CN206249234U - A kind of construction for electricity for preventing hard disk backboard from burning - Google Patents

Abstract

The utility model provides a kind of construction for electricity for preventing hard disk backboard from burning, including：Power supply module, mainboard and hard disk backboard；Mainboard includes：It is provided with the E Fuse chips of PMBus, power connector, BMC module and electric power connection line；The input of power connector connects power supply module by the major loop IC ends of E Fuse chips；The output end of power connector connects hard disk backboard by electric power connection line；The logic control circuit of E Fuse chips is connected with BMC module, and BMC module is used for the current value at the major loop IC ends for obtaining E Fuse chips, and when the current value that BMC module is obtained is more than default current threshold, BMC module sends cut-off signals to E Fuse chips；The whole hard disk backboard burnout problems in the industry of puzzlement can be so avoided, and after hard disk backboard occurs exception, can immediately generate and alert indicate that signal, facilitate investigation and the maintenance of plant maintenance personnel.

Description

A power supply architecture to prevent the backplane of the hard disk from being burned

technical field

The utility model relates to the field of servers, in particular to a power supply structure for preventing hard disk backplanes from being burned.

Background technique

With the widespread rise of the cloud computing industry and the Internet +, a large number of data centers have been established in order to meet the massive data processing and storage. The core equipment of the data center is naturally servers and storage equipment. The hard disk backplane is an important part of servers, storage and other equipment, and it is also a key board to realize the connection between computing and storage. Therefore, servers and storage devices are equipped with a large number of hard disk backplanes to achieve large-capacity storage. In recent years, there have been incidents of hard disk backplane burnout in data centers, and some even triggered fire alarms in the data center due to hard disk backplane burnout, resulting in damage to other equipment in the data center, resulting in huge losses to the entire data center. .

Analyze the reasons for the hard disk backplane burnout, mainly focusing on the aging of components, changes in the PCB stack, physical impact and other reasons that cause a short circuit between the power supply and the ground, and a large current is generated on the hard disk backplane between the power supply and the ground. The heat causes the backplane of the hard disk to be burned.

Contents of the invention

In order to overcome the deficiencies in the above-mentioned prior art, the purpose of this utility model is to provide a power supply structure to prevent the hard disk backplane from being burned, including: a power supply component, a main board and a hard disk backplane;

The motherboard includes: E-Fuse chip with PMBus, power connector, BMC module and power cable;

The E-Fuse chip is equipped with a logic control circuit and a main circuit IC terminal;

The input end of the power connector is connected to the power component through the main circuit IC end of the E-Fuse chip;

The output end of the power connector is connected to the hard disk backplane through the power cable;

The logic control circuit of the E-Fuse chip is connected to the BMC module. The BMC module is used to obtain the current value of the main circuit IC terminal of the E-Fuse chip. When the current value obtained by the BMC module is greater than the preset current threshold, the BMC module sends the E- The Fuse chip sends a shutdown signal;

The E-Fuse chip is used to connect the power connector to the power supply component through the main circuit IC terminal of the E-Fuse chip. When the shutdown signal from the BMC module is received through the logic control circuit, the E-Fuse chip disconnects the power connector. Connection lines with power supply components.

Preferably, the power connector adopts a P5V connector;

The input end of the P5V connector is connected to the power supply component through the main circuit IC end of the E-Fuse chip;

The output end of the P5V connector is connected to the hard disk backplane through the power cable.

Preferably, the power connector adopts a P12V connector;

The input end of the P12V connector is connected to the power supply component through the main circuit IC end of the E-Fuse chip;

The output end of the P12V connector is connected to the hard disk backplane through the power cable.

Preferably, the mainboard also includes: an alarm module;

The alarm module is connected with the BMC module, and the alarm module is used to control the alarm module to send an alarm message while sending a shutdown signal to the E-Fuse chip when the current value obtained by the BMC module is greater than the preset current threshold.

Preferably, the P5V_HDD line is used as the power connection line connecting the output end of the P5V connector to the hard disk backplane.

Preferably, the P12V_HDD line is used as the power connection line connecting the output end of the P12V connector to the hard disk backplane.

Preferably, the E-fuse chip uses Maxim's VT505 or ADI's ADM1278.

Preferably, the BMC module is provided with a current threshold setting module;

The current threshold setting module is used to set the current threshold for controlling the on-off of the E-Fuse chip.

Preferably, the power supply component includes: an AC-DC converter, a voltage transforming circuit, and a voltage stabilizing circuit;

The input end of the AC-DC converter is connected to the mains, the output end of the AC-DC converter is connected to the input end of the transformer circuit, the output end of the voltage transformer circuit is connected to the input end of the voltage stabilizing circuit, and the output end of the voltage stabilizing circuit is connected to the E-Fuse chip.

As can be seen from the above technical solutions, the utility model has the following advantages:

The BMC module of the power supply structure monitors and controls the application current of the hard disk backplane, so as to immediately cut off the power supply path when the hard disk backplane is about to burn out, and send out an alarm message. In this way, the problem of burning the hard disk backplane can be avoided, and an alarm indication signal can be generated immediately after the hard disk backplane is abnormal, which is convenient for equipment maintenance personnel to check and repair.

Description of drawings

In order to illustrate the technical solution of the utility model more clearly, the accompanying drawings that need to be used in the description will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some embodiments of the utility model. Ordinary technicians can also obtain other drawings based on these drawings on the premise of not paying creative work.

FIG. 1 is an overall schematic diagram of a power supply structure for preventing a hard disk backplane from being burned.

detailed description

In order to make the purpose, features and advantages of the present utility model more obvious and understandable, the technical solutions in the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in this specific embodiment. Obviously, the following description The embodiments are only a part of the embodiments of the present utility model, but not all embodiments. Based on the embodiments in this patent, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this patent.

The utility model provides a power supply structure for preventing hard disk backplanes from being burned, as shown in Figure 1, comprising: a power supply assembly 1, a main board 2 and a hard disk backplane 3;

The main board 2 includes: an E-Fuse chip 5 with a PMBUS, a power connector, a BMC module 4 and a power connection line;

The E-Fuse chip 5 is provided with a logic control circuit 8 and a main circuit IC terminal 9;

The input terminal of the power connector is connected to the power supply component 1 through the main circuit IC terminal 9 of the E-Fuse chip; the output terminal of the power connector is connected to the hard disk backplane 3 through the power cable;

The logic control circuit 8 of the E-Fuse chip 5 is connected with the BMC module 4, and the BMC module 4 is used to obtain the current value of the main loop IC terminal of the E-Fuse chip. When the current value obtained by the BMC module is greater than the preset current threshold, the BMC The module sends a shutdown signal to the E-Fuse chip;

The E-Fuse chip is used to connect the power connector to the power supply component through the main circuit IC terminal of the E-Fuse chip. When the shutdown signal sent by the BMC module 4 is received through the logic control circuit 8, the E-Fuse chip 5 is disconnected. The connection line between the power connector and the power component 1.

Preferably in this embodiment, the power connector adopts the P5V connector 7; the input end of the P5V connector 7 is connected to the power supply component 1 through the main circuit IC end 9 of the E-Fuse chip; the output end of the P5V connector 7 is connected through the power connection line Hard disk backplane 3. The power connection line connecting the output end of the P5V connector 7 to the hard disk backplane 3 adopts the P5V_HDD line 11 .

The power connector adopts P12V connector 6; the input end of P12V connector 6 is connected to the power supply component 1 through the main circuit IC end 9 of the E-Fuse chip; the output end of P12V connector 6 is connected to the hard disk backplane 3 through the power cable. The power connection line connecting the output end of the P12V connector 6 to the hard disk backplane 3 adopts the P12V_HDD line 12 .

The main board 2 also includes: an alarm module; the alarm module is connected with the BMC module 4, and the alarm module is used for when the current value obtained by the BMC module 4 is greater than the preset current threshold, the BMC module 4 sends a shutdown signal to the E-Fuse chip 5 At the same time, the control alarm module sends out alarm information.

In this embodiment, the E-fuse chip 5 adopts Maxim's VT505 or ADI's ADM1278.

The BMC module 4 is provided with a current threshold setting module; the current threshold setting module is used to set the current threshold for controlling the on-off of the E-Fuse chip.

The power supply component 1 includes: an AC-DC converter, a transformer circuit, and a voltage stabilizing circuit; the input terminal of the AC-DC converter is connected to the mains, the output terminal of the AC-DC converter is connected to the input terminal of the transformer circuit, and the output terminal of the transformer circuit Connect the input terminal of the voltage stabilizing circuit, and connect the output terminal of the voltage stabilizing circuit to the E-Fuse chip.

The BMC module (Baseboard Management Controller, Baseboard Management Controller) supports the industry-standard IPMI specification. This specification describes the management functions already built into the motherboard. These features include: local and remote diagnostics, console support, configuration management, hardware management and troubleshooting.

The E-Fuse chip uses the electromigration characteristic to realize the on-off control of the main circuit. The E-Fuse chip can realize the programming operation, adopts the I/O circuit, and the voltage on the chip is usually 3.3V.

PMBus (Power Management Bus, power management bus) is an open standard digital power management protocol. Communication with power converters or other devices can be facilitated by defining transport and physical interfaces and a command language.

In order to clearly illustrate the realization of the present utility model, in conjunction with the implementation steps, it is specifically described: according to the connection circuit shown in Figure 1, a P5V connector and a P12V connector for powering the hard disk backplane on the main board 2 are respectively connected in series with a PMBUS connector. The functional E-Fuse chip is connected to the BMC module of the motherboard.

Test the current value of the hard disk backplane working under various pressure states, and select the maximum current value Imax as the current threshold setting module to set the current threshold for controlling the on-off of the E-Fuse chip. Of course, a current value of 1.5 times of Imax may also be used as the current threshold, and the specific current threshold is not limited.

The logic control circuit of the E-Fuse chip is provided with a PMUS pin and an Enable pin, and the PMUS pin and the Enable pin are respectively connected to the BMC module on the motherboard.

Take the current value of 1.5 times of Imax as the current threshold as an example to ensure that the hard disk backplane can work normally and prevent false triggering. Write a program in the BMC to realize: the read current value is greater than the Ilimit value, and the BMC module will be connected to the E-Fuse chip Pull the Enable pin low to turn off the E-Fuse and prevent the generation of large current on the hard disk backplane. At the same time, the BMC module triggers a system alarm message, indicating that the hard disk backplane is abnormal. In this way, a design that prevents the backplane of the hard disk from being burned by optimizing the power supply structure can be completed.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. a kind of construction for electricity for preventing hard disk backboard from burning, it is characterised in that including：Power supply module, mainboard and hard disk are carried on the back Plate；

Mainboard includes：It is provided with the E-Fuse chips of PMBus, power connector, BMC module and electric power connection line；

E-Fuse chips are provided with logic control circuit and major loop IC ends；

The input of power connector connects power supply module by the major loop IC ends of E-Fuse chips；

The output end of power connector connects hard disk backboard by electric power connection line；

The logic control circuit of E-Fuse chips is connected with BMC module, and BMC module is used to obtain the major loop IC of E-Fuse chips The current value at end, when the current value that BMC module is obtained is more than default current threshold, BMC module sends to E-Fuse chips Cut-off signals；

E-Fuse chips are used to make power connector be connected with power supply module by the major loop IC ends of E-Fuse chips, when passing through When logic control circuit receives the cut-off signals that BMC module sends, E-Fuse chip deenergization connectors and power supply module Between connection line.

2. the construction for electricity for preventing hard disk backboard from burning according to claim 1, it is characterised in that

Power connector uses P5V connectors；

The input of P5V connectors connects power supply module by the major loop IC ends of E-Fuse chips；

The output end of P5V connectors connects hard disk backboard by electric power connection line.

3. the construction for electricity for preventing hard disk backboard from burning according to claim 1, it is characterised in that

Power connector uses P12V connectors；

The input of P12V connectors connects power supply module by the major loop IC ends of E-Fuse chips；

The output end of P12V connectors connects hard disk backboard by electric power connection line.

4. the construction for electricity for preventing hard disk backboard from burning according to claim 1, it is characterised in that

Mainboard also includes：Alarm module；

Alarm module is connected with BMC module, and the current value that alarm module is used to be obtained when BMC module is more than default current threshold When, while BMC module sends cut-off signals to E-Fuse chips, control alarm module sends warning information.

5. the construction for electricity for preventing hard disk backboard from burning according to claim 2, it is characterised in that

The electric power connection line that the output end of P5V connectors is connected with hard disk backboard uses P5V_HDD lines.

6. the construction for electricity for preventing hard disk backboard from burning according to claim 3, it is characterised in that

The electric power connection line that the output end of P12V connectors is connected with hard disk backboard uses P12V_HDD lines.

7. the construction for electricity that hard disk backboard burns of preventing according to claim 1 or 2 or 3 or 4, it is characterised in that

E-Fuse chips use the ADM1278 of the VT505 or ADI of Maxim.

8. the construction for electricity that hard disk backboard burns of preventing according to claim 1 or 2 or 3 or 4, it is characterised in that

BMC module is provided with current threshold setup module；

Current threshold setup module is used to set the current threshold of control E-Fuse chip break-makes.

9. the construction for electricity that hard disk backboard burns of preventing according to claim 1 or 2 or 3 or 4, it is characterised in that

Power supply module includes：AC/DC changeover switch, transforming circuit, mu balanced circuit；

AC/DC changeover switch input is electrically connected with city, and AC/DC changeover switch output end is connected with the input of transforming circuit, is become The output end connection mu balanced circuit input of volt circuit, circuit output end of pressure-stabilizing connection E-Fuse chips.