CN106873747A - Server system supply line - Google Patents
Server system supply line Download PDFInfo
- Publication number
- CN106873747A CN106873747A CN201710116611.6A CN201710116611A CN106873747A CN 106873747 A CN106873747 A CN 106873747A CN 201710116611 A CN201710116611 A CN 201710116611A CN 106873747 A CN106873747 A CN 106873747A
- Authority
- CN
- China
- Prior art keywords
- input
- supply line
- server system
- transient voltage
- processor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
- G06F1/305—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations in the event of power-supply fluctuations
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of server system supply line, including：Input, for connecting power supply, receives by the electricity of power input；Protection circuit, is connected between input and output end, and for monitoring the electricity of the input in supply line, and input electricity to supply line is controlled and adjusts, so that input electrical parameter values are maintained within a preset range；Output end, for connection server system；Transient voltage killer tube, is connected to protection circuit input, and negative pole is connected with protection circuit input, plus earth；Also include first resistor being connected with transient voltage killer tube, being fused when being higher than threshold value by electric current.Server system supply line of the present invention, if in circuit produce momentary pulse overtension and cause the breakdown short circuit of transient voltage killer tube, the first resistor of series connection is blown, transient voltage killer tube can be broken from supply line, the situation of server system power down is caused because transient voltage suppresses tube short circuit so as to avoid the occurrence of.
Description
Technical field
The present invention relates to server system power supply technique field, more particularly to a kind of server system supply line.
Background technology
Server system is very high to stability requirement, wherein the stability powered is the basis of safeguards system stabilization.
In the prior art, protection circuit is increased in supply line, realize overvoltage protection that server system powers and
Overcurrent protection, such as increase hot plug (Hot-Swap) circuit and, as soft start, refer to Fig. 1 in the line, is existing skill
A kind of schematic diagram of the supply line used in art.In this kind of supply line, overvoltage protection or over current protection are being carried out
In shield, it is possible that the due to voltage spikes of moment, this due to voltage spikes is that circuit is produced in trigger protection or cut-out Q1 mostly, this
The momentary pulse voltage of generation can cause to damage to hot-swapping controller and back end device.Therefore it is the due to voltage spikes for preventing
To device failure, transient voltage control pipe (Transient Voltage Suppressor, TVS) is increased at circuit Vin,
The due to voltage spikes for being possible to occur at Vin is absorbed by TVS, with protection device.
However, in actual applications, when the due to voltage spikes for producing is too high, in fact it could happen that cause TVS to blow and the feelings of short circuit
Condition, can now cause whole server system power down, cause heavy losses.
The content of the invention
In consideration of it, it is an object of the invention to provide a kind of server system supply line, can avoid the occurrence of in the prior art
Transient voltage suppresses tube short circuit, and causes the problem of server system power down.
To achieve the above object, the present invention provides following technical scheme：
A kind of server system supply line, including：
Input, for connecting power supply, receives by the electricity of power input；
Protection circuit, is connected between the input and output end, for monitoring the electricity of the input in the supply line,
And the input electricity to the supply line is controlled and adjusts, so that input electrical parameter values are maintained within a preset range；
The output end, for connection server system；
Transient voltage killer tube, is connected to the protection circuit input, and negative pole is connected with the protection circuit input,
Plus earth；
Also include first resistor being connected with the transient voltage killer tube, being fused when being higher than threshold value by electric current.
Alternatively, also including comparator and processor；
One input of the comparator is connected with the negative pole of the transient voltage killer tube, another input and the wink
The positive pole connection of state voltage killer tube, output end is connected with the processor；
The processor is used to indicate the transient voltage killer tube two ends in the level signal of comparator output
Alarm is triggered when voltage difference is zero.
Alternatively, the in-phase input end of the comparator is connected with the negative pole of the transient voltage killer tube, anti-phase input
End is connected with the positive pole of the transient voltage killer tube.
Alternatively, also include：
Indicator lamp being connected with the processor, for being lighted under the control of the output signal of processor；
Or/and, buzzing being connected with the processor, for the ring under the control of the output signal of processor
Device.
Alternatively, the processor includes CPLD.
Alternatively, the indicator lamp includes LED.
Alternatively, the first resistor includes fuse.
As shown from the above technical solution, server system supply line provided by the present invention, including input, transient state electricity
Constrain tubulation, protection circuit and output end.Input is connected with power supply, and output end is used for connection server system, protection circuit
It is connected between input and output end, the protection circuit is electric by monitoring the input in supply line, to being input into circuit
Electricity is controlled and adjusts, and input electrical parameter values is maintained within a preset range, the overvoltage that realization is powered to server system
Protection and overcurrent protection.Transient voltage killer tube is connected to protection circuit input, for suppressing supply line in moment go out
Existing due to voltage spikes, causes to damage with the pulse voltage for preventing moment from producing to each device.
In supply line of the present invention, first resistor is in series with transient voltage killer tube, the first resistor is by electricity
Fused when stream is higher than threshold value.Cause transient voltage killer tube breakdown if the pulse voltage that moment produces in circuit is too high, go here and there
The first resistor of connection can fuse, and transient voltage killer tube can be broken from supply line, it is to avoid where transient voltage killer tube
Short circuit, so as to avoid result in the situation of server system power down.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram of the server system supply line for using in the prior art；
Fig. 2 is a kind of schematic diagram of server system supply line provided in an embodiment of the present invention；
A kind of schematic diagram of server system supply line that Fig. 3 is provided for further embodiment of this invention.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to protection of the present invention
Scope.
Refer to Fig. 2, a kind of server system supply line provided in an embodiment of the present invention, including：
Input, for connecting power supply, receives by the electricity of power input；
Protection circuit 10, is connected between the input and output end, for monitoring the input in the supply line
Electricity, and input electricity to the supply line is controlled and adjusts, so that input electrical parameter values are maintained within a preset range；
The output end, for connection server system；
Transient voltage killer tube D1, is connected to the input of the protection circuit 10, and negative pole is input into the protection circuit 10
End connection, plus earth；
Also include first resistor being connected with the transient voltage killer tube D1, being fused when being higher than threshold value by electric current
R1,
The present embodiment server system supply line, input is used to be connected with power supply, receives by the electricity of power input, defeated
Going out end is used for connection server system.
Protection circuit 10 is connected between input and output end, during the protection circuit 10 is by monitoring supply line
Input electricity, is controlled and adjusts to input electricity in circuit, input electrical parameter values is maintained within a preset range, and realization was powered
Overvoltage protection and overcurrent protection in journey.
Transient voltage killer tube D1 is connected to the input of protection circuit 10, and its negative pole is connected with protection circuit input, just
Pole is grounded.Transient voltage killer tube D1 has bi-directional voltage stabilizing characteristic and two-way negative resistance charactertistic, is a kind of excessively electric for suppressing moment
The over-voltage protector of pressure.In this supply line, if produce momentary pulse voltage in circuit, transient voltage killer tube D1 can
Rapid Zener breakdown, low resistive state is changed into from high-impedance state, and the momentary pulse voltage to producing is shunted and clamped, and is so kept away
The momentary pulse voltage for exempting to produce causes to damage to each device of protection circuit and rear end.
But, when in circuit produce pulse voltage it is too high, beyond transient voltage killer tube D1 can tolerance range when, meeting
Puncture transient voltage killer tube and short-circuit, short circuit where causing transient voltage killer tube, whole server system can be caused
System power down.
In the present embodiment, first resistor R1 is in series with transient voltage killer tube D1, the first resistor R1 passes through at it
Electric current can fuse when being higher than threshold value.So, when transient voltage killer tube D1 is breakdown and short-circuit, transient flow overcurrent increases in circuit
Greatly, first resistor R1 is made to fuse, so as to transient voltage killer tube D1 be broken from supply line, it is to avoid supply line occur
Short circuit, and cause the situation of whole server system power down.
It can therefore be seen that the present embodiment server system supply line, can avoid the occurrence of transient voltage in the prior art
Suppress tube short circuit, and cause the problem of server system power down, be favorably improved stability, the reliability of server system.
In the present embodiment, the blowout current threshold value of the first resistor R1 can be carried out according to circuit conditions in practical application
Setting.Optionally, the first resistor R1 can use fuse.
Preferably, the present embodiment server system supply line, refers to Fig. 3, also including comparator U1 and processor 11；
One input of the comparator U1 is connected with the negative pole of the transient voltage killer tube D1, and another input and the transient state are electric
Constrain the positive pole connection of tubulation D1, output end is connected with the processor 11；The processor 11 is used in the comparator U1
When the voltage difference at the level signal instruction transient voltage killer tube D1 two ends of output is zero, triggering alarm.
The voltage swing at the transient voltage killer tube D1 two ends is monitored using comparator, if transient voltage killer tube D1 works
Make normal, then its terminal voltage of negative pole one is higher than the terminal voltage of positive pole one；If transient voltage killer tube D1 is short-circuited, its both end voltage
Difference is 0V, and the level signal of comparator U1 output ends output changes, then processor 11 is according to comparator U1 outputs level signals
Change, triggering alarm.So, transient voltage killer tube D1 has been damaged in prompting staff supply line, so as to staff
Take maintenance measure in time.
Specifically, with reference to shown in Fig. 3, the in-phase input end of the comparator U1 is negative with the transient voltage killer tube D1
Pole connects, and inverting input is connected with the positive pole of the transient voltage killer tube D1.The processor 11 is used to work as the comparing
Triggering alarm during device U1 output low levels.
When transient voltage killer tube D1 is working properly, the input voltage of the in-phase input end of comparator U1 is anti-phase higher than its
The input voltage of input, comparator U1 output high level, the input of processor 11 is high level, and now processor 11 does not trigger report
It is alert.
When short circuit, the input voltage of the in-phase input end of comparator U1 and its anti-phase input occurs in transient voltage killer tube D1
The difference of the input voltage at end is 0V, and comparator U1 exports low level, and the input of processor 11 is low level, and now processor 11 is touched
Transmit messages police.
Specifically, processor 11 can use CPLD, believed according to the level of input by programming to set
Number carry out triggering controlling alarm.
Optionally, the present embodiment server system supply line also includes：
Indicator lamp being connected with the processor 11, for being lighted under the control of the output signal of the processor 11；
Or/and, honeybee being connected with the processor 11, for the ring under the control of the output signal of the processor 11
Ring device.
Alarm can be carried out by indicator lamp or buzzer in the present embodiment.Wherein indicator lamp can use LED.
Specifically, can be set by programming, when the input of processor 11 is high level, its output low level, indicator lamp will not
Light, or/and buzzer not ring.When the input of processor 11 is low level, its output high level, indicator lamp is lighted or/and honeybee
Ring device ring, is alerted.
In addition, in the server system supply line shown in Fig. 1, hot-swapping controller (Hot-Swap
Controller the input piezoelectric voltage in supply line) is obtained by A3 points, input piezoelectric voltage is compared with threshold voltage, according to
Comparative result controls Q1 grid voltages, and realization is controlled to input voltage size in circuit, voltage is maintained preset range
It is interior, realize overvoltage protection.
Hot-swapping controller obtains the voltage at resistance Rs two ends by A1 points and A2 points, according to the resistance Rs two ends electricity for obtaining
Size of current in the computing the resistor value supply line of pressure and resistance Rs, the electric electric current of input is compared with threshold current, according to comparing
Output control Q1 grid voltages, are controlled to electric current in circuit, make electric current maintain within a preset range, to realize over current protection
Shield.
Server system supply line provided by the present invention is described in detail above.It is used herein specifically
Individual example is set forth to principle of the invention and implementation method, and the explanation of above example is only intended to help and understands the present invention
Method and its core concept.It should be pointed out that for those skilled in the art, not departing from original of the invention
On the premise of reason, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into right of the present invention and wants
In the protection domain asked.
Claims (7)
1. a kind of server system supply line, including：
Input, for connecting power supply, receives by the electricity of power input；
Protection circuit, is connected between the input and output end, for monitoring the electricity of the input in the supply line and right
The input electricity of the supply line is controlled and adjusts, so that input electrical parameter values are maintained within a preset range；
The output end, for connection server system；
Transient voltage killer tube, is connected to the protection circuit input, and negative pole is connected with the protection circuit input, positive pole
Ground connection；
Characterized in that, also including connect with the transient voltage killer tube, being fused when by electric current higher than threshold value the
One resistance.
2. server system supply line according to claim 1, it is characterised in that also including comparator and processor；
One input of the comparator is connected with the negative pole of the transient voltage killer tube, and another input and the transient state are electric
Constrain the positive pole connection of tubulation, output end is connected with the processor；
The processor is used to be indicated in the level signal of the comparator output voltage at the transient voltage killer tube two ends
Alarm is triggered when difference is zero.
3. server system supply line according to claim 2, it is characterised in that the in-phase input end of the comparator
Negative pole with the transient voltage killer tube is connected, and inverting input is connected with the positive pole of the transient voltage killer tube.
4. server system supply line according to claim 2, it is characterised in that also include：
Indicator lamp being connected with the processor, for being lighted under the control of the output signal of processor；
Or/and, buzzer being connected with the processor, for the ring under the control of the output signal of processor.
5. the server system supply line according to claim any one of 1-4, it is characterised in that the processor includes
CPLD.
6. the server system supply line according to claim any one of 1-4, it is characterised in that the indicator lamp includes
LED。
7. the server system supply line according to claim any one of 1-4, it is characterised in that the first resistor bag
Include fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116611.6A CN106873747A (en) | 2017-02-28 | 2017-02-28 | Server system supply line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116611.6A CN106873747A (en) | 2017-02-28 | 2017-02-28 | Server system supply line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106873747A true CN106873747A (en) | 2017-06-20 |
Family
ID=59168883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710116611.6A Pending CN106873747A (en) | 2017-02-28 | 2017-02-28 | Server system supply line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106873747A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114003118A (en) * | 2020-07-28 | 2022-02-01 | 华为技术有限公司 | Server power supply circuit and server |
| US11979020B1 (en) * | 2021-12-22 | 2024-05-07 | Suzhou Metabrain Intelligent Technology Co., Ltd. | Apparatus for suppressing peak pulse at input end of hot plug line |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006040A (en) * | 2009-08-28 | 2011-04-06 | 比亚迪股份有限公司 | Insulated gate bipolar transistor (IGBT) circuit |
| CN103618286A (en) * | 2013-11-14 | 2014-03-05 | 大唐移动通信设备有限公司 | Transient over-voltage protection circuit |
| CN105186444A (en) * | 2015-07-27 | 2015-12-23 | 昆山龙腾光电有限公司 | Power supply protection circuit |
-
2017
- 2017-02-28 CN CN201710116611.6A patent/CN106873747A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006040A (en) * | 2009-08-28 | 2011-04-06 | 比亚迪股份有限公司 | Insulated gate bipolar transistor (IGBT) circuit |
| CN103618286A (en) * | 2013-11-14 | 2014-03-05 | 大唐移动通信设备有限公司 | Transient over-voltage protection circuit |
| CN105186444A (en) * | 2015-07-27 | 2015-12-23 | 昆山龙腾光电有限公司 | Power supply protection circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114003118A (en) * | 2020-07-28 | 2022-02-01 | 华为技术有限公司 | Server power supply circuit and server |
| US11979020B1 (en) * | 2021-12-22 | 2024-05-07 | Suzhou Metabrain Intelligent Technology Co., Ltd. | Apparatus for suppressing peak pulse at input end of hot plug line |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
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| RJ01 | Rejection of invention patent application after publication |