CN103181081B - 用于电容开关的开关壳 - Google Patents
用于电容开关的开关壳 Download PDFInfo
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- CN103181081B CN103181081B CN201180051435.3A CN201180051435A CN103181081B CN 103181081 B CN103181081 B CN 103181081B CN 201180051435 A CN201180051435 A CN 201180051435A CN 103181081 B CN103181081 B CN 103181081B
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- 239000004917 carbon fiber Substances 0.000 claims abstract description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 5
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Classifications
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- 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
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- 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
- H03K17/96—Touch switches
- H03K17/962—Capacitive touch switches
- H03K17/9622—Capacitive touch switches using a plurality of detectors, e.g. keyboard
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
- B29C2045/169—Making multilayered or multicoloured articles injecting electrical circuits, e.g. one layer being made of conductive material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H2009/0285—Casings overmoulded over assembled switch or relay
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
- H01H2011/0081—Apparatus or processes specially adapted for the manufacture of electric switches using double shot moulding, e.g. for forming elastomeric sealing elements on form stable casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2229/00—Manufacturing
- H01H2229/044—Injection moulding
- H01H2229/046—Multi-colour or double shot injection moulding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2239/00—Miscellaneous
- H01H2239/006—Containing a capacitive switch or usable as such
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/96—Touch switches
- H03K2217/9607—Capacitive touch switches
- H03K2217/960755—Constructional details of capacitive touch and proximity switches
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
- Manufacture Of Switches (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
本发明涉及一种用于电容开关的开关壳（10），该开关壳具有外部的接触面和在内侧设置成与所述接触面对置的平的电极结构（14），这些电极结构按双组分注射成型法以可导电的第二塑料组分引入到由不可导电的第一塑料组分注射的壳体的留空的区域(12)中。两种塑料组分优选涉及的是聚碳酸酯，其中，第二塑料组分包含碳纤维。
Description
技术领域
本发明涉及一种用于制造电容开关用的开关壳的方法;一种具有集成的、可导电的电极结构的开关壳；和一种配备有所述开关壳的电容开关。
背景技术
原则上电容开关包括在由绝缘材料构成的层的一侧上的平的电极，其背向这一侧的平面构成接触面。用于电容开关的开关壳通常由塑料制成。开关壳的正面构成接触面，而且在开关壳的内侧上的与该接触面对置的平面具有导电的电极结构。这种电极结构可以作为带有所谓的传导漆或其它导电材料的导电层涂覆在开关壳的不导电的塑料上。通过通常的涂层方法只能涂覆薄的层。所需的电极结构可能具有复杂的结构，从而需要特殊的涂层方法。为了电极结构的安全的触点接通需要准确的三维结构，这些三维结构通过涂层方法很难能实现。此外应用在汽车领域时，传统的涂层方案易受机械破坏且有腐蚀危险。
发明内容
通过本发明提供一种用于通过双组分注射成型法来制造用于电容开关的、具有接触面的开关壳的方法。首先用电绝缘的第一塑料组分注射壳体，该壳体在内侧具有与接触面对置的留空的区域。然后将可导电的第二塑料组分注射到所述留空的区域中，该第二塑料组分与所述第一塑料组分包含相同的基础材料，例如聚碳酸酯。第二塑料组分的导电性通过掺合导电颗粒如碳纤维而获得。这种用可导电的塑料组分注射的结构可以具有任意的复杂性并且可以具有足够的厚度，以便保证高的机械强度。这样获得的电极结构进入与不可导电的第一塑料组分的内部连接，这是因为两种塑料组分具有相同的基础材料。
通过本发明所提供的用于电容开关的开关壳具有外部的接触面和在内侧设置成与该接触面对置的平的电极结构，该电极结构按双组分注射成型法以可导电的第二塑料组分引入到由不可导电的第一塑料组分注射的壳体的流空的区域中。两种塑料组分优选涉及的是聚碳酸酯，其中，第二塑料组分包含碳纤维。
在一种优选的实施方式中，所述平的电极结构具有留空的窗口，而且所述接触面相对这些留空的窗口是透光的。配备有这种开关壳的根据本发明的开关具有设置在开关壳的接触面上的符号，这些符号可以通过电极结构的所述留空的窗口并且穿过开关壳的变薄的壁区域而被照射。
在本发明的改进方案中，平的电极结构构造有成型的接片，这些接片引导向成型在壳体的内侧上的触点接通块；该触点接通块具有凹部，所述接片的端部定位在这些凹部中并且构成与所述触点接通块的表面齐平的触点接通面。因此毫无问题地可以使电极结构与处在其上的电路板通过简单地插入导电橡皮结构而进行触点接通。
附图说明
本发明的另外的特征和优势通过下文中对优选的实施方式的描述及通过所参照的附图获得。附图中：
图1：在电极结构引入前的开关壳的透视图；
图2：带有引入的电极结构的开关壳；
图3：带有放上的电路板的开关壳；和
图4：通过采用开关壳制成的电容开关的透视图。
具体实施方式
用于电容开关的开关壳通过双组分注射成型法制成。图1示出通常方形的开关壳，该开关壳用不可导电的第一塑料组分注射，见内侧。整体用10表示的开关壳的与所述内侧对置的正面构成电容开关的接触面。在对置的内侧上，相应的壁构造有平的凹部12。按双组分注射成型法将可导电的第二塑料组分引入这些平的凹部中。结果在图2中示出。用第二塑料组分注射的结构可导电并且具有电容开关所需要的电极结构的形式。这些电极结构14具有成型的接片14a，这些接片引导向成型在壳体的内侧上的触点接通块16a或者16b。这些触点接通块16a、16b具有凹部，所述接片14a的端部定位在这些凹部中。在接片14a的端部上的接触面齐平的处在触点接通块16a、16b的表面中。此外在图2中可以看到：电极结构14具有留空的窗口18。此外在壳体10的内侧上成型有柱形的电路板支柱20。
在图3所示的安装状态中，电路板放置在电路板支柱20上。电路板22的线路具有与触点接通块16a、16b对置的触点接通区域。电极结构14与电路板的连接通过处于其间的传导橡皮元件来实现。电路板配备有电容开关的评价电子装置。
图4所示的完成的电容开关的正侧设有符号，这些符号配属给可使用的开关功能。符号和文字借助激光射线从漆层中切出。开关壳的处于其下的材料由于凹部12而具有减小的壁厚并且因此具有好的透光性。通过设置在电路板22上的光源、特别是发光二极管，穿过电极结构14中的窗口18、从开关壳的内侧照射这些符号。
用于不导电的第一塑料组分的优选的塑料材料是聚碳酸酯，壳体10由该第一塑料组分注射而成。为必须可导电的第二塑料组分也选择聚碳酸酯，但是选择通过掺合碳纤维而可导电的聚碳酸酯。两种塑料通过双组分注射成型法而进入内部连接。通过这种方法也可以获得准确的、必需的三维结构，以便保证在大量生产过程中，电极结构直至电路板的毫无问题安全的触点接通。这种电容开关由于其结实、无磨损和抗腐蚀性而很好地适用于在汽车领域。
Claims (5)
1.用于电容开关的开关壳，该开关壳具有外面的接触面和在内侧设置成与该接触面对置的平的电极结构，这些平的电极结构按双组分注射成型法以可导电的第二塑料组分引入到由不可导电的第一塑料组分注射的壳体的留空的区域中，并且其中，所述平的电极结构构造有成型的接片，这些接片引导向成型在壳体的内侧上的触点接通块，其中，所述平的电极结构具有留空的窗口，而且所述接触面相对这些留空的窗口是透光的，其中，设置有电路板，该电路板附加地配备有发光元件，这些发光元件通过所述电极结构的留空的窗口并且穿过所述开关壳的变薄的壁面区域照射设置在所述开关壳的接触面上的符号。
2.如权利要求1所述的开关壳，其中，两种塑料组分是聚碳酸酯，而且所述第二塑料组分包含碳纤维。
3.如权利要求1所述的开关壳，其中，所述触点接通块具有凹部，所述接片的端部定位在这些凹部中并且构成与所述触点接通块的表面齐平的触点接通面。
4.如权利要求1至3之任一项所述的开关壳，其中，在内侧、在所述壳体上成型有柱形的印制电路支柱。
5.具有如权利要求1至4之任一项所述的开关壳的电容开关，其中，所述电路板配备有评价电子装置，该电路板设置在所述开关壳的底部上并且与所述电极结构进行电连接。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010045199.1 | 2010-09-13 | ||
| DE201010045199 DE102010045199A1 (de) | 2010-09-13 | 2010-09-13 | Schaltergehäuse für kapazitive Schalter |
| PCT/EP2011/065819 WO2012034994A1 (de) | 2010-09-13 | 2011-09-13 | Schaltergehäuse für kapazitive schalter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103181081A CN103181081A (zh) | 2013-06-26 |
| CN103181081B true CN103181081B (zh) | 2016-05-18 |
Family
ID=44674776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180051435.3A Expired - Fee Related CN103181081B (zh) | 2010-09-13 | 2011-09-13 | 用于电容开关的开关壳 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US9722603B2 (zh) |
| EP (1) | EP2617133B1 (zh) |
| CN (1) | CN103181081B (zh) |
| DE (1) | DE102010045199A1 (zh) |
| WO (1) | WO2012034994A1 (zh) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012019603A1 (de) * | 2012-10-05 | 2014-04-10 | Ziehl-Abegg Ag | Vorrichtung zum Steuern bzw. Regeln von Elektromotoren, Frequenz- bzw. Spannungswandlern |
| DE102012022741B4 (de) * | 2012-11-21 | 2024-01-18 | Audi Ag | Betätigungsvorrichtung zum manuellen Einstellen einer Funktion eines Fahrzeugs und Verfahren zum Herstellen der Betätigungsvorrichtung |
| DE102017119235B3 (de) | 2017-08-23 | 2018-12-13 | Trw Automotive Electronics & Components Gmbh | Kraftfahrzeugbedienvorrichtung sowie Verfahren zur Herstellung einer zumindest teilweise elektrisch leitfähigen Bedieneinheit für eine Kraftfahrzeugbedienvorrichtung |
| CN110448293A (zh) * | 2019-08-05 | 2019-11-15 | 苏州米特希赛尔人工智能有限公司 | 一种心电图检测干电极 |
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| DE3518975A1 (de) * | 1985-05-25 | 1986-11-27 | Bayer Ag, 5090 Leverkusen | Kunststoffteil |
| US5917165A (en) * | 1997-02-17 | 1999-06-29 | E.G.O. Elektro-Geraetebau Gmbh | Touch switch with flexible, intermediate conductive spacer as sensor button |
| US6110576A (en) * | 1998-10-16 | 2000-08-29 | Lucent Technologies Inc. | Article comprising molded circuit |
| DE10118487A1 (de) * | 2001-04-12 | 2002-10-17 | Demag Ergotech Gmbh | Kunststoffformteil mit Leiterbahnstruktur, insbesondere kontaktlose Chipkarte mit Antennenstruktur, und Verfahren zur Herstellung eines solchen Formteils |
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| WO2009054592A1 (en) * | 2007-10-23 | 2009-04-30 | Ad Semicondictor Co., Ltd. | Capacitive switch module |
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| EP1054420A1 (de) * | 1999-05-18 | 2000-11-22 | Molex Incorporated | Tastenfeld für ein elektrisches oder elektronisches Gerät sowie Verfahren zu dessen Herstellung |
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| DE102007035455A1 (de) * | 2007-07-26 | 2009-02-05 | Diehl Ako Stiftung & Co. Kg | Kapazitiver Berührungsschalter |
| DE102008016284A1 (de) * | 2008-03-28 | 2009-10-08 | Lic Langmatz Gmbh | Vorrichtung zum Auslösen eines Schaltvorgangs insbesondere Anforderungsgerät für eine Verkehrsampel |
| JP5604430B2 (ja) * | 2009-07-27 | 2014-10-08 | パナソニック株式会社 | 操作装置及びその操作装置を用いた加熱調理器 |
| KR101471801B1 (ko) * | 2009-08-21 | 2014-12-10 | 애플 인크. | 정전용량 감지를 위한 방법 및 장치 |
-
2010
- 2010-09-13 DE DE201010045199 patent/DE102010045199A1/de not_active Withdrawn
-
2011
- 2011-09-13 WO PCT/EP2011/065819 patent/WO2012034994A1/de active Application Filing
- 2011-09-13 EP EP11760445.4A patent/EP2617133B1/de not_active Not-in-force
- 2011-09-13 US US13/822,302 patent/US9722603B2/en not_active Expired - Fee Related
- 2011-09-13 CN CN201180051435.3A patent/CN103181081B/zh not_active Expired - Fee Related
-
2017
- 2017-06-20 US US15/627,487 patent/US20170282425A1/en not_active Abandoned
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3518975A1 (de) * | 1985-05-25 | 1986-11-27 | Bayer Ag, 5090 Leverkusen | Kunststoffteil |
| US5917165A (en) * | 1997-02-17 | 1999-06-29 | E.G.O. Elektro-Geraetebau Gmbh | Touch switch with flexible, intermediate conductive spacer as sensor button |
| US6110576A (en) * | 1998-10-16 | 2000-08-29 | Lucent Technologies Inc. | Article comprising molded circuit |
| DE10118487A1 (de) * | 2001-04-12 | 2002-10-17 | Demag Ergotech Gmbh | Kunststoffformteil mit Leiterbahnstruktur, insbesondere kontaktlose Chipkarte mit Antennenstruktur, und Verfahren zur Herstellung eines solchen Formteils |
| US6960735B2 (en) * | 2004-03-17 | 2005-11-01 | Lear Corporation | Multi-shot molded touch switch |
| CN1690520A (zh) * | 2004-04-23 | 2005-11-02 | 林内株式会社 | 炉具 |
| WO2009054592A1 (en) * | 2007-10-23 | 2009-04-30 | Ad Semicondictor Co., Ltd. | Capacitive switch module |
| CN201167307Y (zh) * | 2008-03-18 | 2008-12-17 | 刘坚 | 浮雕画式绝缘体触摸、遥控两用墙壁开关 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170282425A1 (en) | 2017-10-05 |
| EP2617133A1 (de) | 2013-07-24 |
| US9722603B2 (en) | 2017-08-01 |
| US20130270926A1 (en) | 2013-10-17 |
| CN103181081A (zh) | 2013-06-26 |
| DE102010045199A1 (de) | 2012-03-15 |
| WO2012034994A1 (de) | 2012-03-22 |
| EP2617133B1 (de) | 2018-03-28 |
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