CN106647958B

CN106647958B - Server cabinet

Info

Publication number: CN106647958B
Application number: CN201510732565.3A
Authority: CN
Inventors: 林炳立
Original assignee: Shencloud Technology Co Ltd; Shunda Computer Factory Co Ltd
Current assignee: Shencloud Technology Co Ltd; Shunda Computer Factory Co Ltd
Priority date: 2015-10-29
Filing date: 2015-10-29
Publication date: 2020-01-31
Anticipated expiration: 2035-10-29
Also published as: CN106647958A

Abstract

A server cabinet comprises buses, 0 fan backboards, 1 nodes and 2 cabinet backboards, wherein the nodes comprise 3 mainboards and 4 power distribution boards, the buses receive th output power from power supplies, hot plug controllers arranged on the power distribution boards receive the output power of the 3552 to output second output power, the hot plug controllers provide the second output power as power sources of a plurality of computer components arranged on the mainboards, when the hot plug controllers detect and determine that the second output power is abnormal, the hot plug controllers do not output the second output power, microcontrollers arranged on the cabinet backboards use the th output power as power sources to know whether the second output power is abnormal or not.

Description

Server cabinet

Technical Field

The invention relates to cabinets, in particular to server cabinets.

Background

The conventional Power supply design of the server Rack receives output Power from at least Power supplies through buses (Bus Bar), and provides the output Power to Power Distribution Boards (PDB), then outputs the output Power to Rack Back Planes (RBP) and Motherboards (MB), and provides the output Power to Fan Back Planes (FBP).

In this conventional power supply design of the server rack, when the load current or the load voltage on the motherboard is abnormal, Hot plug controllers (Hot Swap controllers) disposed on the power distribution board disconnect the output power respectively outputted to the rack backplane and the motherboard via the power distribution board, so , all the components disposed on the motherboard, the rack backplane, and the fan backplane fail due to the absence of power supply, and thus no components can detect whether the load current or the load voltage is abnormal, which becomes problems to be solved.

Disclosure of Invention

Therefore, it is an object of the present invention to provide server racks capable of effectively learning load abnormality.

Thus, the server rack of the present invention includes power supplies, buses, fan backplanes, fan units, nodes, and rack backplanes, where the nodes include motherboards, computer components, power distribution boards, and hot-plug controllers.

The bus is electrically connected with the power supply to receive No. output power from the power supply, and the fan unit is arranged on the fan backboard and is electrically connected with the bus to further receive the No. output power from the power supply to be used as a power supply of the fan unit.

The hot swap controller of the node is arranged on the power distribution board and electrically connected with the bus to receive the th output power from the power supply and further output second output powers corresponding to the th output power.

The microcontroller is arranged on the cabinet back board and is electrically connected with the bus through the fan back board so as to receive the th output power as a power supply, and the microcontroller is also electrically connected with the hot plug controller so as to know whether the second output power of the hot plug controller is abnormal or not.

In , when the hot swap controller detects that the voltage of the second output power exceeds predetermined voltages or detects that the current of the second output power exceeds predetermined currents, the hot swap controller determines that the second output power is abnormal.

In , the server cabinet further includes cabinet management controllers electrically connected to the microcontroller, and the microcontroller further transmits alarm signals to the cabinet management controllers when the microcontroller determines that the second output power is abnormal.

In , the microcontroller and the hot plug controller support an interface of I2C (Inter-integrated circuit) so that the microcontroller knows whether the second output power of the hot plug controller is abnormal.

Alternatively, in embodiments, the hot plug controller outputs the th output power directly as the second output power.

In embodiments, the bus is large copper bars.

In , the voltage of the th output power and the second output power is 12V.

In , the predetermined voltage is 14.671V and the predetermined current is 95A.

The invention has the advantages that the bus supplies power to the fan back plate and the power distribution plate respectively, then supplies power to the cabinet back plate through the fan back plate and supplies power to the mainboard through the power distribution plate, so that when the load voltage or the load current of the mainboard is abnormal, the microcontroller arranged on the cabinet back plate can correctly know whether the load voltage or the load current is abnormal by the hot plug controller arranged on the power distribution plate.

[ description of the drawings ]

FIG. 1 is a block diagram illustrating a embodiment of a server cabinet of the present invention, and

FIG. 2 is a block diagram illustrating a second embodiment of a server cabinet in accordance with the present invention.

[ detailed description ] embodiments

Before the present invention is described in detail, it should be noted that in the following description, like elements are represented by like reference numerals.

Referring to fig. 1, an th embodiment of the server Rack of the present invention includes power supplies 5, 0 buses (Bus Bar)4, Fan backplanes (Fan Back Plane; FBP)3, Fan units 31, nodes (Node)1, Rack Backplanes (RBP) 2, and microcontrollers (Micro controllers) 21. the Node 1 includes Motherboards (MB) 11, a plurality of computer components 111, a plurality of power Power Distribution Boards (PDB) 12, and a plurality of Rack management controllers (RMC/CMC) 6.

The bus 4 is electrically connected to the power supply 5 to receive th output power from the power supply 5. in this embodiment, the bus 4 is large copper bars, the voltage value of the th output power is 12 v. in other embodiments, the bus 4 may be made of other conductive metal materials, and the voltage value of the th output power may be other values, which are not limited thereto.

The fan unit 31 is disposed on the fan back plate 3 and electrically connected to the bus 4, and further receives the th output power from the power supply 5 as the power source of the fan unit 31. for example, the fan unit 31 includes at least fans, and can receive control signals to control the rotation speed of the at least fans, and can also detect the rotation speed of the at least fans to generate rotation speed signals.

For example, the node 1 can belong to computing nodes, i.e., the computing components 111 are processors, memories, etc., and the node 1 can also belong to storage nodes, i.e., the computing components 111 are storage units, such as hard disks, in other words, the host board 11 is not limited to which computing components are installed, or which type node the node 1 belongs to.

The Hot Swap Controller (HSC) 121 of the node 1 is disposed on the power distribution board 12 and electrically connected to the bus 4 to receive the th output power from the power supply 5 and further output second output powers corresponding to the th output power.

The hot swap controller 121 is further electrically connected to the computer components 111 on the motherboard 11 to provide the second output power as a power source for the computer components 111, the hot swap controller 121 further detects the second output power, and when the hot swap controller 121 determines that the second output power is abnormal, the hot swap controller 121 does not output the second output power, more specifically, when the computer components 111 are abnormally operated such that the load Voltage (i.e., the Voltage value of the second output power) or the load Current (i.e., the Current value of the second output power) thereof is changed, the hot swap controller 121 detects that the Voltage value of the second output power exceeds predetermined voltages or detects that the Current value of the second output power exceeds predetermined currents, the hot swap controller 121 determines that the second output power is abnormal, in this embodiment, the predetermined Voltage is 14.671V, the predetermined Current is 95a, and the hot swap controller 121 determines that the second output power is abnormal but the second output power is not output power, namely, the Over-Current Protection mechanism is the Over-Current Protection mechanism (octection) 539, or the Over-Protection mechanism is particularly supplementary.

The Micro Controller 21 is disposed on the rack backplane 2 and electrically connected to the bus 4 through the fan backplane 3 to receive the -th output power as a power source, the Micro Controller 21 is further electrically connected to the hot swap Controller 121 to determine whether the second output power of the hot swap Controller 121 is abnormal or not, in this embodiment, the Micro Controller 21 and the hot swap Controller 121 both support an interface of I2C (Inter-Integrated Circuit) to enable the Micro Controller 21 to determine whether the second output power of the hot swap Controller 121 is abnormal or not, for example, the hot swap Controller 121 further includes registers (not shown), when the hot swap Controller 121 determines that the second output power is abnormal and does not output the second output power, the hot swap Controller 121 changes the stored logic value, and the logic value indicates whether the second output power is abnormal or abnormal in overload voltage or load current, and the Micro Controller 21 further obtains the logic value of the load current through the register 2C of the I2 to control whether the load voltage is abnormal or abnormal in the load current.

The microcontroller 21 is further electrically connected to the cabinet management controller 6, and when the microcontroller 21 determines that the second output power is abnormal, the microcontroller 21 further transmits warning signals to the cabinet management controller 6. for example, when a user receives the warning signal through the cabinet management controller 6 and knows that the second power is abnormal, the cabinet management controller 6 can control the server cabinet to restart, or the user can use another servers to control Baseboard Management Controllers (BMCs) (not shown) of the server cabinet through a network, and further instruct the cabinet management controller 6 to control the server cabinet to restart.

Referring to FIG. 2, a second embodiment of a server rack of the present invention is substantially the same as the embodiment, except that the server rack includes four nodes 1 instead of nodes 1. every hot plug controllers 121 of every power distribution boards 12 disposed in the four nodes 1 are electrically connected to the bus 4, and every hot plug controllers 121 disposed in the four nodes 1 are electrically connected to the microcontroller 21 disposed in the rack backplane 2.

In summary, the bus 4 supplies power to the fan backplane 3 and the power distribution board 12 of the node 1, then supplies power to the cabinet backplane 2 through the fan backplane 3, and supplies power to the motherboard 11 through the power distribution board 12, so that when the load voltage or the load current of the computer component 111 of the motherboard 11 is abnormal, the microcontroller 21 disposed on the cabinet backplane 2 can correctly know whether the load voltage or the load current is abnormal from the hot-plug controller 121 disposed on the power distribution board 12, thereby achieving the objective of the present invention.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.

Claims

1, kinds of server rack, characterized by that includes:

power supplies;

buses electrically connected to the power supply for receiving th output power from the power supply;

fan back plates;

fan units disposed on the fan back plate and electrically connected to the bus, and further receiving the th output power from the power supply as the power supply of the fan units;

nodes, including:

pieces of main boards, the number of the main boards,

a plurality of computer components arranged on the mainboard,

power distribution boards are provided on the power supply board,

hot plug controllers disposed on the power distribution board and electrically connected to the bus for receiving the th output power from the power supply and outputting second output powers corresponding to the th output power, the hot plug controllers being electrically connected to the plurality of computer components for providing the second output power as power for the plurality of computer components, the hot plug controllers further detecting the second output power, the hot plug controllers not outputting the second output power when the hot plug controllers determine that the second output power is abnormal, the hot plug controllers further including registers, the hot plug controllers changing logic values stored in the registers when the hot plug controllers determine that the second output power is abnormal and do not output the second output power, and the logic values indicating whether the second output power is abnormal in overload voltage or abnormal in load current, and

back panels of the cabinet are provided,

microcontrollers, which are disposed on the cabinet backplane and electrically connected to the bus via the fan backplane to receive the th output power as a power supply, and the microcontrollers are also electrically connected to the hot-plug controller to know whether the second output power of the hot-plug controller is abnormal.

2. The server cabinet as claimed in claim 1, wherein the hot swap controller determines that the second output power is abnormal when the hot swap controller detects that the voltage value of the second output power exceeds predetermined voltages or detects that the current value of the second output power exceeds predetermined currents.

3. The server cabinet as set forth in claim 2, wherein the server cabinet further comprises cabinet management controllers electrically connected to the microcontroller, the microcontroller further transmitting warning signals to the cabinet management controllers when the microcontroller determines that the second output power is abnormal.

4. The server cabinet of claim 2, wherein: the microcontroller and the hot plug controller support the interface of I2C, so that the microcontroller knows whether the second output power of the hot plug controller is abnormal.

5. The server cabinet as claimed in claim 2, wherein the hot plug controller outputs the th output power directly as the second output power.

6. The server cabinet as set forth in claim 5, wherein the bus is large copper bars.

7. The server cabinet as claimed in claim 6, wherein the voltage value of the th output power and the second output power is 12V.

8. The server cabinet of claim 7, wherein: the predetermined voltage is 14.671V, and the predetermined current is 95A.

9. The server cabinet of claim 1, wherein: the microcontroller and the hot plug controller support an interface of I2C, and the microcontroller can obtain the logic value of the register of the hot plug controller through the interface of I2C, thereby knowing whether an overload voltage abnormality or a load current abnormality occurs.