WO2013051390A1 - 充電装置 - Google Patents

充電装置 Download PDF

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Publication number
WO2013051390A1
WO2013051390A1 PCT/JP2012/073923 JP2012073923W WO2013051390A1 WO 2013051390 A1 WO2013051390 A1 WO 2013051390A1 JP 2012073923 W JP2012073923 W JP 2012073923W WO 2013051390 A1 WO2013051390 A1 WO 2013051390A1
Authority
WO
WIPO (PCT)
Prior art keywords
core frame
outer housing
charging device
power
power conversion
Prior art date
Application number
PCT/JP2012/073923
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
光治 濱田
立春 太麻
英幸 柳瀬
善昭 矢野
Original Assignee
日産自動車株式会社
近江産業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日産自動車株式会社, 近江産業株式会社 filed Critical 日産自動車株式会社
Publication of WO2013051390A1 publication Critical patent/WO2013051390A1/ja

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/46—Accumulators structurally combined with charging apparatus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present invention relates to a charging device that is preferably applied when charging a battery mounted on an electric vehicle or a hybrid vehicle.
  • a charging device includes an electric circuit including a power supply system that supplies power to a power supply battery inside the display window of the housing and / or behind the operation panel (paragraph of Patent Document 1). 0017 and FIGS.
  • the conventional charging device has a problem that the maintenance workability of the equipment inside the casing including the electric circuit is poor.
  • the problem to be solved by the present invention is to provide a charging device excellent in maintenance workability.
  • the present invention includes a casing of a charging device including a core frame in which a bottom portion is fixed to an installation location and a power conversion device is mounted, and an outer housing that is mounted so as to sandwich the core frame from both sides.
  • the power conversion device can be maintained and inspected by removing the outer housing from either one of the both sides of the core frame, so that a charging device excellent in maintenance workability can be provided.
  • FIG. 6 is an exploded perspective view of the outer housing of FIG. 5 viewed from the back side. It is a perspective view which expands and shows the VIII part of FIG.
  • FIG. 5 It is a perspective view which expands and shows the IX part of FIG. It is a perspective view which shows the state which attached the heat sink to the core frame of FIG. It is a perspective view which shows the state which mounted the power converter device in the core frame of FIG. 5 from the front side. It is a perspective view which shows the state which mounted the power converter device in the core frame of FIG. 5 from the back side. It is sectional drawing which follows the XII-XII line
  • the charging system 1 of this example is applied when charging a secondary battery 6 mounted on an electric vehicle or a hybrid vehicle, and converts power of three-phase AC power supplied from a three-phase AC power source 2.
  • This is a system in which the circuit 3 directly converts it to single-phase AC power, boosts or lowers it to an appropriate voltage by the transformer 4, converts it to DC power by the rectifier 5, and charges the secondary battery 6.
  • 7 is a smoothing circuit
  • 11 is a power supply breaker for turning on and off the three-phase AC power supply 2
  • 12 is a charging gun.
  • harmonics are attenuated as noise countermeasures in each phase of the output lines (indicated by R phase, S phase, and T phase) supplied with three-phase AC power from the three-phase AC power source 2.
  • a filter circuit 8 is provided.
  • the filter circuit 8 of this example includes three filter reactors 81 connected to the phases R, S, and T, and six filter capacitors 82L and 82R connected between the phases R, S, and T.
  • the filter capacitors 82L and 82R are composed of, for example, six filter capacitors.
  • the power conversion circuit 3 of this example includes six bidirectional switching elements 31 (311 to 316) arranged in a matrix corresponding to the R phase, S phase, and T phase, and is also referred to as a matrix converter.
  • a single bidirectional switching element will be collectively described using reference numeral 31, while a specific element of the six bidirectional switching elements as shown in FIG. 1 will be described using 311 to 316. explain.
  • Each of the bidirectional switching elements 31 of this example is composed of an IGBT module in which an IGBT, which is a semiconductor switching element, is combined with a free-wheeling diode and connected in reverse parallel. Note that the configuration of one bidirectional switching element 31 is not limited to that shown in the figure, but may be a configuration in which, for example, two reverse blocking IGBT elements are connected in antiparallel.
  • Each of the bidirectional switching elements 31 includes an input side and an output of the bidirectional switching element 31 in order to protect the bidirectional switching element 31 from a surge voltage generated by the ON / OFF operation of the bidirectional switching element 31.
  • a snubber circuit 32 (321 to 326) in which one snubber capacitor 327 (refer to the circuit diagram at the lower right in the figure) and three diodes are combined is provided on the side.
  • reference numeral 32 is used to collectively refer to one snubber circuit
  • reference numerals 321 to 326 are used to indicate a specific snubber circuit among the six snubber circuits as shown in FIG.
  • the charging system 1 of this example includes a matrix converter control circuit 9 for ON / OFF control of each of the bidirectional switching elements 31 of the power conversion circuit 3.
  • the matrix converter control circuit 9 inputs the voltage value supplied from the three-phase AC power source 2, the DC current value currently being output, and the target current command value, and based on these, the respective gate signals of the bidirectional switching element 31 are supplied. By controlling and adjusting the single-phase AC power output to the transformer 4, DC power that matches the target is obtained.
  • the transformer 4 increases or decreases the voltage of the single-phase AC power converted by the power conversion circuit 3 to a predetermined value.
  • the rectifier 5 includes, for example, four rectifier diodes 51 to 54, and converts the regulated single-phase AC power into DC power.
  • the smoothing circuit 7 includes a coil 71 and a capacitor 72, and smoothes the pulsating flow included in the rectified direct current to a state closer to direct current.
  • the charging gun 12 is connected to the charging inlet (not shown) of the automobile to be charged with the DC power smoothed by the smoothing circuit 7, and supplies power from here.
  • the charging system 1 of this example configured as described above converts the three-phase AC power supplied from the three-phase AC power source 2 through the power breaker 11 and the filter reactor 81. 3, the matrix converter control circuit 9 controls the power conversion circuit 3 to directly convert it into single-phase AC power, and after adjusting the voltage to an appropriate voltage by the transformer 4, it is converted to DC power by the rectifier 5. The Then, the DC power smoothed by the smoothing circuit 7 is supplied to the secondary battery 6 through the charging gun 12, whereby the secondary battery 6 is charged.
  • the charging system 1 described above is an example, and the charging device 1A according to the present invention is not limited to the charging system 1 having the configuration shown in the drawing.
  • the charging device 1A of this example has the power supply breaker 11, the filter reactor 81, the power conversion circuit 3, the matrix converter control circuit 9, the transformer 4, the rectifier 5 and the smoothing circuit 7 shown in FIG.
  • a cable 12 a having a charging gun 12 attached to the tip is pulled out from the housing 13.
  • Devices mounted in the housing 13 are also referred to as power conversion devices.
  • the casing 13 is attached to the core frame 14 so that the bottom portion 141 is fixed to the installation location of the charging device 1A and the above-described power conversion device is mounted, and the core frame 14 is sandwiched from both sides.
  • the both surfaces of the core frame 14 refer to the front and back in the illustrated example.
  • the surface accessed by the user when the charging device 1A is installed is the front, and the opposite side (back) is the back.
  • Mounting the outer housing 15 so as to sandwich the frame 14 is an essential matter of the present invention, and is not limited to the front surface and the back surface, and may be the left and right side surfaces.
  • the core frame 14 includes a base plate 141 that constitutes a bottom portion that is fixed to a place where the charging device 1A is installed by a fixing means such as an anchor bolt, and a core frame main body 142 that is bent in a C shape in a horizontal section. As shown, the core frame main body 142 is fixed to the base plate 141.
  • FIG. 6 shows the state of the horizontal cross section of the core frame main body 142
  • FIG. 8 shows the base plate 141
  • FIG. 9 shows the top of the core frame main body 142.
  • the base plate 141 includes a base plate main body 141a that is fixed to an installation location by an anchor bolt or the like, and a bracket 141b that is fixed to the base plate main body 141a by welding or the like, and the core frame main body 142 is attached to the bracket 141b. Is fixed with bolts. As a result, the core frame main body 142 stands upright at the installation location and is firmly fixed. In addition, as shown in FIG. 9, the pipe 143 penetrates and is provided in the top part of the core frame main body 142, and the lifting instrument 144 is provided in both ends. As will be described later, since power conversion devices are attached to the core frame 14 and become heavy, when the charging device 1A is transported to the installation location and installed, the crane device is hooked on the lifting device 144 and installed. You can work.
  • the outer housing 15 includes a first outer housing 15 a attached to the core frame 14 from the front side, and a second outer housing 15 b attached to the core frame 14 from the back side.
  • the first outer housing 15a of this example includes a side plate bent so as to have a C-shape including a gentle curve in a horizontal section, and a top plate, and the side plate and the top plate are welded. It is fixed with etc.
  • the front side plate has an operation panel 151 for the user to access when performing a charging operation, such as inputting an operation command or displaying a control state.
  • a gun pocket 152 for storing the charging gun 12 in use is provided.
  • the second outer housing 15b of this example is formed in a flat plate as shown in FIG. 5, and a through hole 153 in which a fan 16 described later is mounted, and a heat sink mounted in the power conversion circuit 3 and the rectifier 5 are out of the casing.
  • a through hole 154 is provided for exposure. Then, as shown in FIG. 6, the first outer housing 15a and the second outer housing 15b are attached to the core frame 14 by fixing their joint portions using bolts, screws or the like.
  • the first outer housing 15a is formed in a C-shaped cross section and the second outer housing 15b is formed in a flat plate.
  • the outer housing 15 according to the present invention is not limited to such a shape, and both 15a 15b may be formed in a C-shaped cross section.
  • the first outer housing 15a is slidably attached to the core frame main body 142 by a rail mechanism. That is, as shown in FIG. 5, the L-shaped angle 145 is fixed to the both side surfaces of the core frame main body 142 at three positions apart in the vertical direction, while the inner side surface of the first outer housing 15a is also fixed in the vertical direction. The L-shaped angle 155 is fixed at three locations apart. Then, the L-shaped angle 145 on the core frame side and the L-shaped angle 155 on the first outer housing side are engaged as shown in FIG. Accordingly, the first outer housing 15a can slide in the front-rear direction with respect to the core frame main body 142, and workability when the first outer housing 15a is mounted or removed is improved.
  • the pipe 143 to which the lifting device 144 described above is attached is provided through the first outer housing 15a and the core frame main body 142, the outer housing 15 and the core frame main body 142 are thereby moved in the vertical direction and the front-rear direction. Fixed.
  • the first outer housing 15a or the second outer housing 15b can be easily removed from the core frame main body 142 by removing the pipe 143 and removing a bolt or the like for fixing the first outer housing 15a and the second outer housing 15b. Can do.
  • FIG. 3 shows the mounting structure of the power conversion device on the core frame main body 142 in a vertical cross section
  • FIG. 6 shows the mounting structure of the power conversion device on the core frame main body 142 in a horizontal cross section
  • FIGS. 11A and 11B all show the mounting structure. Indicates the mounting status of the equipment.
  • two spaces A and B partitioned by the core frame main body 142 exist inside the housing 13. That is, there are two spaces, a space A surrounded by a C-shaped cross section of the core frame main body 142 and a space B on the back surface thereof.
  • a power conversion device is mounted on the core frame main body 142
  • a device that generates heat is mounted in a space A surrounded by a C-shaped cross section. That is, since the devices that generate heat among the power conversion devices shown in FIG. 2 are the power conversion circuit 3, the rectifier 5, and the transformer 4, these are mounted on the space A side.
  • the fan 16 is provided in the through hole 153 provided in the second outer housing 15b shown in FIG. 5, and the cooling air is sucked and introduced into the space A as shown in FIG.
  • the remaining devices in FIG. 2 can be mounted in the remaining spaces A and B, but in this example, the power flow shown in FIG. 2 is as much as possible when mounting the power conversion device in the core frame main body 142.
  • the layout is as shown in FIG. 3 and FIGS. 11A and 11B. That is, as shown in FIG. 3, the three-phase AC power source 2 such as a commercial power source is drawn from the base plate 141 of the core frame 14 and connected to the power source breaker 11 mounted on the top of the space A. Then, the wiring from the power supply breaker 11 is inserted through the through hole 146 (see FIG. 5) opened in the core frame main body 142 and connected to the filter reactor 81 mounted on the uppermost portion of the space B.
  • the three-phase AC power source 2 such as a commercial power source is drawn from the base plate 141 of the core frame 14 and connected to the power source breaker 11 mounted on the top of the space A. Then, the wiring from the power supply breaker 11 is inserted through the through hole 146 (see FIG. 5) opened in the core frame main body 142 and connected to the filter reactor 81 mounted on the uppermost portion of the space B.
  • the wiring from the filter reactor 81 is connected to the power conversion circuit 3 mounted in the next stage of the space A through the through hole 146 similarly opened in the core frame main body 142.
  • the matrix converter control circuit 9 is mounted in the space B on the back surface of the power conversion circuit 3, and the control wiring from the matrix converter control circuit 9 is inserted through the through-hole 146 opened in the core frame main body 142. Connect to.
  • FIG. 11A shows the state of mounting on the core frame main body 142 from the front side
  • FIG. 11B shows the same from the back side.
  • FIG. 10 shows a state in which the heat sink 10 attached to the power conversion circuit 3 and the rectifier 5 is attached to the flange of the core frame main body 142.
  • the power conversion circuit 3 and the rectifier 5 are mounted on the back side of the heat sink 10.
  • the casing 13 of the charging device 1A is sandwiched between the core frame main body 142 on which the base plate 141 on the bottom is fixed and the power conversion device is mounted, and the core frame main body 142 from both sides. Since the outer housings 15a and 15b are detachably attached to the first and second outer housings 15a and 15b, the first outer housing 15a is removed from the core frame main body 142, so that as shown in FIG. The converter control circuit 9 or the smoothing circuit 7 can be serviced.
  • the charging device 1A of this example is excellent in maintenance workability, and at the same time, the degree of freedom in design of the outer housing 15 is improved, and the charging device 1A itself can be made compact.
  • the first outer housing 15a and the core frame main body 142 are configured to be slidable by engaging the L-shaped angles 145 and 155, the first outer housing 15a is attached to and detached from the core frame main body 142. Workability including positioning at the time is greatly improved.
  • the core frame main body 142 is formed so that the horizontal cross section is C-shaped, and power conversion devices are mounted on both sides thereof, so that the integration rate is improved and the wiring length connecting the devices is shortened. can do.
  • the core frame main body 142 is formed so that the horizontal section is C-shaped, and the power conversion circuit 3, the transformer 4 and the rectifier 5 with heat generation are placed in the space A surrounded by the C-shaped section.
  • the cooling air is introduced into the space A by the fan 16. Since the space A is surrounded by a C-shaped cross section, it is excellent in air permeability even if it is as it is, and it is possible to suppress the accumulation of hot air, but in this example, since the fan 16 is further provided, the space A as shown in FIG.
  • the air introduced from the uppermost part of the gas flows downward toward the lower portion of the space A surrounded by the C-shaped cross section of the core frame main body 142 without diffusing.
  • fever can be cooled.
  • the heat conversion circuit 3 and the rectifier 5 that particularly generate heat are provided with a heat sink 10, and the heat sink 10 is exposed to the outside through the through hole 154 of the second outer housing 15b, so that the cooling performance can be further improved. .
  • the power supply breaker 11, the power conversion circuit 3, the rectifier 5 and the transformer 4 are arranged in this order, so that the wiring lengths between the power conversion devices are as uniform as possible.
  • the electric power flows in the theoretical circuit of the charging device 1A shown in FIG. 3 and the actual circuit shown in FIG. As a result, power conversion efficiency can be increased.
  • the power breaker, the filter reactor 81, the power conversion circuit 3, the matrix converter control circuit 9, the transformer 4, the rectifier 5 and the smoothing circuit 7 correspond to the power conversion device according to the present invention, and the L-shaped angles 145 and 155 are the present invention.
  • the transformer 4 corresponds to a voltage conversion circuit according to the present invention
  • the rectifier 5 corresponds to a rectifier circuit according to the present invention.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
PCT/JP2012/073923 2011-10-07 2012-09-19 充電装置 WO2013051390A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011223280A JP5462229B2 (ja) 2011-10-07 2011-10-07 充電装置
JP2011-223280 2011-10-07

Publications (1)

Publication Number Publication Date
WO2013051390A1 true WO2013051390A1 (ja) 2013-04-11

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PCT/JP2012/073923 WO2013051390A1 (ja) 2011-10-07 2012-09-19 充電装置

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JP (1) JP5462229B2 (enrdf_load_stackoverflow)
WO (1) WO2013051390A1 (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI692422B (zh) * 2016-06-21 2020-05-01 飛宏科技股份有限公司 具淹水監測之升降式充電裝置
JP6821618B2 (ja) * 2018-02-27 2021-01-27 株式会社ダイヘン 車両用充電装置、接続方法、充電器及び駐車場
WO2022059074A1 (ja) * 2020-09-15 2022-03-24 三菱電機株式会社 充電装置
JP2022106641A (ja) * 2021-01-07 2022-07-20 新電元工業株式会社 電気車両用充電装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS635669U (enrdf_load_stackoverflow) * 1986-06-26 1988-01-14
JPH11266509A (ja) * 1998-03-16 1999-09-28 Park 24 Co Ltd 電気車両用充電装置
JP2001178001A (ja) * 1999-12-16 2001-06-29 Toyota Autom Loom Works Ltd 車両用充電装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5453041B2 (ja) * 2009-10-13 2014-03-26 パナソニック株式会社 電気自動車用充電スタンド

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS635669U (enrdf_load_stackoverflow) * 1986-06-26 1988-01-14
JPH11266509A (ja) * 1998-03-16 1999-09-28 Park 24 Co Ltd 電気車両用充電装置
JP2001178001A (ja) * 1999-12-16 2001-06-29 Toyota Autom Loom Works Ltd 車両用充電装置

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JP2013085367A (ja) 2013-05-09
JP5462229B2 (ja) 2014-04-02

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