JPH05236602A - Safety device for electric automobile - Google Patents

Safety device for electric automobile

Info

Publication number
JPH05236602A
JPH05236602A JP4037588A JP3758892A JPH05236602A JP H05236602 A JPH05236602 A JP H05236602A JP 4037588 A JP4037588 A JP 4037588A JP 3758892 A JP3758892 A JP 3758892A JP H05236602 A JPH05236602 A JP H05236602A
Authority
JP
Japan
Prior art keywords
vehicle
electric
battery
safety device
electric motor
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
JP4037588A
Other languages
Japanese (ja)
Inventor
Masatake Nakajima
正剛 中島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP4037588A priority Critical patent/JPH05236602A/en
Priority to DE4305819A priority patent/DE4305819A1/de
Priority to GB9303819A priority patent/GB2265240A/en
Publication of JPH05236602A publication Critical patent/JPH05236602A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/04—Cutting off the power supply under fault conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0007—Measures or means for preventing or attenuating collisions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/88—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means
    • B60T8/885—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration with failure responsive means, i.e. means for detecting and indicating faulty operation of the speed responsive control means using electrical circuitry
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/40—DC to AC converters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T2270/00—Further aspects of brake control systems not otherwise provided for
    • B60T2270/40—Failsafe aspects of brake control systems
    • B60T2270/415—Short-circuit, open circuit failure
    • 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
    • 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
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

(57)【要約】 【目的】 車両衝突事故発生時に車両の暴走を防止する
電気自動車の安全装置を得る。 【構成】 車両衝突事故発生時の加速度を加速度センサ
６が検出して、遮断器５を動作させる電気信号を出力す
る。遮断器５が動作してバッテリ１を断路させ、バッテ
リ１と制御装置３間を切る。これにより、バッテリ１か
ら制御装置３を介して電動機４に電流が流れなくなり、
車両は停止する。 (57) [Abstract] [Purpose] To obtain a safety device for an electric vehicle that prevents the vehicle from running away when a vehicle collision accident occurs. [Structure] An acceleration sensor 6 detects an acceleration when a vehicle collision accident occurs, and outputs an electric signal for operating a circuit breaker 5. The circuit breaker 5 operates to disconnect the battery 1 and disconnect the battery 1 and the control device 3. As a result, no current flows from the battery 1 to the electric motor 4 via the control device 3,
The vehicle stops.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】この発明は電気推進力により走行
する電気自動車の安全装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a safety device for an electric vehicle which is driven by electric propulsion.

【０００２】[0002]

【従来の技術】図２は従来の電気自動車の電気推進系統
の電力回路を示し、図２において、１は電気自動車の駆
動用電源としてのバッテリ、２はこの電力回路の短絡事
故防止用のヒューズ、３はバッテリ１からの電流の制御
をする制御装置、４は制御装置３によって駆動制御され
る電動機であり、図示しない車両の駆動装置に連結され
ている。2. Description of the Related Art FIG. 2 shows a power circuit of a conventional electric propulsion system of an electric vehicle. In FIG. 2, 1 is a battery as a power source for driving the electric vehicle, and 2 is a fuse for preventing a short circuit accident in the power circuit. Reference numeral 3 denotes a control device that controls the current from the battery 1, and 4 denotes an electric motor that is drive-controlled by the control device 3, and is connected to a vehicle drive device (not shown).

【０００３】次に、動作について説明する。バッテリ１
より供給された電流はヒューズ２を通り、制御装置３に
流れ込む。そして、制御装置３により制御されたこの電
流は電動機４を駆動する。その駆動力は電動機４に連結
された図示しない車両の駆動装置を駆動する。電力回路
短絡時には、大電流がヒューズ２に流れ込み、ヒューズ
２が溶断することにより電力回路の電流を遮断して安全
が保たれる。Next, the operation will be described. Battery 1
The electric current supplied from the device passes through the fuse 2 and flows into the control device 3. Then, this current controlled by the control device 3 drives the electric motor 4. The driving force drives a vehicle driving device (not shown) connected to the electric motor 4. When the power circuit is short-circuited, a large current flows into the fuse 2, and the fuse 2 is melted to cut off the current in the power circuit to maintain safety.

【０００４】[0004]

【発明が解決しようとする課題】従来の電気自動車の安
全装置は、ヒューズ２のみであるため、車両の衝突事故
が発生した場合には、電力回路の短絡が起こらない限
り、電力回路を遮断することがなく、運転者や車両の状
態と関係なく電動機４への電流供給をし続け、車両を暴
走させるなどの問題点があった。Since the conventional safety device for an electric vehicle is only the fuse 2, the power circuit is shut off in the event of a vehicle collision unless a short circuit occurs in the power circuit. However, there is a problem in that the electric current is continuously supplied to the electric motor 4 regardless of the state of the driver or the vehicle, and the vehicle runs out of control.

【０００５】この発明は上記のような問題点を解決する
ためになされたもので、車両の衝突事故発生時に確実に
駆動用電源を断路させ、車両の暴走を防止することので
きる電気自動車の安全装置を得る事を目的とする。The present invention has been made in order to solve the above-mentioned problems, and in the case of an electric vehicle, it is possible to reliably disconnect the drive power source in the event of a vehicle collision and prevent the vehicle from running out of control. The purpose is to get the device.

【０００６】[0006]

【課題を解決するための手段】この発明の電気自動車の
安全装置は、車両衝突事故時に発生する加速度に応動し
て駆動用電源を断路するスイッチ手段を設けたものであ
る。A safety device for an electric vehicle according to the present invention is provided with a switch means for disconnecting a driving power source in response to an acceleration generated in a vehicle collision accident.

【０００７】[0007]

【作用】この発明における電気自動車の安全装置は、車
両の衝突事故発生時に発生する加速度に応動してスイッ
チ手段が駆動用電源を断路し、電動機への電力供給を止
めて車両の暴走を防止する。In the safety device for an electric vehicle according to the present invention, the switch means disconnects the drive power source in response to the acceleration generated when a vehicle collision occurs and the electric power supply to the electric motor is stopped to prevent the vehicle from running out of control. ..

【０００８】[0008]

【実施例】実施例１．図１おいて、符号１〜４の構成要
素は従来装置と同じ構成要素であるので、その説明を省
略し、５はバッテリ１と制御装置３の間に接続された遮
断器、６は車両衝突事故時に発生する加速度を検出して
遮断器５に電気信号を与える加速度センサである。EXAMPLES Example 1. In FIG. 1, components 1 to 4 are the same components as those of the conventional device, and therefore the description thereof is omitted, 5 is a circuit breaker connected between the battery 1 and the control device 3, and 6 is a vehicle collision. It is an acceleration sensor that detects the acceleration generated at the time of an accident and gives an electric signal to the circuit breaker 5.

【０００９】次に、図１を参照して実施例１の動作につ
いて説明する。バッテリ１より供給された電流が、ヒュ
ーズ２と遮断器５を通り、制御装置３に流れ込む。制御
装置３により制御されたこの電流は電動機４に流れて電
動機４を駆動する。これにより、電動機４に連結された
図示しない電気自動車の駆動装置を駆動する。Next, the operation of the first embodiment will be described with reference to FIG. The current supplied from the battery 1 flows into the control device 3 through the fuse 2 and the circuit breaker 5. This current controlled by the controller 3 flows to the electric motor 4 to drive the electric motor 4. As a result, the drive device of the electric vehicle (not shown) connected to the electric motor 4 is driven.

【００１０】電力回路短絡時には大電流がヒューズ２に
流れ込み、ヒューズ２が溶断することにより電力回路を
遮断する。また、車両の衝突事故発生時には、この衝突
事故により発生した加速度を加速度センサ６が検出して
電気信号を遮断器５に与える。これにより、遮断器５が
動作してバッテリ１を断路する。この断路により、制御
装置３および電動機４にバッテリ１から電流が供給され
ず、電気自動車は停止状態となる。When the power circuit is short-circuited, a large current flows into the fuse 2 and the fuse 2 is melted to cut off the power circuit. When a vehicle collision accident occurs, the acceleration sensor 6 detects the acceleration generated by this collision accident and gives an electric signal to the circuit breaker 5. As a result, the circuit breaker 5 operates and disconnects the battery 1. Due to this disconnection, current is not supplied from the battery 1 to the control device 3 and the electric motor 4, and the electric vehicle is stopped.

【００１１】実施例２．実施例１ではスイッチ手段とし
て加速度センサを備えた遮断器を用いたが、これに代え
て加速度センサを備えた断路器を用いても、上記実施例
と同様の効果を奏する。Embodiment 2. Although the circuit breaker including the acceleration sensor is used as the switch means in the first embodiment, the same effect as that of the above-described embodiments can be obtained by using a disconnector including the acceleration sensor instead of the breaker.

【００１２】実施例３．この他に、スイッチ手段として
加速度センサを備えた他の開閉装置を用いても、上記実
施例と同様の効果を奏する。Embodiment 3. In addition to this, even if another switchgear having an acceleration sensor as the switch means is used, the same effect as that of the above embodiment can be obtained.

【００１３】実施例４．また、上記実施例では電気自動
車の電力回路中において安全装置の説明をしたが、電気
自動車の他の電気回路中で安全装置を構成してもよい。Embodiment 4. Further, in the above embodiment, the safety device is described in the power circuit of the electric vehicle, but the safety device may be configured in another electric circuit of the electric vehicle.

【００１４】実施例５．また、上記実施例では加速度セ
ンサを例えば遮断器のみに接続したが、アンチスキッド
ブレーキシステム（ＡＢＳ）、エアバッグシステムやト
ルクコントロールシステム等の装置にも接続して共用で
きるように構成してもよい。Example 5. Further, although the acceleration sensor is connected only to the circuit breaker in the above embodiment, the acceleration sensor may be connected to a device such as an anti-skid brake system (ABS), an airbag system or a torque control system so as to be shared. ..

【００１５】[0015]

【発明の効果】以上のように、この発明によれば、車両
衝突事故発生時の加速度に応動して駆動用電源を断路す
るスイッチ手段を設けるように構成したので、車両衝突
事故発生時に車両の暴走を防止できる効果がある。As described above, according to the present invention, the switch means for disconnecting the drive power source in response to the acceleration when a vehicle collision accident occurs is provided. It has the effect of preventing runaway.

【図面の簡単な説明】[Brief description of drawings]

【図１】この発明の一実施例による電気自動車の安全装
置を接続した電力回路の系統を示す図である。FIG. 1 is a diagram showing a system of a power circuit to which a safety device for an electric vehicle according to an embodiment of the present invention is connected.

【図２】従来装置を接続した電力回路の系統を示す図で
ある。FIG. 2 is a diagram showing a system of a power circuit to which a conventional device is connected.

【符号の説明】[Explanation of symbols]

１ バッテリ（駆動用電源） ３ 制御装置 ４ 電動機 ５ 遮断器 ６ 加速度センサ （５，６） スイッチ手段 1 Battery (Power Supply for Driving) 3 Control Device 4 Electric Motor 5 Circuit Breaker 6 Acceleration Sensor (5, 6) Switch Means

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 車両の駆動用電源と、上記車両の駆動装
置に連結された電動機と、上記駆動用電源からの電流を
制御して上記電動機の駆動力を制御する制御装置を備え
た電気自動車において、上記車両の衝突事故発生時に発
生する加速度に応動して上記駆動用電源を断路するスイ
ッチ手段を備えた事を特徴とする電気自動車の安全装
置。1. An electric vehicle comprising: a drive power source for a vehicle; an electric motor connected to the drive device for the vehicle; and a control device for controlling a current from the drive power source to control a driving force of the electric motor. The safety device for an electric vehicle according to claim 1, further comprising switch means for disconnecting the driving power source in response to an acceleration generated when the vehicle collision accident occurs.
JP4037588A 1992-02-25 1992-02-25 Safety device for electric automobile Pending JPH05236602A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4037588A JPH05236602A (en) 1992-02-25 1992-02-25 Safety device for electric automobile
DE4305819A DE4305819A1 (en) 1992-02-25 1993-02-25
GB9303819A GB2265240A (en) 1992-02-25 1993-02-25 A safety apparatus for an electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4037588A JPH05236602A (en) 1992-02-25 1992-02-25 Safety device for electric automobile

Publications (1)

Publication Number Publication Date
JPH05236602A true JPH05236602A (en) 1993-09-10

Family

ID=12501700

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4037588A Pending JPH05236602A (en) 1992-02-25 1992-02-25 Safety device for electric automobile

Country Status (3)

Country Link
JP (1) JPH05236602A (en)
DE (1) DE4305819A1 (en)
GB (1) GB2265240A (en)

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JPH0646502A (en) * 1992-03-17 1994-02-18 Aqueous Res:Kk Power shutdown device for electric vehicles
EP0638458A1 (en) * 1993-08-12 1995-02-15 Fuji Electric Co., Ltd. An electric system of an electric vehicle
JP2002354602A (en) * 2001-05-18 2002-12-06 Mitsubishi Motors Corp High voltage system cutoff device for automobile
WO2008010281A1 (en) * 2006-07-20 2008-01-24 Mitsubishi Electric Corporation Controller of electric vehicle
US7339774B2 (en) * 2000-11-03 2008-03-04 Zdziech Peter M Automatic battery disconnect system
JP2010233448A (en) * 2010-07-08 2010-10-14 Mitsubishi Motors Corp High voltage system shutoff device for automobiles
JP2012070482A (en) * 2010-09-21 2012-04-05 Suzuki Motor Corp Exhaust system for battery in vehicle
JP2012227161A (en) * 2007-07-16 2012-11-15 Robert Bosch Gmbh Electric switch device
WO2012153416A1 (en) 2011-05-12 2012-11-15 トヨタ自動車株式会社 Vehicle
CN103085669A (en) * 2011-10-31 2013-05-08 通用汽车环球科技运作有限责任公司 Automatic crash battery discharge method
JP2023543648A (en) * 2021-08-09 2023-10-18 寧徳時代新能源科技股▲分▼有限公司 Battery pack safety monitoring method, device, equipment, system and storage medium

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416286A (en) * 1993-10-19 1995-05-16 Dixon, Jr.; Alfred R. High amperage, high efficiency electrical slide switch assembly with plug and socket contacts
IL107930A0 (en) * 1993-12-07 1994-04-12 Electric Fuel Ltd A metal-air battery-powered electric vehicle
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DE4425307A1 (en) * 1994-07-18 1996-01-25 Bayerische Motoren Werke Ag Electrical safety switch for motor vehicle airbag system
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DE4305819A1 (en) 1993-09-02
GB9303819D0 (en) 1993-04-14

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