CN207150203U - A kind of electric automobile charging pile circuit - Google Patents
A kind of electric automobile charging pile circuit Download PDFInfo
- Publication number
- CN207150203U CN207150203U CN201720837763.0U CN201720837763U CN207150203U CN 207150203 U CN207150203 U CN 207150203U CN 201720837763 U CN201720837763 U CN 201720837763U CN 207150203 U CN207150203 U CN 207150203U
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- China
- Prior art keywords
- power
- switch pipe
- power switch
- electric automobile
- charging pile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model provides a kind of electric automobile charging pile circuit, including 7 power switch pipes Q1, Q2, Q3, Q4, Q5, Q6, Qr；7 power diodes D1, D2, D3, D4, D5, D6, Dr；4 power inductances L1, L2, Lo, Lr；3 electric capacity Cin, Co, Cr and electric automobile charging pile circuit control subsystem.A kind of electric automobile charging pile circuit of the utility model, using the staggeredly synchronous resonant method of slow mark BIFURCATION CONTROL, further reduce the switching loss of power switch pipe, improve energy conversion efficiency, the harmonic component of reduction system output, ensure the charging safety of electric automobile power battery, there is the wider market space.
Description
Technical field
It the utility model is related to electric automobile field, and in particular to a kind of electric automobile charging pile circuit.
Background technology
To solve energy crisis and global environmental pollution, skill of the countries in the world to new-energy automobile particularly pure electric automobile
Art research and development increasingly accelerate with marketing, and currently, pure electric automobile enters the epoch of rapid development, and corresponding basis is matched somebody with somebody
Facility electric automobile charging pile is covered also in fast development.But it is to be solved that current technology still suffers from the problem of many, as electric energy is changed
System is unstable caused by efficiency, it will usually trigger cascading failure, gently then charging efficiency declines, charging pile is stopped,
It is heavy then occur aircraft bombing event, or even can to power network produce impact, trigger partial electric grid collapse of voltage, have a strong impact on people's lives and
National economic development.And the conversion efficiency that these failures can almost be attributed to electrical energy transformer is not high, system heat generation amount it is excessive and
It is caused.Therefore, the research and development of new efficient electric automobile charging pile circuit and its control method, are to have very much
It is necessary.
Utility model content
To overcome the shortcomings that existing electric automobile charging pile is inefficient, caloric value is big, stability is poor, the utility model
Provide a kind of electric automobile charging pile circuit.
A kind of electric automobile charging pile circuit of the utility model, including 7 power switch pipe Q1, Q2, Q3, Q4, Q5, Q6,
Qr；7 power diodes D1, D2, D3, D4, D5, D6, Dr；4 power inductances L1, L2, Lo, Lr；3 electric capacity Cin, Co, Cr
With electric automobile charging pile circuit control subsystem；It is characterized in that：The power switch pipe Qr is resonance controlling switch
Pipe, power switch pipe Q5 and power switch pipe Q6 are interleaved switching pipe respectively, power switch pipe Q3, power switch pipe Q4, power
Switching tube Q5, power switch pipe Q6 are synchronous rectifiers；
The power inductance Lo is output inductor, and power inductance Lr is resonant inductance, power inductance L1 and power electricity
Sense L2 is energy storage commutation inductance；
The electric capacity Cin is input capacitance, and electric capacity Co is output capacitance, and electric capacity Cr is resonant capacitance；
The electric automobile charging pile circuit control subsystem includes staggeredly synchro switch Logic control module, slow mark fork
Resonance control module and system variable sampling module；
The input of the system variable sampling module is electrically connected with output current Io and output voltage Uo；The system variable
The output end of sampling module is connected with staggeredly synchro switch Logic control module and slow mark fork resonance control module；Wherein slow mark
Fork resonance control module is connected with staggeredly synchro switch Logic control module；
The staggeredly synchro switch Logic control module is provided with 7 output signal ends, each of which signal output part difference
Power switch pipe Q1, power switch pipe Q2, power switch pipe Q3, power switch pipe Q4, power switch pipe Q5, power is connected to open
Close pipe Q6 and power switch pipe Qr grid.
Preferably, described power switch pipe Q1, Q2, Q3, Q4, Q5, Q6, Qr use MOS or IGBT.
Preferably, described power diode D1, D2, D3, D4, D5, D6, Dr use quick power diode.
Preferably, the power inductance L1, power inductance L2, power inductance Lo and power inductance Lr use soft magnetism core material
Design.
Preferably, the electric capacity Cin and electric capacity Co are electrochemical capacitor or the nonpolar electric capacity of Large Copacity.
Preferably, the electric capacity Cr is power resonance electric capacity.
Preferably, the electric automobile charging pile circuit control subsystem is embedded ARM processor or DSP processors.
Compared with prior art, a kind of electric automobile charging pile circuit of the utility model, using the friendship of slow mark BIFURCATION CONTROL
Wrong synchronous resonant method, further reduce the switching loss of power switch pipe, improve energy conversion efficiency, reduce system output
Harmonic component, it is ensured that the charging safety of electric automobile power battery, there is the wider market space.
Brief description of the drawings
Fig. 1 is a kind of circuit diagram of electric automobile charging pile of the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only solving
The utility model is released, is not used to limit the utility model.
Fig. 1 is refer to, a kind of electric automobile charging pile circuit of the utility model includes 7 power switch pipes, 7 power
Diode, 4 power inductances, 3 electric capacity and electric automobile charging pile circuit control subsystem；7 power switch pipes, by
Power switch pipe Q1, power switch pipe Q2, power switch pipe Q3, power switch pipe Q4, power switch pipe Q5, power switch pipe Q6
Formed with power switch pipe Qr；7 power diodes, by power diode D1, power diode D2, power diode
D3, power diode D4, power diode D5, power diode D6 and power diode Dr compositions；4 power inductances,
It is made up of power inductance L1, power inductance L2, power inductance Lo and power inductance Lr；3 electric capacity, by electric capacity Cin, electric capacity
Co and electric capacity Cr compositions；The power switch pipe Qr is Q6 points of resonance controlling switch pipe, power switch pipe Q5 and power switch pipe
It is not interleaved switching pipe, power switch pipe Q3, power switch pipe Q4, power switch pipe Q5, power switch pipe Q6 are synchronous rectification
Pipe；
The power switch pipe Q1, power switch pipe Q2, power switch pipe Q3, power switch pipe Q4, power switch pipe Q5,
It is resonance controlling switch pipe that power switch pipe Q6 and power switch pipe Qr, which uses MOS or IGBT, the power switch pipe Qr, described
The power switch pipe Q1 and power switch pipe Q2, the power switch pipe Q5 and the power switch pipe Q6 are interleaved respectively
Guan Guan, the power switch pipe Q3, power switch pipe Q4, power switch pipe Q5, power switch pipe Q6 are synchronous rectifiers；It is described
Power diode D1, power diode D2, power diode D3, power diode D4, power diode D5, power diode
D6 and power diode Dr uses quick power diode；The power inductance Lo, the power inductance Lr, the power inductance
The L1 and power inductance L2 uses soft magnetic core design of material, and the power inductance Lo is as output inductor, the power
Inductance Lr is as resonant inductance, and the power inductance L1 and the power inductance L2 are as energy storage commutation inductance；The electric capacity Cin
For input capacitance, the electric capacity Co is output capacitance, and it uses electrochemical capacitor or the nonpolar electric capacity of other Large Copacities, the electric capacity
Cr is resonant capacitance, and it uses power resonance electric capacity；The electric automobile charging pile circuit control subsystem uses embedded-type ARM
Processor or DSP Processor, the electric automobile charging pile circuit control subsystem include staggeredly synchro switch logic control mould
Block, slow mark fork resonance control module and system variable sampling module.Electric current Io is output current, and voltage Uo is output voltage,
Output current Io sampled points and output voltage Uo sampled points are electrically connected to the system variable sampling module, and the system variable is adopted
Two output ends of egf block are connected respectively to the staggeredly synchro switch Logic control module and the slow mark fork resonance control
The input of molding block, the output end of the slow mark fork resonance control module are connected to the staggeredly synchro switch logic control
One input of module, 7 output signals of the staggeredly synchro switch Logic control module are connected respectively to power switch
Pipe Q1, power switch pipe Q2, power switch pipe Q3, power switch pipe Q4, power switch pipe Q5, power switch pipe Q6 and power are opened
Close pipe Qr grid.
The control flow and method of a kind of electric automobile charging pile circuit of the utility model are as follows：
Step 1：The system variable sampling module samples to the output current Io and the output voltage Uo, and
Stored, storage depth N, N span (100000-5000000), obtain digital signal sequences Uo [n], Io [n],
N=1,2,3 ... N；
Step 2：The system variable sampling module is simultaneously by the output current Io collected and the output voltage
Uo feeds back to the staggeredly synchro switch Logic control module and the slow mark fork resonance control module；
Step 3：The output that the slow mark fork resonance control module transmits according to the system variable sampling module
The electric current Io and output voltage Uo, carry out slow mark fork and calculate, its computational methods is as follows：
Step 3.1：Under switch periods yardstick, the slow mark of observation and computing system diverges, by a switch periods T decile
Into M parts, a point of observation being set on each decile, that is, has M point of observation, M span is (10000-100000) Gi,
I=1,2 ... ... M, then output current sequence Io (Gi) output voltage sequence Uo (Gi), i=1 in a cycle is obtained,
2,……M；
Step 3.2：The continuously sampled value of K switch periods of interception, the starting point of each switch periods is alignd, will be sampled
Value is folded in a switch periods, obtains output current sequence Io (Gi, k) output voltage sequence Uo (Gi, k), i of folding picture
=1,2 ... M；K=1,2 ... ... K；
Step 3.3：Output current sequence Io (Gi, k) output voltage sequence Uo (Gi, k) slow mark fork journey is calculated respectively
Degree
Step 3.4：Calculate comprehensive slow mark fork degreeWhen σ be less than or equal to threshold value σ th (σ th's
Span is 2.0-5.0), then forbid resonant tank to work, when σ is more than threshold value σ th, then permission resonant tank works.Pass through
Slow mark forked tunnel is controlled to resonant tank, system operation track is produced skew, is deviateed chaotic motion region, it is ensured that be
The stability and efficiency of system.
Step 4：The staggeredly synchro switch Logic control module is according to system variable sampling module feedback
The output current Io and output voltage Uo, to the power switch pipe Q1, the power switch pipe Q2, the power switch
Pipe Q5, the power switch pipe Q6 carry out alternation sum Synchronization Control, using switching frequency as synchronised clock, wherein the power switch
The pipe Q1 and power switch pipe Q6, the power switch pipe Q2 and the power switch pipe Q5, it is two groups of complementary switch respectively
Pipe, its working method is complementary switch working method, and the power switch pipe Q1 and the power switch pipe Q2, the power are opened
It is interleaved switching pipe respectively to close the pipe Q5 and power switch pipe Q6, and its working method is interleaved switching mode.
Compared with prior art, a kind of electric automobile charging pile circuit of the utility model interlocking using slow mark BIFURCATION CONTROL
Synchronous resonant method, further reduce the switching loss of power switch pipe, improve energy conversion efficiency, reduce the humorous of system output
Wave component, it is ensured that the charging safety of electric automobile power battery, there is the wider market space.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification made within the principle of utility model, equivalent substitution and improvement etc. all should include the scope of protection of the utility model
Within.
Claims (7)
1. a kind of electric automobile charging pile circuit, including 7 power switch pipes Q1, Q2, Q3, Q4, Q5, Q6, Qr；7 power two
Pole pipe D1, D2, D3, D4, D5, D6, Dr；4 power inductances L1, L2, Lo, Lr；3 electric capacity Cin, Co, Cr and electric automobile fill
Electric stake circuit control subsystem；It is characterized in that：The power switch pipe Qr is resonance controlling switch pipe, power switch pipe
Q5 and power switch pipe Q6 is interleaved switching pipe respectively, power switch pipe Q3, power switch pipe Q4, power switch pipe Q5, power
Switching tube Q6 is synchronous rectifier；
The power inductance Lo is output inductor, and power inductance Lr is resonant inductance, power inductance L1 and power inductance L2
For energy storage commutation inductance；
The electric capacity Cin is input capacitance, and electric capacity Co is output capacitance, and electric capacity Cr is resonant capacitance；
The electric automobile charging pile circuit control subsystem includes staggeredly synchro switch Logic control module, slow mark fork resonance
Control module and system variable sampling module；
The input of the system variable sampling module is electrically connected with output current Io and output voltage Uo；The system variable samples
The output end of module is connected with staggeredly synchro switch Logic control module and slow mark fork resonance control module；Wherein slow mark fork
Resonance control module is connected with staggeredly synchro switch Logic control module；
The staggeredly synchro switch Logic control module is provided with 7 output signal ends, and each of which signal output part connects respectively
To power switch pipe Q1, power switch pipe Q2, power switch pipe Q3, power switch pipe Q4, power switch pipe Q5, power switch pipe
Q6 and power switch pipe Qr grid.
A kind of 2. electric automobile charging pile circuit as claimed in claim 1, it is characterised in that：The power switch pipe Q1, Q2,
Q3, Q4, Q5, Q6, Qr use MOS or IGBT.
A kind of 3. electric automobile charging pile circuit as claimed in claim 1, it is characterised in that：The power diode D1, D2,
D3, D4, D5, D6, Dr use quick power diode.
A kind of 4. electric automobile charging pile circuit as claimed in claim 1, it is characterised in that：The power inductance L1, power
Inductance L2, power inductance Lo and power inductance Lr use soft magnetic core design of material.
A kind of 5. electric automobile charging pile circuit as claimed in claim 1, it is characterised in that：The electric capacity Cin and electric capacity Co
For electrochemical capacitor or the nonpolar electric capacity of Large Copacity.
A kind of 6. electric automobile charging pile circuit as claimed in claim 1, it is characterised in that：The electric capacity Cr is power resonance
Electric capacity.
A kind of 7. electric automobile charging pile circuit as claimed in claim 1, it is characterised in that：The electric automobile charging pile electricity
Road control subsystem is embedded ARM processor or DSP Processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837763.0U CN207150203U (en) | 2017-07-11 | 2017-07-11 | A kind of electric automobile charging pile circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720837763.0U CN207150203U (en) | 2017-07-11 | 2017-07-11 | A kind of electric automobile charging pile circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150203U true CN207150203U (en) | 2018-03-27 |
Family
ID=61675085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720837763.0U Active CN207150203U (en) | 2017-07-11 | 2017-07-11 | A kind of electric automobile charging pile circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207150203U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147192B (en) * | 2017-07-11 | 2023-09-12 | 深圳华源技术实业有限公司 | Electric automobile charging pile circuit and control method thereof |
-
2017
- 2017-07-11 CN CN201720837763.0U patent/CN207150203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147192B (en) * | 2017-07-11 | 2023-09-12 | 深圳华源技术实业有限公司 | Electric automobile charging pile circuit and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190123 Address after: Room 330, Building A, Baiwang Building, No. 1 South Xili Songbai Road, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Qun Zheng Electronics Technology Co., Ltd. Address before: 518000 6, 5 Nangang Second Industrial Park, 1026 West Li Song Bai Road, Nanshan District, Shenzhen, Guangdong. Patentee before: Shenzhen Parwa Technology Company Limited |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190315 Address after: 518000 Guangdong, Shenzhen, Nanshan District Xili street, Shahe West Road, Bai Mong village, South 1, A 330, Bai Wang mansion. Patentee after: Shenzhen Huayuan Technology Industry Co., Ltd. Address before: Room 330, Building A, Baiwang Building, No. 1 South Xili Songbai Road, Nanshan District, Shenzhen City, Guangdong Province, 518000 Patentee before: Shenzhen Qun Zheng Electronics Technology Co., Ltd. |