EP2706224A2 - Starthilfe für ein Fahrzeug - Google Patents

Starthilfe für ein Fahrzeug Download PDF

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Publication number
EP2706224A2
EP2706224A2 EP13004382.1A EP13004382A EP2706224A2 EP 2706224 A2 EP2706224 A2 EP 2706224A2 EP 13004382 A EP13004382 A EP 13004382A EP 2706224 A2 EP2706224 A2 EP 2706224A2
Authority
EP
European Patent Office
Prior art keywords
vehicle
starting
voltage
current
battery
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.)
Withdrawn
Application number
EP13004382.1A
Other languages
English (en)
French (fr)
Inventor
Yung-Sheng Huang
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US13/694,308 external-priority patent/US9194357B2/en
Application filed by Individual filed Critical Individual
Publication of EP2706224A2 publication Critical patent/EP2706224A2/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N11/0862—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery
    • F02N11/0866—Circuits or control means specially adapted for starting of engines characterised by the electrical power supply means, e.g. battery comprising several power sources, e.g. battery and capacitor or two batteries
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/12—Starting of engines by means of mobile, e.g. portable, starting sets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/14—Starting of engines by means of electric starters with external current supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F02N11/08—Circuits or control means specially adapted for starting of engines
    • F02N2011/0881—Components of the circuit not provided for by previous groups
    • F02N2011/0885—Capacitors, e.g. for additional power supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/04—Parameters used for control of starting apparatus said parameters being related to the starter motor
    • F02N2200/044—Starter current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N2200/00—Parameters used for control of starting apparatus
    • F02N2200/06—Parameters used for control of starting apparatus said parameters being related to the power supply or driving circuits for the starter
    • F02N2200/063—Battery voltage

Definitions

  • the invention relates to jump starting a vehicle disabled by a depleted starting battery by connecting an external power source to the disabled vehicle's battery to quickly supply sufficient current to the vehicle's battery which in turn supplies required power to a starter motor for starting the disabled vehicle.
  • Jump starting is a method of starting a vehicle powered by an internal combustion engine when the vehicle's battery has been discharged.
  • a second battery (often in another vehicle) is temporarily connected to provide starting power to the disabled vehicle. Once the disabled vehicle's engine is running, its alternator or generator should recharge the discharged battery, so the second battery can be disconnected.
  • Embodiments of the invention provide a method of jump starting a vehicle comprising the steps of causing a control unit to set a reference voltage by choosing a point from a chart plotting voltage against time during a starting process; determining whether the voltage across a starting battery of the vehicle is less than the reference voltage or not; closing a switch if the determination is positive, thereby causing an external power source to supply additional current to the vehicle's discharged starting battery for a predetermined period of time; adding the additional current and current from the discharged starting battery to obtain a total current; and supplying the total current to a starter motor of the vehicle so as to start the disabled vehicle.
  • Embodiments of the invention also provide an apparatus for jump starting a vehicle having a starter motor and a starting battery connected to the starter motor, the apparatus comprising a control unit; an external power source connected in parallel to the starting battery by a switch controlled by the control unit; wherein the control unit sets a reference voltage by choosing a point Q from a chart plotting voltage across the starting battery against time for a curve representing a starting process; wherein the control unit determines whether the voltage across the starting battery is less than the reference voltage; wherein the switch is closed when the voltage across the starting battery is less than the reference voltage as determined by the control unit; wherein the external power source supplies additional current to the starting battery, such that the current from the external power source and the current from the starting battery are added to obtain a total current; and wherein the total current is supplied to the starter motor so as to start the vehicle.
  • said reference voltage point Q is chosen from a range of voltages measured across the starting battery during the process of starting the vehicle, wherein specific points in the variation of range of voltages measured in a starting operation are detected, these points including P2, the voltage prior to initiating the starting operation, P3, the minimum voltage reached at the initiation of the starting operation, P4, the voltage measured during cranking of the engine, and P5, the voltage measured after the engine starts, and wherein the reference voltage point Q is chosen from between the voltage measured at P2 and the voltage measured at P5.
  • Embodiments of the invention also provide an apparatus for jump starting a vehicle comprising a starter motor and a starting battery connected to the starter motor, said apparatus comprising:
  • FIG. 5 is a chart plotting voltage across a starting battery against time during a vehicle starting operation. There is sharp drop-off in battery voltage between points P2, the voltage across the battery prior to initiation of the starting operation, and P3, the minimum voltage measured during the starting operation. This is due to the large initial current drawn by operation of the starter motor. Operation of the starter motor during cranking of the engine is represented by section P4 of the curve, and P5 shows the voltage increase after the engine starts, when the alternator or generator provides recharging current to the battery.
  • a reference voltage point Q may be chosen from a point beginning at point P2 and ending at point P5 by referring to the specifications of an automobile starting battery, manufacturer, and type and/or by sampling voltages across the battery when in use.
  • point Q is chosen such that if the starting battery's voltage is at least equal to Q, the battery will likely be able to start the vehicle. If not, a jump start or other assistance will likely be required to provide additional power to the starter motor is provided, so that the vehicle engine can be started.
  • FIG. 1 a flow chart illustrating a method of jump starting a vehicle comprising the following steps:
  • a first apparatus for jump starting a vehicle comprises the following components, as discussed in detail below.
  • a starting battery 10 is connected to a starter motor 20, through a conventional switched connection 33.
  • a control unit 30 is connected to the starting battery 10 through an analogue to digital converter (A/D) 37 so as to be able to measure the voltage across the battery 10.
  • Control unit 30 controls operation of a switch 35 so as to connect an external power source 50 in parallel with the starting battery 10.
  • An input and output device e.g., audible and light device, a video display, or a voltage or current value display
  • 31 may be provided and is connected electrically to the control unit 30, e.g., for display of the status of the external power source and associated components.
  • the control unit 30 can set a reference voltage Q and determine whether an output voltage of the starting battery 10 of a disabled vehicle is less than the reference voltage Q (e.g., a point between P2 and P5 in FIG. 5 ) employing an analogue to digital converter (A/D) 37 which uses sampling to convert a continuous quantity (i.e., the voltage across the starting battery 10) to a discrete time representation in digital form. That is, the control unit 30 can monitor the voltage across the starting battery 10 during a normal start, effectively generating the data shown in Fig. 5 , and can then select the point Q between points P2 and P5, more typically between P2 and P3.
  • a second A/D 34 can be provided to monitor the voltage of the external power source 50.
  • control unit 30 is an electronic control unit, as detailed further below.
  • the external power source 50 is implemented as one or more cells of a mobile phone, a battery of a laptop computer, one or more cells of an iPad, one or more cells of an iPhone, or one or more cells of other types of portable electronic device.
  • a dedicated external power source assembly (not shown) can be implemented as a plurality of series and/or parallel-connected cells.
  • the switch 35 is closed (ON) automatically by control unit 30, connecting the external power source 50 to the starting battery 10, when the output voltage of the starting battery 10 of the disabled vehicle is less than the reference voltage Q as determined by the control unit 30.
  • the external power source 50 supplies high current (I 2 ) to the vehicle's discharged starting battery 10.
  • the total current (I) is supplied to the starter motor 20 of the vehicle so that the disabled vehicle can be started successfully.
  • the external power source 50 can supply high current (I 2 ) (e.g., 0.1A to 550A) of low voltage (e.g., 0.5V to 12V). More preferably, the high current (I 2 ) is 1A to 50A. The typical period of application of this current is between 0.001 and 30 seconds; more preferably, between 0.001 and 5 seconds.
  • high current (I 2 ) e.g., 0.1A to 550A
  • low voltage e.g., 0.5V to 12V
  • the high current (I 2 ) is 1A to 50A.
  • the typical period of application of this current is between 0.001 and 30 seconds; more preferably, between 0.001 and 5 seconds.
  • control unit, switch 35, and A/Ds 34 and 37 could be provided as a unit adapted to be connected between the vehicle's electrical system (e.g., by plug-in connection to an auxiliary jack) and a portable electronic device such as a mobile phone. In this way power from the battery of the mobile phone could conveniently be added to that of the vehicle starting battery as needed to start a disabled vehicle.
  • the control unit 30 could also be provided with a pair of spring clamps, or the like, for direct connection to the terminals of the starting battery 10.
  • FIG. 2A a second apparatus for jump starting a vehicle is shown.
  • the characteristics of the second apparatus are substantially the same as that of the apparatus of FIG. 2 , except the following:
  • the switch 35 is closed (ON) automatically by control unit 30 when the output voltage of the starting battery 10 of the disabled vehicle is less than the reference voltage Q as determined by the control unit 30.
  • the external power source 50 and the first capacitor 60 then together supply high current (I 2 ) to the vehicle's discharged starting battery 10.
  • the high current (I) is supplied to the starter motor 20 of the vehicle when the primary starting circuit 33 is closed, so that the disabled vehicle can be started successfully.
  • FIG. 2B a third apparatus for jump starting a vehicle is shown.
  • the characteristics of the third apparatus are substantially the same as that of the second apparatus shown in FIG. 2A , except the following:
  • the switch 35 is closed (ON) automatically by control unit 30 when the output voltage of the starting battery 10 of the disabled vehicle is less than the reference voltage Q as determined by the control unit 30.
  • the DC/DC converter 40 and the first capacitor 60 then together supply high current (I 2 ) to the vehicle's discharged starting battery 10.
  • the high current (I) is supplied to the starter motor 20 of the vehicle so that the disabled vehicle can be started successfully.
  • FIG. 2C a fourth apparatus for jump starting a vehicle is shown.
  • the characteristics of the fourth apparatus are substantially the same as that of the second apparatus shown in FIG. 2A except the following:
  • the capacitance of each of the first capacitor 60 and the second capacitor 61 is in the range of 0.01 F to 1,000F depending on the capacity of the external power source 50.
  • the switch 35 is closed (ON) automatically by control unit 30 when the output voltage of the starting battery 10 of the disabled vehicle is less than the reference voltage Q, as determined by the control unit 30.
  • the external power source 50, the first capacitor 60, and the second capacitor 61 then together supply high current (I 2 ) to the vehicle's discharged starting battery 10.
  • the high current (I) is supplied to the starter motor 20 of the vehicle so that the disabled vehicle can be started successfully.
  • FIG. 3 a fifth apparatus of jump starting a vehicle is shown.
  • the characteristics of the fifth apparatus are substantially the same as that of the third apparatus shown in FIG. 2B except the following:
  • FIG. 4 a sixth apparatus for jump starting a vehicle is shown.
  • the characteristics of the sixth apparatus are substantially the same as that of the third apparatus shown in FIG. 2B except the following:
  • FIG. 5 is a chart plotting voltage across the starting battery 10 versus time during a starting process of an operable vehicle.
  • a reference voltage point Q to which the voltage across the starting battery 10 is compared may be chosen from a point beginning at point P2 and ending at point P5 by referring to the specifications of an automobile starting battery, manufacturer, performance and type thereof.
  • the reference voltage point Q is selected such that the method of the invention will be implemented when the voltage across the starting battery 10 has fallen to a point where it is unlikely that the starting battery will be unable to start the engine.
  • the apparatus for jump starting a vehicle may be provided as a part of a vehicle's original equipment or supplied as a kit for retrofitting to existing vehicles.
  • the reference voltage Q may be factory set according to a designated battery/vehicle type and in other examples the reference voltage Q may be set dynamically by the control unit in response to voltages measured across the starting battery in use.
  • the apparatus for jump starting a vehicle enables the connection of an auxiliary/additional power source, referred to herein as an external power source, to the starter motor circuit to provide additional electrical power to the starter motor to start the vehicle if the vehicle's battery is not capable of supplying sufficient power.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Motor And Converter Starters (AREA)
EP13004382.1A 2012-09-07 2013-09-09 Starthilfe für ein Fahrzeug Withdrawn EP2706224A2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TW101132797 2012-09-07
TW101138475 2012-10-18
US13/694,308 US9194357B2 (en) 2012-11-19 2012-11-19 Method for jump starting a vehicle

Publications (1)

Publication Number Publication Date
EP2706224A2 true EP2706224A2 (de) 2014-03-12

Family

ID=49223500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13004382.1A Withdrawn EP2706224A2 (de) 2012-09-07 2013-09-09 Starthilfe für ein Fahrzeug

Country Status (6)

Country Link
EP (1) EP2706224A2 (de)
JP (1) JP2014051979A (de)
CN (2) CN203456938U (de)
MY (1) MY175571A (de)
SG (1) SG2013067772A (de)
TW (2) TWM471098U (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020202159B2 (en) * 2015-10-29 2022-05-26 Dc Solutions Australia Pty Ltd Apparatus for monitoring and assisting a battery

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6319113B2 (ja) * 2015-01-19 2018-05-09 株式会社デンソー 電力制御装置
CN207283184U (zh) * 2015-04-10 2018-04-27 张磊 应急启动装置
JP2017013695A (ja) * 2015-07-03 2017-01-19 アルパイン株式会社 車載装置
CN107404147A (zh) * 2016-05-20 2017-11-28 北京汽车股份有限公司 汽车及其应急启动发电装置
TWI601356B (zh) * 2016-07-05 2017-10-01 遠東科技大學 車用室內救車設備及其方法
WO2018180606A1 (ja) * 2017-03-27 2018-10-04 パナソニックＩｐマネジメント株式会社 車載電源装置およびその車載電源装置が搭載される車両

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2020202159B2 (en) * 2015-10-29 2022-05-26 Dc Solutions Australia Pty Ltd Apparatus for monitoring and assisting a battery

Also Published As

Publication number Publication date
MY175571A (en) 2020-07-01
JP2014051979A (ja) 2014-03-20
CN103683460A (zh) 2014-03-26
TWM471098U (zh) 2014-01-21
SG2013067772A (en) 2014-04-28
CN203456938U (zh) 2014-02-26
TW201418073A (zh) 2014-05-16

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