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WO2004048844A1 - Commutateur et systeme d'urgence - Google Patents

Commutateur et systeme d'urgence Download PDF

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Publication number
WO2004048844A1
WO2004048844A1 PCT/AU2003/001577 AU0301577W WO2004048844A1 WO 2004048844 A1 WO2004048844 A1 WO 2004048844A1 AU 0301577 W AU0301577 W AU 0301577W WO 2004048844 A1 WO2004048844 A1 WO 2004048844A1
Authority
WO
WIPO (PCT)
Prior art keywords
emergency
operator
activation
safety switch
switch system
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.)
Ceased
Application number
PCT/AU2003/001577
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English (en)
Inventor
Bernard James Harris
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
Application filed by Individual filed Critical Individual
Priority to AU2003283119A priority Critical patent/AU2003283119A1/en
Publication of WO2004048844A1 publication Critical patent/WO2004048844A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D75/00—Accessories for harvesters or mowers
    • A01D75/20—Devices for protecting men or animals
    • 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
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/14—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger operated upon collapse of driver
    • 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
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/16—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger operated by remote control, i.e. initiating means not mounted on vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
    • F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
    • F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
    • F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact

Definitions

  • This invention relates to an emergency safety switch and system for use by operators of moving, rotating or reciprocating machinery or vehicles. It is particularly related to an emergency safety switch and system for use by operators of tractors in farms and the like where the operator is often acting alone in a large area.
  • a non- contact operator presence sensor in which a power machine includes a frame and a plurality of power actuators operable coupled to the frame.
  • a power circuit is coupled to the power actuators and provides power to the power actuators.
  • a cab is operably coupled to the frame and defines an operator compartment.
  • the cab includes a seat supported in the operator compartment.
  • a non-contact operator presence sensor is coupled proximate the cab and is configured to sense presence of an occupant in a predefined volume proximate the seat. The operator presence sensor provides a sensor output signal indicative of operator presence.
  • a controller is coupled to the operator presence sensor and is configured to control operation of at least one of the plurality of power actuators based on the sensor output signal.
  • a human response apparatus and method Responses of a human subject may be by voice, hand or foot movement, or bodily secretions, as examples.
  • a hiatus of such responses may be termed a lapse in the continuity of the response, including a hesitation pause in the voice, a movement of hand or foot on a monitored control of a motor vehicle or vehicle simulator, or pulsatile bodily secretions on a monitored control of an implantable insulin pump.
  • the hesitation pause may be more than about one second in the voice of a subject during a dialogue or monologue.
  • the hiatus rate of such responses is indicated by the present apparatus, as is the average hiatus duration for two or more hiatus rates.
  • the dominant hiatus rate is also determined and indicated.
  • a microprocessor is utilized in such determination.
  • the problem with this system is that it requires predetermined features to be defined and approximated of the intended user so that automatic operation occurs when those estimated features are detected. In essence therefore the machine is stating if you require an action and not the operator. Although such is required in man fields it does not fulfil the need of emergency action.
  • US Patent No 5,450, 525 discloses a vehicle accessory control with manual and voice response.
  • a voice controlled vehicle accessory system is responsive to voice commands and/or manual commands, wherein the manual commands are entered via a single pushbutton having multiple functions depending upon the instantaneous state of a system controller.
  • the present invention provides an accessory control, which avoids false activation of the system by the voice recognition unit while improving accessibility of the accessory to a user, by providing manual control.
  • the problem with this system is that it is only related to accessories on the vehicle while the operator is driving the vehicle. It is therefore only controlling non-essential equipment such as radios, air conditioners or the like. It does not provide an emergency structure.
  • a vehicle control and theft deterrent with remote transmitter there is disclosed a motor vehicle control system having a vehicle control unit located in the motor vehicle and a hand held portable control unit, which are in two-way communication.
  • the vehicle control unit which is located in the motor vehicle includes a receiving antenna, a receiver, a decoder and a plurality of functional control circuits, with each control circuit for a respective functional operation of the motor vehicle such as ignition, starter activation, heater, air conditioner, door locks, etc.
  • the control unit in the motor vehicle also includes a transmitter and a scanner unit which has a like plurality of sensors for sensing the condition of the various functional operations such as the ignition, engine operation, air conditioner status, heater status, etc.
  • the control unit transmits a radio frequency signal to the remote control unit, which indicates the condition of the sensed operations.
  • the remote control unit has an antenna and receiver with an audio amplifier and speaker.
  • the remote unit has a standard keypad in circuit to an encoder to produce a signal that is applied to the transmitter for transmission to the vehicle control unit.
  • the motor vehicle control unit has a voice synthesizer to generate a voice signal that is transmitted to the remote control unit, and most preferably has a digital voice recorder, permitting the user to customize the unit to repeat any selected message. This is particularly of value to adapt the system for foreign language users. This system provides security for the vehicle when locked and unattended but does not control operation in any emergency sense.
  • an emergency safety switch system for use by an operator of moving, rotating or reciprocating machinery or vehicles including: an activation means having an emergency activation mechanism that is attachable to the operator and readily activated by the operator in the case of emergency; an emergency control means in operative connection with the moving, rotating or reciprocating machinery or vehicle being controlled by the operator and which can override the normal operation to instigate an emergency control action; a communication means for communicating between the activation means and the emergency control means; wherein in the case of an emergency the operator at any position in or around the moving, rotating or reciprocating machinery or vehicle being operated, the operator can issue an emergency signal by activating the emergency activation mechanism attachable to the operator and the emergency signal is received by the emergency control means to instigate the emergency control action.
  • an emergency safety switch for use by an operator of moving, rotating or reciprocating machinery or vehicles including: an activation means having an emergency activation mechanism that is attachable to the operator and readily activated by the operator in the case of emergency; and a communication means for transmitting an activated emergency signal from the activation means to an emergency control means which can be in operative connection with the moving, rotating or reciprocating machinery or vehicle being controlled by the operator and which can override the normal operation to instigate an emergency control action; wherein in the case of an emergency the operator at any position in or around the moving, rotating or reciprocating machinery or vehicle being operated, the operator can issue an emergency signal by activating the emergency activation mechanism attachable to the operator and the emergency signal is received by the emergency control means to instigate the emergency control action.
  • the invention also provides An emergency safety switch system on a tractor allowing movability of the driver away from the driver location while the tractor is still operative, the safety switch system including: the tractor having a drive control and an emergency control means in operative connection with the drive control and which can override the normal operation of the drive control when an emergency activation occurs; a portable activation means having an emergency activation mechanism that is attachable to or carried by the operator and readily activated hands free by the operator for providing the emergency activation in the case of emergency; a communication means for communicating between the activation means and the emergency control means; wherein in the case of an emergency the operator at any position in or around the tractor being operated, the operator can issue an emergency signal by activating the emergency activation mechanism attachable to the operator and the emergency signal is received by the emergency control means to instigate the emergency control action.
  • the invention provides a portable unit able to be with the operator at all times whether in the control room or alighting the vehicle or checking part of the machinery or vehicle.
  • the device allows the emergency operation by the operator regardless of whether the vehicle or machinery or operator has been sensed to be in an emergency situation.
  • the activation means having an emergency activation mechanism can be a voice activated means that is attachable to the operator. This can be readily activated by the operator in the case of emergency by discerning a particular instructing word such as "STOP" or "HELP". The loudness of the voice could be the instructing signal such that a shout or scream above a certain decibel rating will be identified and acted upon. It is also possible to incorporate a word structure that is not usually used so as to avoid accidental activation of the emergency means. In this way the words "STOP NOW" have a distinctive sound and distinctive rising of the voice and on the first word and lowering on the second. Various audio cues could therefore be used and interpreted through voice interpretation software.
  • Another means of activation is by a physical means located on the operator.
  • a button system on the wrist of the operator or a belt or otherwise located on the operator. In the case of loud working environments the operator can readily instigate the emergency action by activating the button.
  • the activation means is mountable on the operator in a position close to the mouth. This can be an extension of a head mounted structure.
  • the activation means is a unit mounted on the front of the operator's top torso clothing such as on a collar or between opposing collars.
  • Another form has a necklace type structure but having a length which does not dangle as such would cause injuries if close to machinery. It can be seen that an important aspect is the location of the activation means on the operator. This is different to the usual operating means of the moving, rotating or reciprocating machinery or vehicle being operated where the controls will be in the control cabin or otherwise on the machinery or vehicle.
  • the activation means can further include a higher risk input assessor.
  • the assessor could determine that the operator is entering a higher risk area such as leaving the control cabin and thereby lessen the requirements for activation. This could be that a double signal is required when in the cabin such as two instructing words if it is a voice activation system or two depressions of the button if a mechanical switch activation system. In this way the accidental depression of the button or accidental use of the instructing word in the control cabin will not accidentally activate the emergency action. Instead a first signal is received from a locator sensor and upon the receipt of a second signal from the activation means worn by the operator who is now away from the normal controls will immediately instigate emergency action.
  • the emergency control means which is in operative connection with the moving, rotating or reciprocating machinery or vehicle being controlled by the operator, can be a secondary switch in the normal controls to switch off the machine or vehicle.
  • the control action could include other actions or be a distinctly different operating action.
  • the emergency control action could be to stop the progress of the machine or vehicle and to partially reverse the normal action.
  • the emergency control action can be to stop the progress of the tractor so that the harvesting mechanism does not shred the operator while also performing a partial reversal of direction so that the tractor reverses off the operator.
  • the emergency control action can be to stop the machine to prevent the cutting of a limb of the operator accidentally in the mechanism while further partially reversing the normal operation so the operator can remove the limb from the machinery.
  • the emergency control action can also instigate an alarm signal to be sent to a siren for communicating audibly the emergency condition.
  • the alarm signal could instead of or as well be transmitted by radio transmission or otherwise to a control base for instigating follow up emergency actions.
  • the communication means for communicating between the activation means and the emergency control means can be a radio communication means with a transmitter incorporated in or associated with the activation means and a receiver means incorporated in or associated with the emergency control means.
  • Other types of transmission apart from radio waves can be used particularly if the operating conditions include other radio signals that might cause interference.
  • Figure 1 is a diagrammatic view of an emergency safety switch and system in accordance with a first embodiment of the invention with the safety switch being mounted on the chest of the user such as by necklace;
  • Figure 2 is a schematic view of the transmitter of the emergency safety switch and system of Figure 1; and Figure 3 is a schematic view of the receiver of the emergency safety switch and system of Figure 1 ; and
  • Figure 4 is a diagrammatic view of an emergency safety switch and system for a tractor in accordance with a second embodiment of the invention with the safety switch being mounted on the head of the user such as by ear muffs.
  • an emergency safety switch system for use by an operator of moving, rotating or reciprocating machinery or vehicles.
  • the system includes an activation means, an emergency control means and a communication means linking the two.
  • the activation means has an emergency activation mechanism that is attachable to the operator and readily activated by the operator in the case of emergency.
  • the emergency control means is in operative connection with the moving, rotating or reciprocating machinery or vehicle being controlled by the operator and which can override the normal operation to instigate an emergency control action.
  • the communication means for communicating between the activation means and the emergency control means. In the case of an emergency the operator, at any position in or around the moving, rotating or reciprocating machinery or vehicle being operated, can issue an emergency signal by activating the emergency activation mechanism attachable to the operator and the emergency signal is received by the emergency control means to instigate the emergency control action.
  • the emergency safety switch comprises an electronic device which allows the operator of moving, rotating or reciprocating machinery to immediately stop the machine by in one form the pressing of a button or in another form giving a loud audible command provided that the operator is within a required radius such as within 20 metres from the controls.
  • the activation means is a necklace type structure but having a length which does not dangle as such would cause injuries if close to machinery.
  • This form could be operative by pressing of a button or voice command.
  • the activation means is a heads mounted structure such as integral with ear muffs that are required to be worn by operators of tractors or the like as a matter of health and safety. In this way the activation means is always with the operator.
  • This form of activation means uses voice command and also has the benefit of maintaining a set distance from the operator's mouth to enable ready calibration of the voice signal type and strength.
  • the emergency safety switch and system consists of two separate parts as follows: Part i
  • a transmitter unit is mounted on the operator's body and consists of a microphone and an electronic circuit that senses the operator's audible command and activates a coded radio transmitter, this circuit also includes a filter which filters out most of the mechanical noises picked up by the microphone during normal operation of the machinery.
  • a mechanical switch is included which, when pressed, also activates the coded radio transmitter. When activated the radio transmitter emits a series of coded signals over a period of time.
  • the transmitter unit is powered by dry cells and housed in a weatherproof casing which can be hung around the neck, worn on the wrist or attached to glasses or ear muffs or any other mounting point.
  • a receiver unit is mounted on the machine or implement being controlled and consists of a radio receiver and an electronic circuit which, when it receives the coded radio signal (Alarm condition), immediately acts to close an operating switch so as to disable the machine or implement being controlled and sound a loud audible alarm designed to alert humans and set dogs barking.
  • the electronic circuit incorporates a decoder circuit to reject all transmissions except those with the exact code thus reducing the incidence of false alarms from other transmissions on the same frequency.
  • the switch When installed, the switch is wired into the electrical circuit of the machine or implement such that if a contact closure or opening occurs the engine is immediately stopped and remains stopped until the ignition key or start switch on the implement or machinery is switched to the OFF position.
  • the receiver unit is powered by the battery supply in the machine or implement or other power supply and connected such that power is supplied at all times to the receiver unit.
  • the unit is wired to provide a fail safe condition to occur if the power to the receiver unit is interrupted at any time.
  • a transmitter PRESS BUTTON SWITCH is located on the transmitter housing and enables the operator to initiate the transmitter as required by a single press of the button. This action changes the state of one of the inputs of an "OR" gate which is biased to the zero state by RESISTOR Rl and activates a STANDBY SWITCH circuit which immediately switches on power to the Vss bus activating all other circuitry contained in the TRANSMITTER section.
  • the purpose of the STANDBY SWITCH is to conserve battery power when the Transmitter is not transmitting.
  • the MICROPHONE is continuously operating and is powered via resistor R2, it converts the audio sound pressure incident on its diaphragm to an electrical signal which is fed into the PRE AMPLIFIER which amplifies the electrical signal to a suitable level for further processing.
  • the output from the PRE AMPLIFIER is fed to the BAND PASS FILTER which filters out most of the background noise from the signal and passes the voice band frequencies through to the STANDBY SWITCH which monitors the level of sign from the BAND PASS FILTER and, when it exceeds a predetermined level immediately switches on power to the Vss bus activating all other circuitry contained in the Transmitter section.
  • the output from the BAND PASS FILTER is also fed to the POST AMPLIFIER which amplifies the filtered signal up to a level suitable for the DURATION AND LEVEL SENSING circuit.
  • the DURATION AND LEVEL SENSING circuit tests the signal for a minimum duration and minimum signal level and if both are exceeded provides a signal to change the state of the second input of the "OR" gate.
  • the "OR” gate sends a pulse to the MONOSTABLE causing it to trigger its output for a period of time and initiate the ENCODER circuit for the duration of the pulse.
  • the ENCODER CIRCUIT produces a continuously encoded output which can be preset to a variety of digital code sequences by altering the on or off states of the 5 WAY DIP SWITCH.
  • the ENCODER CIRCUIT output is fed to the TRANSMITTER SWITCH which switches the R.F. TRANSMITTER on and off to produce a series of bursts of R.F. energy at the antenna outpoint point in strict accordance with the encoded signal.
  • the antenna output point is connected to the ANTENNA which radiates the energy as an electromagnetic field.
  • the duration of the output pulse from the MONOSTABLE circuit enables the encoder to generate a suitable number of coded sequences to ensure that PART 2 the RECEIVER UNIT can be sure that it has received the correct code thus reducing the possibility of false alarms.
  • the Transmitter unit circuitry is powered by the BATTERY built into the unit.
  • the following components are permanently connected to the battery to ensure that the pressing of the switch or the loud voice command always initiates a coded transmission:
  • the following components PRESS BUTTON SWITCH, "OR" GATE, MICROPHONE, PRE AMPLIFIER, Rl, R2, BAND PASS FILTER and the STANDBY SWITCH are designed to ensure the minimum current drain is placed on the battery to achieve maximum battery life.
  • an ON/OFF SWITCH could be included so that the Transmitter unit can be switched off when the machine is not in use.
  • the BATTERY O.K. INDICATOR is connected to the PRESS BUTTON SWITCH circuit so that the LED will be switched on when the PRESS BUTTON SWITCH is pressed.
  • the Battery voltage falls to a point approaching minimum voltage required to reliably operate the Transmitter then the LED will not light.
  • an ANTENNA is tuned for optimum reception of electromagnetic radiation at the frequency radiated by the Transmitter unit and is connected to the antenna input of the R.F. RECEIVER.
  • the R.F. RECEIVER is tuned to receive the same frequency as that radiated by the Transmitter unit and processes the ANTENNA signal to provide a pulsed logic level output which in turn is connected to the DECODER.
  • the DECODER continually interprets the incoming signal and compares it with a code sequence as selected by the 5 WAY DIP SWITCH.
  • the output of the DECODER changes the logic state of its output for the duration that the incoming code exactly matches is own code sequence, this output is connected the DELAY TIMER which interprets the change of logic state as a start signal and likewise interprets the output reverting to its original state as the stop signal. If the elapsed time between the start signal and the stop signal exceeds the DELAY TIMER duration then the timer outputs a signal to the LATCH via its SET input causing the latch output to change state permanently until a signal is detected on the RESET input.
  • the Terminal 3 is connected via external wiring to the ignition circuit switch of the implement to which the Receiver unit is installed such that when the ignition key is returned to its OFF position the voltage to terminal 3 is switched off and the BUFFER circuit changes the state of its output such that the RESET input on the LATCH circuit is activated to cause the latch to reset to its original state.
  • the output from the LATCH is connected to a RELAY DRIVER circuit which switches power to the RELAY coil and causes it to activate and change the state of its output contacts which are connected to RELAY OUTPUT terminals 4, 5 and 6.
  • the RELAY OUTPUT is connected via external wiring to the electrical circuit of the machine or implement such that the change of state of the relay causes the immediate stopping of drive, mechanical, hydraulic, pneumatic or otherwise in as safe a manner as possible.
  • the output of the LATCH is also connected to another DELAY TIMER and when this output changes state the DELAY TIMER as initiated, if the LATCH output sustains the initiation the DELAY TIMER times out and activates its output thus energising the SIREN unit which produces a very loud sound sequence designed to be heard over long distances and also to cause Dogs to bark in response.
  • the Receiver unit is powered form the electrical circuit of the machine or implement to which it has been installed and input power is fed to terminals 1 and 2 which in turn are connected to a SUPPRESSOR circuit designed to eliminate all forms of electrical interference from the power source.
  • the electrical supply is then connected to the REGULATOR which regulates the supply voltage to a level most suitable to reliably operate the complete circuitry of the Receiver unit via the POWER TO ALL CIRCUITS +/- connections at the output form the regulator.
  • the principal aim of the above circuits is to obtain reliable operation of the complete SAFETY DEVICE and at the same time reduce the incidence of false activation or nuisance tripping to a minimum. This may mean the addition of further circuitry as the design of the prototype units and their field testing progresses to the Production Design level.
  • the Transmitter unit could also include a word interpreter circuit that would limit the audible initiation to a specific word or words or phrases.
  • Transmitter unit PRESS BUTTON must be pressed before the machine could be started thus enforcing a system check each time the unit is operated. This would ensure that the operator had a functional emergency safety switch and system at the time of starting the machine.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Alarm Systems (AREA)

Abstract

L'invention concerne un système commutateur d'urgences destiné à déplacer des machines ou des véhicules et présentant des moyens d'activation supportés par un opérateur, soit dans une chambre de commande, soit allumés à partir d'un véhicule, etc. Les moyens d'activation communiquent (par exemple par l'intermédiaire d'une liaison radio) avec des moyens de commande situés sur la machine ou le véhicule qui peuvent avoir la priorité sur son fonctionnement normal. Dans le cas d'une urgence, l'opérateur presse un bouton, active vocalement une commande ou crie pour activer le système. Le système interrompt la machine ou le véhicule, émet une alarme, et peut inverser son fonctionnement au moins en partie. Des capteurs peuvent être utilisés pour déterminer si un opérateur a pénétré une zone à risque élevé, dans ce cas, un niveau plus faible d'activation est nécessaire pour désactiver le véhicule, etc.
PCT/AU2003/001577 2002-11-25 2003-11-25 Commutateur et systeme d'urgence Ceased WO2004048844A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003283119A AU2003283119A1 (en) 2002-11-25 2003-11-25 Emergency safety switch and system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2002952886A AU2002952886A0 (en) 2002-11-25 2002-11-25 Emergency safety switch and system
AU2002952886 2002-11-25

Publications (1)

Publication Number Publication Date
WO2004048844A1 true WO2004048844A1 (fr) 2004-06-10

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WO (1) WO2004048844A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7487839B2 (en) 2005-03-10 2009-02-10 Throttle Control Tech Inc. System for controlling the vertical movement of pipe through a stripping ram in conjunction with service or drilling rigs
EP2573445A1 (fr) * 2011-09-26 2013-03-27 Fiessler Elektronik GmbH & Co. KG Manipulateur
ITRM20120231A1 (it) * 2012-05-22 2013-11-23 Colloquia Multimedia S P A Sistema di sicurezza nei luoghi di lavoro e relativo procedimento.
US8939219B2 (en) 2011-05-05 2015-01-27 Snubco Manufacturing Inc. System and method for monitoring and controlling snubbing slips
WO2015063342A1 (fr) * 2013-11-04 2015-05-07 Eaton Industries (Austria) Gmbh Dispositif d'arrêt d'urgence
WO2018128536A1 (fr) * 2017-01-06 2018-07-12 Propimex S. De R.L. De C.V. Système d'habilitation pour manoeuvres de marche arrière
EP3943799A1 (fr) * 2020-07-24 2022-01-26 Olszewski Tymoteusz Bitland Procédé et système pour protéger des dispositifs électriques

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371449A (ja) * 1986-09-12 1988-03-31 Iseki & Co Ltd 農機の音声遠隔制御方式
GB2198614A (en) * 1986-11-28 1988-06-15 Ian Douglas Shepherd Emergency stop system
FR2745418A1 (fr) * 1996-02-22 1997-08-29 Garcin Andre Dispositif d'arret d'urgence de machines electriques dangereuses
DE10026263A1 (de) * 1999-08-27 2001-03-08 Siemens Ag Steuerungsverfahren für eine industrielle technische Anlage, insbesondere eine Werkzeugmaschine oder einen Roboter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6371449A (ja) * 1986-09-12 1988-03-31 Iseki & Co Ltd 農機の音声遠隔制御方式
GB2198614A (en) * 1986-11-28 1988-06-15 Ian Douglas Shepherd Emergency stop system
FR2745418A1 (fr) * 1996-02-22 1997-08-29 Garcin Andre Dispositif d'arret d'urgence de machines electriques dangereuses
DE10026263A1 (de) * 1999-08-27 2001-03-08 Siemens Ag Steuerungsverfahren für eine industrielle technische Anlage, insbesondere eine Werkzeugmaschine oder einen Roboter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7487839B2 (en) 2005-03-10 2009-02-10 Throttle Control Tech Inc. System for controlling the vertical movement of pipe through a stripping ram in conjunction with service or drilling rigs
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ITRM20120231A1 (it) * 2012-05-22 2013-11-23 Colloquia Multimedia S P A Sistema di sicurezza nei luoghi di lavoro e relativo procedimento.
WO2015063342A1 (fr) * 2013-11-04 2015-05-07 Eaton Industries (Austria) Gmbh Dispositif d'arrêt d'urgence
WO2018128536A1 (fr) * 2017-01-06 2018-07-12 Propimex S. De R.L. De C.V. Système d'habilitation pour manoeuvres de marche arrière
EP3943799A1 (fr) * 2020-07-24 2022-01-26 Olszewski Tymoteusz Bitland Procédé et système pour protéger des dispositifs électriques

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