CN106740153B - A kind of intelligent power power-supply system for pure electric vehicle - Google Patents
A kind of intelligent power power-supply system for pure electric vehicle Download PDFInfo
- Publication number
- CN106740153B CN106740153B CN201611245344.4A CN201611245344A CN106740153B CN 106740153 B CN106740153 B CN 106740153B CN 201611245344 A CN201611245344 A CN 201611245344A CN 106740153 B CN106740153 B CN 106740153B
- Authority
- CN
- China
- Prior art keywords
- resistance
- switching tube
- input terminal
- relay
- power
- Prior art date
- Legal status (The legal status 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 status listed.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/40—Electric propulsion with power supplied within the vehicle using propulsion power supplied by capacitors
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to electric car power supply technical fields, and in particular to a kind of intelligent power power-supply system for pure electric vehicle.A kind of intelligent power power-supply system for pure electric vehicle, including remote controler；Infrared module, input terminal are connected with the output end of remote controler；Control circuit, input terminal are connected with the output end of infrared module；Constant-current charging circuit, input terminal are connected with battery pack, and the output end of constant-current charging circuit is connected by control circuit with capacitor group；Supercapacitor group, input terminal are connected with the output end of constant-current charging circuit, and the output end of supercapacitor group is connected with the input terminal of power-adjustable discharge circuit；Power-adjustable discharge circuit, input terminal are connected by control circuit with supercapacitor group, and the output end of power-adjustable discharge circuit is connected with load；A/D converter, input terminal are connected with the output end of supercapacitor group, and the output end of A/D converter is connected with the input terminal of control circuit.
Description
Technical field
The invention belongs to electric car power supply technical fields, and in particular to a kind of intelligent power power supply for pure electric vehicle
System.
Background technique
Environmental pollution and the in short supply of the petrochemical industry class energy force people's exploitation to use various new energies.Due to 60% in air
Containing carbon emission from fuel-engined vehicle tail gas, while the petrochemical industry class energy i.e. will be exhausted, and people is forced to develop novel electric vehicle
Solve the problems, such as current and future vehicle used energy.
At present in addition to accounting for 80~90% or more fuel vehicle, there are also hybrid electric vehicle, extended-range electric vehicle and pure electric vehicle.
Pure electric vehicle will become one of following Main Trends of The Development due to the restriction departing from the petrochemical industry class energy.
Electric vehicle is mainly based on battery class power source at present, but since battery class power source charge/discharge speed is slow
(hour magnitude), power density are small, cause electric car in continuation of the journey, multi gear speed change (including in terms ofs starting, brake etc. and combustion
Oily vehicle, which is compared, is in weak tendency.
Supercapacitor is the novel green electric power supply energy storage device of one kind developed in recent years, is compared to battery,
Supercapacitor breaches the constant pressure charge and discharge mode of battery, is constant current charge-discharge mode, so that supercapacitor has charge and discharge
Electric speed fast (minute or second-time), the features such as power density is big, be expected to realize the quick speed change of electric vehicle (high power density) and
Quickly continuation of the journey function.
But supercapacitor due to energy density deficiency, can't be separately as power source.Some pure electric vehicles will
Battery and supercapacitor common completion vehicle power mains function used in parallel: battery provides constant pressure portion (power is constant),
Supercapacitor provides transforming portion (Variable power), and to solve the problems, such as Variable power, but type of device difference has matching between the two
And compatibling problem, cause integral device performance and service life to be adversely affected, electrical source of power is not using in optimum state；Power becomes
Change amplitude is restricted, and the charging time is longer, and cruising ability is restricted, and utilization rate of electrical is not high.Therefore it needs to develop one kind
, power density height high with energy density, the novel pure electric motor intelligent electrical source of power system for facilitating the advantages such as continuation of the journey.
The present invention is based on the spies of battery (energy density is excellent) and supercapacitor (power density is excellent, and charge/discharge speed is fast)
Point, realization, which optimizes supercapacitor with battery, combines, and having total system, energy density is high, power density is high, side
Just the advantages such as continuation of the journey.
Summary of the invention
Goal of the invention: the present invention has made improvements in view of the above-mentioned problems of the prior art, i.e., the invention discloses offers
A kind of intelligent power power-supply system for pure electric vehicle.
A kind of technical solution: intelligent power power-supply system for pure electric vehicle, comprising:
Remote controler,
Infrared module, input terminal are connected with the output end of the remote controler, for receiving the start and stop letter from remote controler
Number or speed adjustment signal, and by start stop signal or speed adjustment signal be sent to control circuit processing；
Control circuit, input terminal are connected with the output end of the infrared module, according to the monitoring electricity of A/D converter input
The charge and discharge switching between signal control supercapacitor group is pressed, while output is adjusted to power-adjustable according to speed adjustment signal
The duty ratio of the PWM wave of discharge circuit；
Constant-current charging circuit, input terminal are connected with battery pack, the output end of constant-current charging circuit by control circuit with
Capacitor group is connected, for carrying out constant-current charge for supercapacitor group；
Battery pack, for providing electric energy for constant-current charging circuit；
Supercapacitor group, input terminal are connected with the output end of constant-current charging circuit, the output end of supercapacitor group
It is connected with the input terminal of power-adjustable discharge circuit, for energy storage and gives discharge circuit continued power；
Power-adjustable discharge circuit, input terminal are connected by control circuit with supercapacitor group, power-adjustable electric discharge
The output end of circuit with load be connected, for for load supplying and pass through reception control circuit PWM wave Signal Regulation for electric work
Rate size；
A/D converter, input terminal are connected with the output end of supercapacitor group, the output end of A/D converter and control
The input terminal of circuit is connected, and for the voltage analog signal at supercapacitor group both ends to be converted to digital signal, and is sent to
Control circuit processing, to realize the function of monitoring voltage.
Further, the supercapacitor group includes that the supercapacitor of two alternating charge and discharge is spare at least one
Supercapacitor.
Further, the constant-current charging circuit includes operational amplifier U1A, operational amplifier U1B, metal-oxide-semiconductor Q1, capacitor
C1, capacitor C2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, cement resistor R7, cement resistor R8, water
Mud resistance R9, cement resistor R10 and cement resistor R11,
The voltage of single-chip microcontroller output is sent into the non-inverting input terminal of operational amplifier U1A, and the output end of operational amplifier U1A is logical
It crosses resistance R1 to be connected with the end G of metal-oxide-semiconductor Q1, the conducting degree of metal-oxide-semiconductor is controlled according to input voltage size, thus obtained at the end S
Corresponding output electric current,
One end of resistance R6 is connected with one end of the end S of metal-oxide-semiconductor Q1, resistance R2 respectively, the other end of resistance R2 and operation
The non-inverting input terminal of amplifier U1B is connected, and the sampled voltage generated on resistance R6 is by resistance R2 input operational amplifier U1B's
The other end of non-inverting input terminal, resistance R6 is grounded and is sequentially connected in series with resistance R5, resistance R4, resistance R3,
The inverting input terminal of operational amplifier U1B is connected between resistance R4 and resistance R5, passes through resistance R3, resistance R4
The ratio between the sum of resistance value and resistance R5 resistance value, obtain corresponding voltage and the inverting input terminal of input operational amplifier U1B, operation are put
The output end of big device U1B is connected to the inverting input terminal of operational amplifier U1A, and operational amplifier U1A is according to the voltage of negative-feedback
Output voltage is adjusted, is stablized to control electric current,
Capacitor C1 is connected between the output end of operational amplifier U1A and the inverting input terminal of operational amplifier U1A,
Capacitor C2 is connected to resistance R3, the both ends resistance R4, rises and filters concussion voltage, the stable effect of maintenance voltage,
Cement resistor R7, cement resistor R8, cement resistor R9, cement resistor R10 and cement resistor R11 are in parallel,
Control circuit, cement resistor R7~R11 are accessed between the end D of metal-oxide-semiconductor Q1 and one end of cement resistor R7~R11
The other end be connected by switch with battery pack, by five cement resistors in parallel, obtain a lesser resistance value, reduction inputs
To the voltage at the end D of metal-oxide-semiconductor Q1, reduce the pressure drop at the end D and the end S of metal-oxide-semiconductor Q1, to reduce metal-oxide-semiconductor Q1 fever.
Further, the ratio between the sum of resistance value of resistance R3, resistance R4 and resistance R5 resistance value are 19:1.
Further, the power-adjustable discharge circuit includes switching tube Q2, inductance L1, diode D1, capacitor C3 and bears
R12 is carried,
Switch is connected with one end of inductance L1, and the inductance L1 other end is connected with the end D of switching tube Q2, the end S of switching tube Q2
Ground connection, the end G of switching tube Q2 are connected with the PWM wave output end of single-chip microcontroller,
The end D of switching tube Q2 is also connected with one end of diode D1, one end phase of the other end and load R12 of diode D1
Even, load R12 other end ground connection,
Capacitor C3 is connected in parallel on the load both ends R12.
Further, the control circuit include single-chip microcontroller, relay S1, relay S2, relay S3, switching tube Q3,
Switching tube Q4, switching tube Q5, switching tube Q6, switching tube Q7 and switching tube Q8,
One end that relay S1, relay S2, relay S3 are closed is normal-closed end, relay S1, relay S2, relay
The other end of S3 is normally open end,
Relay S1, relay S2, relay S3 normal-closed end be connected at the 3 of output end d,
Relay S1, relay S2, relay S3 normally open end be connected at the 1 of input terminal b,
Relay S1, relay S2, the control terminal of relay S3 are connected with the output end of single-chip microcontroller,
The common end of relay S1 is connected with one end of capacitor C4, and the other end of capacitor C4 is respectively with switching tube Q3's
The end S, the end D of switching tube Q4 are connected, are connected at the end D of switching tube Q3 and the 2 of input terminal b, the end S of switching tube Q4 and output end d
4 at be connected, the end G of switching tube Q3, the end G of switching tube Q4 are connected with the output end of single-chip microcontroller,
The common end of relay S2 is connected with one end of capacitor C5, and the other end of capacitor C5 is respectively with switching tube Q5's
The end S, the end D of switching tube Q6 are connected, are connected at the end D of switching tube Q5 and the 2 of input terminal b, the end S of switching tube Q6 and output end d
4 at be connected, the end G of switching tube Q5, the end G of switching tube Q6 are connected with the output end of single-chip microcontroller,
The common end of relay S3 is connected with one end of capacitor C6, and the other end of capacitor C6 is respectively with switching tube Q7's
The end S, the end D of switching tube Q8 are connected, are connected at the end D of switching tube Q7 and the 2 of input terminal b, the end S of switching tube Q8 and output end d
4 at be connected,
The end G of switching tube Q7, the end G of switching tube Q8 are connected with the output end of single-chip microcontroller.
The utility model has the advantages that a kind of intelligent power power-supply system for pure electric vehicle disclosed by the invention has below beneficial to effect
Fruit:
1, continued power；
2, constant current quick charge；
3, discharge power is adjustable；
4, cruise duration is long --- and battery pack has high-energy density, and activity can substitute, and uses replacement mode in a short time
It is long to solve traditional pure electric vehicle charging time, the weak problem of cruising ability；
5, supercapacitor high power density solves that the high-power releasability of conventional batteries electric vehicle is weak and speed change amplitude
The problems such as small, and Variable power brings shorter battery life.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the intelligent power power-supply system for pure electric vehicle disclosed by the invention；
Fig. 2 is a kind of structural schematic diagram block diagram of the intelligent power power-supply system for pure electric vehicle disclosed by the invention；
Fig. 3 is the circuit diagram of constant-current charging circuit；
Fig. 4 is the circuit diagram of power-adjustable discharge circuit；
Fig. 5 is the circuit diagram of control circuit.
Specific embodiment:
Detailed description of specific embodiments of the present invention below.
As shown in Fig. 2, a kind of intelligent power power-supply system for pure electric vehicle, comprising:
Remote controler,
Infrared module, input terminal are connected with the output end of remote controler, for receive start stop signal from remote controler or
Speed adjustment signal, and start stop signal or speed adjustment signal are sent to control circuit processing；
Control circuit, input terminal are connected with the output end of infrared module, are believed according to the monitoring voltage of A/D converter input
Number control supercapacitor group between charge and discharge switching, while according to speed adjustment signal adjust output give power-adjustable discharge
The duty ratio of the PWM wave of circuit；
Constant-current charging circuit, input terminal are connected with battery pack, the output end of constant-current charging circuit by control circuit with
Capacitor group is connected, for carrying out constant-current charge for supercapacitor group；
Battery pack, for providing electric energy for constant-current charging circuit；
Supercapacitor group, input terminal are connected with the output end of constant-current charging circuit, the output end of supercapacitor group
It is connected with the input terminal of power-adjustable discharge circuit, for energy storage and gives discharge circuit continued power；
Power-adjustable discharge circuit, input terminal are connected by control circuit with supercapacitor group, power-adjustable electric discharge
The output end of circuit with load be connected, for for load supplying and pass through reception control circuit PWM wave Signal Regulation for electric work
Rate size；
A/D converter, input terminal are connected with the output end of supercapacitor group, the output end of A/D converter and control
The input terminal of circuit is connected, and for the voltage analog signal at supercapacitor group both ends to be converted to digital signal, and is sent to
Control circuit processing, to realize the function of monitoring voltage.
Further, supercapacitor group includes that the supercapacitor of two alternating charge and discharge is spare super at least one
Capacitor.
When starting, battery pack is set to give supercapacitor group quick charge by constant-current charging circuit, control circuit monitors
When supercapacitor is full of, the 1st group of supercapacitor of control switches to discharge module.When the 1st supercapacitor is discharged to setting
Electric discharge lower limit when, control circuit is switched it to charging module, while the 2nd supercapacitor is switched to discharge module, two
A supercapacitor recycles in the above manner, realizes and continues charge and discharge.Control circuit passes through detection discharge capacity device when electric discharge
Group both end voltage works as control to maintain discharge power constant with the duty ratio that voltage declines the constantly PWM wave of adjustment output
When circuit receives acceleration signals, the duty ratio by adjusting PWM wave increases discharge power；If discharge power is greater than charging function
Rate will enable the 3rd supercapacitor as backup power source, to meet the needs of high power discharge in the short time, when the 1st super electricity
When container and the 2nd supercapacitor do not charge, then charge to the 3rd supercapacitor.
Further, as shown in figure 3, constant-current charging circuit includes operational amplifier U1A, operational amplifier U1B, metal-oxide-semiconductor
Q1, capacitor C1, capacitor C2, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, cement resistor R7, cement electricity
R8, cement resistor R9, cement resistor R10 and cement resistor R11 are hindered,
The voltage of single-chip microcontroller output is sent into the non-inverting input terminal of operational amplifier U1A, and the output end of operational amplifier U1A is logical
It crosses resistance R1 to be connected with the end G of metal-oxide-semiconductor Q1, the conducting degree of metal-oxide-semiconductor is controlled according to input voltage size, thus obtained at the end S
Corresponding output electric current,
One end of resistance R6 is connected with one end of the end S of metal-oxide-semiconductor Q1, resistance R2 respectively, the other end of resistance R2 and operation
The non-inverting input terminal of amplifier U1B is connected, and the sampled voltage generated on resistance R6 is by resistance R2 input operational amplifier U1B's
The other end of non-inverting input terminal, resistance R6 is grounded and is sequentially connected in series with resistance R5, resistance R4, resistance R3,
The inverting input terminal of operational amplifier U1B is connected between resistance R4 and resistance R5, passes through resistance R3, resistance R4
The ratio between the sum of resistance value and resistance R5 resistance value, obtain corresponding voltage and the inverting input terminal of input operational amplifier U1B, operation are put
The output end of big device U1B is connected to the inverting input terminal of operational amplifier U1A, and operational amplifier U1A is according to the voltage of negative-feedback
Output voltage is adjusted, is stablized to control electric current,
Capacitor C1 is connected between the output end of operational amplifier U1A and the inverting input terminal of operational amplifier U1A,
Capacitor C2 is connected to resistance R3, the both ends resistance R4, rises and filters concussion voltage, the stable effect of maintenance voltage,
Cement resistor R7, cement resistor R8, cement resistor R9, cement resistor R10 and cement resistor R11 are in parallel,
Control circuit, cement resistor R7~R11 are accessed between the end D of metal-oxide-semiconductor Q1 and one end of cement resistor R7~R11
The other end be connected by switch with battery pack, by five cement resistors in parallel, obtain a lesser resistance value, reduction inputs
To the voltage at the end D of metal-oxide-semiconductor Q1, reduce the pressure drop at the end D and the end S of metal-oxide-semiconductor Q1, to reduce metal-oxide-semiconductor Q1 fever.
Further, the ratio between the sum of resistance value of resistance R3, resistance R4 and resistance R5 resistance value are 19:1.
Further, as shown in figure 4, power-adjustable discharge circuit includes switching tube Q2, inductance L1, diode D1, capacitor
C3 and load R12,
Switch is connected with one end of inductance L1, and the inductance L1 other end is connected with the end D of switching tube Q2, the end S of switching tube Q2
Ground connection, the end G of switching tube Q2 are connected with the PWM wave output end of single-chip microcontroller,
The end D of switching tube Q2 is also connected with one end of diode D1, one end phase of the other end and load R12 of diode D1
Even, load R12 other end ground connection,
Capacitor C3 is connected in parallel on the load both ends R12.
In use, due to the one-way conduction of diode D1, entire circuit is divided into two parts when switching tube Q2 closure.Two
Pole pipe left side inductance L1 plays energy storage, and the right is powered by capacitor C3 to load R12.When switching tube Q2 shutdown, inductance L1 is released
The energy of storage is put, to load R12 power supply and capacitor C3 charging, the duty ratio of PWM wave, regulating switch pipe are led based on the received
Logical and shutdown time ratio, to obtain corresponding voltage amplification factor.
Further, as shown in figure 5, control circuit includes single-chip microcontroller, relay S1, relay S2, relay S3, switch
Pipe Q3, switching tube Q4, switching tube Q5, switching tube Q6, switching tube Q7 and switching tube Q8,
One end that relay S1, relay S2, relay S3 are closed is normal-closed end, relay S1, relay S2, relay
The other end of S3 is normally open end,
Relay S1, relay S2, relay S3 normal-closed end be connected at the 3 of output end d,
Relay S1, relay S2, relay S3 normally open end be connected at the 1 of input terminal b,
Relay S1, relay S2, the control terminal of relay S3 are connected with the output end of single-chip microcontroller,
The common end of relay S1 is connected with one end of capacitor C4, and the other end of capacitor C4 is respectively with switching tube Q3's
The end S, the end D of switching tube Q4 are connected, are connected at the end D of switching tube Q3 and the 2 of input terminal b, the end S of switching tube Q4 and output end d
4 at be connected, the end G of switching tube Q3, the end G of switching tube Q4 are connected with the output end of single-chip microcontroller,
The common end of relay S2 is connected with one end of capacitor C5, and the other end of capacitor C5 is respectively with switching tube Q5's
The end S, the end D of switching tube Q6 are connected, are connected at the end D of switching tube Q5 and the 2 of input terminal b, the end S of switching tube Q6 and output end d
4 at be connected, the end G of switching tube Q5, the end G of switching tube Q6 are connected with the output end of single-chip microcontroller,
The common end of relay S3 is connected with one end of capacitor C6, and the other end of capacitor C6 is respectively with switching tube Q7's
The end S, the end D of switching tube Q8 are connected, are connected at the end D of switching tube Q7 and the 2 of input terminal b, the end S of switching tube Q8 and output end d
4 at be connected,
The end G of switching tube Q7, the end G of switching tube Q8 are connected with the output end of single-chip microcontroller.
A kind of basic ideas of intelligent power power-supply system for pure electric vehicle disclosed by the invention be by battery pack and
Supercapacitor group function separates, and battery pack is only made to provide female electric supply system of the supercapacitor energy, supercapacitor
Only execute system as the sub- power supply for providing power source, female power supply and sub- power supply be it is one-to-many, sub- power supply is with dynamical system
Many-one, the schematic diagram of whole system as shown in Figure 1, under control circuit, different sub- power supplys be respectively at charging, electric discharge,
With it is fully charged wait etc. situations,
Sub- power supply is disconnected when being lower than electric discharge standard with dynamical system, accesses female batter-charghing system, and group power supply is completed
It after charging tasks, is disconnected with female power supply, is in and connect wait state or connection status with dynamical system；Dynamical system control circuit
It determines to access sub- power supply number and state according to delivered power size and variation (i.e. speed).
Battery pack mother's power supply can be placed on the tailstock in the car by pure electric vehicle intelligent power power supply system of the invention, super
The sub- power supply of capacitor group and intelligent control system are placed on the controllable position in Chinese herbaceous peony portion, vehicle can be made to reach overall weight so flat
Weighing apparatus.Battery pack mother's power supply is designed as the replaceable system of activity, carries out quick-replaceable to charge station or public transport terminus, meets long-range
Cruising ability.
The sub- power supply of supercapacitor group and intelligent control System Design are fixed system, make the power supply and control system phase of vehicle
To stabilization, the sub- power supply of supercapacitor group can quickly be charged from battery pack mother's power supply at any time, can also become function to dynamical system
Rate releases energy, and whole system is enable to have big energy density, power density, fast charging and discharging, long-life, excellent continuation of the journey
Power.
With the passage of runing time, to maintain power invariability that duty ratio, and different stalls duty ratio tune need to be continuously improved
Adjusting range is different, specifically:
Low or first gear 35.7%~47.6%, makes power maintain 1.52W or so；
Mid ranger 46.0%~59.0%, makes power maintain 2.76W or so；
Top gear 67.8%~85.6%, makes power maintain 4.80W or so.
Reaction time < 0.2s is (due to the design of PWM wave and BOOST boost chopper using 10kHz, reaction
Time is very short).
Embodiments of the present invention are elaborated above.But present invention is not limited to the embodiments described above,
Technical field those of ordinary skill within the scope of knowledge, can also do without departing from the purpose of the present invention
Various change out.
Claims (5)
1. a kind of intelligent power power-supply system for pure electric vehicle characterized by comprising
Remote controler；
Infrared module, input terminal are connected with the output end of the remote controler, for receive start stop signal from remote controler or
Speed adjustment signal, and start stop signal or speed adjustment signal are sent to control circuit processing；
Control circuit, input terminal are connected with the output end of the infrared module, are believed according to the monitoring voltage of A/D converter input
Number control supercapacitor group between charge and discharge switching, while according to speed adjustment signal adjust output give power-adjustable discharge
The duty ratio of the PWM wave of circuit；
Constant-current charging circuit, input terminal are connected with battery pack, and the output end of constant-current charging circuit passes through control circuit and capacitor
Device group is connected, for carrying out constant-current charge for supercapacitor group；
Battery pack, for providing electric energy for constant-current charging circuit；
Supercapacitor group, input terminal are connected with the output end of constant-current charging circuit, the output end of supercapacitor group with can
The input terminal of adjusting power discharge circuit is connected, and for energy storage and gives discharge circuit continued power；
Power-adjustable discharge circuit, input terminal are connected by control circuit with supercapacitor group, power-adjustable discharge circuit
Output end with load be connected, for for load supplying and pass through reception control circuit PWM wave Signal Regulation output power it is big
It is small；
A/D converter, input terminal are connected with the output end of supercapacitor group, the output end and control circuit of A/D converter
Input terminal be connected, for the voltage analog signal at supercapacitor group both ends to be converted to digital signal, and be sent to control
Processing of circuit, to realize the function of monitoring voltage, in which:
The power-adjustable discharge circuit includes switching tube Q2, inductance L1, diode D1, capacitor C3 and load R12；
Switch is connected with one end of inductance L1, and the inductance L1 other end is connected with the end D of switching tube Q2, the end the S ground connection of switching tube Q2,
The end G of switching tube Q2 is connected with the PWM wave output end of single-chip microcontroller；
The end D of switching tube Q2 is also connected with one end of diode D1, and the other end of diode D1 is connected with one end of load R12,
Load R12 other end ground connection；
Capacitor C3 is connected in parallel on the load both ends R12.
2. a kind of intelligent power power-supply system for pure electric vehicle according to claim 1, which is characterized in that described super
Grade capacitor group includes the supercapacitor and at least one spare supercapacitor of two alternating charge and discharge.
3. a kind of intelligent power power-supply system for pure electric vehicle according to claim 1, which is characterized in that the perseverance
Current charge circuit includes operational amplifier U1A, operational amplifier U1B, metal-oxide-semiconductor Q1, capacitor C1, capacitor C2, resistance R1, resistance
R2, resistance R3, resistance R4, resistance R5, resistance R6, cement resistor R7, cement resistor R8, cement resistor R9, cement resistor R10 and
Cement resistor R11；
The voltage of single-chip microcontroller output is sent into the non-inverting input terminal of operational amplifier U1A, and the output end of operational amplifier U1A passes through electricity
Resistance R1 is connected with the end G of metal-oxide-semiconductor Q1, and the conducting degree of metal-oxide-semiconductor is controlled according to input voltage size, thus obtains at the end S corresponding
Output electric current；
One end of resistance R6 is connected with one end of the end S of metal-oxide-semiconductor Q1, resistance R2 respectively, the other end and operation amplifier of resistance R2
The non-inverting input terminal of device U1B is connected, and the sampled voltage generated on resistance R6 passes through the same phase of resistance R2 input operational amplifier U1B
The other end of input terminal, resistance R6 is grounded and is sequentially connected in series with resistance R5, resistance R4, resistance R3；
The inverting input terminal of operational amplifier U1B is connected between resistance R4 and resistance R5, passes through the resistance value of resistance R3, resistance R4
The sum of the ratio between with resistance R5 resistance value, obtain corresponding voltage and the inverting input terminal of input operational amplifier U1B, operational amplifier
The output end of U1B is connected to the inverting input terminal of operational amplifier U1A, and operational amplifier U1A is adjusted according to the voltage of negative-feedback
Output voltage is stablized to control electric current；
Capacitor C1 is connected between the output end of operational amplifier U1A and the inverting input terminal of operational amplifier U1A；
Capacitor C2 is connected to resistance R3, the both ends resistance R4, plays filtering concussion voltage, the stable effect of maintenance voltage；
Cement resistor R7, cement resistor R8, cement resistor R9, cement resistor R10 and cement resistor R11 are in parallel；
Control circuit is accessed between the end D of metal-oxide-semiconductor Q1 and one end of cement resistor R7~R11, cement resistor R7~R11's is another
One end is connected by switch with battery pack, by five cement resistors in parallel, obtains a lesser resistance value, reduction is input to
The voltage at the end D of metal-oxide-semiconductor Q1, reduces the pressure drop at the end D and the end S of metal-oxide-semiconductor Q1, to reduce metal-oxide-semiconductor Q1 fever.
4. a kind of intelligent power power-supply system for pure electric vehicle according to claim 3, which is characterized in that resistance
The ratio between the sum of resistance value of R3, resistance R4 and resistance R5 resistance value are 19:1.
5. a kind of intelligent power power-supply system for pure electric vehicle according to claim 1, which is characterized in that the control
Circuit processed includes single-chip microcontroller, relay S1, relay S2, relay S3, switching tube Q3, switching tube Q4, switching tube Q5, switching tube
Q6, switching tube Q7 and switching tube Q8；
Relay S1, relay S2, relay S3 closure one end be normal-closed end, relay S1, relay S2, relay S3
The other end is normally open end；
Relay S1, relay S2, relay S3 normal-closed end be connected at the 3 of output end d；
Relay S1, relay S2, relay S3 normally open end be connected at the 1 of input terminal b；
Relay S1, relay S2, the control terminal of relay S3 are connected with the output end of single-chip microcontroller；
The common end of relay S1 is connected with one end of capacitor C4, the other end of capacitor C4 respectively with the end S of switching tube Q3,
The end D of switching tube Q4 is connected, and is connected at the end D of switching tube Q3 and the 2 of input terminal b, at the end S of switching tube Q4 and the 4 of output end d
It is connected, the end G of switching tube Q3, the end G of switching tube Q4 are connected with the output end of single-chip microcontroller；
The common end of relay S2 is connected with one end of capacitor C5, the other end of capacitor C5 respectively with the end S of switching tube Q5,
The end D of switching tube Q6 is connected, and is connected at the end D of switching tube Q5 and the 2 of input terminal b, at the end S of switching tube Q6 and the 4 of output end d
It is connected, the end G of switching tube Q5, the end G of switching tube Q6 are connected with the output end of single-chip microcontroller；
The common end of relay S3 is connected with one end of capacitor C6, the other end of capacitor C6 respectively with the end S of switching tube Q7,
The end D of switching tube Q8 is connected, and is connected at the end D of switching tube Q7 and the 2 of input terminal b, at the end S of switching tube Q8 and the 4 of output end d
It is connected；
The end G of switching tube Q7, the end G of switching tube Q8 are connected with the output end of single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245344.4A CN106740153B (en) | 2016-12-29 | 2016-12-29 | A kind of intelligent power power-supply system for pure electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611245344.4A CN106740153B (en) | 2016-12-29 | 2016-12-29 | A kind of intelligent power power-supply system for pure electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106740153A CN106740153A (en) | 2017-05-31 |
| CN106740153B true CN106740153B (en) | 2019-05-21 |
Family
ID=58928801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611245344.4A Active CN106740153B (en) | 2016-12-29 | 2016-12-29 | A kind of intelligent power power-supply system for pure electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106740153B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066946B (en) * | 2018-07-19 | 2020-05-19 | 杭州电子科技大学 | Super capacitor double-closed-loop voltage reduction charging control circuit based on voltage limiting tracking |
| CN108899951B (en) * | 2018-07-19 | 2020-08-04 | 杭州电子科技大学 | Super capacitor double closed-loop buck-boost charging control circuit based on voltage stabilization output type |
| CN112803388B (en) * | 2021-03-19 | 2022-04-15 | 株洲中车时代电气股份有限公司 | Discharging system of energy storage device and ground discharging system of new energy traffic vehicle |
| CN114268161B (en) * | 2022-03-01 | 2022-07-12 | 南方电网数字电网研究院有限公司 | Multi-stage super-capacity super-capacitor stable power supply method for integrated sensor of power transmission line |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359052A (en) * | 2012-04-06 | 2013-10-23 | 比亚迪股份有限公司 | Vehicle intelligent key device, vehicle remote control drive system and vehicle remote control drive method |
| CN204243873U (en) * | 2014-12-10 | 2015-04-01 | 陕西理工学院 | The hybrid accumulator of a kind of ultracapacitor and storage battery |
| CN204506595U (en) * | 2015-04-10 | 2015-07-29 | 哈尔滨理工大学 | Composite energy storage type drive system of electric automobile |
| CN105599621A (en) * | 2016-02-19 | 2016-05-25 | 西南交通大学 | Energy supply system and control strategy of lithium batteries of electric automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101241221B1 (en) * | 2010-12-06 | 2013-03-13 | 주식회사 이지트로닉스 | Charging system for mild hybrid vehicle |
-
2016
- 2016-12-29 CN CN201611245344.4A patent/CN106740153B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359052A (en) * | 2012-04-06 | 2013-10-23 | 比亚迪股份有限公司 | Vehicle intelligent key device, vehicle remote control drive system and vehicle remote control drive method |
| CN204243873U (en) * | 2014-12-10 | 2015-04-01 | 陕西理工学院 | The hybrid accumulator of a kind of ultracapacitor and storage battery |
| CN204506595U (en) * | 2015-04-10 | 2015-07-29 | 哈尔滨理工大学 | Composite energy storage type drive system of electric automobile |
| CN105599621A (en) * | 2016-02-19 | 2016-05-25 | 西南交通大学 | Energy supply system and control strategy of lithium batteries of electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106740153A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106740153B (en) | A kind of intelligent power power-supply system for pure electric vehicle | |
| CN106696721B (en) | Dual-source energy system of pure electric vehicle, power supply control method, fast charging method and slow charging method | |
| CN102114788B (en) | Power integrated digital management system for electric vehicle | |
| CN105406526B (en) | The integrated design circuit of novel B uck Boosts and charge-discharge circuit and equalizing circuit | |
| CN111313524A (en) | Stage-type charging feedback control circuit of vehicle-mounted charger and implementation method | |
| CN104753445B (en) | Solar power supply apparatus | |
| CN103872749A (en) | Topology circuit for power regulation of satellite power supply system | |
| CN101710630B (en) | Vehicle lithium battery intelligent charging method and device thereof | |
| CN108321864B (en) | Charging system with multi-terminal complementary input and output energy coordinated distribution and control method | |
| CN212304790U (en) | Vehicle-mounted micro-grid with solar panel and power plant formed by polymerizing same | |
| CN203554001U (en) | Voltage equalizing device | |
| CN210490543U (en) | Multi-stage energy storage element parallel charging and discharging system | |
| CN105871012B (en) | The two-way charging module of V2G direct current | |
| CN210430989U (en) | Charging device applied to inspection system | |
| CN204905978U (en) | Electric automobile removes charging system | |
| CN216959367U (en) | Portable energy storage device | |
| CN202503332U (en) | Plug-in electric vehicle charger with controller area network (CAN) interface | |
| CN204968151U (en) | Intelligence lamps and lanterns with wireless function of charging stage by stage | |
| CN205029420U (en) | Solar energy commercial power complementation that voltage is adjustable stake of charging | |
| CN202134949U (en) | Vehicle-mounted large power charging device based on minisize PLC control | |
| CN203813475U (en) | Equalization charging system applied to automobile power battery | |
| CN207200618U (en) | A kind of hybrid energy-storing control device of photovoltaic system | |
| CN201813199U (en) | Farad capacitor charger | |
| CN206790102U (en) | Power network of providing multiple forms of energy to complement each other filters accumulator | |
| CN201608559U (en) | Vehicle-mounted power battery charger having switch power supply function with soft switching technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |