CN209046338U - A kind of integrated on-board charger and circuit - Google Patents
A kind of integrated on-board charger and circuit Download PDFInfo
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- CN209046338U CN209046338U CN201821527796.6U CN201821527796U CN209046338U CN 209046338 U CN209046338 U CN 209046338U CN 201821527796 U CN201821527796 U CN 201821527796U CN 209046338 U CN209046338 U CN 209046338U
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Abstract
The utility model embodiment discloses a kind of integrated on-board charger and circuit, including primary side processing circuit, transformer, first it is secondary while processing circuit, second it is secondary while processing circuit, power battery, A-battery, switch K1, switch K2, switch K3And controller, the controller control the switch K1, the switch K2, the switch K3Connected state to carry out energy transmission, the energy transmission includes energy transmission of the alternating current to the energy transmission of the power battery and the A-battery, the energy transmission of the power battery to the A-battery and the alternating current to the A-battery.Be conducive to preferably realize that the energy of alternating current is transferred to A-battery by different processing circuits by the energy that different processing circuits is transferred to power battery and A-battery and power battery and feeds back to power battery.
Description
Technical field
The utility model relates to electric car charging technique fields, and in particular to a kind of integrated on-board charger and circuit.
Background technique
In recent years, in order to protect environment and reduce the use of non-renewable resources, automobile manufacture and application field gradually
Introduce new energy.Electric car is the main force of new-energy automobile, and electric car is divided into pure electric automobile, hybrid vehicle again
And fuel cell car.As new-energy automobile is increasingly becoming the important development direction of future automobile industry, vehicle electronic device
(such as DC/DC converter and integrated Vehicular charger) is in miniaturization, integrated and high power densification trend.Currently, collection
Realize that by alternating current be power battery pack or the function that battery charges at Vehicular charger circuit, but the function is more single
One, it is difficult to meet diversified use demand of the integrated on-board charger in future scene.
Utility model content
The utility model embodiment provides a kind of integrated on-board charger and circuit, it can be achieved that the energy of alternating current is not by
Same processing circuit is transferred to power battery and A-battery and the energy of power battery is transmitted by different processing circuits
To A-battery and feed back to power battery.
In a first aspect, the utility model embodiment provides a kind of integrated on-board charger and circuit, which is characterized in that including
Primary side processing circuit, transformer, the first secondary processing circuit, power battery, A-battery, switch in processing circuit, the second pair
K1, switch K2, switch K3And controller, in which:
The transformer includes primary side winding, iron core, the first vice-side winding and the second vice-side winding, the primary side winding,
First vice-side winding and second vice-side winding are set on the iron core；
Described second secondary side processing circuit includes full-wave rectifying circuit and booster circuit；
The switch K1First interface connect the second end of the primary side processing circuit, the of the primary side processing circuit
One end connects alternating current, the switch K1Second interface connect the primary side winding, the first vice-side winding connection described the
The second end of the first end of one secondary side processing circuit, the described first secondary side processing circuit connects the switch K2First interface,
The switch K2Second interface connect the power battery, second vice-side winding connects the of the full-wave rectifying circuit
The second end of one end, the full-wave rectifying circuit connects the switch K3First interface, the switch K3Second interface connection
The second end of the first end of the booster circuit, the booster circuit connects the A-battery；
The controller controls the switch K1, the switch K2, the switch K3Connected state to carry out energy biography
Defeated, the energy transmission includes the alternating current to the energy transmission of the power battery and the A-battery, the power electric
Pond to the A-battery energy transmission and the alternating current to the A-battery energy transmission；
Total leakage inductance and the primary side winding, described first between first vice-side winding and second vice-side winding
The inversely proportional relationship of overall width of vice-side winding and second vice-side winding.
In a possible example, the controller controls the switch K1First interface and second interface, described
Switch K2First interface and second interface and the switch K3First interface when being connected to second interface, at the primary side
It manages circuit, the transformer and the first secondary side processing circuit and forms the first processing circuit, first processing circuit is used for
By first part's energy transmission of the alternating current to the power battery；The primary side processing circuit, the transformer and described
Second secondary side processing circuit forms second processing circuit, and the second processing circuit is used for the second part energy of the alternating current
It is transferred to the A-battery；The controller controls the switch K2First interface and second interface, the switch K3?
When one interface is connected to second interface, the described first secondary processing circuit in processing circuit, the transformer and second pair
Third processing circuit is formed, the third processing circuit is used for the energy transmission of the power battery to the A-battery；
The controller controls the switch K1First interface and second interface, the switch K3First interface and second interface connect
When logical, the primary side processing circuit, the transformer and the second secondary side processing circuit form fourth process circuit, and described the
Four processing circuits are used for the energy transmission of the alternating current to the A-battery.
In a possible example, the total leakage inductance and the original of first vice-side winding and second vice-side winding
The relational expression of the overall width w of side winding, first vice-side winding and second vice-side winding are as follows:
Wherein, L is the primary side winding, total leakage inductance of first vice-side winding and second vice-side winding, NpFor
The number of turns of the primary side winding, MLT are that the average turn of single turn is long, and b is the difference of the primary side winding and the internal-and external diameter of winding i, institute
Stating winding i is first vice-side winding or second vice-side winding, and w is the primary side winding, first vice-side winding
With the overall width of second vice-side winding.
In a possible example, the distance between first vice-side winding and second vice-side winding range are
5mm-50mm。
In a possible example, the loop construction of the primary side winding and first vice-side winding be sandwich around
Method structure.
In a possible example, the described first secondary side processing circuit includes transistor Q1, transistor Q2, transistor Q3
With transistor Q4, diode D1, diode D2, diode D3, diode D4With first capacitor C1, in which: the transistor Q1's
Drain electrode connects the transistor Q3Drain electrode, the transistor Q3Source electrode connect the transistor Q4Drain electrode, the crystal
Pipe Q4Source electrode connect the transistor Q2Source electrode, the transistor Q2Drain electrode connect the transistor Q1Source electrode；It is described
Diode D1Cathode connect the transistor Q1Drain electrode, the diode D1Anode connect the source electrode of the transistor Q1,
The cathode of the diode D3 connects the drain electrode of the transistor Q3, the diode D3Anode connect the transistor Q3's
Source electrode, the diode D4Cathode connect the transistor Q4Drain electrode, the diode D4Anode connect the transistor
Q4Source electrode, the diode D2Cathode connect the transistor Q2Drain electrode, the diode D2Anode connect the crystalline substance
Body pipe Q2Source electrode；The first capacitor C1First end be separately connected the transistor Q3Source electrode, the diode D3's
Anode, the first capacitor C1Second end be separately connected the transistor Q4Drain electrode and the diode D4Cathode.
In a possible example, the described first secondary side processing circuit includes transistor Q5, transistor Q6, transistor Q7、
Transistor Q8, diode D5, diode D6, diode D7, diode D8, the second capacitor C2With third capacitor C3, in which: the crystalline substance
Body pipe Q5Drain electrode connect the transistor Q7Drain electrode, the transistor Q7Source electrode connect the transistor Q8Drain electrode, institute
State transistor Q8Source electrode connect the transistor Q6Source electrode, the transistor Q6Drain electrode connect the transistor Q5Source
Pole；The diode D5Cathode connect the transistor Q5Drain electrode, the diode D5Anode connect the transistor Q5
Source electrode, the diode D7Cathode connect the transistor Q7Drain electrode, the diode D7Anode connect the crystal
Pipe Q7Source electrode, the diode D8Cathode connect the transistor Q8Drain electrode, the diode D8Anode connection described in
Transistor Q8Source electrode, the diode D6Cathode connect the transistor Q6Drain electrode, the diode D6Anode connection
The transistor Q6Source electrode；The first end of first vice-side winding is separately connected the transistor Q5Source electrode, two pole
Pipe D5Positive, described transistor Q6Drain electrode and the diode D6Cathode, first vice-side winding second end connection
The second capacitor C2First end, the second capacitor C2Second end be separately connected the transistor Q7Source electrode, described
Diode D7Positive, described transistor Q8Drain electrode and the diode D8Cathode, the third capacitor C3Anode respectively
Connect the transistor Q5Drain electrode, the diode D5Cathode, the transistor Q7Drain electrode and the diode D7It is negative
Pole, the third capacitor C3Cathode be separately connected the transistor Q6Source electrode, the diode D6Positive, the described crystal
Pipe Q8Source electrode and the diode D8Anode.
In a possible example, the described second secondary side processing circuit includes diode D9, diode D10, diode
D11, the 4th capacitor C4, the 5th capacitor C5With the first inductance L1, in which: the first end of second vice-side winding connects two pole
Pipe D9Anode, the diode D9Cathode connect the 4th capacitor C4Anode, the 4th capacitor C4Cathode connect
It connects in the diode D9, the diode D10On the connecting line of second vice-side winding, second vice-side winding
Second end connects the diode D10Anode, the diode D10Cathode be connected to the diode D9With the 4th electricity
Hold C4Connecting line on, the diode D11Anode connect the 5th capacitor C5Cathode, the diode D11Cathode
Connect the first inductance L1Anode, the first inductance L1Cathode connect the 5th capacitor C5Anode.
In a possible example, the primary side processing circuit includes transistor Q9, transistor Q10, transistor Q11, it is brilliant
Body pipe Q12, diode D12, diode D13, diode D14, diode D15, the 6th capacitor C6, the 7th capacitor C7With the second inductance
L2, in which: the transistor Q9Drain electrode connect the transistor Q11Drain electrode, the transistor Q11Source electrode connect the crystalline substance
Body pipe Q12Drain electrode, the transistor Q12Source electrode connect the transistor Q10Source electrode, the transistor Q10Drain electrode connect
Meet the transistor Q9Source electrode；The diode D12Cathode connect the transistor Q9Drain electrode, the diode D12's
Anode connects the transistor Q9Source electrode, the diode D14Cathode connect the transistor Q11Drain electrode, two pole
Pipe D14Anode connect the transistor Q11Source electrode, the diode D15Cathode connect the transistor Q12Drain electrode, institute
State diode D15Anode connect the transistor Q12Source electrode, the diode D13Cathode connect the transistor Q10's
Drain electrode, the diode D13Anode connect the transistor Q10Source electrode；The second inductance L2First end be separately connected
The transistor Q9Source electrode, the diode D12Positive, described transistor Q10Drain electrode and the diode D13It is negative
Pole, the second inductance L2Second end connect the first end of the primary side winding, the second end of the primary side winding connects institute
State the 6th capacitor C6First end, the 6th capacitor C6Second end be separately connected the transistor Q11Source electrode, described two
Pole pipe D14Positive, described transistor Q12Drain electrode and the diode D15Cathode, the 7th capacitor C7First end connect
Meet the transistor Q9Drain electrode, the 7th capacitor C7Second end connect the transistor Q10Source level.
In a possible example, the switch K1, switch K2With switch K3It comprises at least one of the following: relay, gold
Belong to half field effect transistor MOSFET, controllable silicon SCR and insulated gate bipolar transistor IGBT.Implement the utility model embodiment,
It has the following beneficial effects:
This integrated on-board charger include primary side processing circuit, transformer, first it is secondary while processing circuit, second it is secondary while handle
Circuit, power battery, A-battery, switch K1, switch K2, switch K3And controller, controller control the switch K1, it is described
Switch K2, the switch K3Connected state to carry out energy transmission, the energy transmission includes the alternating current to the power electric
The energy transmission of pond and the A-battery, the energy transmission of the power battery to the A-battery and the alternating current arrive
The energy transmission of the A-battery is conducive to preferably realize that the energy of alternating current is transferred to power by different processing circuits
The energy of battery and A-battery and power battery is transferred to A-battery by different processing circuits and feeds back to power
Battery
Detailed description of the invention
Attached drawing involved by the utility model embodiment will be briefly described below.
Fig. 1 is the vehicle-mounted OBC+DC/DC physical integration mode of the prior art；
Fig. 2 is the structural schematic diagram in a kind of integrated on-board charger provided by the embodiment of the utility model and circuit；
Fig. 3 is in transformer winding structural schematic diagram shown in Fig. 2；
Fig. 4 is a kind of structural schematic diagram of the shown in Fig. 2 first secondary side processing circuit；
Fig. 5 is another structural schematic diagram of the shown in Fig. 2 first secondary side processing circuit；
Fig. 6 is a kind of structural schematic diagram of the shown in Fig. 2 second secondary side processing circuit；
Fig. 7 is a kind of structural schematic diagram of primary side processing circuit shown in Fig. 2；
Fig. 8 is the schematic diagram of a kind of integrated on-board charger and circuit provided by the embodiment of the utility model.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
The specification and claims of the utility model and term " first " in above-mentioned attached drawing, " second " etc. are to be used for
Different objects are distinguished, are not use to describe a particular order.In addition, term " includes " and " having " and their any deformations,
It is intended to cover and non-exclusive includes.Such as process, system, product or the equipment for containing a series of steps or units do not have
It is defined in listed step or unit, but optionally further comprising the step of not listing or unit, or optionally further comprising
For other intrinsic step or units of these processes, product or equipment.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
It is contained at least one embodiment of the utility model., which there is the phrase, in each position in the description to be each meant
Identical embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art are explicit
Ground and implicitly understand, embodiment described herein can be combined with other embodiments.
In conventional design, in common vehicle-mounted OBC solution, OBC is normally independent of the setting of DC/DC converter, such as
Shown in Fig. 1, alternating current exports lateral circuit by OBC and enters OBC main transformer, then is transferred energy to by OBC output circuit dynamic
Power battery, power battery pack transfer energy to DC/DC circuit, and DC/DC circuit transfers energy to A-battery and load,
Existing separate electrical scheme higher cost, occupied space are larger, are not able to satisfy the diversity requirement of reality.
In view of the above-mentioned problems, the utility model embodiment proposes at a kind of integrated on-board charger and circuit, including primary side
Manage circuit, transformer, the first secondary processing circuit, power battery, A-battery, switch K in processing circuit, the second pair1, switch
K2, switch K3And controller, the transformer include primary side winding, iron core, the first vice-side winding and the second vice-side winding, it is described
Primary side winding, first vice-side winding and second vice-side winding are set on the iron core；Described second secondary side processing
Circuit includes full-wave rectifying circuit and booster circuit；The switch K1First interface connect the second of the primary side processing circuit
The first end at end, the primary side processing circuit connects alternating current, the switch K1Second interface connect the primary side winding, it is described
First vice-side winding connects the first end of the described first secondary side processing circuit, the second end connection of the described first secondary side processing circuit
The switch K2First interface, the switch K2Second interface connect the power battery, the second vice-side winding connection
The second end of the first end of the full-wave rectifying circuit, the full-wave rectifying circuit connects the switch K3First interface, institute
State switch K3Second interface connect the first end of the booster circuit, the second end of the booster circuit connects the low tension
Pond；The controller controls the switch K1, the switch K2, the switch K3Connected state to carry out energy transmission, it is described
Energy transmission includes the alternating current to the energy transmission of the power battery and the A-battery, the power battery to described
The energy transmission of the energy transmission of A-battery and the alternating current to the A-battery；First vice-side winding with it is described
Total leakage inductance and the primary side winding, first vice-side winding and second vice-side winding between second vice-side winding
The inversely proportional relationship of overall width.
The utility model embodiment is introduced with reference to the accompanying drawing.
Referring to Fig. 2, Fig. 2 is the knot of a kind of integrated on-board charger and circuit 100 provided by the embodiment of the utility model
Structure schematic diagram, the integrated on-board charger and circuit 100 include primary side processing circuit 200, the secondary side processing of transformer 300, first
Circuit 400, booster circuit 500, switch K1, switch K2, switch K3, controller 600 and full-wave rectifying circuit 700；
The transformer 300 include primary side winding, iron core, the first vice-side winding and the second vice-side winding, the primary side around
Group, first vice-side winding and second vice-side winding are set on the iron core；
Described second secondary side processing circuit includes full-wave rectifying circuit 700 and booster circuit 500；
The switch K1First interface connect the second end of the primary side processing circuit 200, the primary side processing circuit
200 first end connects alternating current, the switch K1Second interface connect the primary side winding of the transformer 300, the transformation
First vice-side winding of device 300 connects the first end of the described first secondary side processing circuit 400, the described first secondary side processing circuit
400 second end connects the switch K2First interface, the switch K2Second interface connect the power battery, it is described
Second vice-side winding of transformer 300 connects the first end of the full-wave rectifying circuit 700, the full-wave rectifying circuit 700
Second end connects the switch K3First interface, the switch K3Second interface connect the first of the booster circuit 500
The second end at end, the booster circuit 500 connects the A-battery；
The controller 600 controls the switch K1, the switch K2, the switch K3Connected state to carry out energy
Transmission, the energy transmission include the alternating current to the energy transmission of the power battery and the A-battery, the power
Battery to the A-battery energy transmission and the alternating current to the A-battery energy transmission；
Total leakage inductance and the primary side winding, described first between first vice-side winding and second vice-side winding
The inversely proportional relationship of overall width of vice-side winding and second vice-side winding.
Wherein, the switch K1, the switch K2With the switch K3It can be control type switch, two-way switch and unidirectional
Switch, does not do unique restriction herein.
In a possible example, the controller 600 controls the switch K1First interface and second interface, institute
State switch K2First interface and second interface and the switch K3First interface when being connected to second interface, the primary side
Processing circuit 200, the transformer 300 and the first secondary side processing circuit 400 form the first processing circuit, at described first
Circuit is managed to be used for first part's energy transmission of the alternating current to the power battery；It is the primary side processing circuit 200, described
Transformer 300 and the second secondary side processing circuit form second processing circuit, and the second processing circuit is used for the city
The second part energy transmission of electricity is to the A-battery；
The controller 600 controls the switch K2First interface and second interface, the switch K3First interface and
When second interface is connected to, the described first secondary processing circuit shape in processing circuit 400, the transformer 300 and second pair
At third processing circuit, the third processing circuit is used for the energy transmission of the power battery to the A-battery；
The controller 600 controls the switch K1First interface and second interface, the switch K3First interface and
When second interface is connected to, the primary side processing circuit 200, the transformer 300 and the second secondary side processing circuit form the
Four processing circuits, the fourth process circuit are used for the energy transmission of the alternating current to the A-battery.
Optionally, the controller 600 controls the switch K1First interface and second interface, the switch K2?
When one interface is connected to the second interface, at the primary side processing circuit 200, the transformer 300 and the first secondary side
The 5th processing circuit that circuit 400 is formed is managed, the 5th processing circuit is used to the portion of energy of the alternating current being transferred to institute
State power battery.
In a possible example, the total leakage inductance and the original of first vice-side winding and second vice-side winding
The relational expression of the overall width w of side winding, first vice-side winding and second vice-side winding are as follows:
Wherein, L is the primary side winding, total leakage inductance of first vice-side winding and second vice-side winding, NpFor
The number of turns of the primary side winding, MLT are that the average turn of single turn is long, and b is the difference of the primary side winding and the internal-and external diameter of winding i, institute
Stating winding i is first vice-side winding or second vice-side winding, and w is the primary side winding, first vice-side winding
With the overall width of second vice-side winding.
As it can be seen that in this example, primary side winding and the first vice-side winding lotus root are closed good, and filter sense is as small as possible, thus primary side around
Group uses sandwich winding construction with the first vice-side winding；It is required that the filter sense between the first vice-side winding and the second vice-side winding is most
May be big, and LLC resonant tank is formed using the filter sense and transformer, reach the secondary side processing circuit output voltage of adjustment second
Purpose.
In a possible example, the length of total leakage inductance between first vice-side winding and second vice-side winding
Degree range is 5mm-50mm.
In a possible example, as shown in figure 3, the line of the primary side winding 800 and first vice-side winding 900
Coil structures are sandwich winding structure.
In a possible example, as shown in figure 4, Fig. 4 is the one of the shown in Fig. 2 first secondary side processing circuit 400
Kind structural schematic diagram, the described first secondary side processing circuit 400 includes transistor Q1, transistor Q2, transistor Q3With transistor Q4、
Diode D1, diode D2, diode D3, diode D4With first capacitor C1, in which: the transistor Q1Drain electrode connection described in
Transistor Q3Drain electrode, the transistor Q3Source electrode connect the transistor Q4Drain electrode, the transistor Q4Source electrode connection
The transistor Q2Source electrode, the transistor Q2Drain electrode connect the transistor Q1Source electrode；The diode D1Cathode
Connect the transistor Q1Drain electrode, the diode D1Anode connect the transistor Q1Source electrode, the diode D3's
Cathode connects the transistor Q3Drain electrode, the diode D3Anode connect the transistor Q3Source electrode, the diode
D4Cathode connect the transistor Q4Drain electrode, the diode D4Anode connect the transistor Q4Source electrode, described two
Pole pipe D2Cathode connect the transistor Q2Drain electrode, the diode D2Anode connect the transistor Q2Source electrode；Institute
State first capacitor C1First end be separately connected the transistor Q3Source electrode, the diode D3Anode, the first capacitor
C1Second end be separately connected the transistor Q4Drain electrode and the diode D4Cathode.
Wherein, the transistor and the diode form switching tube.
Wherein, diode D1, diode D2, diode D3And diode D4It is rectifier diode.
In a possible example, as shown in figure 5, Fig. 5 is the another of the shown in Fig. 2 first secondary side processing circuit 400
A kind of structural schematic diagram, the described first secondary side processing circuit 400 includes transistor Q5, transistor Q6, transistor Q7, transistor Q8、
Diode D5, diode D6, diode D7, diode D8, the second capacitor C2With third capacitor C3, in which: the transistor Q5's
Drain electrode connects the transistor Q7Drain electrode, the transistor Q7Source electrode connect the transistor Q8Drain electrode, the transistor
Q8Source electrode connect the transistor Q6Source electrode, the transistor Q6Drain electrode connect the transistor Q5Source electrode；Described two
Pole pipe D5Cathode connect the transistor Q5Drain electrode, the diode D5Anode connect the transistor Q5Source electrode, institute
State diode D7Cathode connect the transistor Q7Drain electrode, the diode D7Anode connect the transistor Q7Source
Pole, the diode D8Cathode connect the transistor Q8Drain electrode, the diode D8Anode connect the transistor Q8
Source electrode, the diode D6Cathode connect the transistor Q6Drain electrode, the diode D6Anode connect the crystal
Pipe Q6Source electrode；The first end of first vice-side winding 900 is separately connected the transistor Q5Source electrode, the diode D5
Positive, described transistor Q6Drain electrode and the diode D6Cathode, first vice-side winding 900 second end connection
The second capacitor C2First end, the second capacitor C2Second end be separately connected the transistor Q7Source electrode, described two
Pole pipe D7Positive, described transistor Q8Drain electrode and the diode D8Cathode, the third capacitor C3Anode connect respectively
Meet the transistor Q5Drain electrode, the diode D5Cathode, the transistor Q7Drain electrode and the diode D7It is negative
Pole, the third capacitor C3Cathode be separately connected the transistor Q6Source electrode, the diode D6Positive, the described crystal
Pipe Q8Source electrode and the diode D8Anode.
Wherein, diode D5, diode D6, diode D7And diode D8It is rectifier diode.
In a possible example, as shown in fig. 6, Fig. 6 is a kind of knot of the shown in Fig. 2 second secondary side processing circuit
Structure schematic diagram, the described second secondary side processing circuit includes diode D9, diode D10, diode D11, the 4th capacitor C4, the 5th electricity
Hold C5With the first inductance L1, in which: the first end of second vice-side winding connects the diode D9Anode, two pole
Pipe D9Cathode connect the 4th capacitor C4Anode, the 4th capacitor C4Cathode be connected to the diode D9, it is described
Diode D10On the connecting line of second vice-side winding, the second end of second vice-side winding connects the diode
D10Anode, the diode D10Cathode be connected to the diode D9With the 4th capacitor C4Connecting line on, it is described
Diode D11Anode connect the 5th capacitor C5Cathode, the diode D11Cathode connect the first inductance L1's
Anode, the first inductance L1Cathode connect the 5th capacitor C5Anode.
Wherein, diode D9, diode D10With diode D11It is rectifier diode.
In a possible example, as shown in fig. 7, Fig. 7 is a kind of knot of primary side processing circuit 200 shown in Fig. 2
Structure schematic diagram, the primary side processing circuit 200 include transistor Q9, transistor Q10, transistor Q11, transistor Q12, diode
D12, diode D13, diode D14, diode D15, the 6th capacitor C6, the 7th capacitor C7With the second inductance L2, in which: the crystalline substance
Body pipe Q9Drain electrode connect the transistor Q11Drain electrode, the transistor Q11Source electrode connect the transistor Q12Leakage
Pole, the transistor Q12Source electrode connect the transistor Q10Source electrode, the transistor Q10Drain electrode connect the transistor
Q9Source electrode；The diode D12Cathode connect the transistor Q9Drain electrode, the diode D12Anode connection described in
Transistor Q9Source electrode, the diode D14Cathode connect the transistor Q11Drain electrode, the diode D14Anode even
Meet the transistor Q11Source electrode, the diode D15Cathode connect the transistor Q12Drain electrode, the diode D15's
Anode connects the transistor Q12Source electrode, the diode D13Cathode connect the transistor Q10Drain electrode, two pole
Pipe D13Anode connect the transistor Q10Source electrode；The second inductance L2First end be separately connected the transistor Q9's
Source electrode, the diode D12Positive, described transistor Q10Drain electrode and the diode D13Cathode, second inductance
L2Second end connect the first end of the primary side winding 800, the second end connection of the primary side winding 800 the 6th electricity
Hold C6First end, the 6th capacitor C6Second end be separately connected the transistor Q11Source electrode, the diode D14's
Positive, the described transistor Q12Drain electrode and the diode D15Cathode, the 7th capacitor C7First end connect the crystalline substance
Body pipe Q9Drain electrode, the 7th capacitor C7Second end connect the transistor Q10Source level.
Wherein, diode D12, diode D13, diode D14With diode D15It is rectifier diode.
In a possible example, the switch K1, switch K2With switch K3It comprises at least one of the following: relay, gold
Belong to half field effect transistor MOSFET, controllable silicon SCR and insulated gate bipolar transistor IGBT.
As it can be seen that in this example, due to the length by control the distance between the first vice-side winding and the second vice-side winding L
It is short, it can control leakage inductance, and then control coupling, thus realize the energy transmission of alternating current to power battery and A-battery,
And the energy of power battery is transferred to A-battery by the secondary side processing circuit of primary side processing circuit, transformer and second.
Referring to Fig. 8, Fig. 8 is the signal of a kind of integrated on-board charger and circuit provided by the embodiment of the utility model
Figure, wherein as shown in figure 8, diode D16, diode D17, diode D18, diode D19Form rectification circuit, connection alternating current and
Primary circuit.
Wherein, diode D16, diode D17, diode D18With diode D19It is rectifier diode.
It should be noted that for simple description, therefore, it is stated as one for each utility model embodiment above-mentioned
The combination of actions of series, but those skilled in the art should understand that, the utility model is not by described sequence of movement
Limitation, because some steps may be performed in other sequences or simultaneously according to the utility model.Secondly, art technology
Personnel also should be aware of, and the embodiments described in the specification are all preferred embodiments, and related actions and modules is not
It must be necessary to the utility model.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, reference can be made to the related descriptions of other embodiments.
In several embodiments provided by the utility model, it should be understood that disclosed device can pass through others
Mode is realized.For example, the apparatus embodiments described above are merely exemplary, such as the division of said units, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple units or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual
Between coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING or communication link of device or unit
It connects, can be electrical or other forms.
Above-mentioned unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the utility model can integrate in one processing unit,
It can be each unit to physically exist alone, can also be integrated in one unit with two or more units.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
The utility model embodiment is described in detail above, specific case used herein is to the utility model
Principle and embodiment be expounded, the above embodiments are only used to help understand the utility model and its core
Thought；At the same time, for those skilled in the art, based on the idea of the present invention, in specific embodiment and application
There will be changes in range, to sum up above-mentioned, and the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of integrated on-board charger and circuit, which is characterized in that at primary side processing circuit, transformer, the first secondary side
Manage circuit, the second secondary side processing circuit, power battery, A-battery, switch K1, switch K2, switch K3And controller, in which:
The transformer includes primary side winding, iron core, the first vice-side winding and the second vice-side winding, the primary side winding, described
First vice-side winding and second vice-side winding are set on the iron core；
Described second secondary side processing circuit includes full-wave rectifying circuit and booster circuit；
The switch K1First interface connect the second end of the primary side processing circuit, the first end of the primary side processing circuit
Connect alternating current, the switch K1Second interface connect the primary side winding, the first vice-side winding connection described first is secondary
The second end of the first end of side processing circuit, the described first secondary side processing circuit connects the switch K2First interface, it is described
Switch K2Second interface connect the power battery, second vice-side winding connects the first of the full-wave rectifying circuit
The second end at end, the full-wave rectifying circuit connects the switch K3First interface, the switch K3Second interface connect institute
The first end of booster circuit is stated, the second end of the booster circuit connects the A-battery；
The controller controls the switch K1, the switch K2, the switch K3Connected state to carry out energy transmission, institute
Stating energy transmission includes the alternating current to the energy transmission of the power battery and the A-battery, the power battery to institute
State A-battery energy transmission and the alternating current to the A-battery energy transmission；
Total leakage inductance and the primary side winding, the first secondary side between first vice-side winding and second vice-side winding
The inversely proportional relationship of overall width of winding and second vice-side winding.
2. integrated on-board charger according to claim 1 and circuit, which is characterized in that opened described in the controller control
Close K1First interface and second interface, the switch K2First interface and second interface and the switch K3First connect
When mouth is connected to second interface, the primary side processing circuit, the transformer and the first secondary side processing circuit form first
Processing circuit, first processing circuit are used for first part's energy transmission of the alternating current to the power battery；It is described
Primary side processing circuit, the transformer and the second secondary side processing circuit form second processing circuit, the second processing electricity
Road is used for the second part energy transmission of the alternating current to the A-battery；
The controller controls the switch K2First interface and second interface, the switch K3First interface and second connect
When mouth connection, the described first secondary processing circuit in processing circuit, the transformer and second pair forms third and handles electricity
Road, the third processing circuit are used for the energy transmission of the power battery to the A-battery；
The controller controls the switch K1First interface and second interface, the switch K3First interface and second connect
When mouth connection, the primary side processing circuit, the transformer and the second secondary side processing circuit form fourth process circuit, institute
Fourth process circuit is stated to be used for the energy transmission of the alternating current to the A-battery.
3. integrated on-board charger according to claim 1 and circuit, which is characterized in that first vice-side winding and institute
State total leakage inductance of the second vice-side winding and the beam overall of the primary side winding, first vice-side winding and second vice-side winding
Spend the relational expression of w are as follows:
Wherein, L is the primary side winding, total leakage inductance of first vice-side winding and second vice-side winding, NpFor the original
The number of turns of side winding, MLT are that the average turn of single turn is long, and b is the difference of the primary side winding and the internal-and external diameter of winding i, the winding i
For first vice-side winding or second vice-side winding, w is the primary side winding, first vice-side winding and described the
The overall width of two vice-side windings.
4. integrated on-board charger according to claim 1 and circuit, which is characterized in that first vice-side winding and institute
Stating the distance between the second vice-side winding range is 5mm-50mm.
5. integrated on-board charger according to claim 1-3 and circuit, which is characterized in that the primary side winding
Loop construction with first vice-side winding is sandwich winding structure.
6. integrated on-board charger according to claim 1 and circuit, which is characterized in that the described first secondary side processing circuit
Including transistor Q1, transistor Q2, transistor Q3With transistor Q4, diode D1, diode D2, diode D3, diode D4With
One capacitor C1, in which:
The transistor Q1Drain electrode connect the transistor Q3Drain electrode, the transistor Q3Source electrode connect the transistor Q4
Drain electrode, the transistor Q4Source electrode connect the transistor Q2Source electrode, the transistor Q2Drain electrode connect the crystal
Pipe Q1Source electrode；
The diode D1Cathode connect the transistor Q1Drain electrode, the diode D1Anode connect the transistor
The source electrode of Q1, the cathode of the diode D3 connect the drain electrode of the transistor Q3, the diode D3Anode connection described in
Transistor Q3Source electrode, the diode D4Cathode connect the transistor Q4Drain electrode, the diode D4Anode connection
The transistor Q4Source electrode, the diode D2Cathode connect the transistor Q2Drain electrode, the diode D2Anode
Connect the transistor Q2Source electrode；
The first capacitor C1First end be separately connected the transistor Q3Source electrode, the diode D3Anode, described
One capacitor C1Second end be separately connected the transistor Q4Drain electrode and the diode D4Cathode.
7. integrated on-board charger according to claim 1 and circuit, which is characterized in that the described first secondary side processing circuit
Including transistor Q5, transistor Q6, transistor Q7, transistor Q8, diode D5, diode D6, diode D7, diode D8, second
Capacitor C2With third capacitor C3, in which:
The transistor Q5Drain electrode connect the transistor Q7Drain electrode, the transistor Q7Source electrode connect the transistor Q8
Drain electrode, the transistor Q8Source electrode connect the transistor Q6Source electrode, the transistor Q6Drain electrode connect the crystal
Pipe Q5Source electrode；
The diode D5Cathode connect the transistor Q5Drain electrode, the diode D5Anode connect the transistor Q5
Source electrode, the diode D7Cathode connect the transistor Q7Drain electrode, the diode D7Anode connect the crystal
Pipe Q7Source electrode, the diode D8Cathode connect the transistor Q8Drain electrode, the diode D8Anode connection described in
Transistor Q8Source electrode, the diode D6Cathode connect the transistor Q6Drain electrode, the diode D6Anode connection
The transistor Q6Source electrode；
The first end of first vice-side winding is separately connected the transistor Q5Source electrode, the diode D5It is positive, described
Transistor Q6Drain electrode and the diode D6Cathode, the second end of first vice-side winding connects the second capacitor C2
First end, the second capacitor C2Second end be separately connected the transistor Q7Source electrode, the diode D7Anode,
The transistor Q8Drain electrode and the diode D8Cathode, the third capacitor C3Anode be separately connected the transistor
Q5Drain electrode, the diode D5Cathode, the transistor Q7Drain electrode and the diode D7Cathode, third electricity
Hold C3Cathode be separately connected the transistor Q6Source electrode, the diode D6Positive, described transistor Q8Source electrode and institute
State diode D8Anode.
8. integrated on-board charger according to claim 6 or 7 and circuit, which is characterized in that the described second secondary side processing
Circuit includes diode D9, diode D10, diode D11, the 4th capacitor C4, the 5th capacitor C5With the first inductance L1, in which:
The first end of second vice-side winding connects the diode D9Anode, the diode D9Cathode connection described in
4th capacitor C4Anode, the 4th capacitor C4Cathode be connected to the diode D9, the diode D10With described second
On the connecting line of vice-side winding, the second end of second vice-side winding connects the diode D10Anode, the diode
D10Cathode be connected to the diode D9With the 4th capacitor C4Connecting line on, the diode D11Anode connection institute
State the 5th capacitor C5Cathode, the diode D11Cathode connect the first inductance L1Anode, the first inductance L1's
Cathode connects the 5th capacitor C5Anode.
9. integrated on-board charger according to claim 7 and circuit, which is characterized in that the primary side processing circuit includes
Transistor Q9, transistor Q10, transistor Q11, transistor Q12, diode D12, diode D13, diode D14, diode D15,
Six capacitor C6, the 7th capacitor C7With the second inductance L2, in which:
The transistor Q9Drain electrode connect the transistor Q11Drain electrode, the transistor Q11Source electrode connect the transistor
Q12Drain electrode, the transistor Q12Source electrode connect the transistor Q10Source electrode, the transistor Q10Drain electrode connection described in
Transistor Q9Source electrode；
The diode D12Cathode connect the transistor Q9Drain electrode, the diode D12Anode connect the transistor
Q9Source electrode, the diode D14Cathode connect the transistor Q11Drain electrode, the diode D14Anode connection described in
Transistor Q11Source electrode, the diode D15Cathode connect the transistor Q12Drain electrode, the diode D15Anode even
Meet the transistor Q12Source electrode, the diode D13Cathode connect the transistor Q10Drain electrode, the diode D13's
Anode connects the transistor Q10Source electrode；
The second inductance L2First end be separately connected the transistor Q9Source electrode, the diode D12Positive, the described crystalline substance
Body pipe Q10Drain electrode and the diode D13Cathode, the second inductance L2Second end connect the first of the primary side winding
The second end at end, the primary side winding connects the 6th capacitor C6First end, the 6th capacitor C6Second end connect respectively
Meet the transistor Q11Source electrode, the diode D14Positive, described transistor Q12Drain electrode and the diode D15It is negative
Pole, the 7th capacitor C7First end connect the transistor Q9Drain electrode, the 7th capacitor C7Second end connection described in
Transistor Q10Source level.
10. integrated on-board charger according to claim 1 and circuit, which is characterized in that the switch K1, switch K2With
Switch K3It comprises at least one of the following: relay, metal half field effect transistor MOSFET, controllable silicon SCR and insulated gate bipolar
Transistor IGBT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527796.6U CN209046338U (en) | 2018-09-18 | 2018-09-18 | A kind of integrated on-board charger and circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821527796.6U CN209046338U (en) | 2018-09-18 | 2018-09-18 | A kind of integrated on-board charger and circuit |
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|---|---|
| CN209046338U true CN209046338U (en) | 2019-06-28 |
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ID=67033650
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| CN201821527796.6U Active CN209046338U (en) | 2018-09-18 | 2018-09-18 | A kind of integrated on-board charger and circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110235336A (en) * | 2018-09-18 | 2019-09-13 | 深圳欣锐科技股份有限公司 | Integrated on-board circuit for charging machine and manufacturing method, integrated on-board charger |
| CN111251916A (en) * | 2019-09-23 | 2020-06-09 | 华为技术有限公司 | Charging circuit with double output ports |
| WO2021003651A1 (en) * | 2019-07-08 | 2021-01-14 | 深圳欣锐科技股份有限公司 | Switch power source circuit for integrated vehicle-mounted charger, and converter |
| CN113165541A (en) * | 2020-08-10 | 2021-07-23 | 深圳欣锐科技股份有限公司 | Circuit, method and system for charging low-voltage battery |
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2018
- 2018-09-18 CN CN201821527796.6U patent/CN209046338U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110235336A (en) * | 2018-09-18 | 2019-09-13 | 深圳欣锐科技股份有限公司 | Integrated on-board circuit for charging machine and manufacturing method, integrated on-board charger |
| CN110235336B (en) * | 2018-09-18 | 2023-04-04 | 深圳欣锐科技股份有限公司 | Integrated vehicle-mounted charger circuit, manufacturing method thereof and integrated vehicle-mounted charger |
| WO2021003651A1 (en) * | 2019-07-08 | 2021-01-14 | 深圳欣锐科技股份有限公司 | Switch power source circuit for integrated vehicle-mounted charger, and converter |
| CN111251916A (en) * | 2019-09-23 | 2020-06-09 | 华为技术有限公司 | Charging circuit with double output ports |
| CN111251916B (en) * | 2019-09-23 | 2021-09-07 | 华为技术有限公司 | Charging circuit with double output ports |
| CN113165541A (en) * | 2020-08-10 | 2021-07-23 | 深圳欣锐科技股份有限公司 | Circuit, method and system for charging low-voltage battery |
| WO2022032438A1 (en) * | 2020-08-10 | 2022-02-17 | 深圳欣锐科技股份有限公司 | Circuit, method and system for charging low-voltage battery |
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