CN207926248U - Vehicle power supply and vehicle - Google Patents
Vehicle power supply and vehicle Download PDFInfo
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- CN207926248U CN207926248U CN201820380937.XU CN201820380937U CN207926248U CN 207926248 U CN207926248 U CN 207926248U CN 201820380937 U CN201820380937 U CN 201820380937U CN 207926248 U CN207926248 U CN 207926248U
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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
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
The utility model discloses a kind of vehicle power supply and vehicle, the vehicle power supply includes：The input terminal of circuit of power factor correction, circuit of power factor correction is connected with AC power；The inverter circuit being connected with the output end of circuit of power factor correction；Transformer, including the first winding, the second winding and the tertiary winding, the first winding are connected with the output end of inverter circuit；The input terminal of two-way AC/DC circuits, two-way AC/DC circuits is connected with the second winding, and the output end of two-way AC/DC circuits is connected with high voltage power battery；The input terminal of rectification circuit, rectification circuit is connected with the tertiary winding；Buck circuits, the input terminal of Buck circuits are connected with the output end of rectification circuit, and the output end of Buck circuits is connected with low tension battery.The vehicle power supply can not only realize multiple-channel output to realize different function, and can effectively reduce component and use number, reduce overall volume and reduce cost.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of vehicle power supply and a kind of with the vehicle power supply
Vehicle.
Background technology
Vehicle power supply in electric vehicle includes two kinds of products, respectively Vehicular charger (abbreviation OBC) and vehicle-mounted DC/
DC.Wherein, OBC is that the alternating current of power grid is converted into high voltage direct current, is vehicle power battery charging；Vehicle-mounted DC/DC be by
The high-voltage electricity of power battery is converted into the low pressure 12V electricity of accumulator, is vehicle electric power supply.Both products are from circuit structure
It is divided into two systems in electric vehicle, not more using only component, production cost is high, and installation is inconvenient, makes
It is more with harness, and occupy larger interior space.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of vehicle power supply with first novel purpose, can not only realizes multiple-channel output to realize different function, and
And component can be effectively reduced and use number, reduce overall volume and reduce cost.
Second purpose of the utility model is to propose a kind of vehicle.
To achieve the above object, the utility model first aspect proposes a kind of vehicle power supply, including：PFC
The input terminal of circuit, the circuit of power factor correction is connected with AC power；With the output of the circuit of power factor correction
The connected inverter circuit in end；Transformer, the transformer include the first winding, the second winding and the tertiary winding, described first around
Group is connected with the output end of the inverter circuit；Two-way AC/DC circuits, the input terminal of the two-way AC/DC circuits and described the
Two windings are connected, and the output end of the two-way AC/DC circuits is connected with high voltage power battery；Rectification circuit, the rectification circuit
Input terminal be connected with the tertiary winding；Buck circuits, the output of the input terminal and the rectification circuit of the Buck circuits
End is connected, and the output end of the Buck circuits is connected with low tension battery；Control circuit, the control circuit respectively with the work(
Rate factor correcting circuit, the inverter circuit, the two-way AC/DC circuits, the rectification circuit are connected with the Buck circuits,
Wherein, when the control circuit, which controls the vehicle power supply, is in charge mode, the electric energy of the AC power is described in
Circuit of power factor correction, the inverter circuit, first winding, second winding and the two-way AC/DC circuits pass
The high voltage power battery is transported to, and passes through the circuit of power factor correction, the inverter circuit, first winding, institute
The tertiary winding, the rectification circuit and the Buck circuit transmissions are stated to the low tension battery；When the control circuit controls
When the vehicle power supply is in discharge mode, the electric energy of the high voltage power battery passes through the two-way AC/DC circuits, described
Two windings, the tertiary winding, the rectification circuit and the Buck circuit transmissions are to the low tension battery.
The input terminal of circuit of power factor correction is connected by vehicle power supply according to the present utility model with AC power, inverse
Become circuit be connected respectively with the first winding of the output end of circuit of power factor correction and transformer, two-way AC/DC circuits it is defeated
Enter end with the second winding of transformer to be connected, the output end of two-way AC/DC circuits is connected with high voltage power battery, rectification circuit
Input terminal is connected with the tertiary winding of transformer, and the input terminal of Buck circuits is connected with the output end of rectification circuit, Buck circuits
Output end be connected with low tension battery, and pass through control circuit control circuit of power factor correction, inverter circuit, two-way AC/
DC circuits, rectification circuit and Buck circuits are so that vehicle power supply is in charge mode and discharge mode, and the power supply can not only as a result,
Multiple-channel output is enough realized to realize different function, and component can be effectively reduced and use number, reduces overall volume and drop
Low cost.
In addition, vehicle power supply according to the present utility model can also have following additional technical characteristic：
Specifically, the circuit of power factor correction includes：First inductance and the second inductance, one end of first inductance
One end with second inductance is respectively as the first input end of the circuit of power factor correction and the second input terminal and institute
The input terminal correspondence for stating AC power is connected；First to fourth switching tube, the first pole and the second switch pipe of first switch pipe
First is extremely connected and there is first node, the first pole of third switching tube to be extremely connected with the first of the 4th switching tube and have second
Node, the first node and the second node are another with the other end of first inductance and second inductance respectively
End is corresponding to be connected, the second pole of the first switch pipe be used as after being extremely connected with the second of the third switching tube power because
First output end of number correcting circuit, the second pole of the second switch pipe is made after being extremely connected with the second of the 4th switching tube
For the second output terminal of the circuit of power factor correction, the control pole of first to fourth switching tube respectively with the control
Circuit is connected；First capacitance, first capacitance are connected in parallel on the first output end of the circuit of power factor correction and second defeated
Between outlet.
Specifically, the inverter circuit includes：5th to the 8th switching tube, the first pole of the 5th switching tube with it is described
The first of 6th switching tube is extremely connected and has third node, the first pole and the 8th switching tube of the 7th switching tube
After first is extremely connected and there is fourth node, the second pole of the 5th switching tube to be extremely connected with the second of the 7th switching tube
As the first input end of the inverter circuit, the second pole phase of the second pole and the 8th switching tube of the 6th switching tube
The control pole of the second input terminal after even as the inverter circuit, the 5th to the 8th switching tube is electric with the control respectively
Road is connected；One end of second capacitance, second capacitance is connected with the fourth node, the other end conduct of second capacitance
First output end of the inverter circuit is connected with one end of first winding, and the third node is as the inverter circuit
Second output terminal be connected with the other end of first winding.
Further, the inverter circuit further includes：Third inductance, the third inductance are connected with second capacitance.
Specifically, the two-way AC/DC circuits include：9th to the 12nd switching tube, the first pole of the 9th switching tube with
The first of tenth switching tube is extremely connected and has the 5th node, the first pole of the 11st switching tube and the first of the 12nd switching tube
Extremely be connected and with the 6th node, the 5th node and the 6th node respectively as the two-way AC/DC circuits the
One input terminal and the second input terminal it is corresponding with the both ends of the second winding be connected, the second pole of the 9th switching tube with it is described
The first output end as the two-way AC/DC circuits after the second of 11st switching tube is extremely connected, the tenth switching tube
Second output terminal as the two-way AC/DC circuits after second pole is extremely connected with the second of the 12nd switching tube, it is described
The control pole of 9th to the 12nd switching tube is connected with the control circuit respectively；Third capacitance, the third capacitance are connected in parallel on
Between the first output end and second output terminal of the two-way AC/DC circuits.
Further, the two-way AC/DC circuits further include：Concatenated 4th capacitance and the 4th inductance, the 4th electricity
Hold and the 4th inductance is connected between the 5th node and one end of second winding or the 6th node and described the
Between the other end of two windings.
Specifically, the rectification circuit includes：13rd switching tube and the 14th switching tube, the 13rd switching tube
First pole is connected as the first input end of the rectification circuit with one end of the tertiary winding, the 14th switching tube
First pole is connected as the second input terminal of the rectification circuit with the other end of the tertiary winding, the 13rd switching tube and
The control pole of 14 switching tubes is connected with the control circuit respectively；5th capacitance, described in one end of the 5th capacitance is used as
The third input terminal and the first output end of rectification circuit are connected with the centre cap of the tertiary winding, the 5th capacitance it is another
It is opened as second pole and described ten four of the second output terminal respectively with the 13rd switching tube of the rectification circuit one end
Close pipe second is extremely connected.
Specifically, the Buck circuits include：15th switching tube, described in the first pole of the 15th switching tube is used as
The control pole of the first input end of Buck circuits, the 15th switching tube is connected with the control circuit；5th inductance, it is described
One end of 5th inductance is extremely connected with the second of the 15th switching tube, and the other end of the 5th inductance is as the Buck
First output end of circuit；First diode, the cathode of first diode respectively with the 15th switching tube second
Pole is connected with one end of the 5th inductance, the anode of first diode as the Buck circuits the second input terminal and
Second output terminal；6th capacitance, the 6th capacitance be connected in parallel on the first output end of the Buck circuits and second output terminal it
Between.
To achieve the above object, the utility model second aspect proposes a kind of vehicle comprising above-mentioned vehicle power supply.
The vehicle of the utility model can not only realize multiple-channel output to realize different work(by above-mentioned vehicle power supply
Can, and component can be effectively reduced and use number, reduce overall volume and reduce cost, and then reduce integral vehicle cost and
Interior occupied space.
Description of the drawings
Fig. 1 is the block diagram according to the vehicle power supply of the utility model one embodiment；
Fig. 2 is power transmission figure when being in charge mode according to the vehicle power supply of the utility model one embodiment；
Fig. 3 is power transmission figure when being in discharge mode according to the vehicle power supply of the utility model one embodiment；With
And
Fig. 4 is the topological diagram according to the vehicle power supply of the utility model one embodiment.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
It describes the vehicle power supply proposed according to the utility model embodiment with reference to the accompanying drawings and there is the vehicle power supply
Vehicle.
Fig. 1 is the block diagram according to the vehicle power supply of the utility model one embodiment.As shown in Figure 1, this is vehicle-mounted
Power supply may include：Circuit of power factor correction 10, inverter circuit 20, transformer 30, two-way AC/DC circuits 40, rectification circuit 50,
Buck circuits 60 and control circuit (not shown).
Wherein, the input terminal of circuit of power factor correction 10 is connected with AC power.Inverter circuit 20 and power factor school
The output end of positive circuit 10 is connected.Transformer 30 includes the first winding N1, the second winding N2 and the tertiary winding N3, the first winding N1
It is connected with the output end of inverter circuit 20.The input terminal of two-way AC/DC circuits 40 is connected with the second winding N2, two-way AC/DC electricity
The output end on road 40 is connected with high voltage power battery HVDC.The input terminal of rectification circuit 50 is connected with tertiary winding N3.Buck electricity
The input terminal on road 60 is connected with the output end of rectification circuit 50, and the output end of Buck circuits 60 is connected with low tension battery LV.Control
Circuit processed is electric with circuit of power factor correction 10, inverter circuit 20, two-way AC/DC circuits 40, rectification circuit 50 and Buck respectively
Road 60 is connected.
Wherein, when control circuit control vehicle power supply is in charge mode, the electric energy of AC power passes through power factor
Correcting circuit 10, inverter circuit 20, the first winding N1, the second winding N2 and two-way AC/DC circuits 40 are transmitted to high voltage power electricity
Pond HVDC, and pass through circuit of power factor correction 10, inverter circuit 20, the first winding N1, tertiary winding N3,50 and of rectification circuit
Buck circuits 60 are transmitted to low tension battery LV；When control circuit control vehicle power supply is in discharge mode, high voltage power electricity
The electric energy of pond HVDC passes through two-way AC/DC circuits 40, the second winding N2, tertiary winding N3, rectification circuit 50 and Buck circuits 60
It is transmitted to low tension battery LV.
Specifically, first when control circuit control vehicle power supply is in charge mode, i.e., accordingly realizes charge function
First, it is direct current by the AC rectification of AC power by circuit of power factor correction 10, and will be straight by inverter circuit 20
Galvanic electricity becomes alternating current.When alternating current is applied to the first winding both ends N1 of transformer 30, make to be connected with friendship in the first winding N1
Galvanic electricity stream will produce exchange flux in the iron core (or magnetic core) of transformer 30 so that feel in the second winding N2 and tertiary winding N3
Alternating voltage should be gone out, in other words, transformer 30 is using electromagnetic induction principle so as to feel in the second winding N2 and tertiary winding N3
Alternating voltage should be gone out.Then, it is high voltage direct current by the ac voltage rectifier at the second both ends winding N2 by two-way AC/DC circuits 40
Voltage (two-way AC/DC circuits 40 are in rectification working condition at this time), to give high voltage power circuit HVDC to charge.Meanwhile passing through
The ac voltage rectifier at the both ends tertiary winding N3 is DC voltage by rectification circuit 50, and by Buck circuits 60 by DC voltage
It is reduced to low-voltage dc voltage such as 12V, to give low tension battery LV to charge.Above-mentioned power transmission can be summarized as Fig. 2 as a result,
When vehicle power supply is to realize charge mode, electric energy is mainly by alternating current transmission to high voltage power battery HVDC, as main output
Access, while tertiary winding N3 is open loop output, electric energy is by alternating current transmission to low tension battery LV, as another access, with
Meets the needs of accumulator LV is to voltage.
When control circuit control vehicle power supply be in discharge mode, i.e., corresponding realization discharging function when, power factor school
Positive circuit 10 and inverter circuit 20 are stopped, and two-way AC/DC circuits 40 turn the high voltage direct current of high voltage power circuit HVDC
It is changed to alternating current (two-way AC/DC circuits 40 are in inversion working condition at this time).When alternating current is applied to the second of transformer 30
When the winding both ends N2, it is connected with alternating current in the second winding N2, will produce exchange flux in the iron core (or magnetic core) of transformer 30,
So that inducing alternating voltage in tertiary winding N3, in other words, transformer 30 is using electromagnetic induction principle so that the tertiary winding
Alternating voltage is induced in N3.Then, it is direct current by ac voltage rectifier by rectification circuit 50, and passes through Buck circuits 60
Direct current is reduced to low-voltage dc voltage, such as 12V, to give low tension battery LV to charge.Above-mentioned power transmission can be summarized as a result,
For Fig. 3, when vehicle power supply is to realize discharge mode, the output voltage of high voltage power battery HVDC controls for Voltage loop, high pressure
The electric energy of power battery HVDC passes through two-way AC/DC circuits 40, the second winding N2, tertiary winding N3, rectification circuit 50 and Buck
Circuit 60 is transmitted to low tension battery LV, to meet the needs of accumulator LV is to voltage.
To sum up, by the Integrated design of transformer, traditional Vehicular charger and vehicle-mounted DC/DC are integrally disposed in one
In circuit topology, sharing for power device is realized, and can be controlled entire circuit by same main control chip, reduced
The number of component, reduces machine volume, reduces cost.
It is described further with reference to the specific example of the utility model.
Specifically, as shown in figure 4, circuit of power factor correction 10 may include：First inductance L1, the second inductance L2, first
Switching tube Q1 is to the 4th switching tube Q4 and the first capacitance C1.Wherein, one end of the first inductance L1 and one end of the second inductance L2 point
It is corresponding with the input terminal of AC power not connected as the first input end of circuit of power factor correction 10 and the second input terminal.The
The first pole of one switching tube Q1 is extremely connected with the first of second switch pipe Q2 and has a first node J1, and the of third switching tube Q3
One pole is extremely connected with the first of the 4th switching tube Q4 and with second node J2, first node J1 and second node J2 respectively with the
The other end of the other end of one inductance L1 and the second inductance L2, which correspond to, to be connected, the second pole and the third switching tube of first switch pipe Q1
The first output end as circuit of power factor correction 10 after the second of Q3 is extremely connected, the second pole and the 4th of second switch pipe Q2
Second output terminal as circuit of power factor correction 10 after the second of switching tube Q4 is extremely connected, first switch pipe Q1 to the 4th are opened
The control pole for closing pipe Q4 is connected with control circuit respectively.First capacitance C1 is connected in parallel on the first output of circuit of power factor correction 10
Between end and second output terminal.
As shown in figure 4, inverter circuit 20 may include：5th switching tube Q5 is to the 8th switching tube Q8 and the second capacitance C2.Its
In, the first pole of the 5th switching tube Q5 is extremely connected with the first of the 6th switching tube Q6 and has third node J3, the 7th switching tube
The first pole of Q7 is extremely connected with the first of the 8th switching tube Q8 and has a fourth node J4, the second pole of the 5th switching tube Q5 and the
First input end as inverter circuit 20 after the second of seven switching tube Q7 is extremely connected, the second pole and the 8th of the 6th switching tube Q6
The second input terminal as inverter circuit 20 after the second of switching tube Q8 is extremely connected, the 5th switching tube Q5 is to the 8th switching tube Q8's
Control pole is connected with control circuit respectively.One end of second capacitance C2 is connected with fourth node J4, the other end of the second capacitance C2
The first output end as inverter circuit 20 is connected with one end of the first winding N1, third node J3 as inverter circuit 20
Two output ends are connected with the other end of the first winding N1.
Further, as shown in figure 4, inverter circuit 20 may also include：Third inductance L3, third inductance L3 and the second capacitance
C2 connects.
As shown in figure 4, two-way AC/DC circuits 40 may include：9th switching tube Q9 to the 12nd switching tube Q12 and third electricity
Hold C3.Wherein, the first pole of the 9th switching tube Q9 is extremely connected with the first of the tenth switching tube Q10 and has the 5th node J5, the
The first pole of 11 switching tube Q11 is extremely connected with the first of the 12nd switching tube Q12 and has the 6th node J6, the 5th node J5
With the 6th node J6 respectively as the both ends of the first input end of two-way AC/DC circuits 40 and the second input terminal and the second winding N2
It is corresponding to be connected, the second pole of the 9th switching tube Q9 be extremely connected with the second of the 11st switching tube Q11 after as two-way AC/DC circuits
40 the first output end, the second pole of the tenth switching tube Q10 be extremely connected with the second of the 12nd switching tube Q12 after as two-way
The second output terminal of AC/DC circuits 40, the control pole of the 9th switching tube Q9 to the 12nd switching tube Q12 respectively with control circuit phase
Even.Third capacitance C3 is connected in parallel between the first output end and second output terminal of two-way AC/DC circuits 40.
Further, as shown in figure 4, two-way AC/DC circuits 40 may also include：Concatenated 4th capacitance C4 and the 4th inductance
L4, the 4th capacitance C4 and the 4th inductance L4 be connected between the 5th node J5 and one end of the second winding N2 or the 6th node J6 with
Between the other end of second winding N2.It should be noted that by the 4th capacitance C4 that is arranged in two-way AC/DC circuits 40 and
4th inductance L4 can widen the width of two-way 40 output voltage range of AC/DC circuits.
As shown in figure 4, rectification circuit 50 may include：13rd switching tube Q13, the 14th switching tube Q14 and the 5th capacitance
C5.Wherein, the first pole of the 13rd switching tube Q13 is as the first input end of rectification circuit 50 and one end phase of tertiary winding N3
Even, the first pole of the 14th switching tube Q14 is connected as the second input terminal of rectification circuit 50 with the other end of tertiary winding N3,
The control pole of 13rd switching tube Q13 and the 14th switching tube Q14 is connected with control circuit respectively.5th capacitance C5, the 5th electricity
The one end for holding C5 is connected as the third input terminal of rectification circuit 50 and the first output end with the centre cap of tertiary winding N3, the
Second output terminal respectively second pole and tenth with ten three switching tube Q13 of the other end of five capacitance C5 as rectification circuit 50
The second of four switching tube Q14 is extremely connected.It should be noted that because of the 4th capacitance C4 and the 4th in two-way AC/DC circuits 40
The effect of inductance L4, so being filtered to rectification circuit 50 it is not necessary that rectifying and wave-filtering inductance is arranged in rectification circuit 50, in this way
The loss of circuit can be reduced.
Buck circuits 60 may include：15th switching tube Q15, the 5th inductance L5, the first diode D1 and the 6th capacitance C6.
Wherein, first input end of the first pole of the 15th switching tube Q15 as Buck circuits 60, the control of the 15th switching tube Q15
Pole is connected with control circuit.One end of 5th inductance L5 is extremely connected with the second of the 15th switching tube Q15, and the 5th inductance L5's is another
First output end of the one end as Buck circuits 60.The cathode of first diode D1 respectively with the 15th switching tube Q15 second
Pole is connected with one end of the 5th inductance L5, and the anode of the first diode D1 is defeated as the second input terminal of Buck circuits 60 and second
Outlet.6th capacitance C6 is connected in parallel between the first output end of Buck circuits 60 and second output terminal.
Wherein, control signal is sent out to the control pole of first switch pipe Q1 to the 14th switching tube Q14 by control circuit,
To control first switch pipe Q1 to the turn-on and turn-off of the 14th switching tube Q14, so that vehicle power supply carries out charge or discharge, from
And vehicle power supply is made to realize multiple-channel output to realize different functions.
Specifically, when control circuit control vehicle power supply is in charge mode, i.e., accordingly realizes charge function, control
Circuit sends out control signal to the control pole of first switch pipe Q1 to the 8th switching tube Q8, so that circuit of power factor correction 10 has
There are rectified action and inverter circuit 20 that there is reversion reaction, to be direct current by the convert alternating current of AC power, and will be straight
Galvanic electricity becomes alternating current to the first winding N1 of transformer 30.Meanwhile control circuit is switched to the 9th of two-way AC/DC circuits 40 the
The control pole of pipe Q9 to the 12nd switching tube Q12 send out control signal, so that two-way AC/DC circuits 40 are in rectification work shape
State, the ac voltage rectifier at the second both ends winding N2 of transformer 30 is high-voltage dc voltage by two-way AC/DC circuits 40 at this time,
It charges to high voltage power circuit HVDC；Meanwhile control circuit is also opened to the 13rd switching tube Q13 to the 14th of rectification circuit 50
The control pole for closing the 15th switching tube Q15 of pipe Q14 and Buck circuit 60 sends out control signal, so that rectification circuit 50 will become
The ac voltage rectifier at the both ends tertiary winding N3 of depressor 30 is DC voltage, and is depressured DC voltage by Buck circuits 60
For low-voltage dc voltage such as 12V, low tension battery LV chargings are given.
When control circuit control vehicle power supply is in discharge mode, i.e., accordingly realizes discharging function, control circuit control
It makes to the control pole of first switch pipe Q1 to the 8th switching tube Q8 and sends out cut-off signals, so that circuit of power factor correction 10 and inverse
Become circuit 20 to be stopped.Meanwhile control circuit is to the 9th switching tube Q9 to the 12nd switching tube of two-way AC/DC circuits 40
The control pole of Q12 sends out control signal, so that two-way AC/DC circuits 40 are in inversion working condition, by high voltage power circuit
The high voltage direct current inversion of HVDC is alternating current, and is transmitted to the second winding N2 of transformer 30.Meanwhile control circuit is to rectification
The control of 15th switching tube Q15 of the 13rd switching tube Q13 to the 14th switching tube Q14 and Buck circuit 60 of circuit 50
Pole sends out control signal, so that the ac voltage rectifier at the both ends tertiary winding N3 of transformer 30 is direct current by rectification circuit 50
Pressure, and be low-voltage dc voltage such as 12V by DC voltage decompression by Buck circuits 60, give low tension battery LV chargings.
As a result, by the Integrated design of transformer, and the control by control circuit to switching tube in each circuit, lead to
The charging/discharging function of power supply can be realized by crossing same circuit topology.
In conclusion vehicle power supply according to the present utility model, by the input terminal and alternating current of circuit of power factor correction
Source is connected, and inverter circuit is connected with the first winding of the output end of circuit of power factor correction and transformer respectively, two-way AC/DC
The input terminal of circuit is connected with the second winding of transformer, and the output end of two-way AC/DC circuits is connected with high voltage power battery, whole
The input terminal of current circuit is connected with the tertiary winding of transformer, and the input terminal of Buck circuits is connected with the output end of rectification circuit,
The output end of Buck circuits is connected with low tension battery, and by control circuit control circuit of power factor correction, inverter circuit,
Two-way AC/DC circuits, rectification circuit and Buck circuits are so that vehicle power supply is in charge mode and discharge mode, the electricity as a result,
Source can not only realize multiple-channel output to realize different function, while can realize common sparing circuit so that simple installation, body
Product is small, at low cost.
In addition, the embodiments of the present invention also proposed a kind of vehicle comprising above-mentioned vehicle power supply.
The vehicle of the utility model can not only realize multiple-channel output to realize different work(by above-mentioned vehicle power supply
Can, and component can be effectively reduced and use number, reduce overall volume and reduce cost, and then reduce integral vehicle cost and
Interior occupied space.
In the description of the present invention, it should be understood that term "center", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on ... shown in the drawings
Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or
Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be
Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is "above" or "below" second feature
Can be that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature and be directly above or diagonally above the second feature, or only
Indicate that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combines and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (9)
1. a kind of vehicle power supply, which is characterized in that including：
The input terminal of circuit of power factor correction, the circuit of power factor correction is connected with AC power；
The inverter circuit being connected with the output end of the circuit of power factor correction；
Transformer, the transformer include the first winding, the second winding and the tertiary winding, and first winding is electric with the inversion
The output end on road is connected；
The input terminal of two-way AC/DC circuits, the two-way AC/DC circuits is connected with second winding, the two-way AC/DC electricity
The output end on road is connected with high voltage power battery；
Rectification circuit, the input terminal of the rectification circuit are connected with the tertiary winding；
The input terminal of Buck circuits, the Buck circuits is connected with the output end of the rectification circuit, the Buck circuits it is defeated
Outlet is connected with low tension battery；
Control circuit, the control circuit respectively with the circuit of power factor correction, the inverter circuit, the two-way AC/
DC circuits, the rectification circuit are connected with the Buck circuits, wherein
When the control circuit, which controls the vehicle power supply, is in charge mode, the electric energy of the AC power passes through the work(
Rate factor correcting circuit, the inverter circuit, first winding, second winding and the two-way AC/DC circuit transmissions
To the high voltage power battery, and pass through the circuit of power factor correction, inverter circuit, first winding, described
The tertiary winding, the rectification circuit and the Buck circuit transmissions are to the low tension battery；
When the control circuit, which controls the vehicle power supply, is in discharge mode, the electric energy of the high voltage power battery passes through institute
Two-way AC/DC circuits, second winding, the tertiary winding, the rectification circuit and the Buck circuit transmissions are stated to institute
State low tension battery.
2. vehicle power supply as described in claim 1, which is characterized in that the circuit of power factor correction includes：
One end of first inductance and the second inductance, one end of first inductance and second inductance is respectively as the power
The first input end of factor correcting circuit and the second input terminal are corresponding with the input terminal of the AC power connected；
First to fourth switching tube, the first pole of first switch pipe are extremely connected with the first of second switch pipe and have first segment
First pole of point, third switching tube is extremely connected with the first of the 4th switching tube and has second node, the first node and institute
It is corresponding with the other end of first inductance and the other end of the second inductance connected respectively to state second node, described first opens
Second pole of pass pipe exports after being extremely connected with the second of the third switching tube as the first of the circuit of power factor correction
End, the second pole of the second switch pipe are electric as the PFC after being extremely connected with the second of the 4th switching tube
The control pole of the second output terminal on road, first to fourth switching tube is connected with the control circuit respectively；
First capacitance, first capacitance be connected in parallel on the first output end of the circuit of power factor correction and second output terminal it
Between.
3. vehicle power supply as claimed in claim 1 or 2, which is characterized in that the inverter circuit includes：
First pole of the 5th to the 8th switching tube, the 5th switching tube is extremely connected and has with the first of the 6th switching tube
First pole of third node, the 7th switching tube is extremely connected with the first of the 8th switching tube and has fourth node, institute
State the 5th switching tube the second pole be extremely connected with the second of the 7th switching tube after as the inverter circuit first input
End, the second pole of the 6th switching tube be extremely connected with the second of the 8th switching tube after as the inverter circuit second
The control pole of input terminal, the 5th to the 8th switching tube is connected with the control circuit respectively；
One end of second capacitance, second capacitance is connected with the fourth node, and the other end of second capacitance is as institute
The first output end for stating inverter circuit is connected with one end of first winding, and the third node is as the inverter circuit
Second output terminal is connected with the other end of first winding.
4. vehicle power supply as claimed in claim 3, which is characterized in that the inverter circuit further includes：
Third inductance, the third inductance are connected with second capacitance.
5. vehicle power supply as described in claim 1, which is characterized in that the two-way AC/DC circuits include：
First pole of the 9th to the 12nd switching tube, the 9th switching tube is extremely connected with the first of the tenth switching tube and has Section five
First pole of point, the 11st switching tube is extremely connected with the first of the 12nd switching tube and has the 6th node, the 5th node
With the 6th node respectively as the first input end of the two-way AC/DC circuits and the second input terminal and second winding
Both ends correspond to and be connected, described in the second pole of the 9th switching tube is used as after being extremely connected with the second of the 11st switching tube
First output end of two-way AC/DC circuits, the second pole phase of the second pole and the 12nd switching tube of the tenth switching tube
Second output terminal as the two-way AC/DC circuits after even, the control pole of the 9th to the 12nd switching tube respectively with institute
Control circuit is stated to be connected；
Third capacitance, the third capacitance are connected in parallel between the first output end and second output terminal of the two-way AC/DC circuits.
6. vehicle power supply as claimed in claim 5, which is characterized in that the two-way AC/DC circuits further include：
Concatenated 4th capacitance and the 4th inductance, the 4th capacitance and the 4th inductance are connected on the 5th node and described the
Between one end of two windings or between the 6th node and the other end of second winding.
7. vehicle power supply as described in claim 1, which is characterized in that the rectification circuit includes：
13rd switching tube and the 14th switching tube, the first pole of the 13rd switching tube as the rectification circuit first
Input terminal is connected with one end of the tertiary winding, the first pole of the 14th switching tube as the rectification circuit second
Input terminal is connected with the other end of the tertiary winding, the control pole of the 13rd switching tube and the 14th switching tube respectively with it is described
Control circuit is connected；
5th capacitance, one end of the 5th capacitance as the rectification circuit third input terminal and the first output end with it is described
The centre cap of the tertiary winding is connected, the other end of the 5th capacitance as the rectification circuit second output terminal respectively with
Second pole of the 13rd switching tube is extremely connected with the second of the 14th switching tube.
8. vehicle power supply as described in claim 1, which is characterized in that the Buck circuits include：
15th switching tube, the first input end of the first pole of the 15th switching tube as the Buck circuits, described
The control pole of 15 switching tubes is connected with the control circuit；
One end of 5th inductance, the 5th inductance is extremely connected with the second of the 15th switching tube, the 5th inductance
First output end of the other end as the Buck circuits；
First diode, the cathode of first diode respectively with the second pole of the 15th switching tube and the 5th electricity
One end of sense is connected, the second input terminal and second output terminal of the anode of first diode as the Buck circuits；
6th capacitance, the 6th capacitance are connected in parallel between the first output end and second output terminal of the Buck circuits.
9. a kind of vehicle, which is characterized in that include the vehicle power supply as described in any one of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380937.XU CN207926248U (en) | 2018-03-20 | 2018-03-20 | Vehicle power supply and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820380937.XU CN207926248U (en) | 2018-03-20 | 2018-03-20 | Vehicle power supply and vehicle |
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| CN207926248U true CN207926248U (en) | 2018-09-28 |
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| CN201820380937.XU Active CN207926248U (en) | 2018-03-20 | 2018-03-20 | Vehicle power supply and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110086185A (en) * | 2019-04-03 | 2019-08-02 | 北京新能源汽车股份有限公司 | Power-supply system |
| WO2021027648A1 (en) * | 2019-08-15 | 2021-02-18 | 比亚迪股份有限公司 | Electric vehicle, and integrated controller and integrated control system thereof |
| CN112389268A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Electric automobile and integrated controller and integrated control system thereof |
| CN112389267A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Electric automobile and integrated controller and integrated control system thereof |
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| CN113147447A (en) * | 2021-03-17 | 2021-07-23 | 北京动力源科技股份有限公司 | Multifunctional vehicle-mounted charging circuit for electric automobile |
| CN113978280A (en) * | 2020-07-27 | 2022-01-28 | 威马智慧出行科技（上海）有限公司 | Bidirectional charger and vehicle |
| WO2023004952A1 (en) * | 2021-09-14 | 2023-02-02 | 舍弗勒技术股份两合公司 | Vehicle-mounted power supply circuit, and vehicle |
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| CN110086185A (en) * | 2019-04-03 | 2019-08-02 | 北京新能源汽车股份有限公司 | Power-supply system |
| WO2021027648A1 (en) * | 2019-08-15 | 2021-02-18 | 比亚迪股份有限公司 | Electric vehicle, and integrated controller and integrated control system thereof |
| CN112389348A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Electric automobile and integrated controller and integrated control system thereof |
| CN112389268A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Electric automobile and integrated controller and integrated control system thereof |
| CN112389267A (en) * | 2019-08-15 | 2021-02-23 | 比亚迪股份有限公司 | Electric automobile and integrated controller and integrated control system thereof |
| US11865934B2 (en) | 2019-08-15 | 2024-01-09 | Byd Company Limited | Electric vehicle, and integrated controller and integrated control system thereof |
| WO2021056976A1 (en) * | 2019-09-23 | 2021-04-01 | 华为技术有限公司 | Obc and dc/dc circuit, obc, new energy automobile, and charging pile |
| WO2021057195A1 (en) * | 2019-09-23 | 2021-04-01 | 华为技术有限公司 | Obc circuit, obc charger, new energy vehicle, and charging pile |
| CN113978280A (en) * | 2020-07-27 | 2022-01-28 | 威马智慧出行科技（上海）有限公司 | Bidirectional charger and vehicle |
| CN112737344A (en) * | 2020-12-29 | 2021-04-30 | 联合汽车电子有限公司 | Battery charging circuit |
| CN113147447A (en) * | 2021-03-17 | 2021-07-23 | 北京动力源科技股份有限公司 | Multifunctional vehicle-mounted charging circuit for electric automobile |
| CN113147447B (en) * | 2021-03-17 | 2022-08-16 | 北京动力源科技股份有限公司 | Multifunctional vehicle-mounted charging circuit for electric automobile |
| WO2023004952A1 (en) * | 2021-09-14 | 2023-02-02 | 舍弗勒技术股份两合公司 | Vehicle-mounted power supply circuit, and vehicle |
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