CN106873745A - A kind of system and method for realizing backboard voltage monitoring - Google Patents
A kind of system and method for realizing backboard voltage monitoring Download PDFInfo
- Publication number
- CN106873745A CN106873745A CN201710073707.9A CN201710073707A CN106873745A CN 106873745 A CN106873745 A CN 106873745A CN 201710073707 A CN201710073707 A CN 201710073707A CN 106873745 A CN106873745 A CN 106873745A
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- CN
- China
- Prior art keywords
- backboard
- voltage
- power
- monitoring
- bmc
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/28—Supervision thereof, e.g. detecting power-supply failure by out of limits supervision
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
Abstract
The present invention relates to a kind of system and method for realizing backboard voltage monitoring, including mainboard and backboard, it is characterized in that, backboard power-feed connector on mainboard is connected with the backboard power-feed connector on backboard through backboard power cable, voltage monitor is connected with the backboard power-feed connector on backboard, the I2C EBIs of the voltage monitor are connected by backplane signal connector with the BMC, and the BMC is connected with power supply communication；Increase voltage monitor in the design of backboard, cutting system power supply is controlled using BMC when threshold values of the monitoring voltage value less than setting, the great quality problems such as prevention backboard burns realize the protection of system higher level.
Description
Technical field
The invention belongs to server architecture design technical field, and in particular to a kind of system for realizing backboard voltage monitoring and
Method.
Background technology
In the design of backboard, the space limitation of structure, hard-disk slots, louvre is limited to, the Power cablings of backboard are deposited
In two major features：1）Backboard Power layers is walked line length 2）Receive hole position, the limitation of groove position, the Power trace widths of subregion
It is narrow.Indivedual backboards are used due to long-time, and PCB internal layers have the situation of micro-short circuit so that Power layers of front and back position of backboard
Voltage difference becomes big, electric current increase, the phenomenon that PCB burns occurs.This is the deficiencies in the prior art part.
The content of the invention
For the defect that above-mentioned prior art is present, it is an object of the present invention to provide one kind realizes backboard voltage monitoring
System, including mainboard and backboard, it is characterised in that the mainboard be provided with 5v buck circuits, two groups of power consumption monitoring resistance,
Backboard power-feed connector, BMC, the backboard are provided with backboard power-feed connector, backplane signal connector, voltage monitor, 5v
The input connection power supply of buck circuits, output end connects first group of one end of power consumption monitoring resistance, first group of power consumption monitoring electricity
One end of the other end of resistance and second group of power consumption monitoring resistance is connected to the backboard power-feed connector on mainboard, second group of power consumption prison
Control resistance other end connection power supply, the backboard power-feed connector on mainboard is powered with the backboard power-feed connector on backboard through backboard
Cable is connected, and voltage monitor is connected with the backboard power-feed connector on backboard, and the I2C EBIs of the voltage monitor lead to
Cross backplane signal connector to be connected with the BMC, the BMC is connected with power supply communication.
The voltage monitor is several.
The voltage monitor is arranged on 12V and/or 5V supply lines.
Preferably, the voltage monitor uses PCF8591 AD model watch-dogs.
Preferably, it is 12v PSU to the power supply that mainboard and backboard are powered.
A kind of method for realizing backboard voltage monitoring, comprises the following steps：
Step 1, monitors backboard voltage signal；
Step 2, the voltage signal that will be monitored is converted to I2C signals；
Step 3, by I2C signal transmissions to mainboard BMC control ends；
Step 4, judges, no using the monitoring cutting system power supply of BMC when threshold value of the monitoring voltage value less than BMC settings
Then, return to step 1.
The point of monitoring voltage signal is located at power supply remote location and/or the less position of PCB Power internal layer width, if
Multiple control points are put, the point of monitoring voltage signal can be located in 12V and/or 5V supply lines.
As can be seen from the above technical solutions, the beneficial effects of the present invention are：
The program increases voltage monitor in the design of backboard, searches out power supply remote location, PCB Power internal layer width
Less position simultaneously increases monitoring chip, and cutting system electricity is controlled using BMC when threshold values of the monitoring voltage value less than setting
Source, prevention backboard such as burns at the great quality problems, realizes the protection of system higher level.The present invention is in current Purley
Have begun to progressively import in new Platform Designing, can be laid a good foundation for follow-up system stabilization sex work.
Additionally, design principle reliability of the present invention, simple structure, with application prospect widely.
As can be seen here, the present invention compared with prior art, improves with prominent substantive distinguishing features and significantly, and it is implemented
Beneficial effect be also obvious.
Brief description of the drawings
Fig. 1 is a kind of system power supply monitoring block diagram for realizing backboard voltage monitoring.
Fig. 2 is voltage monitoring process flow diagram flow chart.
Wherein, 1- mainboards, 2- backboards, 3- voltage monitors, 4- backboard power-feed connectors, 5- backplane signal connectors, 6-
BMC, 7-12v circuit power consumption monitoring resistance, 8-5v circuit power consumption monitoring resistance, 9- power supplys, 10-5v buck circuits.
Specific embodiment
The present invention will be described in detail below in conjunction with the accompanying drawings and by specific embodiment, and following examples are to the present invention
Explanation, and the invention is not limited in implementation below.
The present embodiment provides a kind of system for realizing backboard voltage monitoring, as shown in figure 1, including mainboard 1 and backboard 2, institute
State mainboard 1 and be provided with 5v buck circuits 10, power consumption monitoring resistance 7, power consumption monitoring resistance 8, backboard power-feed connector 4A, BMC
6, the backboard 2 is provided with backboard power-feed connector 4B, backplane signal connector 5, voltage monitor 3；
The input connection power supply 9 of 5v buck circuits 10, one end of output end connection power consumption monitoring resistance 8, power consumption monitoring resistance
8 other end and one end of power consumption monitoring resistance 7 are connected to backboard power-feed connector 4A, and the other end of power consumption monitoring resistance 7 connects
Connect power supply 9, backboard power-feed connector 4A is connected with backboard power-feed connector 4B through backboard power cable, voltage monitor 3 with the back of the body
Plate power-feed connector 4B is connected, and the I2C EBIs of the voltage monitor 3 pass through backplane signal connector 5 and the BMC 6
Connection, the BMC 6 is connected with the communication of power supply 9.
The voltage monitor 3 is several.
The voltage monitor 3 is arranged on 12V and/or 5V supply lines.
The voltage monitor 3 uses PCF8591 AD model watch-dogs.
Power supply to mainboard 1 and the power supply of backboard 2 is 12v PSU.
It is a kind of to realize the method for backboard voltage monitoring, as shown in Fig. 2 comprising the following steps：
Step 1, monitors backboard voltage signal；
Step 2, the voltage signal that will be monitored is converted to I2C signals；
Step 3, by I2C signal transmissions to mainboard BMC control ends；
Step 4, judges, no using the monitoring cutting system power supply of BMC when threshold value of the monitoring voltage value less than BMC settings
Then, return to step 1.
Voltage monitor PCF8591 AD are arranged on 12V supply lines terminal position, and the internal layer where 12v is by long
Transmission link loss after, can there is certain voltage drop, and transmission path more long in the terminal voltage to hard disk end
In, PCF8591 AD can at any time monitor the voltage change in the region, and the BMC 6 of voltage monitoring data back to mainboard is controlled
End, when voltage monitoring value is less than the threshold values that BMC sets in advance, using BMC and PSU（Power supply）The passage that can be communicated with one another,
BMC informs PSU（Power supply）And cut off PSU（Power supply）Supply, it is ensured that system does not occur disaster.
Disclosed above is only the preferred embodiment of the present invention, but the present invention is not limited to this, any this area
What technical staff can think does not have creative change, and some improvement made without departing from the principles of the present invention and
Retouching, should all be within the scope of the present invention.
Claims (8)
1. a kind of system for realizing backboard voltage monitoring, including mainboard and backboard, it is characterised in that the mainboard is provided with 5v
Buck circuits, two groups of power consumption monitoring resistance, backboard power-feed connector, BMC, the backboard are provided with backboard power-feed connector, the back of the body
Partitioned signal connector, voltage monitor；
The input connection power supply of 5v buck circuits, output end connects first group of one end of power consumption monitoring resistance, first group of power consumption
One end of the other end of monitored resistance and second group of power consumption monitoring resistance is connected to the backboard power-feed connector on mainboard, second group
The power consumption monitoring resistance other end connects power supply, and the backboard power-feed connector on backboard power-feed connector and backboard on mainboard is through the back of the body
Plate power cable is connected, and voltage monitor is connected with the backboard power-feed connector on backboard, the I2C buses of the voltage monitor
Interface is connected by backplane signal connector with the BMC, and the BMC is connected with power supply communication.
2. a kind of system for realizing backboard voltage monitoring according to claim 1, it is characterised in that the voltage monitor
For several.
3. a kind of system for realizing backboard voltage monitoring according to claim 1, it is characterised in that the voltage monitor
It is arranged in 12V and/or 5V supply lines.
4. a kind of system for realizing backboard voltage monitoring according to claim any one of 1-3, it is characterised in that the electricity
Pressure watch-dog is PCF8591 AD model watch-dogs.
5. a kind of system for realizing backboard voltage monitoring according to claim 1, it is characterised in that the confession of mainboard and backboard
Power supply is 12v PSU.
6. a kind of method for realizing backboard voltage monitoring, it is characterised in that comprise the following steps：
Step 1, monitors backboard voltage signal；
Step 2, the voltage signal that will be monitored is converted to I2C signals；
Step 3, by I2C signal transmissions to mainboard BMC control ends；
Step 4, judges, no using the monitoring cutting system power supply of BMC when threshold value of the monitoring voltage value less than BMC settings
Then, return to step 1.
7. a kind of method for realizing backboard voltage monitoring according to claim 6, it is characterised in that monitoring voltage signal
Point is several.
8. a kind of system for realizing backboard voltage monitoring according to claim 7, it is characterised in that monitoring voltage signal
Point is located in 12V and/or 5V supply lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073707.9A CN106873745A (en) | 2017-02-10 | 2017-02-10 | A kind of system and method for realizing backboard voltage monitoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710073707.9A CN106873745A (en) | 2017-02-10 | 2017-02-10 | A kind of system and method for realizing backboard voltage monitoring |
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| Publication Number | Publication Date |
|---|---|
| CN106873745A true CN106873745A (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710073707.9A Pending CN106873745A (en) | 2017-02-10 | 2017-02-10 | A kind of system and method for realizing backboard voltage monitoring |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276832A (en) * | 2017-08-03 | 2017-10-20 | 郑州云海信息技术有限公司 | A kind of lifting PSU and system communication reliability method and device |
| CN108736453A (en) * | 2017-11-23 | 2018-11-02 | 研祥智能科技股份有限公司 | A kind of overload protection arrangement and method based on backboard |
| CN110515446A (en) * | 2019-08-09 | 2019-11-29 | 广东浪潮大数据研究有限公司 | A kind of server and its power supply and power consumption monitoring circuit |
| TWI777824B (en) * | 2021-10-19 | 2022-09-11 | 神雲科技股份有限公司 | Power monitoring method and server |
| CN116048233A (en) * | 2023-03-13 | 2023-05-02 | 苏州浪潮智能科技有限公司 | Power architecture, power monitoring method and device |
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| CN105426287A (en) * | 2015-11-09 | 2016-03-23 | 浪潮电子信息产业股份有限公司 | Method for realizing stability operation detection of magnetic disc by utilizing back plate voltage monitoring function |
| CN106354609A (en) * | 2016-10-24 | 2017-01-25 | 郑州云海信息技术有限公司 | Server mainboard current real-time monitoring design method |
| CN106371540A (en) * | 2016-08-25 | 2017-02-01 | 联想(北京)有限公司 | System power management method and chip, and electronic device |
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| CN105117324A (en) * | 2015-08-05 | 2015-12-02 | 浪潮电子信息产业股份有限公司 | Method for implementing measurement of real-time power consumption of multiple VRs of mainboard system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276832A (en) * | 2017-08-03 | 2017-10-20 | 郑州云海信息技术有限公司 | A kind of lifting PSU and system communication reliability method and device |
| CN107276832B (en) * | 2017-08-03 | 2020-10-20 | 苏州浪潮智能科技有限公司 | Method and device for improving communication reliability of PSU and system |
| CN108736453A (en) * | 2017-11-23 | 2018-11-02 | 研祥智能科技股份有限公司 | A kind of overload protection arrangement and method based on backboard |
| CN110515446A (en) * | 2019-08-09 | 2019-11-29 | 广东浪潮大数据研究有限公司 | A kind of server and its power supply and power consumption monitoring circuit |
| TWI777824B (en) * | 2021-10-19 | 2022-09-11 | 神雲科技股份有限公司 | Power monitoring method and server |
| CN116048233A (en) * | 2023-03-13 | 2023-05-02 | 苏州浪潮智能科技有限公司 | Power architecture, power monitoring method and device |
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Application publication date: 20170620 |
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