CN102303538B - Method and device for displaying residual driving range of electromobile - Google Patents
Method and device for displaying residual driving range of electromobile Download PDFInfo
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- CN102303538B CN102303538B CN201110138885.8A CN201110138885A CN102303538B CN 102303538 B CN102303538 B CN 102303538B CN 201110138885 A CN201110138885 A CN 201110138885A CN 102303538 B CN102303538 B CN 102303538B
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- continual mileage
- vehicle velocity
- residue continual
- electric vehicles
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- 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
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Abstract
本发明公开了一种电动汽车剩余续驶里程的显示方法及装置，属于电动汽车控制领域。所述方法包括：电动汽车控制单元获取动力电池的状态值；所述电动汽车控制单元根据公式计算剩余续驶里程S，其中，V为车速，A为所述动力电池的容量，i为在所述车速V下所述动力电池的放电电流；所述电动汽车控制单元将所述剩余续驶里程S传送给显示仪表；所述显示仪表显示所述剩余续驶里程S。本发明通过将典型车速及电池的状态等相结合计算出在典型车速下汽车的剩余续驶里程并通过显示仪表显示该剩余续驶里程，从而使驾驶员能够得知汽车大概还能行驶的距离。
The invention discloses a method and a device for displaying the remaining mileage of an electric vehicle, belonging to the field of electric vehicle control. The method includes: the electric vehicle control unit obtains the state value of the power battery; the electric vehicle control unit according to the formula Calculate the remaining mileage S, wherein, V is the vehicle speed, A is the capacity of the power battery, and i is the discharge current of the power battery at the vehicle speed V; the electric vehicle control unit calculates the remaining mileage The mileage S is transmitted to the display instrument; the display instrument displays the remaining driving mileage S. The invention calculates the remaining mileage of the car at the typical speed by combining the typical vehicle speed and the state of the battery, and displays the remaining mileage through the display instrument, so that the driver can know the approximate driving distance of the car .
Description
Technical field
The present invention relates to Control of Electric Vehicles field, particularly calculating and the display mode of a kind of Control of Electric Vehicles unit to residue continual mileage.
Background technology
Energy shock and ecological deterioration in recent years become the key factor of restriction global evolution, and the development and utilization of clean energy resource is the powerful measure that solves energy shock and improve environment.Rechargeable battery, as a kind of important clean energy resource, is used as power source in a lot of fields.
Electronlmobil is exactly a kind of vehicle as power source with rechargeable battery.Electronlmobil, because of its superior energy-conserving and environment-protective performance, becomes the main object of auto trade research and development in recent years.
Realizing in process of the present invention, contriver finds that prior art at least exists following problem: electronlmobil is owing to being subject to the impact of battery technology, to comparatively difficulty of the prediction of electronlmobil continual mileage, thereby make chaufeur cannot learn the automobile distance how far of can also travelling.
Summary of the invention
The object of the embodiment of the present invention is the defect for above-mentioned prior art, a kind of display method and device of residual driving range of electromobile are provided, by the state of the typical speed of a motor vehicle and battery etc. is combined and calculates the residue continual mileage of automobile under the typical speed of a motor vehicle and show this residue continual mileage by display instrument, thereby make chaufeur can learn the distance that automobile probably can also travel.
The technical scheme that the present invention takes is to achieve these goals:
A display method for residual driving range of electromobile, described method specifically comprises:
Control of Electric Vehicles unit obtains the state value of electrokinetic cell;
Described Control of Electric Vehicles unit calculates residue continual mileage S according to following formula:
Described Control of Electric Vehicles unit sends described residue continual mileage S to display instrument;
Described display instrument shows described residue continual mileage S.
Particularly, the state value of described electrokinetic cell is specially state-of-charge SOC and state of health SOH.
Described vehicle velocity V is the typical vehicle velocity V of city operating mode
1, described discharge current i is described vehicle velocity V
1under discharge current i
1, now remaining continual mileage is S
1.
Described vehicle velocity V is the typical vehicle velocity V of suburb operating mode
2, described discharge current i is described vehicle velocity V
2under discharge current i
2, now remaining continual mileage is S
2.
Described Control of Electric Vehicles unit calculates residue continual mileage S according to following formula, is specially described Control of Electric Vehicles unit and calculates respectively described residue continual mileage S according to described formula
1and described residue continual mileage S
2.
Described display instrument shows described residue continual mileage S, is specially, and described display instrument shows respectively described residue continual mileage S
1and described residue continual mileage S
2.
Another technical scheme provided by the invention is:
A read out instrument for residual driving range of electromobile, described device specifically comprises:
For obtaining the state value of electrokinetic cell, calculate and transmit the Control of Electric Vehicles unit of residue continual mileage S, the mouth of described Control of Electric Vehicles unit is connected with display instrument, and described display instrument is used for showing described residue continual mileage S.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by the state of the typical speed of a motor vehicle and battery etc. is combined and calculates the residue continual mileage of automobile under the typical speed of a motor vehicle and this residue continual mileage is shown by display instrument, thereby make chaufeur can learn the distance that automobile probably can also travel, facilitate chaufeur to charge to rechargeable battery simultaneously.
Accompanying drawing explanation
Fig. 1 is the display method diagram of circuit of a kind of residual driving range of electromobile of providing in the embodiment of the present invention 1;
Fig. 2 is the display method logical diagram of a kind of residual driving range of electromobile of providing in the embodiment of the present invention 2.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
Referring to Fig. 1, the embodiment of the present invention provides a kind of display method of residual driving range of electromobile, and described display method specifically comprises:
Control of Electric Vehicles unit obtains the state value of electrokinetic cell;
Described Control of Electric Vehicles unit calculates residue continual mileage S according to following formula:
Described Control of Electric Vehicles unit sends described residue continual mileage S to display instrument;
Described display instrument shows described residue continual mileage S.
The display method of a kind of residual driving range of electromobile that the embodiment of the present invention provides, obtain the state value of current electrokinetic cell by Control of Electric Vehicles unit, calculate dump energy according to the capacity of the state value of current battery and electrokinetic cell, calculate according to the discharge current under described vehicle velocity V the time that described dump energy can travel again, calculate described residue continual mileage according to S=V*t, the wherein said speed of a motor vehicle can be set as required, both can be this electronlmobil general road conditions average ground speed, also can be the conventional speed of a motor vehicle under conventional operating mode, the embodiment of the present invention is not specifically limited vehicle velocity V.Control of Electric Vehicles unit sends residue continual mileage S after display instrument to, shows S numerical value by display instrument.The display method of the residual driving range of electromobile that the embodiment of the present invention provides is by combining the state of the typical speed of a motor vehicle and battery etc. to calculate the residue continual mileage of automobile under the typical speed of a motor vehicle and show this residue continual mileage by display instrument, thereby make chaufeur can learn the distance that automobile probably can also travel, facilitate chaufeur to charge to rechargeable battery in time.
Particularly, the state value of described electrokinetic cell is specially state-of-charge SOC and state of health SOH.
State-of-charge SOC and state of health SOH are the topmost parameters of weighing battery operated state, by determining that state-of-charge SOC and state of health SOH can determine the state of described electrokinetic cell more accurately, thereby make the described residue continual mileage that calculates gained more approach actual value.
Embodiment 2
The embodiment of the present invention is on the basis of embodiment 1, in order to allow driver can understand the residue continual mileage under different operating modes, obtain and remain more accurately continual mileage reference standard, select two kinds of typical operating modes, respectively residue continual mileage is predicted, specific as follows:
Described vehicle velocity V is the typical vehicle velocity V of city operating mode
1, described discharge current i is described vehicle velocity V
1under discharge current i
1, now remaining continual mileage is S
1; Described vehicle velocity V is the typical vehicle velocity V of suburb operating mode
2, described discharge current i is described vehicle velocity V
2under discharge current i
2, now remaining continual mileage is S
2.Described typical vehicle velocity V
1and V
2generally be taken at the average ground speed under the operating mode of city, for example 35km/h, and average ground speed under the operating mode of suburb, for example 65km/h, the embodiment of the present invention is not specifically limited the described typical speed of a motor vehicle.Described typical vehicle velocity V
1and V
2described discharge current i after determining
1and i
2test and determine by real vehicle.
Described Control of Electric Vehicles unit calculates respectively described residue continual mileage S according to described formula
1and described residue continual mileage S
2, described display instrument shows respectively described residue continual mileage S
1and described residue continual mileage S
2.
The power resources of electronlmobil are power accumulator, the length of residue continual mileage is by speed of operation, situation opened by electrical equipment and dump energy determines, the embodiment of the present invention is chosen respectively a typical speed of a motor vehicle according to the speed of a motor vehicle characteristic distributions of city operating mode and suburb operating mode and is calculated constant speed residue continual mileage, described residue continual mileage makes chaufeur have criterion more accurately, can be according to the concrete driving cycle of automobile and to the next rational regulation speed of Distance Remaining of destination and the unlatching situation of electrical equipment, facilitate chaufeur to charge to rechargeable battery to the applicable battery-charging station of distance in time simultaneously.
Embodiment 3
The embodiment of the present invention provides a kind of read out instrument of residual driving range of electromobile, and described device specifically comprises Control of Electric Vehicles unit and display instrument, and the mouth of described Control of Electric Vehicles unit is connected with display instrument,
Described Control of Electric Vehicles unit, for obtaining the state value of electrokinetic cell, calculates and transmits residue continual mileage S, and described display instrument is used for showing described residue continual mileage S.
All or part of content in the technical scheme that above embodiment provides can realize by software programming, and its software program is stored in the storage medium can read, storage medium for example: hard disk, CD or floppy disk in computing machine.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (5)
1. a display method for residual driving range of electromobile, is characterized in that, described method specifically comprises:
The state value that Control of Electric Vehicles unit obtains electrokinetic cell is state-of-charge SOC and state of health SOH;
Described Control of Electric Vehicles unit calculates residue continual mileage S according to following formula:
Described Control of Electric Vehicles unit sends described residue continual mileage S to display instrument;
Described display instrument shows described residue continual mileage S.
2. the display method of residual driving range of electromobile according to claim 1, is characterized in that, described vehicle velocity V is the typical vehicle velocity V of city operating mode
1, described discharge current i is described vehicle velocity V
1under discharge current i
1, now remaining continual mileage is S
1.
3. the display method of residual driving range of electromobile according to claim 2, is characterized in that, described vehicle velocity V is the typical vehicle velocity V of suburb operating mode
2, described discharge current i is described vehicle velocity V
2under discharge current i
2, now remaining continual mileage is S
2.
4. the display method of residual driving range of electromobile according to claim 3, it is characterized in that, described Control of Electric Vehicles unit calculates residue continual mileage S according to following formula, is specially described Control of Electric Vehicles unit and calculates respectively residue continual mileage S according to described formula
1and described residue continual mileage S
2.
5. the display method of residual driving range of electromobile according to claim 3, is characterized in that, described display instrument shows described residue continual mileage S, is specially, and described display instrument shows respectively residue continual mileage S
1and described residue continual mileage S
2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110138885.8A CN102303538B (en) | 2011-05-26 | 2011-05-26 | Method and device for displaying residual driving range of electromobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110138885.8A CN102303538B (en) | 2011-05-26 | 2011-05-26 | Method and device for displaying residual driving range of electromobile |
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| CN102303538A CN102303538A (en) | 2012-01-04 |
| CN102303538B true CN102303538B (en) | 2014-07-02 |
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| CN201110138885.8A Expired - Fee Related CN102303538B (en) | 2011-05-26 | 2011-05-26 | Method and device for displaying residual driving range of electromobile |
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| US8803678B2 (en) * | 2012-11-27 | 2014-08-12 | GM Global Technology Operations LLC | Vehicle range projection for multiple drivers of a shared vehicle |
| CN104062588B (en) * | 2013-03-18 | 2017-06-23 | 日电（中国）有限公司 | Apparatus and method for estimating the dump energy of electric automobile |
| CN104442817B (en) * | 2013-09-12 | 2017-04-19 | 上海汽车集团股份有限公司 | Method and device for displaying remainder driving ranges of hybrid electric vehicles |
| KR102283958B1 (en) * | 2014-04-07 | 2021-07-30 | 삼성에스디아이 주식회사 | System and method of controling driving for electric vehicle |
| CN109245197A (en) * | 2014-05-28 | 2019-01-18 | 韦秀方 | Battery group working method and battery group |
| CN103995234A (en) * | 2014-06-02 | 2014-08-20 | 耿直 | Method for monitoring residual discharge time and running distance of boosting type storage battery set |
| CN106143360B (en) * | 2015-04-20 | 2018-12-21 | 比亚迪股份有限公司 | Electric car and its continual mileage calculation method |
| CN104802660A (en) * | 2015-05-05 | 2015-07-29 | 台州赛盈电机科技有限公司 | Method for displaying remainder range in full-automatic electric vehicle driving system |
| CN105291845A (en) * | 2015-11-13 | 2016-02-03 | 华晨汽车集团控股有限公司 | System for monitoring dynamic energy consumption and driving range of electric automobile |
| CN105946605B (en) * | 2016-05-04 | 2018-05-25 | 重庆长安汽车股份有限公司 | A kind of electric vehicle, power battery electric quantity managing method and management system |
| CN105946610B (en) * | 2016-05-23 | 2018-06-15 | 重庆长安汽车股份有限公司 | A kind of detection method and system of automobile power cell assembly |
| CN106427579B (en) * | 2016-07-25 | 2018-10-02 | 意昂神州（北京）科技有限公司 | Pure electric automobile continual mileage evaluation method and device based on average energy consumption modeling |
| CN106114233A (en) * | 2016-08-15 | 2016-11-16 | 江苏大学 | A kind of pure electric automobile remaining mileage evaluation method |
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| CN110015132A (en) * | 2017-09-12 | 2019-07-16 | 北京奔驰汽车有限公司 | A method for calculating the remaining driving range of pure electric vehicles |
| JP6597752B2 (en) * | 2017-11-01 | 2019-10-30 | マツダ株式会社 | Vehicle display device |
| WO2019113828A1 (en) * | 2017-12-13 | 2019-06-20 | 深圳配天智能技术研究院有限公司 | Method and apparatus for estimating remaining mileage of pure electric vehicle |
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| CN111402582B (en) * | 2020-03-12 | 2021-05-25 | 东南大学 | Control method for electric automobile to borrow lane special for automatic driving in intelligent network connection environment |
| WO2022021062A1 (en) * | 2020-07-28 | 2022-02-03 | 华为技术有限公司 | Remaining range prediction method and battery remote service system |
| CN113352938B (en) * | 2020-07-31 | 2022-05-31 | 重庆长安新能源汽车科技有限公司 | Method and system for determining double remaining mileage of pure electric vehicle and pure electric vehicle |
| CN112706617A (en) * | 2021-01-13 | 2021-04-27 | 奇瑞新能源汽车股份有限公司 | Method for displaying endurance mileage of electric automobile |
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