CN208353049U - One kind being based on powerful two-way Vehicular charger circuit - Google Patents

Abstract

The utility model discloses one kind to be based on powerful two-way Vehicular charger circuit, it is related to power technique fields, it include: EMI circuit, soft charge road, LC filter circuit, power factor (PF) circuit, full-bridge LLC converter, host, slave, auxiliary power circuit, EMI circuit is connect with LC filter circuit, LC filter circuit is connect with soft charge road, soft charge road and power factor (PF) circuit connection, power factor (PF) circuit and full-bridge LLC converter, auxiliary power circuit connection, host and slave be connected with each other and respectively with full-bridge LLC converter, power factor (PF) circuit is connected with soft charge road, input terminal and input AC electricity of the EMI circuit as circuit, the output end of full-bridge LLC converter, output end of the output end of auxiliary power circuit as circuit, the output end of full-bridge LLC converter connects electricity The output end in pond, auxiliary power circuit is connect with electrical equipment.Advantage is small in size, and power density, transfer efficiency are relatively high, are conducive to permanent application.

Description

One kind being based on powerful two-way Vehicular charger circuit

Technical field

The utility model relates to power technique fields, are more particularly to a kind of electromechanical based on powerful two-way vehicle-mounted charge Road.

Background technique

With the sharp increase of world car yield, the problems such as traditional combustion engine automobile bring energy crisis pollutes, is increasingly Seriously, people is forced to have to the dynamical problem for rethinking future automobile.Zero-emission may be implemented in electric car, and uses Electric power is as driving force, and electric power belongs to the renewable sources of energy, therefore it becomes the hot spot that current automobile industry development closes research.

But electric car power supply voltage is generally relatively high, and general automobile is used below the electric appliance of 36V, so DC/DC converter is installed essential to provide low-tension supply on electric vehicle.But the DC/DC converter installed on electric vehicle is not It is same as general switch to want with you, it should meet the electric appliance standard of electric vehicle, and meet all electrical appliances on power Power requirement, therefore the DC/DC converter power is big.The transfer efficiency of existing two-way Vehicular charger is low, and it is permanent to be unfavorable for Using.

Utility model content

That the technical problem to be solved by the utility model is to the volumes of existing two-way Vehicular charger is big, transfer efficiency is low The problem of.

The utility model is to solve above-mentioned technical problem by the following technical programs:

One kind being based on powerful two-way Vehicular charger circuit, comprising: EMI circuit, soft charge road, LC filter circuit, Power factor (PF) circuit, full-bridge LLC converter, host, slave, auxiliary power circuit, the output end and the LC of the EMI circuit The input terminal of filter circuit connects, and the output end of the LC filter circuit is connect with the input terminal on the soft charge road, described soft The output end of charging circuit is connect with the input terminal of the power factor (PF) circuit, the output end of the power factor (PF) circuit and described complete The input terminal connection of bridge LLC converter, the auxiliary power circuit, the host and the slave be connected with each other and respectively with institute State full-bridge LLC converter, the power factor (PF) circuit connection, input of the input terminal of the EMI circuit as circuit for charging machine It holds and input AC electricity, output end, the output end of the auxiliary power circuit of the full-bridge LLC converter is electromechanical as charging The output end of the output end on road, the full-bridge LLC converter connects battery, and output end and the electricity consumption of the auxiliary power circuit are set Standby connection.

Preferably, the EMI circuit includes first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, One capacitor C1, the first common mode inductance Z1, the second capacitor C2, third capacitor C3, the 4th capacitor C4, first resistor R1 and second resistance R2 series connection, 3rd resistor R3 connect with the 4th resistance R4, series circuit, the third electricity of first resistor R1 and second resistance R2 formation Series circuit that resistance R3 and the 4th resistance R4 is formed, two input terminals that alternating current is connected in parallel between first capacitor C1 and first are total Between the first coil Same Name of Ends of mould inductance Z1 and the second coil Same Name of Ends, third capacitor C3 connects and incites somebody to action with the 4th capacitor C4 It is formed by that series circuit is in parallel with the second capacitor C2, the tie point ground connection of third capacitor C3, the 4th capacitor C4, the second capacitor C2, concatenated third capacitor C3 and the 4th capacitor C4 are connected in parallel on the first coil non-same polarity and second of the first common mode inductance Z1 Coil non-same polarity, EMI circuit two output ends between.

Preferably, the LC filter circuit includes the second common mode inductance Z2, the 7th capacitor C7, the 8th capacitor C8, the 9th electricity Hold C9, the first coil Same Name of Ends of the second common mode inductance Z2 and the second coil Same Name of Ends respectively with the first output end of EMI circuit, Second output terminal connection, it is non-same that the 7th capacitor C7 is connected to the first coil non-same polarity of the second common mode inductance Z2, the second coil Between name end, one end of the 9th capacitor C9 is connect with the second coil non-same polarity of the second common mode inductance Z2, the 9th capacitor C9's Other end ground connection, one end of the 8th capacitor C8 are connect with the first coil non-same polarity of the second common mode inductance Z2, the 8th capacitor C8 Other end ground connection, the tie point of the first coil non-same polarity of the second common mode inductance Z2 and the 7th capacitor C7 are as LC filtering The output end of circuit, and connect with the input terminal on soft charge road.

Preferably, the soft charge road includes first diode D1, the second diode D2, third diode D3, the four or two Pole pipe D4, thyristor VT, the 6th resistance R6, the second transformer T2, the 5th capacitor C5, the first NMOS tube N1, the 6th diode D6, First inductance L1, the 7th diode D7, the 6th capacitor C6, first diode D1 connect with the second diode D2, third diode D3 connects with the 4th diode D4, the tie point of first diode D1 and the second diode D2, the input terminal as soft charge road It is connect with the output end of LC filter circuit, the tie point ground connection of third diode D3 and the 4th diode D4, first diode D2, third diode D3 cathode connect with the anode of one end of the 5th resistance R5, thyristor VT, the second diode D2, the 4th The anode of diode D4 is connect with the source electrode of one end of the 5th capacitor C5, the first NMOS pipe N1, the both ends connection of the 5th resistance R5 Between the anode and cathode of thyristor VT, the 6th resistance R6 is connected to the non-of the same name of the first primary coil of the second transformer T2 Between end and the gate pole of thyristor VT, the Same Name of Ends of the first primary coil of the second transformer T2 and the cathode of thyristor VT connect It connects, the second primary coil non-same polarity of the second transformer T2 is connect with the cathode of thyristor VT, the drain electrode of the first NMOS pipe N1 It is connected to the Same Name of Ends of the second primary coil of the second transformer T2, the grid of the first NMOS tube connects driver, the six or two pole The anode of pipe D6 is connect with the secondary side non-same polarity of the second transformer T2, and the cathode of the 6th capacitor C6, the 7th diode D7 are just Pole is connect with the secondary side Same Name of Ends of the second transformer T2, the cathode of one end of the first inductance LI and the 6th diode D6, the seven or two The cathode of pole pipe D7 connects, and the other end of the first inductance L1 is connect with the anode of the 6th capacitor C6, and as soft charge road First output end is simultaneously connect with the input terminal of power factor (PF) circuit, secondary side Same Name of Ends, the 7th diode D7 of the second transformer T2 Anode, the 6th capacitor C6 cathode as soft charge road second output terminal and connect with the input terminal of power factor (PF) circuit.

Preferably, the auxiliary power circuit includes flyback controller, the 7th resistance R7, the 8th resistance R8, the 9th electricity Hinder R9, the tenth resistance R10, the tenth capacitor C10, the 8th diode D8, the 4th transformer T4, Schottky diode D9, the 11st Capacitor C11, the 12nd capacitor C12, the second inductance L1, the 13rd capacitor C13, the 14th capacitor C14, eleventh resistor R11, 12 resistance R12, the tenth diode D10, thirteenth resistor R13, the 14th resistance R14, the 15th capacitor C15, the 15th electricity Hinder R15, the 16th resistance R16, the 16th capacitor C16, the 11st diode D11, the 12nd diode D12, the first field-effect Pipe Q1, the 7th resistance R7 connect with the 8th resistance R8, and the 9th resistance R9 connects with the tenth resistance R10, the 9th resistance R9 and the tenth Capacitor C10 is in parallel, and the 7th resistance R7's is same with the primary side first coil of the disconnected point and the 4th transformer T4 of the 9th resistance R9 Name end connection, as auxiliary power circuit input terminal and connect with the output end of power factor (PF) circuit, the 8th resistance R8's is non- The connection of the second pin of tie point and flyback controller, the cathode of the disconnected point and the 8th diode D8 of the tenth resistance R10 The anode of connection, the 8th diode D8 is connect with primary side the second coil non-same polarity of the 4th transformer T4, the 4th transformer T4 Primary side the second coil non-same polarity connect with the drain electrode of the first field-effect tube Q1, the primary side first coil of the 4th transformer T4 is non- Same Name of Ends is connect with the Same Name of Ends of the second coil of primary side, the primary side tertiary coil non-same polarity of the 4th transformer T4 and the 13rd electricity One end of R13, one end connection of eleventh resistor R11 are hindered, eleventh resistor R11 and twelfth resistor R12 are connected in series and connect The connection of 6th pin of contact and flyback controller, the disconnected point ground connection of twelfth resistor R12, thirteenth resistor R13's The other end is connect with the anode of the tenth diode D10, and the cathode of the tenth diode D10 and the second pin of flyback controller connect It connects, the 15th capacitor C15 is connected between the second pin of flyback controller and ground, and the second pin of flyback controller is all Supply voltage is connect, the 14th resistance R14 connects between the first pin and ground of flyback controller, the grid of the first field-effect tube Q1 The connection of the third pin of pole and flyback controller, the 11st diode D11 and the 12nd diode D12 anti-series are simultaneously connected to Between the grid and source electrode of first field-effect tube Q1, the cathode of the 11st diode D11 connects the grid of the first field-effect tube Q1, the The cathode of 12 diode D12 connects the source electrode of the first field-effect tube Q1, one end of the 15th resistance R15, the 16th resistance R16 One end is connect with the drain electrode of the first effect pipe Q1, and the other end of the 15th resistance R15 and the 4th pin of flyback controller connect It connects, one end of the 16th capacitor C16 and the 4th pin of flyback controller connect, the 16th capacitor C16, the 16th resistance The other end of R16 is grounded, the secondary side Same Name of Ends ground connection of the 4th transformer T4, the secondary side non-same polarity of the 4th transformer T4 and Xiao The anode connection of special based diode D9, a termination Schottky diode D9 the 11st capacitor C11 in parallel with the 12nd capacitor C12 Cathode, it is another termination the second inductance L2 one end, the 13rd capacitor C13 of another termination, the 14th capacitor of the second inductance L2 One end of C14 is attached, the 11st capacitor C11, the 12nd as the output end of auxiliary power circuit, and with electrical equipment The other end ground connection of capacitor C12, the 13rd capacitor C13, the 14th capacitor C14.

Preferably, the flyback controller selects UCC28700QDBVRQ1 model.

Preferably, the power factor (PF) circuit includes rectifier bridge, the second field-effect tube Q2, third field-effect tube Q3, the tenth The second pin of seven capacitor C17, capacitor and resistance combination device, the input terminal of rectifier bridge is connect with the output end on soft charge road, whole First pin of stream bridge is connect with capacitor with resistance combination device, and the output end of capacitor and resistance combination device is as power factor (PF) circuit Output end, and connect with the input terminal of the input terminal of full-bridge LLC converter, auxiliary power circuit, the third pin of rectifier bridge It is connected on the tie point of the drain electrode of the second field-effect tube Q2 and the drain electrode connection of third field-effect tube Q3, the 4th of rectifier bridge draws Foot ground connection, the 17th capacitor C17 are connected in parallel between the drain electrode of the second field-effect tube Q2 and the drain electrode of third field-effect tube Q3, In, the second field-effect tube Q2, third field-effect tube Q3 connection driver.

Preferably, the capacitor and resistance combination device include capacitor and resistance, and resistor coupled in parallel is at capacitor both ends, and capacitor is just The connection of first pin of pole and rectifier bridge, and include at least two capacitors and resistance combination device.

Preferably, the full-bridge LLC converter includes the 6th field-effect tube Q6, the 7th field-effect tube Q7, the 8th field-effect Pipe Q8, the 9th field-effect tube Q9, the tenth field-effect tube Q10, the 11st field-effect tube Q11, third inductance L3, the 4th inductance L4, 5th transformer T5, the 23rd capacitor C23, the 24th capacitor C24, the 25th capacitor C25, the 6th field-effect tube Q6's Source electrode is connect with the drain electrode of the 7th field-effect tube Q7, and the drain electrode of the source electrode and the 9th field-effect tube Q9 of the 8th field-effect tube Q8 connects It connects, the 6th field-effect tube Q6, the series circuit of the 7th field-effect tube Q7 and the string of the 8th field-effect tube Q8, the 9th field-effect tube Q9 Join circuit and carry out parallel connection, is attached as the input terminal of full-bridge LLC converter, and with the output end of power factor (PF) circuit, the One end of three inductance L3 is connected on the source electrode of the 6th field-effect tube Q6 and the drain junction of the 7th field-effect tube Q7, third electricity The other end of sense L3 is connect with one end of the 23rd capacitor C23, the other end and the 5th transformer of the 23rd diode C23 The original side of the same name of T5 connects, and the 4th inductance L4 is connected in parallel between the original side of the same name and non-same polarity of the 5th transformer, and the 5th The secondary side non-same polarity of transformer T5 is connected to the source electrode of the 8th field-effect tube Q8 and the drain junction of the 9th field-effect tube Q9 On, the secondary side Same Name of Ends of the 5th transformer T5 is connect with the drain electrode of the 11st field-effect tube Q11, the source of the tenth field-effect tube Q10 Pole, the 11st field-effect tube Q11 source electrode ground connection, the non-secondary side Same Name of Ends of the 5th transformer T5 and the tenth field-effect tube Q10's Drain electrode connection, the 24th capacitor C24 is in parallel with the 25th capacitor C25 and one end all connects with the control terminal of the 5th transformer It connects, and the output end as full-bridge LLC converter, the other end of the 24th capacitor C24 and the 25th capacitor C25 all connect Ground, wherein the 6th field-effect tube Q6, the 7th field-effect tube Q7, the 8th field-effect tube Q8, the 9th field-effect tube Q9, the tenth effect It should pipe Q10, the 11st field-effect tube Q11 grid connection driver.

A kind of two-way Vehicular charger is also disclosed in the utility model, is based on using described one kind powerful two-way vehicle-mounted Circuit for charging machine.

The utility model has the advantage that compared with prior art

In the utility model in vehicle-mounted charge, AC220V alternating current charges to automobile batteries, will when as inverter Automobile battery power issues instruction output outward according to middle controller, feeds back to alternating current electricity consumption, the settable retention of battery capacity, To ensure automobile electric discharge normally travel；It is driven based on multiple field-effect tube by isolated gate driver when in the present invention It is dynamic, under 220V input voltage and 6.6KW total power, it can be realized 97% or more efficiency, it can be real by C200 controller The time control of adaptive dead zone is closed in existing cut phase, so as to improve the power factor (PF) under light condition.Gate drivers plate can mention For 4A peak value sourcing current pole 6A peak value sink current.Less than 3, power factor (PF) is greater than for the harmonic distortion of the two-way Vehicular charger 97%, auxiliary power circuit 14V/10A can work in -40-+85 degree Celsius range.The body of powerful two-way Vehicular charger Product is small, light-weight, performance is stable, waterproof, shockproof suitable for various environment, outside line is simple, when input positive and negative anodes are reversed not It will start, avoid damaging, input saves cost without electric arc.

Detailed description of the invention

Fig. 1 is a kind of structural representation based on powerful two-way Vehicular charger circuit of the utility model embodiment Figure.

Fig. 2 is a kind of EMI circuit based on powerful two-way Vehicular charger circuit of the utility model embodiment Circuit diagram.

Fig. 3 is a kind of soft charge road based on powerful two-way Vehicular charger circuit of the utility model embodiment Circuit diagram.

Fig. 4 is a kind of LC filter circuit based on powerful two-way Vehicular charger circuit of the utility model embodiment Circuit diagram.

Fig. 5 is a kind of accessory power supply electricity based on powerful two-way Vehicular charger circuit of the utility model embodiment The circuit diagram on road.

Fig. 6 is a kind of power factor (PF) electricity based on powerful two-way Vehicular charger circuit of the utility model embodiment The circuit diagram on road.

Fig. 7 is that a kind of full-bridge LLC based on powerful two-way Vehicular charger circuit of the utility model embodiment becomes The circuit diagram of parallel operation.

Specific embodiment

It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited In following embodiments.

As shown in Figure 1, powerful two-way Vehicular charger circuit, comprising: EMI circuit, soft charge road, LC filtered electrical Road, power factor (PF) circuit, full-bridge LLC converter, host, slave, auxiliary power circuit, the output end and LC of EMI circuit filter The input terminal of circuit connects, and the output end of LC filter circuit is connect with the input terminal on soft charge road, the output end on soft charge road and The input terminal of power factor (PF) circuit connects, the output end of power factor (PF) circuit and full-bridge LLC converter, auxiliary power circuit it is defeated Enter end connection, host and slave be connected with each other and respectively with full-bridge LLC converter, power factor (PF) circuit connection, EMI circuit it is defeated The input terminal and input AC for entering end as circuit for charging machine are electric, the output end of full-bridge LLC converter, auxiliary power circuit it is defeated The output end of output end of the outlet as circuit for charging machine, full-bridge LLC converter connects battery, the output end of auxiliary power circuit It is connect with electrical equipment.

As shown in Fig. 2, EMI circuit include resistance R1, resistance R2, resistance R3, resistance R4, capacitor C1, common mode inductance Z1, Capacitor C2, capacitor C3, capacitor C4, resistance R1 connect with resistance R2, and resistance R3 connects with resistance R4, and resistance R1 is formed with resistance R2 Series circuit, resistance R3 and resistance R4 formed series circuit, two input terminals and altogether of alternating current are connected in parallel between capacitor C1 Between the coil n1 Same Name of Ends and coil n2 Same Name of Ends of mould inductance Z1, capacitor C3 connects with capacitor C4 and will be formed by series connection Circuit is in parallel with capacitor C2, and the tie point ground connection of capacitor C3, capacitor C4, capacitor C2, concatenated capacitor C3 and the 4th capacitor C4 are simultaneously Be associated in common mode inductance Z1 coil n1 non-same polarity and coil n2 non-same polarity, EMI circuit two output ends between.Wherein, electric Hinder R1, resistance R2, resistance R3, resistance R4 resistance value be 330 ohm, capacitor C1, capacitor C2 capacitance be 220pF, capacitor C3, The capacitance of capacitor C4 is 220pF.

As shown in figure 3, soft charge road includes diode D1, diode D2, diode D3, diode D4, thyristor VT, electricity Hinder R6, transformer T2, capacitor C5, NMOS tube N1, diode D6, inductance L1, diode D7, capacitor C6, diode D1 and two poles Pipe D2 series connection, diode D3 connect with diode D4, the tie point of diode D1 and diode D2, as the defeated of soft charge road Enter end to connect with the output end of LC filter circuit, the tie point of diode D3 and diode D4 are grounded, diode D2, diode The cathode of D3 is connect with the anode of one end of resistance R5, thyristor VT, diode D2, diode D4 anode with capacitor C5 The source electrode connection of one end, NMOS tube N1, the both ends of resistance R5 are connected between the anode and cathode of thyristor VT, resistance R6 connection Between the non-same polarity of the primary coil n1 of transformer T2 and the gate pole of thyristor VT, the primary coil n1's of transformer T2 is same Name end is connect with the cathode of thyristor VT, and the primary coil n2 non-same polarity of transformer T2 is connect with the cathode of thyristor VT, The drain electrode of NMOS pipe N1 is connected to the Same Name of Ends of the primary coil n2 of transformer T2, and the grid of NMOS tube connects driver, two poles The anode of pipe D6 is connect with the secondary side non-same polarity of transformer T2, the cathode of capacitor C6, the anode of diode D7 and transformer T2 The connection of secondary side Same Name of Ends, one end of inductance LI connect with the cathode of the cathode of diode D6, diode D7, and inductance L1's is another One end is connect with the anode of capacitor C6, and is connect as the output end on soft charge road 1 and with the input terminal of power factor (PF) circuit, The secondary side Same Name of Ends of transformer T2, the anode of diode D7, capacitor C6 output end 2 and and power of the cathode as soft charge road The input terminal of element circuit connects.Wherein, the resistance value of resistance R6 is 1K, and the capacitance of capacitor C5 is 0.1uF, and the capacitance of capacitor C6 is 10uF。

As shown in figure 4, LC filter circuit includes transformer T3, capacitor C7, capacitor C8, capacitor C9, the line of common mode inductance Z2 Circle n1 Same Name of Ends is connect with the output end 1 of EMI circuit, output end 2 respectively with coil n2 Same Name of Ends, and capacitor C7 is connected to common mode electricity Feel between the coil n1 non-same polarity of Z2, coil n2 non-same polarity, one end of capacitor C9 and the coil n2 of common mode inductance Z2 are non-together The connection of name end, the other end ground connection of capacitor C9, one end of capacitor C8 are connect with the coil n1 non-same polarity of common mode inductance Z2, capacitor The other end of C8 is grounded, the output of the coil n1 non-same polarity of common mode inductance Z2 and the tie point of capacitor C7 as LC filter circuit End, and connect with the input terminal of power factor (PF) circuit.Wherein, capacitor C7, capacitor C8, capacitor C9 capacitance be respectively 2.2uF, 2200pF, 2200pF.

As shown in figure 5, auxiliary power circuit include flyback controller, resistance R7, resistance R8, resistance R9, resistance R10, Tenth capacitor C10, diode D8, the 4th transformer T4, diode D9, capacitor C11, capacitor C12, inductance L2, capacitor C13, electricity Hold C14, resistance R11, resistance R12, diode D10, resistance R13, resistance R14, capacitor C15, resistance R15, resistance R16, capacitor C16, diode D11, diode D12, field-effect tube Q1, resistance R7 connect with resistance R8, and resistance R9 connects with resistance R10, electricity Resistance R9 is in parallel with capacitor C10, and resistance R7, the disconnected point of resistance R9 are connect with the primary coil n1 Same Name of Ends of transformer T4, electricity The pin 2 of the disconnected point and flyback controller that hinder R8 connects, and the disconnected point of resistance R10 and the cathode of diode D8 connect It connects, the anode of diode D8 is connect with the coil n2 primary side non-same polarity of transformer T4, and the primary coil n2 of transformer T4 is non-same Name end is connect with the drain electrode of field-effect tube Q1, and the primary coil n1 non-same polarity of the 4th transformer T4 is of the same name with primary coil n2's End connection, the primary coil n3 non-same polarity of transformer T4 are connect with one end of one end of resistance R13, resistance R11, resistance R11 It is connected in series with resistance R12 and the pin 6 of tie point and flyback controller is connect, the disconnected point ground connection of resistance R12, resistance The other end of R13 is connect with the anode of diode D10, and the cathode of diode D10 and the pin 2 of flyback controller connect, electricity Hold C15 to be connected between the pin 2 of flyback controller and ground, the pin 2 of flyback controller all connects supply voltage, resistance R14 connects between the pin 1 and ground of flyback controller, and the grid of field-effect tube Q1 and the pin 3 of flyback controller connect, Diode D11 and diode D12 anti-series are simultaneously connected between the grid and source electrode of field-effect tube Q1, the cathode of diode D11 Connect the grid of field-effect tube Q1, the cathode of diode D12 connects the source electrode of field-effect tube Q1, one end of resistance R15, resistance R16 One end is connect with the drain electrode of effect pipe Q1, and one end of resistance R15 and the pin 4 of flyback controller connect, and the one of capacitor C16 End is connect with the pin 4 of flyback controller, the other end ground connection of capacitor C16, resistance R16, the secondary side Same Name of Ends of transformer T4 Ground connection, the secondary side non-same polarity of transformer T4 are connect with the anode of diode D9, the simultaneously one end in parallel capacitor C11 and capacitor C12 Connect the cathode of diode D9, one end of another termination and inductance L2, the one of another termination capacitor C13 of inductance L2, capacitor C14 End, is attached, capacitor C11, capacitor C12, capacitor C13, capacitor as the output end of auxiliary power circuit, and with electrical equipment The other end of C14 is grounded.Wherein, flyback controller selects UCC28700QDBVRQ1 model.The resistance value of resistance R7, resistance R8 For 2M, resistance R9, resistance R10 resistance value be 200K, the capacitance of capacitor C10 is 1000pF, and the capacitance of capacitor C11 is 1uF, electricity Hold C12, the capacitance of capacitor C13 is 220uF, the capacitance of capacitor C14 is 1uF, and the resistance value of resistance R11 is 80.5K, resistance R12's Resistance value is 28K, and the resistance value of resistance R13 is 20K, and the resistance value of resistance R14 is 10K, and the capacitance of capacitor C15 is 10uF, resistance R15 Resistance value be 1K, the resistance value of resistance R16 is 2.7K, and the capacitance of capacitor C16 is 6.8pF.

As shown in fig. 6, power factor (PF) circuit include rectifier bridge, field-effect tube Q2, field-effect tube Q3 capacitor C17, capacitor with The pin 2 of resistance combination device, the input terminal of rectifier bridge is connect with the output end on soft charge road, the pin 1 of rectifier bridge and capacitor with Output end of the output end of the connection of resistance combination device, capacitor and resistance combination device as power factor (PF) circuit, and become with full-bridge LLC The input terminal connection of the input terminal, auxiliary power circuit of parallel operation, the pin 3 of rectifier bridge are connected to drain electrode and the field of field-effect tube Q2 On the tie point of the drain electrode connection of effect pipe Q3, the pin 4 of rectifier bridge is grounded, and capacitor C17 is connected in parallel on the drain electrode of field-effect tube Q2 Between drain electrode with field-effect tube Q3, wherein the grid connection driver of field-effect tube Q2, field-effect tube Q3.Wherein, capacitor with Resistance combination device includes capacitor and resistance, and resistor coupled in parallel is connect in capacitor both ends, the anode of capacitor with the pin 1 of rectifier bridge, and Including at least two capacitors and resistance combination device.4 groups of capacitors and resistance combination device, resistance R17 are connected in parallel on capacitor in the present embodiment The both ends of C19 are simultaneously connected in series with the resistance R18 circuit for being connected in parallel on the both ends of capacitor C20, and resistance R19 is connected in parallel on capacitor C21's Both ends are simultaneously connected in series with the resistance R20 circuit for being connected in parallel on the both ends of capacitor C22.Wherein, the capacitance of capacitor C17 is 0.1uF, electricity Hold C19, capacitor C20, capacitor C21, capacitor C22 capacitance be 150uF, resistance R17, resistance R18, resistance R17, resistance R18 Resistance value is 1M.

As shown in fig. 7, full-bridge LLC converter includes field-effect tube Q6, field-effect tube Q7, field-effect tube Q8, field-effect tube Q9, field-effect tube Q10, field-effect tube Q11, inductance L3, inductance L4, transformer T5, capacitor C23, capacitor C24, capacitor C25, field The source electrode of effect pipe Q6 is connect with the drain electrode of field-effect tube Q7, and the source electrode of field-effect tube Q8 is connect with the drain electrode of field-effect tube Q9, Field-effect tube Q6, the series circuit of field-effect tube Q7 are in parallel with field-effect tube Q8, the series circuit progress of field-effect tube Q9, as The input terminal of full-bridge LLC converter, and be attached with the output end of power factor (PF) circuit, one end connection of inductance L3 is on the scene On the source electrode of effect pipe Q6 and the drain junction of field-effect tube Q7, the other end of inductance L3 is connect with one end of capacitor C23, and two The other end of pole pipe C23 is connect with the original side of the same name of transformer T5, inductance L4 be connected in parallel on the original side of the same name of transformer with it is non- Between Same Name of Ends, the source electrode that the secondary side non-same polarity of transformer T5 is connected to field-effect tube Q8 is connect with the drain electrode of field-effect tube Q9 On point, the secondary side Same Name of Ends of transformer T5 is connect with the drain electrode of field-effect tube Q11, the source electrode of field-effect tube Q10, field-effect tube The source electrode of Q11 is grounded, and the non-secondary side Same Name of Ends of transformer T5 is connect with the drain electrode of field-effect tube Q10, capacitor C24 and capacitor C25 In parallel and one end is all connect with the control terminal of the 5th transformer, and the output end as full-bridge LLC converter, capacitor C24 and electricity The other end for holding C25 is all grounded.Wherein, the capacitance of capacitor C23 is 1uF, and the capacitance of capacitor C24 is 47uF, the capacitance of capacitor C25 For 470uF.

To sum up, when circuit is connected, surge is prevented by EMI circuit for eliminating electromagnetic interference, and using soft soft charge road of filling, when When two-way Vehicular charger is as charger, when alternating current then when soft charge road work, power factor (PF) circuit work, to circuit In capacitor charge, after charging close soft charge road, when as inverter, soft charge road close, LC filtering open It is dynamic, wherein when charger, power factor (PF) electricity is as AC-DC conversion circuit, when as inverter, power factor (PF) circuit and LC filtering is used as DC-AC conversion circuit, and slave receives host command and controls power factor (PF) circuit, and host passes through CAN bus control Vehicular charger processed charges the battery.The input voltage of Vehicular charger is 86V-265V, operating power 6.6KW, defeated Voltage out is 220V-415V, and peak efficiencies are greater than 95%, and harmonic distortion is less than 3, and power factor (PF) is greater than 97%, accessory power supply Circuit 14V/10A can work in -40-+85 degree Celsius range.Powerful two-way Vehicular charger it is small in size, light-weight, Performance stabilization, waterproof, shockproof suitable for various environment, outside line is simple, and input positive and negative anodes not will start when reversed, avoid damaging Bad, input saves cost without electric arc；And converter full-closed structure, metal shell is using the double-deck antirust treatment, internal electricity Road plate, connector carry out moisture proof, the processing such as anti-mildew and protection from fumes.

Charger protection process is as follows:

Inverter includes process, is as follows:

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. one kind is based on powerful two-way Vehicular charger circuit characterized by comprising EMI circuit, soft charge road, LC Filter circuit, power factor (PF) circuit, full-bridge LLC converter, host, slave, auxiliary power circuit, the output of the EMI circuit End is connect with the input terminal of the LC filter circuit, and the input terminal on the output end of the LC filter circuit and the soft charge road connects It connects, the output end on the soft charge road is connect with the input terminal of the power factor (PF) circuit, the output of the power factor (PF) circuit End is connect with the input terminal of the full-bridge LLC converter, the auxiliary power circuit, and the host and the slave are connected with each other And respectively with the full-bridge LLC converter, the power factor (PF) circuit connection, the input terminal of the EMI circuit is as charger Input terminal and the input AC electricity of circuit, the output end of the full-bridge LLC converter, the output end of the auxiliary power circuit are made Output end for the output end of circuit for charging machine, the full-bridge LLC converter connects battery, the output of the auxiliary power circuit End is connect with electrical equipment.

2. according to claim 1 a kind of based on powerful two-way Vehicular charger circuit, which is characterized in that described EMI circuit includes first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, first capacitor C1, the first common mode electricity Feel Z1, the second capacitor C2, third capacitor C3, the 4th capacitor C4, first resistor R1 connects with second resistance R2,3rd resistor R3 and Series circuit, 3rd resistor R3 and the 4th resistance R4 shape that 4th resistance R4 series connection, first resistor R1 and second resistance R2 are formed At series circuit, the first coil of two input terminals and the first common mode inductance Z1 that alternating current is connected in parallel between first capacitor C1 it is same Between name end and the second coil Same Name of Ends, third capacitor C3 connects with the 4th capacitor C4 and will be formed by series circuit and second Capacitor C2 is in parallel, the tie point ground connection of third capacitor C3, the 4th capacitor C4, the second capacitor C2, concatenated third capacitor C3 and the Four capacitor C4 be connected in parallel on the first common mode inductance Z1 first coil non-same polarity and the second coil non-same polarity, EMI circuit two Between output end.

3. according to claim 1 a kind of based on powerful two-way Vehicular charger circuit, which is characterized in that the LC Filter circuit includes the second common mode inductance Z2, the 7th capacitor C7, the 8th capacitor C8, the 9th capacitor C9, the second common mode inductance Z2's First coil Same Name of Ends is connect with the first output end of EMI circuit, second output terminal respectively with the second coil Same Name of Ends, and the 7th Capacitor C7 is connected between the first coil non-same polarity of the second common mode inductance Z2, the second coil non-same polarity, the 9th capacitor C9 One end connect with the second coil non-same polarity of the second common mode inductance Z2, the other end of the 9th capacitor C9 ground connection, the 8th capacitor One end of C8 is connect with the first coil non-same polarity of the second common mode inductance Z2, and the other end ground connection of the 8th capacitor C8, second is total The output end of the first coil non-same polarity of mould inductance Z2 and the tie point of the 7th capacitor C7 as LC filter circuit, and filled with soft The input terminal of circuit connects.

4. according to claim 1 a kind of based on powerful two-way Vehicular charger circuit, which is characterized in that described soft Charging circuit includes first diode D1, the second diode D2, third diode D3, the 4th diode D4, thyristor VT, the 6th electricity Hinder R6, the second transformer T2, the 5th capacitor C5, the first NMOS tube N1, the 6th diode D6, the first inductance L1, the 7th diode D7, the 6th capacitor C6, first diode D1 connect with the second diode D2, and third diode D3 connects with the 4th diode D4, The tie point of first diode D1 and the second diode D2 connect as the input terminal on soft charge road and the output end of LC filter circuit It connects, the tie point of third diode D3 and the 4th diode D4 ground connection, first diode D2, the cathode of third diode D3 and the The anode connection of one end, thyristor VT of five resistance R5, anode and the 5th capacitor C5 of the second diode D2, the 4th diode D4 One end, the first NMOS tube N1 source electrode connection, the both ends of the 5th resistance R5 are connected between the anode and cathode of thyristor VT, 6th resistance R6 is connected between the non-same polarity of the first primary coil of the second transformer T2 and the gate pole of thyristor VT, and second The Same Name of Ends of the first primary coil of transformer T2 is connect with the cathode of thyristor VT, the second primary coil of the second transformer T2 Non-same polarity is connect with the cathode of thyristor VT, and the drain electrode of the first NMOS tube N1 is connected to the second primary side line of the second transformer T2 The Same Name of Ends of circle, the grid of the first NMOS tube connect driver, the secondary side of the anode and the second transformer T2 of the 6th diode D6 Non-same polarity connection, cathode, the anode of the 7th diode D7 of the 6th capacitor C6 connect with the secondary side Same Name of Ends of the second transformer T2 It connects, one end of the first inductance LI is connect with the cathode of the cathode of the 6th diode D6, the 7th diode D7, and the first inductance L1's is another One end is connect with the anode of the 6th capacitor C6, and the input as first output end on soft charge road and with power factor (PF) circuit End connection, the secondary side Same Name of Ends of the second transformer T2, the anode of the 7th diode D7, the 6th capacitor C6 cathode as soft charge The second output terminal on road is simultaneously connect with the input terminal of power factor (PF) circuit.

5. according to claim 1 a kind of based on powerful two-way Vehicular charger circuit, which is characterized in that described auxiliary Helping power circuit includes flyback controller, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the tenth resistance R10, the tenth Capacitor C10, the 8th diode D8, the 4th transformer T4, Schottky diode D9, the 11st capacitor C11, the 12nd capacitor C12, Second inductance L1, the 13rd capacitor C13, the 14th capacitor C14, eleventh resistor R11, twelfth resistor R12, the tenth diode D10, thirteenth resistor R13, the 14th resistance R14, the 15th capacitor C15, the 15th resistance R15, the 16th resistance R16, 16 capacitor C16, the 11st diode D11, the 12nd diode D12, the electricity of the first field-effect tube Q1, the 7th resistance R7 and the 8th R8 series connection is hindered, the 9th resistance R9 connects with the tenth resistance R10, and the 9th resistance R9 is in parallel with the tenth capacitor C10, the 7th resistance R7's It is connect with the disconnected point of the 9th resistance R9 with the primary side first coil Same Name of Ends of the 4th transformer T4, as auxiliary power circuit Input terminal and connect with the output end of power factor (PF) circuit, the second of the disconnected point of the 8th resistance R8 and flyback controller Pin connection, the disconnected point of the tenth resistance R10 connect with the cathode of the 8th diode D8, the 8th diode D8 positive and the Primary side the second coil non-same polarity of four transformer T4 connects, primary side the second coil non-same polarity of the 4th transformer T4 and first The drain electrode of field-effect tube Q1 connects, the primary side first coil non-same polarity of the 4th transformer T4 and the Same Name of Ends of the second coil of primary side One end of connection, the primary side tertiary coil non-same polarity of the 4th transformer T4 and thirteenth resistor R13, eleventh resistor R11 One end connection, eleventh resistor R11 and twelfth resistor R12 are connected in series and the 6th pin of tie point and flyback controller The anode of connection, the disconnected point ground connection of twelfth resistor R12, the other end of thirteenth resistor R13 and the tenth diode D10 are even It connects, the cathode of the tenth diode D10 and the second pin of flyback controller connect, and the 15th capacitor C15 is connected to inverse-excitation type Between the second pin and ground of controller, the second pin of flyback controller all connects supply voltage, and the 14th resistance R14 connects Between the first pin and ground of flyback controller, the grid of the first field-effect tube Q1 and the third pin of flyback controller connect Connect, the 11st diode D11 and the 12nd diode D12 anti-series and be connected to the first field-effect tube Q1 grid and source electrode it Between, the cathode of the 11st diode D11 connects the grid of the first field-effect tube Q1, and the cathode of the 12nd diode D12 connects first The drain electrode of the source electrode of effect pipe Q1, one end of the 15th resistance R15, one end of the 16th resistance R16 and the first effect pipe Q1 connects It connects, the 4th pin of the other end of the 15th resistance R15 and flyback controller connects, one end of the 16th capacitor C16 and anti- Swash the 4th pin connection of formula controller, the other end ground connection of the 16th capacitor C16, the 16th resistance R16, the 4th transformer T4 Secondary side Same Name of Ends ground connection, the secondary side non-same polarity of the 4th transformer T4 connect with the positive of Schottky diode D9, the 11st The cathode of termination Schottky diode D9 capacitor C11 in parallel with the 12nd capacitor C12, the one of the second inductance L2 of another termination End, one end of the 13rd capacitor C13 of another termination of the second inductance L2, the 14th capacitor C14, as the defeated of auxiliary power circuit Outlet, and be attached with electrical equipment, the 11st capacitor C11, the 12nd capacitor C12, the 13rd capacitor C13, the 14th electricity Hold the other end ground connection of C14.

6. according to claim 5 a kind of based on powerful two-way Vehicular charger circuit, which is characterized in that described anti- Swash formula controller and selects UCC28700QDBVRQ1 model.

7. according to claim 1 a kind of based on powerful two-way Vehicular charger circuit, which is characterized in that the function Rate element circuit includes rectifier bridge, the second field-effect tube Q2, third field-effect tube Q3, the 17th capacitor C17, capacitor and resistance group The second pin of clutch, the input terminal of rectifier bridge is connect with the output end on soft charge road, the first pin of rectifier bridge and capacitor with Output end of the output end of the connection of resistance combination device, capacitor and resistance combination device as power factor (PF) circuit, and become with full-bridge LLC The input terminal connection of the input terminal, auxiliary power circuit of parallel operation, the third pin of rectifier bridge are connected to the second field-effect tube Q2's Drain electrode is on the tie point of the drain electrode connection of third field-effect tube Q3, and the 4th pin of rectifier bridge is grounded, the 17th capacitor C17 It is connected in parallel between the drain electrode of the second field-effect tube Q2 and the drain electrode of third field-effect tube Q3, wherein the second field-effect tube Q2, third Field-effect tube Q3 connection driver.

8. according to claim 7 a kind of based on powerful two-way Vehicular charger circuit, which is characterized in that the electricity Holding with resistance combination device includes capacitor and resistance, and resistor coupled in parallel is in capacitor both ends, the first pin of the anode and rectifier bridge of capacitor Connection, and include at least two capacitors and resistance combination device.

9. according to claim 1 a kind of based on powerful two-way Vehicular charger circuit, which is characterized in that described complete Bridge LLC converter includes the 6th field-effect tube Q6, the 7th field-effect tube Q7, the 8th field-effect tube Q8, the 9th field-effect tube Q9, the Ten field-effect tube Q10, the 11st field-effect tube Q11, third inductance L3, the 4th inductance L4, the 5th transformer T5, the 23rd electricity Hold C23, the 24th capacitor C24, the 25th capacitor C25, the source electrode of the 6th field-effect tube Q6 and the 7th field-effect tube Q7's Drain electrode connection, the source electrode of the 8th field-effect tube Q8 are connect with the drain electrode of the 9th field-effect tube Q9, the 6th field-effect tube Q6, the 7th The series circuit of effect pipe Q7 is in parallel with the 8th field-effect tube Q8, the series circuit progress of the 9th field-effect tube Q9, as full-bridge The input terminal of LLC converter, and be attached with the output end of power factor (PF) circuit, one end of third inductance L3 is connected to the 6th On the drain junction of the source electrode of field-effect tube Q6 and the 7th field-effect tube Q7, the other end of third inductance L3 and the 23rd electricity Holding one end connection of C23, the other end of the 23rd diode C23 is connect with the original side of the same name of the 5th transformer T5, and the 4th Inductance L4 is connected in parallel between the original side of the same name and non-same polarity of the 5th transformer, and the secondary side non-same polarity of the 5th transformer T5 connects It connects on the source electrode of the 8th field-effect tube Q8 and the drain junction of the 9th field-effect tube Q9, the secondary side of the 5th transformer T5 is of the same name End is connect with the drain electrode of the 11st field-effect tube Q11, the source electrode of the source electrode of the tenth field-effect tube Q10, the 11st field-effect tube Q11 The non-secondary side Same Name of Ends of ground connection, the 5th transformer T5 is connect with the drain electrode of the tenth field-effect tube Q10, the 24th capacitor C24 and 25th capacitor C25 is in parallel and one end is all connect with the control terminal of the 5th transformer, and the output as full-bridge LLC converter The other end of end, the 24th capacitor C24 and the 25th capacitor C25 are all grounded, wherein the 6th field-effect tube Q6, the 7th Effect pipe Q7, the 8th field-effect tube Q8, the 9th field-effect tube Q9, the tenth field-effect tube Q10, the 11st field-effect tube Q11 grid Connect driver.

10. a kind of two-way Vehicular charger, which is characterized in that using such as a kind of described in any item bases of the claims 1 to 9 In powerful two-way Vehicular charger circuit.