CN208767971U - A kind of device improving power supply conducting power - Google Patents
A kind of device improving power supply conducting power Download PDFInfo
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- CN208767971U CN208767971U CN201821443272.9U CN201821443272U CN208767971U CN 208767971 U CN208767971 U CN 208767971U CN 201821443272 U CN201821443272 U CN 201821443272U CN 208767971 U CN208767971 U CN 208767971U
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- 238000000034 method Methods 0.000 abstract description 6
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
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Abstract
The utility model embodiment provides a kind of device for improving power supply conducting power, increases by the first filter unit in the front of server power block PSU, the first filter unit includes EMI filter module or the socket with EMI filter module.By adjusting the X capacitor of EMI filter module, Y capacitance, common mode inductance, differential mode inductance parameter in the first filter unit, it can guarantee that the power supply conduction of high-power server entirety reaches B grades of levels, it can only achieve A grades of levels relative to large power supply power supply conducting power in the industry, the outside conducted emission signal of server power supply is effectively reduced, properties of product is made to be greatly improved.In addition the utility model embodiment also proposed the second filter unit, and the second filter unit includes EMI filter module or the socket with EMI filter module, and creative is applied in server industries, and this method improves the power supply transport properties of server.
Description
Technical field
The utility model relates to power supply Conduction Interference fields, specifically provide a kind of device for improving power supply conducting power.
Background technique
In the server, due to PSU volume, weight, power density, in terms of plurality of advantages, it is wide
It applies generally.However, the electromagnetic wave of electric/electronic device radiation and leakage is serious with the universal and development of digital circuit
The normal work for disturbing other electric/electronic devices becomes a kind of invisible pollution.Simultaneously with the compatible regulation of international electromagnetic
It is increasingly strict, the Electro Magnetic Compatibility index request of product is higher and higher.It is mutual dry between electric/electronic device in order to reduce
It disturbs, builds good electromagnetism working environment, respective electromagnetic compatibility standard has all been formulated in countries in the world, so that equipment is mutual
Work coordination, IEC61000 and CISPR series standard, the EN series standard of the European Community, the U.S. such as International Electrotechnical Commission
The FCC series standard of Federal Communications Committee, North-America standard etc..The existing 3C series electromagnetic compatibility standard in China is mainly joined
According to CISPR revision.Therefore, the research of the electromagnetic compatibility problem of server PS U is very necessary.In recent years, in electric power electricity
While sub- technology is greatly developed, a technology difficulty that people commonly encounter in the Electro Magnetic Compatibility research process of electric power network
Topic is exactly Conduction Interference problem.Conduction Interference mainly include device signal line Conduction Interference, ground line altogether impedance disturbances and
Power supply line Conduction Interference, wherein the Conduction Interference on power supply line endangers maximum, inhibits link also the weakest.
In the prior art, for the power supply conducting problem of server large power supply, there are no very good solutions for industry
Scheme, for all power supply manufacturers in server industries, the power supply of 500W, 800W can meet power supply conduction B reluctantly
Grade requires, but power is higher than the power supply (1300W, 1800W and higher) of this grade, and entire server industries are not yet
Good solution, but with product Highgrade integration, high power power is more and more applied in product, high power electricity
It is the challenge that we face that how source, which meets design requirement,.
Summary of the invention
In order to solve the above problems, the utility model proposes it is a kind of improve power supply conducting power device, can significantly improve
The conducting power of power supply.
The utility model provides a kind of device for improving power supply conducting power, including the first filter unit, PSU and survey
Try equipment；The input terminal of first filter unit connects alternating current 220V；The output end connection PSU's of first filter unit
Input terminal；The output end connecting test equipment of the PSU.
Further, first filter unit is EMI filter module or the socket with EMI filter module.
Further, the device further includes the second filter unit, and the input terminal of second filter unit connects PSU
Output end, the output end connecting test equipment of second filter unit.
Further, second filter unit is EMI filter module or the socket with EMI filter module.
Further, the EMI filter module includes the first power input L, second source input terminal N, the first power supply
Output end L ', second source output end N ', the first X capacitor CX1, the 2nd X capacitor CX2, the first differential mode inductance L1, the first common mode
Inductance L2, the first Y capacitance CY1 and the second Y capacitance CY2；
First differential mode inductance L1 includes first coil P1 and the second coil P2；First common mode inductance L2 includes tertiary coil P3
With the 4th coil P4；
One end of the first X capacitor CX1 of first power input L connection and one end of first coil P1；Second source input
Hold the other end of the first X capacitor CX1 of N connection and one end of the second coil P2；The other end of first coil P connects tertiary coil
One end of P3；The other end of second coil P2 connects one end of the 4th coil P4；The other end connection the of tertiary coil P3
One end, first one end Y capacitance CY1 and the first power output end L ' of two X capacitor CX2；The other end of 4th coil P4 connects
Other end, the second Y capacitance CY2 and the second source output end N ' of 2nd X capacitor CX2；First Y capacitance CY, 1 other end and
Two Y capacitance CY2 other ends ground connection.
Further, the first differential mode inductance L1 inductance value is set as 1.8mH.
Further, the first common mode inductance L2 inductance value range 45mH~80mH.
Further, the capacitance of the first X capacitor CX1 and the 2nd X capacitor CX2 are set as 1uF.
Further, the capacitance of the first Y capacitance CY1 and the second Y capacitance CY2 are set as 4700pF.
The effect provided in the content of the present invention is only the effect of embodiment, rather than the whole that utility model is all
Effect, it is above-mentioned it is a kind of improve power supply conducting power device have the following advantages that or the utility model has the advantages that
The utility model embodiment provides a kind of device for improving power supply conducting power, in server power block PSU
Front increase the first filter unit, the first filter unit includes EMI filter module or the socket with EMI filter module.It is logical
Cross X capacitor, Y capacitance, the common mode inductance, differential mode inductance parameter of EMI filter module in the first filter unit of adjustment, it is ensured that big
The power supply conduction of power service device entirety reaches B grades of levels, can only relative to large power supply power supply conducting power in the industry
Reach A grades of levels, effectively reduces the outside conducted emission signal of server power supply, properties of product is made to be greatly improved.In addition originally
Utility model embodiment also proposed the second filter unit, and the second filter unit includes EMI filter module or filters with EMI
The socket of module, creative is applied in server industries, and this method improves the power supply transport properties of server.Pass through simultaneously
Second filter unit is applied to server, test equipment is connected with the second filter unit, then the second filter unit and service
The PSU of device is connected, and test equipment in normal work, first passes around the second filter unit, then into the power module of server,
By adjusting the parameter of the second filter unit, reach good power filter effect.Increase by the first filtering before server PS U
Unit is the main means for inhibiting electric/electronic device Conduction Interference, improving electric/electronic device conducted susceptibility level, and
Guarantee the important ancillary measure of electric/electronic device entirety or shadow shield efficiency.
Detailed description of the invention
Fig. 1 is the design drawing that 1 server of the utility model embodiment increases by the first filter unit；
Fig. 2 is the EMI filtering modular structure schematic diagram based on the utility model embodiment 1；
Fig. 3 is the EMI filter module circuit diagram based on the utility model embodiment 1；
Fig. 4 is EMI filter module and PSU connection schematic diagram based on the utility model embodiment 1；
Fig. 5 is the jack design figure with EMI filter module based on the utility model embodiment 1；
Fig. 6 is that the server of the utility model embodiment 2 increases the design drawing of the second filter unit.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.Following disclosure provides many different embodiments or example is used to realize the utility model
Different structure.In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.In addition,
The utility model can in different examples repeat reference numerals and/or letter.This repetition is for simplified and clear mesh
, the relationship between discussed various embodiments and/or setting itself is not indicated.It should be noted that illustrated in the accompanying drawings
Component is not drawn necessarily to scale.The description to known assemblies and treatment technology and process is omitted to avoid not in the utility model
Necessarily limit the utility model.
Embodiment 1
The utility model embodiment provides a kind of device for improving power supply conducting power, including the first filter unit, PSU
And test equipment.
It is as shown in Figure 1 to increase by the first filter unit design drawing in server for the utility model embodiment 1.First filtering
The input terminal of unit connects alternating current 220V, the input terminal of the output end connection PSU of the first filter unit, the output end connection of PSU
Test equipment.First filter unit is EMI filter module or the socket with EMI filter module.Electricity is improved by the device
The conducting power in source.Power supply line first passes through attaching plug, is connected to afterwards by connecting line to the first filter unit, then by cable
PSU, PSU are powered to server, and it is that the first filter unit is necessarily mounted at clothes that wherein one important in installation process
It is engaged on the metal flat of device, the ground of the first filtering filter unit must carry out Low ESR connection with the ground of server.
It is illustrated in figure 2 the EMI filtering modular structure schematic diagram based on the utility model embodiment 1, the EMI filter module
Including the first power input L, second source input terminal N, the first power output end L ', second source output end N ', further include
Ground wire input terminal E and ground line output terminal E.
It is illustrated in figure 3 the EMI filter module internal circuit diagram based on the utility model embodiment 1, EMI filter module,
Including the first power input L, second source input terminal N, the first power output end L ', second source output end N ', the first X electricity
Hold CX1, the 2nd X capacitor CX2, the first differential mode inductance L1, the first common mode inductance L2, the first Y capacitance CY1 and the second Y capacitance CY2.
Wherein X capacitor is the capacitor being connected across between two line of power line (L-N), generally selection metal thin film capacitor；When X electricity
Hold capacitance and select 1uF, can achieve optimal filter effect.Y capacitance be connected across between two line of power line and ground respectively (L-E,
N-E capacitor) usually occurs in pairs.When Y capacitance value is in 4700pF, best filter effect can achieve.
First differential mode inductance L1 includes first coil P1 and the second coil P2；First coil P1 and the second coil P2 are
A coil being wound on an iron core.First differential mode inductance acts in common-mode signal, for inhibiting the filtering of DM EMI
Inductance can achieve best filter effect when the value of the first differential mode inductance L1 is 1.8mH.First common mode inductance (L2) packet
Include tertiary coil P3 and the 4th coil P4；Tertiary coil P3 and the 4th coil P4 be the circle number that is wound on same iron core it is equal,
Diameter of wire is equal, around to two groups of opposite coils.On the one hand first common mode inductance (L2) effect will filter out common mode on signal wire
On the other hand electromagnetic interference inhibits itself not send out electromagnetic interference again, avoid influencing other electricity under same electromagnetic environment
The normal work of sub- equipment.When the value of the first common mode inductance (L2) is between 45mH~80mH, best filtering can achieve
Effect.
Particular circuit configurations inside EMI filter module are as follows: one end of the first X capacitor CX1 of the first power input L connection
With one end of first coil P1；The one of the other end of the first X capacitor CX1 of second source input terminal N connection and the second coil P2
End；One end of the other end connection tertiary coil P3 of first coil P；The other end of second coil P2 connects the 4th coil P4
One end；The other end of tertiary coil P3 connects one end, first one end Y capacitance CY1 and the first power supply of the 2nd X capacitor CX2
Output end L '；The other end of 4th coil P4 connects the other end of the 2nd X capacitor CX2, the electricity of the second Y capacitance CY2 and second
Source output terminal N '；First Y capacitance CY, 1 other end and second Y capacitance CY2 other end ground connection.
It is illustrated in figure 4 EMI filter module and PSU connection schematic diagram based on the utility model embodiment 1, EMI filtering
Module is inserted on PSU by connector.PSU changes the 220V power supply unit exchange Denso by EMI filter module into direct current
Electricity is powered to server, is tested for the power supply conducting power to server.
It is illustrated in figure 5 the jack design figure with EMI filter module based on the utility model embodiment 1；With EMI
The socket of filter module includes attaching plug, EMI filter module and jack module；The input terminal and power supply of EMI filter module are inserted
Head is connected；The output end of EMI filter module is connected with jack module.Attaching plug can connect 220V alternating current.
The completely new electromagnetism the relevant technologies of socket applications with EMI filter module, have the function of common converter
Both power supply was expanded, and was flexibly and easily the function of multi-section equipment power supply, simultaneously because using filtering shield technology, can be made defeated
It is more stable out, it can more play the role of the connected information equipment power supply line conducts information leakage of the system of facing upward.
Embodiment 2
In conjunction with the embodiments 1, the utility model embodiment 2 proposes a kind of scheme for increasing by the second filter unit in server
Figure.
As shown in fig. 6, the device includes the first filter unit, PSU, the second filter unit and test equipment.First filtering
The input terminal of unit connects alternating current 220V；The input terminal of the output end connection PSU of first filter unit；The output end of PSU connects
The input terminal of second filter unit；The output end connecting test equipment of second filter unit.
First filter unit is EMI filter module or the socket with EMI filter module, electricity inside the EMI filter module
Road, including the first power input L, second source input terminal N, the first power output end L ', second source output end N ', first
X capacitor CX1, the 2nd X capacitor CX2, the first differential mode inductance L1, the first common mode inductance L2, the first Y capacitance CY1 and the second Y capacitance
CY2。
Wherein X capacitor is the capacitor being connected across between two line of power line (L-N), generally selection metal thin film capacitor；When X electricity
Hold capacitance and select 1uF, can achieve optimal filter effect.Y capacitance be connected across between two line of power line and ground respectively (L-E,
N-E capacitor) usually occurs in pairs.When Y capacitance value is in 4700pF, best filter effect can achieve.
First differential mode inductance L1 includes first coil P1 and the second coil P2；First coil P1 and the second coil P2 are
A coil being wound on an iron core.First differential mode inductance acts in common-mode signal, for inhibiting the filtering of DM EMI
Inductance can achieve best filter effect when the value of the first differential mode inductance L1 is 1.8mH.First common mode inductance (L2) packet
Include tertiary coil P3 and the 4th coil P4；Tertiary coil P3 and the 4th coil P4 be the circle number that is wound on same iron core it is equal,
Diameter of wire is equal, around to two groups of opposite coils.On the one hand first common mode inductance (L2) effect will filter out common mode on signal wire
On the other hand electromagnetic interference inhibits itself not send out electromagnetic interference again, avoid influencing other electricity under same electromagnetic environment
The normal work of sub- equipment.When the value of the first common mode inductance (L2) is between 45mH~80mH, best filtering can achieve
Effect.
Particular circuit configurations inside EMI filter module are as follows: one end of the first X capacitor CX1 of the first power input L connection
With one end of first coil P1；The one of the other end of the first X capacitor CX1 of second source input terminal N connection and the second coil P2
End；One end of the other end connection tertiary coil P3 of first coil P；The other end of second coil P2 connects the 4th coil P4
One end；The other end of tertiary coil P3 connects one end, first one end Y capacitance CY1 and the first power supply of the 2nd X capacitor CX2
Output end L '；The other end of 4th coil P4 connects the other end of the 2nd X capacitor CX2, the electricity of the second Y capacitance CY2 and second
Source output terminal N '；First Y capacitance CY, 1 other end and second Y capacitance CY2 other end ground connection.
Socket with EMI filter module；Including attaching plug, EMI filter module and jack module；EMI filter module
Input terminal be connected with attaching plug；The output end of EMI filter module is connected with jack module.Attaching plug can connect 220V
Alternating current.
The input terminal of the output end connection PSU of first filter unit；PSU will be handed over by the 220V of the first filter unit processing
Galvanic electricity dress changes direct current into, and the output end of PSU connects the input terminal of the second filter unit.Second filter unit is that EMI filters mould
Block or socket with EMI filter module.
The EMI filter module internal circuit, including the first power input L, second source input terminal N, the first power supply are defeated
Outlet L ', second source output end N ', the first X capacitor CX1, the 2nd X capacitor CX2, the first differential mode inductance L1, the first common mode electricity
Feel L2, the first Y capacitance CY1 and the second Y capacitance CY2.
Wherein X capacitor is the capacitor being connected across between two line of power line (L-N), generally selection metal thin film capacitor；When X electricity
Hold capacitance and select 1uF, can achieve optimal filter effect.Y capacitance be connected across between two line of power line and ground respectively (L-E,
N-E capacitor) usually occurs in pairs.When Y capacitance value is in 4700pF, best filter effect can achieve.
First differential mode inductance L1 includes first coil P1 and the second coil P2；First coil P1 and the second coil P2 are
A coil being wound on an iron core.First differential mode inductance acts in common-mode signal, for inhibiting the filtering of DM EMI
Inductance can achieve best filter effect when the value of the first differential mode inductance L1 is 1.8mH.First common mode inductance (L2) packet
Include tertiary coil P3 and the 4th coil P4；Tertiary coil P3 and the 4th coil P4 be the circle number that is wound on same iron core it is equal,
Diameter of wire is equal, around to two groups of opposite coils.On the one hand first common mode inductance (L2) effect will filter out common mode on signal wire
On the other hand electromagnetic interference inhibits itself not send out electromagnetic interference again, avoid influencing other electricity under same electromagnetic environment
The normal work of sub- equipment.When the value of the first common mode inductance (L2) is between 45mH~80mH, best filtering can achieve
Effect.
Particular circuit configurations inside EMI filter module are as follows: one end of the first X capacitor CX1 of the first power input L connection
With one end of first coil P1；The one of the other end of the first X capacitor CX1 of second source input terminal N connection and the second coil P2
End；One end of the other end connection tertiary coil P3 of first coil P；The other end of second coil P2 connects the 4th coil P4
One end；The other end of tertiary coil P3 connects one end, first one end Y capacitance CY1 and the first power supply of the 2nd X capacitor CX2
Output end L '；The other end of 4th coil P4 connects the other end of the 2nd X capacitor CX2, the electricity of the second Y capacitance CY2 and second
Source output terminal N '；First Y capacitance CY, 1 other end and second Y capacitance CY2 other end ground connection.
Socket with EMI filter module；Including attaching plug, EMI filter module and jack module；EMI filter module
Input terminal be connected with attaching plug；The output end of EMI filter module is connected with jack module.Attaching plug can connect 220V
Alternating current.
Test equipment is connected with the second filter unit, and then the second filter unit is connected with the PSU of server.Test equipment
In normal work, the second filter unit is first passed around, then into the power module of server, by adjusting EMI filter module
Parameter, reach good power filter effect.Increasing by the first filter unit before server PS U is that electric and electronic is inhibited to set
Standby Conduction Interference, the main means for improving electric/electronic device conducted susceptibility level, and guarantee that electric/electronic device is whole
Or the important ancillary measure of shadow shield efficiency.
The utility model provides a kind of device for improving power supply conducting power, by adjusting EMI filter module parameter, makes
Product high power power also can prevent power supply signal from entering sensitive equipment by B level power supply conduction test, to greatly reduce and be
System causes the influence of electromagnetism Interference.
Although specification and drawings and examples have been carried out detailed description to the utility model creation, ability
Field technique personnel should be appreciated that still to create the utility model and be modified or replaced equivalently；And all are not departed from
The technical solution and its improvement for the spirit and scope that the utility model is created are encompassed by the guarantor that the utility model creates patent
It protects in range.
Claims (9)
1. a kind of device for improving power supply conducting power, which is characterized in that including the first filter unit, PSU and test equipment；Institute
State the input terminal connection alternating current 220V of the first filter unit；The input terminal of the output end connection PSU of first filter unit；Institute
State the output end connecting test equipment of PSU.
2. a kind of device for improving power supply conducting power according to claim 1, which is characterized in that first filtering is single
Member is EMI filter module or the socket with EMI filter module.
3. a kind of device for improving power supply conducting power according to claim 1 or 2, which is characterized in that the device
It further include the second filter unit, the output end of the input terminal connection PSU of second filter unit, second filter unit
Output end connecting test equipment.
4. a kind of device for improving power supply conducting power according to claim 3, which is characterized in that second filtering
Unit is EMI filter module or the socket with EMI filter module.
5. a kind of device for improving power supply conducting power according to claim 2 or 4, which is characterized in that the EMI filtering
Module includes the first power input L, second source input terminal N, the first power output end L ', second source output end N ', the
One X capacitor CX1, the 2nd X capacitor CX2, the first differential mode inductance L1, the first common mode inductance L2, the first Y capacitance CY1 and the second Y capacitance
CY2；
First differential mode inductance L1 includes first coil P1 and the second coil P2；First common mode inductance L2 includes tertiary coil P3 and
Four coil P4；
One end of the first X capacitor CX1 of first power input L connection and one end of first coil P1；Second source input terminal N connects
Connect the other end of the first X capacitor CX1 and one end of the second coil P2；The other end connection tertiary coil P3's of first coil P
One end；The other end of second coil P2 connects one end of the 4th coil P4；The other end of tertiary coil P3 connects the 2nd X electricity
Hold one end, first one end Y capacitance CY1 and the first power output end L ' of CX2；The other end of 4th coil P4 connects the 2nd X
The other end of capacitor CX2, the second Y capacitance CY2 and second source output end N '；The first Y capacitance CY1 other end and the 2nd Y electricity
Hold CY2 other end ground connection.
6. a kind of device for improving power supply conducting power according to claim 5, which is characterized in that the first differential mode electricity
Sense L1 inductance value is set as 1.8mH.
7. a kind of device for improving power supply conducting power according to claim 5, which is characterized in that the first common mode electricity
Feel L2 inductance value range 45mH~80mH.
8. a kind of device for improving power supply conducting power according to claim 5, which is characterized in that the first X capacitor
The capacitance of CX1 and the 2nd X capacitor CX2 are set as 1uF.
9. a kind of device for improving power supply conducting power according to claim 5, which is characterized in that first Y capacitance
The capacitance of CY1 and the second Y capacitance CY2 are set as 4700pF.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821443272.9U CN208767971U (en) | 2018-09-05 | 2018-09-05 | A kind of device improving power supply conducting power |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821443272.9U CN208767971U (en) | 2018-09-05 | 2018-09-05 | A kind of device improving power supply conducting power |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212752A (en) * | 2019-05-30 | 2019-09-06 | 上海航键航空设备有限公司 | A kind of noise reduction filtering circuit |
| RU223058U1 (en) * | 2023-10-03 | 2024-01-29 | Общество с ограниченной ответственностью "СиТри Индастри" | POWER DISTRIBUTION UNIT WITH PHASE-PER-PHASE MONITORING OF GROUPS OF SOCKETS AND CONTROL OF EACH SOCKET |
-
2018
- 2018-09-05 CN CN201821443272.9U patent/CN208767971U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110212752A (en) * | 2019-05-30 | 2019-09-06 | 上海航键航空设备有限公司 | A kind of noise reduction filtering circuit |
| RU223058U1 (en) * | 2023-10-03 | 2024-01-29 | Общество с ограниченной ответственностью "СиТри Индастри" | POWER DISTRIBUTION UNIT WITH PHASE-PER-PHASE MONITORING OF GROUPS OF SOCKETS AND CONTROL OF EACH SOCKET |
| RU223132U1 (en) * | 2023-10-03 | 2024-02-02 | Общество с ограниченной ответственностью "СиТри Индастри" | Power distribution unit with monitoring and control of each outlet |
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