CN110399030A - A kind of anti-electric current percussion mechanism, method and server master board - Google Patents
A kind of anti-electric current percussion mechanism, method and server master board Download PDFInfo
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- CN110399030A CN110399030A CN201910701531.6A CN201910701531A CN110399030A CN 110399030 A CN110399030 A CN 110399030A CN 201910701531 A CN201910701531 A CN 201910701531A CN 110399030 A CN110399030 A CN 110399030A
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- bimetal leaf
- electric current
- current
- limiting resistance
- deformation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
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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)
- Thermally Actuated Switches (AREA)
Abstract
This application discloses a kind of anti-electric current percussion mechanism, method and server master boards, including the current-limiting resistance and bimetal leaf being set between input capacitance and power supply module, one end is connect, for the electromagnetism suction piece of the absorption bimetal leaf when the deformation quantity of bimetal leaf reaches preset value with current-limiting resistance, wherein: current-limiting resistance, for when motherboard power supply powers on, the heat transmission that generates when electric current passes through will be powered on to bimetal leaf；Bimetal leaf, for deformation occurs after receiving heat.The application increases bimetal leaf, current-limiting resistance and electromagnetism suction piece in input capacitance front end; it powers on electric current and passes through bimetal leaf and current-limiting resistance; resistance heating causes bimetal leaf deformation, and bimetal leaf deformation is contacted with electromagnetism suction piece is shorted current-limiting resistance, completes the anti-electric current surge protection of powered on moment.In addition, bimetal leaf is enable to respond quickly, fever can quick deformation, and the bimetal leaf has preferable flexibility, can be realized multiple quick response and recovery.
Description
Technical field
This application involves server fields, more particularly to a kind of anti-electric current percussion mechanism, method and server master board.
Background technique
Server is very high to the stability requirement of motherboard power supply, and the stabilization of motherboard power supply is the base of server high reliability
Plinth.Server master board electric current is bigger at present, and the input capacitance of motherboard power supply selects also bigger sometimes, works as powered on moment
Rush of current is larger when to capacitor charging, the service life of capacitor such as can be reduced without Reasonable Protection, while generating larger interference.
Shown in referring to Fig.1, existing anti-rush of current scheme is to increase current-limiting resistance R0, current-limiting resistance in the front end input capacitance C0 mostly
One relay K of parallel connection, electric current again charges to input capacitance C0 after first passing through current-limiting resistance R0 upon power-up, is examined by control circuit
Capacitor charging state is surveyed, control circuit control relay K closure is shorted current-limiting resistance R0 after charging complete, powers on to realize
Anti- electric current surge protection.Existing scheme composition component is more, structure is more complicated, higher cost, while because needing control circuit
It detects the charged state of input capacitance and the movement of output control signal control relay, response time is relatively slow.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that those skilled in the art need to solve at present
Problem.
Summary of the invention
The purpose of the application is to provide a kind of anti-electric current percussion mechanism, method and server master board, power on electric current pass through it is double
Sheet metal and current-limiting resistance, current-limiting resistance resistance heating cause bimetal leaf deformation, and bimetal leaf deformation is contacted with electromagnetism suction piece
It is shorted current-limiting resistance, completes the anti-electric current surge protection of powered on moment, bimetal leaf has preferable flexibility, can be realized multiple fast
Speed response and recovery.
In order to solve the above technical problems, this application provides a kind of anti-electric current percussion mechanisms, including be set to input capacitance with
Current-limiting resistance and bimetal leaf between power supply module, one end are connect, in the bimetal leaf with the current-limiting resistance
Deformation quantity adsorbs the electromagnetism suction piece of the bimetal leaf when reaching preset value, in which:
The current-limiting resistance will power on the heat transmission that generates when electric current passes through to institute for when motherboard power supply powers on
State bimetal leaf；
The bimetal leaf, for deformation occurs after receiving the heat.
Preferably, the electromagnetism suction piece is set to the surface of the bimetal leaf.
Preferably, the spacing of the electromagnetism suction piece and the bimetal leaf is true according to the deformation behavior of the bimetal leaf
It is fixed.
In order to solve the above technical problems, being applied to present invention also provides a kind of anti-electric current impact method as any above
Anti- electric current percussion mechanism described in one, comprising:
When motherboard power supply powers on, the heat transmission generated when electric current passes through will be powered on to double gold by current-limiting resistance
Belong to piece, deformation occurs so that the bimetal leaf is after receiving the heat；
When the deformation quantity of the bimetal leaf reaches preset value, the bimetal leaf is adsorbed by electromagnetism suction piece.
Preferably, the electromagnetism suction piece is set to the surface of the bimetal leaf.
Preferably, the spacing of the electromagnetism suction piece and the bimetal leaf is true according to the deformation behavior of the bimetal leaf
It is fixed.
In order to solve the above technical problems, present invention also provides a kind of server master boards, including such as any one institute above
The anti-electric current percussion mechanism stated.
This application provides a kind of anti-electric current percussion mechanisms, including the current limliting electricity being set between input capacitance and power supply module
Resistance and bimetal leaf, one end are connect, for adsorbing bimetallic when the deformation quantity of bimetal leaf reaches preset value with current-limiting resistance
The electromagnetism suction piece of piece, in which: current-limiting resistance is passed for when motherboard power supply powers on, will power on the heat generated when electric current passes through
Transport to bimetal leaf；Bimetal leaf, for deformation occurs after receiving heat.In practical applications, using the side of the application
Case increases bimetal leaf, current-limiting resistance and electromagnetism suction piece in input capacitance front end, powers on electric current and passes through bimetal leaf and current limliting electricity
Resistance, resistance heating cause bimetal leaf deformation, and bimetal leaf deformation is contacted with electromagnetism suction piece is shorted current-limiting resistance, and completion powers on wink
Between anti-electric current surge protection.In addition, bimetal leaf is enable to respond quickly, fever can quick deformation, and the bimetal leaf have compared with
Good flexibility, can be realized multiple quick response and recovery.Present invention also provides a kind of anti-electric current impact method and services
Device mainboard has beneficial effect identical with above-mentioned anti-electric current percussion mechanism.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the application
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of anti-electric current percussion mechanism in the prior art；
Fig. 2 is a kind of structural schematic diagram of anti-electric current percussion mechanism provided herein；
Fig. 3 is a kind of structural schematic diagram of anti-electric current percussion mechanism provided herein；
Fig. 4 is a kind of step flow chart of anti-electric current impact method provided herein.
Specific embodiment
The core of the application is to provide a kind of anti-electric current percussion mechanism, method and server master board, power on electric current pass through it is double
Sheet metal and current-limiting resistance, current-limiting resistance resistance heating cause bimetal leaf deformation, and bimetal leaf deformation is contacted with electromagnetism suction piece
It is shorted current-limiting resistance, completes the anti-electric current surge protection of powered on moment, bimetal leaf has preferable flexibility, can be realized multiple fast
Speed response and recovery.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Referring to figure 2., Fig. 2 is a kind of structural schematic diagram of anti-electric current percussion mechanism provided herein, the anti-electric current
Percussion mechanism includes:
Current-limiting resistance R and bimetal leaf 1 between input capacitance and power supply module, one end connect with current-limiting resistance R,
For adsorbing the electromagnetism suction piece 2 of bimetal leaf 1 when the deformation quantity of bimetal leaf 1 reaches preset value, in which:
Current-limiting resistance R will power on the heat transmission that generates when electric current passes through to bimetallic for when motherboard power supply powers on
Piece 1；
Bimetal leaf 1, for deformation occurs after receiving heat.
Specifically, current-limiting resistance R and bimetal leaf 1 are arranged in series between input capacitance and power supply module, current-limiting resistance R
It is referred to shown in Fig. 2 with the position of bimetal leaf 1, i.e., bimetal leaf 1 is connect with power supply module, current-limiting resistance R and input electricity
Hold connection, is also referred to shown in Fig. 3, i.e. current-limiting resistance R is connect with power supply module, and bimetal leaf 1 is connect with input capacitance.
Specifically, powering on electric current when motherboard power supply powers on and passing through bimetal leaf 1 and current-limiting resistance R, current-limiting resistance R hair
Thermally-induced 1 deformation of bimetal leaf, 1 deformation of bimetal leaf are contacted with electromagnetism suction piece 2, are shorted current-limiting resistance R, member device needed for the application
Part is less, can complete the anti-electric current surge protection of powered on moment at lower cost.Electromagnetism suction piece 2 has electric current to be magnetic by rear band,
It adsorbs bimetal leaf 1 and realizes that electromagnetism suction piece 2 and bimetal leaf 1 are persistently attracted, electromagnetism suction piece 2 is magnetic after power-off disappears, double gold
Belong to piece 1 and restores normal.
Wherein, bimetal leaf 1 is enable to respond quickly, fever can quick deformation, and bimetal leaf 1 has preferable flexibility,
It can be realized multiple quick response and recovery.
This application provides a kind of anti-electric current percussion mechanisms, including the current limliting electricity being set between input capacitance and power supply module
Resistance and bimetal leaf, one end are connect, for adsorbing bimetallic when the deformation quantity of bimetal leaf reaches preset value with current-limiting resistance
The electromagnetism suction piece of piece, in which: current-limiting resistance is passed for when motherboard power supply powers on, will power on the heat generated when electric current passes through
Transport to bimetal leaf；Bimetal leaf, for deformation occurs after receiving heat.In practical applications, using the side of the application
Case increases bimetal leaf, current-limiting resistance and electromagnetism suction piece in input capacitance front end, powers on electric current and passes through bimetal leaf and current limliting electricity
Resistance, resistance heating cause bimetal leaf deformation, and bimetal leaf deformation is contacted with electromagnetism suction piece is shorted current-limiting resistance, and completion powers on wink
Between anti-electric current surge protection.In addition, bimetal leaf is enable to respond quickly, fever can quick deformation, and the bimetal leaf have compared with
Good flexibility, can be realized multiple quick response and recovery.
On the basis of the above embodiments:
Embodiment as one preferred, electromagnetism suction piece 2 are set to the surface of bimetal leaf 1.
The spacing of embodiment as one preferred, electromagnetism suction piece 2 and bimetal leaf 1 is special according to the deformation of bimetal leaf 1
Property determine.
Specifically, for convenient for electromagnetism suction piece 2 adsorb bimetal leaf 1, can by electromagnetism suction piece 2 be set to bimetal leaf 1 just on
Side or underface, the fever of bimetal leaf 1 start deformation, when its deformation quantity reaches preset value, electromagnetism suction piece 2 and bimetal leaf 1
Contact, electromagnetism suction piece 2 has electric current to be magnetic by band at this time, adsorbs bimetal leaf 1, realizes that electromagnetism suction piece 2 and bimetal leaf 1 are held
It is continuous to be attracted.
Further, deformation occurs to avoid bimetal leaf 1 one can contact or bimetal leaf 1 with electromagnetism suction piece 2
Deformation quantity reach the case where maximum value can not still be contacted with electromagnetic chip, cope between bimetal leaf 1 and electromagnetism suction piece 2
Away from being defined, which should determine according to the deformation behavior of bimetal leaf 1, generally can be set to 2-3mm or so.
Referring to figure 4., Fig. 4 is a kind of anti-electric current impact method provided herein, is applied to such as any one above
Anti- electric current percussion mechanism, which includes:
Step 1: when motherboard power supply powers on, the heat transmission generated when electric current passes through will be powered on to double by current-limiting resistance
Sheet metal, so that deformation occurs after receiving heat for bimetal leaf；
Step 2: when the deformation quantity of bimetal leaf reaches preset value, bimetal leaf being adsorbed by electromagnetism suction piece.
Embodiment as one preferred, electromagnetism suction piece are set to the surface of bimetal leaf.
The spacing of embodiment as one preferred, electromagnetism suction piece and bimetal leaf is true according to the deformation behavior of bimetal leaf
It is fixed.
A kind of anti-electric current impact method provided herein has identical with above-mentioned anti-electric current percussion mechanism beneficial to effect
Fruit.
Above-described embodiment is please referred to for a kind of introduction of anti-electric current impact method provided herein, the application is herein
It repeats no more.
In order to solve the above technical problems, present invention also provides a kind of server master board, including such as any one above
Anti- electric current percussion mechanism.
A kind of server master board provided herein has beneficial effect identical with above-mentioned anti-electric current percussion mechanism.
Above-described embodiment please referred to for a kind of introduction of server master board provided herein, the application is herein no longer
It repeats.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
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 (7)
1. a kind of anti-electric current percussion mechanism, which is characterized in that including the current-limiting resistance being set between input capacitance and power supply module
And bimetal leaf, one end are connect, for the absorption when the deformation quantity of the bimetal leaf reaches preset value with the current-limiting resistance
The electromagnetism suction piece of the bimetal leaf, in which:
The current-limiting resistance, for the heat transmission generated when electric current passes through when motherboard power supply powers on, will to be powered on to described pair
Sheet metal；
The bimetal leaf, for deformation occurs after receiving the heat.
2. anti-electric current percussion mechanism according to claim 1, which is characterized in that the electromagnetism suction piece is set to the bimetallic
The surface of piece.
3. anti-electric current percussion mechanism according to claim 2, which is characterized in that the electromagnetism suction piece and the bimetal leaf
Spacing according to the deformation behavior of the bimetal leaf determine.
4. a kind of anti-electric current impact method, which is characterized in that be applied to anti-electric current punching as claimed in any one of claims 1-3
Hit device, comprising:
When motherboard power supply powers on, the heat transmission generated when electric current passes through will be powered on to the bimetallic by current-limiting resistance
Piece, so that the bimetal leaf is after receiving the heat, deformation occurs；
When the deformation quantity of the bimetal leaf reaches preset value, the bimetal leaf is adsorbed by electromagnetism suction piece.
5. anti-electric current impact method according to claim 4, which is characterized in that the electromagnetism suction piece is set to the bimetallic
The surface of piece.
6. anti-electric current impact method according to claim 5, which is characterized in that the electromagnetism suction piece and the bimetal leaf
Spacing according to the deformation behavior of the bimetal leaf determine.
7. a kind of server master board, which is characterized in that filled including anti-rush of current as claimed in any one of claims 1-3
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701531.6A CN110399030B (en) | 2019-07-31 | 2019-07-31 | Current impact prevention device and method and server mainboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910701531.6A CN110399030B (en) | 2019-07-31 | 2019-07-31 | Current impact prevention device and method and server mainboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110399030A true CN110399030A (en) | 2019-11-01 |
| CN110399030B CN110399030B (en) | 2021-03-09 |
Family
ID=68326828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910701531.6A Active CN110399030B (en) | 2019-07-31 | 2019-07-31 | Current impact prevention device and method and server mainboard |
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| CN (1) | CN110399030B (en) |
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| CN101047294A (en) * | 2006-03-31 | 2007-10-03 | 黄华道 | Leakage protection socket |
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| CN110399030B (en) | 2021-03-09 |
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