CN103029593A - Power supply control method and device and power supply device of electric automobile power system - Google Patents

Power supply control method and device and power supply device of electric automobile power system Download PDF

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Publication number
CN103029593A
CN103029593A CN2012104371637A CN201210437163A CN103029593A CN 103029593 A CN103029593 A CN 103029593A CN 2012104371637 A CN2012104371637 A CN 2012104371637A CN 201210437163 A CN201210437163 A CN 201210437163A CN 103029593 A CN103029593 A CN 103029593A
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power
chopper circuit
subsidiary battery
power system
value
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CN103029593B (en
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张宏亮
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Erdos Huatai Automobile Body Co., Ltd.
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RONGCHENG HUATAI AUTOMOBILE CO Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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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Abstract

The invention provides a power supply control method and device and a power supply device of an electric automobile power system. The method comprises the following steps of: detecting a load condition value in a power supply device of an electric automobile and/or an electric quantity value of a subsidiary battery; comparing the load condition value and/or the electric quantity value of the subsidiary battery with a preset threshold value; and controlling a direct-current chopping circuit to be turned off or on according to a comparative result so as to stop or start a power storage battery and the subsidiary battery supplying power to the power system and stop or start the direct current chopping circuit charging the subsidiary battery. According to the power supply control scheme of the electric automobile power system provided by the invention, the direct current chopping circuit is flexibly turned off or on through monitoring the load condition and the electric quantity of the subsidiary battery, i.e., the power supply scheme is regulated, so that the use efficiency of the power storage battery is improved, and the driving range of the electric automobile is increased.

Description

The method for controlling power supply of power system of electric automobile and device and electric supply installation
Technical field
The present invention relates to the electronlmobil power supply technique, relate in particular to a kind of method for controlling power supply and device and electric supply installation of power system of electric automobile.
Background technology
Modern automobile is not only the indispensable vehicle of human society, and is a lot of people's daily necessities and the part of culture life.It is to the irreplaceable huge impetus of progressive generation of human society.But along with a large amount of productions of automobile be widely used, the huge number of world car recoverable amount, it has also brought many-sided Tough questions such as environment, the energy.Have data to show, automobile will surpass 200,000,000 tons of pernicious gases to discharging in the atmosphere every year, accounts for more than 60% of atmospheric contamination total amount, and the discharging of vehicle exhaust has become the source of pollution of current atmosphere maximum.In addition, the noise emission of automobile also serious threat human being's production, and the people is in for a long time noise and surpasses in the environment of safety rate the healthy infringement that will be subject in various degree.
Nowadays, in the situation that the environmental protection cry is more and more stronger, each large automobile vendor has dropped into one after another a large amount of manpower financial capacities and has developed oligosaprobic " green vehicle ", i.e. electronlmobil tries hard to make the automobile of oneself producing to reach or near " zero pollutes " standard.Also under the pressure of environmental problem, this development as the important feasible way that solves environmental pollution has given to support energetically to electronlmobil in national governments.In China, National 863 in the works, battery-driven car just has been listed in the special problem of great tackling key problem.
Up to now, the principal element that restricts whole battery-driven car industry development is power battery of electric motor car.From early 1990s, the countries such as Japan, the U.S., France, Germany have formulated corresponding Prospect of EVS Powered with Batteries development project one after another, the advanced battery association (USABC) that forms such as USDOE (DOE), state source appliance research institute and general, Chrysler, Ford Big Three will sign an agreement, 26,200,000,000 dollars of exploitations that are used for battery of electric vehicle of planned investment the end of the year 1991.
As shown in Figure 1, the electric supply installation of existing power system of electric automobile mainly comprises power accumulator 101, DC chopper circuit 102 and subsidiary battery 104, power accumulator 101 carries out DC converting by DC chopped-wave electric current 102, for power system of electric automobile 103 is powered.Subsidiary battery 104 is general for powering to other electrical equipments on the automobile, such as player, Cigarette lighter etc.Driving engine or power accumulator 101 can be subsidiary battery 104 chargings by DC chopper circuit 102.Because electric supply installation in use power accumulator 101 1 is power system of electric automobile 103 power supplies straight through DC chopper circuit 102, so that the energy consumption of power accumulator 101 is large, thereby causes the continual mileage of electronlmobil short.
Up to the present, still can't overcome the technical barriers such as specific energy, the specific power of electrokinetic cell be little, cause that automotive dead weight is large, the charging continual mileage is short, make the application of electronlmobil be subject to certain limitation.
Summary of the invention
The invention provides a kind of method for controlling power supply and device and electric supply installation of power system of electric automobile, in the situation that power storage battery energy is certain, reach the purpose that increases the electronlmobil continual mileage.
The embodiment of the invention provides a kind of method for controlling power supply of power system of electric automobile, comprising:
Loading condition value in the detection power supply device of electric automobile and/or the charge value of subsidiary battery;
Charge value and the predefined threshold value of described loading condition value and/or subsidiary battery are compared;
Turn-off or start described DC chopper circuit according to comparative result control, power to power system to stop or starting use power accumulator and subsidiary battery, and stop or starting described DC chopper circuit and charge to subsidiary battery.
The embodiment of the invention also provides a kind of power supply control apparatus of power system of electric automobile, comprising:
Parameter detection module is for detection of the loading condition value in the power supply device of electric automobile and/or the charge value of subsidiary battery;
The parameter comparison module is used for charge value and the predefined threshold value of described loading condition value and/or subsidiary battery are compared;
Switch control module, be used for controlling shutoff or starting described DC chopper circuit according to comparative result, use power accumulator and subsidiary battery to power to power system to stop or starting, and stop or starting described DC chopper circuit and charge to subsidiary battery.
The embodiment of the invention provides again a kind of electric supply installation of power system of electric automobile, comprises power accumulator, subsidiary battery and DC chopper circuit; Described power accumulator links to each other with the power system of electronlmobil by described DC chopper circuit, powers to described power system; Described DC chopper circuit links to each other with described subsidiary battery, is used for when starting to described subsidiary battery charging; Described subsidiary battery links to each other to power with described power system; Wherein, described electric supply installation also comprises the power supply control apparatus of power system of electric automobile provided by the present invention.
The power supply control scheme of power system of electric automobile of the present invention, electric weight by monitoring load state and subsidiary battery turn-offs, starts DC chopper circuit flexibly, namely adjust power supply plan, improved the service efficiency of power accumulator, so that the electronlmobil continual mileage improves.
Description of drawings
Fig. 1 is the structured flowchart of the electric supply installation of existing power system of electric automobile;
The diagram of circuit of the method for controlling power supply of the power system of electric automobile that Fig. 2 provides for the embodiment of the invention one;
The diagram of circuit of the method for controlling power supply of the power system of electric automobile that Fig. 3 provides for the embodiment of the invention two;
The diagram of circuit of the method for controlling power supply of the power system of electric automobile that Fig. 4 provides for the embodiment of the invention three;
The structural representation of the power supply control apparatus of the power system of electric automobile that Fig. 5 provides for the embodiment of the invention four;
The structural representation of the electric supply installation of the power system of electric automobile that Fig. 6 provides for the embodiment of the invention five.
The specific embodiment
Embodiment one
The diagram of circuit of the method for controlling power supply of the power system of electric automobile that Fig. 2 provides for the embodiment of the invention one, the method for controlling power supply of the present embodiment can be applied in the battery management system (BMS) of electronlmobil, can carry out by the controller that hardware and/or software form realize, electric supply installation is controlled.The electric supply installation of the power system of electric automobile that the present embodiment was suitable for can with reference to shown in Figure 1, comprise power accumulator 101, subsidiary battery 104 and DC chopper circuit 102; Power accumulator 101 links to each other with the power system 103 of electronlmobil by DC chopper circuit 102, powers to described power system 103; Described DC chopper circuit 102 links to each other with described subsidiary battery 104, is used for when starting to described subsidiary battery 104 chargings; Described subsidiary battery 104 links to each other to power with described power system 103.Above-mentioned electric supply installation can have multiple operating condition, and mainly the load of travelling according to automobile changes.The technical scheme that the present embodiment provides namely can effectively must adapt to load variations and adjusts power supply plan.
The method for controlling power supply of the present embodiment comprises the steps: as shown in Figure 2
Loading condition value in step 210, the controller detection power supply device of electric automobile and/or the charge value of subsidiary battery;
Step 220, controller compare charge value and the predefined threshold value of described loading condition value and/or subsidiary battery;
Step 230, controller are controlled shutoff or are started described DC chopper circuit according to comparative result, use power accumulator and subsidiary battery to power to power system to stop or starting, and stop or starting described DC chopper circuit and charge to subsidiary battery.
In the technical scheme of the present embodiment, can the loading condition value reflect the condition of loading of electronlmobil, and the charge value of subsidiary battery can reflect whether subsidiary battery needs charging, also is a kind of condition of loading.Can control shutoff or the startup of DC chopped-wave electric current by the variation of these condition of loading, thereby adjust charging scheme.When the control DC chopper is turn-offed, namely stopped the power supply approach of power accumulator to power system, also stopped the charging to subsidiary battery, only remaining subsidiary battery is powered to power system separately.This state is applicable to the less operating mode of load.When the control DC chopper starts, namely started the power supply of power accumulator to power system, also started the charging to subsidiary battery, can remedy the situation of subsidiary battery electric weight deficiency, be applicable to heavy load or the low operating mode of subsidiary battery electric weight.
The present embodiment is by above-mentioned mode, can control flexibly DC chopper, namely adjusted power supply plan, all the time the scheme of using power accumulator that car load is powered with respect to prior art, improved the degree of utilization of power accumulator, thereby under the certain prerequisite of power accumulator electric weight, prolonged continual mileage.Simultaneously, owing to make the horsepower input of DC chopper circuit controlled and reduce itself internal components energy waste of heat, and then realized the situation that electrokinetic cell is energy-conservation.
In the practical application, the charge value of loading condition value and subsidiary battery can specifically reflect by many kinds of parameters, and actual control program also has the multiple combination mode, preferably:
Described loading condition value can be the output current value of DC chopper circuit, then turn-off or start described DC chopper circuit according to comparative result control and comprise: when described comparative result is that the output current value of described DC chopper circuit is when being less than or equal to predefined current value, described DC chopper circuit is turn-offed in control, power to power system with the withdraw from use power accumulator, and power to power system by subsidiary battery.
The output current value of DC chopper circuit is load supplying and subsidiary battery charging current sum, so, when being low to moderate to a certain degree, the output current value of DC chopper circuit just reflected the operating mode that load is less.Technique scheme, can be by detecting the current value of DC chopper circuit, control its shutoff and so that subsidiary battery is independently-powered, thereby can be in the situation that the less withdraw from use power accumulator of load, take full advantage of the electric energy of subsidiary battery, can under the certain prerequisite of power accumulator electric weight, increase its continual mileage like this.
Controller can obtain the output current value of DC chopper circuit in several ways, for example can record by setting up sensor, if can know output current value in the existing device of electronlmobil, also can intercept this signaling and obtain, the present invention does not limit this.Controller can periodically obtain the output current value of DC chopped-wave electric current, has particularly produced the key signal and obtain afterwards after car engine.
In addition, the charge value of described subsidiary battery can be the magnitude of voltage of subsidiary battery, then turn-off or start described DC chopper circuit according to comparative result control and specifically comprise: when described comparative result is that the magnitude of voltage of described subsidiary battery is when being less than or equal to predefined magnitude of voltage, control starts described DC chopper circuit, use power accumulator to power to power system to start, and charge to subsidiary battery by described DC chopper circuit.
The detection of subsidiary battery magnitude of voltage and the startup of relatively controlling the DC chopped-wave electric current have been reflected the control of subsidiary battery electric weight to power supply plan.When the electric weight of subsidiary battery hanged down, namely magnitude of voltage was lower, and the DC chopper circuit that at this moment control is turn-offed starts, and the recovery power accumulator is to the power supply of power system, and recovery DC chopped-wave electric current is to the charging of subsidiary battery.Such scheme can avoid using for a long time subsidiary battery to cause the danger of power shortage damage.
The magnitude of voltage acquiring way of subsidiary battery also has multiple, and the present invention does not limit this.Can be to produce the key signal namely to detect after start a car the opportunity of obtaining of magnitude of voltage, also can restart the detection to the subsidiary battery magnitude of voltage after having carried out above-mentioned shutoff control.When described predefined magnitude of voltage is preferably described subsidiary battery full power state 2/3rds of magnitude of voltage, can in time be the subsidiary battery electric energy supplement.
To detection and the comparison of loading condition value, and to the detection of subsidiary battery with relatively can independently carry out, also can organically combine.Preferably detecting loading condition value in the power supply device of electric automobile and/or the charge value of subsidiary battery specifically comprises:
After the key signal that receives the electronlmobil startup, periodically detect the loading condition value in the power supply device of electric automobile.Namely after automobile starting, namely identify condition of loading, when load is low, can stop the power supply of power accumulator.
After recognizing described DC chopper circuit shutoff, periodically detect the charge value of subsidiary battery.This situation is adapted to monitor its electric weight when subsidiary battery works alone, charge in order to can in time start DC chopper circuit.
Embodiment two
The diagram of circuit of the method for controlling power supply of the power system of electric automobile that Fig. 3 provides for the embodiment of the invention two, the present embodiment is take technique scheme as the basis, further optimized control policy, namely above-mentionedly turn-offed or the operation that starts described DC chopper circuit specifically comprises the steps: according to comparative result control
Step 310, controller cycle obtain comparative result;
Periodically obtaining comparative result, can be periodically to obtain loading condition value or subsidiary battery charge value, also can be real-time report loading condition value or subsidiary battery charge value, periodically calculates comparative result, and its form is not limit.
Step 320, when controller is determined to wait to turn-off or wait to start described DC chopper circuit according to described comparative result, carry out timing;
Step 330, when controller is determined non-shutoff or the described DC chopper circuit of non-startup according to next comparative result, with the clocking value zero clearing;
Step 340, reach when setting the timing threshold value when monitoring described clocking value, turn-off or start described DC chopper circuit.
In the present embodiment, by the design clocking value, so that shutoff and the startup of DC chopped-wave electric current had a time-delay, avoid because sample circuit detects and breaks down and control frequently that DC chopper circuit is turn-offed or startup makes its damage.The span of described setting timing threshold value is 30-90 second, preferably can be set to 60 seconds.
Embodiment three
The diagram of circuit of the method for controlling power supply of the power system of electric automobile that Fig. 4 provides for the embodiment of the invention three, the present embodiment provides a preferred embodiment take above-described embodiment as the basis, comprises the steps:
Step 401, controller judge whether battery management system sends the key signal, if not, then return step 401, if then execution in step 402;
Whether step 402, controller judge the outgoing current of DC chopper circuit greater than setting value I1, if, then return step 402, if not, then execution in step 403;
If the outgoing current of step 403 DC chopper circuit is equal to or less than setting value I1, controller control DC chopper circuit is turn-offed.
For preventing using for a long time subsidiary battery to cause its power shortage to damage, therefore detect the voltage of subsidiary battery, close the actuation signal of having no progeny as DC chopper circuit.Namely further comprising the steps of:
Whether step 404, controller judge the magnitude of voltage of subsidiary battery greater than setting value U1, if, then return step 404, if not, then execution in step 405;
If the voltage of step 405 subsidiary battery is equal to or less than setting value U1, controller control DC chopper circuit starts, and then returns step 402.
For step 402, furthermore, when the output current value of described DC chopper circuit is equal to or less than setting value I1, controller begins timing, timing is controlled described DC chopper circuit after greater than setting value T1 again and is turn-offed, setting value T1 is between 30 seconds to 90 seconds, is preferably 60 seconds, frequently controls the DC chopper circuit shutoff to avoid sample circuit to break down DC chopper circuit is damaged.The output current value of described DC chopper circuit is that DC chopper circuit is to the electric current of vehicular electrical appliance power supply and the electric current sum of charging to subsidiary battery, when the output current value of DC chopper circuit during less than setting value I1, do not illustrate and charge to subsidiary battery, subsidiary battery is full of, and can disconnect DC chopper circuit.The scope of predefined current value I 1 can arrive 5A for 3A.For above-mentioned steps 405, when the voltage preset value U1 of subsidiary battery is preferably the subsidiary battery full power state 2/3rds of magnitude of voltage.
Method for controlling power supply of the present invention carries out ACTIVE CONTROL to DC chopper circuit, when car load is worked, output current value size by DC chopper circuit is used as Rule of judgment, the control DC chopper circuit is turn-offed, just start where necessary DC chopper circuit, thereby improve the energy service efficiency of power accumulator, and then improve the car load continual mileage.
Embodiment four
The structural representation of the power supply control apparatus of the power system of electric automobile that Fig. 5 provides for the embodiment of the invention four, this power supply control apparatus comprises: parameter detection module 510, parameter comparison module 520 and switch control module 530.Wherein, parameter detection module 510 is for detection of the loading condition value in the power supply device of electric automobile and/or the charge value of subsidiary battery; Parameter comparison module 520 is used for charge value and the predefined threshold value of described loading condition value and/or subsidiary battery are compared; Switch control module 530, be used for controlling shutoff or starting described DC chopper circuit according to comparative result, use power accumulator and subsidiary battery to power to power system to stop or starting, and stop or starting described DC chopper circuit and charge to subsidiary battery.
In the such scheme, described loading condition value is preferably the output current value of DC chopper circuit, then switch control module 530 specifically comprises: turn-off control unit 531, when being less than or equal to predefined current value for the output current value that when described comparative result is described DC chopper circuit, described DC chopper circuit is turn-offed in control, power to power system with the withdraw from use power accumulator, and power to power system by subsidiary battery.The charge value of described subsidiary battery is preferably the magnitude of voltage of subsidiary battery, then switch control module 530 also comprises: start control unit 532, when being less than or equal to predefined magnitude of voltage for the magnitude of voltage that when described comparative result is described subsidiary battery, control starts described DC chopper circuit, use power accumulator to power to power system to start, and charge to subsidiary battery by described DC chopper circuit.
The such scheme of the embodiment of the invention, by detecting the charge value of loading condition value and subsidiary battery, can control flexibly shutoff and the startup of DC chopper circuit, namely adjust power supply plan, avoid continuing to use power accumulator, thereby can under the certain prerequisite of power accumulator electric weight, prolong the continual mileage of car load.
In the such scheme, switch control module preferably can comprise: cycle acquiring unit, timing start unit, timing zero clearing unit and operation control unit.Wherein, the cycle acquiring unit is used for periodically obtaining comparative result; The timing start unit is used for carrying out timing when determining to wait to turn-off or wait to start described DC chopper circuit according to described comparative result; Timing zero clearing unit is used for when determining non-shutoff or the described DC chopper circuit of non-startup according to next comparative result, with the clocking value zero clearing; Operation control unit is used for when monitoring described clocking value and reach setting timing threshold value, turn-offs or starts described DC chopper circuit.
The power supply control apparatus of the power system of electric automobile that the embodiment of the invention provides can be carried out the flow process of the method for controlling power supply of power system of electric automobile of the present invention, possesses corresponding functional module.
Embodiment five
The structural representation of the electric supply installation of the power system of electric automobile that Fig. 6 provides for the embodiment of the invention five comprises power accumulator 601, subsidiary battery 604 and DC chopper circuit 602; Described power accumulator 601 links to each other with the power system 603 of electronlmobil by described DC chopper circuit 602, powers to described power system 603; Described DC chopper circuit 602 links to each other with described subsidiary battery 604, is used for when starting to described subsidiary battery 604 chargings; Described subsidiary battery 604 links to each other to power with described power system 603; Wherein, described electric supply installation also comprises the power supply control apparatus 605 of the power system of electric automobile that any embodiment of the present invention provides.
The technical scheme of various embodiments of the present invention, so that the energy of the unit weight of the power accumulator of electronlmobil or unit volume, it is specific energy, and specific power increases, prolonged the continual mileage of automobile, economy and durability, control simple in structure, easy for installation, automatic can be provided, effectively reduce the power system energy saver of energy-output ratio.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can be finished by the relevant hardware of programmed instruction.Aforesaid program can be stored in the computer read/write memory medium.Described program is carried out the step that comprises above-mentioned each embodiment of the method when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.

Claims (12)

1. the method for controlling power supply of a power system of electric automobile is characterized in that, comprising:
Loading condition value in the detection power supply device of electric automobile and/or the charge value of subsidiary battery;
Charge value and the predefined threshold value of described loading condition value and/or subsidiary battery are compared;
Turn-off or start described DC chopper circuit according to comparative result control, power to power system to stop or starting use power accumulator and subsidiary battery, and stop or starting described DC chopper circuit and charge to subsidiary battery.
2. the method for controlling power supply of power system of electric automobile according to claim 1, described loading condition value is the output current value of DC chopper circuit, then control is turn-offed or is started described DC chopper circuit and comprises according to comparative result:
When described comparative result is that the output current value of described DC chopper circuit is when being less than or equal to predefined current value, described DC chopper circuit is turn-offed in control, power to power system with the withdraw from use power accumulator, and power to power system by subsidiary battery.
3. the method for controlling power supply of power system of electric automobile according to claim 1 and 2 is characterized in that, the charge value of described subsidiary battery is the magnitude of voltage of subsidiary battery, then controls to turn-off or start described DC chopper circuit according to comparative result to comprise:
When described comparative result is that the magnitude of voltage of described subsidiary battery is when being less than or equal to predefined magnitude of voltage, control starts described DC chopper circuit, use power accumulator to power to power system to start, and charge to subsidiary battery by described DC chopper circuit.
4. the method for controlling power supply of power system of electric automobile according to claim 3, it is characterized in that: described predefined current value is that 3A is to 5A; When described predefined magnitude of voltage is described subsidiary battery full power state 2/3rds of magnitude of voltage.
5. the method for controlling power supply of power system of electric automobile according to claim 1 is characterized in that, control is turn-offed or started described DC chopper circuit and comprises according to comparative result:
Periodically obtain comparative result;
When determining to wait to turn-off or wait to start described DC chopper circuit according to described comparative result, carry out timing;
When determining non-shutoff or the described DC chopper circuit of non-startup according to next comparative result, with the clocking value zero clearing;
Reach when setting the timing threshold value when monitoring described clocking value, turn-off or start described DC chopper circuit.
6. the method for controlling power supply of power system of electric automobile according to claim 5, it is characterized in that: the span of described setting timing threshold value is 30-90 second.
7. the method for controlling power supply of power system of electric automobile according to claim 1 is characterized in that: detect loading condition value in the power supply device of electric automobile and/or the charge value of subsidiary battery and comprise:
After the key signal that receives the electronlmobil startup, periodically detect the loading condition value in the power supply device of electric automobile;
After recognizing described DC chopper circuit shutoff, periodically detect the charge value of subsidiary battery.
8. the power supply control apparatus of a power system of electric automobile is characterized in that, comprising:
Parameter detection module is for detection of the loading condition value in the power supply device of electric automobile and/or the charge value of subsidiary battery;
The parameter comparison module is used for charge value and the predefined threshold value of described loading condition value and/or subsidiary battery are compared;
Switch control module, be used for controlling shutoff or starting described DC chopper circuit according to comparative result, use power accumulator and subsidiary battery to power to power system to stop or starting, and stop or starting described DC chopper circuit and charge to subsidiary battery.
9. the power supply control apparatus of power system of electric automobile according to claim 8, described loading condition value is the output current value of DC chopper circuit, then switch control module comprises:
Turn-off control unit, when being less than or equal to predefined current value for the output current value that when described comparative result is described DC chopper circuit, described DC chopper circuit is turn-offed in control, power to power system with the withdraw from use power accumulator, and power to power system by subsidiary battery.
10. according to claim 8 or the power supply control apparatus of 9 described power system of electric automobile, it is characterized in that, the charge value of described subsidiary battery is the magnitude of voltage of subsidiary battery, and then switch control module also comprises:
Start control unit, when being less than or equal to predefined magnitude of voltage for the magnitude of voltage that when described comparative result is described subsidiary battery, control starts described DC chopper circuit, use power accumulator to power to power system to start, and charge to subsidiary battery by described DC chopper circuit.
11. the power supply control apparatus of power system of electric automobile according to claim 10 is characterized in that, described switch control module comprises:
The cycle acquiring unit is used for periodically obtaining comparative result;
The timing start unit is used for carrying out timing when determining to wait to turn-off or wait to start described DC chopper circuit according to described comparative result;
Timing zero clearing unit is used for when determining non-shutoff or the described DC chopper circuit of non-startup according to next comparative result, with the clocking value zero clearing;
Operation control unit is used for when monitoring described clocking value and reach setting timing threshold value, turn-offs or starts described DC chopper circuit.
12. the electric supply installation of a power system of electric automobile comprises power accumulator, subsidiary battery and DC chopper circuit; Described power accumulator links to each other with the power system of electronlmobil by described DC chopper circuit, powers to described power system; Described DC chopper circuit links to each other with described subsidiary battery, is used for when starting to described subsidiary battery charging; Described subsidiary battery links to each other to power with described power system; It is characterized in that, described electric supply installation also comprises the power supply control apparatus of the arbitrary described power system of electric automobile of claim 8-11.
CN201210437163.7A 2012-11-05 2012-11-05 The method for controlling power supply of power system of electric automobile and device and electric supply installation Expired - Fee Related CN103029593B (en)

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CN105827004A (en) * 2016-05-11 2016-08-03 北京智新宏业科技有限公司 Charging pile for electric car
CN106004488A (en) * 2016-06-01 2016-10-12 北京车和家信息技术有限责任公司 Power supply system, vehicle and method and device for controlling power supply system of vehicle
CN106004446A (en) * 2016-05-31 2016-10-12 北京现代汽车有限公司 Charge control method and system for low-voltage storage battery of electric automobile, and vehicle control unit
CN108001277A (en) * 2017-12-13 2018-05-08 奇瑞汽车股份有限公司 Electric vehicle storage battery power supplementing system and method
CN113733975A (en) * 2020-05-29 2021-12-03 广州汽车集团股份有限公司 Storage battery charging control method and system
US20220242275A1 (en) * 2021-02-04 2022-08-04 Volvo Truck Corporation Electromobility system for a vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437876A1 (en) * 1993-10-30 1995-05-04 Volkswagen Ag Method for operating the electrical power supply in an electric vehicle
US20060058897A1 (en) * 2004-08-24 2006-03-16 Denso Corporation On-vehicle power supplying apparatus with two power supplies
CN102036849A (en) * 2008-02-26 2011-04-27 Afs三一电力公司 System and method for dual energy storage management
JP2012075241A (en) * 2010-09-28 2012-04-12 Honda Motor Co Ltd Controller for electric vehicles
CN102549877A (en) * 2009-11-11 2012-07-04 美商源捷有限公司 Interlock mechanism for a multiple battery pack
CN102570511A (en) * 2010-12-07 2012-07-11 台湾动能系统股份有限公司 Double battery power supply system and control method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437876A1 (en) * 1993-10-30 1995-05-04 Volkswagen Ag Method for operating the electrical power supply in an electric vehicle
US20060058897A1 (en) * 2004-08-24 2006-03-16 Denso Corporation On-vehicle power supplying apparatus with two power supplies
KR101139022B1 (en) * 2004-08-24 2012-04-26 가부시키가이샤 덴소 On-vehicle power supplying apparatus with two power supplies
CN102036849A (en) * 2008-02-26 2011-04-27 Afs三一电力公司 System and method for dual energy storage management
CN102549877A (en) * 2009-11-11 2012-07-04 美商源捷有限公司 Interlock mechanism for a multiple battery pack
JP2012075241A (en) * 2010-09-28 2012-04-12 Honda Motor Co Ltd Controller for electric vehicles
CN102570511A (en) * 2010-12-07 2012-07-11 台湾动能系统股份有限公司 Double battery power supply system and control method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103679844A (en) * 2013-10-08 2014-03-26 天瀚科技(吴江)有限公司 Intelligent-control automobile data recorder and control method thereof
CN105827004A (en) * 2016-05-11 2016-08-03 北京智新宏业科技有限公司 Charging pile for electric car
CN105827004B (en) * 2016-05-11 2019-03-26 北京充电安科技有限公司 Electric automobile charging pile
CN106004446A (en) * 2016-05-31 2016-10-12 北京现代汽车有限公司 Charge control method and system for low-voltage storage battery of electric automobile, and vehicle control unit
CN106004488A (en) * 2016-06-01 2016-10-12 北京车和家信息技术有限责任公司 Power supply system, vehicle and method and device for controlling power supply system of vehicle
CN106004488B (en) * 2016-06-01 2019-04-16 北京车和家信息技术有限公司 The method and apparatus of power-supply system, vehicle and the power-supply system for controlling vehicle
CN108001277A (en) * 2017-12-13 2018-05-08 奇瑞汽车股份有限公司 Electric vehicle storage battery power supplementing system and method
CN113733975A (en) * 2020-05-29 2021-12-03 广州汽车集团股份有限公司 Storage battery charging control method and system
US20220242275A1 (en) * 2021-02-04 2022-08-04 Volvo Truck Corporation Electromobility system for a vehicle
US11667213B2 (en) * 2021-02-04 2023-06-06 Volvo Truck Corporation Electromobility system for a vehicle

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