Classifications

• • G—PHYSICS
  • G11—INFORMATION STORAGE
  • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
  • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
  • G11B33/12—Disposition of constructional parts in the apparatus, e.g. of power supply, of modules

Definitions

• hard disks are known to improve data security when protective measures are taken in response to a free fall (write interruption, read-write head parking in a protected position, disk drive stalling).
• the invention relates to an electrical switching device.
• the electrical switching device according to the invention is provided with an acceleration sensor, an electrical switching means and an electrical line, as well as with a signal line which is in communication with the acceleration sensor and the electrical switching means.
• the acceleration sensor is designed such that a signal is generated at a predeterminable acceleration, by which the electrical switching means can be controlled.
• the electrical line can be switched by means of the electrical switching means.
• an acceleration-dependent electronic switching device is created for an electrical line.
• An advantageous embodiment of the electrical switching device provides that the electrical line by means of the electrical switching means is separable.
• an acceleration-dependent switch for an electrical line is created.
• An advantageous embodiment of the electrical switching device provides that the electrical line a
• Power supply line is.
• a voltage supply can be switched on or off.
• An advantageous embodiment of the electrical switching device provides that at least the acceleration sensor and the electrical switching means are arranged in a common housing.
• a particularly advantageous embodiment of the electrical switching device provides that at least the electrical switching means is sealed liquid-tight from the environment.
• an acceleration-sensitive sensor is used in an electrical device that is able to detect or detect an unusable situation so that protective measures can be taken which can protect the operator, his immediate surroundings or the device from consequential damage.
• protective measures are e.g. the change to a mode of reduced operation or
• the invention also relates to an electrical device with an electrical switching device.
• the electrical device comprises an electrical switching device according to the invention, wherein the electrical device also has an electrical load, which is connected to the electrical line.
• the electrical device is dependent on the acceleration switchable between different operating conditions.
• the invention also relates to a method for switching an electrical device with the method steps:
• step (C) circuit of the electrical device for operation in a second operating state, as soon as a predeterminable acceleration is measured in step (b)
• An advantageous embodiment of the method according to the invention provides that in step (e) in a result of the assessment of the state deviating from the default, the device is still operated in the second operating state.
• An advantageous embodiment of the method according to the invention provides that in step (d) for assessing the state of the device again an acceleration acting on the device is measured.
• Another advantageous embodiment of the method according to the invention provides that in step (d) the evaluation of the state of the device is performed manually by means of an input means.
• Fig. 1 shows schematically an electrical device in the prior art.
• Fig. 2 shows a first embodiment of an electrical device according to the invention with an acceleration-dependent switching device.
• Fig. 3 shows a second embodiment of an electrical device according to the invention with an acceleration-dependent switching device.
• Fig. 4 shows an embodiment of an electrical according to the invention
• Fig. 5 shows schematically a method according to the invention for switching an electrical appliance. Description of exemplary embodiments
• Fig. 1 shows schematically an electrical device in the prior art.
• an electrical or electronic device 1 is connected to an electrical load 4 directly via a power supply line 3 or via a transformer 2 to the central power supply (power grid).
• a current-carrying line within the device 1 can be damaged and generate a short circuit to sensitive circuit components but also to conductive parts, in particular accessible from the outside housing parts of the device 1. This can endanger the user and his environment.
• Fig. 2 shows a first embodiment of an electrical device according to the invention with an acceleration-dependent switching device.
• an acceleration sensor 5 integrated via a signal line 6, the power supply of the load 4 by means of a switching means. 7 can switch off if critical acceleration values were detected.
• the switching means 7 is a breaker circuit which interrupts the electrical line 3 in response to a signal applied to the signal line 6.
• a critical value of the acceleration for example, in a free fall, possibly attenuated by the connection to a cable, occur, because usually follows the free fall of a device an impact. In free fall, acceleration values of well below Ig can be detected in all directions.
• the sensor can be powered from a battery or battery with power, but it can also be used in the consumer 4 or another component of the device 1 already available suitable power supply.
• the electrical interruption in the switching means 7 with a switch can be canceled if after an event the Power supply was interrupted and the device should be reactivated for further use.
• the switching means 7 may also be mounted outside the device, for example in the power plug at the end of the electrical line 3 near the connection to the central power supply. In this case, the sensor 5 by means of a control line 6, the inside or on
• Cable of the electric wire 3 is connected to the switching means 7.
• Fig. 3 shows a second embodiment of an electrical device according to the invention with an acceleration-dependent switching device.
• the switching means 7 is arranged in front of the transformer 2, so that the power supply can be interrupted by the electrical line 3 by means of the switching means 7 in front of the transformer 2.
• Fig. 4 shows an embodiment of an electrical switching device according to the invention.
• the figure shows a schematic representation of a switching device 71.
• two electrical lines 3 are led from the central power supply to the switching means 7.
• breaker elements 131 and 132 are arranged, e.g. electromagnetic relays or other elements with which a power supply can be interrupted.
• the control of the breaker elements 131 and 132 is carried out by an acceleration-sensitive sensor 5 via signal lines 61 and 62.
• the sensor 5 may also be arranged spatially separated from the switching means 7. Through the breaker elements 131 and 132, the electrical lines 3 can be disconnected if the sensor 5 detects a critical situation and outputs a signal via the signal lines 6 to the breaker elements 131 and 132.
• the interrupter unit 7 is formed waterproof. With this configuration, it is possible to use an electrical device such as For example, a hair dryer, before it comes into contact with a liquid by a shock or fall, turn off and thus to disconnect the power supply galvanically from the liquid. In this way, a hair dryer can be turned off before it falls into a water-filled tub, for example, and remain safely switched off under water, because the switching means 7 is liquid-sealed from the environment.
• an electrical device such as For example, a hair dryer, before it comes into contact with a liquid by a shock or fall, turn off and thus to disconnect the power supply galvanically from the liquid.
• a hair dryer can be turned off before it falls into a water-filled tub, for example, and remain safely switched off under water, because the switching means 7 is liquid-sealed from the environment.
• Fig. 5 shows schematically a method according to the invention for switching an electrical appliance. The method includes the method steps:
• step (C) circuit of the electrical device for operation in a second operating state, as soon as a predeterminable acceleration is measured in step (b)
• step (d) assessing the state of the device during step (c)
• step (e) in a result of the evaluation of the state deviating from the default, the device is still operated in the second operating state.
• step (d) for measuring the state of the device an acceleration acting on the device is again measured.
• step (d) the evaluation of the state of the device is performed manually by means of an input means.
• the user of the device presses a switch when everything is OK and can use the device again.

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• Keying Circuit Devices (AREA)

Applications Claiming Priority (2)

Publications (1)

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• 2007
  • 2007-07-16 DE DE102007033004A patent/DE102007033004A1/de not_active Withdrawn
• 2008
  • 2008-06-13 WO PCT/EP2008/057492 patent/WO2009010351A1/de active Application Filing
  • 2008-06-13 JP JP2010516442A patent/JP2010533940A/ja active Pending
  • 2008-06-13 US US12/669,791 patent/US20100236906A1/en not_active Abandoned
  • 2008-06-13 KR KR1020107000920A patent/KR20100029836A/ko not_active Application Discontinuation
  • 2008-06-13 EP EP08761013A patent/EP2171551A1/de not_active Withdrawn
• 2012
  • 2012-07-20 JP JP2012161729A patent/JP2012227161A/ja active Pending

Non-Patent Citations (1)

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