WO2005124806A1 - スイッチ装置 - Google Patents
スイッチ装置 Download PDFInfo
- Publication number
- WO2005124806A1 WO2005124806A1 PCT/JP2005/011313 JP2005011313W WO2005124806A1 WO 2005124806 A1 WO2005124806 A1 WO 2005124806A1 JP 2005011313 W JP2005011313 W JP 2005011313W WO 2005124806 A1 WO2005124806 A1 WO 2005124806A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- electrode
- switch device
- stable posture
- posture
- switch
- Prior art date
Links
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
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
- H01H13/48—Snap-action arrangements depending upon deformation of elastic members using buckling of disc springs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
- E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
-
- 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
- H01H13/52—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 immediately upon removal of operating force, e.g. bell-push switch
Definitions
- the present invention relates to a switch device, and mainly relates to a door locking switch and the like in a door handle of a vehicle.
- a switch device that performs a switch operation of switching information on and off by a user's pressing operation has been an elastic sheet-like rubber plate (for example, Patent Document 1) or a sheet provided with a bulging portion (for example, according to Patent Document 2), a switch operation is performed by obtaining a reaction force to the pressing operation.
- Patent Document 1 an elastic sheet-like rubber plate
- Patent Document 2 a sheet provided with a bulging portion
- the switch device disclosed in Patent Document 1 is provided with a switch having a metal plate contact protruding through an elastic body such as synthetic rubber.
- the metal plate contact point is flattened by pressing a corresponding key button immediately above the elastic body during the switch operation, and for example, the switch is turned on.
- the metal plate contact returns to the original shape due to the restoring force of the elastic body and the metal plate contact, and is in an off state, for example.
- the touch switch disclosed in Patent Document 3 is used when the capacitance of the touch detection electrode changes and the capacitance falls below a certain threshold, or when the state below the threshold continues for a certain time or more. Detects contact of the user with the touch surface.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-347775 (see paragraphs 0026 to 0029, etc.)
- Patent Document 2 JP-A-2003-47797 (see paragraph 0018, etc.)
- Patent Document 3 Patent No. 3480276 (see paragraphs 0002 to 0006, etc.)
- Patent Document 1 an elastic body or a key button is pressed with a finger to push a metal plate contact (Patent Document 1), or a bulging portion provided on a sheet is pressed with a finger.
- Patent Document 2 By pressing the switch, the bulging portion is depressed downward, and the heads of the switches disposed therebelow are pressed downward (Patent Document 2) to be turned on.
- the switch device may be installed, for example, as a door-locking switch in a door handle of a vehicle, at a site that is placed in an environment such as a poor outdoors exposed to darkness or wind and rain. In such a case, if the switch operation is completed with a finger or the like at the moment when the switch operation is performed, the trouble of visual confirmation can be saved.
- an object of the present invention is to provide a switch operation after a certain pressing stroke is performed. It is an object of the present invention to provide a switch device which can reliably recognize the completion of the operation and can prevent a malfunction even when installed in a poor outdoor environment.
- a first characteristic configuration of the switch device for achieving the above object includes a first electrode, which is a plate-like member having elasticity, as sensing means for sensing a user's operation input; A second electrode opposed to the first electrode, wherein the first electrode is switched between a first stable position in which the first electrode is biased to an input release position of the switch and a second stable position in which the first electrode is biased to an input position of the switch; Operating member for changing the posture from the first stable posture to the second stable posture and then applying an operating force to the first electrode to return the second electrode from the second stable posture to the first stable posture. Is provided.
- the first electrode in the switch input release position, that is, in the first stable posture in which the user waits for switch operation, the first electrode is biased to the side opposite to the second electrode facing the first electrode. In a stable posture. Further, in the switch input position, that is, in the second stable posture, which is a state after the user has operated the switch, a stable posture is obtained in a state of being biased toward the second electrode facing the first electrode.
- the first electrode is configured to be switchable between the first stable posture and the second stable posture.
- the posture is changed to the first stable posture of the convex shape and the posture is changed to the second stable posture of the concave shape
- the impact of the transition to the concave shape can be felt by the user as a click feeling.
- the first electrode is in a second stable posture in which the posture is changed from the first stable posture to the second stable posture during the switch operation, and then the first electrode is biased to the input position of the switch. In this state, the switch is in the posture maintaining the input position, so it is necessary to return to the first stable posture.
- the first electrode An operation member is provided for applying an operation force to the first member and returning to the second stable posture force. In this way, the first electrode can be returned from the second stable posture to the first stable posture by applying the operating force to the first electrode, but also at this time, the impact when the plate member is elastically deformed as described above is given to the user. It can be felt as a click.
- the first electrode can be immediately returned to the input release position where the switch operation is waiting, so that the switch can be re-inputted quickly.
- the user can experience a click feeling that the switch operation has been performed, and thus can reliably recognize the completion of the switch operation. At the same time, the user does not need to visually confirm the completion of the switch operation.
- the switch operation is completed when a certain amount of pressing stroke is performed. Since it can be recognized, it is not necessary to perform the switch operation with a force stronger than the pressing force required for the original switch operation. Therefore, a switch device that can perform a switch operation with a small pressing force and that can quickly perform a re-input operation of the switch can be provided.
- a second characteristic configuration of the switch device according to the present invention is that the sensing unit is of a capacitance type that detects a change in capacitance between the first electrode and the second electrode. is there.
- the sensing means can be easily and inexpensively manufactured.
- a third characteristic configuration of the switch device according to the present invention is that the sensing means is a piezoelectric type that detects a pressure change of the first electrode with respect to the second electrode.
- the posture of the first electrode is changed from the first stable posture to the second stable posture.
- the first electrode comes into contact with the second electrode, and the presence or absence of a switch operation can be detected by detecting a change in pressure of the first electrode with respect to the second electrode at this time as a change in voltage of the piezoelectric element.
- the sensing means can be manufactured easily and at low cost.
- a fourth characteristic configuration of the switch device according to the present invention is that the inside of the sensing means is sealed;
- the outside and the inside of the sensing means are made air-tight and water-tight by a sealing member or by pressing a plurality of members forming the outer shape of the sensing means. Therefore, according to the switch device described in the fourth characteristic configuration of the present invention, raindrops, dust, and the like are less likely to enter the inside of the sensing means even in a poor outdoor environment exposed to wind and rain. Therefore, even in such an environment, there is almost no possibility that the first and second electrodes are adversely affected, and it can be expected that the switch operation can be reliably performed.
- a fifth characteristic configuration of the switch device according to the present invention includes an electrode support member that supports the first electrode and the second electrode in opposition to each other. The point is to support one electrode.
- the first electrode is supported in a curved state with respect to the electrode support member.
- the end of the first electrode is fixed by the electrode support member, and the first electrode can be configured to be switchable between a first stable posture of a convex shape and a second stable posture of a concave shape. It is not necessary to move the first electrode when the posture is changed, so that a compact switch device can be configured.
- the first electrode is formed of a leaf spring
- the second electrode has a first stable posture in a convex shape and a second stable posture in a concave shape with respect to the second electrode. It is possible to switch between them.
- the first electrode is formed of a leaf spring, and the shape of the leaf spring is merely concave or reverse, and the first stable posture and the second stable posture without using other members. Are configured to be switchable.
- a well-known leaf spring can be suitably applied to this configuration, the number of constituent members can be reduced, and a switch device can be manufactured easily and inexpensively.
- a seventh characteristic configuration of the switch device according to the present invention is that the first electrode applies an impact to the operation member when the posture is changed from the first stable posture to the second stable posture. .
- An eighth characteristic configuration of the switch device according to the present invention is that a surface of the second electrode is covered with a dielectric protection film.
- a ninth characteristic configuration of the switch device according to the present invention is that the first electrode is not in contact with the second electrode even when the posture is changed to the first stable posture force and the second stable posture. It is in.
- the pressing stroke can be shortened by being configured to be in non-contact with the second electrode.
- the switch operation can be performed with a smaller pressing force than before.
- the sensing means is of a capacitance type that detects a change in capacitance between the first electrode and the second electrode, the capacitance is detected in a non-contact manner as in this configuration.
- a tenth characteristic configuration of the switch device according to the present invention is that the operation member is located inside the first electrode. It is located at the center.
- an operating force for returning the first electrode from the second stable posture to the first stable posture is transmitted from the operating member to the first electrode. It can be efficiently applied to one electrode.
- the first electrode can be returned from the second stable posture to the first stable posture with less operation force.
- the switch device of the present invention can reliably perform a switch operation even in a poor environment, and therefore can be used as a lock switch provided on a door handle disposed outside a vehicle door. is not.
- Other embodiments are applicable to a wide range of switch devices, such as switches for instruments installed outdoors or switches in factories where dust and high humidity are expected to occur even indoors. It becomes.
- the switch device X of the present invention is provided on a door handle 1 disposed outside a vehicle door 10.
- the door handle 1 is composed of a handle body 2 having an arm 4 on the front side of the vehicle body, a handle cover 3 for covering the handle body 2, and the like.
- the handle body 2 and handle cover 3 are made of synthetic resin.
- a door unlock sensor 5 for recognizing the approach of the user and unlocking the door, and a human It has a built-in wire harness 6 connected to a discrimination circuit for discriminating approach, an antenna 7 for communicating with a remote controller possessed by the user, and the like.
- FIG. 3 shows a detailed view of the switch device X.
- the switch device X has, as sensing means for sensing a user's operation input, a first electrode 11 which is a plate-like member having elasticity, and a second electrode 12 facing the first electrode.
- the switch device X includes a key button 13, switch device sealing portions 14a and 14b, an electrode support portion 15, and a switch device outer wall portion 16.
- the switch device sealing portion 14a is formed of an elastic member such as rubber so that the first electrode 11 can be changed to the second electrode 12 side when the user presses the key button 13.
- the switch device sealing portion 14a and the switch device sealing portion 14b are pressed against each other to seal the inside of the sensing means. This makes it difficult for raindrops, dust, and the like to enter the sensing means inside the switch device X even in a poor environment exposed to wind and rain.
- a plurality of members (switch device sealing portions 14a and 14b) forming the outer shape of the sensing means are crimped together, so that the highly sealed state of the sensing means can be maintained.
- the shape of the switch device X is not particularly limited, but various shapes such as a quadrangular prism, a column and the like can be applied.
- the first electrode 11 is not particularly limited as long as it is a plate-like member having elasticity.
- a known metal (for example, copper) leaf spring can be applied.
- the surface of the leaf spring can be subjected to surface processing such as anti-corrosion treatment.
- the plate-shaped first electrode 11 is provided so as to be switchable between a first stable posture for urging the switch to the input release position and a second stable posture for urging the switch to the input position.
- a first stable posture of a convex shape which is a shape protruding toward the user side
- a second stable posture of a concave shape are provided.
- the first electrode 11 in the switch input release position, that is, in the first stable posture in which the user waits for switch operation, the first electrode 11 is opposite to the second electrode 12 facing the first electrode 11. It becomes a stable posture in the energized state (see FIG. 3 ( a )).
- the posture in the switch input position, that is, in the second stable posture, which is a state after the user has operated the switch, the posture is stable in a state in which the switch is biased toward the second electrode 12 facing the first electrode 11. (See Fig. 3 (b)).
- the diameter of the first electrode 11 in the two positions is set so that the first electrode 11 can be easily elastically deformed into a first stable posture having a convex shape and a second stable posture having a concave shape. It is set smaller than the inner diameter of the space for holding the first electrode 11 in the portion 15.
- the “certain load” is, for example, a traffic suitable for a user to intentionally perform a switch operation. A load that is depressed with a normal force. It does not include the load when a part of the body touches against the user's intention, and does not include the load.
- the first electrode 11 Since the first electrode 11 is configured to be switchable between the first stable posture and the second stable posture, for example, the first electrode 11 changes from the first stable posture having a convex shape to the second stable posture having a concave shape.
- the impact when the plate-like member is elastically deformed that is, the impact when the plate-like member goes over the convex shape and shifts to the concave shape, can be experienced by the user as a click feeling. it can.
- the sensing means is configured to be a capacitance type for detecting a change in capacitance between the first electrode 11 and the second electrode 12, the first stable posture
- the change in capacitance is converted into a voltage change in a detection circuit (not shown) when the position is changed to the second stable position, so that the presence or absence of a switch operation can be detected.
- the detection circuit is connected to the second electrode 12 by a signal line 18.
- the second electrode 12 becomes a sensor electrode, and a capacitance is generated between the second electrode 12 and the first electrode 11 formed of a leaf spring.
- the second electrode 12 may be a known sensor electrode such as a metal plate or a conductor plate.
- the surface of the second electrode 12 may be covered with a dielectric protection film.
- the switch operation When the position of the first electrode 11 is changed from the first stable position to the second stable position by the switch operation, the distance (d) between the first electrode 11 and the second electrode 12 changes. Accordingly, the capacitance C changes, and the switch operation is performed by detecting the change in the capacitance.
- the dimensions of the first electrode 11 and the second electrode 12 are the same as those of the present embodiment.
- the diameter should be about 9mm ⁇ 0.5mm and the thickness should be about 0.06-0.08mm.
- the user can use a normal switch suitable for intentionally performing a switch operation.
- the posture of the first electrode 11 can be changed from the first stable posture to the second stable posture by a load depressed by the force. Therefore, the switch operation can be performed with a small pressing force.
- the dimensions of the first electrode 11 and the second electrode 12 can be appropriately changed according to the size of a member (a door handle or the like) on which the switch device X is installed, and thus are limited to the dimensions described above. is not.
- the electrostatic capacitance is determined by the variation distance (d) between the first electrode 11 and the second electrode 12. Is detected. Therefore, the first electrode 11 is configured so as not to come into contact with the second electrode 12 when the posture is changed from the first stable posture to the second stable posture.
- the first electrode 11 is in a second stable posture in which the posture is changed from the first stable posture to the second stable posture and then biased to the input position of the switch.
- the switch is in the position maintaining the input position, and therefore needs to be returned to the first stable position. Therefore, after changing the posture from the first stable posture to the second stable posture, an operation member 17 for applying an operation force to the first electrode and returning the second stable posture force to the first stable posture is provided.
- a hole 11a is provided near the center of the first electrode 11, and the switch device sealing portion 14a penetrates the hole 11a, and the tip is the first electrode.
- An operation member 17 that engages with 11 is provided.
- the switch device sealing portion 14a is formed of an elastic member such as rubber, when the user releases his / her finger from the key button 13 after being pressed by the switch operation, the switch device is restored by the elastic restoring force.
- the sealing portion 14a returns to the flat state before being pressed by the switch operation.
- the operation member 17 provided on the switch device sealing portion 14a also attempts to return to the position before being pressed together with the switch device sealing portion 14a.
- the operation member 17 since the operation member 17 is engaged with the first electrode 11 in the second stable posture at the distal end, the state before the first electrode 11 is pressed by the switch operation, that is, the operation for returning the first electrode 11 to the first stable posture. A force acts on the first electrode 11.
- the operating member 17 applies an operating force to the first electrode 11 to shift the second electrode from the second stable posture. Since the first electrode can be returned to the first stable posture, the first electrode can be immediately returned to the input release position in a state of waiting for the switch operation after the switch operation. At this time, it is possible for the user to feel the impact of the transition from the concave shape to the convex shape as a click feeling.
- the sensing unit is configured to be of a capacitance type that detects a change in capacitance between the first electrode 11 and the second electrode 12.
- the first electrode 11 is configured so as not to contact the second electrode 12 when the posture is changed from the first stable posture to the second stable posture.
- the first electrode 11 may be configured to contact the second electrode 12 when the posture is changed from the first stable posture to the second stable posture.
- the sensing means is configured to be of a piezoelectric type for detecting a change in pressure of the first electrode with respect to the second electrode.
- the second electrode 12 is constituted by a piezoelectric electrode.
- the piezoelectric electrode an electrode having a piezoelectric element formed of a known barium titanate, such as lead zirconate titanate, can be used.
- the first electrode 11 constituted by a leaf spring changes the posture to the first stable posture force and the second stable posture during the switch operation, the first electrode 11 comes into contact with the second electrode 12.
- the voltage of the piezoelectric element constituting the piezoelectric electrode changes, and the presence or absence of a switch operation can be detected by detecting this voltage change with a detection circuit (not shown).
- the sensing means inside the switch device X can detect raindrops and dust. And so on. Therefore, there is almost no possibility that the first and second electrodes are adversely affected, and the switch operation can be performed reliably.
- FIG. 1 is a schematic cross-sectional view of a vehicle door handle provided with a switch device of the present invention.
- FIG. 2 is a schematic front view of a vehicle door handle provided with the switch device of the present invention.
- FIG. 3 is a schematic cross-sectional view of the switch device of the present invention.
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- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200560012100 DE602005012100D1 (de) | 2004-06-22 | 2005-06-21 | Schalteinrichtung |
EP05752982A EP1763048B1 (en) | 2004-06-22 | 2005-06-21 | Switch device |
US11/630,285 US7763819B2 (en) | 2004-06-22 | 2005-06-21 | Switch device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-183665 | 2004-06-22 | ||
JP2004183665A JP4310699B2 (ja) | 2004-06-22 | 2004-06-22 | スイッチ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005124806A1 true WO2005124806A1 (ja) | 2005-12-29 |
Family
ID=35509977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/011313 WO2005124806A1 (ja) | 2004-06-22 | 2005-06-21 | スイッチ装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7763819B2 (ja) |
EP (1) | EP1763048B1 (ja) |
JP (1) | JP4310699B2 (ja) |
CN (1) | CN100545977C (ja) |
DE (1) | DE602005012100D1 (ja) |
WO (1) | WO2005124806A1 (ja) |
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- 2005-06-21 WO PCT/JP2005/011313 patent/WO2005124806A1/ja not_active Application Discontinuation
- 2005-06-21 US US11/630,285 patent/US7763819B2/en not_active Expired - Fee Related
- 2005-06-21 DE DE200560012100 patent/DE602005012100D1/de active Active
- 2005-06-21 EP EP05752982A patent/EP1763048B1/en not_active Not-in-force
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106338772A (zh) * | 2015-07-08 | 2017-01-18 | 法国大陆汽车公司 | 用于检测用户锁定或解锁机动车门的意图的设备 |
US10428562B2 (en) | 2015-07-08 | 2019-10-01 | Continental Automotive France | Device for detecting a user's intention to lock or unlock a motor vehicle door |
Also Published As
Publication number | Publication date |
---|---|
US7763819B2 (en) | 2010-07-27 |
DE602005012100D1 (de) | 2009-02-12 |
US20080067050A1 (en) | 2008-03-20 |
CN1942989A (zh) | 2007-04-04 |
JP4310699B2 (ja) | 2009-08-12 |
CN100545977C (zh) | 2009-09-30 |
JP2006012446A (ja) | 2006-01-12 |
EP1763048A4 (en) | 2007-08-08 |
EP1763048B1 (en) | 2008-12-31 |
EP1763048A1 (en) | 2007-03-14 |
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