CN207232883U - A kind of server hard disk back plane continued power device - Google Patents
A kind of server hard disk back plane continued power device Download PDFInfo
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- CN207232883U CN207232883U CN201721164994.6U CN201721164994U CN207232883U CN 207232883 U CN207232883 U CN 207232883U CN 201721164994 U CN201721164994 U CN 201721164994U CN 207232883 U CN207232883 U CN 207232883U
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- hard disk
- disk backboard
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- oxide
- metal
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- 230000002159 abnormal effect Effects 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims abstract description 4
- 239000004065 semiconductor Substances 0.000 claims description 35
- 238000004891 communication Methods 0.000 claims description 11
- 230000001934 delay Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of server hard disk back plane continued power device, including：Hard disk backboard, PSU power supplys, power cable, hard disk；Hard disk backboard takes electricity by power cable from PSU power supplys；Hard disk is connected with hard disk backboard；Further include：Whether it is connected intact for detecting power cable and hard disk backboard, and when its connection is abnormal, switches to the voltage commutation circuit that BBU modules are hard disk backboard power supply；And the BBU modules of stand-by power supply are provided for hard disk backboard；Voltage commutation circuit is connected by power cable with PSU power supplys, and BBU modules are connected by voltage commutation circuit with hard disk backboard.The utility model effectively solves the server caused by power cable and hard disk backboard loose contact and delays the abnormal problem of machine or hard disk None- identified, ensures hard disk normal work.
Description
Technical field
It the utility model is related to server hard disk back plane power supply unit, and in particular to a kind of sustainable power to server is carried on the back
The continued power device of plate power supply.
Background technology
In generic server system, it usually needs on-line maintenance is carried out to hard disk, is more changed jobs.For hard disk centrally connected power supply
Hard disk backboard, in server node by the way of directly being powered by PSU, i.e.,：PSU output 12V voltages pass through supply lines
Cable is directly output to hard disk backboard, and 12V is supplied to hard disk all in server to power by hard disk backboard again.
When generic server is installed, safeguarded, the action of plug hard disk backboard is had, if the action careless manipulation
It is possible to that hard disk backboard and power cable loose contact can be caused.There will be two kinds of situations after loose contact：1. server is started shooting
At the first time it is seen that all hard disks of None- identified, i.e. hard disk do not work；2. hard disk can work when powering on, but with making
Being increased with the time, machine makes power supply interface depart from hard disk backboard slot during vibrations, and the machine of delaying occurs in server at this time,
All hard disk informations can not be read, and such case can cause client to store information loss, influence than more serious.
The content of the invention
To solve the above problems, the utility model provides a kind of server hard disk back plane continued power device, work as supply lines
When cable is with hard disk backboard loose contact, ensure that hard disk can work on.
The technical solution of the utility model is：A kind of server hard disk back plane continued power device, including：Hard disk backboard,
PSU power supplys, power cable, hard disk；The hard disk backboard takes electricity by power cable from PSU power supplys；The hard disk is carried on the back with hard disk
Plate connects；Further include：
Whether it is connected intact for detecting power cable and hard disk backboard, and when its connection is abnormal, switches to BBU modules
For the voltage commutation circuit of hard disk backboard power supply；
And the BBU modules of stand-by power supply are provided for hard disk backboard；
The voltage commutation circuit is connected by power cable with PSU power supplys, and the BBU modules pass through voltage commutation circuit
It is connected with hard disk backboard.
Further, voltage commutation circuit includes：Comparator U1, resistance R1, resistance R2, N-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor
Q2；
The anode input terminal input BBU modules of comparator U1 are supplied to the supply voltage of hard disk backboard, comparator U1's
Cathode input terminal input PSU voltages are supplied to the supply voltage of hard disk backboard, the output terminal connection metal-oxide-semiconductor Q1's of comparator U1
Grid, the grid of metal-oxide-semiconductor Q1 are also connected to supply voltage by resistance R1；The drain electrode of metal-oxide-semiconductor Q1 is pulled to by resistance R2
Pull-up voltage, the source electrode ground connection of metal-oxide-semiconductor Q1；
Node between the drain electrode of metal-oxide-semiconductor Q1 and resistance R2 is connected to the grid of metal-oxide-semiconductor Q2, the source electrode connection of metal-oxide-semiconductor Q2
BBU modules are supplied to the supply voltage of hard disk backboard, and the drain electrode of metal-oxide-semiconductor Q2 connects hard disk backboard.
Further, the upper pull-up voltage that the supply voltage and resistance R2 that resistance R1 is connected are connected is that BBU modules carry
Supply the supply voltage of hard disk backboard.
Further, further include：Alert communication chip, server master board；Alert the input terminal and comparator of communication chip
The output terminal connection of U1, the output terminal for alerting communication chip are connected with server master board.
Server hard disk back plane continued power device provided by the utility model, increases BBU modules and voltage commutation circuit,
When hard disk backboard, which is powered, occurs abnormal, voltage commutation circuit switching is that hard disk backboard is powered with BBU modules, is effectively solved because supplying
Server caused by electric wire cable and hard disk backboard loose contact is delayed the abnormal problem of machine or hard disk None- identified, ensures that hard disk is normal
Work.
Brief description of the drawings
Fig. 1 is the utility model specific embodiment functional block diagram.
Fig. 2 is the utility model specific embodiment voltage commutation circuit schematic diagram.
In figure, 1-PSU power supplys, 2- power cables, 3- hard disk backboards, 4- hard disks, 5- voltage commutation circuits, 6-BBU modules,
7- alerts communication chip, 8- server master boards, U1- comparators, R1, R2- resistance, Q1, Q2-MOS pipe.
Embodiment
Below in conjunction with the accompanying drawings and the utility model is elaborated by specific embodiment, and following embodiments are to this
The explanation of utility model, and the utility model is not limited to implementation below.
3 continued power device of server hard disk back plane provided in this embodiment, its core concept is by increasing BBU modules
6 and voltage commutation circuit 5, ensure the continual and steady power supply of hard disk backboard 3, while the triggering alarm when breaking down, to failure
Investigated in time.
As shown in Figure 1, this continued power device includes：Hard disk backboard 3, PSU power supplys 1, power cable 2, hard disk 4.Hard disk
Backboard 3 takes electricity by power cable 2 from PSU power supplys 1, and hard disk 4 is connected with hard disk backboard 3.
Further include：For detect power cable 2 and hard disk backboard 3 whether be connected it is intact, and when its connection is abnormal, switching
It is the voltage commutation circuit 5 that hard disk backboard 3 is powered to BBU modules 6；And the BBU moulds of stand-by power supply are provided for hard disk backboard 3
Block 6.
Voltage commutation circuit 5 is connected by power cable 2 with PSU power supplys 1, BBU modules 6 by voltage commutation circuit 5 with
Hard disk backboard 3 connects.
5 schematic diagram of voltage commutation circuit is illustrated in figure 2, it is specifically included：Comparator U1, resistance R1, resistance R2, N-type
Metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2.
The anode input terminal input BBU modules 6 of comparator U1 are supplied to the supply voltage of hard disk backboard 3, comparator U1
Cathode input terminal input PSU voltages be supplied to the supply voltage of hard disk backboard 3, the output terminal of comparator U1 connects metal-oxide-semiconductor
The grid of Q1, the grid of metal-oxide-semiconductor Q1 are also connected to supply voltage by resistance R1；The drain electrode of metal-oxide-semiconductor Q1 is pulled up by resistance R2
Supreme pull-up voltage, the source electrode ground connection of metal-oxide-semiconductor Q1；Node between the drain electrode of metal-oxide-semiconductor Q1 and resistance R2 is connected to the grid of metal-oxide-semiconductor Q2
Pole, the source electrode connection BBU modules 6 of metal-oxide-semiconductor Q2 are supplied to the supply voltage of hard disk backboard 3, and the drain electrode of metal-oxide-semiconductor Q2 connects the hard disk back of the body
Plate 3.
Wherein, the upper pull-up voltage that the supply voltage and resistance R2 that resistance R1 is connected are connected is that BBU modules 6 are supplied to
The supply voltage of hard disk backboard 3.Supply voltage needed for general hard disk backboard 3 is 12V.
The operation principle of this circuit is：The 12V voltages that the input anode of comparator U1 is BBU, cathode are logical for PSU power supplys 1
Cross the 12V that power cable 2 is supplied to hard disk backboard 3.When power cable 2 contacts intact with hard disk backboard 3, comparator U1 outputs
Low level 0, metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 are in off state, and hard disk backboard 3 inputs 12V and arises directly from PSU；Work as power cable
2 with 3 loose contact of hard disk backboard when, comparator U1 output high level 1, metal-oxide-semiconductor Q1 and metal-oxide-semiconductor Q2 can be fully open, BBU modules
6 are powered 12V voltage outputs normally to hard disk backboard 3, guarantee hard disk backboard 3 by metal-oxide-semiconductor Q2.
In addition, to ensure that power cable 2 is also wrapped with the timely alert process of energy, the present embodiment during 3 loose contact of hard disk backboard
Include alarm communication chip 7 and server master board 8.The input terminal of alarm communication chip 7 is connected with the output terminal of comparator U1, is alerted
The output terminal of communication chip 7 is connected with server master board 8.
When power cable 2 contacts intact with hard disk backboard 3, comparator U1 output low levels 0, alarm signal is low level
Alarm will not be triggered.When power cable 2 and 3 loose contact of hard disk backboard, comparator U1 output high level 1, i.e. alarm signal
It is changed into high level, the high level alarm signal of triggering can be transmitted to server master board 8, server master by alerting communication chip 7
Plate 8, which receives, to be sent warning information after this alarm signal and gives server monitoring personnel, monitoring personnel logical at the first time after seeing
Know that maintenance personnel in time investigates failure.
On the basis of the original hard disk backboard 3 of this continued power device, increase BBU modules 6 and voltage commutation circuit 5, when hard
When the power supply of disk backboard 3 occurs abnormal, 12V can be switched to and be powered with BBU modules 6 by voltage commutation circuit 5, ensure that hard disk 4 is normal
Work, while trigger alarm signal to server system, maintenance personnel can be according to the alarm records that server system generates the
One time fault point, improves malfunction elimination efficiency, has ensured the safe operation of server.
The above is only the preferred embodiment of the utility model, it should be pointed out that：For the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (4)
1. a kind of server hard disk back plane continued power device, including：Hard disk backboard, PSU power supplys, power cable, hard disk；It is described
Hard disk backboard takes electricity by power cable from PSU power supplys；The hard disk is connected with hard disk backboard；It is characterized in that, further include：
Whether it is connected intact for detecting power cable and hard disk backboard, and when its connection is abnormal, it is hard to switch to BBU modules
The voltage commutation circuit of disk backboard power supply；
And the BBU modules of stand-by power supply are provided for hard disk backboard；
The voltage commutation circuit is connected by power cable with PSU power supplys, and the BBU modules are by voltage commutation circuit and firmly
Disk backboard connects.
2. server hard disk back plane continued power device according to claim 1, it is characterised in that voltage commutation circuit bag
Include：Comparator U1, resistance R1, resistance R2, N-type metal-oxide-semiconductor Q1, p-type metal-oxide-semiconductor Q2；
The anode input terminal input BBU modules of comparator U1 are supplied to the supply voltage of hard disk backboard, the cathode of comparator U1
Input terminal input PSU voltages are supplied to the supply voltage of hard disk backboard, the grid of the output terminal connection metal-oxide-semiconductor Q1 of comparator U1
Pole, the grid of metal-oxide-semiconductor Q1 are also connected to supply voltage by resistance R1；The drain electrode of metal-oxide-semiconductor Q1 is pulled to pull-up by resistance R2
Voltage, the source electrode ground connection of metal-oxide-semiconductor Q1；
Node between the drain electrode of metal-oxide-semiconductor Q1 and resistance R2 is connected to the grid of metal-oxide-semiconductor Q2, the source electrode connection BBU moulds of metal-oxide-semiconductor Q2
Block is supplied to the supply voltage of hard disk backboard, and the drain electrode of metal-oxide-semiconductor Q2 connects hard disk backboard.
3. server hard disk back plane continued power device according to claim 2, it is characterised in that resistance R1 is connected
The upper pull-up voltage that supply voltage and resistance R2 are connected is the supply voltage that BBU modules are supplied to hard disk backboard.
4. the server hard disk back plane continued power device according to Claims 2 or 3, it is characterised in that further include：Alarm
Communication chip, server master board；The input terminal of alarm communication chip is connected with the output terminal of comparator U1, alerts communication chip
Output terminal is connected with server master board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721164994.6U CN207232883U (en) | 2017-09-12 | 2017-09-12 | A kind of server hard disk back plane continued power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721164994.6U CN207232883U (en) | 2017-09-12 | 2017-09-12 | A kind of server hard disk back plane continued power device |
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| Publication Number | Publication Date |
|---|---|
| CN207232883U true CN207232883U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721164994.6U Expired - Fee Related CN207232883U (en) | 2017-09-12 | 2017-09-12 | A kind of server hard disk back plane continued power device |
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| CN (1) | CN207232883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112000190A (en) * | 2020-08-21 | 2020-11-27 | 苏州浪潮智能科技有限公司 | Power supply control circuit, server hard disk backboard and power supply circuit thereof |
| CN112162619A (en) * | 2020-09-18 | 2021-01-01 | 北京浪潮数据技术有限公司 | Server, server starting method and device and related equipment |
-
2017
- 2017-09-12 CN CN201721164994.6U patent/CN207232883U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112000190A (en) * | 2020-08-21 | 2020-11-27 | 苏州浪潮智能科技有限公司 | Power supply control circuit, server hard disk backboard and power supply circuit thereof |
| CN112000190B (en) * | 2020-08-21 | 2022-07-19 | 苏州浪潮智能科技有限公司 | Power supply control circuit, server hard disk backboard and power supply circuit thereof |
| CN112162619A (en) * | 2020-09-18 | 2021-01-01 | 北京浪潮数据技术有限公司 | Server, server starting method and device and related equipment |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180413 Termination date: 20190912 |