CN207339384U - Vehicle-mounted power supply system and electric automobile - Google Patents

Vehicle-mounted power supply system and electric automobile Download PDF

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Publication number
CN207339384U
CN207339384U CN201721425407.4U CN201721425407U CN207339384U CN 207339384 U CN207339384 U CN 207339384U CN 201721425407 U CN201721425407 U CN 201721425407U CN 207339384 U CN207339384 U CN 207339384U
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China
Prior art keywords
switching tube
electrically connected
circuit
level
conversion circuit
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CN201721425407.4U
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Chinese (zh)
Inventor
闫泽宇
范春鹏
蒋荣勋
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Beijing Electric Vehicle Co Ltd
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Beijing Electric Vehicle Co Ltd
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Priority to CN201721425407.4U priority Critical patent/CN207339384U/en
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

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

Abstract

The utility model provides a vehicle mounted power system and electric automobile, this vehicle mounted power system includes: a dc-dc conversion circuit, the dc-dc conversion circuit comprising: the transformer comprises a direct current-alternating current conversion circuit, a transformer, a first alternating current-direct current conversion circuit and a second alternating current-direct current conversion circuit; a high voltage battery pack; a low-voltage battery; the wired charging circuit comprises a third alternating current-direct current conversion circuit and a charging socket used for being electrically connected with the charging plug; the wireless charging circuit comprises a first control switch and a receiving coil for receiving energy transferred by a magnetic field. Therefore, the utility model discloses a scheme has solved among the prior art the whole electrical power generating system cost of electric automobile higher and arrange the great problem of the degree of difficulty.

Description

A kind of Vehicular power system and electric automobile
Technical field
It the utility model is related to electric automobile charging technique field, more particularly to a kind of Vehicular power system and electronic vapour Car.
Background technology
Existing electric automobile can not only carry out wireless charging, but also can carry out wired charging.Wherein, car end power supply at present System is mainly as depicted in figs. 1 and 2.In Fig. 1, wired charging system includes charge port, circuit of power factor correction, first straight Stream-DC transfer circuit and the second DC-DC transfer circuit, wireless charging system include car end receiving coil, car end power Controller, the second DC-DC transfer circuit.In fig. 2, wired charging system include charge port, circuit of power factor correction, First DC-DC transfer circuit and the second DC-DC transfer circuit, wireless charging system include：Car end receiving coil, car Hold power controller, circuit of power factor correction, the first DC-DC transfer circuit and the second DC-DC transfer circuit.
It follows that wired charging system of the prior art and wireless charging system are provided separately, each power-supply system There are the overlapping circuit of function, and each power-supply system is required for extra power supply harness, communication harness, high-voltage wiring harness, increase The cost of whole power-supply system and the arrangement difficulty at car end.
Utility model content
The embodiment of the utility model provides a kind of Vehicular power system and electric automobile, electric in the prior art to solve The whole power-supply system cost of electrical automobile is higher and arranges the problem of difficulty is larger.
The utility model provides a kind of Vehicular power system, including：
DC-DC transfer circuit, the DC-DC transfer circuit include：DC-AC conversion circuit, transformer, First ac-dc conversion circuit, the second ac-dc conversion circuit, the transformer include first port, second port and 3rd port, the second end of the DC-AC conversion circuit are electrically connected with the first port of the transformer, the transformer Second port be electrically connected with the first end of first ac-dc conversion circuit, the 3rd port of the transformer and institute The first end for stating the second ac-dc conversion circuit is electrically connected；
High-tension battery bag, the high-tension battery bag are electrically connected with the second end of first ac-dc conversion circuit；
Low tension battery, the low tension battery are electrically connected with the second end of second ac-dc conversion circuit；
Wired charging circuit, the wired charging circuit include the 3rd ac-dc conversion circuit and for being inserted with charging The charging socket that head is electrically connected, the first end of the 3rd ac-dc conversion circuit is electrically connected with the charging socket, described The second end of 3rd ac-dc conversion circuit is electrically connected with the first end of the DC-AC conversion circuit；
Wireless charging circuit, the wireless charging circuit include the first controlling switch and the energy for receiving magnetic field transmission Receiving coil, the receiving coil and first controlling switch are connected on the second end of the DC-AC conversion circuit.
Preferably, above-mentioned Vehicular power system further includes：
For control the DC-AC conversion circuit, first ac-dc conversion circuit, it is described second exchange- DC transfer circuit, the 3rd ac-dc conversion circuit conducting with cut-off control module, the control module respectively with The DC-AC conversion circuit, first ac-dc conversion circuit, second ac-dc conversion circuit and institute State the electrical connection of the 3rd ac-dc conversion circuit.
Preferably, the DC-AC conversion circuit includes first switch pipe, second switch pipe, the 3rd switching tube and the Four switching tubes, the first order of the first switch pipe are electrically connected with the first order of the second switch pipe, the 3rd switching tube The second level be electrically connected with the second level of the 4th switching tube, the second level of the first switch pipe and the 3rd switching tube The first order be electrically connected, the second level of the second switch pipe is electrically connected with the first order of the 4th switching tube, described first The grid of switching tube, the grid of the second switch pipe, the grid of the 3rd switching tube and the grid of the 4th switching tube It is electrically connected respectively with the control module；
Wherein, the first order of the first switch pipe and the second level of the 3rd switching tube form the DC-AC The first end of translation circuit；
The second level of the first switch pipe and the second level of the second switch pipe form the DC-AC conversion electricity The second end on road.
Preferably, first ac-dc conversion circuit includes the 5th switching tube, the 6th switching tube, the 7th switching tube With the 8th switching tube, the first order of the 5th switching tube is electrically connected with the first order of the 6th switching tube, and the described 7th opens The second level for closing pipe is electrically connected with the second level of the 8th switching tube, and the second level of the 5th switching tube is opened with the described 7th The first order for closing pipe is electrically connected, and the second level of the 6th switching tube is electrically connected with the first order of the 8th switching tube, described The grid of 5th switching tube, the grid of the 6th switching tube, the grid of the 7th switching tube and the 8th switching tube Grid is electrically connected with the control module respectively；
Wherein, the second level of the 5th switching tube and the second level of the 6th switching tube formed described first exchange- The first end of DC transfer circuit；
The first order of 6th switching tube and the second level of the 8th switching tube, form first AC-DC The second end of translation circuit.
Preferably, the transformer includes the first winding, the second winding, the tertiary winding and the 4th winding, described first around Two ports of group form the first port, and two ports of second winding form the second port, and the described 3rd Two ports after winding and the 4th windings in series form the 3rd port.
Preferably, second ac-dc conversion circuit includes the 9th switching tube and the tenth switching tube, and the described 9th opens The second level for closing pipe is electrically connected with the second level of the tenth switching tube, the grid of the 9th switching tube and the tenth switch The grid of pipe is electrically connected with the control module respectively；
Wherein, the first order of the 9th switching tube and the first order of the tenth switching tube formed described second exchange- The first end of DC transfer circuit；
The connecting pin of the second level of 9th switching tube and the second level of the tenth switching tube, and the tertiary winding With the connecting pin of the 4th winding, the second end of formation second ac-dc conversion circuit.
Preferably, the 3rd ac-dc conversion circuit includes the 11st switching tube, the 12nd switching tube, the 13rd Switching tube and the 14th switching tube, the first order and the first order of the 12nd switching tube of the 11st switching tube are electrically connected Connect, the second level of the 13rd switching tube is electrically connected with the second level of the 14th switching tube, the 11st switching tube The second level be electrically connected with the first order of the 13rd switching tube, the second level and the described 14th of the 12nd switching tube The first order of switching tube is electrically connected, the grid of the 11st switching tube, the grid of the 12nd switching tube, the described 13rd The grid of the grid of switching tube and the 14th switching tube is electrically connected with the control module respectively；
Wherein, the second level of the 11st switching tube and the second level of the 12nd switching tube, form the described 3rd The first end of ac-dc conversion circuit；
The first order of 12nd switching tube and the second level of the 14th switching tube, formation the 3rd exchange- The second end of DC transfer circuit.
Preferably, the wired charging circuit further includes the first inductance and the second inductance, the first end of first inductance It is electrically connected respectively with the charging socket with the first end of second inductance, the second end of first inductance and the described tenth The second level of one switching tube is electrically connected, and the second end of second inductance is electrically connected with the second level of the 12nd switching tube.
Preferably, the second control is in series between the high-tension battery bag and first ac-dc conversion circuit to open Close.
Preferably, above-mentioned Vehicular power system further includes：
Resonance circuit, the first end of the resonance circuit are electrically connected with the second end of the DC-AC conversion circuit, institute The second end for stating resonance circuit is electrically connected with the first port of the transformer.
Preferably, the resonance circuit includes：3rd inductance and the first capacitance, the first end of the 3rd inductance with it is described The first end of first capacitance forms the first end of the resonance circuit, second end and first capacitance of the 3rd inductance Second end forms the second end of the resonance circuit.
Preferably, above-mentioned Vehicular power system, further includes：
Regulator circuit, the first end of the regulator circuit and the second end of second ac-dc conversion circuit are electrically connected Connect, the second end of the regulator circuit is electrically connected with the low tension battery, and the regulator circuit is also electric with the control module Connection.
Preferably, the regulator circuit includes：15th switching tube, sixteenmo close pipe, the 17th switching tube, the 18th Switching tube and the 5th inductance, the second level of the 15th switching tube and the first order of the 17th switching tube respectively with it is described The first end of 5th inductance is electrically connected, and the sixteenmo closes the first order of pipe and the eighteenmo closes the first order difference of pipe It is electrically connected with the second end of the 5th inductance, the eighteenmo closes the second level and the second of the 17th switching tube of pipe Level is electrically connected, and grid, the sixteenmo of the 15th switching tube close grid, the grid of the 17th switching tube of pipe The grid that pipe is closed in pole, the eighteenmo is electrically connected with the control module respectively；
Wherein, the first order of the 15th switching tube forms the voltage stabilizing electricity with the second level of the 17th switching tube The first end on road, the sixteenmo closes the second level of pipe and the second level of eighteenmo pass pipe forms the regulator circuit Second end.
Preferably, the regulator circuit includes：19th switching tube, the 7th inductance and the first diode, the described 19th First end of the anode of the second level of switching tube and first diode with the 7th inductance is electrically connected, and the described 19th The grid of switching tube is electrically connected with the control module, and the first order of the 19th switching tube and first diode are just Pole forms the first end of the regulator circuit, and the second end of the 7th inductance forms described with the cathode of first diode The second end of regulator circuit.
Preferably, above-mentioned Vehicular power system, further includes：
For the wireless charging signal and wired charging signal transmission that send the user received to the control module Wireless communication module, the wireless communication module is electrically connected with the control module.
The embodiment of the utility model additionally provides a kind of electric automobile, including Vehicular power system described above.
The beneficial effect of the utility model embodiment is：
The Vehicular power system of the utility model embodiment, can be inserted into charging in the charging socket of wired charging circuit and insert After head, charged by DC-DC transfer circuit for high-tension battery bag and low tension battery, additionally it is possible in wireless charging electricity It is high-tension battery bag and low by DC-DC transfer circuit when the receiving coil on road receives the energy of external magnetic field transmission Pressure storage battery charges.It follows that the embodiment of the utility model carries out wired charging function and wireless charging function It is integrated, same DC-DC transfer circuit is shared, circuit is effectively simplified, reduces the holistic cost of system, solve at the same time Difficult arrangement of the whole power-supply system of having determined at car end.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, below by the utility model embodiment Attached drawing is briefly described needed in description, it should be apparent that, drawings in the following description are only that this practicality is new Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with Other attached drawings are obtained according to these attached drawings.
One of functional block diagram Fig. 1 shows Vehicular power system of the prior art；
Fig. 2 represents the two of the functional block diagram of Vehicular power system of the prior art；
Fig. 3 represents the functional block diagram of the Vehicular power system of the utility model embodiment；
Fig. 4 represents one of circuit diagram of Vehicular power system of the utility model embodiment；
Fig. 5 represents the two of the circuit diagram of the Vehicular power system of the utility model embodiment；
Fig. 6 represents another circuit diagram of regulator circuit in the utility model embodiment；
Fig. 7 represents arrangement schematic diagram of the Vehicular power system of the utility model embodiment on electric automobile.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that described embodiment is the utility model part of the embodiment, rather than whole implementation Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without creative efforts The every other embodiment obtained, shall fall within the protection scope of the present invention.
The embodiment of the utility model provides a kind of Vehicular power system, as shown in figure 3, the Vehicular power system bag Include：
DC-DC transfer circuit 1, the DC-DC transfer circuit 1 include：DC-AC conversion circuit 11, become Depressor 12, the first ac-dc conversion circuit 13, the second ac-dc conversion circuit 14, the transformer 12 include first end Mouth, second port and the 3rd port, the second end of the DC-AC conversion circuit 11 and the first port of the transformer 12 It is electrically connected, the second port of the transformer 12 is electrically connected with the first end of first ac-dc conversion circuit 13, described 3rd port of transformer 12 is electrically connected with the first end of second ac-dc conversion circuit 14；
High-tension battery bag 4, the second end of the high-tension battery bag 4 and first ac-dc conversion circuit 13 are electrically connected Connect；
Low tension battery 5, the second end of the low tension battery 5 and second ac-dc conversion circuit 14 are electrically connected Connect；
Wired charging circuit 2, the wired charging circuit 2 include the 3rd ac-dc conversion circuit 22 and for filling The charging socket 21 that plug is electrically connected, first end and the charging socket 21 of the 3rd ac-dc conversion circuit 22 It is electrically connected, the second end of the 3rd ac-dc conversion circuit 22 and the first end electricity of the DC-AC conversion circuit 11 Connection；
Wireless charging circuit 3, the wireless charging circuit 3 include the first controlling switch 32 and for receiving magnetic field transmission The receiving coil 31 of energy, the receiving coil 31 and first controlling switch 32 are connected on the DC-AC conversion electricity The second end on road 11.
Wherein, above-mentioned first controlling switch 32 concretely relay or diode.When the first controlling switch is two poles Guan Shi, the cathode of diode are electrically connected with the first end of receiving coil 31, the anode of diode and the second of receiving coil 31 End is connected to the second end of DC-AC conversion circuit 11.
In this embodiment, when carrying out wired charging, the first controlling switch 32 disconnects, and wireless charging circuit 3 does not work, And then when the charging socket 21 of wired charging circuit 2 is connected with extraneous charging plug, pass through the 3rd AC-DC converter electricity Alternating current is changed into direct current by road 22, and then direct current is changed into alternating current, Ran Houjing by DC-AC conversion circuit 11 Transformer 12 changes, and is divided into two-way alternating current.Wherein alternating current is converted to direct current through the first ac-dc conversion circuit 13 all the way Electricity, charges for high-tension battery bag 4, and in addition alternating current is converted to direct current through the second ac-dc conversion circuit 14 all the way, Charge for low tension battery 5.
In addition, in this embodiment, in wireless charging, the first controlling switch 32 in wireless charging circuit 3 closes, and Wired charging circuit 2 does not work.And then when the receiving coil 31 in wireless charging circuit 3 receives the energy of external magnetic field transmission When, change through transformer 12, be divided into two-way alternating current.Wherein alternating current is changed through the first ac-dc conversion circuit 13 all the way For direct current, charge for high-tension battery bag 4, in addition alternating current is converted to through the second ac-dc conversion circuit 14 all the way Direct current, charges for low tension battery 5.
It can be seen from the above, the Vehicular power system of the utility model embodiment, when wired charging circuit 2 works, wirelessly Charging circuit 3 does not work, and during the work of wireless charging circuit 3, wired charging circuit 2 does not work, so that vehicle power supply system Wired charging function and the wireless charging function of system are independent of each other.
In addition, the embodiment of the utility model is shared by the way that wired charging function and wireless charging function are integrated Same DC-DC transfer circuit, is effectively simplified circuit, reduces the volume of whole power-supply system, reduce integral into This, while solve difficult arrangement of the whole power-supply system at car end.
Preferably, the Vehicular power system of the utility model embodiment, further includes：For controlling the DC-AC to become Change circuit 11, first ac-dc conversion circuit 13, second ac-dc conversion circuit 14, the 3rd friendship Stream-DC transfer circuit 22 turn on cut-off control module, the control module respectively with the DC-AC conversion circuit 11st, first ac-dc conversion circuit 13, second ac-dc conversion circuit 14 and the 3rd AC-DC Translation circuit 22 is electrically connected.Wherein, above-mentioned control module is not shown in Fig. 3~Fig. 5.
Control the 3rd ac-dc conversion circuit 22 in wired charging circuit 2 by control module, and direct current- DC-AC conversion circuit 11, the first ac-dc conversion circuit 13 and the second AC-DC in DC transfer circuit 1 become The conducting and cut-off of circuit 14 are changed, wired charging circuit 2 can be controlled to be filled for high-tension battery bag 4 and low tension battery 5 well When electric, wireless charging circuit 3 does not work, and control wireless charging circuit 3 charges for high-tension battery bag 4 and low tension battery 5 When, wired charging circuit 2 does not work.
Further, above-mentioned control module can be also electrically connected with the first controlling switch 32, so as to control the first controlling switch 32 closure and disconnection.
Preferably, as shown in figure 4, the DC-AC conversion circuit 11 includes first switch pipe Q1, second switch pipe Q2, the 3rd switching tube Q3 and the 4th switching tube Q4, the of the first order of the first switch pipe Q1 and the second switch pipe Q2 Level-one is electrically connected, and the second level of the 3rd switching tube Q3 is electrically connected with the second level of the 4th switching tube Q4, and described first The second level of switching tube Q1 is electrically connected with the first order of the 3rd switching tube Q3, the second level of the second switch pipe Q2 and institute The first order for stating the 4th switching tube Q4 is electrically connected, the grid of the first switch pipe Q1, the grid of the second switch pipe Q2, institute The grid of the grid and the 4th switching tube Q4 of stating the 3rd switching tube Q3 is electrically connected with the control module respectively；Wherein, institute State the first order of first switch pipe Q1 and form the DC-AC conversion circuit 11 with the second level of the 3rd switching tube Q3 First end；The second level of the first switch pipe Q1 and the second level of the second switch pipe Q2 form the DC-AC and become Change the second end of circuit 11.
I.e. in the embodiment of the utility model, DC-AC conversion circuit 11 is by first switch pipe Q1, second switch pipe The H bridges that Q2, the 3rd switching tube Q3 and the 4th switching tube Q4 are formed.Wherein, the H bridges being made of switching tube, can realize alternating current Conversion between direct current.Wherein, if the first order and the second level shape of the 3rd switching tube Q3 of the first switch pipe Q1 in Fig. 4 Into first end input AC electricity, then second formed from the second level of first switch pipe Q1 and the second level of second switch pipe Q2 End output direct current.If on the contrary, the second level of first switch pipe Q1 in Fig. 4 and the second level of second switch pipe Q2 formed the Two end input dc powers, the then first end that the second level of the first order from first switch pipe Q1 and the 3rd switching tube Q3 are formed export Alternating current.
Preferably, as shown in figure 4, first ac-dc conversion circuit 13 includes the 5th switching tube Q5, the 6th switch Pipe Q6, the 7th switching tube Q7 and the 8th switching tube Q8, the first order of the 5th switching tube Q5 is with the 6th switching tube Q6's The first order is electrically connected, and the second level of the 7th switching tube Q7 is electrically connected with the second level of the 8th switching tube Q8, and described the The second level of five switching tube Q5 is electrically connected with the first order of the 7th switching tube Q7, the second level of the 6th switching tube Q6 with The first order of the 8th switching tube Q8 is electrically connected, the grid of the 5th switching tube Q5, the grid of the 6th switching tube Q6, The grid of the 7th switching tube Q7 and the grid of the 8th switching tube Q8 are electrically connected with the control module respectively；Wherein, The second level of the 5th switching tube Q5 forms the first AC-DC converter electricity with the second level of the 6th switching tube Q6 The first end on road 13；The first order of the 6th switching tube Q6 and the second level of the 8th switching tube Q8, form described first The second end of ac-dc conversion circuit 13.
I.e. in the embodiment of the utility model, the first ac-dc conversion circuit 13 is to be opened by the 5th switching tube Q5, the 6th Close the H bridges that pipe Q6, the 7th switching tube Q7 and the 8th switching tube Q8 are formed.Wherein, the H bridges being made of switching tube, can realize friendship Conversion between galvanic electricity and direct current.Wherein, if the second level and the second of the 6th switching tube Q6 of the 5th switching tube Q5 in Fig. 4 The first end input AC that level is formed is electric, then the second level of the first order from the 6th switching tube Q6 and the 8th switching tube Q8 are formed Second end exports direct current.On the contrary, if the first order of the 6th switching tube Q6 and the second level of the 8th switching tube Q8 in Fig. 4 are formed Second end input dc power, then the first end formed from the second level of the second level of the 5th switching tube Q5 and the 6th switching tube Q6 Export alternating current.
Preferably, as shown in figure 4, the transformer 12 includes the first winding W1, the second winding W2, tertiary winding W3 and the Two ports of four winding W4, the first winding W1 form the first port, two port shapes of the second winding W2 Into the second port, the tertiary winding W3 and the 4th winding W4 series connection after two ports form the 3rd end Mouthful.
Further, as shown in figure 4, second ac-dc conversion circuit 14 includes the 9th switching tube Q9 and the tenth Switching tube Q10, the second level of the 9th switching tube Q9 are electrically connected with the second level of the tenth switching tube Q10, and the described 9th The grid of the grid of switching tube Q9 and the tenth switching tube Q10 are electrically connected with the control module respectively；Wherein, the described 9th The first order of switching tube Q9 and the first order of the tenth switching tube Q10 form second ac-dc conversion circuit 14 First end；The connecting pin of the second level of the 9th switching tube Q9 and the second level of the tenth switching tube Q10, and the described 3rd The connecting pin of winding W3 and the 4th winding W4, forms the second end of second ac-dc conversion circuit 14.
The second ac-dc conversion circuit 14 i.e. in the utility model embodiment is switched by the 9th switching tube Q9 and the tenth Pipe Q10 is formed.
Preferably, as shown in figure 4, the 3rd ac-dc conversion circuit 22 includes the 11st switching tube Q11, the tenth Two switching tube Q12, the 13rd switching tube Q13 and the 14th switching tube Q14, the first order of the 11st switching tube Q11 and institute The first order for stating the 12nd switching tube Q12 is electrically connected, the second level and the 14th switching tube of the 13rd switching tube Q13 The second level of Q14 is electrically connected, the second level of the 11st switching tube Q11 and the first order electricity of the 13rd switching tube Q13 Connection, the second level of the 12nd switching tube Q12 are electrically connected with the first order of the 14th switching tube Q14, and the described tenth The grid of one switching tube Q11, the grid of the 12nd switching tube Q12, the grid of the 13rd switching tube Q13 and described The grid of 14 switching tube Q14 is electrically connected with the control module respectively；Wherein, the second level of the 11st switching tube Q11 With the second level of the 12nd switching tube Q12, the first end of formation the 3rd ac-dc conversion circuit 22；Described The first order of 12 switching tube Q12 and the second level of the 14th switching tube Q14, form the 3rd AC-DC converter The second end of circuit 22.
I.e. in the embodiment of the utility model, the 3rd ac-dc conversion circuit 22 is by the 11st switching tube Q11, the The H bridges that 12 switching tube Q12, the 13rd switching tube Q13 and the 14th switching tube Q14 are formed.Wherein, the H being made of switching tube Bridge, can realize the conversion between alternating current and direct current.Wherein, if the second level of the 11st switching tube Q11 in Fig. 4 and the The first end input AC electricity that the second level of 12 switching tube Q12 is formed, then from the first order and the tenth of the 12nd switching tube Q12 The second end output direct current that the second level of four switching tube Q14 is formed.If on the contrary, first of the 12nd switching tube Q12 in Fig. 4 The second end input dc power that the second level of level and the 14th switching tube Q14 are formed, then from the second level of the 11st switching tube Q11 The first end formed with the second level of the 12nd switching tube Q12 exports alternating current.
In addition, the switching tube being electrically connected in content described above with control module, the grid by control module to switching tube Pole input can cause switching tube turn on voltage, so as to fulfill the circuit module being made of each switching tube conducting with cut Only.
Further, it is to be appreciated that for above-mentioned DC-AC conversion circuit 11, the first ac-dc conversion circuit 13rd, the specific composition form of the second ac-dc conversion circuit 14 and the 3rd ac-dc conversion circuit 22, does not limit to Description in this article.
Specifically, for the Vehicular power system shown in Fig. 4, when carrying out wired charging, the first controlling switch 32 disconnects, And charging socket is electrically connected with extraneous charging plug, the 3rd be made of control module control switching tube Q11~Q14 hands over Stream-DC transfer circuit 22, the DC-AC conversion circuit 11 being made of switching tube Q1~Q4, be made of switching tube Q5~Q8 The first ac-dc conversion circuit 13 and the second ac-dc conversion circuit 14 for being made of switching tube Q9 and Q10 lead It is logical, and then rectification is carried out by switching tube Q11~Q14, become the direct current of fluctuation, then by switching tube Q1~Q4 generation sides Ripple, and then change through transformer 12, it is divided into two-way.Wherein charge all the way after switching tube Q5~Q8 rectifications to high-tension battery bag 4, In addition all the way through switching tube Q9 and Q10 rectification, there is provided DC voltage, charges for low tension battery 5.
For the Vehicular power system shown in Fig. 4, when carrying out wireless charging, the first controlling switch 32 closes, and passes through control The 3rd ac-dc conversion circuit 22 that the control of molding block is made of switching tube Q11~Q14 ends, and controls by switching tube Q1 DC-AC conversion circuit 11 that~Q4 is formed, by switching tube Q5~Q8 the first ac-dc conversion circuits 13 formed and The second ac-dc conversion circuit 14 being made of switching tube Q9 and Q10 turns on, and then when the reception in wireless charging circuit 3 When coil 31 receives the energy of magnetic field transmission, change through transformer 12, be divided into two-way.It is wherein whole through switching tube Q5~Q8 all the way Charge after stream to high-tension battery bag 4, in addition all the way through switching tube Q9 and Q10 rectification, there is provided DC voltage, is low tension battery 5 Charge.Wherein, during wireless charging is carried out, since control module controlling switch pipe Q11~Q14 is off shape State, so the body diode of switching tube Q11~Q14 parasitisms is in reverse-biased cut-off, so ensure that charging socket 21 is not charged.
In addition, for the Vehicular power system shown in Fig. 4, when wired charging circuit 2 and wireless charging circuit 3 do not work When, in the normal driving process of vehicle, the energy of high-tension battery bag 4 produces the side of high-frequency ac by switching tube Q5~Q8 Ripple, then through 12 transformation of transformer, switching tube Q9 and Q10 rectification, there is provided DC current, charges to low tension battery 5.Its In, in the process, control module meeting controlling switch pipe Q11~Q14 is off state, i.e., so that switching tube Q11~Q14 is posted Raw body diode is in reverse-biased cut-off, so that it is not charged to protect charging socket.
Further, since DC-AC conversion circuit 11, the first ac-dc conversion circuit 13 and the 3rd shown in Fig. 4 Ac-dc conversion circuit 22 is the H bridges being made of four switching tubes, so, for the Vehicular power system shown in Fig. 4 also It may be at inverter mode.That is control module controlling switch pipe Q5~Q8, Q1~Q4, Q11~Q14 and Q9 and Q10 conductings, and When first controlling switch 32 disconnects, the direct current of high-tension battery bag 4 is converted into high-frequency ac square wave by switching tube Q5~Q8, is passed through After transformer 12, all the way by switching tube Q9 and Q10 rectification, there is provided DC voltage is powered to low tension battery 5；Another way passes through Switching tube Q1~Q4 is rectified into direct current, then by switching tube Q11~Q14 by DC inverter into exchange, and then charged insert Mouth 21 exports exchanges and supplies electricity to other electric automobiles or load or power grid power supply.Wherein, the first controlling switch 32 disconnects, and ensure that and connects Take-up circle 31 is not charged.
In addition, for the physical circuit form of the composition of the 3rd ac-dc conversion circuit 22, can also be by four diodes The H bridges of composition.But when the 3rd ac-dc conversion circuit 22 is the H bridges being made of four diodes, it is corresponding whole Vehicular power system can not be in inverter mode, i.e. high-tension battery bag 4 can not outwards power, and be only low tension battery 5 and carry out Power supply.
Preferably, as shown in figure 5, the wired charging circuit 2 further includes the first inductance L1 and the second inductance L2, described The first end of one inductance L1 and the first end of the second inductance L2 are electrically connected with the charging socket respectively, first inductance The second end of L1 is electrically connected with the second level of the 11st switching tube Q11, the second end of the second inductance L2 and described the The second level of 12 switching tube Q12 is electrically connected.
Wherein, the first inductance L1 and the second inductance L2 so that during wired charging is carried out, the first inductance L1, second Inductance L2, the 11st switching tube Q11, the 12nd switching tube Q12, the 13rd switching tube Q13 and the 14th switching tube Q14 composition work( Rate factor correcting circuit, enables input current to track the change of input voltage, realizes the purpose of correcting power factors.
In addition, in inverter mode, the first inductance L1 and the second inductance L2 are by from the 3rd ac-dc conversion circuit 22 The alternating current of first end output is filtered processing, ensures output to the voltage stabilization of charging socket 21.
Preferably, it is in series with the second control between the high-tension battery bag 4 and first ac-dc conversion circuit 13 Switch 6.Wherein, when the setting of the second controlling switch 6 charges for high-tension battery bag 4 if being controlled flexibly, and when Outwards powered and when be powered to low tension battery 5 by high-tension battery bag 4.
Further, which can also be electrically connected with control module, so that by the second control of control module control The closure of system switch 6 and disconnection.
Preferably, above-mentioned Vehicular power system further includes：Resonance circuit 15, the first end of the resonance circuit 15 with it is described The second end of DC-AC conversion circuit 11 is electrically connected, the second end of the resonance circuit 15 and the first of the transformer 12 Port is electrically connected.
Specifically, as shown in figure 5, the resonance circuit 15 includes：3rd inductance L3 and the first capacitance C1, the 3rd electricity Feel the first end that the first end of L3 forms the resonance circuit 15 with the first end of the first capacitance C1, the 3rd inductance L3 The second end of second end and the first capacitance C1 form the second end of the resonance circuit 15.Wherein, the 3rd inductance L3 and The primary side lateral coil (i.e. the first winding W1 in Fig. 5) of first capacitance C1 and transformer 12 form LLC resonance circuits.
Preferably, above-mentioned Vehicular power system, further includes：Regulator circuit 16, the first end of the regulator circuit 16 and institute The second end for stating the second ac-dc conversion circuit 14 is electrically connected, the second end of the regulator circuit 16 and the low pressure electric power storage Pond 5 is electrically connected, and the regulator circuit 16 is also electrically connected with the control module.Wherein, second ac-dc conversion circuit 14 Output is by 16 pressure regulation of regulator circuit and is maintained in stable scope.
Specifically, as shown in figure 5, the regulator circuit 16 includes：15th switching tube Q15, sixteenmo close pipe Q16, 17th switching tube Q17, eighteenmo close pipe Q18 and the 5th inductance L5, the second level of the 15th switching tube Q15 and described First end of the first order of 17th switching tube Q17 respectively with the 5th inductance L5 is electrically connected, and the sixteenmo closes pipe Q16 The first order and the eighteenmo close second end of the first order of pipe Q18 respectively with the 5th inductance L5 and be electrically connected, it is described The second level that eighteenmo closes pipe Q18 is electrically connected with the second level of the 17th switching tube Q17, the 15th switching tube The grid of Q15, the sixteenmo close the grid of pipe Q16, the grid of the 17th switching tube Q17, the eighteenmo and close The grid of pipe Q18 is electrically connected with the control module respectively；Wherein, the first order of the 15th switching tube Q15 and described the The second level of 17 switching tube Q17 forms the first end of the regulator circuit 16, the sixteenmo close the second level of pipe Q16 with The second level of the eighteenmo pass pipe Q18 forms the second end of the regulator circuit 16.Wherein, by control module to switch The grid input of pipe Q15~Q18 can cause the voltage that switching tube turns on, so as to fulfill the conducting and cut-off of regulator circuit 16.
Moreover it is preferred that as shown in fig. 6, the regulator circuit 16 includes：19th switching tube Q19, the 7th inductance L7 and The anode of first diode D1, the second level of the 19th switching tube Q19 and the first diode D1 are with the described 7th The first end of inductance L7 is electrically connected, and the grid of the 19th switching tube Q19 is electrically connected with the control module, and the described 19th The cathode of the first order of switching tube Q19 and the first diode D1 form the first end of the regulator circuit 16, and the described 7th The cathode of the second end of inductance L7 and the first diode D1 form the second end of the regulator circuit 16.Wherein, control is passed through Grid input of the molding block to the 19th switching tube Q19 can cause its voltage turned on, so as to fulfill leading for regulator circuit 16 Logical and cut-off.
Wherein, as shown in figure 5, closing pipe Q16, the 17th switching tube Q17, the tenth by the 15th switching tube Q15, sixteenmo The regulator circuit 16 that eight switching tube Q18 and the 5th inductance L5 are formed belongs to step-up/step-down circuit, and specific its is used to boost or is depressured, To the low tension battery 5 connected behind needed for voltage it is related.When the voltage exported from the second ac-dc conversion circuit 14 is low Needed for charging in low tension battery 5 during voltage, then raising voltage acts on regulator circuit 16；When from the second ac-dc conversion circuit The voltages of 14 outputs less than low tension battery 5 charge required voltage when, regulator circuit 16 then plays antihypertensive effect.
And as shown in fig. 6, the regulator circuit being made of the 19th switching tube Q19, the first diode D1 and the 7th inductance L7 16 belong to reduction voltage circuit.
In addition, it is not limited to form shown in Fig. 5 and Fig. 6 for the specific composition form of regulator circuit 16.
Further, as shown in figure 5, the Vehicular power system in the utility model embodiment may also include the first filtered electrical One or more of road 23, the second filter circuit 17, the 3rd filter circuit 18 and the 4th filter circuit 19 circuit, wherein, the One filter circuit 23 is connected between the 3rd ac-dc conversion circuit 22 and DC-AC conversion circuit 11, the second filtered electrical Road 17 is connected between the first ac-dc conversion circuit 13 and high-tension battery bag 4, and the 3rd filter circuit 18 is connected to the second friendship Between stream-DC transfer circuit 14 and regulator circuit 16, the 4th filter circuit 19 is connected to regulator circuit 16 and low tension battery 5 Between.
Wherein, the first filter circuit 23 is used to the voltage that the 3rd ac-dc conversion circuit 22 exports being filtered place Reason, ensures output voltage stabilization；Second filter circuit 17 is used to export the first ac-dc conversion circuit 13 to high-tension battery The voltage of bag 4 is filtered processing, ensures output voltage stabilization；3rd filter circuit 18 is used for the second AC-DC converter The voltage that circuit 14 exports is filtered processing, ensures output voltage stabilization；4th filter circuit 19 is used for regulator circuit 16 The voltage of output is filtered processing, ensures output to the voltage stabilization of low tension battery 5.
Specifically, as shown in figure 5, the first filter circuit 23 is by the second capacitance C2, the 3rd capacitance C3, the 4th capacitance C4 and Five capacitance C5 are formed in parallel；Second filter circuit 17 is formed in parallel by the 6th capacitance C6 and the 7th capacitance C7；3rd filter circuit 18 are formed in parallel by the 8th capacitance C8 and the 9th capacitance C9；4th filter circuit 19 is by the tenth capacitance C10 and the 11st capacitance C11 It is formed in parallel., wherein it is desired to it is noted that specific composition form for above-mentioned each filter circuit, it is not limited to this.
Preferably, the Vehicular power system of the utility model embodiment further includes：For what the user received was sent Wireless charging signal and wired charging signal transmission give the wireless communication module of the control module, the wireless communication module with The control module is electrically connected.
Wherein, user can send wireless charging signal and wired charging signal by terminal device to wireless communication module. When wireless communication module receives wireless charging signal, then by the wireless charging signal transmission to control module so that control Module control DC-AC conversion circuit 11, the first ac-dc conversion circuit 13 and the second ac-dc conversion circuit 14 Conducting, the 3rd ac-dc conversion circuit 22 ends, so as to carry out wireless charging；When wireless communication module has received micro USB During electric signal, then by the wired charging signal transmission to control module so that control module controls DC-AC conversion circuit 11st, the first ac-dc conversion circuit 13, the second ac-dc conversion circuit 14 and the 3rd ac-dc conversion circuit 22 are led It is logical, so as to carry out wired charging.
In addition, it should be noted that the first order of all switching tubes referred to herein is wherein one in drain electrode and source electrode Pole, and the second level is the other pole in drain electrode and source electrode.
The embodiment of the utility model additionally provides a kind of electric automobile, including Vehicular power system described above.
The 3rd ac-dc conversion circuit 22, DC-AC conversion circuit 11 included by above-mentioned Vehicular power system, Transformer 12, the first ac-dc conversion circuit 13, the second ac-dc conversion circuit 14 and the first controlling switch 32 can To be referred to as car end all-in-one machine 7, then the modules included by above-mentioned Vehicular power system can be divided into again：Charging socket 21, Receiving coil 31, high-tension battery bag 4, low tension battery 5 and car end all-in-one machine 7, then arrangement of these modules on electric automobile Position is as shown in Figure 7.
Wherein, as shown in Figure 7, when carrying out wireless charging, wireless charging ground power converting means 9 and emission lines are passed through The cooperation of circle 10 so that transmitting coil 10 launches magnetic field energy, then by electric automobile close to transmitting coil 10, so that electric Receiving coil 31 on electrical automobile can receive the magnetic field energy, can just carry out wireless charging；, will when carrying out wired charging After charging socket 21 is connected with extraneous charging plug, wired charging can be just carried out.
Further, since Vehicular power system described above is collected wired charging function and wireless charging function Into, same DC-DC transfer circuit is shared, thus the electric automobile of the utility model embodiment is effectively simplified circuit, Cost is reduced, while solves the difficult arrangement at car end.
In the description of the utility model, it is to be understood that the indicating position such as term " on ", " under ", "left", "right" or Position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplifies description, Rather than the device or element of instruction or hint meaning must have specific orientation and specific azimuth configuration and operation, It is thus impossible to it is interpreted as the limitation to the utility model.In addition, " first ", " second " are merely due to describe purpose, and be not understood that To indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Therefore, define " first ", One or more this feature can be expressed or be implicitly included to the feature of " second ".In the description of the utility model, unless It is otherwise noted, " multiple " are meant that two or more.
, it is necessary to illustrate in the description of the utility model, unless otherwise clearly defined and limited, term " installation " " connected " " connection " etc. should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected Connect；Can mechanically connect or be electrically connected；It can be directly connected, can also be indirectly connected with by intermediary, can To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition Concrete meaning in the utility model.
Above-described embodiment is described in reference to the drawings, other different forms and embodiment are also possible without departing from this The principle of utility model, therefore, the utility model should not be construed as the limitation of embodiment is proposed at this.More properly Say, these embodiments are provided so that the utility model can be perfect and complete, and can be communicated to the scope of the utility model Those skilled in the art.In the accompanying drawings, it is exaggerated for the sake of perhaps size of components and relative size are based on clearly.Used at this Term be based only on description specific embodiment purpose, be not intended to become limitation use.Term "comprising" and/or " comprising " are using When this specification, represent the presence of the feature, integer, component and/or component, but be not excluded for one or more further features, Integer, component, component and/or the presence of its group or increase.Unless otherwise indicated, narrative tense, a value scope include the scope Bound and any subrange therebetween.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement The scope of protection of the utility model is also should be regarded as with retouching.

Claims (16)

  1. A kind of 1. Vehicular power system, it is characterised in that including：
    DC-DC transfer circuit, the DC-DC transfer circuit include：DC-AC conversion circuit, transformer, first Ac-dc conversion circuit, the second ac-dc conversion circuit, the transformer include first port, second port and the 3rd Port, the second end of the DC-AC conversion circuit are electrically connected with the first port of the transformer, and the of the transformer Two-port netwerk is electrically connected with the first end of first ac-dc conversion circuit, the 3rd port of the transformer and described the The first end of two ac-dc conversion circuits is electrically connected；
    High-tension battery bag, the high-tension battery bag are electrically connected with the second end of first ac-dc conversion circuit；
    Low tension battery, the low tension battery are electrically connected with the second end of second ac-dc conversion circuit；
    Wired charging circuit, the wired charging circuit include the 3rd ac-dc conversion circuit and for electric with charging plug The charging socket of connection, the first end of the 3rd ac-dc conversion circuit are electrically connected with the charging socket, and the described 3rd The second end of ac-dc conversion circuit is electrically connected with the first end of the DC-AC conversion circuit；
    Wireless charging circuit, the energy that the wireless charging circuit is transmitted including the first controlling switch and for receiving magnetic field connect Take-up circle, the receiving coil and first controlling switch are connected on the second end of the DC-AC conversion circuit.
  2. 2. Vehicular power system according to claim 1, it is characterised in that further include：
    For controlling the DC-AC conversion circuit, first ac-dc conversion circuit, second AC-DC Translation circuit, the 3rd ac-dc conversion circuit conducting with cut-off control module, the control module respectively with it is described DC-AC conversion circuit, first ac-dc conversion circuit, second ac-dc conversion circuit and described Three ac-dc conversion circuits are electrically connected.
  3. 3. Vehicular power system according to claim 2, it is characterised in that the DC-AC conversion circuit includes the One switching tube, second switch pipe, the 3rd switching tube and the 4th switching tube, the first order of the first switch pipe are opened with described second The first order for closing pipe is electrically connected, and the second level of the 3rd switching tube is electrically connected with the second level of the 4th switching tube, described The second level of first switch pipe is electrically connected with the first order of the 3rd switching tube, the second level of the second switch pipe with it is described The first order of 4th switching tube is electrically connected, and the grid of the first switch pipe, the grid of the second switch pipe, the described 3rd open The grid of the grid and the 4th switching tube that close pipe is electrically connected with the control module respectively；
    Wherein, the first order of the first switch pipe and the second level of the 3rd switching tube form the DC-AC conversion The first end of circuit；
    The second level of the first switch pipe and the second level of the second switch pipe form the DC-AC conversion circuit Second end.
  4. 4. Vehicular power system according to claim 2, it is characterised in that the first ac-dc conversion circuit bag Include the 5th switching tube, the 6th switching tube, the 7th switching tube and the 8th switching tube, the first order of the 5th switching tube and described the The first order of six switching tubes is electrically connected, and the second level of the 7th switching tube is electrically connected with the second level of the 8th switching tube, The second level of 5th switching tube is electrically connected with the first order of the 7th switching tube, the second level of the 6th switching tube with The first order of 8th switching tube is electrically connected, the grid of the 5th switching tube, the grid of the 6th switching tube, described the The grid of the grid of seven switching tubes and the 8th switching tube is electrically connected with the control module respectively；
    Wherein, the second level of the 5th switching tube forms first AC-DC with the second level of the 6th switching tube The first end of translation circuit；
    The first order of 6th switching tube and the second level of the 8th switching tube, form first AC-DC converter The second end of circuit.
  5. 5. Vehicular power system according to claim 2, it is characterised in that the transformer includes the first winding, second Winding, the tertiary winding and the 4th winding, two ports of first winding form the first port, second winding Two ports form the second port, and two ports after the tertiary winding and the 4th windings in series form described Three ports.
  6. 6. Vehicular power system according to claim 5, it is characterised in that the second ac-dc conversion circuit bag The 9th switching tube and the tenth switching tube are included, the second level and the second level of the tenth switching tube of the 9th switching tube are electrically connected Connect, the grid of the 9th switching tube and the grid of the tenth switching tube are electrically connected with the control module respectively；
    Wherein, the first order of the 9th switching tube forms second AC-DC with the first order of the tenth switching tube The first end of translation circuit；
    The connecting pin of the second level of 9th switching tube and the second level of the tenth switching tube, and the tertiary winding and institute The connecting pin of the 4th winding is stated, forms the second end of second ac-dc conversion circuit.
  7. 7. Vehicular power system according to claim 2, it is characterised in that the 3rd ac-dc conversion circuit bag Include the 11st switching tube, the 12nd switching tube, the 13rd switching tube and the 14th switching tube, the first of the 11st switching tube Level is electrically connected with the first order of the 12nd switching tube, the second level and the 14th switching tube of the 13rd switching tube The second level be electrically connected, the second level of the 11st switching tube is electrically connected with the first order of the 13rd switching tube, described The second level of 12nd switching tube is electrically connected with the first order of the 14th switching tube, the grid of the 11st switching tube, The grid of the grid of 12nd switching tube, the grid of the 13rd switching tube and the 14th switching tube respectively with institute State control module electrical connection；
    Wherein, the second level of the 11st switching tube and the second level of the 12nd switching tube, formation the 3rd exchange- The first end of DC transfer circuit；
    The first order of 12nd switching tube and the second level of the 14th switching tube, form the 3rd AC-DC The second end of translation circuit.
  8. 8. Vehicular power system according to claim 7, it is characterised in that the wired charging circuit further includes the first electricity The first end of sense and the second inductance, the first end of first inductance and second inductance is electrically connected with the charging socket respectively Connect, the second end of first inductance is electrically connected with the second level of the 11st switching tube, the second end of second inductance It is electrically connected with the second level of the 12nd switching tube.
  9. 9. Vehicular power system according to claim 1, it is characterised in that the high-tension battery bag is handed over described first The second controlling switch is in series between stream-DC transfer circuit.
  10. 10. Vehicular power system according to claim 1, it is characterised in that further include：
    Resonance circuit, the first end of the resonance circuit is electrically connected with the second end of the DC-AC conversion circuit, described humorous The second end of circuit of shaking is electrically connected with the first port of the transformer.
  11. 11. Vehicular power system according to claim 10, it is characterised in that the resonance circuit includes：3rd inductance With the first capacitance, the first end of the 3rd inductance forms the first of the resonance circuit with the first end of first capacitance End, the second end of the 3rd inductance form the second end of the resonance circuit with the second end of first capacitance.
  12. 12. Vehicular power system according to claim 2, it is characterised in that further include：
    Regulator circuit, the first end of the regulator circuit are electrically connected with the second end of second ac-dc conversion circuit, institute The second end for stating regulator circuit is electrically connected with the low tension battery, and the regulator circuit is also electrically connected with the control module.
  13. 13. Vehicular power system according to claim 12, it is characterised in that the regulator circuit includes：15th opens Guan Guan, sixteenmo close pipe, the 17th switching tube, eighteenmo close pipe and the 5th inductance, and the second of the 15th switching tube The first end of level and the first order of the 17th switching tube respectively with the 5th inductance is electrically connected, and the sixteenmo closes pipe The first order and the eighteenmo close second end of the first order respectively with the 5th inductance of pipe and be electrically connected, the described 18th The second level of switching tube is electrically connected with the second level of the 17th switching tube, the grid of the 15th switching tube, described Sixteenmo close the grid of pipe, the grid of the 17th switching tube, the eighteenmo close pipe grid respectively with the control Module is electrically connected；
    Wherein, the first order of the 15th switching tube forms the regulator circuit with the second level of the 17th switching tube First end, the sixteenmo closes the second level of pipe and the eighteenmo closes the second level of pipe and forms the of the regulator circuit Two ends.
  14. 14. Vehicular power system according to claim 12, it is characterised in that the regulator circuit includes：19th opens Guan Guan, the 7th inductance and the first diode, the second level of the 19th switching tube and the anode of first diode with The first end of 7th inductance is electrically connected, and the grid of the 19th switching tube is electrically connected with the control module, and described the The cathode of the first order of 19 switching tubes and first diode forms the first end of the regulator circuit, the 7th inductance The cathode of second end and first diode form the second end of the regulator circuit.
  15. 15. Vehicular power system according to claim 2, it is characterised in that further include：
    For the nothing of the wireless charging signal and wired charging signal transmission that send the user received to the control module Line communication module, the wireless communication module are electrically connected with the control module.
  16. 16. a kind of electric automobile, it is characterised in that including such as claim 1 to 15 any one of them Vehicular power system.
CN201721425407.4U 2017-10-31 2017-10-31 Vehicle-mounted power supply system and electric automobile Active CN207339384U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108819779A (en) * 2018-07-06 2018-11-16 北京新能源汽车股份有限公司 Charging system and electric automobile
WO2020042643A1 (en) * 2018-08-29 2020-03-05 Huawei Technologies Co., Ltd. In-band communication during wireless battery charging
CN111355292A (en) * 2018-12-24 2020-06-30 比亚迪股份有限公司 Electric automobile, charger of electric automobile and control method of charger
CN113541331A (en) * 2021-07-21 2021-10-22 成都市易冲半导体有限公司 Self-adaptive low-voltage starting circuit and method for low-inductance wireless charging system
US11289936B2 (en) 2018-08-29 2022-03-29 Huawei Technologies Co., Ltd. Wireless battery charging with improved efficiency
US11342799B2 (en) 2018-11-21 2022-05-24 Huawei Digital Power Technologies Co., Ltd. Out-of-band communication during wireless battery charging

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108819779A (en) * 2018-07-06 2018-11-16 北京新能源汽车股份有限公司 Charging system and electric automobile
WO2020042643A1 (en) * 2018-08-29 2020-03-05 Huawei Technologies Co., Ltd. In-band communication during wireless battery charging
US11239708B2 (en) 2018-08-29 2022-02-01 Huawei Technologies Co., Ltd. In-band communication during wireless battery charging
US11289936B2 (en) 2018-08-29 2022-03-29 Huawei Technologies Co., Ltd. Wireless battery charging with improved efficiency
US11342799B2 (en) 2018-11-21 2022-05-24 Huawei Digital Power Technologies Co., Ltd. Out-of-band communication during wireless battery charging
CN111355292A (en) * 2018-12-24 2020-06-30 比亚迪股份有限公司 Electric automobile, charger of electric automobile and control method of charger
CN111355292B (en) * 2018-12-24 2022-01-07 比亚迪股份有限公司 Electric automobile, charger of electric automobile and control method of charger
CN113541331A (en) * 2021-07-21 2021-10-22 成都市易冲半导体有限公司 Self-adaptive low-voltage starting circuit and method for low-inductance wireless charging system

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