CN101888110A - High-power portable intelligent recharge and discharge machine - Google Patents

High-power portable intelligent recharge and discharge machine Download PDF

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Publication number
CN101888110A
CN101888110A CN2010100458596A CN201010045859A CN101888110A CN 101888110 A CN101888110 A CN 101888110A CN 2010100458596 A CN2010100458596 A CN 2010100458596A CN 201010045859 A CN201010045859 A CN 201010045859A CN 101888110 A CN101888110 A CN 101888110A
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circuit
control
discharge
microprocessor
recharge
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CN2010100458596A
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Chinese (zh)
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CN101888110B (en
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彭绍岛
魏洪印
郭江南
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彭绍岛
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention relates to a recharge and discharge machine, in particular to a high-power portable intelligent recharge and discharge machine. The high-power portable intelligent recharge and discharge machine comprises a machine case and an electric main circuit arranged in the machine case, wherein the electric main circuit comprises a microprocessor control circuit, a sampling circuit, a recharge and discharge control circuit, a three-phase bridge type rectifying filter circuit, a soft start circuit, a PWM control and drive circuit, an IGBT module circuit and a two-way LC filter circuit; and the sampling circuit is connected with a detection current divider in the two-way LC filter circuit. The high-power portable intelligent recharge and discharge machine greatly reduces the volume and the weight of equipment under the condition of keeping a high-current output state to meet a requirement on portability, greatly improves the efficiency, can recharge and discharge a storage battery by automatically adopting different optimal recharging and activating functions according to different changes of the environment climate temperature, improves the volume of the storage battery, and prolongs the normal service life of the storage battery.

Description

A kind of high-power portable intelligent recharge and discharge machine

Technical field

The present invention relates to a kind of charge-discharge machine, relate in particular to a kind of high-power portable intelligent recharge and discharge machine.

Background technology

A kind of energy products that storage battery is present output maximum in the world, purposes is the widest.People are studying always and are exploring charging quality, the shortening charging interval of how to improve storage battery for a long time, so various charging/discharging apparatus occurred.High-power charging/discharging apparatus is still based on the power frequency pattern on the domestic market, and equipment volume is big and heavy, and efficient is low; Then full-bridge or the half-bridge working methods of adopting of high frequency charging/discharging apparatus are in little electric current output state all the time, and two cover discrete circuit devcies are all adopted in charging and discharge.Charging control technology in the machine, causes the battery liquid volatilization soon at charging interval length, storage battery temperature rise, difficult control of temperature, greatly reduces battery capacity and has shortened normal useful life of storage battery.

Summary of the invention

In order to change many deficiencies of domestic present charging/discharging apparatus, the invention provides a kind of high-power portable intelligent recharge and discharge machine, can according to the difference of ambient temperature change adopt automatically different discharge and recharge control technology accumulators discharged and recharged, shortened storage battery charging interval, improved battery capacity and prolonged normal useful life of storage battery.

Technical scheme of the present invention is as follows: a kind of high-power portable intelligent recharge and discharge machine, comprise cabinet and be installed in electric major loop in the described cabinet, it is characterized in that: described electric major loop comprises microprocessor control circuit, sample circuit, charge-discharge control circuit, three-phase bridge rectification filter circuit, soft starting circuit, PWM control and the drive circuit, IGBT modular circuit, the two-way LC filter circuit that are connected with detection shunt in the two-way LC filter circuit; Described sample circuit is delivered to described microprocessor control circuit with detected aanalogvoltage, current signal; Described microprocessor control circuit is determined the situation of storage battery according to the detected parameter of described sample circuit; Described three-phase bridge rectification filter circuit converts three-phase alternating current to direct current, provides working power by described soft starting circuit for described IGBT modular circuit; Described charge-discharge control circuit and described PWM control and drive circuit accept described microprocessor control circuit built-in discharge and recharge program control; It is to be operated in charged state, still to be operated in discharge condition that described charge-discharge control circuit is controlled described IGBT modular circuit; Described PWM control and drive circuit output switching pulse signal make described IGBT modular circuit according to discharging and recharging the requirement of program by certain duty ratio conducting or shutoff; After the pulsating voltage filtering of described two-way LC filter circuit with described IGBT modular circuit output, provide smooth direct current electricity accumulators to discharge and recharge; Described soft starting circuit is accepted the instruction of described microprocessor control circuit, the impulse current when adopting resistance step-down mode to reduce the electrical network access.

Described microprocessor control circuit comprises microprocessor, the electronic switching circuit that is connected with described microprocessor, display circuit, key circuit, control circuit, temperature automatic identification circuit, open-phase protection circuit, outage holding circuit, control power circuit; Described temperature automatic identification circuit detects the environment-identification temperature automatically when start; Described microprocessor discharges and recharges the program accumulators according to the built-in the best of detected ambient temperature selection and discharges and recharges, and produces control signal simultaneously to described control circuit and described electronic switching circuit; Described control circuit sends and discharges and recharges control signal, soft start control signal, blower fan rotation control signal, is respectively applied for control charge in batteries and discharge, control soft start resistance and whether seals in major loop and the rotation of control blower fan; Described electronic switching circuit switches the detected aanalogvoltage of described sample circuit, current signal by control relay; The built-in parameter that discharges and recharges program setting of parameter that obtains after the voltage that described microprocessor is sent described electronic switching circuit here, the current signal computing and described microprocessor compares, convert the result after relatively calculating to duty ratio that aanalogvoltage transfers out described PWM control of control and drive circuit, drive the work of described IGBT modular circuit; By described key circuit, make described microprocessor discharge and recharge program work according to user's Instruction Selection microprocessor built-in function and the best; Described display circuit is used for showing the progress of charge/discharge electricity amount; Described open-phase protection circuit is used for detecting whether phase shortage of three-phase alternating current; Before preserving and cut off the power supply, described outage holding circuit discharges and recharges data after alternating current outage; Described control power circuit provides power supply to the each several part circuit of described microprocessor control circuit.

Described microprocessor adopts the C8051F020 chip; Described electronic switching circuit adopts three HRS1H-S-DC5V relays to form; Described display circuit adopts 12 LED light-emitting diodes to form; Described key circuit adopts membrane pushbutton; Described temperature automatic identification circuit adopts the DS18B20 temperature sensor; Described control circuit adopts relay control.

Described sample circuit adopts resistance potentiometer bleeder circuit and LM358 chip to be used to finish the conversion of charging and discharging currents signal and voltage signal.

Described charge-discharge control circuit adopts contactor to switch the operating state of charge in batteries and discharge.

Described three-phase bridge rectification filter circuit comprises three-phase bridge rectification module and filter circuit composition; The three-phase alternating current that described three-phase bridge rectification module provides electrical network carries out rectification, provides working power by described soft starting circuit for described IGBT modular circuit again after filter circuit is filtered into direct current.

Described PWM control and drive circuit adopt TL494 chip and EXB841 chip; Described TL494 chip is in built-in the discharging and recharging under the program control of described microprocessor control circuit, provides the switching pulse signal of certain duty ratio to carry out the work of the described IGBT modular circuit of power amplification rear drive to described EXB841 chip.

Described IGBT modular circuit comprises a unit IGBT module and the buffer network that is made of RC; The IGBT single tube of described IGBT inside modules provides conducting under the conducting pulse signal in described PWM control and drive circuit, for the back level provides energy; The conducting when fly-wheel diode of described IGBT inside modules turn-offs at the IGBT of inside single tube is for the back level provides energy; Surge voltage when surge voltage when described buffer network turn-offs in order to the IGBT single tube of controlling described IGBT inside modules and inner fly-wheel diode recover.

Described two-way LC filter circuit adopts two-stage two-way LC filter circuit.

Beneficial effect of the present invention is as follows:

The present invention has used the high frequency switch power technology, adopting a unit IGBT high power module is power device, high frequency charge-discharge machine two cover discrete circuit devcies are changed into the complete charge-discharge circuit device of a cover, keeping under the big electric current output state, make the volume and weight of equipment all reduce significantly, reached portable requirement, efficient increases substantially.Control section is that core constitutes intelligent controller with the singlechip microprocessor, has reached intelligent control, has realized unattended operation fully; And adopted the temperature automatic identification technology, can change automatically according to the difference of amblent air temperature temperature adopts different optimal charge and mobilizing function accumulators to discharge and recharge, shorten the charging interval, effectively prevented the accumulator plate sulfuration, improved battery capacity and prolonged normal useful life of storage battery, thereby guaranteed the normal use of electrical equipments such as electric automobile.

Description of drawings

Fig. 1 is a system block diagram of the present invention.

Fig. 2 is the circuit theory diagrams of the microprocessor control circuit among the present invention.

Fig. 3 is the circuit theory diagrams of the sample circuit among the present invention.

Fig. 4 is the circuit theory diagrams of the charge-discharge control circuit among the present invention.

Fig. 5 is the circuit theory diagrams of the three-phase bridge rectification filter circuit among the present invention.

Fig. 6 is the circuit theory diagrams of the soft starting circuit among the present invention.

Fig. 7 is the PWM control among the present invention and the circuit theory diagrams of drive circuit.

Fig. 8 is the circuit theory diagrams of the IGBT modular circuit among the present invention.

Fig. 9 is the circuit theory diagrams of the two-way LC filter circuit among the present invention.

Among the figure, microprocessor control circuit 1; microprocessor 11; electronic switching circuit 12; display circuit 13; key circuit 14; temperature automatic identification circuit 15; control circuit 16; open-phase protection circuit 17; outage holding circuit 18; control power circuit 19; sample circuit 2; resistance potentiometer bleeder circuit 21; LM358 chip 22; charge-discharge control circuit 3; three-phase bridge rectification filter circuit 4; three-phase bridge rectification module 41; filter circuit 42; soft starting circuit 5; PWM control and drive circuit 6; TL494 chip 61; EXB841 chip 62; IGBT modular circuit 7; IGBT module 71; buffer network 72; two-way LC filter circuit 8; detect shunt FL.

Embodiment

The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiment.

Referring to Fig. 1, comprise cabinet, be installed in the electric major loop in the cabinet, described electric major loop comprises microprocessor control circuit 1, the sample circuit 2, the charge-discharge control circuit 3 that is connected with described microprocessor control circuit 1, three-phase bridge rectification filter circuit 4, the soft starting circuit 5 that are connected with detection shunt FL in the two-way LC filter circuit 8, PWM controls and drive circuit 6, IGBT modular circuit 7, two-way LC filter circuit 8.Sample circuit 2 is delivered to microprocessor control circuit 1 with detected aanalogvoltage, current signal; Microprocessor control circuit 1 is determined the situation of storage battery according to sample circuit 2 detected parameters; Three-phase bridge rectification filter circuit 4 converts three-phase alternating current to direct current, this direct current is in microprocessor control circuit 1 built-in discharging and recharging under the program control, automatically control charge-discharge control circuit 3, thereby the switching pulse signal output of control PWM control and drive circuit 6, make IGBT modular circuit 7 according to discharging and recharging the requirement of program by certain duty ratio conducting or shutoff, after 8 filtering of two-way LC filter circuit, provide smooth direct current electricity accumulators to discharge and recharge.Soft starting circuit 5 is accepted the instruction of microprocessor control circuit 1, and the impulse current when adopting resistance step-down mode to reduce the electrical network access is for IGBT modular circuit 7 provides working power.

Referring to Fig. 2, microprocessor control circuit 1 comprises microprocessor 11, the electronic switching circuit 12 that is connected with microprocessor 11, display circuit 13, key circuit 14, temperature automatic identification circuit 15, control circuit 16, open-phase protection circuit 17, outage holding circuit 18 and control power circuit 19.Temperature automatic identification circuit 15 detects the environment-identification temperature automatically when start, microprocessor 11 selects the different program that discharges and recharges accumulators to discharge and recharge according to different ambient temperatures again, and produces control signal simultaneously to control circuit 16 and electronic switching circuit 12.Control circuit 16 sends and discharges and recharges control signal, soft start control signal, blower fan rotation control signal, discharges and recharges relay J 2 and contactor KM1 adhesive or disconnection in the control signal control charge-discharge control circuit 3, control charge in batteries or discharge; The adhesive or the disconnection of the relay J 3 in the soft start control signal control soft starting circuit 5, relay J 3 disconnected when electrical network was connected, after relay J 3 disconnects resistance string is gone into major loop, impulse current when reducing the electrical network access, time-delay relay J3 adhesive, the resistance breaking circuit makes major loop electricly direct, and the impulse current of this moment is very little, improves the reliability of device greatly; Adhesive or the disconnection of blower fan rotation control signal control relay J1 must be electric after relay J 1 adhesive, and the blower fan rotation reduces temperature in chassis; Electronic switching circuit 12 is controlled the adhesive or the disconnection of three relays then by the conducting or the shutoff of control triode; Electronic switching circuit 12 utilizes the adhesive of three relays or disconnects switching sample circuit 2 detected aanalogvoltages, current signal.The voltage that microprocessor 11 sends electronic switching circuit 12, current signal carry out computing, parameter that obtains after the computing and the microprocessor 11 built-in parameters that discharge and recharge program setting compare calculating, and the result after will relatively calculating converts the duty ratio that aanalogvoltage is used for controlling PWM control and drive circuit 6 to, 7 work of driving IGBT modular circuit.Key circuit 14 is made up of membrane pushbutton, presses certain button and makes microprocessor 11 select microprocessor 11 built-in function and the bests to discharge and recharge program work according to user instruction.Display circuit 13 is made up of 12 light-emitting diodes, during charging on the display circuit 13 light-emitting diode with the increase of electric weight in the storage battery by left-to-rightly light successively, light-emitting diode is extinguished to a left side by the right side successively with the minimizing of electric weight in the storage battery when discharging, and is used for showing the progress of charge/discharge electricity amount.Control power circuit 16 by control transformer, rectifier diode, filter capacitor, and three-terminal regulator block form; 380V alternating current each several part circuit to microprocessor control circuit 1 after control transformer transformation, rectifies, filter capacitor filtering and three-terminal regulator block voltage stabilizing provides power supply.Open-phase protection circuit 17 detects whether phase shortage of three-phase alternating currents, is used for protection equipment not damage because of the alternating current phase shortage.Discharge and recharge data before outage holding circuit 18 can be preserved and be cut off the power supply after alternating current outage, can then continue automatically to discharge and recharge when waiting power system restoration to power.Microprocessor 11 adopts the C8051F020 chip, and the A/D change-over circuit and the memory circuit of this built-in chip type improve circuit level greatly.

Referring to Fig. 3, sample circuit 2 adopts resistance potentiometer bleeder circuits 21 and LM358 chip 22 to be used to finish the sampling conversion of charging and discharging currents signal and voltage signal.

Referring to Fig. 4, f ' among Fig. 4 end and g ' end link to each other with f end and g end among Fig. 8 respectively, e ' hold with Fig. 9 in e hold and link to each other.Charge-discharge control circuit 3 is made up of a relay J 2 and a contactor KM1.Relay J 2 adhesive under the control of microprocessor 11 output control signals during charging, contactor KM1 coil is got, also adhesive of contactor KM1, after the contactor KM1 adhesive, make g ' end be communicated with f ' end end, the g end that also is IGBT module 71 is communicated with the f end of plug-in unit CZ2, and the e end of two-way LC filter circuit 8 is communicated with the OUT+ end simultaneously, makes IGBT modular circuit 7 be operated in charged state; Relay J 2 is under the control of microprocessor 11 output control signals during discharge, relay J 2 disconnects not adhesive makes contactor KM1 coil no power, also not adhesive of contactor KM1, make the g end of IGBT module 71 be communicated with the OUT+ end, the e end of two-way LC filter circuit 8 is communicated with the OUT-end simultaneously, makes IGBT modular circuit 7 be operated in discharge condition.

Referring to Fig. 5, a among Fig. 5 end and b end respectively with Fig. 6 in a ' end hold with b ' and link to each other.Three-phase bridge rectification filter circuit 4 comprises a three-phase bridge rectification module 41 and filter circuit 42.Three-phase bridge rectification module 41 is carried out rectification with the three-phase alternating current that electrical network provides, and rectification is after filter circuit 42 is filtered into direct current, and this direct current provides working power for IGBT modular circuit 7.

Referring to Fig. 6, a ' among Fig. 6 end and b ' end respectively with Fig. 5 in a end and b hold and link to each other.Soft starting circuit is made up of a relay J 3 and a resistance.Relay J 3 disconnected under the control of microprocessor 11 output control signals when electrical network was connected, and relay J 3 inserts major loop with resistance, and the impulse current when adopting resistance step-down mode to reduce electrical network to insert has improved the reliability of complete machine effectively.

Referring to Fig. 7, PWM control and drive circuit 6 are made up of TL494 chip 61 and EXB841 chip 62.TL494 chip 61 provides the switching pulse signal of certain duty ratio to carry out 7 work of power amplification rear drive IGBT modular circuit to EXB841 chip 62 in microprocessor 11 built-in discharging and recharging under the program control.

Referring to Fig. 8, c among Fig. 8 end and d end respectively with Fig. 9 in c ' end link to each other with d ' end, f end and g hold respectively with Fig. 4 in f ' hold to hold and link to each other with g '.IGBT modular circuit 7 comprises by an IGBT module 71 and by the buffer network 72 that two groups of resistance capacitances constitute and forming.The IGBT single tube of IGBT module 71 inside provides conducting under the conducting pulse signal in PWM control and drive circuit 6, for the back level provides energy; The conducting when fly-wheel diode of IGBT module 71 inside turn-offs at the IGBT of inside single tube is for the back level provides energy.Surge voltage when surge voltage when buffer network 72 turn-offs in order to the IGBT single tube of controlling IGBT module 71 inside and inner fly-wheel diode recover is to protect the 71 unlikely damages of IGBT module.

Referring to Fig. 9, c ' among Fig. 9 end and d ' end link to each other with c end and d end among Fig. 8 respectively, e hold with Fig. 4 in e ' hold and link to each other.Two-way LC filter circuit 8 adopts two-stage two-way LC filter circuit to make the direct voltage ripple of output little, and filter effect is better.

Claims (10)

1. high-power portable intelligent recharge and discharge machine, comprise cabinet and be installed in electric major loop in the described cabinet, it is characterized in that: described electric major loop comprises microprocessor control circuit (1), the sample circuit (2), charge-discharge control circuit (3), three-phase bridge rectification filter circuit (4), the soft starting circuit (5) that are connected with detection shunt in the two-way LC filter circuit (8), PWM controls and drive circuit (6), IGBT modular circuit (7), two-way LC filter circuit (8); Described sample circuit (2) is delivered to described microprocessor control circuit (1) with detected aanalogvoltage, current signal; Described microprocessor control circuit (1) is determined the situation of storage battery according to the detected parameter of described sample circuit (2); Described three-phase bridge rectification filter circuit (4) converts three-phase alternating current to direct current, provides working power by described soft starting circuit (5) for described IGBT modular circuit (7); Described charge-discharge control circuit (3) and described PWM control and drive circuit (6) accept described microprocessor control circuit (1) built-in discharge and recharge program control; The described IGBT modular circuit of described charge-discharge control circuit (3) control (7) is to be operated in charged state, still to be operated in discharge condition; Described PWM control and drive circuit (6) output switching pulse signal make described IGBT modular circuit (7) according to discharging and recharging the requirement of program by certain duty ratio conducting or shutoff; After the pulsating voltage filtering of described two-way LC filter circuit (8) with described IGBT modular circuit (7) output, provide smooth direct current electricity accumulators to discharge and recharge; Described soft starting circuit (5) is accepted the instruction of described microprocessor control circuit (1), the impulse current when adopting resistance step-down mode to reduce the electrical network access.
2. a kind of high-power portable intelligent recharge and discharge machine according to claim 1 is characterized in that: described microprocessor control circuit (1) comprises microprocessor (11), the electronic switching circuit (12) that is connected with described microprocessor (11), display circuit (13), key circuit (14), temperature automatic identification circuit (15), control circuit (16), open-phase protection circuit (17), outage holding circuit (18), control power circuit (19); Described temperature automatic identification circuit (15) detects the environment-identification temperature automatically when start; Described microprocessor (11) selects the built-in program that discharges and recharges accumulators to discharge and recharge according to detected ambient temperature, and produces control signal simultaneously to described control circuit (16) and described electronic switching circuit (12); Described control circuit (16) sends and discharges and recharges control signal, soft start control signal, blower fan rotation control signal, is respectively applied for control charge in batteries and discharge, control soft start resistance and whether seals in major loop and the rotation of control blower fan; Described electronic switching circuit (12) utilizes relay to switch the detected aanalogvoltage of described sample circuit (2), current signal; Parameter that obtains after the voltage that described microprocessor (11) is sent described electronic switching circuit (12) here, the current signal computing and the built-in parameter that discharges and recharges program setting of described microprocessor (11) compare, to relatively calculate the back result and convert the duty ratio that aanalogvoltage transfers out described PWM control of control and drive circuit (6) to, drive described IGBT modular circuit (7) work; Make described microprocessor (11) select the built-in function of described microprocessor (11) and discharge and recharge program work by described key circuit (14) according to user instruction; Described display circuit (13) is used for showing the progress of charge/discharge electricity amount; Described open-phase protection circuit (17) detects whether phase shortage of three-phase alternating current; Before preserving and cut off the power supply, described outage holding circuit (18) discharges and recharges data after alternating current outage; Described control power circuit (19) provides power supply to the each several part circuit of described microprocessor control circuit (1).
3. a kind of high-power portable intelligent recharge and discharge machine according to claim 2 is characterized in that: described microprocessor (11) adopts the C8051F020 chip; Described electronic switching circuit (12) adopts three HRS1H-S-DC5V relays to form; Described display circuit (13) adopts 12 LED light-emitting diodes to form; Described key circuit (14) adopts membrane pushbutton; Described control circuit (16) adopts relay control; Described temperature automatic identification circuit (15) adopts the DS18B20 temperature sensor.
4. a kind of high-power portable intelligent recharge and discharge machine according to claim 1 is characterized in that: described sample circuit (2) adopts resistance potentiometer bleeder circuit (21) and LM358 chip (22) to be used to finish the conversion of charging and discharging currents signal and voltage signal.
5. a kind of high-power portable intelligent recharge and discharge machine according to claim 1 is characterized in that: described charge-discharge control circuit (3) adopts contactor to switch the operating state of charge in batteries and discharge.
6. a kind of high-power portable intelligent recharge and discharge machine according to claim 1 is characterized in that: described three-phase bridge rectification filter circuit (4) comprises three-phase bridge rectification module (41) and filter circuit (42) composition; The three-phase alternating current that described three-phase bridge rectification module (41) provides electrical network carries out rectification, provides working power by described soft starting circuit (5) for described IGBT modular circuit (7) again after filter circuit (42) is filtered into direct current.
7. a kind of high-power portable intelligent recharge and discharge machine according to claim 1 is characterized in that: described PWM control and drive circuit (6) adopt TL494 chip (61) and EXB841 chip (62); Described TL494 chip (61) is in built-in the discharging and recharging under the program control of described microprocessor control circuit (1), provides the switching pulse signal of certain duty ratio to carry out the described IGBT modular circuit of power amplification rear drive (7) work to described EXB841 chip (62).
8. a kind of high-power portable intelligent recharge and discharge machine according to claim 1 is characterized in that: described IGBT modular circuit (7) comprises the buffer network (72) that constitutes by a unit IGBT module (71) and by RC; The inner IGBT single tube of described IGBT module (71) provides conducting under the conducting pulse signal in described PWM control and drive circuit (6), for the back level provides energy; Fly-wheel diode conducting when the IGBT of inside single tube turn-offs that described IGBT module (71) is inner is for the back level provides energy; Surge voltage when surge voltage when described buffer network (72) turn-offs in order to control the inner IGBT single tube of described IGBT module (71) and inner fly-wheel diode recover.
9. a kind of high-power portable intelligent recharge and discharge machine according to claim 1 is characterized in that: described two-way LC filter circuit (8) adopts two-stage two-way LC filter circuit.
10. a kind of high-power portable intelligent recharge and discharge machine according to claim 1, it is characterized in that: described soft starting circuit (5) is made up of relay and resistance, relay disconnects under the control of microprocessor (11) output control signal during energising, and relay inserts major loop with resistance.
CN2010100458596A 2010-01-21 2010-01-21 High-power portable intelligent recharge and discharge machine CN101888110B (en)

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Cited By (10)

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Publication number Priority date Publication date Assignee Title
CN102201690A (en) * 2011-05-18 2011-09-28 肇庆理士电源技术有限公司 Extensive using method of charging and discharging motor
CN102437599A (en) * 2011-10-17 2012-05-02 上海交通大学 New electric energy recycling device of electric vehicle
CN102832682A (en) * 2012-08-07 2012-12-19 国网电力科学研究院武汉南瑞有限责任公司 High-power charging and discharging machine with reactive compensation function
CN102969958A (en) * 2012-11-22 2013-03-13 许继集团有限公司 MW-stage cage-type asynchronous machine starting circuit and method
CN103094959A (en) * 2012-12-29 2013-05-08 国电南瑞科技股份有限公司 Portable automatic electric car charging box and arranging and running method thereof
CN104065151A (en) * 2014-07-01 2014-09-24 国家电网公司 Electric car charging system possessing battery protection function
CN104167737A (en) * 2014-05-28 2014-11-26 白晓民 Charge and discharge protection circuits of APF/SVG direct current capacitor and method
CN104638898A (en) * 2013-11-12 2015-05-20 沈阳新松机器人自动化股份有限公司 Soft start control device system
CN106230036A (en) * 2016-07-25 2016-12-14 宇能电气有限公司 Battery discharging machine
CN107919677A (en) * 2017-12-25 2018-04-17 衢州职业技术学院 Control of Electric Vehicles method and electric automobile control device

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CN2257103Y (en) * 1995-10-13 1997-06-25 中南工学院 Intelligent switch power type quick charger
CN201608552U (en) * 2010-01-21 2010-10-13 彭绍岛 High-power portable intelligent charge-discharge machine

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102201690A (en) * 2011-05-18 2011-09-28 肇庆理士电源技术有限公司 Extensive using method of charging and discharging motor
CN102437599A (en) * 2011-10-17 2012-05-02 上海交通大学 New electric energy recycling device of electric vehicle
CN102832682A (en) * 2012-08-07 2012-12-19 国网电力科学研究院武汉南瑞有限责任公司 High-power charging and discharging machine with reactive compensation function
CN102969958A (en) * 2012-11-22 2013-03-13 许继集团有限公司 MW-stage cage-type asynchronous machine starting circuit and method
CN102969958B (en) * 2012-11-22 2015-03-04 许继电气股份有限公司 MW-stage cage-type asynchronous machine starting circuit and method
CN103094959A (en) * 2012-12-29 2013-05-08 国电南瑞科技股份有限公司 Portable automatic electric car charging box and arranging and running method thereof
CN104638898A (en) * 2013-11-12 2015-05-20 沈阳新松机器人自动化股份有限公司 Soft start control device system
CN104167737A (en) * 2014-05-28 2014-11-26 白晓民 Charge and discharge protection circuits of APF/SVG direct current capacitor and method
CN104167737B (en) * 2014-05-28 2017-12-19 白晓民 A kind of charge-discharge protection circuit and method of APF/SVG DC capacitors
CN104065151A (en) * 2014-07-01 2014-09-24 国家电网公司 Electric car charging system possessing battery protection function
CN106230036A (en) * 2016-07-25 2016-12-14 宇能电气有限公司 Battery discharging machine
CN107919677A (en) * 2017-12-25 2018-04-17 衢州职业技术学院 Control of Electric Vehicles method and electric automobile control device

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