CN105680693B - A kind of bi-directional DC-DC device with stepping functions - Google Patents

A kind of bi-directional DC-DC device with stepping functions Download PDF

Info

Publication number
CN105680693B
CN105680693B CN201610193708.2A CN201610193708A CN105680693B CN 105680693 B CN105680693 B CN 105680693B CN 201610193708 A CN201610193708 A CN 201610193708A CN 105680693 B CN105680693 B CN 105680693B
Authority
CN
China
Prior art keywords
resistance
circuit
connect
connection
feet
Prior art date
Application number
CN201610193708.2A
Other languages
Chinese (zh)
Other versions
CN105680693A (en
Inventor
沐润志
卢杨
Original Assignee
昆明理工大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 昆明理工大学 filed Critical 昆明理工大学
Priority to CN201610193708.2A priority Critical patent/CN105680693B/en
Publication of CN105680693A publication Critical patent/CN105680693A/en
Application granted granted Critical
Publication of CN105680693B publication Critical patent/CN105680693B/en

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of dc power input into dc power output
    • H02M3/02Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/10Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M3/145Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M3/155Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/156Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
    • H02M3/158Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
    • H02M3/1582Buck-boost converters
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068Battery or charger load switching, e.g. concurrent charging and load supply
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20Charging or discharging characterised by the power electronics converter

Abstract

The present invention relates to a kind of bi-directional DC-DC device with stepping functions, belongs to technical field of electronic equipment.The present invention includes battery, booster circuit, reduction voltage circuit, power supply or load, single-chip microcontroller, driving circuit I, driving circuit II, control element;The reduction voltage circuit includes that LM2576 switch voltage-stabilizing integrates reduction voltage circuit, capacitor C1, C2, Schottky diode VD1, inductance L1, slide rheostat RW1, resistance R1;Booster circuit includes TL494 switching power circuit, capacitor C3, C4, C5, C6, resistance R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, Schottky diode VD2, slide rheostat RW2, RW3, inductance L2, mos pipe T;Driving circuit I includes resistance R12, R13, R14, R15, triode S1, S2.The present invention can be powered to charging the battery or loading, and people can according to need sets itself charging voltage or discharge voltage.

Description

A kind of bi-directional DC-DC device with stepping functions

Technical field

The present invention relates to a kind of bi-directional DC-DC device with stepping functions, belongs to technical field of electronic equipment.

Background technique

Currently, various charge and discharge devices on the market, are all certain single charge function or discharging function of realization, and defeated Voltage is all fixed nonadjustable out, can only meet the charge function or discharging function of certain specific equipment, and people use more Need to carry the charge and discharge device of every kind of equipment needs when kind equipment, it is many kinds of and inconvenient to carry.

Summary of the invention

The technical problem to be solved in the present invention is to provide a kind of bi-directional DC-DC device with stepping functions, passes through control The conducting of mos pipe processed turns off to select buck or boost circuit, can be powered to charging the battery or loading, and people Can according to need sets itself charging voltage or discharge voltage.

The technical scheme is that: a kind of bi-directional DC-DC device with stepping functions, including battery 1, booster circuit 2, reduction voltage circuit 3, power supply or load 4, single-chip microcontroller 5, driving circuit I6, driving circuit II7, control element etc.;The decompression electricity Road 3 includes that LM2576 switch voltage-stabilizing integrates reduction voltage circuit, capacitor C1, C2, Schottky diode VD1, inductance L1, slide rheostat RW1, resistance R1;Booster circuit 2 include TL494 switching power circuit, capacitor C3, C4, C5, C6, resistance R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, Schottky diode VD2, slide rheostat RW2, RW3, inductance L2, mos pipe T;Driving circuit I6 packet Include resistance R12, R13, R14, R15, triode S1, S2;Driving circuit II7 includes resistance R16, R17, R18, R19, triode S3,S4;Control element includes mos pipe Q1, Q2, Q3, Q4, diode D1, D2, D3, D4.

2 left end of booster circuit is input terminal, and right end is output end;3 left end of reduction voltage circuit is output end, and right end is defeated Enter end.

The anode of battery 1 is connect with the cathode of the drain electrode of mos pipe Q1 and diode D1;The source electrode and boosting electricity of mos pipe Q1 The anode connection of 2 input terminal of road, 2 cathode of booster circuit are connect with battery 1 and 3 cathode of reduction voltage circuit;The output end of booster circuit 2 Anode connect with the anode of diode D2, the cathode of diode D2 with mos pipe Q3 drain electrode and power supply/load 4 are positive connect;Two Pole pipe D1 anode is connected with 3 output head anode of reduction voltage circuit, and 3 input anode of reduction voltage circuit is connect with mos pipe Q3 source electrode, decompression 3 input cathode of circuit is connect with mos pipe Q2 source electrode, and mos pipe Q2 drain electrode is connected with mos pipe Q4 drain electrode, mos pipe Q4 source electrode and electricity Source/load 4 connects;Mos pipe Q1 grid is connected with mos pipe Q2 grid, is connect again with driving circuit I6 after connection, driving circuit I6 It is connect with the PWM1 of single-chip microcontroller 5 mouth;Mos pipe Q3 grid is connected with mos pipe Q4 grid, is connect again with driving circuit II7 after connection, Driving circuit II7 is connect with the PWM2 of single-chip microcontroller 5 mouth.

The input terminal Ui of the reduction voltage circuit 3 passes through 1 foot after parallel connection C1 with the integrated reduction voltage circuit of LM2576 switch voltage-stabilizing It is connected with 3 feet, LM2576 switch voltage-stabilizing integrates 2 feet of reduction voltage circuit and the cathode of Schottky diode VD1 and the one end inductance L1 Connection, the plus earth of Schottky diode VD1, LM2576 switch voltage-stabilizing integrate 3 feet and the 5 feet ground connection of reduction voltage circuit, sliding Rheostat RW1 is connected in parallel on the both ends of capacitor C2 after connecting with resistance R1, one end is connect with the inductance L1 other end after parallel connection, after in parallel Other end ground connection, the adjustable side of slide rheostat RW1 integrate 3 foot of reduction voltage circuit with LM2576 switch voltage-stabilizing and connect.

The input terminal Ui of the booster circuit 2 pass through after shunt capacitance C3 with 8 feet of TL494 switching power circuit, 11 feet, 12 feet are connected with the one end inductance L2, and 6 feet and 5 feet of TL494 switching power circuit are grounded after passing through resistance R2, capacitor C4 respectively, 3 feet of TL494 switching power circuit are connected to one end of capacitor C5 and resistance R4, after capacitor C5 and resistance R3 series connection, with resistance R4 is in parallel, connect after in parallel with 2 feet of TL494 switching power circuit, 2 feet of TL494 switching power circuit pass through resistance respectively It is connect after R5 and resistance R6 with its 14 foot and 15 feet, 14 feet are grounded after passing sequentially through resistance R5 and slide rheostat RW2, TL494 9 feet and 10 feet of switching power circuit pass through cathode, resistance R8 and mos the pipe T grid after resistance R7 with Schottky diode VD2 Connection, the plus earth of Schottky diode VD2, resistance R8 other end ground connection, mos pipe T drain electrode and the inductance L2 other end, resistance R10, slide rheostat RW3, resistance R11 series connection, in parallel with capacitor C6 after series connection, one end and mos pipe T drain electrode connect after parallel connection, The adjustable side of other end ground connection, slide rheostat RW3 is connect by resistance R9 with 1 foot of TL494 switching power circuit.

One end resistance R12 of driving circuit I6 is connect with the PWM1 of single-chip microcontroller 5 mouth, the resistance R12 other end and triode S1 Base stage connection, triode S1 collector are connect with resistance R13, resistance R15 and triode S2 base stage, the connection of the resistance R13 other end VCC, resistance R15 other end ground connection, triode S1 emitter ground connection, triode S2 collector are connect with resistance R14, resistance R14 The other end connects VCC, triode S2 emitter ground connection;One end resistance R16 of driving circuit II7 and the PWM2 mouth company of single-chip microcontroller 5 It connects, the resistance R16 other end is connect with triode S3 base stage, triode S3 collector and resistance R17, resistance R19 and triode S4 Base stage connection, the resistance R17 other end connect VCC, resistance R19 other end ground connection, triode S3 emitter ground connection, triode S4 collection Electrode is connect with resistance R18, and the resistance R18 other end connects VCC, triode S4 emitter ground connection.

The working principle of the invention is: when need to be used as electric discharge in use, single-chip microcontroller 5 PWM1 mouth output signal, pass through drive Dynamic circuit I 6 is mos pipe Q1, Q2 conducting, while the PWM2 mouth of single-chip microcontroller 5 not output signal, and mos pipe Q3, Q4 is made to be off shape State;And since the effect of diode D1 makes electric current cannot flow into reduction voltage circuit 3, due to the effect of diode D4, although mos pipe Q4 In an off state, cathodal current can also input 3 cathode of booster circuit, and battery 1 passes through mos pipe Q1, diode D2, diode D4 It connects with mos pipe Q2 and booster circuit 2, then load 4 is powered again.

When need to be used as charging in use, single-chip microcontroller 5 PWM2 mouth output signal, by driving circuit II7 be mos pipe Q3, Q4 conducting, while the PWM1 mouth of single-chip microcontroller 5 not output signal, keep mos pipe Q1, Q2 in an off state;And due to diode D2 Effect so that electric current is cannot flow into booster circuit 2, due to the effect of diode D4, although mos pipe Q2 is in an off state, cathode Electric current can also input 3 cathode of reduction voltage circuit, and power supply 4 passes through mos pipe Q3, diode D1, diode D2 and mos pipe Q4 and decompression electricity Road 3 is connected, and is then charged again to battery 1.

Specifically used step of the invention is:

Step 1: powering to single-chip microcontroller 5 and VCC.

Step 2: when need to be as electric discharge in use, the PWM1 mouth output signal of single-chip microcontroller 5, is mos by driving circuit I6 Pipe Q1, Q2 conducting, while the PWM2 mouth of single-chip microcontroller 5 not output signal, keep mos pipe Q3, Q4 in an off state;Make booster circuit 2 work, are powered load 4.

Step 3: when need to be as charging in use, the PWM2 mouth output signal of single-chip microcontroller 5, is by driving circuit II7 Mos pipe Q3, Q4 conducting, while the PWM1 mouth of single-chip microcontroller 5 not output signal, keep mos pipe Q1, Q2 in an off state;Make to be depressured Circuit 3 works, and charges to battery 1.

Step 4: when need to be as electric discharge in use, repeating second step;It discharges when that need to be used as in use, repeating third step.

The beneficial effects of the present invention are: the present invention provides a kind of bi-directional DC-DC device with stepping functions, pass through control Mos pipe conducting shutdown processed can be powered, and people to select buck or boost circuit to charging the battery or loading It can according to need sets itself charging voltage or discharge voltage, solve the unicity of common charge and discharge device.

Detailed description of the invention

Fig. 1 is circuit theory schematic diagram of the invention;

Fig. 2 is reduction voltage circuit figure of the present invention;

Fig. 3 is booster circuit figure of the present invention;

Fig. 4 is the use of the new type driving circuit I circuit diagram;

Fig. 5 is the use of the new type driving circuit II circuit diagram.

Each label in figure: 1- battery, 2- booster circuit, 3- reduction voltage circuit, 4- power supply/load, 5- single-chip microcontroller, 6- driving electricity Road I, 7- driving circuit II, C1~C6- capacitor, VD1~VD2- Schottky diode, L1, L2- inductance, RW1~RW3- sliding become Hinder device, R1~R19- resistance, T, Q1, Q2, Q3, Q4-mos pipe, D1, D2, D3, D4- diode, S1, S2, S3, S4- triode.

Specific embodiment

In the following with reference to the drawings and specific embodiments, the invention will be further described.

Embodiment 1: as shown in Figure 1-3, the device include battery 1, booster circuit 2, reduction voltage circuit 3, power supply or load 4, Single-chip microcontroller 5, driving circuit I6, driving circuit II7, control element etc.;The reduction voltage circuit 3 is integrated including LM2576 switch voltage-stabilizing Reduction voltage circuit, capacitor C1, C2, Schottky diode VD1, inductance L1, slide rheostat RW1, resistance R1;Booster circuit 2 includes TL494 switching power circuit, capacitor C3, C4, C5, C6, resistance R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, Schottky Diode VD2, slide rheostat RW2, RW3, inductance L2, mos pipe T;Driving circuit I6 include resistance R12, R13, R14, R15, Triode S1, S2;Driving circuit II7 includes resistance R16, R17, R18, R19, triode S3, S4;Control element includes mos pipe Q1, Q2, Q3, Q4, diode D1, D2, D3, D4.

2 left end of booster circuit is input terminal, and right end is output end;3 left end of reduction voltage circuit is output end, and right end is defeated Enter end.

The anode of battery 1 is connect with the cathode of the drain electrode of mos pipe Q1 and diode D1;The source electrode and boosting electricity of mos pipe Q1 The anode connection of 2 input terminal of road, 2 cathode of booster circuit are connect with battery 1 and 3 cathode of reduction voltage circuit;The output end of booster circuit 2 Anode connect with the anode of diode D2, the cathode of diode D2 with mos pipe Q3 drain electrode and power supply/load 4 are positive connect;Two Pole pipe D1 anode is connected with 3 output head anode of reduction voltage circuit, and 3 input anode of reduction voltage circuit is connect with mos pipe Q3 source electrode, decompression 3 input cathode of circuit is connect with mos pipe Q2 source electrode, and mos pipe Q2 drain electrode is connected with mos pipe Q4 drain electrode, mos pipe Q4 source electrode and electricity Source/load 4 connects;Mos pipe Q1 grid is connected with mos pipe Q2 grid, is connect again with driving circuit I6 after connection, driving circuit I6 It is connect with the PWM1 of single-chip microcontroller 5 mouth;Mos pipe Q3 grid is connected with mos pipe Q4 grid, is connect again with driving circuit II7 after connection, Driving circuit II7 is connect with the PWM2 of single-chip microcontroller 5 mouth.

The input terminal Ui of the reduction voltage circuit 3 passes through 1 foot after parallel connection C1 with the integrated reduction voltage circuit of LM2576 switch voltage-stabilizing It is connected with 3 feet, LM2576 switch voltage-stabilizing integrates 2 feet of reduction voltage circuit and the cathode of Schottky diode VD1 and the one end inductance L1 Connection, the plus earth of Schottky diode VD1, LM2576 switch voltage-stabilizing integrate 3 feet and the 5 feet ground connection of reduction voltage circuit, sliding Rheostat RW1 is connected in parallel on the both ends of capacitor C2 after connecting with resistance R1, one end is connect with the inductance L1 other end after parallel connection, after in parallel Other end ground connection, the adjustable side of slide rheostat RW1 integrate 3 foot of reduction voltage circuit with LM2576 switch voltage-stabilizing and connect.

The input terminal Ui of the booster circuit 2 pass through after shunt capacitance C3 with 8 feet of TL494 switching power circuit, 11 feet, 12 feet are connected with the one end inductance L2, and 6 feet and 5 feet of TL494 switching power circuit are grounded after passing through resistance R2, capacitor C4 respectively, 3 feet of TL494 switching power circuit are connected to one end of capacitor C5 and resistance R4, after capacitor C5 and resistance R3 series connection, with resistance R4 is in parallel, connect after in parallel with 2 feet of TL494 switching power circuit, 2 feet of TL494 switching power circuit pass through resistance respectively It is connect after R5 and resistance R6 with its 14 foot and 15 feet, 14 feet are grounded after passing sequentially through resistance R5 and slide rheostat RW2, TL494 9 feet and 10 feet of switching power circuit pass through cathode, resistance R8 and mos the pipe T grid after resistance R7 with Schottky diode VD2 Connection, the plus earth of Schottky diode VD2, resistance R8 other end ground connection, mos pipe T drain electrode and the inductance L2 other end, resistance R10, slide rheostat RW3, resistance R11 series connection, in parallel with capacitor C6 after series connection, one end and mos pipe T drain electrode connect after parallel connection, The adjustable side of other end ground connection, slide rheostat RW3 is connect by resistance R9 with 1 foot of TL494 switching power circuit.

Embodiment 2: as illustrated in figures 4-5, one end resistance R12 of driving circuit I6 is connect with the PWM1 of single-chip microcontroller 5 mouth, resistance The R12 other end is connect with triode S1 base stage, and triode S1 collector and resistance R13, resistance R15 and triode S2 base stage connect Connect, the resistance R13 other end connect VCC, the resistance R15 other end ground connection, triode S1 emitter ground connection, triode S2 collector with Resistance R14 connection, the resistance R14 other end connect VCC, triode S2 emitter ground connection;One end resistance R16 of driving circuit II7 It is connect with the PWM2 of single-chip microcontroller 5 mouth, the resistance R16 other end is connect with triode S3 base stage, triode S3 collector and resistance R17, resistance R19 are connected with triode S4 base stage, and the resistance R17 other end connects VCC, resistance R19 other end ground connection, triode S3 Emitter ground connection, triode S4 collector are connect with resistance R18, and the resistance R18 other end connects VCC, and triode S4 emitter connects Ground.

Embodiment 3: as shown in Figs. 1-5, a kind of bi-directional DC-DC device with stepping functions, including battery 1, boosting Circuit 2, reduction voltage circuit 3, power supply or load 4, single-chip microcontroller 5, driving circuit I6, driving circuit II7, control element etc.;The drop Volt circuit 3 includes that LM2576 switch voltage-stabilizing integrates reduction voltage circuit, capacitor C1, C2, Schottky diode VD1, inductance L1, sliding change Hinder device RW1, resistance R1;Booster circuit 2 include TL494 switching power circuit, capacitor C3, C4, C5, C6, resistance R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, Schottky diode VD2, slide rheostat RW2, RW3, inductance L2, mos pipe T;Driving electricity Road I6 includes resistance R12, R13, R14, R15, triode S1, S2;Driving circuit II7 includes resistance R16, R17, R18, R19, three Pole pipe S3, S4;Control element includes mos pipe Q1, Q2, Q3, Q4, diode D1, D2, D3, D4.

2 left end of booster circuit is input terminal, and right end is output end;3 left end of reduction voltage circuit is output end, and right end is defeated Enter end.

The anode of battery 1 is connect with the cathode of the drain electrode of mos pipe Q1 and diode D1;The source electrode and boosting electricity of mos pipe Q1 The anode connection of 2 input terminal of road, 2 cathode of booster circuit are connect with battery 1 and 3 cathode of reduction voltage circuit;The output end of booster circuit 2 Anode connect with the anode of diode D2, the cathode of diode D2 with mos pipe Q3 drain electrode and power supply/load 4 are positive connect;Two Pole pipe D1 anode is connected with 3 output head anode of reduction voltage circuit, and 3 input anode of reduction voltage circuit is connect with mos pipe Q3 source electrode, decompression 3 input cathode of circuit is connect with mos pipe Q2 source electrode, and mos pipe Q2 drain electrode is connected with mos pipe Q4 drain electrode, mos pipe Q4 source electrode and electricity Source/load 4 connects;Mos pipe Q1 grid is connected with mos pipe Q2 grid, is connect again with driving circuit I6 after connection, driving circuit I6 It is connect with the PWM1 of single-chip microcontroller 5 mouth;Mos pipe Q3 grid is connected with mos pipe Q4 grid, is connect again with driving circuit II7 after connection, Driving circuit II7 is connect with the PWM2 of single-chip microcontroller 5 mouth.

The input terminal Ui of the reduction voltage circuit 3 passes through 1 foot after parallel connection C1 with the integrated reduction voltage circuit of LM2576 switch voltage-stabilizing It is connected with 3 feet, LM2576 switch voltage-stabilizing integrates 2 feet of reduction voltage circuit and the cathode of Schottky diode VD1 and the one end inductance L1 Connection, the plus earth of Schottky diode VD1, LM2576 switch voltage-stabilizing integrate 3 feet and the 5 feet ground connection of reduction voltage circuit, sliding Rheostat RW1 is connected in parallel on the both ends of capacitor C2 after connecting with resistance R1, one end is connect with the inductance L1 other end after parallel connection, after in parallel Other end ground connection, the adjustable side of slide rheostat RW1 integrate 3 foot of reduction voltage circuit with LM2576 switch voltage-stabilizing and connect.

The input terminal Ui of the booster circuit 2 pass through after shunt capacitance C3 with 8 feet of TL494 switching power circuit, 11 feet, 12 feet are connected with the one end inductance L2, and 6 feet and 5 feet of TL494 switching power circuit are grounded after passing through resistance R2, capacitor C4 respectively, 3 feet of TL494 switching power circuit are connected to one end of capacitor C5 and resistance R4, after capacitor C5 and resistance R3 series connection, with resistance R4 is in parallel, connect after in parallel with 2 feet of TL494 switching power circuit, 2 feet of TL494 switching power circuit pass through resistance respectively It is connect after R5 and resistance R6 with its 14 foot and 15 feet, 14 feet are grounded after passing sequentially through resistance R5 and slide rheostat RW2, TL494 9 feet and 10 feet of switching power circuit pass through cathode, resistance R8 and mos the pipe T grid after resistance R7 with Schottky diode VD2 Connection, the plus earth of Schottky diode VD2, resistance R8 other end ground connection, mos pipe T drain electrode and the inductance L2 other end, resistance R10, slide rheostat RW3, resistance R11 series connection, in parallel with capacitor C6 after series connection, one end and mos pipe T drain electrode connect after parallel connection, The adjustable side of other end ground connection, slide rheostat RW3 is connect by resistance R9 with 1 foot of TL494 switching power circuit.

One end resistance R12 of driving circuit I6 is connect with the PWM1 of single-chip microcontroller 5 mouth, the resistance R12 other end and triode S1 Base stage connection, triode S1 collector are connect with resistance R13, resistance R15 and triode S2 base stage, the connection of the resistance R13 other end VCC, resistance R15 other end ground connection, triode S1 emitter ground connection, triode S2 collector are connect with resistance R14, resistance R14 The other end connects VCC, triode S2 emitter ground connection;One end resistance R16 of driving circuit II7 and the PWM2 mouth company of single-chip microcontroller 5 It connects, the resistance R16 other end is connect with triode S3 base stage, triode S3 collector and resistance R17, resistance R19 and triode S4 Base stage connection, the resistance R17 other end connect VCC, resistance R19 other end ground connection, triode S3 emitter ground connection, triode S4 collection Electrode is connect with resistance R18, and the resistance R18 other end connects VCC, triode S4 emitter ground connection.

Specific embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned realities Example is applied, it within the knowledge of a person skilled in the art, can also be without departing from the purpose of the present invention It makes a variety of changes.

Claims (1)

1. a kind of bi-directional DC-DC device with stepping functions, it is characterised in that: including battery (1), booster circuit (2), drop Volt circuit (3), power supply/load (4), single-chip microcontroller (5), driving circuit I(6), driving circuit II(7), control element;The decompression Circuit (3) includes that LM2576 switch voltage-stabilizing integrates reduction voltage circuit, capacitor C1, C2, Schottky diode VD1, inductance L1, sliding change Hinder device RW1, resistance R1;Booster circuit (2) include TL494 switching power circuit, capacitor C3, C4, C5, C6, resistance R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, Schottky diode VD2, slide rheostat RW2, RW3, inductance L2, mos pipe T;Driving electricity Road I(6) it include resistance R12, R13, R14, R15, triode S1, S2;Driving circuit II(7) include resistance R16, R17, R18, R19, triode S3, S4;Control element includes mos pipe Q1, Q2, Q3, Q4, diode D1, D2, D3, D4;
Booster circuit (2) left end is input terminal, and right end is output end;Reduction voltage circuit (3) left end is output end, and right end is defeated Enter end;
The anode of battery (1) is connect with the cathode of the drain electrode of mos pipe Q1 and diode D1;The source electrode and booster circuit of mos pipe Q1 (2) the anode connection of input terminal, booster circuit (2) cathode are connect with battery (1) and reduction voltage circuit (3) cathode;Booster circuit (2) The anode of output end connect with the anode of diode D2, the cathode of diode D2 and mos pipe Q3 drain electrode and power supply/load (4) Anode connection;Diode D1 anode is connected with reduction voltage circuit (3) output head anode, and reduction voltage circuit (3) input anode and mos are managed The connection of Q3 source electrode, reduction voltage circuit (3) input cathode are connect with mos pipe Q2 source electrode, and mos pipe Q2 drain electrode connects with mos pipe Q4 drain electrode It connects, mos pipe Q4 source electrode is connect with power supply/load (4);Mos pipe Q1 grid is connected with mos pipe Q2 grid, after connection again with driving Circuit I (6) connection, driving circuit I(6) it is connect with the PWM1 mouth of single-chip microcontroller (5);Mos pipe Q3 grid and mos pipe Q4 grid connect Connect, connect again with driving circuit II(7) after connection, driving circuit II(7) it is connect with the PWM2 mouth of single-chip microcontroller (5);
The input terminal Ui of the reduction voltage circuit (3) passes through 1 foot and 3 after parallel connection C1 with the integrated reduction voltage circuit of LM2576 switch voltage-stabilizing Foot connection, LM2576 switch voltage-stabilizing integrates 2 feet of reduction voltage circuit and the cathode of Schottky diode VD1 and the one end inductance L1 connects It connects, the plus earth of Schottky diode VD1, LM2576 switch voltage-stabilizing integrates 3 feet of reduction voltage circuit and 5 feet ground connection, sliding become Resistance device RW1 is connected in parallel on the both ends of capacitor C2 after connecting with resistance R1, one end is connect with the inductance L1 other end after parallel connection, another after in parallel One end ground connection, the adjustable side of slide rheostat RW1 integrate 3 foot of reduction voltage circuit with LM2576 switch voltage-stabilizing and connect;
The input terminal Ui of the booster circuit (2) passes through 8 feet, 11 feet, 12 after shunt capacitance C3 with TL494 switching power circuit Foot is connected with the one end inductance L2, and 6 feet and 5 feet of TL494 switching power circuit are grounded after passing through resistance R2, capacitor C4 respectively, 3 feet of TL494 switching power circuit are connected to one end of capacitor C5 and resistance R4, after capacitor C5 and resistance R3 series connection, with resistance R4 is in parallel, connect after in parallel with 2 feet of TL494 switching power circuit, 2 feet of TL494 switching power circuit pass through resistance respectively It is connect after R5 and resistance R6 with its 14 foot and 15 feet, 14 feet are grounded after passing sequentially through resistance R5 and slide rheostat RW2, TL494 9 feet and 10 feet of switching power circuit pass through cathode, resistance R8 and mos the pipe T grid after resistance R7 with Schottky diode VD2 Connection, the plus earth of Schottky diode VD2, resistance R8 other end ground connection, mos pipe T drain electrode and the inductance L2 other end and electricity One end connection of R10 is hindered, resistance R10, slide rheostat RW3, resistance R11 series connection are in parallel with capacitor C6 after series connection, in parallel latter End is connected with mos pipe T drain electrode, and the adjustable side of other end ground connection, slide rheostat RW3 passes through resistance R9 and TL494 Switching Power Supply 1 foot of circuit connects;
Driving circuit I(6) the one end resistance R12 connect with the PWM1 mouth of single-chip microcontroller (5), the resistance R12 other end and triode S1 Base stage connection, triode S1 collector are connect with resistance R13, resistance R15 and triode S2 base stage, the connection of the resistance R13 other end VCC, resistance R15 other end ground connection, triode S1 emitter ground connection, triode S2 collector are connect with resistance R14, resistance R14 The other end connects VCC, triode S2 emitter ground connection;Driving circuit II(7) the one end resistance R16 and single-chip microcontroller (5) PWM2 Mouth connection, the resistance R16 other end are connect with triode S3 base stage, triode S3 collector and resistance R17, resistance R19 and three poles The connection of pipe S4 base stage, the resistance R17 other end connect VCC, resistance R19 other end ground connection, triode S3 emitter ground connection, triode S4 collector is connect with resistance R18, and the resistance R18 other end connects VCC, triode S4 emitter ground connection.
CN201610193708.2A 2016-03-31 2016-03-31 A kind of bi-directional DC-DC device with stepping functions CN105680693B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610193708.2A CN105680693B (en) 2016-03-31 2016-03-31 A kind of bi-directional DC-DC device with stepping functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610193708.2A CN105680693B (en) 2016-03-31 2016-03-31 A kind of bi-directional DC-DC device with stepping functions

Publications (2)

Publication Number Publication Date
CN105680693A CN105680693A (en) 2016-06-15
CN105680693B true CN105680693B (en) 2019-06-11

Family

ID=56224826

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610193708.2A CN105680693B (en) 2016-03-31 2016-03-31 A kind of bi-directional DC-DC device with stepping functions

Country Status (1)

Country Link
CN (1) CN105680693B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106059298A (en) * 2016-06-27 2016-10-26 深圳维普创新科技有限公司 Voltage boosting and voltage reducing converter and method
CN106253399B (en) * 2016-08-24 2019-01-01 天津市天楚科技有限公司 A kind of mobile power source
US10763853B2 (en) * 2017-10-02 2020-09-01 Texas Instruments Incorporated Multi-mode power management circuit
CN111130351A (en) * 2019-11-26 2020-05-08 国网浙江省电力有限公司湖州供电公司 Low-delay self-adaptive bidirectional DCDC converter and control method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201839267U (en) * 2010-07-19 2011-05-18 东莞钜威新能源股份有限公司 Drive circuit of switch
CN202276184U (en) * 2011-09-23 2012-06-13 沈阳设维士重型机械有限公司 Large-scale charge and discharge combination chopper constant voltage ongoing direct-current power supply device
CN102820692A (en) * 2012-09-03 2012-12-12 徐州工业职业技术学院 Charging controller of storage battery of wind power generation street lamp
CN202957795U (en) * 2012-11-14 2013-05-29 严峻 Optical coupler drive circuit with protection against over current
CN203788258U (en) * 2014-04-01 2014-08-20 佛山市顺德区和而泰电子科技有限公司 Novel IGBT/MOSFET driving circuit
CN205883050U (en) * 2016-03-31 2017-01-11 昆明理工大学 Two -way DC DC device with go up and down to press function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201839267U (en) * 2010-07-19 2011-05-18 东莞钜威新能源股份有限公司 Drive circuit of switch
CN202276184U (en) * 2011-09-23 2012-06-13 沈阳设维士重型机械有限公司 Large-scale charge and discharge combination chopper constant voltage ongoing direct-current power supply device
CN102820692A (en) * 2012-09-03 2012-12-12 徐州工业职业技术学院 Charging controller of storage battery of wind power generation street lamp
CN202957795U (en) * 2012-11-14 2013-05-29 严峻 Optical coupler drive circuit with protection against over current
CN203788258U (en) * 2014-04-01 2014-08-20 佛山市顺德区和而泰电子科技有限公司 Novel IGBT/MOSFET driving circuit
CN205883050U (en) * 2016-03-31 2017-01-11 昆明理工大学 Two -way DC DC device with go up and down to press function

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
国家半导体.LM2576/LM2576HV Series SIMPLE SWITCHER® 3A Step-Down Voltage Regulator.《LM2576/LM2576HV数据手册》.2004,
基于TL494升压型DC-DC稳压电源的设计;贾正松,等;《兵工自动化》;20140630;第33卷(第6期);第88页

Also Published As

Publication number Publication date
CN105680693A (en) 2016-06-15

Similar Documents

Publication Publication Date Title
CN207561375U (en) Electronic cigarette battery bar circuit and electronic cigarette battery bar
CN104348192B (en) A kind of electronic cigarette USB charger
CN102969889B (en) A kind of self-powered source electrode drive circuit and apply its Switching Power Supply
CN101572425B (en) Buck-boost adjustable quick charger
CN106026302A (en) Intelligent DC electric energy collection charger
CN2610549Y (en) Charger for mobile phone
CN106953393A (en) A kind of constant-current charging circuit, accumulation power supply and constant-current charge method
CN101720148B (en) LED driving circuit and LED device
CN103391010B (en) A kind of Switching Power Supply driving chip and switch power source driving circuit
CN101860021B (en) Circuit for preventing reverse connection of power supply and lamp
CN101827480B (en) LED drive control circuit
CN104901385B (en) Generator energy managing device and electricity generation system
CN103188847B (en) Constant current charge pump light-emitting diode (LED) drive circuit
CN101835312A (en) LED drive control circuit
CN103378636A (en) Mobile power source control chip and mobile power source with same
CN203368304U (en) Novel buck drive circuit
CN106160418A (en) A kind of control method of Switching Power Supply
CN204442176U (en) A kind of switched inductors type accurate Z source DC-DC converter circuit
CN204615628U (en) A kind of multi-stage negative pressure produces circuit
CN103219893B (en) Switch power controller and switching power circuit
CN106328072A (en) Backlight intensity circuit and display device thereof
CN110212627A (en) A kind of WSN node self-contained electric system
CN201393326Y (en) Ballast with emergency lighting function
CN101026917B (en) Solar LED lamp circuit
CN203675400U (en) LED drive device, battery charger and drive control circuit thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant