Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
  • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
  • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
  • H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
  • H01H13/50—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
  • H01H13/56—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force
  • H01H13/562—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam
  • H01H13/568—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state upon the next application of operating force making use of a heart shaped cam the contact also returning by some external action, e.g. interlocking, protection, remote control
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
  • H01H19/02—Details
  • H01H19/04—Cases; Covers
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H3/00—Mechanisms for operating contacts
  • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
  • H01H3/28—Power arrangements internal to the switch for operating the driving mechanism using electromagnet
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H2229/00—Manufacturing
  • H01H2229/042—Snap coupling; Snap mounting
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
  • H01H2300/022—Application wake up; switches or contacts specially provided for the wake up or standby shift of a circuit

Definitions

• the invention relates to an electrical switch according to the preamble of
• Such electrical switches are used for switching on and / or off of electrical devices by a manual pressure operation of a user.
• these pressure switches for example, in the home appliance industry for household appliances, such as
• Such an electrical switch may have a housing.
• the housing contains a contact system. From the housing protrudes a movable actuator for switching the contact system between two switching positions, namely an off-switching position and an on-switching position, out.
• the actuator is connected to a guide cam in the manner of a switching heart, in which a locking means designed as a pin is engageable in operative connection, such that by the interaction of locking means and
• the actuator is locked in at least one of the switching positions.
• the actuator is locked or locked in the on-switching position, whereby the switch remains in the on-switching position after switching.
• this switch is only by re-pressing the manual
• Actuator can be switched off.
• the invention has for its object to further develop the switch so that the switch non-manual from the lockable switching position to the other switching position is switchable.
• a pressure switch should be unlocked both mechanically, ie manually by the user, as well as electrically / electronically, ie without manual intervention.
• optionally in a variant of the pressure switch should only turn on mechanically and can be switched off electrically / electronically.
• a movement means for the latching means is provided, such that the latching means is movable into and out of engagement with the guide cam.
• the actuator located in the locked switching position is thereby unlocked, so that the contact system from the one arrestable
• Switching position is switched to the other switching position. And that is the switch "electrical / electronic" at least switched off. Further embodiments of the invention are the subject of the dependent claims.
• the switch may expediently have a housing.
• the contact system is located in the housing.
• Actuator protrudes from the housing. Electrical connections for supplying the electrical voltage for the switch protrude from the housing.
• the moving means is arranged in the housing.
• the movement means may consist of a controllable actuator, such that the latching means is moved when the actuator is actuated.
• the actuator is a solenoid having a coil.
• the latching means may consist of a pin in a simple manner, wherein the pin may be hinged to the armature located in the coil of the electromagnet. Furthermore, it is advisable that the guide curve movable in the transverse direction to the actuation direction and fixed in the direction of actuation of the
• Actuator is arranged on the actuator.
• the pin of wire in the manner of an L-shaped bracket can be designed in a cost effective manner.
• the switch can be controlled by programmable electronics, which in particular comprise a timer
• the electronics are arranged on a circuit board located in the housing.
• the timer can be set in motion to turn off a coffee after a certain time.
• the switch can have an additional auxiliary contact.
• the auxiliary contact detects the locked switching position of the actuating member.
• the guide curve can be configured such that only a mechanical / manual switching into the lockable switching position, but no mechanical / manual switching is made possible in the other switching position by means of the actuator. The electrical / electronic unlocking of the switch from the lockable switching position is then optionally initiated via a further auxiliary contact.
• the guide curve is designed such that only after two or more manual actuation of the actuating member, a mechanical switching from the lockable switching position is made possible.
• a second detent position may be provided in the switching heart, so that the switch is also located in the on-switching state in the second detent position. Only from the second detent position then a manual switching off the switch is possible. Such a design thus enables the switching off of the electrical appliance even if the automatic shutdown fails.
• the switch has a resistor in the manner of a shunt for current measurement.
• the resistance can be integrated in a meandering manner in a connection of the switch.
• the current measurement can be used, for example, to detect the standby mode for the electrical appliance. So it can then be detected in a particular flowing stream that, for example, the coffee machine is in operation. In this case, the coffee machine is not turned off because it is not yet in standby.
• the switch is designed to be illuminated, the switch can be provided with a lighting.
• a light source such as a light emitting diode, an incandescent lamp, a glow lamp o. The like., Be located in the housing of the switch.
• the light source is arranged on the circuit board in the housing.
• the pressure switch which optionally has additional lighting, is provided with a built-in, movable switching heart for mechanical switching on and / or off.
• the switching heart is movable in the transverse direction to the actuating direction, but firmly arranged in the direction of actuation.
• a wire in the form of an L-shaped bracket engages the switching heart for locking.
• the switch has an integrated coil for electrical / electronic unlocking or switching off the switch.
• the wire is hinged to the armature of the coil, so that it can be pulled out of the switching heart.
• the pressure switch is in a variant with an integrated circuit board and a programmable electronics for controlled unlocking, so provided for switching off the switch. If the electrical appliance, for example a coffee machine, goes into standby mode, a timer in the electronics is set in motion to start the electrical appliance, for example a coffee machine, goes into standby mode, a timer in the electronics is set in motion to start the electrical appliance, for example a coffee machine, goes into standby mode, a timer in the electronics is set in motion to start the
• the duration until unlocking or switching off of the switch is thus determined via a program.
• the load state of the switch can be detected.
• the pressure switch is provided in a further variant with an additional auxiliary contact, which detects the operation of the pusher.
• the mechanical auxiliary contact is activated when pressing the trigger.
• the pressure switch has a movable switching heart for mechanically switching on the switch. A mechanical switching off is not with this appropriately shaped switching heart possible.
• An electrical switch-off of the switch is then initiated via an auxiliary contact.
• only the auxiliary contact is closed by a single press of the pusher in the ON state. As a result, the elimination of the switch is caused electrically / electronically.
• the pressure switch with such a shaped.
• Kunststoffherz provided that only after two or more mechanical actuation switching off the switch is enabled.
• the switching heart has a second for this purpose
• Detent position wherein the on-switching state is maintained even in the second detent position. Only from the second detent position is a manual switch off possible. If the automatic switch-off of the switch fails, the option of manual switch-off remains. In this variant, the switch is thus switched off mechanically by pressing the pusher again.
• the advantages achieved by the invention are, in particular, that a compact small design and a simple construction of the switch by the integrated coil and / or by the integrated coil with electronics is possible.
• the small design further contributes to the integrated coil with solenoid and jumper wire as a locking means, the jumper wire engages in a laterally displaceably mounted in the pusher switching heart and can be unlocked mechanically and / or electrically.
• By interchangeability of the switching heart different variants of the switch are possible in a simple manner.
• Various connection options also allow easy adjustment of the switch for various installation variants in the electrical appliance.
• a delayed shutdown of the device By detecting the operation of the pusher, a delayed shutdown of the device can be realized.
• This brings advantages in coffee machines, where a cleaning cycle can be initiated before the device is disconnected from the mains.
• This is also advantageous in consumer electronic devices that are galvanically separated from the network only after completion of a specific action.
• the electronic shutdown can optionally be overridden by pressing the trigger several times. It is also possible in a simple manner different input and / or Ausschalt21 for the switch.
• Another advantage is a significant increase in comfort, as can be optimally set by detecting the load conditions of the shutdown. At the same time, the standby consumption for the electrical appliance is reduced, which saves energy.
• Fig. 2 shows an electrical switch according to another embodiment in
• Fig. 3 shows an electrical switch according to yet another embodiment in exploded view
• FIG. 4 the actuator of the switch of FIG. 1 in an enlarged view.
• an electrical switch 1 is shown in exploded view.
• the switch 1 has a housing 2, which consists of a base 3 and a cover 4.
• a housing 2 In the housing 2 is a designed in the manner of a snap system contact system 5. From the housing 2 projects against a return spring 11 movable actuator 6 for manual switching of the contact system 5 between two switching positions. In one switching position is the off-switching position and in the other switching position to the on-switching position of the contact system. 5
• the contact system 5 comprises a fixed contact 7 and a movable switching contact 8.
• the fixed contact 7 is located on an electrical connection 24.
• the switching contact 8 is movably mounted in a cutting bearing 27 on an electrical connection 24 '.
• the protruding from the housing 2 electrical connections 24, 24 ' are used to supply the electrical voltage for the switch 1.
• a movably mounted in the housing 2 Shift lever 9 is in operative connection with the actuator 6.
• a tension spring 10 is mounted on the one hand on the shift lever 9 and on the other hand on the switching contact 8.
• the contact system 5 switches during movement of the actuating member 6 by the user and the associated movement of the shift lever 9 snapping between the off switching position in which the switch contact 8 abuts against a stop 12 in the base 3, and the on-switching position, in the the switching contact 8 on the fixed contact 7 electrically contacting rests to.
• the actuator 6 is in at least one of the switching positions, in the present case in the on-switching position, lockable.
• the actuator 6 is with a
• Guide curve 13 in the manner of a switching heart in operative connection.
• In the guide curve 13 engages an existing from a pin locking means 14, such that through the
• the actuating member 6 located in the locked switching position is unlocked and the contact system 5 of the switch 1 is switched from one lockable switching position to the other switching position, without requiring the manual actuation of the actuator 6 by the user.
• Shift position is effected by the pin 14 is pulled out of the guide cam 13, in which case the actuator 6 is reset due to the action of the return spring 11 while the contact system 5 is switched.
• the actuator is in turn a coil 16 having an electromagnet.
• the pin 14, which is made of wire in the manner of an L-shaped bracket is located on the located in the coil 16 anchor 17 of the
• Electromagnet 15 articulated.
• the armature 17 is reset by means of a compression spring 23.
• the guide cam 13 is located in an element which is arranged movably in the transverse direction 18 to the actuating direction 19 and fixed in the actuating direction 19 of the actuating member 6 on the actuating member 6.
• the switch 1 can have a programmable electronic system 31, which, for example, comprises a timer
• the electronics 31 is arranged on a printed circuit board 20 located in the housing 2, as shown in FIG. 2, so that the timer can be started in the standby state of the electrical appliance on which the switch is located 1.
• the electrical appliance for example the coffee machine
• Fig. 2 also shows another electrical connection 21 projecting out of the housing 2 for an electrically neutral conductor which requires the function of the electronics 31 becomes.
• the switch 1 can also be switched off by external control.
• the switch 1 according to FIG. 3 has an additional auxiliary contact 29 with contact bridge 30. Via the auxiliary contact 29 together with the contact bridge 30, the actuation of the actuating member 6 in the locked switching position and thus the switch-on position of the contact system 5 can be detected.
• the contact system 5 and the movement means 15 are connected via connecting pins 28, which are shown in Fig. 2, with the circuit board 20 in electrical connection.
• the switching heart 13 can be configured such that only a mechanical or manual switching to the lockable switching position, but no manual switching is made possible by means of the actuator 6 in the other switching position.
• the electrical or electronic unlocking of the switch 1 from the lockable switch position is initiated by appropriate control over further, protruding from the housing 2 auxiliary contacts 22, which can be seen in Fig. 3.
• the switching heart 13 has a second detent position, wherein the on-switching state of the contact system
• Switching off can be done, but only from the second detent position, a manual switching off the contact system 5 in the off-switching state by means of the actuator
• the second detent position is used for manually switching off the switch 1, for example, if the automatic shutdown fails in case of failure.
• the switch 1 may have a resistance such as a shunt for current measurement. As can further be seen in FIG. 2, the resistance 25 is meandering in the
• Terminal 24 of the switch 1 integrated. As long as a certain current flows through the terminal 24, which can be measured with the aid of the resistor 25, the operation of the electrical appliance can be detected. For example, the operation of the
• the switch 1 is provided with a lighting, including a
• Light emitting diode 26 is located on the circuit board 20.

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• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Push-Button Switches (AREA)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

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• 2012
  • 2012-02-03 DE DE102012001985A patent/DE102012001985A1/de not_active Withdrawn
  • 2012-02-08 CN CN201280017208.3A patent/CN103534778B/zh active Active
  • 2012-02-08 WO PCT/EP2012/000567 patent/WO2012107220A1/fr active Application Filing
  • 2012-02-08 EP EP12704231.5A patent/EP2673792B1/fr active Active

Non-Patent Citations (2)

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