CN102263549B - Touch key device and assemble method thereof - Google Patents
Touch key device and assemble method thereof Download PDFInfo
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- CN102263549B CN102263549B CN201010184403.8A CN201010184403A CN102263549B CN 102263549 B CN102263549 B CN 102263549B CN 201010184403 A CN201010184403 A CN 201010184403A CN 102263549 B CN102263549 B CN 102263549B
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Abstract
Present invention is disclosed a kind of touch key device, be arranged on the lower panels of household electrical appliance, it comprises the sensing element contacted with described panel, support the resilient support members of described sensing element, and a support be fixedly attached on described panel, this support has a receiving space towards described panel side, described sensing element is accommodated and is positioned in described receiving space and also can move up in the elastic telescopic side of described resilient support members, and one end of described resilient support members is passed described receiving space and is resisted against on described sensing element.
Description
[technical field]
The present invention relates to a kind of touch key device and assemble method thereof, refer in particular to a kind of touch key device and the assemble method thereof that are arranged on the lower panels of household electrical appliance.
[background technology]
Touch-key is widely used in the fields such as household electrical appliance due to advantages such as tailored appearance is attractive in appearance, it is sensitive to reflect, long service life.
US Patent No. 4,293,745 disclose a kind of capacitance type touch key.The concrete structure of this button is in accompanying drawing 1 and the clear expression in accompanying drawing 2 of this United States Patent (USP), and its weak point has 2 points: one, and the component parts of whole key device is too many, and structure is too complicated, is unfavorable for assembling use efficiently; Its two, completely separate between sensing element 26 and panel 12, in an assembling process, sensing element may be caused can not to be positioned exactly immediately below the touch area of panel 12, thus may make touch feedback be not very sensitive.
As improvement, another part Chinese invention patent application 200710024349.9 of the applicant discloses the touch button device that a kind of structure is simple, be convenient to assembling.But this induction installation also Shortcomings: its support portion 6 is supplied to induction part 5 elastic anchorage force by the shell fragment bent, but the elasticity of shell fragment is not easy to obtain permanent guarantee, when shell fragment loses enough elasticity, may cause induction part 5 can not with panel close contact.
[summary of the invention]
Correspondingly, an object of the present invention be easy to assembly, contact reliable touch key device.
Another object of the present invention is to the assemble method of the touch key device that a kind of improvement is provided.
The touch key device of one embodiment of the present invention, is arranged on the lower panels of household electrical appliance, and it comprises the sensing element contacted with described panel, supports the resilient support members of described sensing element, and is fixedly attached to the support on described panel.This support have towards the receiving space of described panel side, described sensing element is accommodated and is positioned in described receiving space and also can move up in the elastic telescopic side of described resilient support members, and one end of described resilient support members is passed described receiving space and is resisted against on described sensing element.
As a further improvement on the present invention, described sensing element comprises induction part and vertically bends the displacement guide part of extension respectively from the two ends of induction part, the receiving space two ends of described support have groove, when described sensing element collecting is positioned in described receiving space, described displacement guide part inserts in groove.
As a further improvement on the present invention, described sensing element comprises induction part and vertically bends the displacement guide part of extension respectively from the two ends of induction part, described displacement guide part forms opening, the receiving space inwall of described support has protuberance, when described sensing element collecting is positioned in described receiving space, described protuberance inserts in the opening on described displacement guide part.
As a further improvement on the present invention, described sensing element is be housed in sensing chip flat in the receiving space of support.
The assemble method of the touch key device of one embodiment of the present invention comprises the steps:
A sensing element location is placed in the receiving space of support by ();
B support is fixedly attached to the below of panel by (), sensing element is contacted with the lower surface of panel, or makes to retain small gap between sensing element and the lower surface of panel;
C one end of resilient support members is passed this receiving space and is resisted against on described sensing element by (), the elastic force produced by compressing due to resilient support members makes sensing element be tightly resisted against the below of panel.
The invention has the beneficial effects as follows: by be pre-positioned in by sensing element on support and to be fixed on the below of panel, can ensure that sensing element is accurately corresponding with the corresponding touch area on panel; Again by resilient support members by the reliable elasticity support force provided after compressing, can ensure that sensing element is together with the lower surface close contact of panel.
[Brief Description Of Drawings]
Fig. 1 is the perspective exploded view of the touch key device of one embodiment of the present invention and panel, circuit board.
Fig. 2 is the schematic diagram of sensing element before the receiving space loading support of the execution mode in Fig. 1.
Fig. 3 is the schematic diagram of sensing element after the receiving space loading support in Fig. 2.
Fig. 4 is the schematic diagram after touch key device in Fig. 3 and panel, circuit board composition.
Fig. 5 is the schematic diagram of sensing element before the receiving space loading support of the touch key device of the another kind of execution mode of invention.
Fig. 6 is the schematic diagram of sensing element after the receiving space loading support in Fig. 5.
Fig. 7 is the schematic diagram after touch key device in Fig. 6 and panel, circuit board composition.
[embodiment]
With reference to figure 1, the touch key device of one embodiment of the present invention is arranged between the panel 1 of household electrical appliance and the control circuit board 2 of household electrical appliance, and this touch key device comprises sensing element 3, support 4 and resilient support members 5.Panel 1 corresponds to size and several touch buttons 10 of distributed number of sensing element 3, when the finger touch button 10 of operator, the change of sensing element 3 inductance capacitance, and by information by feeding back to control circuit board 2 with resilient support members.
With reference to figure 2, sensing element 3 is metallic sheet-like formation, and it comprises the sheet induction part 30 displacement guide part 32 that bend extension vertical with from the two ends of induction part 30 of a plane.Support 4 is made of plastics, and its size corresponding to sensing element 3 and quantity arrange some doing for the receiving space 40 of locating with accommodate sensing element 3, and receiving space 40 runs through the upper and lower surfaces of support 4.The two ends of receiving space 40 have groove 42, and groove 42 equally also runs through the upper and lower surfaces of support 4 in the present embodiment, but groove can not run through the lower surface of support 4 in other implementations.With reference to figure 3, when sensing element 3 is installed in receiving space 40, the displacement guide part 32 of sensing element 3 is inserted in groove 42, and make induction part 30 be lived by the side wall support of groove 42 and be positioned at the position of the upper surface being slightly higher than support 4, from this angle, it is located by sensing element 3 that receiving space 40 acts on more, the benefit of this location is apparent, first, because displacement guide part 32 is inserted in groove 42, sensing element 3 can not be fallen down from support 4 easily due to the effect of external force, secondly, can once multiple sensing element 3 be encased in the corresponding receiving space 40 on a support 4, be beneficial to quick assembling, in addition, width due to groove 42 is greater than the thickness of displacement guide part 32, sensing element 3 can be easier to do upper and lower displacement relative to support 4 in receiving space 42.
With reference to figure 4, the assemble method of touch key device comprises the steps:
A sensing element 3 location is placed in the receiving space 40 of support 4 by (), and make displacement guide part 32 be inserted in groove 42;
B support 4 is fixedly attached to the below of panel 1 by (), sensing element 3 is contacted with the lower surface of panel 1, or make to retain small gap between the lower surface of sensing element 3 and panel 1, guarantee the position one_to_one corresponding of the induction part 30 of sensing element 3 and the button 10 of panel 1 simultaneously, the common mode such as to be clasped can be used to realize as support 4 and the connected mode of panel 1;
C one end of resilient support members 5 is passed this receiving space 40 and is resisted against on the lower surface of induction part 32 of sensing element 3 by (), the elastic force produced by compressing due to resilient support members 3 makes induction part 32 be tightly resisted against the below of panel 1; In the present embodiment, elasticity sensing element 5 is can the spring of free-extension, its one end away from panel by the modes such as welding or buckle fixing on the circuit board 2.
With reference to figure 5 to Fig. 7, the touch key device of another embodiment of the invention can realize goal of the invention of the present invention equally.The main distinction of the execution mode in this touch key device and Fig. 1 to Fig. 4 is: displacement guide part 32 of sensing element 3 offers opening 33, on the inwall of receiving space 40 of support 4, is correspondingly provided with protuberance 42 of snap fit shape.When sensing element 3 is inserted in receiving space 40, protuberance 42 snaps onto in opening 33, thus sensing element 3 is positioned at support 4.The advantage of this execution mode is: the location that being clasped of protuberance 42 and opening 33 makes sensing element 3 is more reliable, and deficiency is: sensing element 3 is assembled on support 4 slightly more loaded down with trivial details.Similarly, the size of opening 33 slightly larger than the size of protuberance 42, thus ensures that sensing element 3 can upwards produce slight displacement under the effect of the elastic force of resilient support members 5.
What disclose in detail above is two better embodiment of the present invention, but protection scope of the present invention is not limited thereto.Those of ordinary skill in the art can make rational change according to technical scheme of the present invention, such as, sensing element also can make a flat sheet metal sensing chip, namely displacement guide part is not needed, the accepting groove of a step dress can be made accordingly to locate this sensing chip in the upper end of receiving space, again such as, resilient support members can make spring, also enough flexible metal clips can have been made, and its one end away from panel also not necessarily will directly be fixed on circuit boards, also can be wired on circuit board, circuit board is free to be assemblied in the position away from panel in this condition, in a word, reasonably change all should within the protection range of claim of the present invention for these.
Claims (7)
1. a touch key device, be arranged on the lower panels of household electrical appliance, it comprises the sensing element contacted with described panel, and support the resilient support members of described sensing element, it is characterized in that, also comprise the support be fixedly attached on described panel, this support have towards the receiving space of described panel side, described sensing element is accommodated and is positioned in described receiving space and also can move up in the elastic telescopic side of described resilient support members, and one end of described resilient support members is passed described receiving space and is resisted against on described sensing element.
2. touch key device as claimed in claim 1, it is characterized in that, described sensing element comprises induction part and vertically bends the displacement guide part of extension respectively from the two ends of induction part.
3. touch key device as claimed in claim 2, it is characterized in that, the receiving space two ends of described support have groove, and when described sensing element collecting is positioned in described receiving space, described displacement guide part inserts in groove.
4. touch key device as claimed in claim 2, is characterized in that, described displacement guide part forms opening.
5. touch key device as claimed in claim 4, is characterized in that the receiving space inwall of described support has protuberance, and when described sensing element collecting is positioned in described receiving space, described protuberance inserts in the opening on described displacement guide part.
6. touch key device as claimed in claim 1, it is characterized in that, described sensing element is be housed in sensing chip flat in the receiving space of support.
7., as an assemble method for above touch key device arbitrarily as described in one of claim, it is characterized in that, this assemble method comprises the steps:
A sensing element location is placed in the receiving space of support by ();
B support is fixedly attached to the below of panel by (), sensing element is contacted with the lower surface of panel, or makes to retain small gap between sensing element and the lower surface of panel;
C one end of resilient support members is passed this receiving space and is resisted against on described sensing element by (), the elastic force produced by compressing due to resilient support members makes sensing element be tightly resisted against the below of panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010184403.8A CN102263549B (en) | 2010-05-24 | 2010-05-24 | Touch key device and assemble method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010184403.8A CN102263549B (en) | 2010-05-24 | 2010-05-24 | Touch key device and assemble method thereof |
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| Publication Number | Publication Date |
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| CN102263549A CN102263549A (en) | 2011-11-30 |
| CN102263549B true CN102263549B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010184403.8A Active CN102263549B (en) | 2010-05-24 | 2010-05-24 | Touch key device and assemble method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103440077B (en) * | 2013-08-20 | 2016-06-29 | 深圳市振邦智能科技有限公司 | Cambered surface method of toch control and structure thereof |
| CN111030666B (en) * | 2019-12-20 | 2023-07-18 | 延锋汽车饰件系统有限公司 | Touch switch capable of achieving multidirectional vibration and automobile comprising same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1738205A (en) * | 2005-08-16 | 2006-02-22 | 谈启明 | Induction type touch switch device |
| CN201048368Y (en) * | 2007-02-14 | 2008-04-16 | 佛山市顺德区美的家电实业有限公司 | Touch induction keying controller |
| CN201467098U (en) * | 2009-05-08 | 2010-05-12 | 深圳市汇顶科技有限公司 | Touch-key sensing equipment, electronic device, rainfall amount sensor and vehicle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100346266B1 (en) * | 2000-06-01 | 2002-07-26 | 엘지전자주식회사 | Touch Switch Having Electroluminescent Sheet For Backlighting |
| CN1859003A (en) * | 2005-05-08 | 2006-11-08 | 海尔集团公司 | Touching control device and control panel for household electric appliance |
| EP3385623B1 (en) * | 2006-08-26 | 2022-10-12 | Electrolux Home Products Corporation N.V. | Cooking range with a command and display unit |
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2010
- 2010-05-24 CN CN201010184403.8A patent/CN102263549B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1738205A (en) * | 2005-08-16 | 2006-02-22 | 谈启明 | Induction type touch switch device |
| CN201048368Y (en) * | 2007-02-14 | 2008-04-16 | 佛山市顺德区美的家电实业有限公司 | Touch induction keying controller |
| CN201467098U (en) * | 2009-05-08 | 2010-05-12 | 深圳市汇顶科技有限公司 | Touch-key sensing equipment, electronic device, rainfall amount sensor and vehicle |
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| Publication number | Publication date |
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| CN102263549A (en) | 2011-11-30 |
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