CN106787862A - A kind of electric automobile host power supply circuit - Google Patents
A kind of electric automobile host power supply circuit Download PDFInfo
- Publication number
- CN106787862A CN106787862A CN201710044309.4A CN201710044309A CN106787862A CN 106787862 A CN106787862 A CN 106787862A CN 201710044309 A CN201710044309 A CN 201710044309A CN 106787862 A CN106787862 A CN 106787862A
- Authority
- CN
- China
- Prior art keywords
- common mode
- mode inductance
- electric capacity
- jack
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/126—Arrangements for reducing harmonics from ac input or output using passive filters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/12—Arrangements for reducing harmonics from ac input or output
- H02M1/123—Suppression of common mode voltage or current
Abstract
The present invention provides a kind of electric automobile host power supply circuit, including power outlet, filtration module, rectifier bridge and transformer；Power outlet is used for electric power connecting to receive supply voltage；Filtration module is used to be filtered supply voltage treatment；Rectifier bridge is used for rectification；Transformer is used to boost supply voltage or step-down treatment；Power outlet includes pedestal and the first jack, the second jack and the 3rd jack that are arranged in pedestal；Filtration module includes the first common mode inductance and the second common mode inductance；The first end of the first common mode inductance is connected with the first jack, second end of the first common mode inductance is connected with the 3rd jack, 3rd end of the first common mode inductance is connected with the first end of the second common mode inductance, and the 4th end of the first common mode inductance is connected with the second end of the second common mode inductance；3rd end of the second common mode inductance and the 4th end are connected with rectifier bridge respectively.The electric automobile host power supply circuit EMI suppression effect that the present invention is provided is preferable.
Description
【Technical field】
The present invention relates to electromagnetic interference technical field, more particularly to a kind of electric automobile host power supply circuit.
【Background technology】
Electric automobile is required for carrying out electromagnetic interference (Electromagnetic Interference, EMI) before dispatching from the factory
Test is so that its anti-electromagnetic interference capability meets relevant regulations.The maximum interference source of electric automobile comes from the main frame of electric automobile
System, and the interference produced by power unit in host computer system occupies larger ratio.
At present, in the power circuit of host computer system it is usual to supply voltage using a common mode inductance (common mode choke) come
The electromagnetic interference signal of common mode is filtered, will then be exported after signal input rectifier bridge after filtering and transformer.So
And, although the power circuit has carried out filtering process to supply voltage, the filtered rear voltage for exporting also has larger
Radiation, and then cause that electric automobile cannot be tested by EMI.
In consideration of it, real be necessary to provide a kind of new electric automobile host power supply circuit to overcome drawbacks described above.
【The content of the invention】
Supply voltage can be carried out it is an object of the invention to provide one kind effectively filtering so that electric automobile passes through EMI spokes
The electric automobile host power supply circuit penetrated.
To achieve these goals, the present invention provides a kind of electric automobile host power supply circuit, including power outlet, filtering
Module, rectifier bridge and transformer；The power outlet is used for electric power connecting to receive supply voltage；The filtration module is used
In being filtered treatment to the supply voltage, and filtered supply voltage is exported to the rectifier bridge；The rectifier bridge
Rectification is carried out to the supply voltage after after filtering and export after direct current power source voltage to described so that AC supply voltage is converted to
Transformer；The transformer is used to boost the direct current power source voltage or step-down treatment, and output to load is thought
Load provides operating voltage；The power outlet includes pedestal and the first jack, the second jack that are arranged in the pedestal
And the 3rd jack；The filtration module includes the first common mode inductance and the second common mode inductance；The of first common mode inductance
One end is connected with first jack, and the second end of first common mode inductance is connected with the 3rd jack, and described first is total to
3rd end of mould inductance is connected with the first end of second common mode inductance, the 4th end of first common mode inductance and described
Second end of two common mode inductances is connected；3rd end and the 4th end of second common mode inductance are connected with the rectifier bridge respectively.
The new electric automobile host power supply circuit that the present invention is provided, because the supply voltage sequentially passes through described first
Exported again to the rectifier bridge after common mode inductance and second common mode inductance filtering, and then cause that the supply voltage is had
The filtering of effect, so that the host computer system meets EMI related requests.
【Brief description of the drawings】
The circuit theory diagrams of the electric automobile host power supply circuit that Fig. 1 is provided for the present invention.
【Specific embodiment】
In order that the purpose of the present invention, technical scheme and Advantageous Effects become apparent from understanding, below in conjunction with accompanying drawing and
Specific embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification
Mode is not intended to limit the present invention just for the sake of explaining the present invention.
Fig. 1 is referred to, the circuit theory diagrams of its electric automobile host power supply circuit 100 provided for the present invention.The electricity
Electrical automobile host power supply circuit 100 includes power outlet 10, filtration module 20, rectifier bridge 30 and transformer 40.
The power outlet 10 is used for the AC power grafting of 24V to receive supply voltage.In the present embodiment, institute
Supply voltage is stated for alternating voltage.
The filtration module 20 is used to be filtered the supply voltage treatment, and filtered supply voltage is exported
To the rectifier bridge 30；Then the rectifier bridge 30 pairs after filtering after supply voltage carry out rectification with by AC supply voltage
Exported to the transformer 40 after being converted to direct current power source voltage；The transformer 40 is used to carry out the direct current power source voltage
Boosting or step-down treatment, and export to load with for load provides operating voltage.
Specifically, the power outlet 10 includes pedestal 11 and be arranged in the pedestal 11 and be arranged in a linear the
One jack 12, the second jack 13 and the 3rd jack 14.In the present embodiment, first jack 12 is used for the positive pole with power supply
It is connected；Second jack 13 is located at first jack 12 between the 3rd jack 14, for being grounded；Described 3rd inserts
Hole 14 is used to be connected with power cathode.
The filtration module 20 includes the first common mode inductance L1 and the second common mode inductance L2.The first common mode inductance L1
First end be connected with first jack 12, second end of the first common mode inductance L1 is connected with the 3rd jack 14,
3rd end of the first common mode inductance L1 is connected with the first end of the second common mode inductance L2, the first common mode inductance L1
The 4th end be connected with second end of the second common mode inductance L2；3rd end and the 4th end of the second common mode inductance L2 point
It is not connected with the rectifier bridge 30.In the present embodiment, the 3rd end of the first common mode inductance L1 and first common mode
4th end of inductance L1 is Same Name of Ends；3rd end of the first end of the first common mode inductance L1 and the first common mode inductance L1
One two ends of coil of respectively described first common mode inductance L1；Second end and described first of the first common mode inductance L1
4th end of common mode inductance L1 is respectively the two ends of another coil of the first common mode inductance L1.Second common mode inductance
Second end of the first end of L2 and the second common mode inductance L2 is Same Name of Ends；The first end of the second common mode inductance L2 and institute
The 3rd end for stating the second common mode inductance L2 is respectively a two ends for coil of the second common mode inductance L2；Second common mode
Second end of inductance L2 is respectively another line of the second common mode inductance L2 with the 4th end of the second common mode inductance L2
The two ends of circle.
Further, the filtration module 20 also includes the first electric capacity C1, the second electric capacity C2, first resistor R1 and second
Resistance R2.The two ends of the first electric capacity C1 are connected with first jack 12 and ground respectively.The two of the second electric capacity C2
End is connected with the 3rd jack 14 and ground respectively.The first end of the first resistor R1 is with the first common mode inductance L1's
First end is connected, and second end of the first resistor R1 is by the second resistance R2 and the second of the first common mode inductance L1
End is connected.Wherein, the first resistor R1 and second resistance R2 is to the first electric capacity C1 and second electric capacity
C2 plays insulation protection.In the present embodiment, the first electric capacity C1 and the second electric capacity C2 is Y capacitance.
Further, the filtration module 20 also includes the 3rd electric capacity C3.The two ends of the 3rd electric capacity C3 respectively with institute
Second end of the first end and the first common mode inductance L1 of stating the first common mode inductance L1 is connected.In the present embodiment, it is described
3rd electric capacity C3 is X electric capacity.
Further, the filtration module 20 also includes the 4th electric capacity C4.The two ends of the 4th electric capacity C4 respectively with institute
4th end at the 3rd end and the first common mode inductance L1 of stating the first common mode inductance L1 is connected.In the present embodiment, it is described
4th electric capacity C4 is X electric capacity.
Further, the filtration module 20 also includes the 5th electric capacity C5 and the 6th electric capacity C6.The 5th electric capacity C5's
First end is connected with the 3rd end of the second common mode inductance L2, the second end ground connection of the 5th electric capacity C5；6th electricity
The first end for holding C6 is connected with the 4th end of the second common mode inductance L2, the second end ground connection of the 6th electric capacity C6.At this
In implementation method, the 5th electric capacity C5 and the 6th electric capacity C6 is Y capacitance.
Further, the filtration module 20 also includes the 7th electric capacity C7.The two ends of the 7th electric capacity C7 respectively with institute
4th end at the 3rd end and the second common mode inductance L2 of stating the second common mode inductance L2 is connected.In the present embodiment, it is described
7th electric capacity C7 is X electric capacity.
Further, the filtration module 20 also includes fuse NTC.The fuse NTC is connected to described first and inserts
Between the first end of hole 12 and the first common mode inductance L1.
Electric automobile host power supply circuit 100 provided by the present invention, because the supply voltage sequentially passes through described
Exported again to the rectifier bridge 30 after one common mode inductance L1 and the second common mode inductance L2 filtering, and then cause the power supply electricity
Pressure is effectively filtered, so that the host computer system meets EMI related requests.
Further, the filtration module 20 also includes the first electric capacity C1~the 7th electric capacity C7, and then causes the filtering
The filter effect of 20 pairs of supply voltages of module is more preferable.
The present invention is not restricted to described in specification and implementation method, therefore for the personnel of familiar field
Additional advantage and modification are easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range
In the case of god and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description
Example.
Claims (9)
1. a kind of electric automobile host power supply circuit, including power outlet, filtration module, rectifier bridge and transformer；Its feature
It is：The power outlet is used for electric power connecting to receive supply voltage；The filtration module is used for the supply voltage
Treatment is filtered, and filtered supply voltage is exported to the rectifier bridge；The rectifier bridge is to the electricity after after filtering
Source voltage carries out rectification to be exported to the transformer after AC supply voltage is converted into direct current power source voltage；The transformer
For the direct current power source voltage is boosted or step-down treatment, and export to load with for load operating voltage is provided；
The power outlet includes pedestal and the first jack, the second jack and the 3rd jack that are arranged in the pedestal；The filter
Ripple module includes the first common mode inductance and the second common mode inductance；The first end of first common mode inductance and first jack
It is connected, the second end of first common mode inductance is connected with the 3rd jack, the 3rd end of first common mode inductance and institute
The first end for stating the second common mode inductance is connected, the 4th end of first common mode inductance and the second end of second common mode inductance
It is connected；3rd end and the 4th end of second common mode inductance are connected with the rectifier bridge respectively.
2. electric automobile host power supply circuit as claimed in claim 1, it is characterised in that：First jack, described second
Jack and the 3rd jack are arranged in a linear；First jack is used to be connected with the positive pole of power supply；The second jack position
In first jack between the 3rd jack 14, for being grounded；3rd jack is used to be connected with power cathode.
3. electric automobile host power supply circuit as claimed in claim 1, it is characterised in that：The 3rd of first common mode inductance
4th end of end and first common mode inductance is Same Name of Ends；The first end of first common mode inductance and first common mode electricity
3rd end of sense is respectively a two ends for coil of first common mode inductance；Second end of first common mode inductance and institute
State the first common mode inductance the 4th end be respectively first common mode inductance another coil two ends；The second common mode electricity
Second end of the first end of sense and second common mode inductance is Same Name of Ends；The first end of second common mode inductance and described
3rd end of two common mode inductances is respectively a two ends for coil of second common mode inductance；The of second common mode inductance
Two ends are respectively the two ends of another coil of second common mode inductance with the 4th end of second common mode inductance.
4. electric automobile host power supply circuit as claimed in claim 2, it is characterised in that：The filtration module also includes first
Electric capacity, the second electric capacity, first resistor and second resistance；The two ends of first electric capacity respectively with first jack and ground
It is connected；The two ends of second electric capacity are connected with the 3rd jack and ground respectively；The first end of the first resistor and institute
The first end for stating the first common mode inductance is connected, and the second end of the first resistor is by the second resistance and first common mode
Second end of inductance is connected；First electric capacity and the second electric capacity are Y capacitance.
5. electric automobile host power supply circuit as claimed in claim 4, it is characterised in that：The filtration module also includes the 3rd
Electric capacity；The two ends of the 3rd electric capacity are respectively with the second of the first end of first common mode inductance and first common mode inductance
End is connected；3rd electric capacity is X electric capacity.
6. electric automobile host power supply circuit as claimed in claim 5, it is characterised in that：The filtration module also includes the 4th
Electric capacity；The two ends of the 4th electric capacity are respectively with the 4th of the 3rd end of first common mode inductance and first common mode inductance the
End is connected；4th electric capacity is X electric capacity.
7. electric automobile host power supply circuit as claimed in claim 6, it is characterised in that：The filtration module also includes the 5th
Electric capacity and the 6th electric capacity；The first end of the 5th electric capacity is connected with the 3rd end of second common mode inductance, the 5th electricity
The the second end ground connection held；The first end of the 6th electric capacity is connected with the 4th end of second common mode inductance, the 6th electricity
The the second end ground connection held；5th electric capacity and the 6th electric capacity are Y capacitance.
8. electric automobile host power supply circuit as claimed in claim 7, it is characterised in that：The filtration module also includes the 7th
Electric capacity；The two ends of the 7th electric capacity are respectively with the 4th of the 3rd end of second common mode inductance and second common mode inductance the
End is connected；7th electric capacity is X electric capacity.
9. electric automobile host power supply circuit as claimed in claim 8, it is characterised in that：The filtration module also includes insurance
Silk；The fuse is connected between the first end of first jack and first common mode inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044309.4A CN106787862A (en) | 2017-01-21 | 2017-01-21 | A kind of electric automobile host power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710044309.4A CN106787862A (en) | 2017-01-21 | 2017-01-21 | A kind of electric automobile host power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106787862A true CN106787862A (en) | 2017-05-31 |
Family
ID=58943464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710044309.4A Pending CN106787862A (en) | 2017-01-21 | 2017-01-21 | A kind of electric automobile host power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106787862A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294098A (en) * | 2017-07-31 | 2017-10-24 | 北京新能源汽车股份有限公司 | One kind filtering relay and electric automobile |
-
2017
- 2017-01-21 CN CN201710044309.4A patent/CN106787862A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107294098A (en) * | 2017-07-31 | 2017-10-24 | 北京新能源汽车股份有限公司 | One kind filtering relay and electric automobile |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |