述信号传输电路的第一端连接，所述信号传输电路的第二端与服务器的主板的热插拔控制模块的使能端连接；
    所述深度检测模块用于在所述服务器的电源夹具未完全接入所述电源输出端时，输出第一状态信号以使所述信号传输电路输出非使能信号，以避免所述热插拔控制模块启动；
    所述深度检测模块还用于在所述电源夹具完全接入所述电源输出端时，输出第二状态信号以使所述信号传输电路输出使能信号，以使所述热插拔控制模块启动。
  2. 根据权利要求1所述的控制装置，其特征在于，所述深度检测模块包括设于所述电源输出端的行程开关；
    所述行程开关在所述电源夹具未完全接入所述电源输出端时处于闭合状态，所述深度检测模块输出低电平；所述行程开关在所述电源夹具完全接入所述电源输出端时处于断开状态，所述深度检测模块输出高电平。
  3. 根据权利要求1所述的控制装置，其特征在于，还包括设于所述主板的控制器；
    相应的，所述信号传输电路包括隔离电阻和第一场效应管；
    其中，所述控制器的电源输入端与所述热插拔控制模块的电源输出端连接，所述控制器的信号接收端与所述深度检测模块的信号输出端连接，所述控制器的信号输出端与所述第一场效应管的栅极连接，所述隔离电阻的第一端与所述深度检测模块的信号输出端连接，所述隔离电阻的第二端、所述第一场效应管的漏极与所述热插拔控制模块的使能端连接，所述第一场效应管的源极接地；
    所述控制器用于在接收到所述第二状态信号时输出高电平使所述第一场效应管导通，通过所述第一场效应管向所述热插拔控制模块的使能端输出使能信号；
    所述控制器还用于在所述深度检测模块的输出信号由所述第二状态信号转变为所述第一状态信号时，控制所述主板执行关机时序，并在执行完所述关机时序后输出低电平使所述第一场效应管关断，以使所述热插拔控制模块在所述第一状态信号的控制下关闭。
  4. 根据权利要求3所述的控制装置，其特征在于，所述控制器具体为CPLD。
  5. 根据权利要求3所述的控制装置，其特征在于，所述信号传输电路还包括第一分压电阻和第二分压电阻；
    其中，所述第一分压电阻的第一端与所述电源输出端连接，所述第一分压电阻的第二端、所述第二分压电阻的第一端与所述控制器的信号接收端以及所述隔离电阻的第一端连接，所述第二分压电阻的第二端接地。
  6. 根据权利要求3所述的控制装置，其特征在于，所述信号传输电路还包括第二场效应管和第三场效应管；
    其中，所述第二场效应管的栅极与所述深度检测模块的信号输出端连接，所述第二场效应管的漏极与所述电源输出端连接，所述第二场效应管的源极接地，所述第三场效应管的栅极与所述隔离电阻的第二端连接，所述第三场效应管的漏极与所述热插拔控制模块的使能端连接，所述第三场效应管的源极接地。
  7. 根据权利要求6所述的控制装置，其特征在于，所述第一状态信号为低电平，所述第二状态信号为高电平；
    相应的，所述第一场效应管、所述第二场效应管和所述第三场效应管均为反相器。
  8. 根据权利要求6所述的控制装置，其特征在于，所述信号传输电路还包括设于所述电源输出端与所述第二场效应管的漏极之间的第三分压电阻。
  9. 根据权利要求3所述的控制装置，其特征在于，所述信号传输电路还包括第四分压电阻和第五分压电阻；
    其中，所述第四分压电阻的第一端与所述电源输出端连接，所述第四分压电阻的第二端、所述第五分压电阻的第一端与所述隔离开关的第二端 以及所述热插拔控制模块的使能端连接，所述第五分压电阻的第二端接地。
  10. 根据权利要求1所述的控制装置，其特征在于，还包括设于所述电源输出端与所述深度检测模块的供电端之间的第六分压电阻。
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CN117033063B (zh) * 2023-10-08 2024-02-09 浪潮(山东)计算机科技有限公司 一种服务器漏液处理方法、系统、装置、电子设备及介质

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