JPH0731008A - Power supply controller for electric automobile - Google Patents

Power supply controller for electric automobile

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Publication number
JPH0731008A
JPH0731008A JP19191293A JP19191293A JPH0731008A JP H0731008 A JPH0731008 A JP H0731008A JP 19191293 A JP19191293 A JP 19191293A JP 19191293 A JP19191293 A JP 19191293A JP H0731008 A JPH0731008 A JP H0731008A
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JP
Japan
Prior art keywords
power
electric
running
battery
remaining
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP19191293A
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Japanese (ja)
Inventor
Tetsuaki Kawada
Masahiro Tomiyama
雅弘 富山
哲明 河田
Original Assignee
Toyota Motor Corp
トヨタ自動車株式会社
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Application filed by Toyota Motor Corp, トヨタ自動車株式会社 filed Critical Toyota Motor Corp
Priority to JP19191293A priority Critical patent/JPH0731008A/en
Publication of JPH0731008A publication Critical patent/JPH0731008A/en
Application status is Pending legal-status Critical

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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 for electromobility
    • Y02T10/7005Batteries

Abstract

PURPOSE:To allow final running over a total target running distance determined by the full charge capacity of battery regardless of the running conditions of electric vehicle. CONSTITUTION:The power supply controller for electric automobile comprises a first electric facility E1 essential to running and a second electric facility E2 not essential to running. A detector M1 detects the residual power of a battery B, a detector M2 detects the total distance being run actually by the electric automobile after the battery is fully charged, and a detector M3 operates a residual running distance (=a target running distance-the actual total running distance) A unit M4 estimates power consumed by a running motor DM and the first and second electric facilities before the automobile runs through the residual running distance. When the estimated power consumption is higher than the residual power, a unit M5 inhibits power supply to the second electric facility.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は、走行用モータ及び種々の電装設備を有する電気自動車に係り、更に詳細には電気自動車の電力供給制御装置に係る。 The present invention relates to relates to an electric vehicle having a traction motor and various electrical equipment, according to the power supply control apparatus for an electric vehicle more.

【0002】 [0002]

【従来の技術】電気自動車の一つとして、例えば特開昭64−12802号公報に記載されている如く、電源バッテリと、バッテリより電力が供給される走行用モータと、バッテリの電力残量が所定の許容値に低下したことを検出する電力残量低下検出手段と、自動車の行先を指定する行先指定手段とを有し、電力残量低下検出手段よりの信号に基づき自動車の行先を行先指定手段により指示された行先へ変更するよう構成された電気自動車が従来より知られている。 One of the Related Art electric vehicles, for example as disclosed in JP-64-12802 discloses a power supply battery, a traction motor to which electric power is supplied from the battery, the amount of power left in the battery a remaining power decrease detecting means for detecting that it has reduced to a predetermined tolerance value, and a destination designating means for designating a destination of the motor vehicle, designated destination the destination of the car based on a signal from the residual power drop detection means electric vehicles has been known which is configured to change to a destination designated by means.

【0003】かかる電気自動車によれば、バッテリの電力残量が所定の許容値に低下するとそのことが電力残量低下検出手段により検出され、自動車の行先が行先指定手段により指示された行先へ変更されるので、バッテリの電力消耗により自動車が走行途中に於て走行不能になることを確実に防止することができる。 [0003] According to the electric vehicle, when the remaining power of the battery is reduced to a predetermined allowable value that the is detected by the remaining power decrease detecting means, changes to a destination where the destination of the car is instructed by the destination designating means since the can car by the power consumption of the battery is reliably prevented from becoming impossible travel at a running route.

【0004】 [0004]

【発明が解決しようとする課題】しかし上述の如き従来の電気自動車に於ては、バッテリの電力残量が所定の許容値に低下すると、自動車の行先が自動車の乗員の意志に拘らず行先指定手段により指示された行先へ変更されてしまうので、乗員が行きたい目的地へ到達することができない事態が生じるという問題がある。 Te is at the But conventional electric vehicle described above, such as THE INVENTION Problems to Solved], the remaining power of the battery is reduced to a predetermined allowable value, designated destination destination vehicle regardless occupant will of automobiles since the result has been changed to a destination that has been designated by the means, there is a problem in that situation that can not be reached to the destination you want to go occupant occurs.

【0005】本発明は、上述の如き従来の電気自動車に於ける叙上の如き問題に鑑み、自動車が如何なる状態にて走行しても最終的には必ずバッテリのフル充電により定まる目標総走行距離の走行が可能であり、これにより乗員が目標総走行距離と実総走行距離との差、即ち残存走行距離より行きたい目的地へ到達し得るか否かを正確に判定することができるよう改良された電気自動車を提供することを目的としている。 [0005] The present invention has been made in view of the problems such as over in ordination with the conventional electric vehicle such as described above, vehicle target total distance determined by full charge without fail eventually be running at any state battery are possible running, thereby improving so capable occupant difference between the target total distance and the actual total distance, i.e. to accurately determine whether may reach the destination Families from remaining travel distance and its object is to provide an electric vehicle that is.

【0006】 [0006]

【課題を解決するための手段】上述の如き目的は、本発明によれば、図1に示されている如く、走行用モータD Above such object, according to an aspect of, according to the present invention, as represented in FIG. 1, the running motor D
Mと、走行上必須の第一の電装設備E1と、走行上必須ではない第二の電装設備E2と、これらに電力を供給する電源バッテリBとを有する電気自動車の電力供給制御装置にして、前記バッテリの電力残量を検出する電力残量検出手段M1と、前記バッテリがフル充電された時点よりの実総走行距離を検出する走行距離検出手段M2 And M, and the running on the essential first electrical equipment E1, the second electrical equipment E2 running on not essential, in the power supply control apparatus for an electric vehicle and a power supply battery B supplying electric power thereto, a remaining power detecting means M1 for detecting a remaining power of the battery, the travel distance detecting means M2 for the battery for detecting the actual total distance than when it is fully charged
と、前記バッテリのフル充電により定まる目標総走行距離より前記実総走行距離を減算することにより残存走行距離を演算する残存走行距離演算手段M3と、前記電気自動車が前記残存走行距離走行する間に前記走行用モータ、前記第一及び第二の電装設備により消費される電力を推定する消費電力推定手段M4と、推定される消費電力が前記電力残量よりも高いときには前記バッテリより前記第二の電装設備への電力の供給を禁止する電力供給禁止手段M5とを有することを特徴とする電気自動車の電力供給制御装置によって達成される。 When a remaining travel distance calculating means M3 for computing the residual travel distance by subtracting from the actual total distance desired total travel distance determined by the full charge of the battery, while the electric vehicle is the remaining Mileage said traction motor, said the first and the power consumption estimation means M4 for estimating the power consumed by the second electric equipment, power consumption is estimated the second from the battery when higher than the remaining power is achieved by a power supply control apparatus for an electric vehicle, characterized in that it comprises a power supply inhibiting means M5 for prohibiting the power supply to the electrical equipment.

【0007】 [0007]

【作用】上述の如き構成によれば、電力残量検出手段M SUMMARY OF] According to such the above configuration, the power level detecting means M
1によりバッテリの電力残量が検出され、走行距離検出手段M2によりバッテリがフル充電された時点よりの実総走行距離が検出され、残存走行距離演算手段M3によってバッテリのフル充電により定まる目標総走行距離より実総走行距離が減算されることにより残存走行距離が演算される。 1 battery remaining power is detected by the travel distance by the detecting means M2 battery is detected actual total distance of from the time of the fully charged, the target total travel determined by the full charge of the battery by the remaining running distance calculating means M3 actual total distance than the distance residual travel distance by being subtracted is calculated. そして消費電力推定手段M4により電気自動車が残存走行距離走行する間に走行用モータ、第一及び第二の電装設備により消費される電力が推定され、推定される消費電力が電力残量よりも高いときには電力供給禁止手段M5によってバッテリより第二の電装設備への電力の供給が禁止される。 The traction motor while the electric vehicle is left Mileage by the power consumption estimation means M4, the power consumed by the first and second electrical equipment is estimated power consumption estimated is higher than the remaining power supply of power to the second electrical equipment from the battery is inhibited sometimes by the power supply inhibiting means M5.

【0008】従って推定される消費電力が電力残量以下であるときには第二の電装設備への電力の供給が許容されることにより第二の電装設備は使用可能な状態に維持されるが、推定される消費電力が電力残量よりも高いときには第二の電装設備への電力の供給が禁止されることによりこれらの設備により電力が消費されることが阻止され、これにより最終的な実総走行距離が少なくとも目標総走行距離になることが確保される。 [0008] Thus, while power consumption is estimated when at most the remaining power is maintained at the second is the electrical equipment ready for use by the power supply to the second electric equipment is allowed, estimated when the power consumption is higher than the power remaining amount is the is blocked that the power these facilities is consumed by the power supply to the second electric equipment is prohibited, thereby a final actual total travel distance it is ensured to be at least the target total distance.

【0009】 [0009]

【課題を解決するための手段の補足説明】本発明に於ける「走行上必須の第一の電装設備」とは、例えばクラクション、ブレーキランプ、方向指示器、ヘッドライト、 And in "running on essential first electrical equipment" in the present invention, there is a supplementary explanation of means for solving the], for example horn, brake lights, turn signals, headlights,
車幅灯、ワイパーの如く昼夜及び天候を問わず電気自動車が安全に走行するために必要な電装設備を意味し、また「走行上必須ではない第二の電装設備」とは、カーオーディオ、カーエアコン、カーテレビの如く快適な走行に必要であるが作動させなくても電気自動車の走行は可能である快適走行用の電装設備や、電動式パワーステアリング装置、パワーウインド、パワーシートの如く運転者や乗員の負担を軽減するために必要であるが人力によっても駆動し得る代替可能な電装設備を意味する。 Width indicators, refers to the electrical equipment required for the electric car regardless of the day and night and the weather as of the wiper is to safely travel, also a "second of the electrical equipment on the run not essential" is, car audio, car air conditioning, car TV traveling possible electrical facilities and comfortable travel is of electric vehicles is not necessary to operate it is necessary for a comfortable traveling as, electric power steering system, power window, as in the power seat driver Although and it is necessary in order to reduce the passenger load means fungible electrical equipment which may be driven by human power.

【0010】 [0010]

【実施例】以下に添付の図を参照しつつ、本発明を実施例について詳細に説明する。 EXAMPLES with reference to the following figures in the attached, detailed explanation of the present invention for Example.

【0011】図2は電動式パワーステアリング装置を備えた電気自動車に適用された本発明による電力供給制御装置の一つの実施例を示す概略構成図、図3は図2に示された走行用電子制御装置を示すブロック線図である。 [0011] Figure 2 is a schematic structural diagram showing one embodiment of a power supply control apparatus according to the present invention applied to an electric vehicle having an electric power steering apparatus, FIG. 3 is traveling electrons shown in FIG. 2 it is a block diagram showing a control device.

【0012】図2に於て、10は走行用モータ(DM) [0012] At a FIG. 2, the 10 traction motor (DM)
を示しており、モータ10は差動装置12及び左右のアクスル14、16を介して図2には示されていない左右の駆動輪を回転駆動するようになっている。 The shows, the motor 10 has become the left and right drive wheels not shown in FIG. 2 through the differential gear 12 and left and right axle 14, 16 to be rotated. モータ10 Motor 10
は電源バッテリ18より走行用電子制御装置20の駆動回路22を経て供給される駆動電流によって回転駆動されるようになっており、駆動電流は図2には示されていないアクセルペダルの踏込み量を検出する踏込み量検出センサ24よりの信号に基き電子制御装置20のマイクロコンピュータ26によりアクセルペダルの踏込み量に応じて制御されるようになっている。 Adapted to be rotatably driven by a driving current is supplied through a driving circuit 22 for driving the electronic control device 20 from the power supply battery 18, the drive current is a depression amount of an accelerator pedal not shown in FIG. 2 It is controlled in accordance with the depression amount of the accelerator pedal by the microcomputer 26 of the electronic control unit 20 based on signals from the depression amount detection sensor 24 for detecting.

【0013】図示の実施例の電気自動車は電動式パワーステアリング装置28を有し、パワーステアリング装置は補助操舵用モータ(PM)30を有している。 [0013] electric vehicle illustrated embodiment has an electric power steering apparatus 28, the power steering device has an auxiliary steering motor (PM) 30. モータ30はバッテリ18より補助操舵用電子制御装置32の駆動回路34を経て供給される駆動電流によって回転駆動されるようになっており、駆動電流は電子制御装置3 Motor 30 is driven to rotate by a driving current supplied via the drive circuit 34 of the auxiliary steering electronic control unit 32 from the battery 18, the driving current electronic control unit 3
2のマイクロコンピュータ36により少なくともトルクセンサ38により検出される操舵トルクに応じて制御されるようになっている。 It is controlled in accordance with the steering torque detected by at least the torque sensor 38 by the second microcomputer 36. モータ30の回転は電磁クラッチ40を経て図には示されていない操舵装置へ伝達され、これにより補助操舵が行われるようになっている。 Rotation of the motor 30 is transmitted through the electromagnetic clutch 40 to the steering device not shown in the figure, thereby so that the steering assist is performed.
電磁クラッチ40は制御装置32よりの制御信号により係合及び解放の切換えが行われ、これによりパワーステアリング装置28は必要に応じ電磁クラッチの解放によりマニュアルステアリング装置に切換えられるようになっている。 Electromagnetic clutch 40 is switched engagement and release are effected by a control signal from the controller 32, thereby so that the power steering apparatus 28 is switched to the manual steering apparatus upon release of the electromagnetic clutch as required.

【0014】また図示の実施例に於ては、走行上必須の電装設備として上述の走行用モータ10に加えて、クラクション42、ヘッドライト、ブレーキランプ、車幅灯、方向指示器等の照明装置44及びワイパー46が設けられており、これらの電装設備にはバッテリ18より図には示されていない対応するスイッチを経てそれらを作動させるための電力が乗員によるスイッチの操作に応じて供給されるようになっている。 [0014] Te is at the illustrated embodiment, in addition to the above-described traction motor 10 as electrical equipment on essential travel, horn 42, headlights, brake lights, side lamps, turn signal, etc. lighting device 44 and has a wiper 46 is provided, it is supplied in response to the operation power switch by the passenger for operating them via the corresponding switch not shown in FIG from the battery 18 to these electrical equipment It has become way.

【0015】更に図示の実施例に於ては、走行上必須ではない電装設備として上述のパワーステアリング装置2 Furthermore Te is at the illustrated embodiment, the above-mentioned power steering apparatus as electrical equipment on the run is not essential 2
8に加えて、カーエアコン48、カーオーディオ50、 In addition to the 8, car air-conditioner 48, car audio 50,
パワーウインド52が設けられており、これらの電装設備にはバッテリ18よりそれぞれノーマルクローズ型のリレー54、56、58及び図には示されていない対応するスイッチを経てそれらを作動させるための電力がスイッチの操作に応じて供給されるようになっている。 Power window 52 is provided, the power for each from the battery 18 to these electrical equipment via the corresponding switch not shown in the relay 54, 56, 58 and figures normally closed actuating them It is supplied in response to the operation of the switch. 尚ウインドガラスはパワーウインド52によらず手動によっても開閉し得るようになっている。 Note the window glass and is able to open and close manually regardless of the power window 52.

【0016】図3に詳細に示されている如く、走行用電子制御装置20のマイクロコンピュータ26は中央処理ユニット(CPU)70と、リードオンリメモリ(RO [0016] As shown in detail in FIG. 3, the microcomputer 26 of the traveling electronic control device 20 includes a central processing unit (CPU) 70, read-only memory (RO
M)72と、ランダムアクセスメモリ(RAM)74 And M) 72, random access memory (RAM) 74
と、入力ポート装置76と、出力ポート装置78とを有し、これらは双方向性のコモンバス80により互いに接続されている。 When an input port device 76, and an output port 78, which are connected together by a bidirectional common bus 80.

【0017】入力ポート装置76には踏込み量検出センサ24により検出されたアクセルペダルの踏込み量を示す信号、車速センサ82により検出された車速Vを示す信号、電力残量検出装置84により検出されたバッテリ18の電力残量WHを示す信号、及び走行距離検出装置86により検出された自動車の実総走行距離Lr (バッテリがフル充電された時点よりの実総走行距離)を示す信号が入力されるようになっている。 The signal indicating the amount of depression of the accelerator pedal detected by the depression amount detection sensor 24 to the input port device 76, a signal indicating the vehicle speed V detected by the vehicle speed sensor 82, detected by the remaining power detector 84 signal indicating the actual total distance Lr of the vehicle is detected (actual total travel distance from the time the battery is fully charged) is an input signal indicating the remaining power WH of the battery 18, and the running distance detector 86 It has become way. 入力ポート装置7 Input port device 7
6はそれに入力された信号を適宜に処理し、ROM72 6 processes the input signals thereto appropriately, ROM 72
に記憶されている制御プログラムに基くCPU70の指示に従い、CPU及びRAM74へ処理された信号を出力するようになっている。 Follow the instructions of CPU70 based on a control program stored, so as to output a processed signal to the CPU and RAM74 are on.

【0018】ROM72は図には示されていない走行制御プログラム、図4に示された電力供給制御プログラム及び図5に示されたグラフに対応するマップを記憶している。 The ROM72 stores a map corresponding to the graph shown in the running control program, the power supply control program and 5 shown in FIG. 4, not shown in FIG. CPU70は図4に示された制御プログラム等に基き種々の演算及び信号の処理を行うようになっている。 CPU70 is adapted to perform processing of various operations and signals based on the indicated control program in FIG. 出力ポート装置78はCPU70の指示に従いアクセルペダルの踏込み量に応じて走行用モータ10へ駆動電流を出力し、必要に応じてリレー54、56、58へそれらを開閉する制御信号を出力し、また補助操舵用モータ30への駆動電流の供給を停止すると共に電磁クラッチ40を解放する指令信号を補助操舵用電子制御装置32へ出力し、更にバッテリ18の電力残量が低下したときにはそのことを示す警報ランプ88へ指令信号を出力しこれを点灯するようになっている。 Outputs a drive current to the traction motor 10 in accordance with the depression amount of the accelerator pedal in accordance with an instruction of the output port device 78 CPU 70, outputs a control signal for opening and closing them to the relay 54, 56, 58 if necessary, also shows the in that the when outputting the command signal to release the electromagnetic clutch 40 to the auxiliary steering electronic control unit 32, the remaining power of the further battery 18 decreases to stop the supply of the drive current to the auxiliary steering motor 30 It is adapted to light up this outputs a command signal to the alarm lamp 88.

【0019】尚補助操舵用電子制御装置32のマイクロコンピュータ36も上述の走行用電子制御装置20のマイクロコンピュータ26と同様に構成されているが、補助操舵用電子制御装置の構造及び作動自体は本発明の要旨をなすものではなく、また当技術分野に於てよく知られているので、これらについての詳細な説明を省略する。 [0019] Note that although the same configuration as the microcomputer 26 of the microcomputer 36 is also above the traveling electronic control unit 20 of the auxiliary steering electronic control unit 32, the structure and operation itself of the auxiliary steering electronic control unit present not constitute the gist of the invention, also because better known at the art to omit the detailed description thereof.

【0020】次に図4に示されたフローチャートを参照して図示の実施例に於ける電力供給制御について説明する。 [0020] Next, in the power supply control will be described in the examples illustrated with reference to the flowchart shown in FIG. 尚電子制御装置20による電力供給制御ルーチンは図には示されていないイグニッションスイッチが閉成されることにより開始され、所定時間毎の割込みにより実行される。 Note power supply control routine by the electronic control unit 20 is started by the ignition switch not shown is closed, is executed by interruption every predetermined time.

【0021】まず最初のステップ10に於ては車速センサ82により検出された車速Vを示す信号、電力残量検出装置84により検出されたバッテリ18の電力残量W [0021] First signal indicating a vehicle speed V detected by the vehicle speed sensor 82 At a step 10, the remaining power W of the battery 18 detected by the remaining power detector 84
Hを示す信号、及び走行距離検出装置86により検出された自動車の実総走行距離Lr を示す信号の読込みが行われ、ステップ20に於てはバッテリのフル充電により定まる目標総走行距離Lo (ROM72に記憶されている)より実総走行距離Lr を減算することにより残存走行距離Lが演算される。 Signal indicating the H, and the reading of the signal indicating the actual total distance Lr of the vehicle detected by the travel distance detection unit 86 is performed, the target total distance Lo (ROM 72 defined by the battery fully charged for the At a step 20 remaining travel distance L is calculated by from the stored) subtracting the actual total distance Lr to.

【0022】ステップ30に於ては残存走行距離L及び車速Vに基き残存走行時間tが下記の数1に従って演算され、ステップ40に於ては車速Vに基き図5に示されたグラフに対応するマップより後述の数2〜数5の演算に供される係数Ko が演算される。 [0022] The At a step 30 the remaining running time t on the basis of the remaining traveling distance L and the vehicle speed V is calculated according to the equation 1 below, corresponding to the graph shown in based view 5 on the vehicle speed V is At a step 40 coefficient Ko is subjected from the map for the calculation of the number 2 to number 5 below which is calculated.

【数1】t=L/V [Number 1] t = L / V

【0023】ステップ50に於ては下記の数2に従って自動車が残存走行時間t走行する間に走行用モータ1 The traveling motor 1 while the vehicle according to the number of below 2 At a step 50 travels remaining running time t
0、クラクション42、照明装置44、ワイパー46、 0, horn 42, the lighting device 44, the wiper 46,
電動式パワーステアリング装置28の補助操舵用モータ30、カーエアコン48、カーオーディオ50、パワーウインド52により消費される電力WHo が演算されると共に、電力残量検出装置84により検出された電力残量WHと推定消費電力WHo との差が正であるか否かの判別が行われる。 Auxiliary steering motor 30 of the electric power steering device 28, a car air conditioner 48, a car audio 50, the power WHo is calculated to be consumed by the power window 52, ​​the remaining power WH detected by the remaining power detector 84 the difference between the estimated power consumption WHo there is or not positive in either determination is made as. WH−WHo >0ではない旨の判別が行われたときにはステップ60に於てリレー58へ制御信号が出力されることによりパワーウインド52への電力の供給が禁止されると共に警報ランプ88が作動されることによりパワーウインドを使用することができない旨の警報が発せられ、WH−WHo >0である旨の判別が行われたときにはステップ70に於てパワーウインド52、カーオーディオ50、カーエアコン48、補助操舵用モータ30への電力の供給が禁止されている場合はその禁止が解除されると共に警報ランプ88の作動が停止される。 WH-WHO> when 0 determination indicating not is performed alarm lamp 88 together with the supply of power to the power window 52 is inhibited is activated by the control signal to the relay 58 is output At a step 60 Rukoto alarm to the effect that can not be used power window by is issued, the power window 52 at a step 70 when the determination indicating that the WH-WHO> 0 was performed, car audio 50, car air conditioners 48, when the supply of power to the steering assist motor 30 is prohibited the operation of the alarm lamp 88 together with the prohibition is canceled is stopped.

【数2】 WHo =(Ko ・Wo +K1 ・W1 +K2 ・W2 +K3 ・W3 +K4 ・W4 +K5 ・W5 +K6 ・W6 +K7 ・W7 +K8 ・W8 )t [Number 2] WHo = (Ko · Wo + K1 · W1 + K2 · W2 + K3 · W3 + K4 · W4 + K5 · W5 + K6 · W6 + K7 · W7 + K8 · W8) t

【0024】尚数2に於て、Wo 〜W8 はそれぞれ走行用モータ10、クラクション42、照明装置44、ワイパー46、補助操舵用モータ30、カーエアコン48、 [0024] Note At a number 2, Wo -W8 each traveling motor 10, horn 42, the lighting device 44, the wiper 46, the auxiliary steering motor 30, a car air conditioner 48,
カーオーディオ50、パワーウインド52により単位時間当りに消費される電力であり、係数K1 〜K8 はそれぞれクラクション42等についての走行中の使用頻度に対応する係数(正の定数)である。 Car audio 50, a power consumed per unit time by the power window 52, ​​the coefficient K1 ~K8 is a coefficient corresponding to the frequency of use during traveling of each horn 42 or the like (a positive constant). これらは後述の数3 The number of these are described below 3
〜数5に於ても同様である。 The same is true in at to to a few 5.

【0025】ステップ80に於ては下記の数3に従って自動車が残存走行時間t走行する間にパワーウインド5 The power window 5 while the motor vehicle according to the number of below 3 At a step 80 travels remaining running time t
2以外の走行用モータ10等の電装設備により消費される電力WH1 が演算されると共に、電力残量検出装置8 With power WH1 is calculated to be consumed by the electrical equipment such as traction motor 10 other than 2, the remaining power detector 8
4により検出された電力残量WHと推定消費電力WH1 Estimated power consumption and the detected remaining power WH by 4 WH1
との差が正であるか否かの判別が行われる。 Difference is whether positive at either determination is made with. WH−WH WH-WH
1 >0ではない旨の判別が行われたときにはステップ9 Step 9 when the 1> determine the effect not 0 is performed
0に於てリレー56へ制御信号が出力されることによりカーオーディオ50への電力の供給が禁止されると共に警報ランプ88が作動されることによりカーオーディオを使用することができない旨の警報が発せられ、WH− 0 warning to the effect that can not be used car audio by the warning lamp 88 is operated with the supply of electric power is prohibited to car audio 50 emitted by the control signal to the relay 56 is output At a It is, WH-
WH1 >0である旨の判別が行われたときにはステップ100に於てカーオーディオ50、カーエアコン48、 WH1> 0 car audio 50 At a step 100 when the determination of the effect was done as a car air conditioner 48,
補助操舵用モータ30への電力の供給が禁止されている場合はその禁止が解除されると共に警報ランプ88の作動が停止される。 When the supply of power to the steering assist motor 30 is prohibited the operation of the alarm lamp 88 together with the prohibition is canceled is stopped.

【数3】 WH1 =(Ko ・Wo +K1 ・W1 +K2 ・W2 +K3 ・W3 +K4 ・W4 +K5 ・W5 +K6 ・W6 +K7 ・W7 )t [Number 3] WH1 = (Ko · Wo + K1 · W1 + K2 · W2 + K3 · W3 + K4 · W4 + K5 · W5 + K6 · W6 + K7 · W7) t

【0026】ステップ110に於ては下記の数4に従って自動車が残存走行時間t走行する間にパワーウインド52及びカーオーディオ50以外の走行用モータ10等の電装設備により消費される電力WH2 が演算されると共に、電力残量検出装置84により検出された電力残量WHと推定消費電力WH2 との差が正であるか否かの判別が行われる。 The power WH2 the car according to the number 4 below is consumed by the electrical equipment of the traction motor 10 other than the power window 52 and car audio 50 while traveling remaining traveling time t is calculated in At a step 110 Rutotomoni, the difference is whether positive and whether discrimination between residual power WH detected by the remaining power detector 84 and the estimated power consumption WH2 performed. WH−WH2 >0ではない旨の判別が行われたときにはステップ120に於てリレー54へ制御信号が出力されることによりカーエアコン48への電力の供給が禁止されると共に警報ランプ88が作動されることによりカーエアコンを使用することができない旨の警報が発せられ、WH−WH2 >0である旨の判別が行われたときにはステップ130に於てカーエアコン48 When WH-WH2> determine the effect not 0 is performed alarm lamp 88 together with the supply of electric power to the car air conditioner 48 is inhibited is activated by the control signal At a step 120 to the relay 54 is output Rukoto by the warning to the effect that can not be used a car air conditioner is issued, a car air conditioner 48 at a step 130 when the determination indicating that the WH-WH2> 0 was performed
若しくは補助操舵用モータ30への電力の供給が禁止されている場合はその禁止が解除されると共に警報ランプ88の作動が停止される。 Or when the power supply to the auxiliary steering motor 30 is prohibited the operation of the alarm lamp 88 together with the prohibition is canceled is stopped.

【数4】 WH2 =(Ko ・Wo +K1 ・W1 +K2 ・W2 +K3 ・W3 +K4 ・W4 +K5 ・W5 +K6 ・W6 )t [Number 4] WH2 = (Ko · Wo + K1 · W1 + K2 · W2 + K3 · W3 + K4 · W4 + K5 · W5 + K6 · W6) t

【0027】ステップ140に於ては下記の数5に従って自動車が残存走行時間t走行する間にパワーウインド52、カーオーディオ50及びカーエアコン48以外の走行用モータ10等の電装設備により消費される電力W The power car according to the number of below 5 At a step 140 is consumed by the electrical equipment of power window 52, ​​such as traction motor 10 other than the car audio 50 and car air conditioner 48 during the travel remaining running time t W
H3 が演算されると共に、電力残量検出装置84により検出された電力残量WHと推定消費電力WH3 との差が正であるか否かの判別が行われる。 Together and H3 are calculated, the difference is whether positive and whether discrimination between residual power WH detected by the remaining power detector 84 and the estimated power consumption WH3 performed. WH−WH3 >0ではない旨の判別が行われたときにはステップ150に於て補助操舵用電子制御装置32のマイクロコンピュータ36へ制御信号が出力されることにより補助操舵用モータ30への電力の供給が禁止され且電磁クラッチ40が解放されることによってパワーステアリング装置がマニュアルステアリング装置に切換えられると共に、警報ランプ88が作動されることによりパワーステアリング装置を使用することができない旨の警報が発せられ、WH Power supply to the auxiliary steering motor 30 by the control signal At a step 150 to the microcomputer 36 of the auxiliary steering electronic control unit 32 is output when the WH-WH3> determine the effect not 0 is performed There with the power steering apparatus is switched to the manual steering system by 且 electromagnetic clutch 40 is prohibited is released, an alarm to the effect that it is not possible to use the power steering system is issued by the warning lamp 88 is actuated, WH
−WH3 >0である旨の判別が行われたときにはステップ160に於て補助操舵用モータ30への電力の供給が禁止されている場合はその禁止が解除され且電磁クラッチ40が係合されることによってパワーステアリング装置が作動可能な状態に切換えられると共に警報ランプ8 When -WH3> 0 a is that the decision is made, 且 electromagnetic clutch 40 is released the prohibition is engaged when the supply of power to the steering assist motor 30 is prohibited At a step 160 warning lamp 8 with the power steering apparatus is switched to the operable state by
8の作動が停止される。 8 operation of the is stopped.

【数5】 WH3 =(Ko ・Wo +K1 ・W1 +K2 ・W2 +K3 ・W3 +K4 ・W4 +K5 ・W5 )t [Number 5] WH3 = (Ko · Wo + K1 · W1 + K2 · W2 + K3 · W3 + K4 · W4 + K5 · W5) t

【0028】かくして図示の実施例によれば、電力残量WHが推定消費電力WHo よりも大きいときには、ステップ50に於てイエスの判別が行われることによりステップ70に於てパワーウインド52等の第二の電装設備が使用可能な状態に維持されるので、運転者や乗員は余分な負担を強いられることなく快適な走行をすることができる。 [0028] Thus, according to the illustrated embodiment, when the remaining power WH is larger than the estimated power consumption WHo is first such power window 52 At a step 70 by Jesus determination is made At a step 50 since second electric equipment is maintained in a usable state, the driver and passengers can travel comfortably without being forced to extra burden.

【0029】これに対し電力残量WHが推定消費電力以下になると、ステップ50、80、110、又は140 [0029] In contrast the remaining power WH is below the estimated power consumption, step 50,80,110, or 140
に於てノーの判別が行われることにより、それぞれ対応するステップ60、90、120、又は150に於て対応する第二の電装設備への電力の供給が禁止され、これらによる電力の消費が確実に阻止されるので、最終的な実総走行距離Lr は少なくとも目標総走行距離Lo になり、これにより最終的には必ず目標総走行距離の走行を達成することができる。 A by no determination is made Te at, banned the supply of electric power to the corresponding step 60,90,120, or the second electrical equipment corresponding At a 150 respectively, it ensures the power consumption of by these since is prevented in the final actual total distance Lr becomes at least the target total distance Lo, which makes it possible to achieve a final running of the always desired total mileage.

【0030】また図示の実施例によれば、パワーウインド52等の第二の電装設備には走行上の影響度の低い順に電力の供給禁止の優先順位が与えられており、各第二の電装設備は優先順位に従って順次段階的に電力の供給が禁止されるので、電力残量WHが推定消費電力以下になると全ての第二の電装設備に対する電力の供給が禁止される場合に比して、バッテリの電力残量が少くなった段階に於ける運転者や乗員の負担を軽減し快適な走行に対する影響を低減することができる。 [0030] According to the illustrated embodiment, the second electrical equipment such as power window 52 is given a priority of the power supply prohibition of the ascending order of the degree of influence on driving, the second electrical since equipment supplied sequentially stepwise power in accordance with the priority is prohibited, as compared with the case where the supply of electric power is inhibited for all the second electric equipment when the remaining power WH is below the estimated power consumption, reduce in driver and passengers of the burden to the stage where residual power has become less of a battery it is possible to reduce the impact on the comfortable driving.

【0031】更に図示の実施例によれば、何れかの第二の電装設備に対する電力の供給が禁止されている場合に於ても、ステップ50、80、110又は140に於て自動車の走行状態により実際の消費電力量が少く電力残量WHが推定消費電力よりも大きい旨の判別が行われると、ステップ70、100、130、又は160に於て対応する第二の電装設備への電力供給禁止が解除されそれらの第二の電装設備が使用可能な状態に切換えられるので、一旦第二の電装設備に対する電力の供給が禁止されると電力供給禁止が解除されない場合に比して運転者や乗員の負担を軽減し走行時の快適性を向上させることができる。 Furthermore, according to the illustrated embodiment, one of the second even at the when the power supply is prohibited for electrical equipment, the running state of the automobile At a step 50,80,110 or 140 by the actual power consumption amount is less remaining power WH is the determination of the greater effect than the estimated power consumption is performed, the power supply to the second electrical equipment corresponding at a step 70,100,130, or 160 since prohibition is released the second electrical equipment thereof is switched to a usable state, the driver Ya once compared to the case where the power supply to the second electric equipment is prohibited power supply prohibition is not released it is possible to improve the comfort of alleviating traveling passenger load.

【0032】以上に於ては本発明を特定の実施例について詳細に説明したが、本発明はかかる実施例に限定されるものではなく、本発明の範囲内にて他の種々の実施例が可能であることは当業者にとって明らかであろう。 [0032] have been described in detail specific embodiments of the present invention At a above, the present invention is not limited to such embodiments, and various embodiments within the scope of another present invention It can be it will be apparent to those skilled in the art.

【0033】例えば上述の実施例に於ては第二の電装設備として特定の電装設備の例が示されているが、第二の電装設備は電気自動車に応じて任意の電装設備の組合せであってよく、また第二の電装設備に対する電力の供給禁止の優先順位も上述の順位に限定されるものではなく、必要に応じ任意に設定されてよいものである。 [0033] For example although At a above embodiments there is shown an example of specific electrical equipment as a second electrical equipment, there a combination of any of the electrical equipment in accordance with the second electrical equipment electric vehicle Te may also not be the priority of the power supply prohibition to be limited to the above order with respect to the second electrical equipment, in which may be set arbitrarily as required.

【0034】また上述の実施例に於ては残存走行距離は表示されないようになっているが、運転者が目標総走行距離より実総走行距離を減算することなく残存走行距離を用意に且確実に認識し得るよう、例えばステップ20 [0034] Although Te is remaining mileage at the embodiment described above so as not appear, 且確 fruit prepare remaining travel distance without the driver to subtract from the actual total distance target total distance to be recognized, for example, step 20
に於て演算された残存走行距離が車室内に設けられた表示手段に表示されるよう構成されてもよい。 It may be configured such that the residual travel distance computed is displayed on the display means provided in the passenger compartment At a.

【0035】 [0035]

【発明の効果】以上の説明より明らかである如く、本発明によれば、推定される消費電力が電力残量以下であるときには第二の電装設備への電力の供給が許容されることによりこれらの使用が可能な状態が継続されるが、推定される消費電力が電力残量よりも高いときには第二の電装設備への電力の供給が禁止されることによりこれらの設備により電力が消費されることが阻止され、これにより最終的な実総走行距離が少なくともバッテリのフル充電により定まる目標総走行距離になることが確保されるので、自動車が如何なる状態にて走行しても最終的には必ず目標総走行距離の走行を達成することができ、乗員は残存走行距離より行きたい目的地へ到達し得るか否かを正確に判定することができ、またバッテリの充電の要否を正確に判定 As it is clear from description above, according to the present invention, according to the present invention, when the power consumption is estimated at less residual power of these by being allowed power supply to the second electric equipment the use of the possible states is continued, when the power consumption which is estimated is higher than the power remaining power is consumed by these facilities by the power supply to the second electric equipment is prohibited it is is prevented, thereby since the final actual total distance is ensured be a target total distance defined by at least a battery fully charged, always it is eventually traveling vehicle at any state can achieve traveling target total distance, the occupant is able to accurately determine whether may reach the destination Families from remaining travel distance, also accurately determine the necessity of charging the battery ることができる。 Rukoto can.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明による電気自動車の電力供給制御装置の構成を特許請求の範囲の記載に対応させて示す説明図である。 1 is an explanatory view showing in correspondence with the description of the scope configure the claims of the power supply control apparatus for an electric vehicle according to the present invention.

【図2】電動式パワーステアリング装置を備えた電気自動車に適用された本発明による電力供給制御装置の一つの実施例を示す概略構成図である。 2 is a schematic diagram showing one embodiment of a power supply control apparatus according to the present invention applied to an electric vehicle having an electric power steering apparatus.

【図3】図2に示された走行用電子制御装置を示すブロック線図である。 3 is a block diagram showing a driving electronic control device shown in FIG.

【図4】図2及び図3に示された走行用電子制御装置により達成される電力供給制御ルーチンを示すフローチャートである。 4 is a flowchart showing a power supply control routine which is achieved by the Figure 2 and running electronic control device shown in FIG.

【図5】車速センサにより検出される車速Vと係数Ko [5] the vehicle speed V and the coefficient Ko is detected by the vehicle speed sensor
との間の関係を示すグラフである。 Is a graph showing the relationship between.

【符号の説明】 DESCRIPTION OF SYMBOLS

10…走行用モータ 18…電源バッテリ 20…走行用電子制御装置 28…電動式パワーステアリング装置 30…補助操舵用モータ 32…補助操舵用電子制御装置 48…カーエアコン 50…カーオーディオ 52…パワーウインド 82…車速センサ 84…電力残量検出装置 86…走行距離検出装置 88…警報ランプ 10 ... running motor 18 ... battery power source 20 ... running electronic control device 28 ... electric power steering apparatus 30 ... auxiliary steering motor 32 ... auxiliary steering electronic control unit 48 ... car air 50 ... Car Audio 52 ... power window 82 ... vehicle speed sensor 84 ... power level detecting unit 86 ... travel distance detecting device 88 ... alarm lamp

Claims (1)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】走行用モータと、走行上必須の第一の電装設備と、走行上必須ではない第二の電装設備と、これらに電力を供給する電源バッテリとを有する電気自動車の電力供給制御装置にして、前記バッテリの電力残量を検出する電力残量検出手段と、前記バッテリがフル充電された時点よりの実総走行距離を検出する走行距離検出手段と、前記バッテリのフル充電により定まる目標総走行距離より前記実総走行距離を減算することにより残存走行距離を演算する残存走行距離演算手段と、前記電気自動車が前記残存走行距離走行する間に前記走行用モータ、前記第一及び第二の電装設備により消費される電力を推定する消費電力推定手段と、推定される消費電力が前記電力残量よりも高いときには前記バッテリより前記第二の電装設備への And 1. A traveling motor, a first electric equipment on essential travel, and a second electrical equipment running on not essential, the power supply control of the electric vehicle and a power supply battery for supplying electric power to these an apparatus, a remaining power detecting means for detecting the remaining power of the battery, a travel distance detecting means for detecting an actual total distance of from time when the battery is fully charged, determined by the full charge of the battery a remaining travel distance calculating means for calculating a remaining travel distance by subtracting the actual total distance from the target total travel distance, the traveling motor while the electric vehicle is the remaining mileage, said first and and power consumption estimating means for estimating the power consumed by the second electric equipment, power consumption is estimated to the second electrical equipment from the battery when higher than the remaining power 力の供給を禁止する電力供給禁止手段とを有することを特徴とする電気自動車の電力供給制御装置。 Power supply control apparatus for an electric vehicle, characterized in that it comprises a power supply inhibiting means for inhibiting the supply of power.
JP19191293A 1993-07-06 1993-07-06 Power supply controller for electric automobile Pending JPH0731008A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19191293A JPH0731008A (en) 1993-07-06 1993-07-06 Power supply controller for electric automobile

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JP19191293A JPH0731008A (en) 1993-07-06 1993-07-06 Power supply controller for electric automobile

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JPH0731008A true JPH0731008A (en) 1995-01-31

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