CN110217124A - A kind of charger and electric vehicle with capacitor plate - Google Patents
A kind of charger and electric vehicle with capacitor plate Download PDFInfo
- Publication number
- CN110217124A CN110217124A CN201910652592.8A CN201910652592A CN110217124A CN 110217124 A CN110217124 A CN 110217124A CN 201910652592 A CN201910652592 A CN 201910652592A CN 110217124 A CN110217124 A CN 110217124A
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- Prior art keywords
- circuit board
- transformer
- holding tank
- face
- capacitor plate
- Prior art date
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- 239000003990 capacitor Substances 0.000 title claims abstract description 79
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000005266 casting Methods 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 37
- 238000009434 installation Methods 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 7
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 238000005457 optimization Methods 0.000 abstract description 11
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 description 12
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000001627 detrimental effect Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- B60L53/20—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 characterised by converters located in the vehicle
- B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention provides a kind of charger and electric vehicle with capacitor plate, including pedestal, circuit board and capacitor plate, holding tank is provided on pedestal, circuit board is provided with transformer and condenser network, transformer is arranged in holding tank, casting glue is filled between transformer and holding tank, circuit board is located at outside holding tank, transformer is arranged on the bottom side end face of circuit board, capacitor is arranged on capacitor plate, multiple capacitors are arranged on the table side end face of capacitor plate, capacitor plate is located at the top of holding tank, the bottom side end face of capacitor plate and the table side end face of circuit board are welded.By being provided with transformer and condenser network on the opposite two sides of circuit board, transformer is arranged in holding tank, multiple capacitors are arranged on the table side end face of independent one piece of capacitor plate, and line related is arranged on capacitor plate, it is welded again, then the device optimization arrangement for realizing optimization transformer and capacitor, improves device space utilization rate.
Description
Technical field
The present invention relates to new energy apparatus field more particularly to a kind of chargers and electric vehicle with capacitor plate.
Background technique
Electric vehicle has the characteristics that environmental protection, pollution are small, in tourist attraction etc. to environment because burns gasoline does not generate power for it
More demanding place is widely used.Existing electric vehicle is equipped with an AC motor control, is used for battery
The DC power supply of output is converted into three-phase alternating-current supply and driving motor rotation.
As the electrical equipment of electric vehicle is integrated, the integrated of vehicle-mounted OBC charger is also required to optimize, vehicle-mounted
OBC charger not only needs to undertake the conversion of external power supply, and extra power quickly can be carried out quick charge to main battery, and
The normal operation of some low-voltage electrical apparatuses on electric vehicle is maintained, therefore preferred arrangement is needed to numerous large volume of devices, thus
Integration of equipments degree is improved, and is conducive to efficiently production.
Summary of the invention
The first object of the present invention is to provide a kind of charger with capacitor plate for improving devices use space.
The second object of the present invention is to provide a kind of electric vehicle with above-mentioned charger.
In order to realize that an object of the present disclosure, the present invention provide a kind of charger with capacitor plate, including pedestal, electricity
Road plate and capacitor plate are provided with holding tank on pedestal, and circuit board is provided with high-voltage charging power conversion circuit, high-voltage charging function
Rate translation circuit includes transformer and condenser network, and transformer is arranged in holding tank, is filled between transformer and holding tank
Casting glue, circuit board are located at outside holding tank, and transformer is arranged on the bottom side end face of circuit board, and condenser network includes multiple capacitors
Device, condenser network are arranged on capacitor plate, and multiple capacitors are arranged on the table side end face of capacitor plate, capacitor plate position
In the top of holding tank, the bottom side end face of capacitor plate and the table side end face of circuit board are welded, and capacitor and transformer distinguish position
In on the opposite two sides of circuit board.
By above scheme as it can be seen that by being provided with transformer and condenser network, transformer on the opposite two sides of circuit board
It is to be arranged in holding tank and be filled with casting glue, and be detrimental to relative to the table side end face of transformer to multiple in circuit board
What capacitor was arranged, therefore on the table side end face of the capacitor plate by the way that multiple capacitors to be arranged in independent one piece, and
Line related is arranged on capacitor plate, then by capacitor plate and welding circuit board, then realizes optimization transformer and capacitor
Device optimization arrangement, improve device space utilization rate.
Further scheme is, transformer includes connecting plate and winding, connecting plate setting there are two the first mounting hole, around
Group setting is provided through electrical connection hole there are two coil connecting hole on circuit board, an attachment screw passes through an electrical connection
Hole, a coil connecting hole are connect with first mounting hole.
Therefore electrical connection hole, coil connecting hole are passed through by attachment screw and connect with the first mounting hole, thus convenient
The installation of transformer is connected and fixed.
Further scheme is that limiting section is formed between two attachment screws, and capacitor plate is overhanging to be provided with positioning region,
Positioning region is located in limiting section, and positioning region is located between two attachment screws.
Further scheme is, transformer includes two windings, and connecting plate is respectively set that there are two the first peaces in two sides
Fill hole, ipsilateral two screws form limiting section, and capacitor plate is provided with positioning region, the positioning region of two sides two sides are overhanging respectively
Cooperate respectively with limiting section.
Therefore capacitor plate is limited by attachment screw and is fixed, the precision of welding is improved in Reflow Soldering process
And stabilization.
Further scheme is, pedestal is provided with installation end face in the open outer side of holding tank, and connecting plate is provided with the
A positioning hole, the first mounting screw pass through first positioning hole and connect with installation end face.
Further scheme is that pedestal is provided with support column, and second location hole, circuit board bearing are provided on circuit board
On the support columns, the second mounting screw passes through location hole and connect with support column.
Further scheme is that support column setting is on installation end face.
Therefore installation fixation is carried out in face of connecting plate by the installation end of holding tank, and not only can be on the base
Support column is set, support column can also be set on installation end face, installation fixation is carried out to circuit board by different support columns,
To improve the Assembly stability of equipment.
Further scheme is, high-voltage charging power conversion circuit further includes switching tube, switching tube and holding tank it is outer
Wall is adjacent.
Further scheme is that charger further includes pressure holding piece and tabletting, and tabletting on the base is fixedly installed in pressure holding piece
It is connected between pressure holding piece and switching tube.
Therefore holding tank can not only carry out heat conduction and heat radiation to transformer by casting glue, and can also utilize appearance
The outer wall switch tube of slot received carries out heat conduction and heat radiation, and keeps press force using pressure holding piece and tabletting switch tube, to optimize
The radiator structure of charger is arranged, heat transfer efficiency is improved.
In order to realize that the second purpose of the invention, the present invention provide a kind of electric vehicle, the charger including above scheme.
By above scheme as it can be seen that by being provided with transformer and condenser network, transformer on the opposite two sides of circuit board
It is to be arranged in holding tank and be filled with casting glue, and be detrimental to relative to the table side end face of transformer to multiple in circuit board
What capacitor was arranged, therefore on the table side end face of the capacitor plate by the way that multiple capacitors to be arranged in independent one piece, and
Line related is arranged on capacitor plate, then by capacitor plate and welding circuit board, then realizes optimization transformer and capacitor
Device optimization arrangement, improve device space utilization rate, so that electric vehicle is had the control panel of more highly integrated degree.
Detailed description of the invention
Fig. 1 is the structure chart of charger embodiment of the present invention.
Fig. 2 is structure chart of the charger embodiment of the present invention under another visual angle.
Fig. 3 is the structural exploded view of charger embodiment of the present invention.
Fig. 4 is the exploded view of barricade in charger embodiment of the present invention.
Fig. 5 is that the structure chart after upper circuit board and middle circuit board is omitted in charger embodiment of the present invention.
Fig. 6 is the structure chart of pedestal in charger embodiment of the present invention.
Fig. 7 is the structure chart omitted after upper circuit board in charger embodiment of the present invention.
Fig. 8 is the structure chart of transformer in charger embodiment of the present invention.
Fig. 9 is the exploded view of transformer in charger embodiment of the present invention.
Figure 10 is the structure chart of inductance in charger embodiment of the present invention.
Figure 11 is the cross-sectional view of transformer and upper circuit board junction in charger embodiment of the present invention.
Figure 12 is the cross-sectional view of capacitor plate and upper circuit board junction in charger embodiment of the present invention.
Figure 13 is the top view of charger embodiment of the present invention.
Figure 14 is that charger embodiment of the present invention omits the top view after upper circuit board.
Figure 15 is the system block diagram of charger embodiment of the present invention.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
Referring to figs. 1 to Fig. 3, charger 1 includes pedestal 11, lower circuit board 2, inductance mounting plate 5, middle circuit board 4, upper circuit
Plate 8, barricade 3, connector 21, transformer 6, inductance plate 7 and capacitor plate 9.Referring to Fig. 4 to Fig. 7, and combine Figure 13 and figure
14, it is provided with holding tank 121 and holding tank 13 on pedestal 11, transversely upper and lower are adjacent sets for holding tank 121 and holding tank 13
It sets, and shares one side wall arrangement.
The lower setting of circuit board 2 on the base 11, is provided with DCDC power conversion circuit 20, DCDC power on lower circuit board 2
Translation circuit 20 is provided with low-voltage direct port 101 in edge.
Lower circuit board 2 is located at the laterally left side of holding tank 121, and inductance mounting plate 5 is arranged on pedestal 11, inductance installation
Inductance 51 and AC port 102 are provided on plate 5, AC port 102 is located at edge, and inductance mounting plate 5 is located at lower circuit board 2
Transverse lower portion, and laterally left side, the inductance mounting plate 5 that are located at holding tank 13 are located at the longitudinally upper of inductance 51, pedestal 11
In the longitudinally lower of inductance 51, pedestal 11 is provided with mating groove 113 to the lower section of inductance 51, and two inductance 51 pass through insulating heat-conductive
The mating groove 113 of piece and pedestal 11 is adjacent.
Middle circuit board 4 is supported on multiple support columns 111 of pedestal 11, and middle circuit board 4 is arranged in lower 2 He of circuit board
Inductance mounting plate 5 it is longitudinally upper, be provided with AC port filter circuit 401, auxiliary power circuit and high pressure on middle circuit board 4
DC port filter circuit 403, AC port filter circuit 401 include EMC filter circuit, and EMC filter circuit and inductance 51 connect
It connects, AC port filter circuit 401 is located at the longitudinally upper of inductance mounting plate 5, high voltage direct current port filter circuit 403 and auxiliary
Power circuit is helped to be located at the longitudinally upper of lower circuit board 2.
Barricade 3 cuts molding using sheet metal punching press, and barricade 3 includes lateral piece 31, lateral piece 32, vertical piece 34
With vertical piece 33, vertical piece 34 is connected between lateral piece 31 and lateral piece 32, has height between lateral piece 31 and lateral piece 32
Low difference, lateral piece 32 are located at by longitudinal top position, and lateral piece 31 is provided with opening, and vertical piece 33 is connect with lateral piece 31, horizontal
Plate portion 31, lateral piece 32 are laid with insulating part 36 between lower circuit board 2 and middle circuit board 4 on lateral piece 31, in transverse slat
Insulating part 37 is laid in portion 32, so that insulating part is located between the device and lateral piece on middle circuit board 4, and insulating part 36 covers
The opening of lateral piece 31, the arrangement being open for avoiding device, and vertical piece 33 is located between inductance 51 and lower circuit board 2.?
Barricade 3 is also provided with multiple mounting portions 35 in periphery, and mounting portion 35 and the erecting bed 143 of pedestal 11 are connected by screw to.
It is located at outside on barricade 3 and is additionally provided with support column 142, the first end of support column 142 is fixed on barricade 3
On, the second end of support column 142 is provided with fixation hole, and charger 1 further includes spacer ring 144 and the first attachment screw 145, interval
Ring 144 abuts against between circuit board 8 and middle circuit board 4, and the first attachment screw 145 sequentially passes through circuit board 8, spacer ring
It is connect with middle circuit board 4 with the fixation hole of support column 142.
Referring to Fig. 8 and Fig. 9, high-voltage charging power conversion circuit 802 includes transformer 6 and condenser network, and transformer 6 is arranged
In holding tank 121, between transformer 6 and holding tank 121 be filled with casting glue, specifically, transformer 6 include connecting plate 61,
Two windings, upper magnetic core 62 and lower magnetic core 65, winding include skeleton 63 and coil 64, run through hollow setting, line in the middle part of skeleton 63
64 winding skeleton 53 of circle, the both ends of coil 64 are respectively positioned on top extraction, and are provided with electric connecting sheet 641 two ends,
Electric connecting sheet 641 is provided through coil connecting hole 642, and the upper setting of magnetic core 62 is there are two cylinder 621 and is located at two cylinders 621
Between spacer portion 622, the periphery of cylinder 621 is provided with groove body, and the lower setting of magnetic core 65 is there are two cylinder 651 and is located at two columns
Spacer portion 652 between body 651, the periphery of cylinder 651 are provided with groove body, and two windings are separately positioned on cylinder 621 and cylinder
651 outside, i.e. cylinder 621 and cylinder 651 dock and protrude into the hollow position of skeleton 53, then upper magnetic core 62 and lower magnetic core 65
Two winding positions can be fixed, the lid of connecting plate 61 is closed in the top of upper magnetic core 62, and there are four the first installations for the setting of connecting plate 61
Hole 611, four the first mounting holes 611 are located at edge, and the periphery of each mounting hole 611 is provided with locating slot 612, electricity
Connection sheet 641 is located at the top of the first mounting hole 611, and in the bending insertion locating slot 612 of electric connecting sheet 641, electric connecting sheet
641 coil connecting hole 642 is connected to the first mounting hole 611, is provided through and is electrically connected in corresponding position on upper circuit board 8
Hole 872 is connect, electrical connection hole 872 is connect with high-voltage charging power conversion circuit 802, and an attachment screw 873 passes through one and is electrically connected
It connects 872, one, hole first coil connecting hole 642 to connect with first mounting hole 611, when connection, be set in the first mounting hole 611
It is equipped with nut 615, attachment screw 873 is connect with nut 615.
There are two install end face 123, two installation end face 123 difference in the open outer side setting of holding tank 121 for pedestal 11
On two sides side wall 125, connecting plate 61 is provided with loading plate 613 in opposite two outside, and loading plate 613 is provided with multiple the
A positioning hole 614, loading plate 613 are located on installation end face 123, and the first mounting screw 146 passes through first positioning hole 614 and installation
End face 123 connects.
Pedestal 11 is provided with support column 147 in the installation end face 123 of two sides, and support column 147 is diagonally positioned, pedestal 11
The outside of holding tank 121 is also provided with multiple support columns 111, is provided with multiple second location holes on upper circuit board 8, powers on
Road plate 8 is supported on multiple and different support columns 147, and the second mounting screw 148 passes through second location hole and support column 147 connects
It connects.
High-voltage charging power conversion circuit 802 further includes primary side switch tube assembly and secondary-side switch tube assembly, primary side switch
Tube assembly and secondary-side switch tube assembly include multiple switch pipe 84, and multiple switch pipe 84 is separately positioned on and holding tank 121
On two sides, and it is adjacent with the outer wall 125 of holding tank 121 respectively, and can also increase between power tube 84 and outer wall 125 and set
Thermal conductive ceramic pad is set, switch tube 84 applies press force, mainly passes through pressure holding piece 86 and tabletting 85 carries out, tabletting 85 is in elastic slice
Setting, the pressure holding end abutment and power tube 84 of tabletting 85, and tabletting 85 is provided with pressure inclined-plane, pressure holding piece 86 is also set accordingly
It is equipped with pressure inclined-plane, pressure holding piece 86 and tabletting 85 cooperate, and tabletting 85 is connected between pressure holding piece 86 and switching tube 84, pressure holding piece
86 apply pressure to power tube 84 by tabletting 85, and pressure holding piece 86 is fixed at the two sides that pedestal 11 is located at holding tank 121
On.
Referring to Fig. 3, and Fig. 2 and Figure 12 is combined, condenser network is arranged on capacitor plate 9, and multiple capacitors 91 are respectively provided with
On the table side end face of capacitor plate 9, capacitor plate 9 is located at the top of holding tank 121, and since the setting of transformer 6 is powering on
On the bottom side end face of road plate 8, upper circuit board 8 is located at outside holding tank 121, thus upper circuit board 8 at the position of transformer 6 not
Extra position carries out the setting of device, therefore multiple capacitors 91 are respectively positioned on the table side end face of capacitor plate 9, and transformer
6 are located on the bottom side end face of upper circuit board 8, and by the way that multiple interface pads are arranged on capacitor plate 9, and interface pads are located at
The edge of capacitor plate 9 then forms circuit so that the bottom side end face of capacitor plate 9 and the table side end face of upper circuit board 8 are welded
Arrangement, the layout of optimised devices on the opposite two sides of upper circuit board 8 is located at using capacitor 91 and transformer 6.And it is electric
Hold plate 9 and be provided with positioning region 92 both ends are overhanging respectively, form limiting section between two ipsilateral attachment screws 873, positions
Portion 92 is located between two attachment screws 873, and the positioning region 92 of two sides cooperates with the limiting section of respective side respectively to be limited, positioning region
92 are located in limiting section, and capacitor plate 9 is then enable steadily to carry out Reflow Soldering welding procedure.
Referring to Fig.1 0 to Figure 12, two inductance 72 are arranged on the bottom side end face of PFC inductance plate 7, the electricity of two inductance 72
721 longitudinal direction of connection sheet extends and extends at PFC inductance plate 7 welds with PFC inductance plate 7, and inductance 72 is arranged in holding tank 13,
Casting glue is filled between inductance 72 and holding tank 13, the lid of PFC inductance plate 7 closes the PFC inductance plate above the longitudinal direction of holding tank 13
7 are provided through multiple first positioning holes 76, and multiple first positioning holes 76 are located at edge, opening of the pedestal 11 in holding tank 13
Outside is provided with installation end face 134, and the first mounting screw passes through first positioning hole 76 and connect with installation end face.Pedestal 11 also exists
The periphery of holding tank 13 is provided with multiple support columns 77, is provided with positioning on the corresponding position of support column 77 on upper circuit board 8
Hole, upper circuit board 8 are supported on support column 77, and the second mounting screw passes through location hole and connect with support column 77.
PFC main circuit 801 further includes multiple switch pipe 81, and the bottom side end face of upper circuit board is arranged in multiple switch pipe 81
On, multiple switch pipe 81 is arranged along a straight line, and holding tank 13 has outer wall 132 in the outer part, and outer wall 132 is located remotely from holding tank
On 121 side, outer wall 132 is transversely outer to be stretched in outside holding tank 13, and multiple switch pipe 81 is located at the outside of outer wall 132 simultaneously
It is adjacent with the outer wall 132 of holding tank 13.Switch tube 81 is also pressed by pressure holding piece 83 and tabletting 82, and pressure holding piece 83 is fixed
On the base 11, tabletting 82 is connected between pressure holding piece 83 and switching tube 81, and pressure holding piece 83 is fixed on mounting blocks 115 for setting,
Pressure holding piece 83 and the structure of tabletting 82 are identical as pressure holding piece 86 and tabletting 85, and so it will not be repeated.
Charger further includes electrical connection module, and electrical connection module includes multiple electric connecting sheets 74,75 and of multiple attachment screws
Multiple electric binding posts 73, upper circuit board 8 are provided through handle hole 871, and electric connecting sheet 74 is arranged in the form of sheets, electric connecting sheet 74
Fixing end 741 and upper circuit board 8 weld, and the fixing end 741 of electric connecting sheet 74 is located on the side of handle hole 871, is then electrically connected
Contact pin 74 is electrically connected with PFC main circuit 801, and the free end 742 of electric connecting sheet 74 is extended in transverse curvature, electric connecting sheet
Connecting hole 743 is arranged in 74 free end, and handle hole 871 is located at longitudinal top of connecting hole 743, handle hole 871 and connecting hole 743
Coaxial communication setting.Electric binding post 73 is arranged on the table side end face of PFC inductance plate 7, and electric binding post 73 is electrically connected with inductance 72,
Electrical connection hole is provided on the end of electric binding post 73, multiple electric binding posts 73 are linearly arranged.
The free end 742 of electric connecting sheet 74 and electric binding post above 7 longitudinal direction of PFC inductance plate are closed in upper circuit board 8 lid
73 end abutment, attachment screw 75, which is located in handle hole 871, to be connect across connecting hole 743 with electrical connection hole, electrical connection module
Between PFC inductance plate 7 and upper circuit board 8, the connection of PFC main circuit and inductance is then realized.
Referring to Fig.1 3 to Figure 15, circuit position is said below with reference to the system block diagram and structural plan of charger
It is bright, DCDC power conversion circuit 20 is provided on lower circuit board 2, DCDC power conversion circuit 20 is provided with low-voltage direct port
101, low-voltage direct port 101 is located at marginal position, and AC port 102, inductance mounting plate 5 are provided on inductance mounting plate 5
Positioned at the transverse lower portion of DCDC power conversion circuit 20.
Middle circuit board 4 is located at the longitudinally upper of lower circuit board 2 and inductance mounting plate 5, is provided with soft open on middle circuit board 4
Dynamic circuit 402, auxiliary power circuit 404, AC port filter circuit 401 and high voltage direct current port filter circuit 403, auxiliary electricity
Source circuit 404 is located at middle part, and auxiliary power circuit 404 is located at the transverse lower portion of high voltage direct current port filter circuit 403, soft to open
Dynamic circuit 402 and AC port filter circuit 401 are respectively positioned on the transverse lower portion of auxiliary power circuit 404, AC port filtered electrical
Road 401 is located at the longitudinally upper of inductance mounting plate 5, and high voltage direct current port filter circuit 403 is located at DCDC power conversion circuit 20
It is longitudinally upper, high voltage direct current port filter circuit 403 is provided with high voltage direct current port 103, and high voltage direct current port 103 is located at side
At edge position.
Upper circuit board 8 is located at the longitudinally upper of middle circuit board 4, and upper circuit board 8 is provided with PFC main circuit 801, PFC control
Circuit 803, high-voltage charging power conversion circuit 802 and high-voltage charging conversion control circuit 804, PFC control circuit 803, which is located at, to be handed over
Flow port filter circuit 401 it is longitudinally upper, high-voltage charging conversion control circuit is located at 103 filter circuit of high voltage direct current port
403 it is longitudinally upper.
PFC main circuit 801 includes inductance 72, PFC power change switch tube assembly 8011 and PFC bus electrolytic capacitor group
Part 8012, PFC power change switch tube assembly 8011 include the multiple switch pipe 81 being arranged along a straight line, PFC bus electrolytic capacitor
Component 8012 includes multiple PFC bus electrolytic capacitors 88, and multiple PFC bus electrolytic capacitors 88 are arranged along straight line, and are placed on
It sets in slot 114 and positions.
PFC power change switch tube assembly 8011 is located at the lateral right part of PFC control circuit 803, and high-voltage charging power becomes
The upper transverse portion that circuit 802 is located at PFC power change switch tube assembly 8011 is changed, PFC bus electrolytic capacitor component 8012 is located at
The lateral right part of high-voltage charging power conversion circuit 802 and PFC power change switch tube assembly 8011, high-voltage charging transformation control
Circuit 804 is located at the lateral left part of high-voltage charging power conversion circuit 802, and high-voltage charging power conversion circuit 802 includes primary side
Switch tube assembly 8021, secondary-side switch tube assembly 8022 and transformer 6, primary side switch tube assembly 8021 and secondary-side switch pipe group
Part 8022 includes multiple switch pipe 84, and primary side switch tube assembly 8021 is located at the laterally left of PFC bus electrolytic capacitor component 8021
Side, laterally left side, the secondary-side switch tube assembly 8022 that transformer 6 is located at primary side switch tube assembly 8021 are located at the cross of transformer 6
To the left, high-voltage charging conversion control circuit 804 is located at the laterally left side of secondary-side switch tube assembly.
4 and Fig. 2 is combined referring to Fig.1, connector 21 is connected between circuit board 8 and lower circuit board 2, and connector 21 includes
Two conductive sheets, conductive sheet extend longitudinally, connector 21 be located at middle circuit board 4 and high-voltage charging power conversion circuit 802 it
Between, the first end and DCDC power conversion circuit 20 of conductive sheet weld, and the second end of conductive sheet is in bending setting, conductive sheet
Second end be provided with the first connecting hole, upper circuit board 8 is provided with second connect with high-voltage charging power conversion circuit 802 and connects
Hole is connect, attachment screw 23 passes through the second connecting hole and connect with the first connecting hole.And the second end of two conductive sheets is towards different directions
Bending, and 22 sets of insulation sleeve on the outside of the middle part of two conductive sheets, is fixed using the second end of different directions, improves connection
The connective stability of part 21.
AC port 102 is connect with the EMC filter circuit of AC port filter circuit 401, AC port filter circuit 401
With soft starting circuit 402 interconnection be used cooperatively, EMC filter circuit is connect with PFC main circuit 801, PFC main circuit 801 and
High-voltage charging power conversion circuit 802 connects, high-voltage charging power conversion circuit 802 and high voltage direct current port filter circuit 403
Connection, high-voltage charging power conversion circuit 802 are connect by connector 21 with DCDC power conversion circuit 20, PFC control circuit
803 connected with PFC main circuit 801 and carry out it is corresponding control, high-voltage charging conversion control circuit and high-voltage charging power conversion
Circuit 802 is connected and is controlled accordingly.
Power flow direction successively passes through AC port filter circuit 401, PFC power change switch tube assembly, PFC bus electricity
After solving capacitor and high-voltage charging power conversion circuit 802, power flow can be exported from 103 filter circuit 403 of high voltage direct current port or
It is exported from DCDC power conversion circuit 20.
Therefore arranged by lower circuit board, inductance mounting plate, middle circuit board, upper circuit board laminate, it is greatly improved
Space utilization rate improves the integrated level of equipment, and will have DCDC power conversion circuit that underlying lower circuit board is arranged,
Due to being high-tension circuit above lower circuit board, and DCDC power conversion circuit belongs to low-voltage circuit, therefore passes through setting barricade
Between lower circuit board and middle circuit board, using the insulating effect of barricade, the stability of equipment operation is improved, and is connected
Mode then uses connector to be connected to upper circuit board and lower circuit board across middle circuit board, optimizes the layout of route, leads to
Cross the vehicle-mounted OBC charger that Highgrade integration is realized in flat laminated circuit board setting.By vertical piece be arranged in inductance and
Between lower circuit board, using stringer board isolation from the interference of inductance, and insulating part is set in lateral piece, to further increase
The operation stability of equipment, and using being provided with support column on the barricade of fixed setting again, it is further right by support column
Upper circuit board and middle circuit board, to optimize mounting structure and device layout.By the way that conductive sheet is arranged in middle circuit board
Between high-voltage charging power conversion circuit, and conductive sheet is connected between circuit board and lower circuit board, and is therefrom circuit
The outside of plate passes through, and the adjustment of current direction is easily carried out using the conductive sheet of optimization layout, and insulation sleeve can be improved equipment
Operation stability.
Also, by being provided with transformer and condenser network on the opposite two sides of circuit board, transformer is that setting is being held
It receives in slot and filled with casting glue, and is detrimental to carry out multiple capacitors relative to the table side end face of transformer in circuit board
Arrangement, therefore on the table side end face of the capacitor plate by the way that multiple capacitors to be arranged in independent one piece, and on capacitor plate
It arranges line related, then by capacitor plate and welding circuit board, then realizes the device optimization of optimization transformer and capacitor
Arrangement improves device space utilization rate.Electrical connection hole, coil connecting hole is passed through by attachment screw to connect with the first mounting hole,
To facilitate the installation of transformer to be connected and fixed.Capacitor plate is limited by attachment screw and is fixed, is mentioned in Reflow Soldering process
The precision and stabilization of height welding.Installation fixation is carried out in face of connecting plate by the installation end of holding tank, and not only can be in pedestal
Support column can also be arranged on installation end face in upper setting support column, install to circuit board by different support columns solid
It is fixed, to improve the Assembly stability of equipment.Holding tank can not only carry out heat conduction and heat radiation to transformer by casting glue, and also
The outer wall switch tube that can use holding tank carries out heat conduction and heat radiation, and keeps pressure holding using pressure holding piece and tabletting switch tube
Power improves heat transfer efficiency to optimize the radiator structure arrangement of charger.
And by the way that inductance to be arranged on the bottom side end face of PFC inductance plate, and inductance is arranged in holding tank,
PFC inductance plate lid is closed outside holding tank, then circuit board cover is closed above the longitudinal direction of PFC inductance plate, and utilizes and is electrically connected
Connected components are connected electrically between PFC inductance plate and circuit board, are laid out by the laminated circuit board of longitudinal stereoscopic, are then realized optimization
The preferred arrangement of device improves device space utilization rate.By the setting of electric connecting sheet and electric binding post, so that assembly can be improved
Convenience and assembly redundancy, in addition also using through setting handle hole, it is convenient in handle hole to attachment screw
Carry out operation installation.
In addition, each circuit module of orderly setting of arrangement and circuit module by laminated circuit board, so that power
Flow direction successively passes through AC port filter circuit, PFC power change switch tube assembly, PFC bus electrolytic capacitor and high-voltage charging
After power conversion circuit, power flow can be exported from high voltage direct current port filter circuit or be exported from DCDC power conversion circuit, i.e.,
Power flow is transmitted again to lateral left part from lower left quarter toward lateral right part, upper transverse portion, and is pacified from longitudinally lower inductance is located at
Loading board enters, and then successively circuit board transmits up, then down, finally can therefrom circuit board output or defeated from lower circuit board
Out, the flow direction of power flow reduces the mutual interference of circuit after optimization, improves the operation stability of equipment.
Claims (10)
1. a kind of charger with capacitor plate characterized by comprising
Pedestal is provided with holding tank on the pedestal；
Circuit board, the circuit board are provided with high-voltage charging power conversion circuit, and the high-voltage charging power conversion circuit includes
Transformer and condenser network, the transformer are arranged in the holding tank, fill between the transformer and the holding tank
There is casting glue, the circuit board is located at outside the holding tank, and the transformer is arranged on the bottom side end face of the circuit board, institute
Stating condenser network includes multiple capacitors；
Capacitor plate, the condenser network are arranged on the capacitor plate, and multiple capacitors are arranged at the capacitor
On the table side end face of plate, the capacitor plate is located at the top of the holding tank, the bottom side end face of the capacitor plate and institute
The table side end face welding of circuit board is stated, the capacitor and the transformer are located on the opposite two sides of the circuit board.
2. charger according to claim 1, it is characterised in that:
The transformer includes connecting plate and winding, and there are two the first mounting hole, the winding is provided with for the connecting plate setting
Two coil connecting holes, electrical connection hole is provided through on the circuit board, and an attachment screw passes through an electrical connection
Hole, a coil connecting hole are connect with first mounting hole.
3. charger according to claim 2, it is characterised in that:
Limiting section is formed between two attachment screws, the capacitor plate is overhanging to be provided with positioning region, the positioning position
In in the limiting section, the positioning region is located between two attachment screws.
4. charger according to claim 3, it is characterised in that:
The transformer includes two windings, and the connecting plate is respectively set in two sides there are two first mounting hole, ipsilateral
Two screws between form the limiting section, the capacitor plate is provided with the positioning region two sides are overhanging respectively,
The positioning region of two sides cooperates with the limiting section respectively.
5. charger according to claim 2, it is characterised in that:
The pedestal is provided with installation end face in the open outer side of the holding tank, and the connecting plate is provided with first positioning hole,
First mounting screw passes through the first positioning hole and connect with the installation end face.
6. charger according to claim 5, it is characterised in that:
The pedestal is provided with support column, and second location hole is provided on the circuit board, and the circuit board is supported on the branch
On dagger, the second mounting screw passes through the second location hole and connect with the support column.
7. charger according to claim 6, it is characterised in that:
The support column is arranged on the installation end face.
8. charger according to any one of claims 1 to 7, it is characterised in that
The high-voltage charging power conversion circuit further includes switching tube, and the outer wall of the switching tube and the holding tank is adjacent.
9. charger according to claim 8, it is characterised in that:
The charger further includes pressure holding piece and tabletting, and the pressure holding piece is fixed on the pedestal, and the tabletting abuts
Between the pressure holding piece and the switching tube.
10. electric vehicle, which is characterized in that including the described in any item chargers of the claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019106282057 | 2019-07-11 | ||
| CN201910628205 | 2019-07-11 |
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| CN110217124A true CN110217124A (en) | 2019-09-10 |
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ID=67813652
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910652592.8A Pending CN110217124A (en) | 2019-07-11 | 2019-07-18 | A kind of charger and electric vehicle with capacitor plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20220102054A1 (en) * | 2020-09-25 | 2022-03-31 | Delta Electronics, Inc. | Power conversion module and magnetic component thereof |
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