CN109213713A - A kind of system for realizing network interface card hot plug - Google Patents
A kind of system for realizing network interface card hot plug Download PDFInfo
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- CN109213713A CN109213713A CN201811109212.8A CN201811109212A CN109213713A CN 109213713 A CN109213713 A CN 109213713A CN 201811109212 A CN201811109212 A CN 201811109212A CN 109213713 A CN109213713 A CN 109213713A
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- capacitor
- control chip
- resistance
- network interface
- interface card
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4081—Live connection to bus, e.g. hot-plugging
Abstract
The embodiment of the present application discloses a kind of system for realizing network interface card hot plug, which includes: the first hot plug module and the second hot plug module；The input terminal of first hot plug module is connected with the first power supply link of mainboard, and the output end of the first hot plug module is connected with the first feeder ear of network interface card；The input terminal of second hot plug module is connected with the second power supply link of mainboard, and the output end of the second hot plug module is connected with the second feeder ear of network interface card；First hot plug module, the first feeder ear of the first voltage input network interface card for providing the first power supply link；Second hot plug module, the second feeder ear of the second voltage input network interface card for providing the second power supply link.The hot plug of network interface card may be implemented by the embodiment of the present application.
Description
Technical field
This application involves field of circuit technology, and in particular to a kind of system for realizing network interface card hot plug.
Background technique
Server occupies increasingly consequence, the research and development ability of server in the electronic information technology of high speed development
Also the great attention increasingly by society.At this stage, in the design of server, the hot maintenance needs of server constantly increase
Add, the component that server can be supported hot plug operations is increasing, and it is desirable to possible realizations big to the greatest extent in server
The hot plug operations of most components.
Meanwhile when component carries out hot plug operations, need to guarantee server total system and component without any damage, master
Plate is noiseless, and mainboard and component can work normally.At present in the design of server, the components such as hard disk and fan have realized that heat is inserted
It pulls out function, but network interface card component etc. and warm connection function is not implemented.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of system for realizing network interface card hot plug, to realize the hot plug of network interface card
Function.
To solve the above problems, technical solution provided by the embodiments of the present application is as follows:
A kind of system for realizing network interface card hot plug, the system comprises:
First hot plug module and the second hot plug module；The of the input terminal of first hot plug module and mainboard
One power supply link is connected, and the output end of first hot plug module is connected with the first feeder ear of network interface card；Second heat is inserted
The input terminal of draft block is connected with the second power supply link of the mainboard, the output end and the net of second hot plug module
Second feeder ear of card is connected；
First hot plug module, the first voltage for providing the first power supply link input the network interface card
First feeder ear；
Second hot plug module, the second voltage for providing the second power supply link input the network interface card
Second feeder ear.
In one possible implementation, first hot plug module includes:
First control chip unit, the first current feedback unit and the first onunit；The first control chip list
First to be connected with first current feedback unit, first current feedback unit is connected with first onunit；
First current feedback unit, for inputting the first voltage by the to the first control chip unit
First voltage after one precision resistance is poor；
The first control chip unit, it is default that the first voltage for providing when the first power supply link reaches first
When condition, the first onunit conducting is driven；The first operating current is calculated according to the first voltage difference, when described first
Operating current is more than the first current threshold, drives the first onunit shutdown；
First onunit, for described first to power described in the first voltage input that link provides in conducting
First feeder ear of network interface card；Zero volts are inputted to the first feeder ear of the network interface card when off.
In one possible implementation, the first control chip unit includes:
First control chip, first resistor, second resistance and 3rd resistor；
The power pin of the first control chip is connected with the first power supply link of the mainboard；
First power supply link of the mainboard is connected with the first end of the first resistor, the second end of the first resistor
It is connected respectively with the enable pin of the first end of the second resistance and the first control chip, the of the second resistance
Two ends ground connection；
The first end of the 3rd resistor is connected with the overcurrent protection pin of the first control chip, the 3rd resistor
Second end ground connection.
In one possible implementation, the first control chip unit further include: first capacitor；
The first end of the first capacitor controls chip with the first end of the second resistance and described first respectively
Enable pin is connected；The second end of the first capacitor is grounded.
In one possible implementation, first current feedback unit includes:
First precision resistance, the second capacitor, third capacitor and the 4th capacitor；
First power supply link of the mainboard is connected with the first end of first precision resistance, first precision resistance
First end with it is described first control chip the first feedback pin be connected, the second end of first precision resistance respectively with institute
The second feedback pin and first onunit for stating the first control chip are connected；
The first end of second capacitor controls core with the first end of first precision resistance and described first respectively
First feedback pin of piece is connected, the second end of second capacitor respectively with the second end of first precision resistance and institute
The second feedback pin for stating the first control chip is connected；
The first end of the third capacitor is connected with the first end of second capacitor, the second termination of the third capacitor
Ground；
The first end of 4th capacitor is connected with the second end of second capacitor, the second termination of the 4th capacitor
Ground.
In one possible implementation, first onunit is the first metal-oxide-semiconductor, the control of first metal-oxide-semiconductor
End processed is connected with the driving pin of the first control chip, the first end of first metal-oxide-semiconductor and first precision resistance
Second end be connected, the second end of first metal-oxide-semiconductor is connected with the first feeder ear of the network interface card.
In one possible implementation, second hot plug module includes:
Second control chip unit, the second current feedback unit and the second onunit；The second control chip list
First to be connected with second current feedback unit, second current feedback unit is connected with second onunit；
Second current feedback unit, for inputting the second voltage by the to the second control chip unit
Second voltage after two precision resistances is poor；
The second control chip unit, it is default that the second voltage for providing when the second power supply link reaches second
When condition, the second onunit conducting is driven；The second operating current is calculated according to the second voltage difference, when described second
Operating current is more than the second current threshold, drives the second onunit shutdown；
Second onunit, for described second to power described in the second voltage input that link provides in conducting
Second feeder ear of network interface card；Zero volts are inputted to the second feeder ear of the network interface card when off.
In one possible implementation, the second control chip unit includes:
Second control chip, the 4th resistance, the 5th resistance and the 6th resistance；
The power pin of the second control chip is connected with the second power supply link of the mainboard；
Second power supply link of the mainboard is connected with the first end of the 4th resistance, the second end of the 4th resistance
It is connected respectively with the enable pin of the first end of the 5th resistance and the second control chip, the of the 5th resistance
Two ends ground connection；
The first end of 6th resistance is connected with the overcurrent protection pin of the second control chip, the 6th resistance
Second end ground connection.
In one possible implementation, the second control chip unit further include: the 5th capacitor；
The first end of 5th capacitor controls chip with the first end of the 5th resistance and described second respectively
Enable pin is connected；The second end of 5th capacitor is grounded.
In one possible implementation, second current feedback unit includes:
Second precision resistance, the 6th capacitor, the 7th capacitor and the 8th capacitor；
Second power supply link of the mainboard is connected with the first end of second precision resistance, second precision resistance
First end with it is described second control chip the first feedback pin be connected, the second end of second precision resistance respectively with institute
The second feedback pin and second onunit for stating the second control chip are connected；
The first end of 6th capacitor controls core with the first end of second precision resistance and described second respectively
First feedback pin of piece is connected, the second end of the 6th capacitor respectively with the second end of second precision resistance and institute
The second feedback pin for stating the second control chip is connected；
The first end of 7th capacitor is connected with the first end of the 6th capacitor, the second termination of the 7th capacitor
Ground；
The first end of 8th capacitor is connected with the second end of the 6th capacitor, the second termination of the 8th capacitor
Ground.
In one possible implementation, second onunit is the second metal-oxide-semiconductor, the control of second metal-oxide-semiconductor
End processed is connected with the driving pin of the second control chip, the first end of second metal-oxide-semiconductor and second precision resistance
Second end be connected, the second end of second metal-oxide-semiconductor is connected with the second feeder ear of the network interface card.
It can be seen that the embodiment of the present application has the following beneficial effects:
The embodiment of the present application realizes mainboard and network interface card by increasing hot plug module on power supply chain road of the mainboard to network interface card
For be electrically isolated, guarantee hot plug operations when it is noiseless to main board power supply link, realize the warm connection function of network interface card.
Detailed description of the invention
Fig. 1 is mainboard in the prior art and network interface card connection schematic diagram；
Fig. 2 is the schematic diagram of the system provided by the embodiments of the present application for realizing network interface card hot plug；
Fig. 3 is the schematic diagram of the first hot plug module provided by the embodiments of the present application；
Fig. 4 is the structural schematic diagram of the first hot plug module provided by the embodiments of the present application；
Fig. 5 is the schematic diagram of the second hot plug module provided by the embodiments of the present application；
Fig. 6 is the structural schematic diagram of the second hot plug module provided by the embodiments of the present application.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real
Mode is applied to be described in further detail the embodiment of the present application.
In the prior art, the network interface card component on server master board and unrealized warm connection function, it is shown in Figure 1, it is existing
There is mainboard in technology directly to provide duplex feeding link for network interface card, any protection device is not present in power supply chain road.It is with network interface card
For OCP3.0 network interface card, it is respectively P12V_AUX, P3V3_AUX that mainboard, which provides two power supply links for OCP3.0 network interface card, to be
OCP3.0 network interface card provides 12V and 3.3V.Since any protection device is not present in power supply chain road of the mainboard to network interface card, network interface card can not
Realize warm connection function.In addition, being abnormal when leading to internal short-circuit inside network interface card, main board power supply link hair will be directly triggered
Raw short-circuit protection, causes mainboard power down and loss of data.
Based on this, the embodiment of the present application is powered the first of mainboard increases by first between link and the first feeder ear of network interface card
Hot plug module powers the second of mainboard and increases by the second hot plug module between link and the second feeder ear of network interface card, realizes
Mainboard and network interface card for being electrically isolated, guarantee noiseless to main board power supply link when hot plug operations, realize the hot plug function of network interface card
Energy.
The technical solution of the application for ease of understanding shows realization data provided by the present application below in conjunction with attached drawing
Method is illustrated.
It is shown in Figure 2, the system embodiment of the realization network interface card hot plug provided in the embodiment of the present application is shown, this is
System may include:
First hot plug module 201 and the second hot plug module 202；The input terminal of first hot plug module and mainboard
First power supply link is connected, and the output end of the first hot plug module is connected with the first feeder ear of network interface card；Second hot plug module
The second power supply link of input terminal and mainboard be connected, the second feeder ear phase of the output end and network interface card of the second hot plug module
Even.
First hot plug module, the first feeder ear of the first voltage input network interface card for providing the first power supply link.
Second hot plug module, the second feeder ear of the second voltage input network interface card for providing the second power supply link.
In the present embodiment, powers the first of mainboard and increase the first hot plug between link and the first feeder ear of network interface card
Module powers the second of mainboard and increases the second hot plug module between link and the second feeder ear of network interface card, by the first heat
First feeder ear of the first voltage input network interface card that plug-in module provides the first power supply link, by the second hot plug module by the
Second feeder ear of the second voltage input network interface card that two power supply links provide, to power for network interface card.
In practical applications, network interface card can be OCP3.0 network interface card, can be in the upper first power supply link P12V_AUX of mainboard
Increase by the first hot plug module, increases by the second hot plug module in the upper second power supply link P3V3_AUX of mainboard, realize mainboard
With OCP3.0 network interface card for being electrically isolated.First hot plug module converts the first power supply link P12V_AUX first voltage provided
For voltage P12V_AUX_OCP, 12V voltage is provided for OCP3.0 network interface card, the second electricity that the second power supply link P3V3_AUX is provided
Pressure is converted to voltage P3V3_AUX_OCP, provides 3.3V voltage for OCP3.0 network interface card, guarantees that network interface card works normally.P12V_AUX is mentioned
The first voltage of confession can be identical with the value of voltage P12V_AUX_OCP, the second voltage and voltage P3V3_ that P3V3_AUX is provided
The value of AUX_OCP can be identical.
In this way, the embodiment of the present application realizes mainboard by increasing hot plug module on power supply chain road of the mainboard to network interface card
With network interface card for being electrically isolated, guarantee noiseless to main board power supply link when hot plug operations, realizes the warm connection function of network interface card.
It is shown in Figure 3, show the schematic diagram of the first hot plug module in the embodiment of the present application, the first hot plug module
May include:
First control chip unit 301, the first current feedback unit 302 and the first onunit 303；First control core
Blade unit is connected with the first current feedback unit, and the first current feedback unit is connected with the first onunit.
First current feedback unit, for inputting first voltage after the first precision resistance to the first control chip unit
First voltage it is poor.
First control chip unit, when the first voltage for providing when the first power supply link reaches the first preset condition,
The first onunit is driven to be connected；The first operating current is calculated according to first voltage difference, when the first operating current is more than the first electricity
Flow threshold value, driving the first onunit shutdown.
First onunit, for being supplied in conducting by the first of the first voltage input network interface card that the first power supply link provides
Electric end；Zero volts are inputted to the first feeder ear of network interface card when off.
Namely in the present embodiment, the first hot plug module is in specific work process, if first voltage can be to enable
First voltage is then input to network interface card by the first control chip in the first control chip unit, driving the first onunit conducting
The first feeder ear；Meanwhile real-time first control chip unit real-time monitoring operating current, when there is overcurrent, the first conducting
Unit shutdown stops as network interface card power supply.Then the first hot plug module provides overcurrent protection function, when can avoid network interface card internal short-circuit
The problem of causing mainboard power down increases designed reliability.
It is shown in Figure 4, a kind of specific implementation schematic diagram of the first hot plug module in the embodiment of the present application is shown,
In, the first control chip unit may include:
First control chip U1, first resistor R1, second resistance R2 and 3rd resistor R3.
The power pin VCC of first control chip U1 is connected with the first power supply link P12V_AUX of mainboard.
First power supply link P12V_AUX of mainboard is connected with the first end of first resistor R1, the second end of first resistor R1
It is connected respectively with the enable pin EN of the first end of second resistance R2 and the first control chip U1, the second end of second resistance R2
Ground connection.
The first end of 3rd resistor R3 is connected with the overcurrent protection pin Ilim of the first control chip U1,3rd resistor R3's
Second end ground connection.
In one possible implementation, the first control chip unit further include: first capacitor C1.
The first end of first capacitor C1 controls the enabled pipe of chip U1 with the first end of second resistance R2 and first respectively
Foot EN is connected；The second end of first capacitor C1 is grounded.
Continue to be illustrated based on Fig. 4, in a kind of possible implementation of the embodiment of the present application, the first current feedback list
Member may include:
First precision resistance R7, the second capacitor C2, third capacitor C3 and the 4th capacitor C4.
First power supply link P12V_AUX of mainboard is connected with the first end of the first precision resistance R7, the first precision resistance R7
First end be connected with the first feedback pin CSP of the first control chip U1, the second end of the first precision resistance R7 is respectively with the
The the second feedback pin CSN and the first onunit of one control chip U1 is connected.
The first end of second capacitor C2 respectively with the first end of the first precision resistance R7 and the first control chip U1 the
One feedback pin CSP is connected, and the second end of the second capacitor C2 is controlled with the second end of the first precision resistance R7 and first respectively
The second feedback pin CSN of chip U1 is connected.
The first end of third capacitor C3 is connected with the first end of the second capacitor C2, the second end ground connection of third capacitor C3.
The first end of 4th capacitor C4 is connected with the second end of the second capacitor C2, the second end ground connection of the 4th capacitor C4.
In a kind of possible implementation of the embodiment of the present application, the first onunit can be the first metal-oxide-semiconductor
MOSFET1, the control terminal of the first metal-oxide-semiconductor MOSFET1 are connected with the driving pin Gate of the first control chip U1, the first metal-oxide-semiconductor
The first end of MOSFET1 is connected with the second end of the first precision resistance R7, the second end of the first metal-oxide-semiconductor MOSFET1 and network interface card
First feeder ear is connected, and exports P12V_AUX_OCP.
The working principle of the first hot plug module is illustrated below.
Chip unit is controlled first, input voltage P12V_AUX is connected directly to the VCC pin of the first control chip U1,
Operating voltage is provided for the first control chip U1.Input voltage P12V_AUX is after first resistor R1 and second resistance R2 partial pressure
It is connected to the EN pin of the first control chip U1, provides enabled driving signal for the first control chip U1.
The EN pin inner setting of first control chip U1 has threshold threshold value V0, when input voltage P12V_AUX is through the first electricity
When voltage after hindering R1 and second resistance R2 partial pressure is greater than or equal to V0, the Gate pin of the first control chip U1 will export high electricity
Flat, driving MOSFET1 conducting, the first hot plug module exports P12V_AUX_OCP voltage, powers for network interface card, for example, network interface card mentions
For 12V voltage.The EN pin of first control chip U1 increases high-frequency filter capacitor C1, filters out input voltage P12V_AUX bring
High frequency noise interference, avoids the first control chip U1 from malfunctioning phenomenon.
The Ilim pin of first control chip U1 is directly grounded via 3rd resistor R3, sets the mistake of the first hot plug module
Stream protects point I0, wherein I0=k1*R3, and wherein k1 is overcurrent protection coefficient, is determined by the first control chip U1.When the first electric current
When feedback unit monitors that operating current I1 is greater than over-current protection point I0, the Gate pin of the first control chip U1 exports low electricity
Flat, MOSFET1 shutdown, the first hot plug module output voltage is 0, is stopped as network interface card power supply.
In the first current feedback unit, CSN and the CSP pipe of the first control of the first both ends precision resistance R7 connection chip U1
Foot further calculates input current for acquiring the pressure difference V1 at the first both ends precision resistance R7.Input voltage P12V_AUX is flowed through
The calculation formula of the operating current I1 of first precision resistance R7 is I1=V1/R7.
Second both ends capacitor C2 connect the first both ends precision resistance R7, are used to filtering common mode and interfere.Third capacitor C3 and
Four one end capacitor C4 connect two current feedback links respectively, and the other end is grounded respectively, for filtering out DM EMI.
In the first onunit, controller (pole the gate) connection first of MOSFET1 controls the Gate pin of chip U1, by
First control chip U1 controls its turn-on and turn-off.
To which the first hot plug module realizes the power supply between the first power supply link of mainboard and the first feeder ear of network interface card
Isolation, can provide first voltage for network interface card.
It is shown in Figure 5, show the schematic diagram of the second hot plug module in the embodiment of the present application, the second hot plug module
Structure it is similar with the structure of the first hot plug module, the second hot plug module may include:
Second control chip unit 501, the second current feedback unit 502 and the second onunit 503；Second control core
Blade unit is connected with the second current feedback unit, and the second current feedback unit is connected with the second onunit.
Second current feedback unit, for inputting second voltage after the second precision resistance to the second control chip unit
Second voltage it is poor.
Second control chip unit, when the second voltage for providing when the second power supply link reaches the second preset condition,
The second onunit is driven to be connected；The second operating current is calculated according to second voltage difference, when the second operating current is more than the second electricity
Flow threshold value, driving the second onunit shutdown.
Second onunit, for being supplied in conducting by the second of the second voltage input network interface card that the second power supply link provides
Electric end；Zero volts are inputted to the second feeder ear of network interface card when off.
Namely in the present embodiment, the second hot plug module is in specific work process, if second voltage can be to enable
Second voltage is then input to network interface card by the second control chip in the second control chip unit, driving the second onunit conducting
The second feeder ear；Meanwhile real-time second control chip unit real-time monitoring operating current, when there is overcurrent, the second conducting
Unit shutdown stops as network interface card power supply.Then the second hot plug module provides overcurrent protection function, when can avoid network interface card internal short-circuit
The problem of causing mainboard power down increases designed reliability.
It is shown in Figure 6, a kind of specific implementation schematic diagram of the second hot plug module in the embodiment of the present application is shown,
In, the second control chip unit may include:
Second control chip U2, the 4th resistance R4, the 5th resistance R5 and the 6th resistance R6.
The power pin VCC of second control chip U2 is connected with the second power supply link P3V3_AUX of mainboard.
Second power supply link P3V3_AUX of mainboard is connected with the first end of the 4th resistance R4, the second end of the 4th resistance R4
It is connected respectively with the enable pin EN of the first end of the 5th resistance R5 and the second control chip U2, the second end of the 5th resistance R5
Ground connection.
The first end of 6th resistance R6 is connected with the overcurrent protection pin Ilim of the second control chip U2, the 6th resistance R6's
Second end ground connection.
In one possible implementation, the second control chip unit further include: the 5th capacitor C5.
The first end of 5th capacitor C5 controls the enabled pipe of chip U2 with the first end of the 5th resistance R5 and second respectively
Foot EN is connected；The second end of 5th capacitor C5 is grounded.
Continue to be illustrated based on Fig. 6, in a kind of possible implementation of the embodiment of the present application, the second current feedback list
Member may include:
Second precision resistance R8, the 6th capacitor C6, the 7th capacitor C7 and the 8th capacitor C8.
Second power supply link P3V3_AUX of mainboard is connected with the first end of the second precision resistance R8, the second precision resistance R8
First end be connected with the first feedback pin CSP of the second control chip U2, the second end of the second precision resistance R8 is respectively with the
The the second feedback pin CSN and the second onunit of two control chip U2 is connected.
The first end of 6th capacitor C6 respectively with the first end of the second precision resistance R8 and the second control chip U2 the
One feedback pin CSP is connected, and the second end of the 6th capacitor C6 is controlled with the second end of the second precision resistance R8 and second respectively
The second feedback pin CSN of chip U2 is connected.
The first end of 7th capacitor C7 is connected with the first end of the 6th capacitor C6, the second end ground connection of the 7th capacitor C7.
The first end of 8th capacitor C8 is connected with the second end of the 6th capacitor C6, the second end ground connection of the 8th capacitor C8.
In a kind of possible implementation of the embodiment of the present application, the second onunit can be the second metal-oxide-semiconductor
MOSFET2, the control terminal of the second metal-oxide-semiconductor MOSFET2 are connected with the driving pin Gate of the second control chip U2, the second metal-oxide-semiconductor
The first end of MOSFET2 is connected with the second end of the second precision resistance R8, the second end of the second metal-oxide-semiconductor MOSFET2 and network interface card
Second feeder ear is connected, and exports P3V3_AUX_OCP.
The working principle of second hot plug module is similar with the working principle of the first hot plug module, inserts below to the second heat
The working principle of draft block is illustrated.
Chip unit is controlled second, input voltage P3V3_AUX is connected directly to the VCC pin of the second control chip U2,
Operating voltage is provided for the second control chip U2.Input voltage P3V3_AUX is after the 4th resistance R4 and the 5th resistance R5 partial pressure
It is connected to the EN pin of the second control chip U2, provides enabled driving signal for the second control chip U2.
The EN pin inner setting of second control chip U2 has threshold threshold value V0 ', when input voltage P3V3_AUX is through the 4th
When voltage after resistance R4 and the 5th resistance R5 partial pressure is greater than or equal to V0 ', the Gate pin of the second control chip U2 will be exported
High level, driving MOSFET2 conducting, the second hot plug module export P3V3_AUX_OCP voltage, power for network interface card, for example, net
Card provides 3.3V voltage.The EN pin of second control chip U2 increases high-frequency filter capacitor C5, filters out input voltage P3V3_AUX
The interference of bring high frequency noise, avoids the second control chip U2 from malfunctioning phenomenon.
The Ilim pin of second control chip U2 is directly grounded via the 6th resistance R6, sets the mistake of the second hot plug module
Stream protects point I0 ', wherein I0 '=k2*R6, and wherein k2 is overcurrent protection coefficient, is determined by the second control chip U2.When the second electricity
When stream feedback unit monitors that operating current I1 ' is greater than over-current protection point I0 ', the Gate pin output of the second control chip U2 is low
Level, MOSFET2 shutdown, the second hot plug module output voltage are 0, are stopped as network interface card power supply.
In the second current feedback unit, CSN and the CSP pipe of the second control of the second both ends precision resistance R8 connection chip U2
Foot further calculates input current for acquiring the pressure difference V1 ' at the second both ends precision resistance R8.Input voltage P3V3_AUX stream
The calculation formula of operating current I1 ' through the second precision resistance R8 is I1 '=V1 '/R8.
6th both ends capacitor C6 connect the second both ends precision resistance R8, are used to filtering common mode and interfere.7th capacitor C7 and
Eight one end capacitor C8 connect two current feedback links respectively, and the other end is grounded respectively, for filtering out DM EMI.
In the second onunit, controller (pole the gate) connection second of MOSFET2 controls the Gate pin of chip U2, by
Second control chip U2 controls its turn-on and turn-off.
To which the second hot plug module realizes the power supply between the second power supply link of mainboard and the second feeder ear of network interface card
Isolation, can provide second voltage for network interface card.
The embodiment of the present application realizes mainboard and network interface card by increasing hot plug module on power supply chain road of the mainboard to network interface card
For be electrically isolated, guarantee hot plug operations when it is noiseless to main board power supply link, realize the warm connection function of network interface card.Meanwhile having
There is overcurrent protection function, avoids the problem that causing mainboard power down when network interface card internal short-circuit.
It should be noted that each embodiment in this specification is described in a progressive manner, each embodiment emphasis is said
Bright is the difference from other embodiments, and the same or similar parts in each embodiment may refer to each other.For reality
For applying system or device disclosed in example, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
It should be appreciated that in this application, " at least one (item) " refers to one or more, and " multiple " refer to two or two
More than a."and/or" indicates may exist three kinds of relationships, for example, " A and/or B " for describing the incidence relation of affiliated partner
It can indicate: only exist A, only exist B and exist simultaneously tri- kinds of situations of A and B, wherein A, B can be odd number or plural number.Word
Symbol "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or"." at least one of following (a) " or its similar expression, refers to
Any combination in these, any combination including individual event (a) or complex item (a).At least one of for example, in a, b or c
(a) can indicate: a, b, c, " a and b ", " a and c ", " b and c ", or " a and b and c ", and wherein a, b, c can be individually, can also
To be multiple.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (11)
1. a kind of system for realizing network interface card hot plug, which is characterized in that the system comprises:
First hot plug module and the second hot plug module；The input terminal of first hot plug module and the first of mainboard supply
Current source road is connected, and the output end of first hot plug module is connected with the first feeder ear of network interface card；The second hot plug mould
The input terminal of block is connected with the second power supply link of the mainboard, output end and the network interface card of second hot plug module
Second feeder ear is connected；
First hot plug module, the first voltage for providing the first power supply link input the first of the network interface card
Feeder ear；
Second hot plug module, the second voltage for providing the second power supply link input the second of the network interface card
Feeder ear.
2. system according to claim 1, which is characterized in that first hot plug module includes:
First control chip unit, the first current feedback unit and the first onunit；It is described first control chip unit with
First current feedback unit is connected, and first current feedback unit is connected with first onunit；
First current feedback unit, for inputting the first voltage by the first essence to the first control chip unit
First voltage after cipher telegram resistance is poor；
The first control chip unit, the first voltage for providing when the first power supply link reach the first preset condition
When, drive the first onunit conducting；The first operating current is calculated according to the first voltage difference, when first work
Electric current is more than the first current threshold, drives the first onunit shutdown；
First onunit, for the first voltage that the first power supply link provides to be inputted the network interface card in conducting
The first feeder ear；Zero volts are inputted to the first feeder ear of the network interface card when off.
3. system according to claim 2, which is characterized in that described first, which controls chip unit, includes:
First control chip, first resistor, second resistance and 3rd resistor；
The power pin of the first control chip is connected with the first power supply link of the mainboard；
First power supply link of the mainboard is connected with the first end of the first resistor, the second end difference of the first resistor
It is connected with the enable pin of the first end of the second resistance and the first control chip, the second end of the second resistance
Ground connection；
The first end of the 3rd resistor is connected with the overcurrent protection pin of the first control chip, and the of the 3rd resistor
Two ends ground connection.
4. system according to claim 3, which is characterized in that the first control chip unit further include: first capacitor；
The first end of the first capacitor controls the enabled of chip with the first end of the second resistance and described first respectively
Pin is connected；The second end of the first capacitor is grounded.
5. system according to claim 3, which is characterized in that first current feedback unit includes:
First precision resistance, the second capacitor, third capacitor and the 4th capacitor；
First power supply link of the mainboard is connected with the first end of first precision resistance, and the of first precision resistance
One end is connected with the first feedback pin of the first control chip, and the second end of first precision resistance is respectively with described the
The second feedback pin and first onunit of one control chip are connected；
The first end of second capacitor controls chip with the first end of first precision resistance and described first respectively
First feedback pin is connected, the second end of second capacitor respectively with the second end of first precision resistance and described the
Second feedback pin of one control chip is connected；
The first end of the third capacitor is connected with the first end of second capacitor, the second end ground connection of the third capacitor；
The first end of 4th capacitor is connected with the second end of second capacitor, the second end ground connection of the 4th capacitor.
6. system according to claim 5, which is characterized in that first onunit be the first metal-oxide-semiconductor, described first
The control terminal of metal-oxide-semiconductor is connected with the driving pin of the first control chip, the first end of first metal-oxide-semiconductor and described first
The second end of precision resistance is connected, and the second end of first metal-oxide-semiconductor is connected with the first feeder ear of the network interface card.
7. system according to claim 1, which is characterized in that second hot plug module includes:
Second control chip unit, the second current feedback unit and the second onunit；It is described second control chip unit with
Second current feedback unit is connected, and second current feedback unit is connected with second onunit；
Second current feedback unit, for inputting the second voltage by the second essence to the second control chip unit
Second voltage after cipher telegram resistance is poor；
The second control chip unit, the second voltage for providing when the second power supply link reach the second preset condition
When, drive the second onunit conducting；The second operating current is calculated according to the second voltage difference, when second work
Electric current is more than the second current threshold, drives the second onunit shutdown；
Second onunit, for the second voltage that the second power supply link provides to be inputted the network interface card in conducting
The second feeder ear；Zero volts are inputted to the second feeder ear of the network interface card when off.
8. system according to claim 7, which is characterized in that described second, which controls chip unit, includes:
Second control chip, the 4th resistance, the 5th resistance and the 6th resistance；
The power pin of the second control chip is connected with the second power supply link of the mainboard；
Second power supply link of the mainboard is connected with the first end of the 4th resistance, the second end difference of the 4th resistance
It is connected with the enable pin of the first end of the 5th resistance and the second control chip, the second end of the 5th resistance
Ground connection；
The first end of 6th resistance is connected with the overcurrent protection pin of the second control chip, and the of the 6th resistance
Two ends ground connection.
9. system according to claim 8, which is characterized in that the second control chip unit further include: the 5th capacitor；
The first end of 5th capacitor controls the enabled of chip with the first end of the 5th resistance and described second respectively
Pin is connected；The second end of 5th capacitor is grounded.
10. system according to claim 8, which is characterized in that second current feedback unit includes:
Second precision resistance, the 6th capacitor, the 7th capacitor and the 8th capacitor；
Second power supply link of the mainboard is connected with the first end of second precision resistance, and the of second precision resistance
One end is connected with the first feedback pin of the second control chip, and the second end of second precision resistance is respectively with described the
The second feedback pin and second onunit of two control chips are connected；
The first end of 6th capacitor controls chip with the first end of second precision resistance and described second respectively
First feedback pin is connected, the second end of the 6th capacitor respectively with the second end of second precision resistance and described the
Second feedback pin of two control chips is connected；
The first end of 7th capacitor is connected with the first end of the 6th capacitor, the second end ground connection of the 7th capacitor；
The first end of 8th capacitor is connected with the second end of the 6th capacitor, the second end ground connection of the 8th capacitor.
11. system according to claim 10, which is characterized in that second onunit is the second metal-oxide-semiconductor, described the
The control terminal of two metal-oxide-semiconductors is connected with the driving pin of the second control chip, the first end of second metal-oxide-semiconductor and described the
The second end of two precision resistances is connected, and the second end of second metal-oxide-semiconductor is connected with the second feeder ear of the network interface card.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109212.8A CN109213713A (en) | 2018-09-21 | 2018-09-21 | A kind of system for realizing network interface card hot plug |
| PCT/CN2019/093318 WO2020057215A1 (en) | 2018-09-21 | 2019-06-27 | System for realizing hot plugging of network interface card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811109212.8A CN109213713A (en) | 2018-09-21 | 2018-09-21 | A kind of system for realizing network interface card hot plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109213713A true CN109213713A (en) | 2019-01-15 |
Family
ID=64985108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811109212.8A Pending CN109213713A (en) | 2018-09-21 | 2018-09-21 | A kind of system for realizing network interface card hot plug |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109213713A (en) |
| WO (1) | WO2020057215A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799894A (en) * | 2019-01-30 | 2019-05-24 | 郑州云海信息技术有限公司 | A kind of Power conversion board and power supply transfer method of compatible 12V and 48V |
| CN110649694A (en) * | 2019-09-20 | 2020-01-03 | 广东浪潮大数据研究有限公司 | NCSI network card power supply system |
| WO2020057215A1 (en) * | 2018-09-21 | 2020-03-26 | 郑州云海信息技术有限公司 | System for realizing hot plugging of network interface card |
| CN112350288A (en) * | 2019-08-09 | 2021-02-09 | 亚德诺半导体国际无限责任公司 | Communication terminal for hot-plug controller |
| CN112948304A (en) * | 2021-03-11 | 2021-06-11 | 迈普通信技术股份有限公司 | Hot plug board card and communication equipment |
| CN113193968A (en) * | 2021-04-01 | 2021-07-30 | 浪潮电子信息产业股份有限公司 | Multi-scene compatible power supply network card device and power supply method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712754A (en) * | 1996-04-15 | 1998-01-27 | Compaq Computer Corporation | Hot plug protection system |
| CN101820162A (en) * | 2010-05-18 | 2010-09-01 | 北京星网锐捷网络技术有限公司 | Overcurrent protector |
| US20150015300A1 (en) * | 2013-07-12 | 2015-01-15 | Linear Technology Corporation | Detecting faults in hot-swap applications |
| CN106502362A (en) * | 2016-10-21 | 2017-03-15 | 郑州云海信息技术有限公司 | A kind of electric supply installation of four component server and its method for designing |
| CN106598189A (en) * | 2016-12-20 | 2017-04-26 | 郑州云海信息技术有限公司 | Hot plug power supply device, method and system |
| CN206282265U (en) * | 2016-12-07 | 2017-06-27 | 台州职业技术学院 | A kind of hot-plug protection system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6263387B1 (en) * | 1997-10-01 | 2001-07-17 | Micron Electronics, Inc. | System for automatically configuring a server after hot add of a device |
| CN100470523C (en) * | 2006-05-31 | 2009-03-18 | 华为技术有限公司 | Thermal-plug controller and controlling method |
| CN106774772B (en) * | 2017-01-16 | 2018-07-20 | 郑州云海信息技术有限公司 | A kind of hot plug module is for electric installation, method and system |
| CN109213713A (en) * | 2018-09-21 | 2019-01-15 | 郑州云海信息技术有限公司 | A kind of system for realizing network interface card hot plug |
-
2018
- 2018-09-21 CN CN201811109212.8A patent/CN109213713A/en active Pending
-
2019
- 2019-06-27 WO PCT/CN2019/093318 patent/WO2020057215A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5712754A (en) * | 1996-04-15 | 1998-01-27 | Compaq Computer Corporation | Hot plug protection system |
| CN101820162A (en) * | 2010-05-18 | 2010-09-01 | 北京星网锐捷网络技术有限公司 | Overcurrent protector |
| US20150015300A1 (en) * | 2013-07-12 | 2015-01-15 | Linear Technology Corporation | Detecting faults in hot-swap applications |
| CN106502362A (en) * | 2016-10-21 | 2017-03-15 | 郑州云海信息技术有限公司 | A kind of electric supply installation of four component server and its method for designing |
| CN206282265U (en) * | 2016-12-07 | 2017-06-27 | 台州职业技术学院 | A kind of hot-plug protection system |
| CN106598189A (en) * | 2016-12-20 | 2017-04-26 | 郑州云海信息技术有限公司 | Hot plug power supply device, method and system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020057215A1 (en) * | 2018-09-21 | 2020-03-26 | 郑州云海信息技术有限公司 | System for realizing hot plugging of network interface card |
| CN109799894A (en) * | 2019-01-30 | 2019-05-24 | 郑州云海信息技术有限公司 | A kind of Power conversion board and power supply transfer method of compatible 12V and 48V |
| CN112350288A (en) * | 2019-08-09 | 2021-02-09 | 亚德诺半导体国际无限责任公司 | Communication terminal for hot-plug controller |
| CN112350288B (en) * | 2019-08-09 | 2024-03-12 | 亚德诺半导体国际无限责任公司 | Communication terminal for hot plug controller |
| CN110649694A (en) * | 2019-09-20 | 2020-01-03 | 广东浪潮大数据研究有限公司 | NCSI network card power supply system |
| WO2021051445A1 (en) * | 2019-09-20 | 2021-03-25 | 广东浪潮大数据研究有限公司 | Ncsi network card power supply system |
| CN110649694B (en) * | 2019-09-20 | 2023-09-22 | 广东浪潮大数据研究有限公司 | NCSI network card power supply system |
| CN112948304A (en) * | 2021-03-11 | 2021-06-11 | 迈普通信技术股份有限公司 | Hot plug board card and communication equipment |
| CN112948304B (en) * | 2021-03-11 | 2021-12-17 | 迈普通信技术股份有限公司 | Hot plug board card and communication equipment |
| CN113193968A (en) * | 2021-04-01 | 2021-07-30 | 浪潮电子信息产业股份有限公司 | Multi-scene compatible power supply network card device and power supply method thereof |
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|---|---|
| WO2020057215A1 (en) | 2020-03-26 |
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