WO2014024394A1 - 操作スイッチ - Google Patents
操作スイッチ Download PDFInfo
- Publication number
- WO2014024394A1 WO2014024394A1 PCT/JP2013/004414 JP2013004414W WO2014024394A1 WO 2014024394 A1 WO2014024394 A1 WO 2014024394A1 JP 2013004414 W JP2013004414 W JP 2013004414W WO 2014024394 A1 WO2014024394 A1 WO 2014024394A1
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- WIPO (PCT)
- Prior art keywords
- fixed electrode
- electrode body
- movable electrode
- operation switch
- fixed
- Prior art date
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/04—Operating part movable angularly in more than one plane, e.g. joystick
- H01H25/041—Operating part movable angularly in more than one plane, e.g. joystick having a generally flat operating member depressible at different locations to operate different controls
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H21/00—Switches operated by an operating part in the form of a pivotable member acted upon directly by a solid body, e.g. by a hand
- H01H21/02—Details
- H01H21/18—Movable parts; Contacts mounted thereon
- H01H21/22—Operating parts, e.g. handle
- H01H21/24—Operating parts, e.g. handle biased to return to normal position upon removal of operating force
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/008—Actuators other then push button
- H01H2221/012—Joy stick type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/078—Variable resistance by variable contact area or point
Definitions
- the present invention relates to an operation switch mainly used for operation of various electronic devices.
- FIG. 8 is a cross-sectional view of a conventional multidirectional operation switch 20.
- the multidirectional operation switch 20 includes a wiring board 1, two push switches 2, a pressure sensitive body 3, a detection pin 4, an elastic body 5, two pins 6, a case 7, and an operation body. 8 and a cover 9.
- Two push switches 2 are arranged on the upper surface of the wiring board 1, and a pressure sensitive body 3 whose resistance value changes when pushed is arranged between the two push switches 2.
- a detection pin 4 is disposed on the upper surface of the pressure sensitive body 3.
- the detection pin 4 has a pressing portion 4A on the lower surface, a column portion 4B, and a protruding end portion 4C at the upper end of the column portion 4B.
- the elastic body 5 is arranged so as to cover the two push switches 2 and the detection pin 4.
- the shape of the elastic body 5 is a box shape having an open lower surface and a circular opening on the upper surface, and the material of the elastic body 5 is rubber or the like.
- Two pins 6 are arranged on the upper surface of the elastic body 5 above each push switch 2.
- a case 7 is arranged so as to cover the two pins 6 and the elastic body 5.
- the shape of the case 7 is a box shape having a lower surface opened and a circular opening on the upper surface.
- the operation body 8 has a trunk portion 8A, left and right pressing arm portions 8B, a shaft portion 8C, an operation portion 8D and a swinging portion 8E, and can tilt to the left and right around the shaft portion 8C.
- the lower surfaces of the left and right pressing arm portions 8B are in contact with the upper end of the pin 6 and the operating body 8 is tilted, the lower surface of the pressing arm portion 8B presses the upper end of the pin 6.
- the cover 9 has a circular opening 9A on the upper surface, and covers the operation body 8 so that the operation portion 8D protrudes from the circular opening 9A.
- the multidirectional operation switch 20 configured as described above, as shown in the sectional view of FIG. 9, when the operator tilts the operation portion 8D to the right side, the right pressing arm portion 8B pushes the pin 6 and the elastic body 5 The push switch 2 is pushed via As a result, the push switch 2 is turned on.
- the swinging part 8E pushes the protruding end part 4C of the detection pin 4 and the pressure sensitive body 3 is pushed. Since the resistance value decreases when the pressure sensitive body 3 is pressed, the tilt angle of the operation unit 8D is determined.
- the tilt direction and tilt angle of the operation unit 8D are determined from ON / OFF of the push switch 2 of the multidirectional operation switch 20 and the resistance value of the pressure sensitive body 3. Then, the display scroll direction and scroll speed of an electronic device (not shown) on which the multi-directional operation switch 20 is mounted, or the moving direction and moving speed of a selection icon or the like change.
- Patent Document 1 is known as prior art document information.
- the present invention solves such a conventional problem, and provides an operation switch with high tilt angle determination accuracy.
- the operation switch has a fixed electrode body, a conductive movable electrode body, and an operation body.
- the fixed electrode body has a first fixed electrode on the upper surface.
- the movable electrode body is provided on the fixed electrode body, and has a first pressing protrusion protruding toward the first fixed electrode.
- the operating body is provided on the movable electrode body and can be tilted in the first direction so as to push the first pressing protrusion from above.
- the movable electrode body is an elastic body, and the first pressing projection is deformed so that the capacitance with the first fixed electrode changes.
- the tilt angle of the operation body can be accurately determined.
- FIG. 1 is an exploded perspective view of a multidirectional operation switch according to an embodiment.
- FIG. 2 is a cross-sectional view of the multidirectional operation switch according to the embodiment.
- FIG. 3A is a perspective view of the movable electrode body of the multidirectional operation switch according to the embodiment.
- FIG. 3B is a perspective view of the movable electrode body of the multidirectional operation switch according to the embodiment.
- FIG. 4 is a top view of the fixed electrode body of the multidirectional operation switch according to the embodiment.
- FIG. 5 is a perspective sectional view of the multidirectional operation switch according to the embodiment.
- FIG. 6 is a cross-sectional view showing an operating state of the multidirectional operation switch according to the embodiment.
- FIG. 7 is a top view of the fixed electrode body in the operating state of the multidirectional operation switch according to the embodiment.
- FIG. 8 is a cross-sectional view of a conventional multidirectional operation switch.
- FIG. 9 is a cross-sectional view showing an operating state of a conventional multidirectional operation switch.
- FIG. 1 is an exploded perspective view of a multidirectional operation switch according to the present embodiment
- FIG. 2 is a cross-sectional view of the multidirectional operation switch according to the present embodiment.
- the multidirectional operation switch 100 has a lower case 21, a fixed electrode body 22, a movable electrode body 23, an operation body 24, a spring 25, and an upper case 26.
- the operating body 24 includes an operation unit 31, a pressing unit 32, and a tilting unit 33.
- the lower case 21 has a rectangular flat plate portion 21A, a bearing portion 21B, and a locking claw portion 21C.
- the bearing portion 21B has a cylindrical wall surface arranged at the center of the flat plate portion 21A.
- the locking claw portion 21C protrudes upward from the four sides of the flat plate portion 21A.
- the fixed electrode body 22 is a flexible printed wiring board, and has a rectangular electrode arrangement portion 22A and a cable portion 22B extending from the electrode arrangement portion 22A.
- a plurality of wires are arranged inside the cable portion 22B, and one end of the wires is arranged as a terminal 41 at the right end of the cable portion 22B.
- the other end of the wiring extends into the electrode placement portion 22A, and is connected to four rectangular ground electrodes 42 and four fan-shaped fixed electrodes 43A to 43D (first to fourth fixed electrodes).
- the ground electrode 42 and the fixed electrodes 43A to 43D are conductive, and the material is preferably a conductive metal such as copper or silver.
- the upper surfaces of the fixed electrodes 43A to 43D are covered with an insulating layer (not shown).
- the upper surface of the ground electrode 42 is not covered with an insulating layer.
- the ground electrode 42 is in contact with the conductive movable electrode body 23 and can be stably electrically connected to the movable electrode body 23.
- the movable electrode body 23 is made of a conductive material having elasticity such as conductive rubber.
- the conductive rubber is obtained by blending conductive carbon black or metal powder with a rubber base material such as natural rubber or synthetic rubber.
- the rubber base material can be appropriately selected from, for example, silicone rubber, isoprene rubber, natural rubber, chloroprene rubber, acrylic rubber, nitrile rubber, or ethylene propylene diene rubber.
- FIG. 3A is a perspective view of the movable electrode body 23 as viewed from above
- FIG. 3B is a perspective view of the movable electrode body 23 as viewed from below.
- the movable electrode body 23 has a circular opening 23A in the center.
- the movable electrode body 23 has eight hemispherical pressing protrusions 23B (first to fourth pressing protrusions) arranged at equal intervals around a circular opening 23A.
- the pressing protrusion 23B is provided so as to protrude downward.
- the movable electrode body 23 has an upper surface portion 23C around the pressing projection portion 23B.
- the movable electrode body 23 has a flat plate portion 23D that is lowered by one step through an inclined surface around the upper surface portion 23C.
- the periphery of the pressing protrusion 23B inside the flat plate portion 23D and the circular opening 23A is recessed.
- the lower surface of the flat plate portion 23D comes into contact with the ground electrode 42, and the entire movable electrode body 23 is at the ground potential.
- the lower surface of the pressing projection 23B of the movable electrode body 23 is in contact with the insulating layer on the fixed electrodes 43A to 43D. Since the pressing protrusion 23B is thinner than the flat plate 23D, it is easily deformed when the upper surface 23C is pressed from above.
- the lower end of the pressing projection 23B is disposed on the same circumference centered on the circular opening 23A.
- the upper surface portion 23C around the pressing protrusion 23B is pressed, and the pressing protrusion 23B is pressed against the fixed electrode body 22 to be deformed.
- the eight pressing projections 23B are located at approximately the same distance with respect to the fulcrum at which the operating body 24 tilts, variation in deformation of the pressing projection 23B due to the tilting direction is suppressed. That is, variation in the pressing force necessary to tilt the operating body 24 with respect to the tilting direction of the operating body 24 is suppressed.
- FIG. 4 is a top view of the fixed electrode body 22 showing a contact position when the movable electrode body 23 is arranged on the upper surface of the fixed electrode body 22.
- the contact portion 51 indicates a portion where the lower surface of each of the eight pressing projections 23B is in contact with the insulating layer on the fixed electrodes 43A to 43D. As shown in FIG. 4, there are two contact portions 51 on each of the fixed electrodes 43A to 43D.
- the operation unit 31, the pressing unit 32, and the tilting unit 33 constituting the operation body 24 are made of a moldable resin such as an insulating resin.
- the operation unit 31 includes a cylindrical gripping portion 31A and a shaft portion 31B extending downward from the gripping portion 31A.
- the pressing part 32 has a circular opening 32A at the center, and the radius of the outer periphery is substantially the same as the radius of the gripping part 31A.
- the pressing part 32 has a circumferential protrusion 32B on the lower surface.
- the tilting portion 33 has protrusions 33A on the front, rear, left and right sides, and the bottom surface has an arc shape.
- FIG. 5 is a perspective sectional view of the multidirectional operation switch 100. As shown in FIG. 5, the shaft portion 31B of the operation portion 31 is inserted into the circular opening 32A, and the lower end of the shaft portion 31B is combined with the protrusion 33A. Thereby, the operation part 31, the press part 32, and the tilt part 33 are united as the operation body 24.
- FIG. 5 is a perspective sectional view of the multidirectional operation switch 100. As shown in FIG. 5, the shaft portion 31B of the operation portion 31 is inserted into the circular opening 32A, and the lower end of the shaft portion 31B is combined with the protrusion 33A. Thereby, the operation part 31, the press part 32, and the tilt part 33 are united as the operation body 24.
- FIG. 5 is a perspective sectional view of the multidirectional operation switch 100. As shown in FIG. 5, the shaft portion 31B of the operation portion 31 is inserted into the circular opening 32A, and the lower end of the shaft portion 31B is combined with the protrusion 33A. Thereby, the operation part 31, the
- the tilting portion 33 is inserted into the bearing portion 21B, and the tilting portion 33 serves as a fulcrum for the operation portion 31 to tilt.
- the protrusion 32B is disposed so as to straddle the upper surface of the pressing protrusion 23B of the movable electrode body 23 and press the periphery of the pressing protrusion 23B from above.
- the spring 25 is formed by winding an alloy such as stainless steel or hard steel so as to have elasticity, and is arranged so as to insert the shaft portion 31B.
- the spring 25 is located between the upper case 26 and the pressing part 32 and acts to return the tilted operation part 31 to the neutral position.
- the upper case 26 is made of insulating resin or the like, has a circular opening 26A in the center, and has a box shape with the lower surface opened.
- the operation body 24, and the upper case 26 for example, polyacetal, nylon, polycarbonate, acrylonitrile butadiene styrene copolymer synthetic resin (ABS), or the like can be selected.
- ABS acrylonitrile butadiene styrene copolymer synthetic resin
- the insulating layer (not shown) disposed on the upper surfaces of the fixed electrodes 43A to 43D has been described as being disposed on the fixed electrode body 22 side, it may be disposed on the movable electrode body 23 side. Note that the insulating layer is easier to form when arranged on the fixed electrode body 22 side.
- the fixed electrode body 22 has been described as using a flexible printed board, but a rigid board such as a glass epoxy board may be used.
- the fixed electrode body 22 is disposed so that the electrode placement portion 22A overlaps the upper surface of the flat plate portion 21A of the lower case 21.
- the cable portion 22 ⁇ / b> B is exposed to the outside of the lower case 21.
- the movable electrode body 23 is arranged on the upper surface of the electrode arrangement portion 22A so that the pressing projection 23B is positioned on the fixed electrodes 43A to 43D and the lower surface of the flat plate portion 23D is in contact with the ground electrode 42.
- the shaft portion 31B of the operation portion 31 is inserted into the circular opening 26A of the upper case 26, and the shaft portion 31B is inserted into the circular opening 32A of the pressing portion 32 with the spring 25 inserted from below into the shaft portion 31B. To do. Further, the tilting portion 33 is fitted to the lower end of the shaft portion 31B.
- the tilting portion 33 is inserted into the bearing portion 21B, the upper case 26 is covered with the lower case 21, and the upper case 26 is locked to the lower case 21 with the locking claw portion 21C.
- the multi-directional operation switch 100 configured in this way is connected to an electronic circuit (not shown) of an electronic device via a terminal 41. Then, a predetermined potential is applied from the electronic circuit to the fixed electrodes 43A to 43D through the wiring in the fixed electrode body 22.
- the movable electrode body 23 is supplied with a ground potential from an electronic circuit via a ground electrode 42.
- the electronic circuit detects the capacitance generated between the movable electrode body 23 and the fixed electrodes 43A to 43D. For example, when the operation unit 31 is in the neutral position as shown in the cross-sectional view of FIG. 2, it is determined that the operation unit 31 is in the neutral position from the capacitance generated between the movable electrode body 23 and the fixed electrodes 43A to 43D. To do.
- the electronic circuit determines the tilt direction and tilt angle of the operation unit 31 based on the output signals from the fixed electrodes 43A to 43D, and performs control reflecting the tilt direction and tilt angle of the operation unit 31 on the electronic device.
- the capacitance detected by the fixed electrodes 43A to 43D is within a predetermined variation range if the tilting direction and tilting angle are the same.
- a multi-directional operation switch with high accuracy of tilt angle determination can be obtained by detecting a change in capacitance based on output signals from the fixed electrodes 43A to 43D and determining the tilt direction and tilt angle of the operation unit 31. Realized.
- the multi-directional operation switch having four fixed electrodes 43A to 43D has been described. However, there is one fixed electrode, and the tilt of the operation unit is determined from the change in capacitance with the movable electrode body. It may be an operation switch for detecting.
- the operation switch has a fixed electrode body, a conductive movable electrode body, and an operation body.
- the fixed electrode body 22 has a first fixed electrode 43A on the upper surface.
- the movable electrode body 23 is provided on the fixed electrode body 22 and has a first pressing protrusion 23B that protrudes toward the first fixed electrode 43A.
- the operating body 24 is provided on the movable electrode body 23 and can be inclined in the first direction so as to push the first pressing protrusion 23B from above.
- the movable electrode body 23 is an elastic body, and the first pressing protrusion 23B is deformed so that the capacitance with the first fixed electrode 43A changes.
- the operation switch can systematically determine the tilt angle of the operation body 24.
- the operation switch has a second fixed electrode 43 ⁇ / b> C provided on the upper surface of the fixed electrode body 22 and a second pressing protrusion 23 ⁇ / b> B provided on the movable electrode body 23 that protrudes toward the second fixed electrode 43 ⁇ / b> C. And.
- the operating body 24 can be inclined in the second direction so as to push the second pressing protrusion 23B from above.
- the second pressing protrusion 23B is deformed so that the capacitance with the second fixed electrode 43C changes.
- the tilt angle of the operating tool 24 can be determined systematically, and two tilting directions of the operating tool 24 can be detected.
- first direction and the second direction are directions different by 180 degrees.
- the operation switch has a third fixed electrode 43B and a fourth fixed electrode 43D provided on the upper surface of the fixed electrode body 22.
- the operation switch protrudes toward the third fixed electrode 43B, protrudes toward the third pressing protrusion 23B provided on the movable electrode body 23, and the fourth fixed electrode 43D, and is provided on the movable electrode body 23.
- a fourth pressing projection 23B a fourth pressing projection 23B.
- the third pressing projection 23B is deformed so that the capacitance with the third fixed electrode 43B changes, and the fourth pressing projection 23B has a change in capacitance with the fourth fixed electrode 43D.
- Deform to The first fixed electrode 43A, the second fixed electrode 43C, the third fixed electrode 43B, and the fourth fixed electrode 43D are arranged so as to be located on the same circumference.
- the operating body 24 can be tilted in the front-rear and left-right directions so as to push the movable electrode body 23 from above.
- the tilt angle of the operating tool 24 can be determined systematically, and the multi-directional tilting direction of the operating tool 24 can be detected.
- the operation switch further includes a ground electrode 42 provided on the fixed electrode body 22.
- the ground electrode 42 and the movable electrode body 23 are electrically connected.
- the movable electrode body 23 can be set to the ground potential with a simple structure.
- the operation switch according to the present invention has an advantageous effect that the tilt angle of the operation body can be accurately determined, and is mainly useful for operation of various electronic devices.
Landscapes
- Switches With Compound Operations (AREA)
Abstract
Description
図1は本実施の形態による多方向操作スイッチの分解斜視図、図2は本実施の形態による多方向操作スイッチの断面図である。
21A 平板部
21B 軸受部
21C 係止ツメ部
22 固定電極体
22A 電極配置部
22B ケーブル部
23 可動電極体
23A 円形の開口
23B 押圧突起部
23C 上面部
23D 平板部
24 操作体
25 バネ
26 上ケース
26A 円形の開口
31 操作部
31A 把持部
31B 軸部
32 押圧部
32A 円形の開口
32B 突出部
33 傾動部
33A 突起
41 端子
42 グランド電極
43A~43D 固定電極
51,51A~51D 接触部
100 多方向操作スイッチ
Claims (5)
- 上面に第1の固定電極を有する固定電極体と、
前記固定電極体の上に設けられ、前記第1の固定電極に向かって突出した第1の押圧突起部を有する導電性の可動電極体と、
前記可動電極体の上に設けられ、前記第1の押圧突起部を上方から押すように第1の方向に傾くことができる操作体と、を備え、
前記可動電極体は弾性体であり、前記第1の押圧突起部は、前記第1の固定電極との静電容量が変化するように変形する操作スイッチ。 - 前記固定電極体の上面に設けられた第2の固定電極と、
前記第2の固定電極に向かって突出し、前記可動電極体に設けられた第2の押圧突起部と、をさらに備え、
前記操作体は、前記第2の押圧突起部を上方から押すように第2の方向に傾くことができ、
前記第2の押圧突起部は、前記第2の固定電極との静電容量が変化するように変形する請求項1に記載の操作スイッチ。 - 前記第1の方向と前記第2の方向とは、180度異なる方向である請求項2に記載の操作スイッチ。
- 前記固定電極体の上面に設けられた第3の固定電極および第4の固定電極と、
前記第3の固定電極に向かって突出し、前記可動電極体に設けられた第3の押圧突起部と、
前記第4の固定電極に向かって突出し、前記可動電極体に設けられた第4の押圧突起部と、をさらに備え、
前記第3の押圧突起部は、前記第3の固定電極との静電容量が変化するように変形し、
前記第4の押圧突起部は、前記第4の固定電極との静電容量が変化するように変形し、
前記第1の固定電極と前記第2の固定電極と前記第3の固定電極と前記第4の固定電極とは、同一円周上に位置するように配置され、
前記操作体は、前記可動電極体を上方から押すように前後左右の方向に傾くことができる請求項2に記載の操作スイッチ。 - 前記固定電極体に設けられたグランド電極をさらに備え、
前記グランド電極と前記可動電極体とは電気的に接続されている請求項1から4のいずれか1項に記載の操作スイッチ。
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JP2014529265A JP6421329B2 (ja) | 2012-08-08 | 2013-07-19 | 操作スイッチ |
US14/410,104 US9627161B2 (en) | 2012-08-08 | 2013-07-19 | Operating switch |
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JP2012175708 | 2012-08-08 | ||
JP2012-175708 | 2012-08-08 |
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US9627161B2 (en) * | 2012-08-08 | 2017-04-18 | Panasonic Intellectual Property Management Co., Ltd. | Operating switch |
CN205050749U (zh) * | 2015-08-30 | 2016-02-24 | 东莞市凯华电子有限公司 | 高精度多方向输入装置 |
USD822561S1 (en) * | 2016-04-12 | 2018-07-10 | Denis Hochhalter | Gear shift knob |
US11376006B2 (en) | 2019-02-06 | 2022-07-05 | Covidien Lp | End effector force measurement with digital drive circuit |
US10770247B1 (en) * | 2019-11-27 | 2020-09-08 | Dongguan City Kaihua Electronics Co., Ltd | Varistor type multi-directional input device |
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US9627161B2 (en) * | 2012-08-08 | 2017-04-18 | Panasonic Intellectual Property Management Co., Ltd. | Operating switch |
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2013
- 2013-07-19 US US14/410,104 patent/US9627161B2/en active Active
- 2013-07-19 WO PCT/JP2013/004414 patent/WO2014024394A1/ja active Application Filing
- 2013-07-19 JP JP2014529265A patent/JP6421329B2/ja active Active
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JPH11213818A (ja) * | 1998-01-22 | 1999-08-06 | Mitsumi Electric Co Ltd | ポインティングスイッチ |
JP2002270070A (ja) * | 2001-03-07 | 2002-09-20 | Smk Corp | 入力装置 |
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JPWO2014024394A1 (ja) | 2016-07-25 |
US9627161B2 (en) | 2017-04-18 |
JP6421329B2 (ja) | 2018-11-14 |
US20150325392A1 (en) | 2015-11-12 |
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