CN206712527U - Charging converting means and include its electric automobile - Google Patents

Charging converting means and include its electric automobile Download PDF

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Publication number
CN206712527U
CN206712527U CN201621411351.2U CN201621411351U CN206712527U CN 206712527 U CN206712527 U CN 206712527U CN 201621411351 U CN201621411351 U CN 201621411351U CN 206712527 U CN206712527 U CN 206712527U
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China
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circuit
rectification circuit
switch
primary side
vehicle
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CN201621411351.2U
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Inventor
何亮
邓小嘉
方杰
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NIO Co Ltd
NIO Nextev Ltd
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NIO Co Ltd
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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
    • Y02T10/72—Electric energy management in electromobility

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  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

It the utility model is related to automotive electronics power technology, more particularly to a kind of charging electric vehicle converting means and the electric automobile for including the charging converting means.According to one side of the present utility model, the board units of wireless charging converter and the secondary side of vehicle-mounted charge converter share secondary side rectification circuit, filter circuit and output EMC circuits, and the secondary of the isolating transformer of the secondary and vehicle-mounted charge converter of the input side of secondary side rectification circuit respectively through two independent switches and the isolating transformer of wireless charging converter is connected.

Description

Charging converting means and include its electric automobile
Technical field
The utility model is related to automotive electronics power technology, more particularly to a kind of charging electric vehicle converting means and comprising The electric automobile of the charging converting means.
Background technology
The recharging converter of electric automobile is used in electric automobile power battery low battery, and electrokinetic cell is carried out Charging, so as to provide power for driving electric automobile.Charging electric vehicle converter charges including conduction-type（It is vehicle-mounted/off-board Charging）Charged with non-conductive formula（Wireless charging）Converter.
Non-conductive formula wireless charging converter is divided into board units and surface units, passes through the collaboration work of the two units Make, the energy from AC network is converted into direct current with to power battery charging.Fig. 1 is the wireless charging according to prior art The circuit theory diagrams of electric transducer.Wireless charging converter shown in Fig. 1 100 includes surface units 110 and board units 120.Ground Face unit 110 includes input Electro Magnetic Compatibility（EMC）Circuit 111, the power factor (PF) being connected with input Electro Magnetic Compatibility circuit 111 Correcting circuit 112, the DC-to-dc being connected with power factor correction circuit 112（DC-DC）Primary circuit 113 and first every From transformer T1, its primary side is connected with the outlet side of DC-to-dc primary circuit 113.Board units 120 are filtered including secondary rectification Wave circuit 121 and the output Electro Magnetic Compatibility circuit 122 being connected with secondary current rectifying and wave filtering circuit 121, wherein, secondary rectifying and wave-filtering The input side of circuit 121 is connected with the first isolating transformer T1 secondary.
In charging, the electric energy of AC network is through inputting Electro Magnetic Compatibility（EMC）Circuit 111 and power factor correction circuit Input direct-current-direct current primary circuit 113 after 112, the primary side in the first isolating transformer T1 after DC-dc conversion produce High-frequency DC.Secondary current rectifying and wave filtering circuit 121 carries out whole to the high-frequency DC of the secondary from the first isolating transformer T1 Stream filtering, and exported through exporting Electro Magnetic Compatibility circuit 122 to battery.
Conduction-type vehicle-mounted charge converter is arranged on electric automobile, and the energy conversion from AC network is straight by it Stream electricity is with to power battery charging.Fig. 2 is the circuit theory diagrams according to the vehicle-mounted charge converter of prior art.Car shown in Fig. 2 Carrying recharging converter 200 includes input Electro Magnetic Compatibility（EMC）Circuit 211, the work(being connected with input Electro Magnetic Compatibility circuit 211 Rate factor correction circuit 212, the DC-to-dc being connected with power factor correction circuit 212（DC-DC）Primary side rectification circuit 213, Isolating transformer T2, secondary side rectification circuit 214 and the output Electro Magnetic Compatibility circuit 215 being connected with secondary side rectification circuit 214, its In, isolating transformer T2 primary side is connected with the outlet side of DC-to-dc primary side rectification circuit 213, secondary and secondary rectified current The input side on road 214 is connected.
In charging, the electric energy of AC network is through inputting Electro Magnetic Compatibility（EMC）Circuit 211 and power factor correction circuit Input direct-current-direct current primary side rectification circuit 213 after 212, the primary side in isolating transformer T2 after DC-dc conversion produce High-frequency DC.Secondary side rectification circuit 214 carries out rectification to the high-frequency DC of the secondary from isolating transformer T2, and through defeated Go out Electro Magnetic Compatibility circuit 215 to export to high voltage power battery.
Manufacturing cost height, volume all be present in above-mentioned conduction-type vehicle-mounted charge converter and non-conductive formula wireless charging converter The shortcomings of huge and heavier-weight.This is all unfavorable for the cost and energy consumption of reduction electric automobile, therefore there is an urgent need to can Solves the charging electric vehicle converting means of above-mentioned technical problem.
Utility model content
The purpose of this utility model is to provide a kind of charging electric vehicle converting means, and it has compact-sized, in light weight The advantages that with occupying little space.
Include according to the charging electric vehicle converting means of the utility model one embodiment：
First switch；
Second switch；
Isolating transformer；
The vehicle-mounted charge converter primary side unit being connected with the primary side of the isolating transformer；
Secondary side rectification circuit；And
The output Electro Magnetic Compatibility circuit being connected with the secondary side rectification circuit,
Wherein, the input side of the secondary side rectification circuit is respectively through the first switch and the second switch and wireless charging The surface units of electric transducer are connected with the secondary of the isolating transformer of vehicle-mounted charge converter,
Wherein, when the first switch closes and the second switch disconnects, wireless charging converter surface units are defeated The direct current gone out is transformed to high voltage direct current by the rectification circuit, and and when the first switch disconnect and described second During switch closure, the direct current of the vehicle-mounted charge converter primary side unit output is transformed to HVDC by the rectification circuit Electricity.
Preferably, in above-mentioned charging electric vehicle converting means, the secondary current rectifying and wave filtering circuit includes bridge rectifier Circuit.
Preferably, in above-mentioned charging electric vehicle converting means, the secondary current rectifying and wave filtering circuit is further included into One step includes the filter condenser for being connected to the secondary side rectification circuit outlet side.
Preferably, in above-mentioned charging electric vehicle converting means, the vehicle-mounted charge converter primary side unit includes defeated Enter Electro Magnetic Compatibility circuit, the DC-to-dc primary side rectification circuit being connected with the primary side of the isolating transformer and be connected to institute State the power factor correction circuit between input Electro Magnetic Compatibility circuit and DC-to-dc primary side rectification circuit.
Of the present utility model to also have a purpose to be to provide a kind of electric automobile, it has compact-sized, in light weight and accounted for With space it is small the advantages that.
Electric automobile according to the utility model another embodiment includes charging converting means, the charging converting means Including：
First switch；
Second switch；
Isolating transformer；
The vehicle-mounted charge converter primary side unit being connected with the primary side of the isolating transformer；
Secondary side rectification circuit；And
The output Electro Magnetic Compatibility circuit being connected with the secondary side rectification circuit,
Wherein, the input side of the secondary side rectification circuit is respectively through the first switch and the second switch and wireless charging The surface units of electric transducer are connected with the secondary of the isolating transformer of vehicle-mounted charge converter,
Wherein, when the first switch closes and the second switch disconnects, wireless charging converter surface units are defeated The direct current gone out is transformed to high voltage direct current by the rectification circuit, and and when the first switch disconnect and described second During switch closure, the direct current of the vehicle-mounted charge converter primary side unit output is transformed to HVDC by the rectification circuit Electricity.
Brief description of the drawings
Of the present utility model above-mentioned and/or other side and advantage will pass through the description of the various aspects below in conjunction with accompanying drawing Become more fully apparent and be easier to understand, same or analogous unit, which is adopted, in accompanying drawing is indicated by the same numeral, and accompanying drawing includes：
Fig. 1 is the circuit theory diagrams according to the wireless charging converter of prior art.
Fig. 2 is the circuit theory diagrams according to the vehicle-mounted charge converter of prior art.
Fig. 3 is the circuit theory according to the charging converting means for being used for electric automobile of the utility model one embodiment Figure.
Embodiment
It is new referring to this practicality is more fully illustrated which illustrates the accompanying drawing of the utility model illustrative examples Type.But the utility model can be realized by multi-form, and be not construed as being only limitted to each embodiment given herein.Provide The various embodiments described above be intended to make this paper disclosure comprehensively complete so that the understanding to scope of protection of the utility model is more complete Face and accurate.
The term of such as "comprising" and " comprising " etc is represented except direct with having in the specification and in the claims Beyond the unit and step clearly stated, the technical solution of the utility model is also not excluded for having and not stated directly or clearly Other units and step situation.
The term of such as " first " and " second " etc is not offered as order of the unit in time, space, size etc. And it is only to make differentiation each unit to be used.
According to one side of the present utility model, the board units of wireless charging converter and the pair of vehicle-mounted charge converter Avris shares secondary side rectification circuit, filter circuit and output EMC circuits, and makes the input side of secondary side rectification circuit respectively through two The secondary of the isolating transformer of individual independent switch and wireless charging converter and the isolating transformer of vehicle-mounted charge converter Secondary is connected.
Embodiment of the present utility model is specifically described below by accompanying drawing.
Fig. 3 is the circuit theory diagrams according to the charging converting means for being used for electric automobile of one embodiment of the invention.
The charging converting means 30 for electric automobile shown in Fig. 3 includes output Electro Magnetic Compatibility circuit 311, with exporting The connected rectification circuit 312 of Electro Magnetic Compatibility circuit 311, isolating transformer T31, DC-DC converter primary side unit 313, First switch S1 and second switch S2, isolating transformer T31 primary and secondary side respectively with DC-DC converter primary side unit 313 are connected with rectification circuit 312.
In the present embodiment, rectification circuit 312 is the bridge rectifier that is made up of diode D1-D4, the bridge rectifier One of input of circuit is connected to isolating transformer T31 secondary and nothing through first switch S1 and second switch S2 respectively The isolating transformer T' of micro USB electric transducer secondary, and another input is connected directly to isolating transformer T31 secondary With isolating transformer T' secondary.Preferably, converting means 30 is charged further comprising filter condenser C1 as filter circuit, The capacitor is connected between bridge rectifier cathode output end and cathode output end.
It is pointed out that although isolating transformer T' is typically provided in the surface units of wireless charging converter, But this layout type is not necessary, the utility model is equally applicable to isolating transformer T' being integrated in wireless charging Situation in the board units of converter.
In the present embodiment, DC-DC converter primary side unit 313 include input Electro Magnetic Compatibility circuit 3131, with The DC-to-dc primary side rectification circuit 3133 and be connected to input Electro Magnetic Compatibility circuit that isolating transformer T31 primary side is connected Power factor correction circuit 3132 between 3131 and DC-to-dc primary side rectification circuit 3133.
As described above, the secondary side of the board units of wireless charging converter and vehicle-mounted charge converter shares one group of rectification Circuit, filter circuit and output EMC circuits.Specifically, in the present embodiment, when carrying out wireless charging, output electromagnetism is simultaneous Capacitive circuit 311, filter condenser C1 and rectification circuit 312 are used as the secondary side of the isolating transformer of wireless charging converter Circuit unit, and when carrying out conduction-type charging, output Electro Magnetic Compatibility circuit 311, filter condenser C1 and rectification circuit 312 Then it is used as the secondary lateral circuit unit of the isolating transformer of vehicle-mounted charge converter.The switching of above two mode of operation is then led to The state for crossing control first switch S1 and second switch S2 is realized.
The operation principle of charging converting means shown in Fig. 3 is described below.
When needing to be charged using vehicle-mounted charge converter, first switch S1 closures and second switch S2 disconnections. Now, the electric energy of AC network produces through the primary side after DC-DC converter primary side unit 313 in isolating transformer T31 High-frequency DC.Rectification circuit 312 carries out rectification to the high-frequency DC of the secondary from isolating transformer T31, and through output Electro Magnetic Compatibility circuit 311 exports.
When needing to charge in a wired fashion, first switch S1 is disconnected and second switch S2 is closed.Now, AC network Isolating transformer T' of the electric energy through wireless charging converter be coupled to rectification circuit 312, through delivering to filtered electrical after over commutation Container C1, the direct current for then passing through filtering process are exported through exporting Electro Magnetic Compatibility circuit 312.
In the utility model, by introducing two independent switches, you can make the vehicle-mounted part of wireless charging converter Rectification circuit, filter circuit, output EMC circuits and corresponding control unit are shared with onboard charger（Such as CAN communication circuit With signal acquisition circuit etc.）, and realize between two kinds of charging modes and easily switch.Further, since in isolating transformer Secondary side share set of circuits unit, therefore decrease the quantity of cooling circuit, and reduce recharging converter occupancy Space and weight.
Although having showed and having discussed some aspects of the present utility model, those skilled in the art should anticipate Know：Above-mentioned aspect can be changed under conditions of without departing substantially from the utility model principle and spirit, therefore this practicality is new The scope of type will be limited by claim and equivalent content.

Claims (8)

  1. A kind of 1. charging electric vehicle converting means, it is characterised in that including：
    First switch；
    Second switch；
    Isolating transformer；
    The vehicle-mounted charge converter primary side unit being connected with the primary side of the isolating transformer；
    Secondary side rectification circuit；And
    The output Electro Magnetic Compatibility circuit being connected with the secondary side rectification circuit,
    Wherein, the input side of the secondary side rectification circuit becomes through the first switch and the second switch with wireless charging respectively The surface units of parallel operation are connected with the secondary of the isolating transformer of vehicle-mounted charge converter,
    Wherein, when the first switch closes and the second switch disconnects, the output of wireless charging converter surface units Direct current is transformed to high voltage direct current by the rectification circuit, and and when the first switch disconnects and the second switch During closure, the direct current of the vehicle-mounted charge converter primary side unit output is transformed to high voltage direct current by the rectification circuit.
  2. 2. charging electric vehicle converting means as claimed in claim 1, wherein, the secondary side rectification circuit includes bridge rectifier Circuit.
  3. 3. charging electric vehicle converting means as claimed in claim 2, wherein, further include and be connected to the secondary rectification The filter condenser of circuit output side.
  4. 4. charging electric vehicle converting means as claimed in claim 1, wherein, the vehicle-mounted charge converter primary side unit bag Include input Electro Magnetic Compatibility circuit, the DC-to-dc primary side rectification circuit connected with the primary side of the isolating transformer and be connected Power factor correction circuit between the input Electro Magnetic Compatibility circuit and DC-to-dc primary side rectification circuit.
  5. 5. a kind of electric automobile, including charging converting means, it is characterised in that the charging converting means includes：
    First switch；
    Second switch；
    Isolating transformer；
    The vehicle-mounted charge converter primary side unit being connected with the primary side of the isolating transformer；
    Secondary side rectification circuit；And
    The output Electro Magnetic Compatibility circuit being connected with the secondary side rectification circuit,
    Wherein, the input side of the secondary side rectification circuit becomes through the first switch and the second switch with wireless charging respectively The surface units of parallel operation are connected with the secondary of the isolating transformer of vehicle-mounted charge converter,
    Wherein, when the first switch closes and the second switch disconnects, the output of wireless charging converter surface units Direct current is transformed to high voltage direct current by the rectification circuit, and and when the first switch disconnects and the second switch During closure, the direct current of the vehicle-mounted charge converter primary side unit output is transformed to high voltage direct current by the rectification circuit.
  6. 6. electric automobile as claimed in claim 5, wherein, the secondary side rectification circuit includes bridge rectifier.
  7. 7. electric automobile as claimed in claim 6, wherein, further include and be connected to the secondary side rectification circuit outlet side Filter condenser.
  8. 8. electric automobile as claimed in claim 5, wherein, it is simultaneous that the vehicle-mounted charge converter primary side unit includes input electromagnetism Capacitive circuit, the DC-to-dc primary side rectification circuit being connected with the primary side of the isolating transformer and be connected to it is described input electricity Power factor correction circuit between magnetic compatible circuit and DC-to-dc primary side rectification circuit.
CN201621411351.2U 2016-12-21 2016-12-21 Charging converting means and include its electric automobile Active CN206712527U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621411351.2U CN206712527U (en) 2016-12-21 2016-12-21 Charging converting means and include its electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621411351.2U CN206712527U (en) 2016-12-21 2016-12-21 Charging converting means and include its electric automobile

Publications (1)

Publication Number Publication Date
CN206712527U true CN206712527U (en) 2017-12-05

Family

ID=60471792

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621411351.2U Active CN206712527U (en) 2016-12-21 2016-12-21 Charging converting means and include its electric automobile

Country Status (1)

Country Link
CN (1) CN206712527U (en)

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