WO2015178516A1 - Dispositif de commande de puissance pour engin de chantier - Google Patents

Dispositif de commande de puissance pour engin de chantier Download PDF

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Publication number
WO2015178516A1
WO2015178516A1 PCT/KR2014/004476 KR2014004476W WO2015178516A1 WO 2015178516 A1 WO2015178516 A1 WO 2015178516A1 KR 2014004476 W KR2014004476 W KR 2014004476W WO 2015178516 A1 WO2015178516 A1 WO 2015178516A1
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WO
WIPO (PCT)
Prior art keywords
switch
construction machine
battery
control unit
power
Prior art date
Application number
PCT/KR2014/004476
Other languages
English (en)
Korean (ko)
Inventor
박중호
민경모
Original Assignee
볼보 컨스트럭션 이큅먼트 에이비
박중호
민경모
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 볼보 컨스트럭션 이큅먼트 에이비, 박중호, 민경모 filed Critical 볼보 컨스트럭션 이큅먼트 에이비
Priority to PCT/KR2014/004476 priority Critical patent/WO2015178516A1/fr
Publication of WO2015178516A1 publication Critical patent/WO2015178516A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/24—Safety devices, e.g. for preventing overload
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries

Definitions

  • the present invention relates to a power supply control device for construction machinery, and more particularly, when the construction machine is in a dangerous situation due to the start of the construction machine is not turned off or a fire, by cutting off not only the engine power but also the battery at the same time,
  • the present invention relates to a power supply control device for a construction machine that can completely stop starting.
  • an emergency stop switch used to urgently stop the operation of all the systems or the equipment in an emergency or emergency in addition to the main switch for switching the power on and off. Equipped with.
  • the operator detects a risk of electrical damage or a malfunction due to an overload of the mechanical equipment or determines that there is a serious problem in operation, the operator can operate the emergency stop switch to quickly stop the operation of the mechanical equipment to protect the mechanical equipment.
  • Such an emergency stop switch is to be installed adjacent to the operator operating the mechanical equipment because the operator must be able to operate quickly and easily.
  • an emergency stop switch is installed and operated in construction machinery such as an excavator.
  • the emergency stop switch installed in the construction machinery was used to simply turn off the power of the engine electronic control unit (ECU) that controls the engine operation.
  • ECU engine electronic control unit
  • the engine ECU power is cut off and the engine is stopped, but the battery, which is one of the power sources, is not cut off, and thus the risk of short remains as it is. Will be.
  • the main reason why the battery could not be cut off is that all battery cut-off switches have been mechanical until now, and the battery could not be cut off by the electric circuit.
  • the present invention has been made to solve the problems of the prior art as described above, the object of the present invention is when the construction machine is in a dangerous situation due to the start of the construction machine is not turned off or fire, as well as the engine power supply battery By simultaneously cutting off, it is to provide a power supply control device for construction machinery that can completely stop the start of the construction machinery.
  • the present invention the first electronic control unit for controlling the engine drive; A first switch electrically connected to the first electronic controller to cut off power applied to the first electronic controller; And a second switch electrically connected between the first electronic control unit and the battery and installed on a line connecting the first electronic control unit and the first switch to turn on / off the battery.
  • the second switch is linked to the operation of the first switch provides a power supply control device for a construction machine, characterized in that for cutting off the battery (cut off).
  • the electronic device may further include a second electronic control unit electrically connected to the second switch to control the second switch.
  • the second electronic controller may be electrically connected to the second switch through the first switch.
  • a third switch electrically connected to the second electronic controller to apply a signal for turning on / off the second switch to the second electronic controller.
  • the electronic device may further include a fourth switch electrically connected to the second electronic controller to apply a driving signal to the second electronic controller.
  • the construction machine by electrically connecting the EBDS (electrical battery disconnect switch) for turning the battery on and off with an electrical signal between the battery and the emergency stop switch, for example, the construction machine is not started or due to fire, etc. Is in a dangerous situation, that is, when an emergency situation occurs in the construction machine, by operating the emergency stop switch to cut off not only the engine power but also the battery at the same time, it is possible to completely stop the start of the construction machine.
  • EBDS electrical battery disconnect switch
  • FIG. 1 is a block diagram showing a power control device for a construction machine according to an embodiment of the present invention.
  • the construction machine power control device 100 is installed in a construction machine, such as an excavator, for example, construction machinery due to the start of the construction machine is not turned off or fire, etc. Is a control device that cuts off the power applied to operate the construction machine so that the start of the construction machine is completely stopped when an emergency situation occurs in the construction machine, such as when a dangerous situation.
  • the construction machine power control device 100 is formed to include a first electronic control unit 110, the first switch 120 and the second switch 130.
  • the first electronic controller 110 is provided as an engine ECU (electronic control unit) for controlling the engine driving of the construction machine.
  • the first electronic control unit 110 is operated when power is applied to drive the engine or stop the engine.
  • the first switch 120 is electrically connected to the first electronic controller 110.
  • the first switch 120 is electrically connected to the first electronic controller 110 through the second switch 130.
  • the first switch 120 is provided as an emergency stop switch. Accordingly, when an emergency situation occurs in the construction machine, the driver operates the first switch 120 to stop the engine. That is, when the engine is driven, the terminal a and the terminal A of the first switch 120 are connected, but when the first switch 120 is operated by the driver's operation and the terminal a and the terminal A are separated, The power applied to the electronic controller 110 is cut off to stop the engine.
  • the second switch 130 is electrically connected between the first electronic controller 110 and the battery 10.
  • the second switch 130 is installed on a line connecting the first electronic controller 110 and the first switch 120.
  • the second switch 130 is provided as an electric battery disconnect switch (EBDS) for electrically turning on / off the battery 10. Accordingly, when the power supply to the first electronic controller 110 is cut off through the driver's first switch 120 operation, that is, when the first switch 120 is operated, the first switch 120 is electrically connected to the first switch 120.
  • the second switch 130 which is connected to the first switch 120 is linked to the operation of the first switch 120 to cut off the battery 10.
  • the battery 10 may be blocked at the same time through the first switch 120 which is an emergency stop switch and the second switch 130 interlocked with the operation thereof. This double shut-off makes it possible to stop the construction machine immediately and completely.
  • the battery 10 is circuitically separated through the second switch 130 when the first switch 120 is operated, thereby reducing a risk of short generation.
  • the second switch 130 is controlled by the on / off switching operation by the second electronic controller 140 electrically connected thereto via the first switch 120. That is, in normal construction equipment operation, the second switch 130 controls the on / off switching operation by the second electronic control unit 140 to transfer the battery 10 to the power control device 100. Connect or disconnect circuits.
  • the second switch 130 is interlocked with the operation of the first switch 120, that is, switched to the off state when the first switch 120 is operated so that the battery
  • the circuit 10 is circuit-separated from the power supply control device 100.
  • the second switch 130 serves to cut off the power applied to the power control device 100 from the battery 10.
  • the second electronic controller 140 detects an electrical signal applied from the third switch 150 electrically connected thereto, that is, a signal for turning on / off the second switch 130.
  • the on / off switching operation of the second switch 130 is controlled based on the detected signal.
  • the third switch 150 is provided as a main switch.
  • the second electronic controller 140 turns on the second switch 130, and accordingly, the second switch 130.
  • the power of the battery 10 is applied to the first electronic controller 110 from the battery 10.
  • the second electronic controller 140 turns off the second switch 130, and thus, the second switch.
  • the battery 10 electrically connected to the 130 is separated from the power control device 100 by a circuit, and as a result, the power applied from the battery 10 to the first electronic controller 110 is cut off. Accordingly, engine driving controlled by the first electronic controller 110 is stopped.
  • the electrical circuit connection and disconnection of the battery 10 through the on / off switching operation of the third switch 150 may operate or stop the construction machine during normal construction machine operation. Under the circumstances. On the contrary, in case of an emergency situation in which the engine of the construction machine needs to be stopped immediately and completely, the switching operation of the first switch 120 which is an emergency stop switch and the second switch 130 which is an EBDS provided to be linked to the operation thereof. Through the electrical circuit separation of the battery 10 is made.
  • the fourth switch 160 is installed on a line connecting the second switch 130 and the first electronic controller 110.
  • the fourth switch 160 is provided as a start switch.
  • the fourth switch 160 is turned on by the driver's operation, power generated from the battery 10 is applied to the first electronic controller 110, and accordingly, the first electronic controller 110 is applied. The engine controlled by) is driven.
  • the fourth switch 160 is electrically connected to the second electronic controller 140. Accordingly, when the fourth switch 160 is turned on by the driver's operation, the battery 10 power is applied to the first electronic controller 110, and the second electronic controller 140 is applied to the second electronic controller 140. Driving signals such as key on and cranking signals are applied. As a result, the corresponding part of the construction machine controlled by the second electronic controller 140 is driven.
  • a fuse 170 may be installed on the line electrically connecting the second switch 130 and the fourth switch 160 to cut off the overcurrent.
  • the second electronic controller 140 turns on the second switch 130 provided with the EBDS, and thus, the battery 10 Is electrically connected to the power supply control device 100. Then, when the driver turns on the fourth switch 160, which is a start switch, the construction machine is keyed on and cranked to be in an operable state.
  • the fourth switch 160 which is the start switch is turned off for the operation or the end of the work of the construction machine, for example, the start does not turn off or a fire occurs in the construction machine.
  • the emergency switch such as an emergency stop switch
  • the power of the first electronic controller 110 is cut off and at the same time the second switch 130 of the EBDS is turned off.
  • the battery 10 is cut off and separated into circuits.
  • the power supply control apparatus 100 for a construction machine is an EBDS that is electrically connected to the first switch 120, which is an emergency stop switch, and an operation thereof.
  • the first switch 120 which is an emergency stop switch, and an operation thereof.
  • the engine power applied to the first electronic controller 110 is cut off, and the battery 10 is also electrically disconnected to completely cut off the power applied from the battery 10. Can be.
  • the start of the construction machine can be stopped immediately and completely, and the risk of short circuit occurring when the battery 10 is not cut off can be reduced.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Power Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (AREA)

Abstract

La présente invention concerne un dispositif de commande de puissance pour un engin de chantier et, plus spécifiquement, un dispositif de commande de puissance pour un engin de chantier qui peut arrêter complètement l'activation de l'engin de chantier en arrêtant non seulement la puissance d'un moteur de celui-ci, mais également une batterie de celui-ci de manière simultanée quand l'activation de l'engin de chantier n'est pas éteinte ou quand l'engin de chantier se trouve dans une situation dangereuse due au feu, etc. À cet effet, la présente invention concerne un dispositif de commande de puissance pour un engin de chantier comportant : une première unité de commande électronique servant à commander l'entraînement d'un moteur ; un premier commutateur, connecté électriquement à la première unité de commande électronique, servant à arrêter la puissance appliquée au niveau de la première unité de commande électronique ; et un deuxième commutateur, connecté électriquement entre la première unité de commande électronique et une batterie et installé sur une ligne reliant la première unité de commande électronique et le premier commutateur, servant à activer/désactiver la batterie, dans lequel le deuxième commutateur est enclenché par interverrouillage avec un fonctionnement du premier commutateur, pour ainsi couper la batterie.
PCT/KR2014/004476 2014-05-20 2014-05-20 Dispositif de commande de puissance pour engin de chantier WO2015178516A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/004476 WO2015178516A1 (fr) 2014-05-20 2014-05-20 Dispositif de commande de puissance pour engin de chantier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2014/004476 WO2015178516A1 (fr) 2014-05-20 2014-05-20 Dispositif de commande de puissance pour engin de chantier

Publications (1)

Publication Number Publication Date
WO2015178516A1 true WO2015178516A1 (fr) 2015-11-26

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Family Applications (1)

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PCT/KR2014/004476 WO2015178516A1 (fr) 2014-05-20 2014-05-20 Dispositif de commande de puissance pour engin de chantier

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WO (1) WO2015178516A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011021880A2 (fr) * 2009-08-21 2011-02-24 주식회사 레오모터스 Système et procédé pour empêcher une charge excessive ou une décharge excessive de batteries
WO2012011618A1 (fr) * 2010-07-21 2012-01-26 볼보 컨스트럭션 이큅먼트 에이비 Système d'arrêt d'urgence pour excavatrice hybride
WO2012173408A2 (fr) * 2011-06-17 2012-12-20 주식회사 유라코퍼레이션 Appareil de commande d'ensemble relais électrique et procédé de commande de celui-ci
WO2012173348A2 (fr) * 2011-06-13 2012-12-20 한국항공우주연구원 Système d'alimentation électrique ayant une fonction de coupure d'urgence de l'alimentation électrique
US20130116876A1 (en) * 2010-07-09 2013-05-09 V-Ens Co., Ltd. Electric vehicle and method for controlling emergency thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011021880A2 (fr) * 2009-08-21 2011-02-24 주식회사 레오모터스 Système et procédé pour empêcher une charge excessive ou une décharge excessive de batteries
US20130116876A1 (en) * 2010-07-09 2013-05-09 V-Ens Co., Ltd. Electric vehicle and method for controlling emergency thereof
WO2012011618A1 (fr) * 2010-07-21 2012-01-26 볼보 컨스트럭션 이큅먼트 에이비 Système d'arrêt d'urgence pour excavatrice hybride
WO2012173348A2 (fr) * 2011-06-13 2012-12-20 한국항공우주연구원 Système d'alimentation électrique ayant une fonction de coupure d'urgence de l'alimentation électrique
WO2012173408A2 (fr) * 2011-06-17 2012-12-20 주식회사 유라코퍼레이션 Appareil de commande d'ensemble relais électrique et procédé de commande de celui-ci

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