JP6250653B2 - 対象物の移動を検出する静電容量センサ - Google Patents
対象物の移動を検出する静電容量センサ Download PDFInfo
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- JP6250653B2 JP6250653B2 JP2015517681A JP2015517681A JP6250653B2 JP 6250653 B2 JP6250653 B2 JP 6250653B2 JP 2015517681 A JP2015517681 A JP 2015517681A JP 2015517681 A JP2015517681 A JP 2015517681A JP 6250653 B2 JP6250653 B2 JP 6250653B2
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- 239000012212 insulator Substances 0.000 claims description 65
- 239000003990 capacitor Substances 0.000 claims description 37
- 229920001971 elastomer Polymers 0.000 claims description 9
- 238000011156 evaluation Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 238000013459 approach Methods 0.000 claims description 4
- 239000000806 elastomer Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/14—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators
- G01L1/142—Measuring force or stress, in general by measuring variations in capacitance or inductance of electrical elements, e.g. by measuring variations of frequency of electrical oscillators using capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
- G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
- G01D5/2417—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying separation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0338—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/01—Details
- H01G5/013—Dielectrics
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G5/00—Capacitors in which the capacitance is varied by mechanical means, e.g. by turning a shaft; Processes of their manufacture
- H01G5/01—Details
- H01G5/013—Dielectrics
- H01G5/0134—Solid dielectrics
- H01G5/0136—Solid dielectrics with movable electrodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
- H03K17/965—Switches controlled by moving an element forming part of the switch
- H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Push-Button Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Electronic Switches (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
Claims (8)
- 制御装置のキー動作の検出を含む、対象物の移動を検出するための静電容量センサであって、
第1電極(30;32)と、
前記対象物と接続又は機械的結合されるように、或いは、前記対象物上に設置されるように具備され、前記対象物が移動したとき、前記第1電極(30;32)からの距離が変化する第2電極(34;36)と、
前記2つの電極(30、34;32、36)により形成され、電極(30、34;32、36)の間に容積部(40)を備え、前記対象物が移動したときに大きさが変化する第1のキャパシタ(26;28)と、
前記2つの電極(30、34;32、36)と接続され、前記2つの電極間の間隔及び容積の変化によりもたらされる、前記2つの電極(30、34;32、36)間の静電容量の変化を測定するように動作する評価装置(38)と、を含み、
前記2つの電極(30、34;32、36)の間に、気体状ではない変形可能な第1の絶縁体(42)が設置され、
該第1の絶縁体(42)は、少なくとも1つの気体容積部(44)を画定する、或いは、前記2つの電極(30、34;32、36)の少なくとも一方と共に気体容積部(44)を画定するものであり、前記気体容積部(44)が気体状の第2の絶縁体で満たされており、
前記2つの電極(30、34;32、36)が互いに接近するとき、該2つの電極間の前記気体容積部(44)及び前記容積部(40)から、前記第2の絶縁体の少なくとも一部が抜け出し、
前記2つの電極(30、34;32、36)が互いに接近するとき、該2つの電極(30、34;32、36)間の前記容積部(40)の、前記第1の絶縁体(42)で占められている部分が増大し、前記2つの電極(30、34;32、36)間の前記容積部(40)の、前記第2の絶縁体で占められている部分が減少し、
前記第1の絶縁体(42)は、非変形状態でレンズ形状であり、前記電極(30、34;32、36)に対向する2つの外面を有し、前記気体容積部(44)が、前記外面と前記電極(30、34;32、36)との間に形成されることを特徴とする静電容量センサ。 - 前記第1の絶縁体(42)が、オープンセルの材料で構成されることを特徴とする請求項1記載の静電容量センサ。
- 前記少なくとも1つの気体容積部(44)が、前記電極(30、34;32、36)間の前記容積部(40)の外側へ向かって開口する、前記第1の絶縁体(42)内の凹部により形成される、或いは、前記電極(30、34;32、36)間の前記容積部(40)の外側へ向かって開口する、前記第1の絶縁体(42)の表面形状により形成されることを特徴とする請求項1又は2記載の静電容量センサ。
- 前記第1の絶縁体(42)が、弾力性を有することを特徴とする請求項1から3のいずれか1項記載の静電容量センサ。
- 前記第1の絶縁体(42)が、エラストマーであることを特徴とする請求項1から4のいずれか1項記載の静電容量センサ。
- 前記エラストマーがゴムであることを特徴とする請求項5記載の静電容量センサ。
- 前記第1の絶縁体(42)が、前記第2の絶縁体よりも大きい比誘電率を有することを特徴とする請求項1から6のいずれか1項記載の静電容量センサ。
- 第1電極(30;32)と、前記対象物と接続又は機械的結合されるように、或いは、前記対象物上に設置されるように具備される第2電極(34;36)と、を含む第2のキャパシタ(26;28)を更に含み、
前記対象物が移動したとき、前記2つのキャパシタ(26;28)の前記電極(30、34;32、36)間の距離が反対方向に変化し、
前記キャパシタ(26;28)の双方は、前記電極間に、気体状ではない第1の絶縁体と、気体状の第2の絶縁体とを含み、
双方の前記キャパシタ(26;28)の前記電極(30、34;32、36)が、前記評価装置(38)へ接続されていることを特徴とする請求項1から7のいずれか1項記載の静電容量センサ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012210277A DE102012210277B3 (de) | 2012-06-19 | 2012-06-19 | Kapazitiver Sensor zur Erfassung der Bewegung eines Objekts |
DE102012210277.9 | 2012-06-19 | ||
PCT/EP2013/062157 WO2013189807A1 (de) | 2012-06-19 | 2013-06-12 | Kapazitiver sensor zur erfassung der bewegung eines objekts |
Publications (2)
Publication Number | Publication Date |
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JP2015529989A JP2015529989A (ja) | 2015-10-08 |
JP6250653B2 true JP6250653B2 (ja) | 2017-12-20 |
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Application Number | Title | Priority Date | Filing Date |
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JP2015517681A Active JP6250653B2 (ja) | 2012-06-19 | 2013-06-12 | 対象物の移動を検出する静電容量センサ |
Country Status (8)
Country | Link |
---|---|
US (1) | US9638587B2 (ja) |
EP (1) | EP2861938B8 (ja) |
JP (1) | JP6250653B2 (ja) |
KR (1) | KR102055348B1 (ja) |
CN (1) | CN104412069B (ja) |
DE (1) | DE102012210277B3 (ja) |
ES (1) | ES2700582T3 (ja) |
WO (1) | WO2013189807A1 (ja) |
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2012
- 2012-06-19 DE DE102012210277A patent/DE102012210277B3/de active Active
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2013
- 2013-06-12 JP JP2015517681A patent/JP6250653B2/ja active Active
- 2013-06-12 WO PCT/EP2013/062157 patent/WO2013189807A1/de active Application Filing
- 2013-06-12 US US14/409,547 patent/US9638587B2/en active Active
- 2013-06-12 KR KR1020147034999A patent/KR102055348B1/ko active IP Right Grant
- 2013-06-12 CN CN201380032121.8A patent/CN104412069B/zh active Active
- 2013-06-12 EP EP13729320.5A patent/EP2861938B8/de active Active
- 2013-06-12 ES ES13729320T patent/ES2700582T3/es active Active
Also Published As
Publication number | Publication date |
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DE102012210277B3 (de) | 2013-08-22 |
EP2861938A1 (de) | 2015-04-22 |
CN104412069A (zh) | 2015-03-11 |
US20150341031A1 (en) | 2015-11-26 |
EP2861938B8 (de) | 2018-10-17 |
JP2015529989A (ja) | 2015-10-08 |
KR102055348B1 (ko) | 2019-12-12 |
EP2861938B1 (de) | 2018-09-12 |
KR20150020564A (ko) | 2015-02-26 |
ES2700582T3 (es) | 2019-02-18 |
WO2013189807A1 (de) | 2013-12-27 |
US9638587B2 (en) | 2017-05-02 |
CN104412069B (zh) | 2016-10-12 |
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