CN116643631A - A server cooling method, device, electronic equipment and storage medium - Google Patents

Abstract

The embodiment of the invention provides a server heat dissipation method, a device, electronic equipment and a storage medium, wherein temperature information of hardware aiming at a server is acquired through a multiplexer, and a synchronous serial bus signal aiming at the temperature information is generated; transmitting the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus; the modularized fan board controls the cooling fan based on the synchronous serial bus signals, so that the cooling fan is controlled on the basis of avoiding occupying a large number of BMC pins, the research and development cost of the server is reduced, and the research and development efficiency of the server is improved.

Description

A server cooling method, device, electronic equipment and storage medium

technical field

The present invention relates to the technical field of server heat dissipation, in particular to a server heat dissipation method, a server heat dissipation device, a server, an electronic device and a computer-readable storage medium.

Background technique

The cooling fan is an important heat dissipation component of various server hardware equipment, and the stable operation of the fan is an important support to ensure the normal operation of the system. In the related technology, the fan control for the server is mainly through the baseboard management controller BMC to detect the temperature of each point inside the chassis, according to the preset control strategy, use the pulse width modulation PWM dedicated control pin to control the fan speed, and use the speed The TACH pin receives the speed signal returned by the fan.

Because using PWM signal and TACH signal to control and receive the fan speed signal to control the fan will occupy a large number of pins of the baseboard management controller BMC and programmable logic device CPLD, resulting in tight pins of the baseboard management controller BMC and programmable logic device CPLD , and, because the baseboard management controller BMC and the programmable logic device CPLD will also increase the software design workload of the software developers because of the large number of pin programming, and the hardware developers also need different GPIO pin lines for different projects. Developing a variety of fan circuit modules will result in low R&D efficiency for server projects, which in turn will lead to increased R&D costs and testing costs.

Contents of the invention

Embodiments of the present invention provide a server heat dissipation method, device, electronic equipment, and computer-readable storage medium, so as to solve the problem of how to improve the efficiency of server research and development.

The embodiment of the present invention discloses a heat dissipation method for a server. The method is applied to a server. The server is configured with a main board and a modular fan board. The modular fan board is configured with a corresponding cooling fan. The main board and the A corresponding bidirectional two-wire synchronous serial bus is configured between the modular fan boards, and the main board is provided with a multiplexer for the bidirectional two-wire synchronous serial bus, including:

Obtaining temperature information for hardware of the server through the multiplexer, and generating a synchronous serial bus signal for the temperature information;

sending the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus;

The cooling fan is controlled by the modular fan board based on the synchronous serial bus signal.

Optionally, the modular fan board is equipped with a fan control chip for the cooling fan, the fan control chip is used to receive the synchronous serial bus signal, and the modular fan board is based on the The steps of synchronizing the serial bus signal to control the cooling fan include:

The fan control chip is used to control the cooling fan based on the synchronous serial bus signal.

Optionally, the modular fan board is equipped with a fan signal collection and interaction unit for the cooling fan, and the step of using the fan control chip to control the cooling fan based on the synchronous serial bus signal includes:

using the fan signal collection and interaction unit to acquire rotational speed information for the cooling fan;

Using the fan control chip to generate pulse width modulation information for the cooling fan based on the rotational speed information and the synchronous serial bus signal, and sending the pulse width modulation information to the cooling fan to control the cooling fan .

Optionally, the cooling fan is configured with a corresponding input and output expander, and further includes:

The on-position information for the cooling fan is obtained by using the input-output expander; the on-position information is used to generate fault information on the cooling fan.

Optionally, a bidirectional two-wire synchronous serial bus connector for the bidirectional two-wire synchronous serial bus is disposed between the main board and the modular fan board, and the bidirectional two-wire synchronous serial bus connector is used for for connecting the bidirectional two-wire synchronous serial bus.

Optionally, a power cord is configured between the main board and the modular fan board, and the power cord is configured with power connectors mounted on the main board and the modular fan board respectively, and the power connectors are used for Based on the power cord to electrically connect the motherboard and the modular fan board, so as to provide the heat dissipation fan, and/or, the fan control chip, and/or, the fan signal collection and interaction unit, And/or, the input and output expander supplies power.

Optionally, the main board is configured with a baseboard management controller and a programmable logic device, the baseboard management controller and the programmable logic device are electrically connected to the multiplexer, and the programmable logic device uses In order to determine the channel selection for the multiplexer, the step of obtaining temperature information for the hardware of the server through the multiplexer, and generating a synchronous serial bus signal for the temperature information include:

When it is determined that the baseboard management controller has not completed initialization or fails, using the programmable logic device to obtain temperature information for the hardware of the server based on the multiplexer, and generate a temperature information for the temperature information Synchronous serial bus signal;

When it is determined that the baseboard management controller has completed initialization and is operating normally, using the baseboard management controller to obtain temperature information for hardware of the server based on the multiplexer, and generate synchronization for the temperature information serial bus signal.

The embodiment of the present invention also discloses a server cooling device, the device is applied to a server, the server is configured with a main board and a modular fan board, the modular fan board is configured with a corresponding cooling fan, the main board and the A corresponding bidirectional two-wire synchronous serial bus is configured between the modular fan boards, and the main board is provided with a multiplexer for the bidirectional two-wire synchronous serial bus, including:

A synchronous serial bus signal generating module, configured to obtain temperature information for hardware of the server through the multiplexer, and generate a synchronous serial bus signal for the temperature information;

A synchronous serial bus signal sending module, configured to send the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus;

The cooling fan control module is used to control the cooling fan based on the synchronous serial bus signal through the modular fan board.

Optionally, the modular fan board is equipped with a fan control chip for the cooling fan, the fan control chip is used to receive the synchronous serial bus signal, and the cooling fan control module may include:

The cooling fan control sub-module is configured to use the fan control chip to control the cooling fan based on the synchronous serial bus signal.

Optionally, the modular fan board is equipped with a fan signal collection and interaction unit for the cooling fan, and the cooling fan control submodule may include:

A rotational speed information acquisition unit, configured to acquire rotational speed information for the cooling fan by using the fan signal collection and interaction unit;

a pulse width modulation information generation unit, configured to use the fan control chip to generate pulse width modulation information for the cooling fan based on the rotational speed information and the synchronous serial bus signal, and send the pulse to the cooling fan Width modulation information to control the cooling fan.

Optionally, the cooling fan is configured with a corresponding input and output expander, and may also include:

The presence information acquisition unit is configured to acquire presence information for the cooling fan by using the input-output expander; the presence information is used to generate fault information for the cooling fan.

Optionally, a bidirectional two-wire synchronous serial bus connector for the bidirectional two-wire synchronous serial bus is disposed between the main board and the modular fan board, and the bidirectional two-wire synchronous serial bus connector is used for for connecting the bidirectional two-wire synchronous serial bus.

Optionally, a power cord is configured between the main board and the modular fan board, and the power cord is configured with power connectors mounted on the main board and the modular fan board respectively, and the power connectors are used for Based on the power cord to electrically connect the motherboard and the modular fan board, so as to provide the heat dissipation fan, and/or, the fan control chip, and/or, the fan signal collection and interaction unit, And/or, the input and output expander supplies power.

Optionally, the main board is configured with a baseboard management controller and a programmable logic device, the baseboard management controller and the programmable logic device are electrically connected to the multiplexer, and the programmable logic device uses For determining the channel selection for the multiplexer, the synchronous serial bus signal generation module may include:

The first synchronous serial bus signal generation sub-module is used to use the programmable logic device to obtain the information for the server based on the multiplexer when it is determined that the baseboard management controller has not completed initialization or has failed. temperature information of the hardware, and generating a synchronous serial bus signal for the temperature information;

The second synchronous serial bus signal generating submodule is configured to use the baseboard management controller to obtain hardware for the server based on the multiplexer when it is determined that the baseboard management controller is initialized and running normally temperature information and generate a synchronous serial bus signal for that temperature information.

The embodiment of the present invention also discloses a server, the server is configured with a main board and a modular fan board, the modular fan board is configured with a corresponding cooling fan, and a For a corresponding bidirectional two-wire synchronous serial bus, the main board is provided with a multiplexer for the bidirectional two-wire synchronous serial bus, and the server is used to obtain information for the server through the multiplexer The temperature information of the hardware, and generate a synchronous serial bus signal for the temperature information; send the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus; The modular fan board controls the cooling fan based on the synchronous serial bus signal.

The embodiment of the present invention also discloses an electronic device, including a processor, a communication interface, a memory, and a communication bus, wherein the processor, the communication interface, and the memory complete mutual communication through the communication bus;

The memory is used to store computer programs;

The processor is configured to implement the method described in the embodiment of the present invention when executing the program stored in the memory.

The embodiment of the present invention also discloses a computer-readable storage medium, on which instructions are stored, and when executed by one or more processors, the processors execute the method described in the embodiment of the present invention.

Embodiments of the present invention include the following advantages:

In the embodiment of the present invention, the temperature information for the hardware of the server is obtained through the multiplexer, and a synchronous serial bus signal for the temperature information is generated; The synchronous serial bus signal is sent to the modular fan board; the cooling fan is controlled by the modular fan board based on the synchronous serial bus signal, so as to avoid a large number of BMC pins being occupied, complete The control of the cooling fan reduces the R&D cost of the server and improves the R&D efficiency of the server.

Description of drawings

FIG. 1 is a flow chart of the steps of a method for dissipating heat from a server provided in an embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a modular server fan provided in an embodiment of the present invention;

Fig. 3 is a schematic structural diagram of another modular server fan provided in an embodiment of the present invention;

FIG. 4 is a structural block diagram of a server cooling device provided in an embodiment of the present invention;

Fig. 5 is a hardware structural block diagram of an electronic device provided in various embodiments of the present invention;

Fig. 6 is a schematic diagram of a computer-readable medium provided in an embodiment of the present invention.

Detailed ways

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

To enable those skilled in the art to better understand the embodiments of the present invention, some technical terms involved in the embodiments of the present invention are described below.

PWM (Pulse width modulation): Pulse width modulation, pulse width modulation is an analog control method that modulates the bias of the transistor base or MOS transistor gate according to the change of the corresponding load to realize the transistor or MOS transistor conduction time. Change, so as to realize the change of the output of the switching regulator power supply. This method can keep the output voltage of the power supply constant when the working conditions change, and it is a very effective technology for controlling the analog circuit by using the digital signal of the microprocessor. It is widely used in many fields from measurement and communication to power control and conversion.

Tach: Tachometer, referred to as Tach, is one of the more important measuring instruments in daily life and is widely used in steam, electronics, textiles, papermaking, etc. Its structure is mainly composed of speed measuring motor, analog/digital conversion, digital quantity/display code conversion, display speed quantity and display instrument.

CPLD (Complex Programmable Logic Device) is the abbreviation of Complex PLD, a more complex logic element than PLD. CPLD is a digital integrated circuit in which users can construct logic functions according to their own needs. The basic design method is to use the integrated development software platform to generate corresponding target files by means of schematic diagrams and hardware description languages, and transmit the code to the target chip through the download cable ("in-system" programming) to realize the designed digital system. .

GPIO (English: General-purpose input/output), the abbreviation of general-purpose input and output, the function is similar to P0-P3 of 8051, its pins can be freely used by users through program control, and PIN pins can be used as general-purpose inputs according to practical considerations ( GPI) or general output (GPO) or general input and output (GPIO), such as clk generator, chip select, etc.

The full name of BMC is Baseboard Management Controller (Baseboard Management Controller). It is a dedicated controller for monitoring and managing servers. The main four functions are as follows:

①Equipment information management: record server information (model, manufacturer, date, production and technical information of each component, chassis information, motherboard information, etc.), BMC information (server host name, IP, BMC firmware version, etc.);

②Server status monitoring and management: detect the temperature, voltage and other health status of each component of the server (CPU, memory, hard disk, fan, frame, etc.), and adjust the fan speed in real time according to the conditions of each temperature collection point to ensure that the server does not overheat , and the control of the overall power consumption should not be too high; if there is any abnormality in the single board components, the information will be reported to the upper network management in time through SNMP protocol, SMTP protocol, Redfish protocol and other common industry standards;

③Remote control and management of the server: power on/off, restart, maintenance, firmware update, system installation, etc. of the server;

④Maintenance management: log management, user management, BIOS management, alarm management, etc.

Debug is the meaning of computer troubleshooting, and it is also an extremely important debugging operation in the windows system.

In practical applications, when the server is working normally, the processor, hard disk, network card and other devices will generate a lot of heat, and the server fan is an important way to cool down the heat-generating devices in the server. The current main method of server fan regulation is that the BMC detects the temperature of each point inside the chassis, uses the PWM dedicated control pin to control the fan speed according to the preset regulation strategy, and uses the TACH pin to receive the speed signal returned by the fan.

Because the method of using PWM signal and TACH signal to control and receive the fan speed signal will occupy a large number of pins of BMC and CPLD, causing the pins of BMC and CPLD to be tense, and BMC and CPLD will also increase the number of software designers because of the large number of pin programming. The workload of the hardware design engineers also needs to develop a variety of fan circuit modules due to the different GPIO pin circuits of different projects, which will increase the research and development costs and testing costs of the project.

An embodiment of the present invention provides a heat dissipation method for a server, which integrates a fan control chip, a fan connector, a fan status indicator, an IO expansion chip, a power connector, and an I2C connector into a modular fan system. The power connector and the I2C connector on the modular fan system are connected to the main board to provide electrical signals and I2C control signals of the modular fan main board. The I2C signal on the modular server fan system is connected to the fan controller, and the fan controller is used to control the PWM signal of the fan and receive the TACH speed signal of the fan; the I2C signal is also connected to the IO expander, and the IO expander is used to receive the in- Bit information, and when a certain fan fails, the corresponding fan failure indicator will light up. The modular server fan system integrates the fan control unit, fan signal collection and interaction unit, which can complete functions such as fan control, fan information collection, and fan signal interaction. The labor cost and time cost brought by hardware design, software development, and function commissioning.

Referring to FIG. 1 , it shows a flow chart of the steps of a server heat dissipation method provided in an embodiment of the present invention, which may specifically include the following steps:

Step 101, acquiring temperature information for hardware of the server through the multiplexer, and generating a synchronous serial bus signal for the temperature information;

Step 102, sending the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus;

Step 103, controlling the cooling fan based on the synchronous serial bus signal through the modular fan board.

In a specific implementation, the embodiment of the present invention may be applied to a server, and the server may be configured with a main board and a modular fan board PCB.

In the embodiment of the present invention, a corresponding bidirectional two-wire synchronous serial bus I2C can be configured between the main board and the modular fan board, so as to realize data interaction between the main board and the modular fan board.

The main board of the embodiment of the present invention may also be provided with a multiplexer for the bidirectional two-wire synchronous serial bus, so as to realize multiplexing of the bidirectional two-wire synchronous serial bus I2C.

Motherboard, also known as mainboard, system board, or motherboard, is one of the most basic and important components of a computer. The motherboard is generally a rectangular circuit board, on which are installed the main circuit systems that make up the computer. Generally, there are BIOS chips, I/O control chips, keyboard and panel control switch interfaces, indicator light connectors, expansion slots, motherboards and cards. DC power supply connectors and other components.

PCB (Printed Circuit Board), the Chinese name is printed circuit board, also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical interconnection of electronic components. Because it is made using electronic printing, it is called a "printed" circuit board.

The I2C bus is a simple, bidirectional two-wire synchronous serial bus. It requires only two wires to transfer information between devices connected to the bus. The master device is used to start the bus to transmit data and generate a clock to open the device for transmission. At this time, any addressed device is considered a slave device. The relationship between master and slave, send and receive on the bus is not constant, and Depends on the direction of data transfer at this time. If the host wants to send data to the slave device, the host first addresses the slave device, then actively sends data to the slave device, and finally the host terminates the data transfer; if the host wants to receive data from the slave device, the master device first addresses the slave device, Then the host receives the data sent from the device, and finally the host terminates the receiving process. In this case, the host is responsible for generating the timing clock and terminating data transfers.

A multiplexer MUX is a device that accepts multiple input signals and synthesizes a single output signal in a recoverable manner for each input signal. A multiplexer is a complex system that usually consists of a number of data inputs and a single output.

The modularized fan board of the embodiment of the present invention can be configured with a corresponding cooling fan. In a specific implementation, the temperature information for the hardware of the server can be obtained through a multiplexer, and a synchronous serial bus I2C for the temperature information can be generated. After the synchronous serial bus I2C signal is generated, the synchronous serial bus signal can be sent to the modular fan board through the bidirectional two-wire synchronous serial bus.

Exemplarily, the motherboard can be integrated with a central processing unit CPU, a graphics processing unit GPU, and a baseboard management controller BMC. The central processing unit CPU and the graphics processing unit GPU are equipped with corresponding temperature sensors. The baseboard management controller can Based on the temperature sensor, the baseboard management controller (BMC) obtains temperature information for hardware devices such as the central processing unit (CPU) and graphics processing unit (GPU). After the BMC generates a synchronous serial bus I2C signal for the temperature information, it synchronizes through the two-way two-wire system. Serial bus I2C, sends synchronous serial bus I2C signals to the modular fan board.

CPU: The central processing unit (Central Processing Unit, referred to as CPU), as the computing and control core of the computer system, is the final execution unit for information processing and program operation. Since the CPU was produced, it has made great progress in logic structure, operating efficiency and function extension.

GPU: Graphics processing unit (English: graphics processing unit, abbreviation: GPU), also known as display core, visual processor, display chip, is a special graphics processing unit in personal computers, workstations, game consoles and some mobile devices (such as tablet computers, A microprocessor that performs image and graphics-related operations on smartphones, etc. The GPU reduces the graphics card's dependence on the CPU and performs some of the original CPU work. Especially in 3D graphics processing, the core technologies adopted by the GPU include hardware T&L (geometric transformation and lighting processing), cubic environment material map and vertex blending, Texture compression and bump mapping, dual-texture quad-pixel 256-bit rendering engine, etc., and hardware T&L technology can be said to be the hallmark of GPU.

A baseboard management controller, also known as a baseboard management controller (BMC), is a dedicated service processor that uses sensors to monitor the status of a computer, network server, or other hardware-driven device, and communicates with the A separate connection line communicates with the system administrator. The BMC is part of the Intelligent Platform Management Interface (IPMI) and is usually included on the motherboard or the main circuit board of the monitored device. The BMC's sensors are used to measure internal physical variables such as: temperature, temperature, power supply voltage, fan speed, communication parameters and operating system (OS, operating system) functions. It notifies the administrator if any of these variables fall outside the established limits. Relevant technicians can use remote control to take corrective measures. Monitoring equipment can be power cycled or restarted when necessary. This allows a single administrator to remotely control an unlimited number of servers and other devices simultaneously. This saves the overall cost of the network and ensures reliability.

After the modularized fan board in the embodiment of the present invention receives the synchronous serial bus I2C signal, it can realize the control of the cooling fan based on the synchronous serial bus I2C signal.

In the embodiment of the present invention, the temperature information for the hardware of the server is obtained through the multiplexer, and a synchronous serial bus signal for the temperature information is generated; The synchronous serial bus signal is sent to the modular fan board; the cooling fan is controlled by the modular fan board based on the synchronous serial bus signal, so as to avoid a large number of BMC pins being occupied, complete The control of the cooling fan reduces the R&D cost of the server and improves the R&D efficiency of the server.

On the basis of the above-mentioned embodiments, modified embodiments of the above-mentioned embodiments are proposed. It should be noted here that, for the sake of brevity, only differences from the above-mentioned embodiments are described in the modified embodiments.

In an optional embodiment of the present invention, the modular fan board is equipped with a fan control chip for the cooling fan, the fan control chip is used to receive the synchronous serial bus signal, and the The step of controlling the cooling fan based on the synchronous serial bus signal of the modularized fan board includes:

The fan control chip is used to control the cooling fan based on the synchronous serial bus signal.

In a specific implementation, in order to further improve the control efficiency of the fan and reduce the computing pressure of the central processing unit CPU and the baseboard management controller BMC, an independent fan control chip can be configured for the cooling fan in the embodiment of the present invention, and will be used for The fan control chip that controls the cooling fan is integrated in the modular fan board, and the fan control chip can be used to receive the synchronous serial bus I2C signal and control the cooling fan based on the synchronous serial bus signal.

In the embodiment of the present invention, by using the fan control chip to control the cooling fan based on the synchronous serial bus signal, the cooling efficiency for the server is improved.

In an optional embodiment of the present invention, the modular fan board is equipped with a fan signal collection and interaction unit for the cooling fan, and the fan control chip is used to control the fan signal based on the synchronous serial bus signal. The steps of the cooling fan include:

using the fan signal collection and interaction unit to acquire rotational speed information for the cooling fan;

Using the fan control chip to generate pulse width modulation information for the cooling fan based on the rotational speed information and the synchronous serial bus signal, and sending the pulse width modulation information to the cooling fan to control the cooling fan .

In a specific implementation, in order to further improve the control efficiency of the fan, the embodiment of the present invention can configure an independent fan signal collection and interaction unit for the cooling fan, and integrate the fan signal collection and interaction unit into the modular fan board, and can The fan signal collection and interaction unit is used to obtain the speed information TACH for the cooling fan. After the fan signal collection and interaction unit obtains the speed information TACH for the cooling fan, the speed information TACH can be sent to the fan control chip. The fan control chip can be based on The rotation speed information TACH and the synchronous serial bus I2C signal generate pulse width modulation information PWM for the cooling fan, and send the pulse width modulation information PWM to the cooling fan to adjust the rotation speed of the cooling fan.

In the embodiment of the present invention, the fan signal collection and interaction unit is used to obtain the rotation speed information for the cooling fan; pulse width modulation information, and send the pulse width modulation information to the cooling fan to control the cooling fan, further improving the cooling efficiency for the server.

In an optional embodiment of the present invention, the cooling fan is configured with a corresponding input and output expander, and further includes:

The on-position information for the cooling fan is obtained by using the input-output expander; the on-position information is used to generate fault information on the cooling fan.

I/O input/output (Input/Output) is divided into two parts: IO device and IO interface. On POSIX-compatible systems, such as Linux systems [1], I/O operations can be performed in various ways, such as DIO (Direct I/O), AIO (Asynchronous I/O, asynchronous I/O), Memory-Mapped I /O (memory-mapped I/O), etc., different I/O methods have different implementation methods and performances, and different I/O methods can be selected according to the situation in different applications.

In the embodiment of the present invention, a cooling fan may be configured with a corresponding input-output IO expander, and the input-output IO expander may be used to acquire presence information for the cooling fan.

The in-position information can be information expressing whether the cooling fan is in place, that is, the in-position information can determine the disconnection of the cooling fan, for example, a cooling fan should be configured on a certain i2c, if the in-position information of the fan is yes, It means that the i2c is equipped with a cooling fan in normal operation, and if the presence information of the fan is no, it means that the i2c is not configured with a cooling fan, that is, the cooling fan on the node is disconnected.

In the embodiment of the present invention, the input and output IO expander can be used to obtain the presence information for the cooling fan. If the presence information for the cooling fan is abnormal, it can generate fault information for the cooling fan. The fan can be configured with a corresponding fault light. When the input and output IO expander obtains the on-position information for the cooling fan and determines that the cooling fan is disconnected based on the on-position information, it can send a lighting signal to the fault light to control The fault light is on to let the user know that the cooling fan corresponding to the fault light is abnormal.

In the embodiment of the present invention, the presence information for the cooling fan is obtained by using the input and output expander; the presence information is used to generate fault information for the cooling fan, so that the server has The energy to generate fault information in the case of a single bit, further improving the heat dissipation efficiency of the server.

In an optional embodiment of the present invention, a bidirectional two-wire synchronous serial bus connector for the bidirectional two-wire synchronous serial bus is disposed between the main board and the modular fan board, and the bidirectional The two-wire synchronous serial bus connector is used for connecting the bidirectional two-wire synchronous serial bus.

In a specific implementation, in the embodiment of the present invention, a bidirectional two-wire synchronous serial bus connector for connecting to a bidirectional two-wire synchronous serial bus can be configured between the main board and the modular fan board, for example, a socket based on the I2C protocol, This enables the main board and the modular fan board to establish an I2C protocol channel more conveniently, thereby improving the assembly efficiency of the main board and the modular fan board.

In an optional embodiment of the present invention, a power cord is configured between the main board and the modular fan board, and the power cord is configured with power supplies mounted on the main board and the modular fan board respectively. Connector, the power connector is used to electrically connect the motherboard and the modular fan board based on the power cable, so as to provide power to the cooling fan, and/or, the fan control chip, and/or, the The fan signal collection and interaction unit, and/or, the input and output expander supplies power.

In a specific implementation, in the embodiment of the present invention, a power cord can be arranged between the main board and the modular fan board, and a power connector for connecting the power cord can be arranged on the main board and the modular fan board, for example, for unplugging the power cord. Socket, so that the main board and the modular fan board can be electrically connected more conveniently, and then realize the cooling fan, and/or, the fan control chip, and/or, the fan signal collection and interaction unit, and/or, the input and output expansion device for power supply.

In an optional embodiment of the present invention, the motherboard is configured with a baseboard management controller and a programmable logic device, and the baseboard management controller and the programmable logic device are electrically connected to the multiplexer , the programmable logic device is used to determine the channel selection for the multiplexer, the temperature information for the hardware of the server is obtained through the multiplexer, and the temperature information for the temperature information is generated The steps for synchronizing serial bus signals include:

When it is determined that the baseboard management controller has not completed initialization or fails, using the programmable logic device to obtain temperature information for the hardware of the server based on the multiplexer, and generate a temperature information for the temperature information Synchronous serial bus signal;

When it is determined that the baseboard management controller has completed initialization and is operating normally, using the baseboard management controller to obtain temperature information for hardware of the server based on the multiplexer, and generate synchronization for the temperature information serial bus signal.

In practical applications, when the baseboard management controller is not initialized or fails, it is impossible to accurately obtain the temperature information of the hardware device. Therefore, in the embodiment of the present invention, the baseboard management controller and the programmable logic device can be configured for the motherboard at the same time. To save pin occupation, the baseboard management controller and the programmable logic device are electrically connected to the multiplexer to realize multiplexing.

In a specific implementation, the programmable logic device can be used to determine the channel selection for the multiplexer. Exemplarily, under normal circumstances, the baseboard management controller BMC receives the temperature information of the temperature sensor, and according to the set heat dissipation strategy , by adjusting the duty cycle of the PWM signal to adjust the speed of the cooling fan of the server. However, when the server is first powered on, when the baseboard management controller BMC has not been initialized, or when the baseboard management controller BMC fails, the programmable logic device CPLD does not receive the heartbeat indication signal from the BMC, and the programmable logic device CPLD The logic device CPLD can switch the channel selection of I2C MUX by changing the SEL selection signal of I2CMUX, and take over the fan control actively. The synchronous serial bus I2C signal controls the PWM signal connected to the fan control chip to adjust the fan speed of the server so that the fan operates according to the corresponding heat dissipation strategy; when the baseboard management controller BMC is initialized and operates normally, the programmable logic device CPLD receives The heartbeat indication signal sent by the baseboard management controller (BMC) will switch the control right of the fan back to the BMC, and the BMC will adjust the fan speed according to the corresponding cooling strategy.

In the embodiment of the present invention, when it is determined that the baseboard management controller is not initialized or fails, the programmable logic device is used to obtain the temperature information for the hardware of the server based on the multiplexer, and generate A synchronous serial bus signal for the temperature information; when it is determined that the baseboard management controller is initialized and running normally, using the baseboard management controller to acquire hardware information for the server based on the multiplexer Temperature information, and generate a synchronous serial bus signal for the temperature information, thereby avoiding data redundancy caused by hardware multiplexing, and solving the problem that the fan status is not available when the baseboard management controller BMC is not initialized or fails It can improve the reliability and availability of the server itself, ensure the safe and reliable operation of the server, and further improve the heat dissipation efficiency of the server.

In order to enable those skilled in the art to better understand the embodiment of the present invention, the following uses a complete example to describe the embodiment of the present invention.

Referring to FIG. 2 , FIG. 2 is a schematic structural diagram of a modular server fan provided in an embodiment of the present invention.

1) Install the modular server fan system inside the server, and connect the motherboard and the power supply and I2C interface of the modular server fan system through cables or board-to-board connectors;

2), the power connector is used to obtain the corresponding electrical signal from the motherboard to supply power to each device on the modular server fan system; the I2C connector connects the I2C host (BMC or CPLD) on the motherboard and the I2C slave on the modular fan system: Fan control chip and IO expander for communication between master and slave;

3) The fan control chip receives the I2C signal of the main board, adjusts the corresponding fan speed by adjusting the PWM signal duty cycle of the corresponding fan connected to it, and obtains the speed information of each fan through the TACH signal frequency, and transmits it through the I2C signal For the host device; the fan control chip can be a chip such as MAX31790;

4), the IO expander is connected to the in-position pin of each fan connector to obtain the in-position information of each fan;

5) The IO expander is also connected to each fan failure indicator. When the fan is not in place or the fan speed is abnormal, the IO expander lights up the corresponding fan failure indicator by pulling up or down the corresponding GPIO to indicate the status of the fan. Abnormal; the IO expander can be chips such as PCA9535.

Referring to FIG. 3 , FIG. 3 is a schematic structural diagram of another modular server fan provided in an embodiment of the present invention.

1), BMC and CPLD are connected to I2C MUX through I2C signal, and the channel selection of fan MUX is controlled by CPLD;

2) When the BMC is not initialized, or when the BMC fails, the CPLD detects that the BMC heartbeat indicator signal is not triggered. At this time, the CPLD takes over the control of the fan by modifying the SEL signal on the I2C MUX, and the CPLD controls the fan through the I2C signal. The PWM signal connected to the chip adjusts the fan speed of the server;

3) When the BMC is initialized and running normally, the CPLD receives the heartbeat indication signal from the BMC, and switches the control right of the fan back to the BMC, and the BMC adjusts the fan speed according to the corresponding heat dissipation strategy.

Through the above method, the power connector, I2C connector, fan control chip, IO expansion chip, fan connector, fan fault indicator and other components are integrated into the modular fan system, and only the power supply and I2C signal need to be obtained from the main board. It can realize the normal operation of the fan according to the corresponding heat dissipation regulation, and complete the fan in-position check, fault alarm and other functions. The modular design of the server fan system not only simplifies the design of the server, but also greatly reduces the manpower and time costs caused by the design and debugging of the server fan function; at the same time, it ensures that the fan is controlled by the CPLD according to the BMC initialization or failure. The normal operation of the corresponding control strategy does not affect the work of the server itself, ensuring the safe and reliable operation of the server.

It should be noted that, for the method embodiment, for the sake of simple description, it is expressed as a series of action combinations, but those skilled in the art should know that the embodiment of the present invention is not limited by the described action sequence, because According to the embodiment of the present invention, certain steps may be performed in other orders or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification belong to preferred embodiments, and the actions involved are not necessarily required by the embodiments of the present invention.

Referring to FIG. 4 , it shows a structural block diagram of a server cooling device provided in an embodiment of the present invention, which may specifically include the following modules:

A synchronous serial bus signal generation module 401, configured to obtain temperature information for the hardware of the server through the multiplexer, and generate a synchronous serial bus signal for the temperature information;

A synchronous serial bus signal sending module 402, configured to send the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus;

The cooling fan control module 403 is configured to control the cooling fan based on the synchronous serial bus signal through the modular fan board.

Optionally, the modular fan board is equipped with a fan control chip for the cooling fan, the fan control chip is used to receive the synchronous serial bus signal, and the cooling fan control module may include:

The cooling fan control sub-module is configured to use the fan control chip to control the cooling fan based on the synchronous serial bus signal.

Optionally, the modular fan board is equipped with a fan signal collection and interaction unit for the cooling fan, and the cooling fan control submodule may include:

A rotational speed information acquisition unit, configured to acquire rotational speed information for the cooling fan by using the fan signal collection and interaction unit;

a pulse width modulation information generation unit, configured to use the fan control chip to generate pulse width modulation information for the cooling fan based on the rotational speed information and the synchronous serial bus signal, and send the pulse to the cooling fan Width modulation information to control the cooling fan.

Optionally, the cooling fan is configured with a corresponding input and output expander, and may also include:

The presence information acquisition unit is configured to acquire presence information for the cooling fan by using the input-output expander; the presence information is used to generate fault information for the cooling fan.

Optionally, a bidirectional two-wire synchronous serial bus connector for the bidirectional two-wire synchronous serial bus is disposed between the main board and the modular fan board, and the bidirectional two-wire synchronous serial bus connector is used for for connecting the bidirectional two-wire synchronous serial bus.

Optionally, a power cord is configured between the main board and the modular fan board, and the power cord is configured with power connectors mounted on the main board and the modular fan board respectively, and the power connectors are used for Based on the power cord to electrically connect the motherboard and the modular fan board, so as to provide the heat dissipation fan, and/or, the fan control chip, and/or, the fan signal collection and interaction unit, And/or, the input and output expander supplies power.

Optionally, the main board is configured with a baseboard management controller and a programmable logic device, the baseboard management controller and the programmable logic device are electrically connected to the multiplexer, and the programmable logic device uses For determining the channel selection for the multiplexer, the synchronous serial bus signal generation module may include:

The first synchronous serial bus signal generation sub-module is used to use the programmable logic device to obtain the information for the server based on the multiplexer when it is determined that the baseboard management controller has not completed initialization or has failed. temperature information of the hardware, and generating a synchronous serial bus signal for the temperature information;

The second synchronous serial bus signal generating submodule is configured to use the baseboard management controller to obtain hardware for the server based on the multiplexer when it is determined that the baseboard management controller is initialized and running normally temperature information and generate a synchronous serial bus signal for that temperature information.

As for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for related parts, please refer to the part of the description of the method embodiment.

The embodiment of the present invention also discloses a server, the server is configured with a main board and a modular fan board, the modular fan board is configured with a corresponding cooling fan, and a For a corresponding bidirectional two-wire synchronous serial bus, the main board is provided with a multiplexer for the bidirectional two-wire synchronous serial bus, and the server is used to obtain information for the server through the multiplexer The temperature information of the hardware of the computer, and generate a synchronous serial bus signal for the temperature information; send the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus; The modular fan board controls the cooling fan based on the synchronous serial bus signal.

As for the server embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and for related parts, please refer to the part of the description of the method embodiment.

In addition, an embodiment of the present invention also provides an electronic device, including: a processor, a memory, and a computer program stored in the memory and operable on the processor. When the computer program is executed by the processor, the above-mentioned server heat dissipation method is implemented. Each process of the example, and can achieve the same technical effect, in order to avoid repetition, will not repeat them here.

The embodiment of the present invention also provides a computer-readable storage medium. A computer program is stored on the computer-readable storage medium. When the computer program is executed by a processor, each process of the above embodiment of the server heat dissipation method is realized, and the same technology can be achieved. Effect, in order to avoid repetition, will not repeat them here. Wherein, the computer-readable storage medium is, for example, a read-only memory (Read-Only Memory, ROM for short), a random access memory (Random Access Memory, RAM for short), a magnetic disk or an optical disk, and the like.

FIG. 5 is a schematic diagram of a hardware structure of an electronic device implementing various embodiments of the present invention.

The electronic device 500 includes but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, a processor 510, and Power supply 511 and other components. Those skilled in the art can understand that the structure of the electronic device shown in Figure 5 does not constitute a limitation on the electronic device, and the electronic device may include more or fewer components than shown in the figure, or combine some components, or different components layout. In the embodiment of the present invention, electronic devices include but are not limited to mobile phones, tablet computers, notebook computers, palmtop computers, vehicle-mounted terminals, wearable devices, and pedometers.

It should be understood that, in the embodiment of the present invention, the radio frequency unit 501 can be used for receiving and sending signals during sending and receiving information or during a call. Specifically, after receiving the downlink data from the base station, the processor 510 processes it; Uplink data is sent to the base station. Generally, the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 501 can also communicate with the network and other devices through a wireless communication system.

The electronic device provides users with wireless broadband Internet access through the network module 502, such as helping users send and receive emails, browse web pages, and access streaming media.

The audio output unit 503 may convert audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into an audio signal and output as sound. Also, the audio output unit 503 may also provide audio output related to a specific function performed by the electronic device 500 (for example, call signal reception sound, message reception sound, etc.). The audio output unit 503 includes a speaker, a buzzer, a receiver and the like.

The input unit 504 is used for receiving audio or video signals. The input unit 504 may include a graphics processing unit (Graphics Processing Unit, GPU) 5041 and a microphone 5042, and the graphics processor 5041 is used for still pictures or video images obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The data is processed. The processed image frames may be displayed on the display unit 506 . The image frames processed by the graphics processor 5041 may be stored in the memory 509 (or other storage media) or sent via the radio frequency unit 501 or the network module 502 . The microphone 5042 can receive sound, and can process such sound into audio data. The processed audio data can be converted into a format that can be sent to a mobile communication base station via the radio frequency unit 501 for output in the case of a phone call mode.

The electronic device 500 also includes at least one sensor 505, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 5061 according to the brightness of the ambient light, and the proximity sensor can turn off the display panel 5061 and the / or backlighting. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (generally three axes), and can detect the magnitude and direction of gravity when it is still, and can be used to identify the posture of electronic equipment (such as horizontal and vertical screen switching, related games) , magnetometer attitude calibration), vibration recognition-related functions (such as pedometer, knocking), etc.; the sensor 505 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, Infrared sensors, etc., will not be repeated here.

The display unit 506 is used to display information input by the user or information provided to the user. The display unit 506 may include a display panel 5061, and the display panel 5061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode (Organic Light-Emitting Diode, OLED).

The user input unit 507 can be used to receive input numbers or character information, and generate key signal input related to user settings and function control of the electronic device. Specifically, the user input unit 507 includes a touch panel 5071 and other input devices 5072 . The touch panel 5071, also referred to as a touch screen, can collect touch operations of the user on or near it (for example, the user uses any suitable object or accessory such as a finger or a stylus on the touch panel 5071 or near the touch panel 5071). operate). The touch panel 5071 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch orientation, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and sends it to For the processor 510, receive the command sent by the processor 510 and execute it. In addition, the touch panel 5071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 5071 , the user input unit 507 may also include other input devices 5072 . Specifically, other input devices 5072 may include, but are not limited to, physical keyboards, function keys (such as volume control keys, switch keys, etc.), trackballs, mice, and joysticks, which will not be repeated here.

Further, the touch panel 5071 can be covered on the display panel 5061. When the touch panel 5071 detects a touch operation on or near it, it will be sent to the processor 510 to determine the type of the touch event. The type of event provides a corresponding visual output on the display panel 5061 . Although in FIG. 5, the touch panel 5071 and the display panel 5061 are used as two independent components to realize the input and output functions of the electronic device, in some embodiments, the touch panel 5071 and the display panel 5061 can be integrated. The implementation of the input and output functions of the electronic device is not specifically limited here.

The interface unit 508 is an interface for connecting an external device to the electronic device 500 . For example, an external device may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) ports, video I/O ports, headphone ports, and more. The interface unit 508 can be used to receive input from an external device (for example, data information, power, etc.) transfer data between devices.

The memory 509 can be used to store software programs as well as various data. The memory 509 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playback function, an image playback function, etc.); Data created by the use of mobile phones (such as audio data, phonebook, etc.), etc. In addition, the memory 509 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage devices.

The processor 510 is the control center of the electronic device, and uses various interfaces and lines to connect various parts of the entire electronic device, by running or executing software programs and/or modules stored in the memory 509, and calling data stored in the memory 509 , to perform various functions of the electronic equipment and process data, so as to monitor the electronic equipment as a whole. The processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor and a modem processor, wherein the application processor mainly processes the operating system, user interface and application programs, etc., and the modem The processor mainly handles wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 510 .

The electronic device 500 can also include a power supply 511 (such as a battery) for supplying power to various components. Preferably, the power supply 511 can be logically connected to the processor 510 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. and other functions.

In addition, the electronic device 500 includes some functional modules not shown, which will not be repeated here.

It should be noted that, in this document, the term "comprising", "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements, It also includes other elements not expressly listed, or elements inherent in the process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising that element.

Through the description of the above embodiments, those skilled in the art can clearly understand that the methods of the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art can be embodied in the form of software products, and the computer software products are stored in a storage medium (such as ROM/RAM, disk, CD) contains several instructions to make a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) execute the methods described in various embodiments of the present invention.

As shown in FIG. 6 , in another embodiment provided by the present invention, a computer-readable storage medium 601 is also provided. Instructions are stored in the computer-readable storage medium. When the computer-readable storage medium is run on the computer, the computer The method for dissipating heat from a server described in the foregoing embodiments is performed.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, without departing from the gist of the present invention and the protection scope of the claims, many forms can also be made, all of which belong to the protection of the present invention.

Those of ordinary skill in the art can appreciate that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed in the embodiments of the present invention can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed by hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may use different methods to implement the described functions for each specific application, but such implementation should not be regarded as exceeding the scope of the present invention.

Those skilled in the art can clearly understand that for the convenience and brevity of the description, the specific working process of the above-described system, device and unit can refer to the corresponding process in the foregoing method embodiment, which will not be repeated here.

In the embodiments provided in this application, it should be understood that the disclosed devices and methods may be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or May be integrated into another system, or some features may be ignored, or not implemented. In another point, the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.

The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.

If the functions described above are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on this understanding, the essence of the technical solution of the present invention or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in various embodiments of the present invention. The aforementioned storage medium includes: various media capable of storing program codes such as U disk, mobile hard disk, ROM, RAM, magnetic disk or optical disk.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims (11)

1. A method for cooling a server, the method being applied to the server, the server being configured with a motherboard and a modular fan board, the modular fan board being configured with a corresponding cooling fan, a corresponding bidirectional two-wire synchronous serial bus being configured between the motherboard and the modular fan board, the motherboard being provided with a multiplexer for the bidirectional two-wire synchronous serial bus, comprising:

acquiring temperature information of hardware aiming at the server through the multiplexer, and generating a synchronous serial bus signal aiming at the temperature information;

transmitting the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus;

the cooling fan is controlled by the modular fan board based on the synchronous serial bus signal.

2. The method of claim 1, wherein the modular fan board carries a fan control chip for the cooling fan, the fan control chip for receiving the synchronous serial bus signal, the step of controlling the cooling fan based on the synchronous serial bus signal by the modular fan board comprising:

And controlling the cooling fan based on the synchronous serial bus signal by adopting the fan control chip.

3. The method of claim 2, wherein the modular fan board is equipped with a fan signal collection and interaction unit for the cooling fan, the step of controlling the cooling fan based on the synchronous serial bus signal using the fan control chip comprising:

acquiring rotating speed information aiming at the cooling fan by adopting the fan signal collecting and interacting unit;

and generating pulse width modulation information for the cooling fan based on the rotating speed information and the synchronous serial bus signal by adopting the fan control chip, and sending the pulse width modulation information to the cooling fan so as to control the cooling fan.

4. The method of claim 3, wherein the cooling fan is configured with a corresponding input-output extender, further comprising:

acquiring in-place information aiming at the cooling fan by adopting the input-output expander; the in-place information is used for generating fault information for the cooling fan.

5. The method of claim 1 or 2 or 3 or 4, wherein a bi-directional two-wire synchronous serial bus connector for the bi-directional two-wire synchronous serial bus is configured between the motherboard and the modular fan board, the bi-directional two-wire synchronous serial bus connector for connecting the bi-directional two-wire synchronous serial bus.

6. The method according to claim 1 or 2 or 3 or 4, wherein a power cord is arranged between the motherboard and the modular fan board, the power cord being arranged with power connectors respectively carried on the motherboard and the modular fan board, the power connectors being adapted to electrically connect the motherboard and the modular fan board based on the power cord for powering the radiator fan and/or the fan control chip and/or the fan signal collection and interaction unit and/or the input-output extender.

7. The method of claim 1, wherein the motherboard is configured with a baseboard management controller and a programmable logic device electrically connected to the multiplexer, the programmable logic device for determining channel selections for the multiplexer, the step of obtaining temperature information for hardware of the server through the multiplexer, and generating a synchronous serial bus signal for the temperature information comprising:

when the baseboard management controller is judged to not complete initialization or to be in fault, acquiring temperature information of hardware aiming at the server based on the multiplexer by adopting the programmable logic device, and generating a synchronous serial bus signal aiming at the temperature information;

When the baseboard management controller is judged to finish initialization and normally run, the baseboard management controller is adopted to acquire temperature information of hardware aiming at the server based on the multiplexer, and a synchronous serial bus signal aiming at the temperature information is generated.

8. A server heat sink, the device being applied to a server, the server being configured with a motherboard and a modular fan board, the modular fan board being configured with a corresponding heat dissipation fan, a corresponding bidirectional two-wire synchronous serial bus being configured between the motherboard and the modular fan board, the motherboard being provided with a multiplexer for the bidirectional two-wire synchronous serial bus, comprising:

the synchronous serial bus signal generation module is used for acquiring temperature information of hardware aiming at the server through the multiplexer and generating a synchronous serial bus signal aiming at the temperature information;

the synchronous serial bus signal transmitting module is used for transmitting the synchronous serial bus signal to the modularized fan board through the bidirectional two-wire synchronous serial bus;

and the cooling fan control module is used for controlling the cooling fan based on the synchronous serial bus signal through the modularized fan plate.

9. A server, characterized in that the server is configured with a main board and a modularized fan board, the modularized fan board is configured with a corresponding cooling fan, a corresponding bidirectional two-wire synchronous serial bus is configured between the main board and the modularized fan board, the main board is provided with a multiplexer for the bidirectional two-wire synchronous serial bus, and the server is used for acquiring temperature information of hardware for the server through the multiplexer and generating a synchronous serial bus signal for the temperature information; transmitting the synchronous serial bus signal to the modular fan board through the bidirectional two-wire synchronous serial bus; the cooling fan is controlled by the modular fan board based on the synchronous serial bus signal.

10. An electronic device comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other via the communication bus;

the memory is used for storing a computer program;

the processor is configured to implement the method according to any one of claims 1-8 when executing a program stored on a memory.

11. A computer-readable storage medium having instructions stored thereon, which when executed by one or more processors, cause the processors to perform the method of any of claims 1-8.