CN105811542B - The charging circuit and its electric car charging module of compatible alternating current-direct current input - Google Patents
The charging circuit and its electric car charging module of compatible alternating current-direct current input Download PDFInfo
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- CN105811542B CN105811542B CN201610362343.1A CN201610362343A CN105811542B CN 105811542 B CN105811542 B CN 105811542B CN 201610362343 A CN201610362343 A CN 201610362343A CN 105811542 B CN105811542 B CN 105811542B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H02J7/0072—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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Abstract
The present invention relates to charging technique fields, provide a kind of charging circuit of compatible alternating current-direct current input, are applied on an electric car.The charging circuit of the compatible alternating current-direct current input includes external power supply input interface, PFC/BOOST circuit, DC/DC regulating circuit, Acquisition Circuit and drive control circuit；The output end of the external power supply input interface is connected with the input terminal of the PFC/BOOST circuit；The output end of the PFC/BOOST circuit is connected with the input terminal of the DC/DC regulating circuit；The output end of the DC/DC regulating circuit is connected with the cell input terminal of the electric car；The input terminal of the Acquisition Circuit is connected with the output end of the output end of the external power supply input interface and DC/DC regulating circuit respectively, and output end is connected with the input terminal of the drive control circuit；The output end of the drive control circuit is connected with the PFC/BOOST circuit and DC/DC regulating circuit respectively.
Description
[technical field]
The present invention relates to charging technique field more particularly to a kind of charging circuit that compatible alternating current-direct current inputs and its there is this
The electric car charging module of charging circuit.
[background technique]
Electric car charging circuit is divided into two kinds, and the charging circuit of external exchange input and the charging of external direct current input are electric
Road.However, it is incompatible between both existing charging circuits, it has a single function, is easy to cause inconvenience to the user.For example,
The charging circuit of external exchange input can only external three-phase mains, if mains failure or user by electric car open up wasteland to
When the city inconvenient to use such as outer outside of the city supplies electricity to the place of electric car charging, the battery as DC charging source cannot be given external
The charging circuit charging of exchange input.In addition, the charging circuit of external direct current input can only external direct current power supply, and in living most
Common power supply is AC power source, and the charging circuit of external direct current input is relatively suitable for emergency.
If above two charging circuit is respectively set on electric car, can solve the above problems, i.e., electronic vapour
Vehicle can charged usually using the charging circuit of external exchange input for it, also can in case of emergency (i.e. electric car is urgently
Need to charge and the case where alternating current can not power) it is charged using the charging circuit that external direct current inputs for it.But in electric car
Two kinds of charging circuits of upper setting, route is complex, and design cost is high.And additional setting one do not need to be commonly used it is external
The charging circuit of direct current input also results in the waste of resource.
[summary of the invention]
How the technical problem to be solved in the present invention provides a kind of charging circuit of compatible alternating current-direct current input, has both been able to achieve outer
DC power supply power supply in portion's is also able to achieve external ac power source power supply.
In order to solve the above technical problems, the present invention provides following technical scheme
The present invention provides a kind of charging circuit of compatible alternating current-direct current input comprising external power supply input interface, PFC/
BOOST circuit, DC/DC regulating circuit, Acquisition Circuit and drive control circuit；The external power supply input interface is one 4 and draws
The connecting terminal of foot, 4 pin is respectively marked as P1, P2, P3, P4.If external power supply is electric main, this P1/P2/
The R/S/T/ ground wire that P3/P4 gets access to grid respectively；If external power supply is DC power supply, P1 and P3 interface distinguishes external battery
Positive and negative anodes, P2 and P4 are hanging；The input terminal phase of the output end of the external power supply input interface and the PFC/BOOST circuit
Even；The output end of the PFC/BOOST circuit is connected with the input terminal of the DC/DC regulating circuit；The DC/DC pressure regulation electricity
The output end on road is connected with the cell input terminal of an electric car；The input terminal of the Acquisition Circuit respectively with the external power supply
The output end of input interface and the output end of DC/DC regulating circuit are connected, the input terminal of output end and the drive control circuit
It is connected；The output end of the drive control circuit is connected with the PFC/BOOST circuit and DC/DC regulating circuit respectively.
The beneficial effects of the present invention are charging circuits provided by the invention being capable of two kinds of external electricity of compatible with alternating and direct current
Source input, is avoided that unnecessary waste, provides the user with conveniently.
[Detailed description of the invention]
Fig. 1 is the application environment schematic diagram of the charging circuit of compatible alternating current-direct current input in present pre-ferred embodiments.
Fig. 2 is the connectivity port schematic diagram of the charging circuit of compatible alternating current-direct current input in present pre-ferred embodiments.
Fig. 3 is the concrete structure diagram of the charging circuit of compatible alternating current-direct current input in present pre-ferred embodiments.
Fig. 4 is the working timing figure of the charging circuit of compatible alternating current-direct current input in present pre-ferred embodiments.
Appended drawing reference:
[specific embodiment]
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
Embodiment 1
Referring to Fig. 1, being the application environment schematic diagram of the charging circuit of compatible alternating current-direct current input of the present invention.At this
In embodiment, the charging circuit 100 (hereinafter referred to as charging circuit 100) of the compatible alternating current-direct current input is applied to an electric car
In 200 charging module 201, charge for realizing an external power supply 300 to the electric car 200.The external electrical
Source 300 can be an external dc input power, such as battery etc. is also possible to an external communication input power, such as three
Phase electric main.That is, charging circuit 100 of the invention had both been able to achieve external dc input power to the electric car
200 charge, and are also able to achieve external communication input power and charge to the electric car 200, i.e., charging of the invention
100 energy compatible external exchange of circuit and direct-current input power supplying charge to the electric car 200.It should be noted that in this hair
In bright other embodiments, the charging circuit 100 is not limited to apply in an electric car 200, can apply in other electricity
In the dynamic vehicles, such as battery-operated motor cycle, electric bicycle, single wheel etc., can also apply charge in other needs it is any
In device, such as the electronic equipments such as laptop.
Referring to Fig. 2, being the connecting interface schematic diagram of the charging circuit of compatible alternating current-direct current input of the present invention.At this
In embodiment, the charging circuit 100 includes external power supply input interface 10, PFC/BOOST circuit 20, DC/DC regulating circuit
30, Acquisition Circuit 50 and drive control circuit 40.
The external external power supply 300 of the external power supply input interface 10, output end are defeated with the PFC/BOOST circuit 20
Enter end to be connected.The external power supply input interface 10 is the connecting terminal for including four pins, specifically, also referring to Fig. 3,
It is the concrete structure diagram of the charging circuit of compatible alternating current-direct current input of the present invention.Four pins be respectively P1, P2,
P3, P4P1P2P3 are when needing external three-phase alternating current alternating current is that the electric car 200 charges, the external power supply input interface
10 tetra- pins of P1, P2, P3, P4 distinguish the R/S/T/ ground wire P1P2P3 of external electric main；When the external battery of needs is
When the electric car 200 charges, the two of them of four pins distinguish the positive and negative anodes of an external battery, other two
Pin floating, such as the anode of the external battery of P1P1, the cathode of the external battery of P3P3, hanging P2P1P3 of P2P2, P4 etc..
P1P2P3P1P2P3
The output end of the PFC/BOOST circuit 20 with and the input terminal of the DC/DC regulating circuit 30 be connected, it is described
The output end of DC/DC regulating circuit 30 is connected with the cell input terminal of the electric car 200；The input of the Acquisition Circuit 50
End be connected respectively with the output end of the output end of the external power supply input interface 10 and DC/DC regulating circuit 30, output end and
The input terminal of the drive control circuit 40 is connected；The output end of the drive control circuit 40 respectively with the PFC/BOOST
Circuit 20 and DC/DC regulating circuit 30 are connected.
Specifically, in the present embodiment, the PFC/BOOST circuit 20 and the DC/DC regulating circuit 30 all include altogether
Inductance L1, L2, L3, insulated gate bipolar transistor IGBT 1, IGBT2, IGBT3, diode D5, D6, D11, D12, D14,
D15 and capacitor PBus, NBus.
The element connection relationship of the PFC/BOOST circuit 20 and the DC/DC regulating circuit 30 is as follows:
The P1 pin P1 is connected through inductance L1 with the input terminal of the rectification circuit 20, the drain electrode of the IGBT1 and institute
State rectification circuit 20 positive output end be connected, source electrode is connected with the inverse output terminal of the rectification circuit 20, grid with it is described
Drive control circuit 40 is connected, and the drain electrode of the IGBT1 is also connected with the cathode of the anode of diode D5 and diode D3, capacitor
One end of PBus is connected with the cathode of the diode D5, the other end and the anode of diode D3 and the cathode phase of diode D4
Even, one end of capacitor NBus is connected with the cathode of the anode of the diode D3 and diode D4, and the other end is with diode D6's
Anode is connected, and the cathode of the anode of the diode D4 and the diode D6 are connected with the source electrode of the IGBT1.
The P2 pin 2 is connected through inductance L2 with the input terminal of the rectification circuit 20, the drain electrode of the IGBT2 with it is described
The positive output end of rectification circuit 20 is connected, and source electrode is connected with the inverse output terminal of the rectification circuit 20, grid and the drive
Dynamic control circuit 40 is connected, and the drain electrode of the IGBT2 is also connected with the cathode of the anode of diode D11 and diode D9, capacitor
One end of PBus is connected with the cathode of the diode D11, the other end and the anode of diode D9 and the cathode phase of diode D10
Even, one end of capacitor NBus is connected with the cathode of the anode of the diode D9 and diode D10, the other end and diode D12
Anode be connected, the cathode of the anode of the diode D10 and the diode D12 are connected with the source electrode of the IGBT2.
The P3 pin P3 is connected through inductance L3 with the input terminal of the rectification circuit 20, the drain electrode of the IGBT3 and institute
State rectification circuit 20 positive output end be connected, source electrode is connected with the inverse output terminal of the rectification circuit 20, grid with it is described
Drive control circuit 40 is connected, and the drain electrode of the IGBT3 is also connected with the cathode of the anode of diode D14 and diode D18, electricity
The one end for holding PBus is connected with the cathode of the diode D14, the other end and the anode of diode D18 and the yin of diode D13
Extremely it is connected, one end of capacitor NBus is connected with the cathode of the anode of the diode D18 and diode D13, the other end and two poles
The anode of pipe D15 is connected, the cathode of the anode of the diode D13 and the diode D15 with the source electrode phase of the IGBT3
Even.
The drive control circuit 40 analyzes the collected external power supply input interface 10 of the Acquisition Circuit 50
The PFC/BOOST circuit 20 or DC/DC pressure regulation are controlled after the data of the output end of output end and the DC/DC regulating circuit 30
Circuit 30 opens or closes.In the present embodiment, the drive control circuit 40 is described absolutely by sending control signal control
Edge grid bipolar transistor IGBT 1, IGBT2, IGBT3, which are turned on or off, realizes the PFC/BOOST circuit 20 and DC/DC
The conversion of regulating circuit 30.
Detailed process is analyzed in case where external power supply 300 is exchange input below, when the acquisition electricity
When road 50 detects that the alternating current of P1 pin P1 input was in the positive half-wave period, the drive control circuit 40 controls described
IGBT1 conducting, electric current flow to diode D1 through inductance L1 and flow to capacitor NBus through IGBT1 and diode D4 from P1P1, etc.
Effect is a charging circuit.When the Acquisition Circuit 50 detects that the output electric current for flowing through the IGBT1 reaches a preset value,
The drive control circuit 40 controls the IGBT1 and closes, since the electric current on inductance L1 cannot be mutated, by diode D1 and
Diode D5 reaches capacitor PBus, is equivalent to a Boost circuit.Similarly, the drive control circuit 40 is to described
The control of IGBT2, IGBT3 are identical as the control mode to IGBT1.It should be noted that the drive control circuit 40 is also right
The power factor of PFC/BOOST circuit 20 is corrected.In the present embodiment, the drive control circuit 40 is DSP circuit.
When external power supply 300 is exchange input, the drive control circuit 40 controls the PFC/BOOST circuit 20 and opens
It opens, that is, controls corresponding insulated gate bipolar transistor conducting, and be corrected to the power factor of PFC/BOOST circuit 20,
Guarantee output voltage is steady dc voltage.
When external power supply 300 is that direct current inputs, the drive control circuit 40 controls the DC/DC regulating circuit 30 and opens
It opens, that is, controls corresponding insulated gate bipolar transistor and disconnect, circuit equivalent is a BOOST booster circuit at this time, is kept defeated
Voltage is steady dc voltage out.
Table 1
It referring to Figure 4 together, is the working timing figure of charging circuit 100 of the present invention, A, B, C are respectively three-phase phase
Voltage, input is charged to inductance L1, L2, L3 respectively when IGBT1, IGBT2, IGBT3 are connected, when disconnection input by inductance L1, L2,
The energy of L3 storage charges to output capacitance PBus, NBus, and wherein IGBT1, IGBT2, IGBT3 can be simultaneously turned on or be disconnected,
It can also partially ON or disconnection.T1~t7 is the different moments in whole process, and upper table 1 is that IGBT1, IGBT2, IGBT3 are same
When being turned on or off electric current flow direction.
For charging circuit 100 of the invention by reasonable PFC topological structure layout circuit element, route is relatively simple, if
It counts at low cost, does not cause unnecessary waste.And the charging circuit 100 had both been able to achieve external ac power source to the electronic vapour
Vehicle 200 charges, and is also able to achieve external dc power and charges to the electric car 200, greatly provides the user with
Convenience.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of charging circuit of compatible alternating current-direct current input, for charging to an electric car, which is characterized in that the compatible friendship
Direct current input charging circuit include external power supply input interface, PFC/BOOST circuit, DC/DC regulating circuit, Acquisition Circuit and
Drive control circuit；
The output end of the external power supply input interface is connected with the input terminal of the PFC/BOOST circuit；
The output end of the PFC/BOOST circuit is connected with the input terminal of the DC/DC regulating circuit；The DC/DC pressure regulation
The output end of circuit is connected with the cell input terminal of the electric car；
The input terminal of the Acquisition Circuit is defeated with the output end of the external power supply input interface and DC/DC regulating circuit respectively
Outlet is connected, and output end is connected with the input terminal of the drive control circuit；
The output end of the drive control circuit is connected with the PFC/BOOST circuit and DC/DC regulating circuit respectively；
The drive control circuit analyzes output end and the institute of the collected external power supply input interface of the Acquisition Circuit
The PFC/BOOST circuit is controlled after stating the data of the output end of DC/DC regulating circuit or DC/DC regulating circuit is opened or closed
It closes；
The external power supply input interface is the connecting terminal for including four pins, four pins be respectively P1, P2, P3,
P4, the PFC/BOOST circuit and the DC/DC regulating circuit all include shared inductance L1, L2, L3, insulated gate bipolar
Transistor IGBT 1, IGBT2, IGBT3, diode D5, D6, D11, D12, D14, D15 and capacitor PBus, NBus；
The P1 pin is connected through inductance L1 with the input terminal of the PFC/BOOST circuit, the drain electrode of the IGBT1 with it is described
The positive output end of PFC/BOOST circuit is connected, and source electrode is connected with the inverse output terminal of the PFC/BOOST circuit, grid and
The drive control circuit is connected, and the drain electrode of the IGBT1 is also connected with the cathode of the anode of diode D5 and diode D3, electricity
The one end for holding PBus is connected with the cathode of the diode D5, the other end and the anode of diode D3 and the cathode phase of diode D4
Even, one end of capacitor NBus is connected with the cathode of the anode of the diode D3 and diode D4, and the other end is with diode D6's
Anode is connected, and the cathode of the anode of the diode D4 and the diode D6 are connected with the source electrode of the IGBT1；
The P2 pin is connected through inductance L2 with the input terminal of the PFC/BOOST circuit, the drain electrode of the IGBT2 with it is described
The positive output end of PFC/BOOST circuit is connected, and source electrode is connected with the inverse output terminal of the PFC/BOOST circuit, grid and
The drive control circuit is connected, and the drain electrode of the IGBT2 is also connected with the cathode of the anode of diode D11 and diode D9,
One end of capacitor PBus is connected with the cathode of the diode D11, the other end and the anode of diode D9 and the yin of diode D10
Extremely it is connected, one end of capacitor NBus is connected with the cathode of the anode of the diode D9 and diode D10, the other end and diode
The anode of D12 is connected, the cathode of the anode of the diode D10 and the diode D12 with the source electrode phase of the IGBT2
Even；
The P3 pin is connected through inductance L3 with the input terminal of the PFC/BOOST circuit, the drain electrode of the IGBT3 with it is described
The positive output end of PFC/BOOST circuit is connected, and source electrode is connected with the inverse output terminal of the PFC/BOOST circuit, grid and
The drive control circuit is connected, and the drain electrode of the IGBT3 is also connected with the cathode of the anode of diode D14 and diode D18,
One end of capacitor PBus is connected with the cathode of the diode D14, the anode and diode D13 of the other end and diode D18
Cathode is connected, and one end of capacitor NBus is connected with the cathode of the anode of the diode D18 and diode D13, the other end and two
The anode of pole pipe D15 is connected, source electrode of the cathode of the anode of the diode D13 and the diode D15 with the IGBT3
It is connected；
When external power supply is exchange input, the corresponding insulated gate bipolar transistor conducting of the drive control circuit；
When external power supply is that direct current inputs, the corresponding insulated gate bipolar transistor of the drive control circuit is disconnected；
Under the premise of the IGBT1, the IGBT2, the IGBT3 are all turned on, in period t1 to t2, P1 electric current passes through
L1, D1, IGBT1, D4 reach G, and P3 electric current reaches G by L3, D16, IGBT3, D13, and G point electric current passes through D9, IGBT2, D8, L2
Reach P2；
In period t2 to t3, P1 electric current reaches G by L1, D1, IGBT1, D4, and G point electric current is arrived by D9, IGBT2, D8, L2
Up to P2, G point electric current reaches P3 by D18, IGBT3, D17, L3；
In period t3 to t4, P1 electric current reaches G by L1, D1, IGBT1, D4；P2 electric current is arrived by L2, D7, IGBT2, D10
Up to G, G point electric current reaches P3 by D18, IGBT3, D17, L3；
In period t4 to t5, P2 electric current reaches G by L2, D7, IGBT2, D10；G point electric current is arrived by D3, IGBT1, D2, L1
Up to P1, G point electric current reaches P3 by D18, IGBT3, D17, L3；
In period t5 to t6, P2 electric current reaches G by L2, D7, IGBT2, D10, and P3 electric current passes through L3, D16, IGBT3, D13
G is reached, G point electric current reaches P1 by D3, IGBT1, D2, L1；
In period t6 to t7, P3 electric current reaches G by L3, D16, IGBT3, D13, and G point electric current passes through D3, IGBT1, D2, L1
P1 is reached, G point electric current reaches P2 by D9, IGBT2, D8, L2；
Under the premise of the IGBT1, the IGBT2, the IGBT3 are all off, in period t1 to t2, P1 electric current passes through
L1, D1, D5, PBus reach G, and P3 electric current reaches G by L3, D16, D14, PBus, and G point electric current is arrived by NBus, D12, D8, L2
Up to P2；
In period t2 to t3, P1 electric current reaches G by L1, D1, D5, PBus, and G point electric current is reached by NBus, D12, D8, L2
P2, G point electric current reach P3 by NBus, D15, D17, L3；
In period t3 to t4, P1 electric current reaches G by L1, D1, D5, PBus, and P2 electric current is reached by L2, D7, D11, PBus
G, G point electric current reach P3 by NBus, D15, D17, L3；
In period t4 to t5, P2 electric current reaches G by L2, D7, D11, PBus, and G point electric current is reached by NBus, D6, D2, L1
P1, G point electric current reach P3 by NBus, D15, D17, L3；
In period t5 to t6, P2 electric current reaches G by L2, D7, D11, PBus, and P3 electric current is arrived by L3, D16, D14, PBus
Up to G, G point electric current reaches P1 by NBus, D6, D2, L1；
In period t6 to t7, P3 electric current reaches G by L3, D16, D14, PBus, and G point electric current is arrived by NBus, D6, D2, L1
Up to P1, G point electric current reaches P2 by NBus, D12, D8, L2.
2. the charging circuit of compatible alternating current-direct current input as described in claim 1, which is characterized in that the PFC/BOOST circuit
And the DC/DC regulating circuit all includes shared inductance, insulated gate bipolar transistor, diode and capacitor；
The external power supply input interface is connected through inductance with the input terminal of the PFC/BOOST circuit, the insulated gate bipolar
The drain electrode of transistor npn npn is connected with the positive output end of the PFC/BOOST circuit, and source electrode is anti-with the PFC/BOOST circuit
It is connected to output end, grid is connected with the drive control circuit；
The drain electrode of the insulated gate bipolar transistor is also connected with the anode of the diode, one end of the capacitor with it is described
The cathode of diode is connected, and the other end is connected with the source electrode of the insulated gate bipolar transistor；
The drive control circuit controls the insulated gate bipolar transistor by sending control signal and is turned on or off realization
The conversion of the PFC/BOOST circuit and the DC/DC regulating circuit.
3. the charging circuit of compatible alternating current-direct current input as described in claim 1, which is characterized in that the drive control circuit is used for
Correct the power factor of the PFC/BOOST circuit.
4. the charging circuit of compatible alternating current-direct current input as described in claim 1, which is characterized in that the drive control circuit is
DSP circuit.
5. a kind of electric car charging module, which is characterized in that the charging circuit including a compatible alternating current-direct current input, the compatibility
The charging circuit of alternating current-direct current input includes external power supply input interface, PFC/BOOST circuit, DC/DC regulating circuit, Acquisition Circuit
And drive control circuit；
The output end of the external power supply input interface is connected with the input terminal of the PFC/BOOST circuit；
The output end of the PFC/BOOST circuit is connected with the input terminal of the DC/DC regulating circuit；The DC/DC pressure regulation
The output end of circuit is connected with the cell input terminal of the electric car；
The input terminal of the Acquisition Circuit is defeated with the output end of the external power supply input interface and DC/DC regulating circuit respectively
Outlet is connected, and output end is connected with the input terminal of the drive control circuit；
The output end of the drive control circuit is connected with the PFC/BOOST circuit and DC/DC regulating circuit respectively；
The drive control circuit analyzes output end and the institute of the collected external power supply input interface of the Acquisition Circuit
The PFC/BOOST circuit is controlled after stating the data of the output end of DC/DC regulating circuit or DC/DC regulating circuit is opened or closed
It closes；
The external power supply input interface is the connecting terminal for including four pins, four pins be respectively P1, P2, P3,
P4, the PFC/BOOST circuit and the DC/DC regulating circuit all include shared inductance L1, L2, L3, insulated gate bipolar
Transistor IGBT 1, IGBT2, IGBT3, diode D5, D6, D11, D12, D14, D15 and capacitor PBus, NBus；
The P1 pin is connected through inductance L1 with the input terminal of the PFC/BOOST circuit, the drain electrode of the IGBT1 with it is described
The positive output end of PFC/BOOST circuit is connected, and source electrode is connected with the inverse output terminal of the PFC/BOOST circuit, grid and
The drive control circuit is connected, and the drain electrode of the IGBT1 is also connected with the cathode of the anode of diode D5 and diode D3, electricity
The one end for holding PBus is connected with the cathode of the diode D5, the other end and the anode of diode D3 and the cathode phase of diode D4
Even, one end of capacitor NBus is connected with the cathode of the anode of the diode D3 and diode D4, and the other end is with diode D6's
Anode is connected, and the cathode of the anode of the diode D4 and the diode D6 are connected with the source electrode of the IGBT1；
The P2 pin is connected through inductance L2 with the input terminal of the PFC/BOOST circuit, the drain electrode of the IGBT2 with it is described
The positive output end of PFC/BOOST circuit is connected, and source electrode is connected with the inverse output terminal of the PFC/BOOST circuit, grid and
The drive control circuit is connected, and the drain electrode of the IGBT2 is also connected with the cathode of the anode of diode D11 and diode D9,
One end of capacitor PBus is connected with the cathode of the diode D11, the other end and the anode of diode D9 and the yin of diode D10
Extremely it is connected, one end of capacitor NBus is connected with the cathode of the anode of the diode D9 and diode D10, the other end and diode
The anode of D12 is connected, the cathode of the anode of the diode D10 and the diode D12 with the source electrode phase of the IGBT2
Even；
The P3 pin is connected through inductance L3 with the input terminal of the PFC/BOOST circuit, the drain electrode of the IGBT3 with it is described
The positive output end of PFC/BOOST circuit is connected, and source electrode is connected with the inverse output terminal of the PFC/BOOST circuit, grid and
The drive control circuit is connected, and the drain electrode of the IGBT3 is also connected with the cathode of the anode of diode D14 and diode D18,
One end of capacitor PBus is connected with the cathode of the diode D14, the anode and diode D13 of the other end and diode D18
Cathode is connected, and one end of capacitor NBus is connected with the cathode of the anode of the diode D18 and diode D13, the other end and two
The anode of pole pipe D15 is connected, source electrode of the cathode of the anode of the diode D13 and the diode D15 with the IGBT3
It is connected；
When external power supply is exchange input, the corresponding insulated gate bipolar transistor conducting of the drive control circuit；
When external power supply is that direct current inputs, the corresponding insulated gate bipolar transistor of the drive control circuit is disconnected；
Under the premise of the IGBT1, the IGBT2, the IGBT3 are all turned on, in period t1 to t2, P1 electric current passes through
L1, D1, IGBT1, D4 reach G, and P3 electric current reaches G by L3, D16, IGBT3, D13, and G point electric current passes through D9, IGBT2, D8, L2
Reach P2；
In period t2 to t3, P1 electric current reaches G by L1, D1, IGBT1, D4, and G point electric current is arrived by D9, IGBT2, D8, L2
Up to P2, G point electric current reaches P3 by D18, IGBT3, D17, L3；
In period t3 to t4, P1 electric current reaches G by L1, D1, IGBT1, D4；P2 electric current is arrived by L2, D7, IGBT2, D10
Up to G, G point electric current reaches P3 by D18, IGBT3, D17, L3；
In period t4 to t5, P2 electric current reaches G by L2, D7, IGBT2, D10；G point electric current is arrived by D3, IGBT1, D2, L1
Up to P1, G point electric current reaches P3 by D18, IGBT3, D17, L3；
In period t5 to t6, P2 electric current reaches G by L2, D7, IGBT2, D10, and P3 electric current passes through L3, D16, IGBT3, D13
G is reached, G point electric current reaches P1 by D3, IGBT1, D2, L1；
In period t6 to t7, P3 electric current reaches G by L3, D16, IGBT3, D13, and G point electric current passes through D3, IGBT1, D2, L1
P1 is reached, G point electric current reaches P2 by D9, IGBT2, D8, L2；
Under the premise of the IGBT1, the IGBT2, the IGBT3 are all off, in period t1 to t2, P1 electric current passes through
L1, D1, D5, PBus reach G, and P3 electric current reaches G by L3, D16, D14, PBus, and G point electric current is arrived by NBus, D12, D8, L2
Up to P2；
In period t2 to t3, P1 electric current reaches G by L1, D1, D5, PBus, and G point electric current is reached by NBus, D12, D8, L2
P2, G point electric current reach P3 by NBus, D15, D17, L3；
In period t3 to t4, P1 electric current reaches G by L1, D1, D5, PBus, and P2 electric current is reached by L2, D7, D11, PBus
G, G point electric current reach P3 by NBus, D15, D17, L3；
In period t4 to t5, P2 electric current reaches G by L2, D7, D11, PBus, and G point electric current is reached by NBus, D6, D2, L1
P1, G point electric current reach P3 by NBus, D15, D17, L3；
In period t5 to t6, P2 electric current reaches G by L2, D7, D11, PBus, and P3 electric current is arrived by L3, D16, D14, PBus
Up to G, G point electric current reaches P1 by NBus, D6, D2, L1；
In period t6 to t7, P3 electric current reaches G by L3, D16, D14, PBus, and G point electric current is arrived by NBus, D6, D2, L1
Up to P1, G point electric current reaches P2 by NBus, D12, D8, L2.
6. electric car charging module as claimed in claim 5, which is characterized in that the drive control circuit is for correcting institute
State the power factor of PFC/BOOST circuit.
7. electric car charging module as claimed in claim 5, which is characterized in that the drive control circuit is DSP circuit.
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| CN106936191B (en) * | 2017-04-19 | 2021-11-12 | 深圳华源技术实业有限公司 | Fill electric pile power module control circuit |
| CN108306154B (en) * | 2018-02-28 | 2019-05-24 | 北京车和家信息技术有限公司 | Charging interface conversion device and vehicle |
| CN111376759B (en) * | 2018-12-29 | 2022-05-13 | 比亚迪股份有限公司 | Vehicle-mounted charger and vehicle |
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| CN105226735A (en) * | 2014-06-13 | 2016-01-06 | 国家电网公司 | A kind of alternating current-direct current compatible type Vehicular charger front stage circuits and Vehicular charger |
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