EP1269595A1 - Dispositif de mise en circuit et hors circuit d'une charge - Google Patents

Dispositif de mise en circuit et hors circuit d'une charge

Info

Publication number
EP1269595A1
EP1269595A1 EP01985927A EP01985927A EP1269595A1 EP 1269595 A1 EP1269595 A1 EP 1269595A1 EP 01985927 A EP01985927 A EP 01985927A EP 01985927 A EP01985927 A EP 01985927A EP 1269595 A1 EP1269595 A1 EP 1269595A1
Authority
EP
European Patent Office
Prior art keywords
control device
switching element
load
voltage
cfl
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Withdrawn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
EP01985927A
Other languages
German (de)
English (en)
Inventor
Roland Mauser
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.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
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 DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1269595A1 publication Critical patent/EP1269595A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02—Details
    • H02H3/025—Disconnection after limiting, e.g. when limiting is not sufficient or for facilitating disconnection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/087—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current for dc applications
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/24—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage

Definitions

  • the invention relates to a device for disconnecting and switching a load, in particular a consumer in a vehicle.
  • a vehicle comprises at least one electrical system and a control device for controlling the respective consumer.
  • the vehicle electrical system usually has a fuse, which in the event of a short circuit, e.g. in the wiring, or is triggered by a defect in the consumer.
  • a fuse which in the event of a short circuit, e.g. in the wiring, or is triggered by a defect in the consumer.
  • the invention is therefore based on the object of specifying a device for disconnecting and switching a load, with which it is possible to insert a fuse or other plug without the occurrence of an arc.
  • the object is achieved according to the invention by a device for disconnecting and switching a load with a control device and with a switching element arranged between an on-board electrical system and the load, which is connected to the control device, and with an input provided for the control device between the on-board electrical system and the switching element for monitoring at least one voltage limit value, the control device deactivating the switching element when the voltage falls below a first voltage limit value.
  • the use of a switching element provides a particularly simple device which can also be retrofitted into existing systems in a vehicle without great effort.
  • the control device or the control device preferably deactivates the switching element when the voltage from the vehicle electrical system, which is tapped at the input before the switching element, falls below the first voltage limit value, in particular a value of less than 2V.
  • the first voltage limit value in particular a value of less than 2V.
  • a corresponding first voltage limit value can be set in the control device.
  • the first voltage limit value is then compared by means of the control device with the voltage value present at the input. If the voltage value measured at the input is less than or equal to the first voltage limit value, the switching element is deactivated by means of the control device.
  • the control device expediently activates the switching element when a second voltage limit value is exceeded.
  • a value corresponding to the respective supply voltage is preferably specified as the second voltage limit value.
  • a value of greater than 30V is set as the second voltage limit.
  • the switching element is preferably activated after a predeterminable time has elapsed or when a function request is present. For example, after the fuse has been inserted and the second voltage limit value has been exceeded at the input of the control device and when the vehicle is restarted, the switching element is activated on the basis of the position of the ignition lock. Alternatively or additionally, the switching element is switched on after the fuse has been inserted and the second voltage limit value has been exceeded at the input Control device and activated after a predetermined time.
  • a semiconductor element or a relay is expediently provided as the switching element.
  • Electronic analog switches such as diodes, bipolar transistors, field-effect transistors, which enable fast and precise switching, are used as semiconductor elements, for example.
  • semiconductor switching elements are provided on account of the high switching frequencies.
  • the switching element can be switched with a time delay when the second voltage limit value is exceeded. This ensures that the control device is first supplied with voltage before the load is switched, so that the criteria required for switching the load are checked by the control device. In other words: Is there a voltage at the input of the control device that characterizes the safe operation of the voltage supply, i.e. If the value is above the second voltage limit, the load is only switched by activating the switching element after a predetermined time has elapsed. The occurrence of an arc is thus reliably avoided.
  • the advantages achieved by the invention consist in particular in that, based on the continuous monitoring of the voltage from the on-board electrical system, an undershoot of a critical voltage limit value is determined, by means of which the switching element is deactivated by means of the control device until a normal voltage level of the on-board electrical system is detected.
  • This ensures that a fault in the vehicle electrical system which causes the critical voltage value and which triggers the fuse can be remedied by plugging in the plug connections or the fuse without causing an arc.
  • This is also ensured if the load is still switched on that the branch between the vehicle electrical system and the load is separated by means of the switching element. This also avoids costly disconnection of the supply battery.
  • the control device automatically enables the switching element after the fault has been rectified.
  • FIG. 1 schematically shows a device for disconnecting and switching a load with a control device and a
  • FIG 2 schematically shows a device according to Figure 1, with a common power supply for the load and
  • FIG 3 schematically shows an alternative device according to FIG
  • FIG. 1 shows a device 1 for disconnecting and switching a load 2, for example a motor or a pump.
  • the consumer or the load 2 is switched by means of a control device 4.
  • the load 2 and the control device 4 are fed by two separate voltage supplies 6 and 8, respectively.
  • an associated securing element 10 or 12 is provided in each case.
  • the control device 4 is, for example, a control device which is separate from the voltage supplies 6 and 8 and which is assigned to the load 2 concerned in order to control it.
  • the voltage supplies 6 and 8 can be designed as so-called on-board networks with different voltages, for example for electrical consumers with low output, such as the control device, a 14 V electrical system and for electrical consumers with high output, such as an electric motor, with a 42 V electrical system.
  • P P- P s P P P ⁇ P s: CL P DJ P P ⁇ 3 ⁇ ⁇ P

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Relay Circuits (AREA)
  • Control Of Voltage And Current In General (AREA)

Abstract

Dispositif (1) de mise en circuit et hors circuit d'une charge (2) qui permet l'enfichage sûr d'un coupe-circuit ou d'une fiche mâle sans création d'un arc électrique. Selon la présente invention, ledit dispositif comporte un moyen de commande (4) et un élément de commutation (14) placé entre une alimentation en tension (6) et la charge (2) et connecté au moyen de commande (4). Une entrée (16) pour le moyen de commande (4), placée entre l'alimentation en tension (6) et l'élément de commutation (14), sert à la surveillance d'au moins une valeur limite de tension, et le moyen de commande (4) désactive l'élément de commutation (14) en cas de dépassement d'une première valeur limite de tension.
EP01985927A 2001-02-07 2001-12-22 Dispositif de mise en circuit et hors circuit d'une charge Withdrawn EP1269595A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10105457 2001-02-07
DE10105457A DE10105457A1 (de) 2001-02-07 2001-02-07 Vorrichtung zum Trennen und Schalten einer Last
PCT/EP2001/015293 WO2002063738A1 (fr) 2001-02-07 2001-12-22 Dispositif de mise en circuit et hors circuit d'une charge

Publications (1)

Publication Number Publication Date
EP1269595A1 true EP1269595A1 (fr) 2003-01-02

Family

ID=7673110

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01985927A Withdrawn EP1269595A1 (fr) 2001-02-07 2001-12-22 Dispositif de mise en circuit et hors circuit d'une charge

Country Status (5)

Country Link
US (1) US20040100236A1 (fr)
EP (1) EP1269595A1 (fr)
JP (1) JP2004518398A (fr)
DE (1) DE10105457A1 (fr)
WO (1) WO2002063738A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100431083C (zh) * 2006-04-13 2008-11-05 温州市自豪特种机电有限公司 远程控制跌落式熔断器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10132952B4 (de) * 2001-07-06 2006-03-09 Leoni Bordnetz-Systeme Gmbh & Co Kg Verfahren zum Schutz eines Leitungsnetzes bei Auftreten eines seriellen Lichtbogens
DE10333674B4 (de) * 2003-07-24 2015-07-23 Bayerische Motoren Werke Aktiengesellschaft Lichtbogenüberwachungssystem in einem Bordnetz
SE0401321D0 (sv) * 2004-05-25 2004-05-25 John Aakerlund Elektronisk stickpropp och adapterkabel, samt generellt elektroniskt brytelement i väggströmställare och elektroniska säkringar med överströmskydd för allström mm

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Publication number Priority date Publication date Assignee Title
GB1398892A (en) * 1972-06-05 1975-06-25 Mitsubishi Electric Corp Power switching apparatus
DK10878A (da) * 1978-01-10 1979-07-11 Silcon A S Kredsloeb til selektiv udkobling fra en stroemforsyningskilde af en defekt blandt via sikringer paralelforbindne forbrugere af elektrisk stroem
US4672294A (en) * 1986-01-24 1987-06-09 Peter Norton Dual battery system with improved overvoltage protection
JP2705331B2 (ja) * 1991-02-27 1998-01-28 三菱電機株式会社 ヒューズ断検出回路
JP3274364B2 (ja) * 1996-08-14 2002-04-15 株式会社東芝 半導体装置及びヒューズチェック方法
JPH10257681A (ja) * 1997-03-13 1998-09-25 Sony Corp 充電装置及び充電方法、並びに２次電池装置
JP3740793B2 (ja) * 1997-06-11 2006-02-01 ソニー株式会社 ２次電池パック
JP3658503B2 (ja) * 1998-07-03 2005-06-08 株式会社日立製作所 乗物の電力供給装置及び集約配線装置
JP3441672B2 (ja) * 1999-04-22 2003-09-02 株式会社オートネットワーク技術研究所 自動車用電源監視装置
US6288881B1 (en) * 1999-08-17 2001-09-11 John A. Melvin Battery voltage regulator protection circuits
US6583977B1 (en) * 1999-10-27 2003-06-24 Motorola, Inc. Zipper fuse
US6633475B2 (en) * 2001-06-22 2003-10-14 Robert Bosch Corporation High side supply shut down circuit

Non-Patent Citations (1)

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Title
See references of WO02063738A1 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100431083C (zh) * 2006-04-13 2008-11-05 温州市自豪特种机电有限公司 远程控制跌落式熔断器

Also Published As

Publication number Publication date
US20040100236A1 (en) 2004-05-27
JP2004518398A (ja) 2004-06-17
DE10105457A1 (de) 2002-08-08
WO2002063738A1 (fr) 2002-08-15

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