CN115981440A - Server and power supply system - Google Patents

Abstract

The application relates to a server and a power supply system. The method comprises the following steps: the first voltage conversion circuit is connected with an external high-voltage direct-current bus and used for converting the voltage output by the high-voltage direct-current bus into a first low voltage; the second voltage conversion circuit is connected with the high-voltage direct-current bus and used for converting the voltage output by the high-voltage direct-current bus into a second low voltage, and the second low voltage is higher than the first low voltage; the mainboard is provided with a first electric device and a second electric device, wherein the first electric device is connected with the first voltage conversion circuit, and the second electric device is respectively connected with the first voltage conversion circuit and the second voltage conversion circuit. By adopting the method, the loss of the whole power supply system can be reduced, and the cost of the power supply system can be effectively reduced while the large-current and high-power supply is realized.

Description

Server and power supply system

Technical Field

The present application relates to the field of server power supply technologies, and in particular, to a server and a power supply system.

Background

With the rapid development of the AI server and the high-density storage server, the power supply requirements of the AI server and the high-density storage server are higher and higher, the power supply of the server gradually turns to the high-power high-density development, the power supply efficiency requirements are also raised, and great challenges are brought to the power supply design of the whole system.

Currently, the mainstream server power supply architecture in the market generally converts 220V dc power into 12V dc power by a CRPS dc power supply so as to supply power to the system.

However, in order to provide higher current in a high-power and high-performance computing situation, a 12V dc power supply system needs to provide a plurality of power chips connected in parallel, and accordingly, more board card area needs to be occupied, or more layers of board cards PCB need to be stacked, which leads to higher cost.

Disclosure of Invention

In view of the above, it is desirable to provide a server and a power supply system with low cost.

In a first aspect, the present application provides a server, comprising: the first voltage conversion circuit is connected with an external high-voltage direct-current bus and used for converting the voltage output by the high-voltage direct-current bus into a first low voltage; the second voltage conversion circuit is connected with the high-voltage direct-current bus and used for converting the voltage output by the high-voltage direct-current bus into a second low voltage, and the second low voltage is higher than the first low voltage; the mainboard is provided with a first electric device and a second electric device, wherein the first electric device is connected with the first voltage conversion circuit, and the second electric device is respectively connected with the first voltage conversion circuit and the second voltage conversion circuit.

In one embodiment, the first electrical device is an electrical device with power less than a preset threshold, and the second electrical device is an electrical device with power greater than the preset threshold.

In one embodiment, the first electrical device comprises at least one of: the system comprises a fan, a hard disk, a BMC and a first processor.

In one embodiment, the second electrical device comprises a second processor.

In one embodiment, the second processor includes a nuclear power and a non-nuclear power; the core power is connected with the second voltage conversion circuit, and the non-core power is connected with the first voltage conversion circuit.

In one embodiment, a power conversion circuit is further disposed on the main board, and the power conversion circuit is disposed between the first voltage conversion circuit and the first electric device, and is configured to convert the first low voltage into a target low voltage compatible with the first electric device.

In one embodiment, the first low voltage is 12V and the second low voltage is 48V.

In one embodiment, the server is a blade server.

In a second aspect, the present application further provides a power supply system, which includes a high voltage dc bus and at least one server according to any one of the first aspect; the high-voltage direct-current bus is connected with the first voltage conversion circuit and the second voltage conversion circuit of each server.

In one embodiment, the high-voltage direct-current bus is provided with a power supply connector; the high-voltage direct current bus is connected with the first voltage conversion circuit and the second voltage conversion circuit of each server through the power supply connector.

Above-mentioned server and power supply system, this server includes: the first voltage conversion circuit is connected with a peripheral high-voltage direct-current bus and can convert the voltage output by the high-voltage direct-current bus into a first low voltage, the first low voltage is used for supplying power to a first electric appliance and a second power supply, the second voltage conversion circuit is also connected with the high-voltage direct-current bus and converts the voltage output by the high-voltage direct-current bus into a second low voltage, and the second low voltage is used for supplying power to the second power supply. The application provides a server adopts high voltage direct current input, can effectively reduce the source to the loss on the server entry end cable, and this server adopts 12V and 48V hybrid power supply mode moreover, has avoided need to set up the problem that just can provide higher electric current of a plurality of parallelly connected power chips, consequently, when satisfying the powerful demand of part consumer heavy current, can also effectual the cost is reduced.

Drawings

FIG. 1 is a schematic diagram of a server in one embodiment;

FIG. 2 is a block diagram of a server in one embodiment;

fig. 3 is a schematic structural diagram of a server in one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

With the rapid development of the AI server and the high-density storage server, the power supply requirements of the AI server and the high-density storage server are higher and higher, the power supply of the server gradually turns to the high-power high-density development, the power supply efficiency requirements are also raised, and great challenges are brought to the power supply design of the whole system.

Currently, the mainstream server power supply architecture in the market generally converts 220V dc power into 12V dc power by a CRPS dc power supply so as to supply power to the system.

However, in order to provide higher current in a high-power and high-performance computing situation, a 12V dc power supply system needs to provide a plurality of power chips connected in parallel, and accordingly, more board card area needs to be occupied, or more layers of board cards PCB need to be stacked, which leads to higher cost.

In view of this, the embodiments of the present application provide a server that can provide higher current with lower cost.

In one embodiment, as shown in fig. 1, there is provided a server 100, the server 100 comprising: a first voltage conversion circuit 101, a second voltage conversion circuit 102, and a main board 103.

The first voltage conversion circuit 101 is connected to an external high-voltage dc bus 104, and is configured to convert a voltage output by the high-voltage dc bus 104 into a first low voltage.

And a second voltage conversion circuit 102 connected to the high voltage dc bus 104 for converting the voltage output from the high voltage dc bus 104 into a second low voltage, wherein the second low voltage is higher than the first low voltage.

The main board 103 is provided with a first electric device 105 and a second electric device 106, wherein the first electric device 105 is connected to the first voltage conversion circuit 101, and the second electric device 106 is connected to the first voltage conversion circuit 101 and the second voltage conversion circuit 102, respectively.

The server 100 is a kind of computer, it runs faster and has higher load than the ordinary computer, the server provides calculation or application service for other clients (such as PC, smart phone, ATM and other terminals and even large-scale equipment such as train system) in the network, the server has high-speed CPU operation ability, long-time reliable operation, strong I/O external data throughput ability and better expansibility.

In an alternative embodiment, the server 100 may be a tower server, a rack server, a high-density server, or a blade server.

The Tower Server (Tower Server) is the most common and most understandable Server structure type, the appearance and structure of the Tower Server are similar to a vertical PC, and the main board expansibility of the Tower Server is strong, and the number of slots is large, so that the main board of the Tower Server is larger than that of a common main board, and further, the main machine case of the Tower Server is larger than that of a standard ATX case, therefore, enough internal space generally needs to be reserved for redundant expansion of hard disks and power supplies in the future.

The rack server is installed in a standard 19-inch cabinet, the rack server has various specifications, such as 1U (4.445 cm high), 2U, 4U, 6U, 8U and the like, generally, the 1U rack server saves most space, but has poor performance and expandability and is suitable for the application field with relatively fixed services, the rack server with more than 4U has high performance and good expandability, generally supports more than 4 high-performance processors and a large number of standard hot plug parts, but has larger volume and low space utilization rate, saves more space compared with a tower server, and has poor heat dissipation due to compact space.

The high-density server refers to an optimized architecture server which is pushed out aiming at cloud computing, a data center and Internet application, the high-density server can integrate more processors and V/0 expansion capacity in a smaller physical space, the space cost of a client is greatly reduced, the calculation performance is remarkably improved, meanwhile, the user requirements are met, the high-density server is flexible and expandable in specific industry requirements, the high-density server is different from the design that an ordinary rack server uses an independent power supply and a fan, the power supply and the fan are shared by a plurality of server nodes in the same case, the use efficiency of the power supply and a heat dissipation system is greatly improved, and the whole machine is lighter in weight and lower in cost.

The blade server is a low-cost server platform which is specially designed for special application industries and high-density computer environments, and has a main structure of a large main case, a plurality of blades can be inserted into the large main case, wherein each blade is actually a system mainboard.

In a possible implementation mode, the operation management cost can be greatly reduced by adopting the blade server, the blade server has high processing capacity density, the space and the occupied land cost can be saved, the power consumption of the blade server is lower, the electricity charge can be reduced, and compared with other servers, the blade server is more perfect in reliability design and can effectively reduce the downtime.

The high voltage dc bus 104 refers to a product that can be used to transmit electric power and has the ability to collect and distribute electric power, and the high voltage dc bus 104 is a main conductor for transmitting electric power.

Alternatively, the high-voltage dc power of the external power grid may be led to the high-voltage dc bus 104 via a power supply cable, so that the high-voltage dc bus 104 may transmit voltage.

In a possible implementation manner, the voltage output by the high-voltage direct current bus 104 may be 220V voltage or 380V voltage.

As described above, the first voltage conversion circuit 101 is connected to the external high-voltage dc bus 104.

In a possible implementation manner, the first voltage conversion circuit 101 is electrically connected to the peripheral high-voltage direct-current bus 104.

The first voltage conversion circuit 101 may be configured to convert a voltage output by the high voltage dc bus 104 into a first low voltage.

In an alternative embodiment, the first low voltage may be 12V.

In a possible implementation manner, a transformer may be disposed in the first voltage conversion circuit 101, and then the voltage output by the high voltage dc bus 104 is converted into a first low voltage, i.e. 12V voltage, by the transformer, and assuming that the voltage output by the high voltage dc bus 104 is 220V, the 220V voltage may be converted into 12V voltage by the transformer disposed in the first voltage conversion circuit 101.

In an alternative embodiment of the present application, multiple sets of transformers may be disposed in the first voltage conversion circuit 101 to convert the voltage output by the high-voltage dc bus 104 into the first low voltage, where the multiple sets of transformers may be connected in series or in parallel, and the specifications of the multiple sets of transformers may be the same or different, and this embodiment is not limited in this application.

In another possible implementation manner, the conversion of the voltage output by the high-voltage direct-current bus 104 into 12V voltage can also be realized by using a linear three-terminal regulator 7812.

In another possible implementation manner, the conversion of the voltage output by the high-voltage direct-current bus 104 into 12V voltage can also be realized by using an LM2596 switching power supply chip.

In another possible implementation manner, the voltage output by the high-voltage direct-current bus 104 can be converted into 12V voltage by using a flyback 12V power supply circuit composed of an optocoupler, a TL431 reference source and the like.

The second voltage conversion circuit 102 may be configured to convert the voltage output by the high voltage dc bus 104 to a second low voltage.

In an alternative embodiment, the second low voltage may be 48V.

In a possible implementation manner, a transformer may also be disposed in the second conversion circuit 102, and then the voltage output by the high voltage dc bus 104 is converted into a second low voltage, i.e. a 48V voltage, by the transformer, and assuming that the voltage output by the high voltage dc bus 104 is 220V, the 220V voltage may be converted into the 48V voltage by the transformer disposed in the second voltage conversion circuit 102.

Similarly to the above, in an alternative embodiment of the present application, multiple sets of transformers may be disposed in the second voltage converting circuit 102 to convert the voltage output by the high-voltage dc bus 104 into a second low voltage, where the multiple sets of transformers may be connected in series or in parallel, and specifications of the multiple sets of transformers may be the same or different, and the embodiment of the present application is not limited thereto.

In another possible implementation manner, the conversion of the voltage output by the high-voltage direct-current bus 104 into 48V voltage can also be realized by using a linear three-terminal regulator 7812.

In another possible implementation manner, the conversion of the voltage output by the high-voltage direct-current bus 104 into 48V voltage can also be realized by using an LM2596 switching power supply chip.

In another possible implementation manner, the conversion of the voltage output by the high-voltage direct-current bus 104 into a 48V voltage may also be implemented by using a flyback 12V power supply circuit composed of an optocoupler, a TL431 reference source, and the like.

As described above, the peripheral high-voltage dc bus 104 is directly connected to the first voltage conversion circuit 101 and the second voltage conversion circuit 102, and under the condition of the same load power, compared with the direct input mode of other non-high-voltage dc buses, the loss from the source to the cable at the inlet end of the server is effectively reduced, thereby reducing the cost.

The motherboard 103, which is also called a motherboard, a system board, or a motherboard, is installed in a computer main chassis, is one of the most basic and important components of a computer, and plays a role in the whole computer system, the manufacturing quality of the motherboard determines the stability of a hardware system, the motherboard can be used for transmitting various electronic signals, and the components in the computer main chassis are connected through the motherboard, the computer must operate and control system memories, storage devices, and other I/O devices in normal operation through the motherboard, whether the performance of the computer can be fully exerted, whether the hardware functions are sufficient, and how the hardware compatibility is, etc., all depend on the design of the motherboard, and the quality of the motherboard determines the overall performance, the service life, and the function expansion capability of a computer to some extent.

The main board 103 is provided with a first electric device 105 and a second electric device 106.

In an alternative embodiment, the first electrical device 105 is a powered device with a power less than a preset threshold, and the second electrical device 106 is a powered device with a power greater than the preset threshold.

The preset threshold value may be set in advance by a technician, and the preset threshold value may be used to determine the power level of the power consumption device.

In an alternative embodiment, the first electrical device may comprise at least one of the following: the system comprises a fan, a hard disk, a BMC and a first processor.

Wherein the first electric device 105 is connected to the first voltage converting circuit 101.

In one possible implementation, the first electric device 105 and the first voltage conversion circuit 101 are electrically connected, so that the first low voltage output by the first voltage conversion circuit 101 can supply power to the first electric device 105.

The fan is referred to as a motherboard fan and can be used for heat dissipation.

The hard disk is the most important storage device of the computer and can be used for storing data.

In a possible implementation manner, the hard disk may be a solid state hard disk, that is, a hard disk manufactured by using a solid state electronic memory chip array, and the solid state hard disk is composed of a control unit and a storage unit (a FLASH chip, a DRAM chip). The specification, definition, function and use method of the interface of the solid state disk are completely the same as those of a common hard disk, the appearance and the size of the product are also completely consistent with those of the common hard disk, and the solid state disk can be applied to the fields of military affairs, vehicle-mounted, industrial control, video monitoring, network terminals, electric power, medical treatment, aviation, navigation equipment and the like.

In another possible implementation, the hard disk may also be a hybrid hard disk that includes both a conventional hard disk and a mass storage device that includes flash memory modules, where the most frequent data may be written or recovered.

In another possible implementation, the hard disk may also be a conventional hard disk, which is the most basic computer memory.

The BMC refers to a baseboard management controller, and the baseboard management controller can realize functions of relevant control, information supervision and the like of a server and is a platform for visually presenting server information.

In one possible implementation, the substrate controller may be used to provide IPMI v1.5 LAN messages for remote system management, including system status monitoring, backplane controls for reboot, power back, power down, FRU information, entries for small amount of SEL information, BIOS protection and selection,

in another possible implementation, the substrate controller may also be used to provide IPMI v1.5 messages for local system manageability.

In another possible implementation, the baseboard controller can also be used to sign LAN messages with MD5 to ensure the security of remote connections.

In another possible implementation, the substrate controller may also be used to autonomously perform system health monitoring and generate corrective actions for serious events.

In another possible implementation, the substrate controller may also be used for LAN alerts.

In an alternative embodiment, the first electric device may further include: CPLD, memory.

The CPLD (Complex Programmable Logic Device) refers to a digital integrated circuit in which a user constructs Logic functions according to their own needs, and is a Logic element that is more Complex than a PLD.

The memory can be used for temporarily storing operation data in the CPU and data exchanged with an external memory such as a hard disk, and is an important part of the computer, which is also called an internal memory and a main memory.

In an alternative embodiment, as shown in fig. 2, a power conversion circuit 107 is further disposed on the main board, and the power conversion circuit 107 is disposed between the first voltage conversion circuit 101 and the first electric device 105 for converting the first low voltage into a target low voltage compatible with the first electric device 105.

The target low voltage is a voltage adapted to the first electric device 105 and output by the power conversion circuit 107, and since the first low voltage is 12V, the first electric device 105 includes a plurality of electric devices and the operating voltages required by different electric devices are different, the power conversion circuit 107 needs to be provided to convert the first low voltage into the voltages required by different first electric devices 105.

In one possible implementation, the power conversion circuit 107 may convert the first low voltage into a target low voltage compatible with each of the different first electric devices 105 by using a multi-phase power supply, which refers to a power supply formed by a plurality of voltage reduction circuits connected in parallel.

In another possible implementation, the power conversion circuit 107 may convert the first low voltage to a target low voltage compatible with each of the different first electrical devices 105 via a POL power source, i.e., a point-of-load power source.

In an alternative embodiment of the present application, a power conversion circuit 107 may be disposed on the motherboard, and the power conversion circuit 107 may have a plurality of output ports, each of which is connected to a different first electric device 105, and each of which outputs a voltage of different magnitude, so that the target voltage adapted to the different first electric devices 105 can be provided by the power conversion circuit 107.

For example, a power conversion circuit 107 may be disposed on the motherboard, the power conversion circuit 107 may have 3 output ports, a first output port is connected to the fan, a second output port is connected to the hard disk, a third output port is connected to the BMC, the first output port outputs a voltage, the second output port outputs B voltage, and the third output port outputs C voltage, so that the power conversion circuit 107 may be disposed to output a voltage for the fan, B voltage for the hard disk, and C voltage for the BMC.

In an alternative embodiment of the present application, a plurality of power conversion circuits 107 may be disposed on the motherboard, the plurality of power conversion circuits 107 are connected to different first electric devices 105, and each power conversion circuit 107 outputs a voltage with a different magnitude, so that the plurality of power conversion circuits 107 can provide adaptive target voltages for different first electric devices 105.

For example, three power conversion circuits 107 may be disposed on the motherboard, wherein a first power conversion circuit 107 is connected to the fan, a second power conversion circuit 107 is connected to the hard disk, and a third power conversion circuit 107 is connected to the BMC, where the first power conversion circuit 107 outputs a voltage, the second power conversion circuit 107 outputs B voltage, and the third power conversion circuit 107 outputs C voltage, and thus, by disposing the three power conversion circuits 107, the fan can output a voltage, the hard disk can output B voltage, and the BMC can output C voltage.

In an alternative embodiment, the second electrical device 106 comprises a second processor.

The power supply portion of the second processor includes a high power nuclear power and a low current non-nuclear power point-of-load power supply.

In a possible implementation, the second electrical component may be a CPU or a GPU.

The CPU (Central Processing Unit), also called a Central Processing Unit, is an arithmetic Core (Core) and a Control Core (Control Unit) of a computer, and its main components include an Arithmetic Logic Unit (ALU) for performing arithmetic and logic operations, a processor register for providing operands to the ALU and storing the result of the ALU operation, and a Control Unit for coordinating the extraction (from memory) and execution of instructions, and the ONS coordinates the operations by directing the ALU, the register, and other components.

In a possible implementation manner, the CPU may be configured to process instructions, that is, processing instructions, which refer to the execution sequence of instructions in a control program, and the instructions in the program have a strict sequence, and must be executed in the sequence strictly specified by the program to ensure the correctness of the operation of the computer system.

In another possible implementation manner, the CPU may also be configured to perform operations, and in practical applications, a function of an instruction is often implemented by a component in the computer performing a series of operations, and the CPU is to generate a corresponding operation control signal according to the function of the instruction, and send the operation control signal to the corresponding component, so as to control the components to perform actions according to the instruction.

In another possible implementation, the CPU can also be used to control the timing of the execution of the various operations, and the time at which the operations are performed during the execution of an instruction is strictly controlled, so that the computer can only operate in a systematic manner.

In another possible implementation, the CPU may also be used to process data, i.e. to perform arithmetic and logical operations on data, or to perform other information processing. Its functions are mainly to interpret computer instructions and process data in computer software and to execute the instructions.

In the embodiment of the present application, the second processor may be a GPU, i.e., a graphics processor, which may also be referred to as a display core, a visual processor, a display chip, and the like, and is a microprocessor that is dedicated to perform operations related to images and graphics on a personal computer, a workstation, a game console, and some mobile devices (e.g., a tablet computer, a smart phone, and the like).

In one possible implementation, the GPU may be used for vertex processing, that is, the GPU reads vertex data describing the appearance of the 3D graphics and determines the shape and position relationship of the 3D graphics according to the vertex data to establish a skeleton of the 3D graphics.

In another possible implementation manner, the GPU may also be used for rasterization calculation, and the image actually displayed by the display is composed of pixels, so that points and lines on the generated graph need to be converted into corresponding pixel points through a certain algorithm, and the process of converting a vector graph into a series of pixel points is called rasterization.

In another possible implementation, the GPU may also be used for texture mapping, where the polygons generated by the vertex units only form the outlines of 3D objects, and the texture mapping operation completes the mapping of the multi-deformed surfaces, in colloquial, that is, the surfaces of the polygons are mapped with corresponding pictures, so as to generate "real" graphics.

In another possible implementation, the GPU may also be used for pixel processing, and the GPU determines the final attribute of each pixel by performing computations and processing on the pixels.

In an alternative embodiment, as shown in fig. 3, the second processor comprises a core power 1061 and a non-core power 1062, and the second electrical device 106 is connected to the first voltage conversion circuit 101 and the second voltage conversion circuit 102, respectively.

The core power 1061 is connected to the second voltage conversion circuit 102, and the non-core power 1062 is connected to the first voltage conversion circuit 101.

The core power 1061 refers to a main power supply unit of the second processor, the power supply current of the core power 1061 is relatively large, the non-core power 1062 refers to a non-main power supply unit of the second processor, and the power supply current of the non-core power 1062 is relatively small.

In a possible implementation manner, the second voltage conversion circuit 102 is electrically connected to the core power 1061 to supply power to the core power 1061, and the first voltage conversion circuit 101 is electrically connected to the non-core power 1062 to supply power to the non-core power 1062, because the power of the core power 1062 is high and the first low voltage output by the first voltage conversion circuit 101 cannot support the power requirement thereof, the second low voltage output by the second voltage conversion circuit 102 is required to supply power to the non-core power 1062, and the power of the second processor non-core power 1062 is low and is lower than a preset threshold, the first low voltage output by the first voltage conversion circuit 101 can meet the power requirement thereof, so the first low voltage output by the first voltage conversion circuit 101 supplies power to the non-core power 1062.

The method for supplying power to the core power 1061 by using the second low voltage output by the second voltage conversion circuit 102 and supplying power to the non-core power 1062 by using the first low voltage output by the first voltage conversion circuit 101 can effectively reduce the cost, and if only 12V voltage is used for supplying power, the problem that large power cannot be supplied to the second processor core can occur, and if the problem is to be solved, a plurality of parallel power chips need to be arranged, and then more board cards need to be provided, so that the cost is increased.

In an optional embodiment, a second power conversion circuit is further disposed on the motherboard, and the second power conversion circuit is disposed between the second voltage conversion circuit and the second electrical device, and is configured to convert the second low voltage into a voltage suitable for the second electrical device, where the second low voltage is 48V, and the second electrical device includes a plurality of electrical devices, and the operating voltages required by different electrical devices are also different, so that a power conversion circuit needs to be disposed to convert the second low voltage into voltages required by different second electrical devices.

In one possible implementation, a 48V to 1V power module may be provided in the second power conversion circuit to convert the second low voltage into a voltage compatible with the second electrical device.

In an optional embodiment, a third power conversion circuit is further disposed on the main board, and the third power conversion circuit is disposed between the first voltage conversion circuit and the second electrical device, and is configured to convert the first low voltage into a voltage suitable for the second electrical device.

In a possible implementation manner, a power conversion chip may be provided in the third power conversion circuit to realize conversion of the second low voltage into a voltage adapted to the second electrical device.

Similarly to the above, in the optional embodiment of the present application, one second power conversion circuit may be provided, or a plurality of second power conversion circuits may be provided, and in the case of providing one second power conversion circuit, the one second power conversion circuit may include a plurality of output ports, and similarly, in the optional embodiment of the present application, one third power conversion circuit may be provided, or a plurality of third power conversion circuits may be provided, and in the case of providing one third power conversion circuit, the one third power conversion circuit may include a plurality of output ports.

The embodiment of the application also provides a power supply system, which comprises the high-voltage direct-current bus and the server in any one of the following embodiments.

It should be noted that, in the power supply system provided in the embodiment of the present application, the number of the servers may be 1 or multiple, and in the case that the number of the servers is multiple, the multiple servers are all connected to the high-voltage direct current bus, and specifically, the first voltage conversion circuit and the second voltage conversion circuit in the multiple servers are all connected to the high-voltage direct current bus.

In one embodiment, the server comprises a first voltage conversion circuit, a second voltage conversion circuit and a third voltage conversion circuit, wherein the first voltage conversion circuit is connected with a high-voltage direct current bus of an external device and is used for converting the voltage output by the high-voltage direct current bus into a first low voltage; the second voltage conversion circuit is connected with the high-voltage direct-current bus and used for converting the voltage output by the high-voltage direct-current bus into a second low voltage, and the second low voltage is higher than the first low voltage; the mainboard is provided with a first electric device and a second electric device, wherein the first electric device is connected with the first voltage conversion circuit, and the second electric device is respectively connected with the first voltage conversion circuit and the second voltage conversion circuit.

In one embodiment, the first electrical device is an electrical device with power less than a preset threshold, and the second electrical device is an electrical device with power greater than the preset threshold.

In one embodiment, the first electrical device comprises at least one of:

the system comprises a fan, a hard disk, a BMC and a first processor.

In one embodiment, the second electrical device comprises a second processor.

In one embodiment, the second processor includes a nuclear power and a non-nuclear power;

the core power is connected with the first voltage conversion circuit, and the non-core power is connected with the second voltage conversion circuit.

In one embodiment, a power conversion circuit is further disposed on the main board, and the power conversion circuit is disposed between the first voltage conversion circuit and the first electric device, and is configured to convert the first low voltage into a target low voltage compatible with the first electric device.

In one embodiment, the first low voltage is 12V and the second low voltage is 48V.

In one embodiment, the server is a blade server.

In one embodiment, the high voltage dc bus is connected to the first voltage conversion circuit and the second voltage conversion circuit of each server.

In one embodiment, the high-voltage direct current bus is provided with a power supply connector;

the high-voltage direct current bus is connected with the first voltage conversion circuit and the second voltage conversion circuit of each server through the power supply connector.

In an optional embodiment of the present application, one power supply connector may be disposed on the high-voltage dc bus, or a plurality of power supply connectors may be disposed on the high-voltage dc bus, and in a case where a plurality of power supply connectors are disposed, the number of the power supply connectors corresponds to the number of servers included in the power supply system one to one.

In the case that one power supply connector is provided, the first voltage conversion circuit and the second voltage conversion circuit in each server are connected to the power supply connector in a gathering manner so as to be connected to the high-voltage direct-current bus through the power supply connector.

In the case that a plurality of power supply connectors are arranged, the first voltage conversion circuit and the second voltage conversion circuit in each server are respectively connected to the corresponding power supply connector in a gathering mode so as to be connected to the high-voltage direct-current bus through the corresponding power supply connector.

In an alternative embodiment of the present application, as described above, a high voltage dc bus refers to a product that can be used to transmit electrical energy and that has the ability to collect and distribute electrical power, the high voltage dc bus being the main conductor for transmitting electrical energy.

Alternatively, the high-voltage direct current of the external power grid can be led to the high-voltage direct current busbar 104 via a supply cable, so that the high-voltage direct current busbar can transmit voltage.

In a possible implementation manner, the voltage output by the high-voltage direct current bus can be 220V voltage or 380V voltage.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A server, characterized in that the server comprises:

the first voltage conversion circuit is connected with an external high-voltage direct-current bus and used for converting the voltage output by the high-voltage direct-current bus into a first low voltage;

the second voltage conversion circuit is connected with the high-voltage direct-current bus and is used for converting the voltage output by the high-voltage direct-current bus into a second low voltage, and the second low voltage is higher than the first low voltage;

the mainboard is provided with a first electric device and a second electric device, wherein the first electric device is connected with the first voltage conversion circuit, and the second electric device is respectively connected with the first voltage conversion circuit and the second voltage conversion circuit.

2. The server according to claim 1, wherein the first electrical device is an electrical device with power less than a preset threshold, and the second electrical device is an electrical device with power greater than the preset threshold.

3. The server of claim 2, wherein the first powered device comprises at least one of:

the system comprises a fan, a hard disk, a BMC and a first processor.

4. The server of claim 2, wherein the second electrical device comprises a second processor.

5. The server of claim 4, wherein the second processor comprises a nuclear power and a non-nuclear power;

the nuclear power is connected with the second voltage conversion circuit, and the non-nuclear power is connected with the first voltage conversion circuit.

6. The server according to any one of claims 1 to 5, wherein a power conversion circuit is further disposed on the motherboard, and the power conversion circuit is disposed between the first voltage conversion circuit and the first electric device, and is configured to convert the first low voltage into a target low voltage compatible with the first electric device.

7. The server according to any one of claims 1 to 5, wherein the first low voltage is 12V and the second low voltage is 48V.

8. The server according to any one of claims 1 to 5, wherein the server is a blade server.

9. An electrical power supply system, characterized in that the electrical power supply system comprises a high voltage direct current bus and at least one server according to any one of claims 1 to 8;

the high-voltage direct current bus is connected with the first voltage conversion circuit and the second voltage conversion circuit of each server.

10. The power supply system of claim 9, wherein a power supply connector is provided on the high voltage dc bus;

the high-voltage direct current bus is connected with the first voltage conversion circuit and the second voltage conversion circuit of each server through the power supply connector.

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