CN106394299A - Power system and electric automobile - Google Patents

Power system and electric automobile Download PDF

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Publication number
CN106394299A
CN106394299A CN201610982662.2A CN201610982662A CN106394299A CN 106394299 A CN106394299 A CN 106394299A CN 201610982662 A CN201610982662 A CN 201610982662A CN 106394299 A CN106394299 A CN 106394299A
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China
Prior art keywords
power source
vehicle battery
dynamical system
battery
electrically connected
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CN201610982662.2A
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Chinese (zh)
Inventor
熊奕森
熊先泽
王倬
苏长兵
刘坚强
王川
彭建利
刘洪林
刘丰宁
高庆扬
吴铁虎
欧阳宁萌
刘梓恒
严锐
张怀伟
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Individual
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Individual
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Priority to CN201610982662.2A priority Critical patent/CN106394299A/en
Publication of CN106394299A publication Critical patent/CN106394299A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION 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
    • B60L58/00Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • 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
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The embodiment of the invention provides a power system and an electric automobile. The system comprises a portable power source, an automobile-mounted battery, a manager, an electronic quantity detection device and a single-chip microcomputer. The automobile-mounted battery is connected with a motor and supplies electric energy to the motor. The electronic quantity detection device is connected with the portable power source and the automobile-mounted battery so as to detect the residual electronic quantity of the portable power source and the automobile-mounted battery and send the residual electronic quantity to the single-chip microcomputer. The single-chip microcomputer is connected with the electronic quantity detection device so as to receive the residual electronic quantity obtained through detection of the electronic quantity detection device and judge whether the residual electronic quantity obtained through detection of the electronic quantity detection device is lower than a preset threshold value or not, and if the residual electronic quantity obtained through detection of the electronic quantity detection device is lower than the preset threshold value, control information is generated and sent to the manager, so that the manager controls the mobile power source to charge the automobile-mounted battery and controls the automobile-mounted battery to supply power to the motor. According to the system, the inner layout manner of the automobile-mounted battery of the electric automobile is designed, the mobile power source is additionally arranged, and therefore the mobile power source can charge the automobile-mounted battery immediately, the field limitation and wait time requirements are avoided, the use travel of an electric automobile user is improved, and wait-free charging is achieved.

Description

A kind of dynamical system and electric automobile
Technical field
The present invention relates to electric automobile field, in particular to a kind of dynamical system and electric automobile.
Background technology
With the aggravation of environmental pollution, pure electric automobile and hybrid vehicle can significantly eliminate even zero-emission because of it The advantage of vehicle exhaust, is paid attention to by government and automobile manufacturing enterprise.However, pure EHV electric and hybrid vehicle still has many Technical problem urgently breaks through, and wherein, battery durable ability and service life are more important problems.At present, electric automobile The function of dynamical system is relatively single, and is substantially only applicable to the rechargeable electric automobile for on-vehicle battery, makes Electric automobile due to limited by the battery capacity of on-vehicle battery, charging interval length and course continuation mileage shorter the problems such as, lead to practicality Property not enough it is impossible to promote the use of pure electric automobile on a large scale.Battery and dynamical system become the bottleneck restricting Development of Electric Vehicles Problem.
Content of the invention
In view of this, it is an object of the invention to provide a kind of dynamical system and electric automobile, to improve the problems referred to above.
Present pre-ferred embodiments provide a kind of dynamical system, are applied to the electric automobile including motor, described power System includes portable power source, on-vehicle battery, manager, electric quantity detection apparatus and single-chip microcomputer;
Described on-vehicle battery is electrically connected with described motor, for providing electric energy for described motor;
Described electric quantity detection apparatus are electrically connected with described portable power source and described on-vehicle battery, described for detecting Portable power source and the dump energy of described on-vehicle battery, and the dump energy that obtains of detection is sent to described single-chip microcomputer;
Described single-chip microcomputer is electrically connected with described electric quantity detection apparatus, obtains for receiving described electric quantity detection apparatus detection Dump energy, judge that whether described dump energy is less than predetermined threshold value, generate when described dump energy is less than predetermined threshold value Control information simultaneously sends to described manager;
Described manager is electrically connected at described single-chip microcomputer and described portable power source, described single-chip microcomputer and described on-vehicle battery Between, for receiving the control information that described single-chip microcomputer sends, and described portable power source is controlled to institute according to described control information State charging on-vehicle battery and control described on-vehicle battery to be described motor.
Further, described on-vehicle battery includes the battery pack of multigroup parallel connection, the least one set in multigroup described battery pack Battery pack is electrically connected with described motor, for providing electric energy for described motor;Described electric quantity detection apparatus and each battery Group is electrically connected with, for detecting the dump energy of each battery pack;Described single-chip microcomputer is electronic with described for drawing in judgement When dump energy in the battery pack that machine is electrically connected with is less than predetermined threshold value, send to the charging of this battery pack to described manager Control instruction, and switch another group of dump energy be higher than predetermined threshold value battery pack be described motor provide electric energy.
Further, described portable power source includes the mobile battery group of multigroup parallel connection, and described multigroup mobile battery group is removable Unload connection.
Further, described dynamical system also includes analog-digital converter and triode;
Described analog-digital converter is electrically connected between described electric quantity detection apparatus and described single-chip microcomputer, for will be from described The analog signal of the described dump energy of electric quantity detection apparatus output is converted to data signal and sends to described single-chip microcomputer;
Described triode is electrically connected between described single-chip microcomputer and described manager, for from the output of described single-chip microcomputer Control information be amplified and send to described manager.
Further, described dynamical system also includes inverter, described inverter be electrically connected at described portable power source and Between described on-vehicle battery, it is described on-vehicle battery for being converted to the direct current exporting from described portable power source after alternating current Charge.
Further, described dynamical system also includes vertoro, and described vertoro is electrically connected at described inverse Become between device and described on-vehicle battery, for the charging voltage according to described on-vehicle battery to the exchange exporting from described inverter Electricity carries out Transformer Rectifier and processes to improve the charge efficiency of described on-vehicle battery.
Further, described dynamical system also includes multiple gate-controlled switches and multiple first relay switch, the plurality of Gate-controlled switch is electrically connected between described portable power source and described inverter, and the plurality of first relay switch is electrically connected with Between described vertoro and described on-vehicle battery, described gate-controlled switch and described first relay switch are used for controlling institute State being turned on and off of the path between portable power source and described on-vehicle battery.
Further, described dynamical system also includes multiple second relay switches, and described second relay switch is electrical It is connected between described on-vehicle battery and described motor, for controlling the path between described on-vehicle battery and described motor Be turned on and off.
Further, described portable power source is removable installed in the body shell of described electric automobile, described mobile electricity Source includes charging inlet.
Another preferred embodiment of the present invention provides a kind of electric automobile, including dynamical system described above.
A kind of dynamical system provided in an embodiment of the present invention and electric automobile, this dynamical system is passed through single-chip microcomputer and is examined with electricity Survey device to be electrically connected with, to receive the dump energy that electric quantity detection apparatus detection obtains, judge this dump energy whether less than pre- If threshold value, generate control information when this dump energy is less than predetermined threshold value and send to manager, so that manager controls moving Dynamic power supply is charging on-vehicle battery, and controls on-vehicle battery to be motor.This system is passed through to design the vehicle-mounted electricity of electric automobile Pond interior layout mode and set up portable power source, so that portable power source is charged immediately to on-vehicle battery, is not limited by place System and latency requirement, improve automobile user using stroke and achieve N-free diet method charge.
For enabling the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate Appended accompanying drawing, is described in detail below.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment Figure is briefly described it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other related accompanying drawings.
A kind of structured flowchart of dynamical system that Fig. 1 provides for present pre-ferred embodiments.
Another kind of structured flowchart of the dynamical system that Fig. 2 provides for present pre-ferred embodiments.
The schematic diagram of the on-vehicle battery annexation that Fig. 3 provides for present pre-ferred embodiments.
The schematic diagram of the portable power source annexation that Fig. 4 provides for present pre-ferred embodiments.
The work block diagram controlling switching switch of the dynamical system that Fig. 5 provides for present pre-ferred embodiments.
The schematic diagram controlling switching switch of the dynamical system that Fig. 6 provides for present pre-ferred embodiments.
The operating diagram of the charge mode of the dynamical system that Fig. 7 provides for present pre-ferred embodiments.
Icon:100- dynamical system;110- portable power source;120- on-vehicle battery;130- manager;140- electric power detection fills Put;150- single-chip microcomputer;160- analog-digital converter;170- triode;180- inverter;190- vertoro.
Specific embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Ground description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Generally exist The assembly of the embodiment of the present invention described and illustrated in accompanying drawing can be arranged with various different configurations and design herein.Cause This, be not intended to limit claimed invention to the detailed description of the embodiments of the invention providing in the accompanying drawings below Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing The every other embodiment being obtained on the premise of going out creative work, broadly falls into the scope of protection of the invention.
It should be noted that:Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then do not need it to be defined further and explains in subsequent accompanying drawing.Meanwhile, the present invention's In description, unless otherwise clearly defined and limited, term " setting ", " connection " should be interpreted broadly, for example, it may be fixing Connect or be detachably connected, or be integrally connected;Can be to be mechanically connected or electrically connect;Can be direct It is connected it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.Ordinary skill for this area For personnel, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
At present, after most electric automobile singles are fully charged, it drives stroke between 150-300 kilometer.Under trickle charge state Its fully charged time is 3-6 hour, and its fully charged time under state of filling soon is 10-30 minute.And place of charging is solid Fixed, inconvenient.Additionally, the volume of on-vehicle battery is larger, weight reaches more than 200 kilograms, changes electric field institute facility and has high demands, personnel It is equipped with many, and after multiple replacing, affect the performance of electric automobile.By inquiry, above-mentioned factor has had a strong impact on the use of user Rate, has also had a strong impact on the purchase of potential user simultaneously and has used enthusiasm.Based on the problems referred to above, embodiments provide one Plant dynamical system, by designing electric automobile vehicle-mounted inside battery layout type and setting up portable power source, so that portable power source pair On-vehicle battery is charged immediately, is not limited and latency requirement by place, improves the use stroke of automobile user And achieve N-free diet method charging.
And, portable power source can set up electrical changing station to be changed.Portable power source adopts modularized design, the mobile electricity of single group Source module, about 30-40 jin, is equivalent to the power electricity consumption providing 30-40 kilometer, and the volume size of single group portable power source can be with Battery development becomes small and light, and capacity is bigger.Whole portable power source can require to be equipped with 3-4 group according to user, about provides 120 kilometers of power electricity consumptions, add the electricity that on-vehicle battery part provides, at least can provide 300 kilometers of electricity.And electrical changing station Space enrironment less demanding, staffing is few, infusion of financial resources less, change the manufacturer for electric automobile such as short of electric stand-by period Business opportunity and the user of electric automobile is brought to improve course continuation mileage and facilitate charging.
Refer to Fig. 1, be a kind of structured flowchart of dynamical system that present pre-ferred embodiments provide, described dynamical system 100 are applied to the electric automobile including motor.As shown in figure 1, described dynamical system 100 includes portable power source 110, vehicle mounted electric Pond 120, manager 130, electric quantity detection apparatus 140 and single-chip microcomputer 150.
Described on-vehicle battery 120 and described motor are electrically connected with, for providing electric energy for described motor.Described electricity Detection means 140 is electrically connected with described portable power source and 110 and on-vehicle battery 120, for detecting described portable power source 110 and the dump energy of described on-vehicle battery 120, and the dump energy that detection is obtained sends to described single-chip microcomputer 150.Described Single-chip microcomputer 150 is electrically connected with described electric quantity detection apparatus 140, for receiving what described electric quantity detection apparatus 140 detection obtained Dump energy, judges whether described dump energy is less than predetermined threshold value, generates control when described dump energy is less than predetermined threshold value Information processed simultaneously sends to described manager 130.Described manager 130 is electrically connected at described single-chip microcomputer 150 and described mobile electricity Between source 110, described single-chip microcomputer 150 and described on-vehicle battery 120, for receiving the control information that described single-chip microcomputer 150 sends, And control described portable power source 110 that described on-vehicle battery 120 is charged according to described control information, and control described on-vehicle battery 120 is described motor.
Alternatively, in the present embodiment, described on-vehicle battery 120 includes the battery pack (optimum is 3 groups) of multigroup parallel connection.Can Selection of land, the least one set battery pack in multigroup described battery pack is electrically connected with described motor, for carrying for described motor For electric energy.Described electric quantity detection apparatus 140 and each battery pack are electrically connected with, for detecting the dump energy of each battery pack.
Alternatively, in the present embodiment, can to carry out electric power detection to described battery pack using BQ2040.BQ2040 is one Plant conventional battery electric quantity detection chip, inside it, include temperature sensor.BQ2040 pass through built-in temperature sensor and The degree of discharge to estimate tested battery pack for the internal counter, and can also be needed to institute according to temperature while detection State battery pack and carry out temperature-compensating.In addition BQ2040 can be by the discharge cycle of tested battery pack, to calibrate described battery pack Actual capacity.It should be noted that in an embodiment, other devices can also be adopted to realize described battery pack is remained The detection of remaining electricity.
Described electric quantity detection apparatus 140 send the dump energy detecting the described battery pack obtaining to described single-chip microcomputer 150.After described single-chip microcomputer 150 receives the dump energy of described battery pack that described electric quantity detection apparatus 140 detection obtains, meeting The dump energy of this battery pack receiving is judged.Preset when described single-chip microcomputer 150 judges that described dump energy is less than During threshold value, a control instruction can be sent so that described manager 130 controls described portable power source 110 right to described manager 130 This battery pack is charged.
In practical application, when the electricity of described battery pack is too low, can be significantly to the charge efficiency of described motor Decline, and also the service life of described battery pack can be damaged.Alternatively, in the present embodiment, described predetermined threshold value is set to institute State battery pack electricity total capacity 25 percent, i.e. described single-chip microcomputer 150 judge this battery pack dump energy low When the 25 percent of its total capacity, then cut off the path between this battery pack and described motor, and switch another group Dump energy is higher than that the battery pack of 25 the percent of its total electricity is powered for described motor.And, described monolithic Machine 150 sends control information to described manager 130, so that described manager 130 controls described portable power source 110 to this residue The battery pack that electricity is less than 25 the percent of its electricity total capacity is charged.
Refer to Fig. 2, another kind of structured flowchart of the dynamical system providing for present pre-ferred embodiments.As shown in Fig. 2 Described dynamical system 100 also includes analog-digital converter 160, triode 170, inverter 180 and vertoro 190.
Described analog-digital converter 160 is electrically connected between described electric quantity detection apparatus 140 and described single-chip microcomputer 150.Institute State electric quantity detection apparatus 140 after the dump energy of described portable power source 110 and described on-vehicle battery 120 is detected, can will remain Remaining charge value is converted to electric signal and sends to described analog-digital converter 160.Described in described analog-digital converter 160 will receive The analog signal of residual electric quantity is converted to the data signal of described residual electric quantity and sends to described single-chip microcomputer 150.
Described triode 170 is electrically connected between described single-chip microcomputer 150 and described manager 130, for from described The control information of single-chip microcomputer 150 output is amplified and sends to described manager 130.
Described inverter 180 is electrically connected between described portable power source 110 and described on-vehicle battery 120, for will be from The direct current of described portable power source 110 output is that described on-vehicle battery 120 charges after being converted to alternating current.
Described vertoro 190 is electrically connected between described inverter 180 and described on-vehicle battery 120, for root According to the charging voltage of described on-vehicle battery 120, the alternating current exporting from described inverter 180 is carried out with Transformer Rectifier to process to carry The charge efficiency of high described on-vehicle battery 120.
In actual applications, the existing electric automobile required charging interval under trickle charge state is at least 5 hours, and it fills Electric current is 16A.The length in the charging interval of described battery pack can calculate in accordance with the following methods:Battery capacity is divided by the electricity that charges Stream.But in view of the kwh loss caused by factor such as heating in charging process, permissive waste scope 10% to 40% it Between.On the basis of theoretical cell capacity, therefore it is multiplied by coefficient 1.2 (or 1.1,1.3,1.4).Then it is estimated that charge Time:Charging interval (minute)=battery capacity * 1.2/ electric current (A) * 60.After electric automobile is fully charged, it drives stroke 150-300 kilometer can be reached.Taking using three Battery pack groups as a example illustrate, three Battery pack group institute energizing quantities can travel 260 Kilometer, then single battery group can provide the electric energy travelling more than 80 kilometers.If drive speed is about 100 kilometers/hour, Average drive speed is about 70-80 kilometer/hour, then the on-vehicle battery 120 including three Battery pack groups can be electric automobile Power supply about 3 hours.In order to ensure that every Battery pack group all has the sufficient charging interval, can be right by described vertoro 190 From described portable power source 110 export and the described alternating current after the inversion of described inverter 180 boosted described to shorten to The time that battery pack charges.
Alternatively, conventional boosting vertoro include high frequency boosting vertoro, DC boosting vertoro, AC boosting vertoro, dry type boosting vertoro and low frequency boosting vertoro etc..Alternatively, in the present embodiment In, it is described on-vehicle battery after being boosted using the alternating current that AC boosting vertoro exports to described inverter 180 120 chargings.AC boosting vertoro has small volume, lightweight, compact conformation, multiple functional, highly versatile and use The advantages of facilitate.Additionally, AC boosting vertoro also has good heat resistance, moisture resistance and stability etc..
Alternatively, in the present embodiment, described on-vehicle battery 120 adopts modularized design.Refer to Fig. 3, be the present invention The schematic diagram of the on-vehicle battery annexation that preferred embodiment provides.As shown in figure 3, taking three groups of battery pack in parallel as a example, institute State on-vehicle battery 120 and include three groups of battery pack being connected in parallel, every Battery pack group is in series by 11 groups of substring batteries, and its In, every group of substring battery includes three cells being connected in parallel.
Alternatively, in the present embodiment, described portable power source 110 is removable installed in the vehicle body basis of described electric automobile Body, described portable power source 110 includes the mobile battery group of multigroup parallel connection, and multigroup described mobile battery group is detachably connected.Make Used time, multigroup described mobile battery group may be combined and charges for described on-vehicle battery 120, also removable come be individually for described On-vehicle battery 120 charges.When mobile battery group described in single group breaks down and needs repairing, you can splitting comes individually is tieed up Repair, convenient, fast and maintainable height.
It should be noted that in actual applications it is contemplated that being conveniently replaceable portable power source 110, multigroup mobile electricity can be designed Pond group is respectively described on-vehicle battery 120 and charges.Refer to Fig. 4, connect for the portable power source that present pre-ferred embodiments provide The schematic diagram of relation.As shown in figure 4, to illustrate taking the portable power source 110 comprising three groups of mobile battery groups as a example.Described shifting Dynamic power supply 110 includes three groups of mobile battery groups in parallel, and every group of mobile battery group includes four groups of substring batteries being connected in series, and Every group of substring battery includes three monomer mobile batteries being connected in parallel.After the electricity of mobile battery group described in first group is finished Described first group of mobile battery group can be closed by described manager 130, and open mobile battery group described in second group be described On-vehicle battery 120 charges.After the electricity of mobile battery group described in second group is finished, close second by described manager 130 Organize described mobile battery group, and open mobile battery group described in the 3rd group and be charged for described on-vehicle battery 120.
In practical application, when electric automobile during traveling is to electrical changing station, can according to each group mobile battery group tool Body service condition changes described mobile battery group.Alternatively, in the present embodiment, described in each group, mobile battery group all includes charging Mouthful.During the free time driven by described electric automobile, it is possible to use have the place (office, restaurant and residence etc.) of commercial power interface Charge for described mobile battery group.Described portable power source 110 adopts modularized design, removably connects between each mobile battery group Connect, facilitate the user of electric automobile to change mobile battery group, and realize flexible, various charging modes, saved user Stand-by period.
Refer to Fig. 5, the work block diagram controlling switching switch of the dynamical system providing for present pre-ferred embodiments.As Shown in Fig. 5, described dynamical system 100 also includes multiple gate-controlled switches and multiple first relay switch, the plurality of controlled opens Pass is electrically connected between described portable power source 110 and described inverter 180.The plurality of first relay switch is electrically connected with Between described vertoro 190 and described on-vehicle battery 120, described gate-controlled switch and described first relay switch are used for Control being turned on and off of the path between described portable power source 110 and described on-vehicle battery 120.
Alternatively, described dynamical system 100 also includes multiple second relay switches, and described second relay switch is electrical It is connected between described on-vehicle battery 120 and described motor, for controlling between described on-vehicle battery 120 and described motor Being turned on and off of path.Refer to Fig. 6, the switching that controls of the dynamical system providing for present pre-ferred embodiments switchs Schematic diagram.
Refer to Fig. 7, the operating diagram of the charge mode of the dynamical system providing for present pre-ferred embodiments.As figure Shown in 7, when only 1 channel conductive, now, battery pack 1 is described motor, and battery pack 2 and battery pack 3 are in as ready Row state.When the dump energy that described single-chip microcomputer 150 judges the battery pack 1 that described electric quantity detection apparatus 140 detection obtains reaches Its total capacity 25 percent when, described second relay switch automatically disconnects 1 passage, and opens 2 passages.Now, electricity Pond group 2 starts to be powered for described motor.And, described single-chip microcomputer 150 controls described manager 130 to control described shifting Dynamic power supply 110 starts to charge to described battery pack 1.When described battery pack 2 is remaining using capacitance 25 percent, institute State the second relay switch and automatically disconnect 2 passages, and open 3 passages, now battery pack 3 starts to power.And, now described list Piece machine 150 sends control information to described manager 130 to control described portable power source 110 simultaneously to described battery pack 1 and institute State battery pack 2 to charge.When described battery pack 3 is remaining using capacitance 25 percent, described second relay switch Automatically disconnect 3 passages, and open 1 passage, now described battery pack 1 starts as described motor, simultaneously described mobile electricity Source 110 charges to described battery pack 2 and described battery pack 3.By that analogy, as long as described portable power source 110 electricity is sufficient, can be anti- Charge to described battery pack again.
It should be noted that in view of the power supplying efficiency of described on-vehicle battery 120, when the amount of batteries of described battery pack is total When between 20 five to percent the percent of capacity 85, the power supplying efficiency to described motor for the described on-vehicle battery 120 It is optimum.Therefore, when the electricity in described battery pack reaches 85 percent, described portable power source 110 stops Described battery pack is charged.
Present pre-ferred embodiments additionally provide a kind of electric automobile, and described electric automobile includes above-mentioned dynamical system 100.Described dynamical system 100 includes portable power source 110, on-vehicle battery 120, manager 130, electric quantity detection apparatus 140 and list Piece machine 150.
Described on-vehicle battery 120 and described motor are electrically connected with, for providing electric energy for described motor.Described electricity Detection means 140 is electrically connected with described portable power source 110 and described on-vehicle battery 120, for detecting described mobile electricity Source 110 and the dump energy of described on-vehicle battery 120, and the dump energy that obtains of detection is sent to described single-chip microcomputer 150.Institute State single-chip microcomputer 150 to be electrically connected with described electric quantity detection apparatus 140, obtain for receiving described electric quantity detection apparatus 140 detection Dump energy, judge that whether described dump energy is less than predetermined threshold value, generate when described dump energy is less than predetermined threshold value Control information simultaneously sends to described manager 130.Described manager 130 is electrically connected at described single-chip microcomputer 150 and described movement Between power supply 110, described single-chip microcomputer 150 and described on-vehicle battery 120, for receiving the control letter that described single-chip microcomputer 150 sends Breath, and control described portable power source 110 that described on-vehicle battery 120 is charged according to described control information, and control described vehicle-mounted Battery 120 is described motor.
Include the electric automobile of described dynamical system 100, its on-vehicle battery 120 enables discharge and recharge and is relatively isolated, together When work, solve the problems such as caloric value in repeated charge for the existing on-vehicle battery 120 is high, efficiency reduces.And, have Portable power source 110 comes for described on-vehicle battery 120 as back-up source, and described electric automobile increases on course continuation mileage, And it is convenient, quick to charge.
In sum, a kind of dynamical system 100 provided in an embodiment of the present invention and electric automobile, the meeting of described single-chip microcomputer 150 The described portable power source 110 that the detection of described electric quantity detection apparatus 140 is obtained and the remaining power of described on-vehicle battery 120 are carried out Judge.When described single-chip microcomputer 150 judges that described portable power source 110 and the dump energy of described on-vehicle battery 120 are preset less than one During threshold value, control information can be sent to control described portable power source 110 to enter for described on-vehicle battery 120 to described manager 130 Row charges, and controls described on-vehicle battery 120 to be described motor.By designing electric automobile vehicle-mounted inside battery layout Mode and set up described portable power source 110 and immediately charged so that filling in electric automobile during traveling for described on-vehicle battery 120 Electricity more flexibly, conveniently, improves the course continuation mileage of described electric automobile.
Further, described on-vehicle battery 120 achieves discharge and recharge and is relatively isolated, works simultaneously, solves existing vehicle-mounted The caloric value in repeated charge for the battery 120 is high, inefficiency the problems such as.
Further, described portable power source 110 and described on-vehicle battery 120 be all using modularized design, detachable can group Close, maintainable high.
Further, it is connected with boosting vertoro between described portable power source 110 and described on-vehicle battery 120, can Adjustment boosting multiple, to be applied to the on-vehicle battery 120 of various different parameters.
It should be noted that herein, term " inclusion ", "comprising" or its any other variant are intended to non-row The comprising of his property, so that including a series of process of key elements, method, article or equipment not only include those key elements, and And also include other key elements of being not expressly set out, or also include intrinsic for this process, method, article or equipment institute Key element.In the absence of more restrictions, the key element being limited by sentence "including a ..." is it is not excluded that including institute Also there is other identical element in process, method, article or the equipment of stating key element.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that:Similar label and letter exist Representing similar terms in figure below, therefore, once being defined in a certain Xiang Yi accompanying drawing, being then not required in subsequent accompanying drawing It is defined further and to be explained.

Claims (10)

1. a kind of dynamical system, is applied to the electric automobile including motor it is characterised in that described dynamical system includes moving Power supply, on-vehicle battery, manager, electric quantity detection apparatus and single-chip microcomputer;
Described on-vehicle battery is electrically connected with described motor, for providing electric energy for described motor;
Described electric quantity detection apparatus are electrically connected with described portable power source and described on-vehicle battery, for detecting described movement Power supply and the dump energy of described on-vehicle battery, and the dump energy that obtains of detection is sent to described single-chip microcomputer;
Described single-chip microcomputer is electrically connected with described electric quantity detection apparatus, detects that obtain remains for receiving described electric quantity detection apparatus Remaining electricity, judges whether described dump energy is less than predetermined threshold value, generates when described dump energy is less than predetermined threshold value and controls Information simultaneously sends to described manager;
Described manager be electrically connected at described single-chip microcomputer and described portable power source, described single-chip microcomputer and described on-vehicle battery it Between, for receiving the control information that described single-chip microcomputer sends, and described portable power source is controlled to described according to described control information Charging on-vehicle battery simultaneously controls described on-vehicle battery to be described motor.
2. dynamical system according to claim 1 is it is characterised in that described on-vehicle battery includes the battery of multigroup parallel connection Group, the least one set battery pack in multigroup described battery pack is electrically connected with described motor, for providing for described motor Electric energy;Described electric quantity detection apparatus are electrically connected with each battery pack, for detecting the dump energy of each battery pack;Described list When the dump energy that piece machine is used for drawing in the battery pack being electrically connected with described motor in judgement is less than predetermined threshold value, to institute State manager and send the control instruction that this battery pack is charged, and switch the battery pack that another group of dump energy is higher than predetermined threshold value There is provided electric energy for described motor.
3. dynamical system according to claim 1 is it is characterised in that described portable power source includes the mobile electricity of multigroup parallel connection Pond group, described multigroup mobile battery group is detachably connected.
4. dynamical system according to claim 1 is it is characterised in that described dynamical system also includes analog-digital converter and three Pole pipe;
Described analog-digital converter is electrically connected between described electric quantity detection apparatus and described single-chip microcomputer, for will be from described electricity The analog signal of the described dump energy of detection means output is converted to data signal and sends to described single-chip microcomputer;
Described triode is electrically connected between described single-chip microcomputer and described manager, for the control exporting from described single-chip microcomputer Information processed is amplified and sends to described manager.
5. dynamical system according to claim 1 is it is characterised in that described dynamical system also includes inverter, described inverse Become device to be electrically connected between described portable power source and described on-vehicle battery, for the direct current that will export from described portable power source It is described charging on-vehicle battery after being converted to alternating current.
6. dynamical system according to claim 5 is it is characterised in that described dynamical system also includes vertoro, institute State vertoro to be electrically connected between described inverter and described on-vehicle battery, for the charging according to described on-vehicle battery Voltage carries out Transformer Rectifier and processes to improve the charge efficiency of described on-vehicle battery to the alternating current exporting from described inverter.
7. dynamical system according to claim 6 it is characterised in that described dynamical system also include multiple gate-controlled switches and Multiple first relay switches, the plurality of gate-controlled switch is electrically connected between described portable power source and described inverter, institute State multiple first relay switches to be electrically connected between described vertoro and described on-vehicle battery, described gate-controlled switch and Described first relay switch is used for controlling being turned on and off of the path between described portable power source and described on-vehicle battery.
8. dynamical system according to claim 1 is it is characterised in that described dynamical system also includes multiple second relays Switch, described second relay switch is electrically connected between described on-vehicle battery and described motor, for controlling described car Carry being turned on and off of the path between battery and described motor.
9. dynamical system according to claim 1 is it is characterised in that described portable power source is removable installed in described electricity The body shell of electrical automobile, described portable power source includes charging inlet.
10. a kind of electric automobile is it is characterised in that include the dynamical system described in claim 1-9 any one.
CN201610982662.2A 2016-11-08 2016-11-08 Power system and electric automobile Pending CN106394299A (en)

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