CN210652719U - Charger with laminated circuit board layout and electric vehicle - Google Patents
Charger with laminated circuit board layout and electric vehicle Download PDFInfo
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- CN210652719U CN210652719U CN201921134705.7U CN201921134705U CN210652719U CN 210652719 U CN210652719 U CN 210652719U CN 201921134705 U CN201921134705 U CN 201921134705U CN 210652719 U CN210652719 U CN 210652719U
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 73
- 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 claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 description 27
- 239000003990 capacitor Substances 0.000 description 26
- 238000010586 diagram Methods 0.000 description 10
- 230000010354 integration Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004382 potting Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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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
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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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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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
- 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
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Abstract
The utility model provides a stromatolite circuit board overall arrangement charge machine and electric motor car, which comprises a base, lower circuit board, the inductance mounting panel, well circuit board, go up the circuit board, shield plate and connecting piece, be provided with DCDC power conversion circuit down on the circuit board, the inductance mounting panel sets up on the base, the inductance mounting panel is provided with the inductance, the inductance mounting panel is located the horizontal lateral part of circuit board down, the inductance mounting panel is located the vertical upper portion of inductance, well circuit board is located the vertical upper portion of circuit board and inductance mounting panel down, the shield plate is located down between circuit board and the well circuit board, the connecting piece is connected between last circuit board and. Through the circuit board stromatolite arrangement, can improve space utilization greatly, improve equipment's integrated level to utilize the shielding plate to be located down between circuit board and the well circuit board, utilize the isolated effect of shielding plate, improve equipment operation's stability.
Description
Technical Field
The utility model relates to a new forms of energy equipment field especially relates to a machine and electric motor car charge of stromatolite circuit board overall arrangement.
Background
The electric vehicle generates power because the electric vehicle does not burn gasoline, has the characteristics of environmental protection and little pollution, and is widely applied to places with higher requirements on environment, such as tourist attractions and the like. The existing electric vehicle is provided with an alternating current motor controller for converting a direct current power supply output by a storage battery into a three-phase alternating current power supply and driving a motor to rotate.
Along with the electrical equipment of electric motor car integrates, the integration that on-vehicle OBC machine charged also needs to be optimized, and on-vehicle OBC machine that charges not only need undertake external power source's conversion, can carry out quick charge with the external energy to the main battery fast, and will maintain the normal function of some low-voltage apparatus on the electric motor car, so need with the DCDC module integrated to on-vehicle OBC machine that charges can effectively improve equipment integration degree.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high integration and the stable machine that charges of stromatolite circuit board overall arrangement of operation.
The second purpose of the utility model is to provide an install above-mentioned electric motor car that charges machine.
In order to realize the first object of the utility model, the utility model provides a charger with a laminated circuit board layout, which comprises a base, a lower circuit board, an inductance mounting plate, a middle circuit board, an upper circuit board, a shielding plate and a connecting piece, wherein the lower circuit board is provided with a DCDC power conversion circuit, the lower circuit board is arranged on the base, the inductance mounting plate is provided with an inductance, the inductance mounting plate is arranged at the transverse side part of the lower circuit board, the inductance mounting plate is arranged at the longitudinal upper part of the inductance, the base is arranged at the longitudinal lower part of the inductance, the inductance is adjacent to the base, the middle circuit board is arranged on the base, the middle circuit board is arranged at the longitudinal upper parts of the lower circuit board and the inductance mounting plate, the middle circuit board is provided with an AC port filter circuit, an auxiliary power circuit and a high-voltage DC, the upper circuit board is arranged on the base, the upper circuit board is positioned on the longitudinal upper part of the middle circuit board, the upper circuit board is provided with a PFC main circuit, a PFC control circuit, a high-voltage charging power conversion circuit and a high-voltage charging conversion control circuit, the PFC control circuit is positioned on the longitudinal upper part of the alternating current port filter circuit, the high-voltage charging conversion control circuit is positioned on the longitudinal upper parts of the high-voltage direct current port filter circuit and the auxiliary power circuit, the PFC main circuit and the high-voltage charging power conversion circuit are both positioned on the transverse side parts of the PFC control circuit and the high-voltage charging conversion control circuit, the shielding plate is fixedly connected with the base, the shielding plate is positioned between the lower circuit board and the middle circuit board, the connecting piece is connected between the upper circuit board and the lower circuit board, the alternating current port filter circuit is connected with, the high-voltage charging power conversion circuit is connected with the DCDC power conversion circuit through a connecting piece, the PFC control circuit is connected with the PFC main circuit, and the high-voltage charging conversion control circuit is connected with the high-voltage charging power conversion circuit.
It can be seen from the above-mentioned scheme that, through lower circuit board, the inductance mounting panel, well circuit board, go up the circuit board stromatolite and arrange, can improve space utilization greatly, improve the integrated level of equipment, and will have the lower circuit board that DCDC power conversion circuit setting is located the below, because the top of lower circuit board is high voltage circuit, and DCDC power conversion circuit belongs to low voltage circuit, so through setting up the shield plate between circuit board and the well circuit board under being located, utilize the isolated effect of shield plate, improve the stability of equipment operation, and the connected mode then adopts the connecting piece to pass well circuit board ground and connect between last circuit board and lower circuit board, optimize the overall arrangement of circuit, set up the on-vehicle OBC machine that realizes high integration through flat stromatolite circuit.
In a further aspect, the shield plate includes a lateral plate portion and a longitudinal plate portion, the lateral plate portion is located between the lower circuit board and the middle circuit board, and the longitudinal plate portion is located between the inductor and the lower circuit board.
Further, the shielding plate further comprises a plurality of mounting portions arranged on the periphery, and the mounting portions are connected with the base.
According to a further scheme, the shielding plate is further provided with a supporting column, a first end of the supporting column is fixed on the shielding plate, a second end of the supporting column is provided with a fixing hole, the charger further comprises a spacing ring and a first connecting screw, the spacing ring is abutted between the upper circuit board and the middle circuit board, and the first connecting screw sequentially penetrates through the upper circuit board, the spacing ring and the middle circuit board to be connected with the fixing hole.
According to a further scheme, the charger further comprises an insulating part, and the insulating part is laid on the transverse plate part.
It is from top to bottom seen that setting up between being located the inductance and lower circuit board through the vertical plate, utilizing the vertical plate to keep apart the interference that comes from the inductance to set up the insulating part at the horizontal plate, thereby further improve equipment's operating stability, and utilize to be provided with the support column on the fixed shield plate that sets up again, further to going up circuit board and well circuit board again through the support column, thereby optimize mounting structure and device overall arrangement.
Further, the high voltage charging power converting circuit is located at a lateral side of the lower circuit board, and the connecting member is located between the middle circuit board and the high voltage charging power converting circuit.
The connecting piece comprises a conducting plate, the first end of the conducting plate is welded with the DCDC power conversion circuit, the second end of the conducting plate is arranged in a bent mode, the second end of the conducting plate is provided with a connecting hole, and a second connecting screw penetrates through the upper circuit board and is connected with the connecting hole.
In a further scheme, an insulating sleeve is arranged in the middle of the conducting strip.
The connecting piece comprises two conducting strips, the second ends of the two conducting strips are bent towards different directions, and the insulating sleeve is sleeved on the outer sides of the middle parts of the two conducting strips.
It is thus clear that through setting up the conducting strip between being located well circuit board and high voltage charging power converting circuit, and the conducting strip is connected between last circuit board and lower circuit board, and passes from the outside of centre circuit board, utilizes the conducting strip of optimizing the overall arrangement conveniently to carry out the adjustment of current flow direction, and insulating cover can improve equipment's operating stability.
In order to realize the utility model discloses the second purpose, the utility model provides an electric motor car, include the machine that charges as above-mentioned scheme.
It can be seen from the above-mentioned scheme that, through lower circuit board, the inductance mounting panel, well circuit board, go up the circuit board stromatolite and arrange, can improve space utilization greatly, improve the integrated level of equipment, and will have the lower circuit board that DCDC power conversion circuit setting is located the below, because the top of lower circuit board is high voltage circuit, and DCDC power conversion circuit belongs to low voltage circuit, so through setting up the shield plate between circuit board and the well circuit board under being located, utilize the isolated effect of shield plate, improve the stability of equipment operation, and the connected mode then adopts the connecting piece to pass well circuit board ground and connect between last circuit board and lower circuit board, optimize the overall arrangement of circuit, set up the on-vehicle OBC machine that realizes high integration through flat stromatolite circuit.
Drawings
Fig. 1 is a structural diagram of an embodiment of the charger of the present invention.
Fig. 2 is a structural diagram of the charger of the present invention at another viewing angle.
Fig. 3 is an exploded view of the charger of the present invention.
Fig. 4 is an exploded view of the shielding plate in the embodiment of the charger of the present invention.
Fig. 5 is a structural diagram of the charger of the present invention without the upper circuit board and the middle circuit board.
Fig. 6 is a structural diagram of a base in an embodiment of the charger of the present invention.
Fig. 7 is a structural diagram of the charger of the present invention after the circuit board is omitted.
Fig. 8 is a structural diagram of a transformer in an embodiment of the charger of the present invention.
Fig. 9 is an exploded view of the transformer in the charger embodiment of the present invention.
Fig. 10 is a structural diagram of an inductor in an embodiment of the charger of the present invention.
Fig. 11 is a cross-sectional view of the junction between the transformer and the upper circuit board in the embodiment of the charger of the present invention.
Fig. 12 is a cross-sectional view of the junction between the capacitor plug board and the upper circuit board in the embodiment of the charger of the present invention.
Fig. 13 is a top view of the charger of the present invention.
Fig. 14 is a top view of the charger of the present invention after the circuit board is omitted.
Fig. 15 is a system block diagram of the charger of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 to 3, the charger 1 includes a base 11, a lower circuit board 2, an inductor mounting board 5, a middle circuit board 4, an upper circuit board 8, a shielding board 3, a connecting member 21, a transformer 6, an inductor board 7, and a capacitor plug board 9. Referring to fig. 4 to 7 in combination with fig. 13 and 14, the base 11 is provided with a receiving groove 121 and a receiving groove 13, and the receiving groove 121 and the receiving groove 13 are adjacently disposed along the upper and lower portions in the transverse direction and share a side wall.
The lower circuit board 2 is disposed on the base 11, the DCDC power conversion circuit 20 is disposed on the lower circuit board 2, and the DCDC power conversion circuit 20 is provided with a low-voltage direct current port 101 at an edge.
Lower circuit board 2 is located the horizontal left side of holding tank 121, inductance mounting panel 5 sets up on base 11, be provided with inductance 51 and interchange port 102 on the inductance mounting panel 5, it is located the edge to exchange port 102, inductance mounting panel 5 is located the horizontal lower part of lower circuit board 2, and be located the horizontal left side of holding tank 13, inductance mounting panel 5 is located the vertical upper portion of inductance 51, base 11 is located the vertical lower part of inductance 51, base 11 is provided with cooperation groove 113 to the below of inductance 51, two inductances 51 are adjoined with cooperation groove 113 of base 11 through insulating conducting strip.
The middle circuit board 4 is supported on a plurality of support columns 111 of the base 11, the middle circuit board 4 is arranged on the upper longitudinal portion of the lower circuit board 2 and the inductance mounting board 5, an alternating current port filter circuit 401, an auxiliary power supply circuit and a high voltage direct current port filter circuit 403 are arranged on the middle circuit board 4, the alternating current port filter circuit 401 comprises an EMC filter circuit, the EMC filter circuit is connected with the inductance 51, the alternating current port filter circuit 401 is arranged on the upper longitudinal portion of the inductance mounting board 5, and the high voltage direct current port filter circuit 403 and the auxiliary power supply circuit are arranged on the upper longitudinal portion of the lower circuit board 2.
The shielding plate 3 is formed by stamping and cutting sheet metal, the shielding plate 3 comprises a transverse plate portion 31, a transverse plate portion 32, a longitudinal plate portion 34 and a longitudinal plate portion 33, the longitudinal plate portion 34 is connected between the transverse plate portion 31 and the transverse plate portion 32, a height difference exists between the transverse plate portion 31 and the transverse plate portion 32, the transverse plate portion 32 is located near the upper longitudinal position, the transverse plate portion 31 is provided with an opening, the longitudinal plate portion 33 is connected with the transverse plate portion 31, the transverse plate portion 31 and the transverse plate portion 32 are located between the lower circuit board 2 and the middle circuit board 4, an insulating member 36 is laid on the transverse plate portion 31, an insulating member 37 is laid on the transverse plate portion 32, the insulating member is located between a device on the middle circuit board 4 and the transverse plate portion, the insulating member 36 covers the opening of the transverse plate portion 31, the opening is used for avoiding the arrangement of the device, and. The shield plate 3 is further provided with a plurality of mounting portions 35 on the outer periphery, and the mounting portions 35 are screwed to the mounting bases 143 of the base 11.
The shielding plate 3 is further provided with a supporting column 142 at the outer side, the first end of the supporting column 142 is fixed on the shielding plate 3, the second end of the supporting column 142 is provided with a fixing hole, the charger 1 further comprises a spacing ring 144 and a first connecting screw 145, the spacing ring 144 is abutted between the upper circuit board 8 and the middle circuit board 4, and the first connecting screw 145 sequentially penetrates through the fixing holes of the upper circuit board 8, the spacing ring and the middle circuit board 4 to be connected with the supporting column 142.
Referring to fig. 8 and 9, the high-voltage charging power conversion circuit 802 includes a transformer 6 and a capacitor circuit, the transformer 6 is disposed in the accommodating groove 121, and a potting adhesive is filled between the transformer 6 and the accommodating groove 121, specifically, the transformer 6 includes a connection board 61, two windings, an upper magnetic core 62 and a lower magnetic core 65, the windings include a bobbin 63 and a coil 64, the middle of the bobbin 63 penetrates through the hollow arrangement, the coil 64 is wound around the bobbin 53, both ends of the coil 64 are located at the upper portion and led out, and both ends of the coil 64 are provided with electrical connection sheets 641, the electrical connection sheets 641 penetrate through coil connection holes 642, the upper magnetic core 62 is provided with two columns 621 and a spacing portion 622 located between the two columns 621, the periphery of the columns 621 is provided with a slot, the lower magnetic core 65 is provided with two columns 651 and a spacing portion 652 located between the two columns 651, the periphery of the columns 651 is provided, that is, the column 621 and the column 651 are abutted and extended into the hollow position of the frame 53, then the upper magnetic core 62 and the lower magnetic core 65 can fix the two winding positions, the connecting plate 61 covers the upper portion of the upper magnetic core 62, the connecting plate 61 is provided with four first mounting holes 611, the four first mounting holes 611 are respectively located at the edges, the periphery of each mounting hole 611 is provided with a positioning groove 612, the electric connecting sheet 641 is located at the upper portion of the first mounting hole 611, the electric connecting sheet 641 is bent and embedded into the positioning groove 612, the coil connecting hole 642 of the electric connecting sheet 641 is communicated with the first mounting hole 611, the upper circuit board 8 is provided with an electric connecting hole 872 at a corresponding position, the electric connecting hole 872 is connected with the high-voltage charging power conversion circuit 802, a connecting screw 873 passes through the electric connecting hole 872, and the first coil connecting hole 642 is connected with one first mounting hole 611, when connecting, a nut 615 is arranged, the coupling screw 873 is coupled with the nut 615.
The base 11 is provided with two mounting end surfaces 123 outside the opening of the receiving groove 121, the two mounting end surfaces 123 are respectively located on the side walls 125 at two sides, the connecting plate 61 is provided with a bearing plate 613 at two opposite sides, the bearing plate 613 is provided with a plurality of first positioning holes 614, the bearing plate 613 is located on the mounting end surfaces 123, and the first mounting screws 146 pass through the first positioning holes 614 and are connected with the mounting end surfaces 123.
The mounting end surfaces 123 of the two sides of the base 11 are provided with supporting columns 147, the supporting columns 147 are arranged diagonally, the base 11 is further provided with a plurality of supporting columns 111 outside the accommodating groove 121, the upper circuit board 8 is provided with a plurality of second positioning holes, the upper circuit board 8 is supported on a plurality of different supporting columns 147, and the second mounting screws 148 penetrate through the second positioning holes to be connected with the supporting columns 147.
The high-voltage charging power conversion circuit 802 further includes a primary side switching tube assembly and a secondary side switching tube assembly, both of which include a plurality of switching tubes 84, the plurality of switching tubes 84 are respectively disposed on both sides of the accommodating groove 121, and are respectively adjacent to the outer wall 125 of the accommodating groove 121, and a heat-conducting ceramic pad can be additionally arranged between the power tube 84 and the outer wall 125 to apply a pressing force to the switch tube 84, the method is mainly carried out through a pressing piece 86 and a pressing sheet 85, the pressing sheet 85 is arranged in a spring sheet mode, the pressing end portion of the pressing sheet 85 is abutted against a power tube 84, the pressing sheet 85 is provided with a pressing slope, the pressing member 86 is correspondingly provided with a pressing slope, the pressing member 86 is matched with the pressing sheet 85, the pressing sheet 85 abuts between the pressing member 86 and the switch tube 84, the pressing member 86 applies pressure to the power tube 84 through the pressing sheet 85, and the pressing member 86 is fixedly arranged on two sides of the base 11, which are positioned on the accommodating groove 121.
Referring to fig. 3 in combination with fig. 2 and 12, the capacitor circuit is provided on the capacitor card 9, the plurality of capacitors 91 are provided on the surface side end surface of the capacitor card 9, the capacitor card 9 is located above the accommodation groove 121, and since the transformer 6 is disposed on the bottom side end face of the upper circuit board 8 and the upper circuit board 8 is located outside the accommodation groove 121, the upper circuit board 8 does not have an unnecessary position for component arrangement at the position of the transformer 6, so that the plurality of capacitors 91 are all located on the surface side end face of the capacitor insertion board 9, and the transformer 6 is located on the bottom side end face of the upper circuit board 8, and a plurality of interface welding points are arranged on the capacitor plug board 9, and the interface welding points are positioned at the edge of the capacitor plug board 9, the bottom end face of the capacitor plug board 9 is welded with the surface side end face of the upper circuit board 8, circuit arrangement is formed, and the layout of the device is optimized by respectively locating the capacitor 91 and the transformer 6 on two opposite sides of the upper circuit board 8. The two ends of the capacitor plug board 9 are respectively provided with a positioning portion 92 in an extending manner, a limiting portion is formed between the two connecting screws 873 on the same side, the positioning portion 92 is located between the two connecting screws 873, the positioning portions 92 on the two sides are respectively matched with the limiting portions on the corresponding sides for limiting, and the positioning portions 92 are located in the limiting portions, so that the capacitor plug board 9 can stably perform a reflow soldering process.
Referring to fig. 10 to 12, two inductors 72 are disposed on the bottom end surface of the PFC inductor board 7, the electrical connection tabs 721 of the two inductors 72 extend longitudinally and extend to the PFC inductor board 7 to be welded to the PFC inductor board 7, the inductors 72 are disposed in the receiving grooves 13, a potting adhesive is filled between the inductors 72 and the receiving grooves 13, the PFC inductor board 7 covers the receiving grooves 13 longitudinally, the PFC inductor board 7 is provided with a plurality of first positioning holes 76 through the first positioning holes 76, the first positioning holes 76 are located at the edges, the base 11 is provided with an installation end surface 134 outside the opening of the receiving grooves 13, and the first installation screws pass through the first positioning holes 76 to be connected with the installation end surface. The base 11 is further provided with a plurality of support columns 77 at the periphery of the accommodating groove 13, the upper circuit board 8 is provided with positioning holes at positions corresponding to the support columns 77, the upper circuit board 8 is supported on the support columns 77, and the second mounting screws penetrate through the positioning holes to be connected with the support columns 77.
The PFC main circuit 801 further includes a plurality of switching tubes 81, the plurality of switching tubes 81 are disposed on a bottom end surface of the upper circuit board, the plurality of switching tubes 81 are arranged along a straight line, the accommodating groove 13 has an outer wall 132 on an outer side, the outer wall 132 is located on a side away from the accommodating groove 121, the outer wall 132 laterally extends outside the accommodating groove 13, and the plurality of switching tubes 81 are respectively located on an outer side of the outer wall 132 and abut against the outer wall 132 of the accommodating groove 13. The switch tube 81 is further pressed and held by a pressing piece 83 and a pressing piece 82, the pressing piece 83 is fixedly arranged on the base 11, the pressing piece 82 abuts between the pressing piece 83 and the switch tube 81, the pressing piece 83 is fixed on the mounting block 115, and the structures of the pressing piece 83 and the pressing piece 82 are the same as those of the pressing piece 86 and the pressing piece 85, so that the description is omitted.
The charger further comprises an electric connection assembly, the electric connection assembly comprises a plurality of electric connection sheets 74, a plurality of connection screws 75 and a plurality of electric connection columns 73, an operation hole 871 is formed in the upper circuit board 8 in a penetrating mode, the electric connection sheets 74 are arranged in a sheet shape, fixed ends 741 of the electric connection sheets 74 are welded with the upper circuit board 8, the fixed ends 741 of the electric connection sheets 74 are located on one side of the operation hole 871, then the electric connection sheets 74 are electrically connected with the PFC main circuit 801, free ends 742 of the electric connection sheets 74 are arranged in a transversely bending and extending mode, the free ends of the electric connection sheets 74 are provided with connection holes 743, the operation hole 871 is located above the connection holes 743 in the longitudinal direction, and the. An electrical connection post 73 is provided on the surface side end face of the PFC inductor board 7, the electrical connection post 73 is electrically connected to the inductor 72, an electrical connection hole is provided on the end of the electrical connection post 73, and the plurality of electrical connection posts 73 are arranged in a straight line.
The upper circuit board 8 is covered on the PFC inductance board 7 in the longitudinal direction, the free end 742 of the electric connecting sheet 74 is abutted to the end part of the electric connecting column 73, the connecting screw 75 is positioned in the operation hole 871 and connected with the electric connecting hole through the connecting hole 743, and the electric connecting assembly is positioned between the PFC inductance board 7 and the upper circuit board 8, so that the connection of the PFC main circuit and the inductor is realized.
Referring to fig. 13 to 15, the circuit position is described below with reference to a system block diagram and a structural layout diagram of a charger, a DCDC power conversion circuit 20 is disposed on the lower circuit board 2, the DCDC power conversion circuit 20 is provided with a low-voltage direct current port 101, the low-voltage direct current port 101 is located at an edge position, an alternating current port 102 is disposed on the inductance mounting board 5, and the inductance mounting board 5 is located at a transverse lower portion of the DCDC power conversion circuit 20.
The middle circuit board 4 is located on the longitudinal upper portions of the lower circuit board 2 and the inductance mounting board 5, a soft start circuit 402, an auxiliary power circuit 404, an alternating current port filter circuit 401 and a high-voltage direct current port filter circuit 403 are arranged on the middle circuit board 4, the auxiliary power circuit 404 is located on the transverse lower portion of the high-voltage direct current port filter circuit 403, the soft start circuit 402 and the alternating current port filter circuit 401 are located on the transverse lower portion of the auxiliary power circuit 404, the alternating current port filter circuit 401 is located on the longitudinal upper portion of the inductance mounting board 5, the high-voltage direct current port filter circuit 403 is located on the longitudinal upper portion of the DCDC power conversion circuit 20, the high-voltage direct current port filter circuit 403 is provided with a high-voltage direct current port 103.
The upper circuit board 8 is located on the upper longitudinal portion of the middle circuit board 4, the upper circuit board 8 is provided with a main PFC circuit 801, a PFC control circuit 803, a high-voltage charging power conversion circuit 802 and a high-voltage charging conversion control circuit 804, the PFC control circuit 803 is located on the upper longitudinal portion of the ac port filter circuit 401, and the high-voltage charging conversion control circuit is located on the upper longitudinal portion of the high-voltage dc port 103 filter circuit 403.
The PFC main circuit 801 includes an inductor 72, a PFC power conversion switching tube assembly 8011 and a PFC bus electrolytic capacitor assembly 8012, the PFC power conversion switching tube assembly 8011 includes a plurality of switching tubes 81 arranged along a straight line, the PFC bus electrolytic capacitor assembly 8012 includes a plurality of PFC bus electrolytic capacitors 88, and the plurality of PFC bus electrolytic capacitors 88 are arranged along a straight line and are placed and positioned in the placement groove 114.
The PFC power conversion switching tube component 8011 is located at the transverse right part of the PFC control circuit 803, the high-voltage charging power conversion circuit 802 is located at the transverse upper part of the PFC power conversion switching tube component 8011, the PFC bus electrolytic capacitor component 8012 is located at the transverse right parts of the high-voltage charging power conversion circuit 802 and the PFC power conversion switching tube component 8011, the high-voltage charging conversion control circuit 804 is located at the transverse left part of the high-voltage charging power conversion circuit 802, the high-voltage charging power conversion circuit 802 comprises a primary side switching tube component 8021, a secondary side switching tube component 8022 and a transformer 6, the primary side switching tube component 8021 and the secondary side switching tube component 8022 comprise a plurality of switching tubes 84, the primary side switching tube component 8021 is located at the transverse left side of the PFC bus electrolytic capacitor component 8021, the transformer 6 is located at the transverse left side of the primary side switching tube component 8021, the secondary side, the high-voltage charging conversion control circuit 804 is located on the transverse left side of the secondary side switch tube assembly.
Referring to fig. 14 in combination with fig. 2, the connecting member 21 is connected between the upper circuit board 8 and the lower circuit board 2, the connecting member 21 includes two conductive plates extending along the longitudinal direction, the connecting member 21 is located between the middle circuit board 4 and the high-voltage charging power conversion circuit 802, first ends of the conductive plates are welded to the DCDC power conversion circuit 20, second ends of the conductive plates are arranged in a bent manner, second ends of the conductive plates are provided with first connection holes, the upper circuit board 8 is provided with second connection holes connected to the high-voltage charging power conversion circuit 802, and the connection screws 23 pass through the second connection holes and are connected to the first connection holes. The second ends of the two conducting strips are bent towards different directions, and the insulating sleeve 22 is sleeved outside the middle parts of the two conducting strips and fixed by the second ends in different directions, so that the connection stability of the connecting piece 21 is improved.
The alternating current port 102 is connected with an EMC filter circuit of the alternating current port filter circuit 401, the alternating current port filter circuit 401 and the soft start circuit 402 are connected and matched for use, the EMC filter circuit is connected with a PFC main circuit 801, the PFC main circuit 801 is connected with a high-voltage charging power conversion circuit 802, the high-voltage charging power conversion circuit 802 is connected with a high-voltage direct current port filter circuit 403, the high-voltage charging power conversion circuit 802 is connected with a DCDC power conversion circuit 20 through a connecting piece 21, the PFC control circuit 803 is connected with the PFC main circuit 801 and controls correspondingly, and the high-voltage charging conversion control circuit is connected with the high-voltage charging power conversion circuit 802 and controls correspondingly.
After the power flow direction sequentially passes through the ac port filter circuit 401, the PFC power conversion switching tube assembly, the PFC bus electrolytic capacitor, and the high-voltage charging power conversion circuit 802, the power flow may be output from the high-voltage dc port 103 filter circuit 403 or output from the DCDC power conversion circuit 20.
From top to bottom, through lower circuit board, the inductance mounting panel, well circuit board, go up the circuit board stromatolite and arrange, can improve space utilization greatly, improve equipment's integrated level, and will have DCDC power conversion circuit and set up the lower circuit board that is located the below, because the top of lower circuit board is high voltage circuit, and DCDC power conversion circuit belongs to low voltage circuit, so through setting up the shield plate between circuit board and well circuit board under being located, utilize the isolated effect of shield plate, improve equipment operation's stability, and connected mode then adopts the connecting piece to pass well circuit board ground and connect between last circuit board and lower circuit board, optimize the overall arrangement of circuit, set up through flat stromatolite circuit board and realize highly integrated on-vehicle OBC machine that charges. Through the setting of vertical plate portion between being located the inductance and lower circuit board, utilize vertical plate to keep apart the interference that comes from the inductance to set up the insulating part at horizontal plate portion, thereby further improve equipment's operating stability, and utilize to be provided with the support column on the fixed shield plate that sets up again, further to going up circuit board and well circuit board again through the support column, thereby optimize mounting structure and device overall arrangement. Through with the conducting strip setting in being located between circuit board and the high voltage power conversion circuit that charges, and the conducting strip is connected between last circuit board and the lower circuit board, and passes from the outside of centre circuit board, utilizes the conducting strip of optimizing the overall arrangement conveniently to carry out the adjustment of electric current flow direction, and insulating cover can improve equipment's operating stability.
And, through be provided with transformer and capacitor circuit on the relative both sides of circuit board, the transformer sets up in the holding tank and is filled with the casting glue, and the surface side terminal surface for the transformer at the circuit board is unfavorable for arranging a plurality of condensers, so through setting up a plurality of condensers on the surface side terminal surface of an individual electric capacity picture peg to arrange relevant circuit on the electric capacity picture peg, rethread electric capacity picture peg and circuit board welding, realize then optimizing the device optimal arrangement of transformer and condenser, improve device space utilization. The connecting screw penetrates through the electric connecting hole and the coil connecting hole to be connected with the first mounting hole, so that the transformer can be conveniently mounted, connected and fixed. The capacitor plugboard is limited and fixed through the connecting screw, and the welding precision and stability are improved in the reflow soldering process. The mounting end face through the holding tank is fixed to the connecting plate installation, and not only can set up the support column on the base, can also set up the support column on the mounting end face, installs fixedly through the support column of difference to the circuit board to improve equipment's assembly stability. The holding tank not only can carry out heat conduction heat dissipation to the transformer through the casting glue, and can also utilize the outer wall of holding tank to carry out heat conduction heat dissipation to the switch tube to utilize the pressure to hold piece and preforming and keep the pressure to hold the power to the switch tube, thereby optimize the heat radiation structure of machine of charging and arrange, improve heat conduction efficiency.
And the inductor is arranged on the bottom side end face of the PFC inductance board and in the accommodating groove, the PFC inductance board is covered outside the accommodating groove, the circuit board is covered above the longitudinal direction of the PFC inductance board, and the electric connection component is electrically connected between the PFC inductance board and the circuit board, so that the optimized arrangement of the optimized device is realized through the layout of the longitudinal and three-dimensional laminated circuit board, and the space utilization rate of the device is improved. Through the setting of electricity connection piece and electricity connection post to can improve the convenience of assembly and the redundancy of assembly, still utilize the handle hole that runs through the setting in addition, can conveniently operate the installation at the handle hole to the connecting screw.
In addition, through the arrangement of the laminated circuit boards and the orderly arrangement of the circuit modules, after the power flow direction sequentially passes through the alternating current port filter circuit, the PFC power conversion switch tube assembly, the PFC bus electrolytic capacitor and the high-voltage charging power conversion circuit, the power flow can be output from the high-voltage direct current port filter circuit or output from the DCDC power conversion circuit, namely, the power flow is transmitted from the left lower part to the transverse right part and the transverse upper part to the transverse left part, enters from the inductance mounting plate positioned at the longitudinal lower part, then the circuit boards are transmitted upwards layer by layer and then downwards, and finally the power flow can be output from the middle circuit board or output from the lower circuit board.
Claims (10)
1. The utility model provides a machine that charges of stromatolite circuit board overall arrangement which characterized in that includes:
a base;
the lower circuit board, be provided with DCDC power conversion circuit on the lower circuit board, lower circuit board sets up on the base:
the inductor mounting plate is arranged on the base, an inductor is arranged on the inductor mounting plate, the inductor mounting plate is positioned on the transverse side portion of the lower circuit board, the inductor mounting plate is positioned on the longitudinal upper portion of the inductor, the base is positioned on the longitudinal lower portion of the inductor, and the inductor is abutted to the base;
the middle circuit board is arranged on the base and is positioned at the longitudinal upper parts of the lower circuit board and the inductor mounting plate, an alternating current port filter circuit, an auxiliary power supply circuit and a high-voltage direct current port filter circuit are arranged on the middle circuit board, the alternating current port filter circuit is connected with the inductor, and the high-voltage direct current port filter circuit and the auxiliary power supply circuit are positioned at the longitudinal upper part of the lower circuit board;
the upper circuit board is arranged on the base and is positioned at the longitudinal upper part of the middle circuit board, the upper circuit board is provided with a PFC main circuit, a PFC control circuit, a high-voltage charging power conversion circuit and a high-voltage charging conversion control circuit, the PFC control circuit is positioned at the longitudinal upper part of the alternating current port filter circuit, the high-voltage charging conversion control circuit is positioned at the longitudinal upper parts of the high-voltage direct current port filter circuit and the auxiliary power circuit, and the PFC main circuit and the high-voltage charging power conversion circuit are both positioned at the transverse side parts of the PFC control circuit and the high-voltage charging conversion control circuit;
the shielding plate is fixedly connected with the base and is positioned between the lower circuit board and the middle circuit board;
a connector connected between the upper circuit board and the lower circuit board;
the alternating current port filter circuit is connected with the PFC main circuit, the PFC main circuit is connected with the high-voltage charging power conversion circuit, the high-voltage charging power conversion circuit is connected with the high-voltage direct current port filter circuit, the high-voltage charging power conversion circuit is connected with the DCDC power conversion circuit through the connecting piece, the PFC control circuit is connected with the PFC main circuit, and the high-voltage charging conversion control circuit is connected with the high-voltage charging power conversion circuit.
2. The charger according to claim 1, characterized in that:
the shielding plate comprises a transverse plate part and a longitudinal plate part, the transverse plate part is located between the lower circuit board and the middle circuit board, and the longitudinal plate part is located between the inductor and the lower circuit board.
3. The charger according to claim 2, characterized in that:
the shield plate is still including setting up a plurality of installation departments in the periphery, the installation department with the base is connected.
4. The charger according to claim 3, characterized in that:
the charger further comprises a spacing ring and a first connecting screw, the spacing ring is abutted between the upper circuit board and the middle circuit board, and the first connecting screw sequentially penetrates through the upper circuit board, the spacing ring and the middle circuit board to be connected with the fixing hole.
5. The charger according to claim 2, characterized in that:
the charger further comprises an insulating part, and the insulating part is laid on the transverse plate part.
6. The charger according to any one of claims 1 to 5, characterized in that:
the high-voltage charging power conversion circuit is positioned on the transverse side part of the lower circuit board, and the connecting piece is positioned between the middle circuit board and the high-voltage charging power conversion circuit.
7. The charger according to claim 6, characterized in that:
the connecting piece comprises a conducting strip, the first end of the conducting strip is welded with the DCDC power conversion circuit, the second end of the conducting strip is arranged in a bent mode, the second end of the conducting strip is provided with a connecting hole, and a second connecting screw penetrates through the upper circuit board to be connected with the connecting hole.
8. The charger according to claim 7, characterized in that:
and the middle part of the conducting strip is provided with an insulating sleeve.
9. The charger according to claim 8, characterized in that:
the connecting piece comprises two conducting strips, the second ends of the two conducting strips are bent towards different directions, and the insulating sleeve is sleeved on the outer sides of the middle parts of the two conducting strips.
10. Electric vehicle, characterized in that it comprises a charger according to any one of the preceding claims 1 to 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921089649 | 2019-07-11 | ||
| CN201921089649X | 2019-07-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210652719U true CN210652719U (en) | 2020-06-02 |
Family
ID=70821099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921134705.7U Withdrawn - After Issue CN210652719U (en) | 2019-07-11 | 2019-07-18 | Charger with laminated circuit board layout and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210652719U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341519A (en) * | 2019-07-11 | 2019-10-18 | 珠海英搏尔电气股份有限公司 | A kind of charger and electric vehicle of laminated circuit board layout |
| CN110341519B (en) * | 2019-07-11 | 2024-07-02 | 珠海英搏尔电气股份有限公司 | Charger and electric vehicle with laminated circuit board layout |
-
2019
- 2019-07-18 CN CN201921134705.7U patent/CN210652719U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110341519A (en) * | 2019-07-11 | 2019-10-18 | 珠海英搏尔电气股份有限公司 | A kind of charger and electric vehicle of laminated circuit board layout |
| CN110341519B (en) * | 2019-07-11 | 2024-07-02 | 珠海英搏尔电气股份有限公司 | Charger and electric vehicle with laminated circuit board layout |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200602 Effective date of abandoning: 20240702 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200602 Effective date of abandoning: 20240702 |