CN106972562A - A kind of charging circuit and integral type charging equipment - Google Patents
A kind of charging circuit and integral type charging equipment Download PDFInfo
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- CN106972562A CN106972562A CN201710212096.1A CN201710212096A CN106972562A CN 106972562 A CN106972562 A CN 106972562A CN 201710212096 A CN201710212096 A CN 201710212096A CN 106972562 A CN106972562 A CN 106972562A
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- coil group
- loading coil
- charging
- charging circuit
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- 230000005611 electricity Effects 0.000 claims description 11
- 230000006837 decompression Effects 0.000 claims description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 210000001367 artery Anatomy 0.000 claims description 2
- 210000003462 vein Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000003915 air pollution Methods 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- 230000000630 rising effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- H02J7/0072—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
- H02J7/04—Regulation of charging current or voltage
- H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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- H02J2007/10—
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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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Abstract
The embodiment of the present invention provides a kind of charging circuit and integral type charging equipment, charging circuit therein, including ac input end, step-down transformer and DC output end, wherein：Ac input end is used to be connected with high pressure three-phase alternating current inlet wire；Step-down transformer includes source coil group and the first loading coil group, the second loading coil group, source coil group is connected with ac input end, source coil group is equal to the voltage ratio of the first loading coil group and the second loading coil group, and the first loading coil group and the second loading coil group are connected from different output branch roads；Two impulse commutation modules are connected by inductance coil with IGBT pipes respectively；DC output end is used to export direct current.Technical solution of the present invention, on the basis of the charging current 250A of prior art, is improved to greater than 800A, disclosure satisfy that the demand of large current charge, greatly shorten the charging interval, and the charging for electric automobile (particularly large-scale passenger car) provides facility.
Description
Technical field
The present invention relates to charging equipment technical field, specifically a kind of charging circuit and integral type charging equipment, energy
The charge requirement of large-scale passenger car and small passenger car is met simultaneously.
Background technology
It is air pollution because burns gasoline, the automobile engine of diesel oil can produce pernicious gas when operating
One important source；In order to reduce the discharge of pernicious gas, the quality of gasoline, diesel oil, the opposing party are on the one hand constantly lifted
Face is exactly to find clean energy resource replacing gasoline, diesel oil, so as to effectively contain air pollution.
As a solution of clean energy resource, electric automobile (particularly large-scale passenger car) is brought into schedule,
To substitute a part of gasoline, diesel car, the market share of electric automobile expands year by year, has formd benign rising and has become
Gesture, and controlling it effect of air pollution to obtain effectively verifying by prolonged use.
At present, still restriction electric automobile is further popularized and a factor of popularization is, the charging station of electric automobile
Network point distribution is also nothing like the network point distribution of gas station；And the charging of electric automobile needs the regular hour, it is contemplated that electricity
Limitation of the cable to large current charge, the maximum charging current of current charging gun is 250A, and charging gun weight itself is big, and operation is tired
It is difficult, it is contemplated that the charge-current demands of present Large Electric bus are more than 500A (reaching as high as 800A), so at present
The charging interval of electric automobile turns into the popularization of restriction electric automobile and an easy-to-use factor.
In summary, realize that charging station, to electric vehicle rapid charging, is the technical problem to be solved in the present invention.
The content of the invention
Technical problem in view of the above, the invention provides a kind of charging circuit and integral type charging equipment.
There is provided a kind of charging circuit, including ac input end, step-down transformer for one side according to embodiments of the present invention
T1 and DC output end, wherein：
The ac input end, for being connected with high pressure three-phase alternating current inlet wire；
The step-down transformer T1 includes the source coil group of source and the first loading coil group of load end, the second load
Coil group, the source coil group is connected with the ac input end, and the source coil group is to the first loading coil group
It is equal with the voltage ratio of the second loading coil group, and the first loading coil group and the second loading coil group with
Different output branch road connections, the first loading coil group is connected using triangle, and with the first impulse commutation module Q1's
Input connects to form the first output branch road；The second loading coil group uses Y-connection, and with the second impulse commutation mould
Block Q2 input connects to form the second output branch road；The output end of the first impulse commutation module Q1 passes through the first inductor wire
Circle L1 is connected with the first IGBT pipes Q3 input pole, and the output end of the second impulse commutation module Q2 passes through the second inductance coil
L2 is connected with the first IGBT pipes Q3 input pole；First IGBT pipes Q3 output stage passes through the 3rd inductance coil L3 and the direct current
The positive pole connection of output end, the first IGBT pipes Q3 output stage is connected with the 2nd IGBT pipes Q4 input pole, the 2nd IGBT pipes Q4
Output stage and DC output end negative pole connect, between the positive pole and negative pole of DC output end also it is in parallel at least one first
Electric capacity C1；
The DC output end, for exporting direct current.
Selectively, the first loading coil group and the impedance ratio of the first inductance coil L1, equal to described second
Loading coil group and the impedance ratio of the second inductance coil L2.
Selectively, the high pressure three-phase alternating current inlet wire include two, the ac input end by switch switch K4 with
Two high pressure three-phase alternating current inlet wire connections.
Selectively, also connect the first breaker S1 and the between the switching switch K4 and step-down transformer T1
One disconnecting switch S2.
Selectively, also connected between the first loading coil group and the first impulse commutation module Q1 second break
Road device S3 and the second disconnecting switch S4；And/or, between the second loading coil group and the second impulse commutation module Q2
Also connect the 3rd breaker S5 and the 3rd disconnecting switch S6.
Selectively, also connected between the first loading coil group and the first impulse commutation module Q1 the first control
System switch K1；And/or, the second control of also being connected between the second loading coil group and the second impulse commutation module Q2
Switch K2.
Selectively, the first controlling switch K1 or the second controlling switch K2 is connected with precharge return circuit module.
Selectively, the precharge return circuit module includes the 3rd controlling switch K3 and first resistor R1 of series connection.
Selectively, the first impulse commutation module Q1 output end is in parallel with the second electric capacity C2, the second impulse commutation module
Q2 output end is in parallel with the 3rd electric capacity C3.
Selectively, series diode is gone back between the 3rd inductance coil L3 and the positive pole of the DC output end
D1, and concatenate between the input and the negative pole of the DC output end of the diode D1 controls of second resistance R2 and the 4th
System switch K5, decompression protection electricity is constituted by the diode D1, the 4th controlling switch K5, second resistance R2 and the first electric capacity C1
Road.
Selectively, the first impulse commutation module has identical circuit structure with the second impulse commutation module
Make, and the three-phase bridge rectification circuit that the first impulse commutation module is made up of 6 silicon controlled crystal brake pipes.
There is provided integral type charging equipment, including charging circuit described above for another aspect according to embodiments of the present invention.
Technical solution of the present invention, on the basis of the charging current 250A of prior art, is improved to greater than 800A, Neng Gouman
The demand of sufficient large current charge, greatly shortens the charging interval, and the charging for electric automobile (particularly large-scale passenger car) is provided just
Profit.
Brief description of the drawings
From below in conjunction with the accompanying drawings to the present invention embodiment description in the present invention may be better understood, its
In：
By reading the detailed description made referring to the drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon, wherein, same or analogous reference represents same or analogous feature.
Fig. 1 is the circuit diagram of the charging circuit shown in the embodiment of the present invention.
Embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, it is proposed that many details, to provide complete understanding of the present invention.But, to those skilled in the art
It will be apparent that the present invention can be implemented in the case of some details in not needing these details.Below to implementing
The description of example is used for the purpose of by showing that the example of the present invention is better understood to provide to the present invention.The present invention is never limited
In any concrete configuration set forth below and algorithm, but cover under the premise of without departing from the spirit of the present invention element,
Any modification, replacement and the improvement of part and algorithm.In the the accompanying drawings and the following description, known structure and skill is not shown
Art, to avoid causing the present invention unnecessary obscure.
However, it is desirable to which clearly, the invention is not limited in particular configuration that is described above and being shown in figure and processing.
Also, the detailed description to known method technology for brevity, is omitted here.In the above-described embodiments, describe and show
Some specific steps are used as example.But, procedure of the invention is not limited to described and illustrated specific steps,
Those skilled in the art can be variously modified, change and add after the spirit of the present invention is understood, or change step
Order between rapid.
Functional block shown in structures described above block diagram can be implemented as hardware, software, firmware or their group
Close.When realizing in hardware, its may, for example, be electronic circuit, application specific integrated circuit (ASIC), appropriate firmware, insert
Part, function card etc..When being realized with software mode, element of the invention is used to program or the generation of task needed for performing
Code section.Either code segment can be stored in machine readable media or passed by the data-signal carried in carrier wave program
Defeated medium or communication links are sent." machine readable media " can include storing or transmitting any medium of information.
The example of machine readable media includes electronic circuit, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), soft
Disk, CD-ROM, CD, hard disk, fiber medium, radio frequency (RF) link, etc..Code segment can be via such as internet, inline
The computer network of net etc. is downloaded.
As shown in figure 1, one side according to embodiments of the present invention is there is provided a kind of charging circuit, including ac input end,
Step-down transformer T1 and DC output end, wherein：
Ac input end, for being connected with high pressure three-phase alternating current inlet wire；
Step-down transformer T1 includes the source coil group of source and the first loading coil group, the second loading coil of load end
Group, source coil group is connected with ac input end, electricity of the source coil group to the first loading coil group and the second loading coil group
Pressure ratio is equal, and the first loading coil group and the second loading coil group are connected from different output branch roads, the first loading coil
Group is connected to form the first output branch road using triangle connection with the first impulse commutation module Q1 input；Second load
Coil group uses Y-connection, and is connected to form the second output branch road with the second impulse commutation module Q2 input；First arteries and veins
The output end for rushing rectification module Q1 is connected by the first inductance coil L1 with the first IGBT pipes Q3 input pole, the second impulse commutation
Module Q2 output end is connected by the second inductance coil L2 with the first IGBT pipes Q3 input pole；First IGBT pipes Q3 output
Pole is connected by the positive pole of the 3rd inductance coil L3 and DC output end, the first IGBT pipes Q3 output stage and the 2nd IGBT pipes Q4
The connection of input pole, the negative pole of the 2nd IGBT pipes Q4 output stage and DC output end connects, DC output end positive pole with
Also at least one first electric capacity C1 of parallel connection between negative pole；
DC output end, for exporting direct current.
In the present embodiment, it is connected by ac input end with high pressure three-phase alternating current inlet wire, height is provided for step-down transformer T1
Alternating current is pressed, step-down transformer T1 the first loading coil group and the second loading coil group can be exported simultaneously, wherein first is negative
Carry coil group to connect using triangle, the second loading coil group uses Y-connection, the first loading coil group and the second load line
There is a phase difference between circle group；First loading coil group and the second loading coil are connected from different output branch roads respectively, its
In the first output branch route the first loading coil group, the first impulse commutation module Q1 and the first inductance coil L1 and be composed in series,
Second output branch route the second loading coil group, the second impulse commutation module Q2 and the second inductance coil L2 compositions；By
One impulse commutation module Q1 and the second impulse commutation module Q2 rectified action, direct current output is become by exchange input, and two
The DC voltage of output branch road remains as pulse voltage, and still has phase difference, the electricity of two output branch roads therebetween
Press average equal, but instantaneous value and unequal, worked simultaneously by the first inductance coil L1 and the second inductance coil L2, elimination
Circulation between two rectification modules, it is ensured that the electric current of two output branch roads will not recoil during output, through over commutation
The first output branch road and second afterwards exports branch circuit parallel connection, and the first inductance coil L1, the second inductance coil L2 are connected simultaneously
To the first IGBT pipes Q3 input stage, then the 3rd inductance coil L3 plays a part of energy storage and afterflow, and multiple in parallel first
Electric capacity C1 ensures that the current waveform of direct current electricity output is steady.
Technical solution of the present invention, on the basis of the charging current 250A of prior art, is improved to greater than 800A, Neng Gouman
The demand of sufficient large current charge, greatly shortens the charging interval, and the charging for electric automobile (particularly large-scale passenger car) is provided just
Profit.
Selectively, the first loading coil group and the first inductance coil L1 impedance ratio, equal to the second loading coil group with
Second inductance coil L2 impedance ratio.Because the first loading coil group is connected using triangle, the second loading coil group uses star
Shape is connected, therebetween with phase difference, that is to say, that two loading coil groups are when output current, the ripple of two electric currents
There is phase difference, by the way that identical impedance ratio, Ke Yiyou will be set between loading coil group and inductance coil between peak and trough
The waveform of effect two output currents of control is when parallel connection is conveyed to the first IGBT pipe Q3, to balance the voltage wink of two rectification modules
Duration.
Selectively, high pressure three-phase alternating current inlet wire includes two, and ac input end is by switching K4 and two high pressure of switch
Three-phase alternating current inlet wire is connected.By being connected with two high pressure three-phase alternating current inlet wires, each high pressure three-phase alternating current inlet wire is connected to not
Same power supply interface, can be switched over by switching switch K4 between two high pressure three-phase alternating current inlet wires, so as to protect
Demonstrate,prove party all the way power supply interface power off when, another road high pressure three-phase alternating current inlet wire can take over work, prevent in charging process dash forward
So power-off causes charging to complete, it is ensured that the continuation of charging process, and the life of storage battery is reduced caused by charging is discontented.Two
The alternating current of individual high pressure three-phase alternating current inlet wire generally is high-tension electricity or extra-high voltage, for example, can select and be carried in national grid
The 10KV high voltage supplies of confession.
Selectively, the first breaker S1 and first that also connected between switching switch K4 and step-down transformer T1 keeps apart
Close S2.Due to high pressure three-phase alternating current inlet wire Keep Clear-High Voltage property, so being installed between step-down transformer T1 and switching switch K4
First breaker S1 and the first disconnecting switch S2, to ensure that step-down transformer T1 is disconnected when that need not charge to intersect with high pressure three
The connection of line is flowed into, to ensure Electrical Safety, potential safety hazard is prevented.
Selectively, also connected between the first loading coil group and the first impulse commutation module Q1 the second breaker S3 and
Second disconnecting switch S4；And/or, the 3rd breaker of also being connected between the second loading coil group and the second impulse commutation module Q2
S5 and the 3rd disconnecting switch S6.To ensure the circuit safety between loading coil group and step-down transformer T1, and it is easy to whole
Charging circuit is easy to carry out modularized design to step-down transformer T1, so as to set during for integral type charging equipment
Breaker and disconnecting switch have been counted, not only can be by loading coil group and the separate designs of step-down transformer T1, and can be with
Ensure Electrical Safety therebetween.
Selectively, also connected between the first loading coil group and the first impulse commutation module Q1 the first controlling switch
K1；Also connect the second controlling switch K2 between the second loading coil group and the second impulse commutation module Q2.
Selectively, the first controlling switch K1 or the second controlling switch K2 is connected with precharge return circuit module.It is pre-charged back
Road module includes the 3rd controlling switch K3 and first resistor R1 of series connection.First resistor R1 is used as load, is entirely being charged
Circuit start working when, first closure precharge return circuit module the 3rd controlling switch K3, when the electric capacity and inductance in circuit all
After charging, controlling switch K1 and K2 on two output branch roads are closed again, the 3rd control of precharge return circuit module is simultaneously switched off
System switch K3, so that it is guaranteed that whole charging process is steadily safe.
Selectively, the first impulse commutation module Q1 output end is in parallel with the second electric capacity C2, the second impulse commutation module
Q2 output end is in parallel with the 3rd electric capacity C3.Second electric capacity C2 is used to filter the first impulse commutation module Q1 output current
Ripple processing；3rd electric capacity C3 is used to be filtered processing to the second impulse commutation module Q2 output current.Second electric capacity C2 and
3rd electric capacity C3 generally selects specifications parameter identical electric capacity, to ensure the current filtering effect of two impulse commutation module output
It is identical, make the direct current of two impulse commutation module output when by inductance coil L1, L2, impedance of the inductance coil to electric current
Effect is also identical, makes current waveform of two output branch roads after parallel connection more steady.
Selectively, series diode D1 is gone back between the 3rd inductance coil L3 and the positive pole of DC output end, and
Second resistance R2 and the 4th controlling switch K5 are concatenated between diode D1 input and the negative pole of DC output end, by the 4th control
System switch K5, second resistance R2 and the first electric capacity C1 constitute decompression protection circuit.When charging complete, it is necessary to disconnected to whole circuit
Electricity, inductance coil after power-off and the first electric capacity C1 can residual fraction electricity, by decompression protection circuit by this partial circuit
Electricity use up, exhaust the electricity remained on the first electric capacity C1, to eliminate remaining capacity, protect personal safety.
Selectively, the first impulse commutation module and the second impulse commutation module have an identical circuit structure, and the
The three-phase bridge rectification circuit that one impulse commutation module is made up of 6 silicon controlled crystal brake pipes.
There is provided integral type charging equipment, including above charging circuit for another aspect according to embodiments of the present invention.
Those skilled in the art will be understood that above-described embodiment is illustrative and not restrictive.In not be the same as Example
The different technologies feature of middle appearance can be combined, to obtain beneficial effect.Those skilled in the art are in studying accompanying drawing, explanation
On the basis of book and claims, the embodiment of other changes of disclosed embodiment is will be understood that and realized.In right
In claim, term " comprising " is not precluded from other devices or step；Indefinite article " one " is not excluded for multiple；Term " the
One ", " second " is used to indicate title not for any specific order of expression.Any reference in claim is not
It should be understood limiting of its scope.The function of some occurred in claim can be by a single hardware
Or software module is realized.Some technical characteristics appear in that be not meant in different dependent claims can not be by these skills
Art feature is combined to obtain beneficial effect.
Claims (12)
1. a kind of charging circuit, it is characterised in that including ac input end, step-down transformer T1 and DC output end, wherein：
The ac input end, for being connected with high pressure three-phase alternating current inlet wire；
The step-down transformer T1 includes the source coil group of source and the first loading coil group, the second loading coil of load end
Group, the source coil group is connected with the ac input end, and the source coil group is to the first loading coil group and institute
The voltage ratio for stating the second loading coil group is equal, and the first loading coil group and the second loading coil group from it is different
Output branch road connection, the first loading coil group using triangle connection, and with the first impulse commutation module Q1 input
End connection forms first and exports branch road；The second loading coil group uses Y-connection, and with the second impulse commutation module Q2
Input connect to form the second output branch road；The output end of the first impulse commutation module Q1 passes through the first inductance coil L1
Be connected with the first IGBT pipes Q3 input pole, the output end of the second impulse commutation module Q2 by the second inductance coil L2 with
First IGBT pipes Q3 input pole connection；First IGBT pipes Q3 output stage passes through the 3rd inductance coil L3 and the direct current output
The positive pole connection at end, the first IGBT pipes Q3 output stage is connected with the 2nd IGBT pipes Q4 input pole, and the 2nd IGBT pipes Q4's is defeated
The negative pole for going out pole and DC output end is connected, at least one first electric capacity also in parallel between the positive pole and negative pole of DC output end
C1；
The DC output end, for exporting direct current.
2. charging circuit as claimed in claim 1, it is characterised in that the first loading coil group and first inductor wire
The impedance ratio enclosed between L1, equal to the impedance ratio between the second loading coil group and the second inductance coil L2.
3. charging circuit as claimed in claim 1, it is characterised in that the high pressure three-phase alternating current inlet wire is described including two
Ac input end is connected by switching switch K4 with two high pressure three-phase alternating current inlet wires.
4. charging circuit as claimed in claim 3, it is characterised in that in the switching switch K4 and step-down transformer T1
Between also connect the first breaker S1 and the first disconnecting switch S2.
5. charging circuit as claimed in claim 1, it is characterised in that in the first loading coil group and first pulse
Also connect the second breaker S3 and the second disconnecting switch S4 between rectification module Q1；And/or, the second loading coil group with
Also connect the 3rd breaker S5 and the 3rd disconnecting switch S6 between the second impulse commutation module Q2.
6. charging circuit as claimed in claim 1, it is characterised in that in the first loading coil group and first pulse
Also connect the first controlling switch K1 between rectification module Q1；And/or, it is whole in the second loading coil group and second pulse
Also connect the second controlling switch K2 between flow module Q2.
7. charging circuit as claimed in claim 1, it is characterised in that the first controlling switch K1 or the second controlling switch K2
It is connected with precharge return circuit module.
8. charging circuit as claimed in claim 7, it is characterised in that the precharge return circuit module includes the 3rd control of series connection
System switch K3 and first resistor R1.
9. charging circuit as claimed in claim 1, it is characterised in that the first impulse commutation module Q1 output end and the second electricity
Hold C2 in parallel, the second impulse commutation module Q2 output end is in parallel with the 3rd electric capacity C3.
10. charging circuit as claimed in claim 1, it is characterised in that defeated in the 3rd inductance coil L3 and the direct current
Series diode D1, and the negative pole of the input and the DC output end in the diode D1 are gone back between the positive pole for going out end
Between concatenate second resistance R2 and the 4th controlling switch K5, by the diode D1, the 4th controlling switch K5, second resistance R2 and
First electric capacity C1 constitutes decompression protection circuit.
11. charging circuit as claimed in claim 1, it is characterised in that the first impulse commutation module and second arteries and veins
Rushing rectification module has identical circuit structure, and the first impulse commutation module is made up of 6 silicon controlled crystal brake pipes
Three-phase bridge rectification circuit.
12. integral type charging equipment, it is characterised in that including one of the claim 1-11 charging circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212096.1A CN106972562A (en) | 2017-03-31 | 2017-03-31 | A kind of charging circuit and integral type charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710212096.1A CN106972562A (en) | 2017-03-31 | 2017-03-31 | A kind of charging circuit and integral type charging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106972562A true CN106972562A (en) | 2017-07-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710212096.1A Pending CN106972562A (en) | 2017-03-31 | 2017-03-31 | A kind of charging circuit and integral type charging equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604109A (en) * | 2022-04-07 | 2022-06-10 | 中国第一汽车股份有限公司 | Pre-charging device, system and pre-charging control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130020989A1 (en) * | 2011-07-21 | 2013-01-24 | Delta Electronics (Shanghai) Co., Ltd. | Ac-dc power converter and dc charging station thereof |
| CN103401302A (en) * | 2013-08-19 | 2013-11-20 | 南车株洲电力机车有限公司 | Vehicle ground charging system |
| CN105932893A (en) * | 2016-06-24 | 2016-09-07 | 南京航空航天大学 | Multi-pulse rectifier substation system for electric vehicle direct current charging station |
| CN106026702A (en) * | 2016-05-23 | 2016-10-12 | 安徽省金屹电源科技有限公司 | High-power direct current plasma power supply |
| CN205986275U (en) * | 2016-08-24 | 2017-02-22 | 薛洛良 | A quick charging device for large capacity battery |
| CN206878486U (en) * | 2017-03-31 | 2018-01-12 | 北京福斯特开关设备有限公司 | A kind of charging circuit and integral type charging equipment |
-
2017
- 2017-03-31 CN CN201710212096.1A patent/CN106972562A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130020989A1 (en) * | 2011-07-21 | 2013-01-24 | Delta Electronics (Shanghai) Co., Ltd. | Ac-dc power converter and dc charging station thereof |
| CN103401302A (en) * | 2013-08-19 | 2013-11-20 | 南车株洲电力机车有限公司 | Vehicle ground charging system |
| CN106026702A (en) * | 2016-05-23 | 2016-10-12 | 安徽省金屹电源科技有限公司 | High-power direct current plasma power supply |
| CN105932893A (en) * | 2016-06-24 | 2016-09-07 | 南京航空航天大学 | Multi-pulse rectifier substation system for electric vehicle direct current charging station |
| CN205986275U (en) * | 2016-08-24 | 2017-02-22 | 薛洛良 | A quick charging device for large capacity battery |
| CN206878486U (en) * | 2017-03-31 | 2018-01-12 | 北京福斯特开关设备有限公司 | A kind of charging circuit and integral type charging equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114604109A (en) * | 2022-04-07 | 2022-06-10 | 中国第一汽车股份有限公司 | Pre-charging device, system and pre-charging control method |
| CN114604109B (en) * | 2022-04-07 | 2024-03-19 | 中国第一汽车股份有限公司 | Precharge device, precharge system, and precharge control method |
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