CN105224093A - A kind of keyboard - Google Patents
A kind of keyboard Download PDFInfo
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- CN105224093A CN105224093A CN201510679578.9A CN201510679578A CN105224093A CN 105224093 A CN105224093 A CN 105224093A CN 201510679578 A CN201510679578 A CN 201510679578A CN 105224093 A CN105224093 A CN 105224093A
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- China
- Prior art keywords
- keyboard
- fixed head
- film
- button film
- supporting plate
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Abstract
The invention provides a kind of keyboard, comprising: fixed head; Be positioned at the button film below described fixed head; Be positioned at the keycap of the multiple and described button film upper contact adaptation above described fixed head; Be positioned at the shielding supporting plate below described button film; Wherein, described fixed head is provided with multiple the first through hole being respectively each contact and reserving, for passing first through hole corresponding with it when keycap is pressed, with corresponding contact.According to keyboard provided by the invention, by button film being arranged on the below of fixed head, namely fixed head is between button film and keycap, and shielding supporting plate is increased in the below of button film, fixed head carries out electromagnetic screen with shielding supporting plate to button film, thus can ensure that Electro Magnetic Compatibility meets the demands.
Description
Technical field
The present invention relates to computer keyboard technique field, particularly a kind of keyboard.
Background technology
Along with the development of electronic technology, the interference problem of electronic equipment is also more and more serious; Therefore, EMC Design to have become in design of electronic products a very important content.
Traditional keyboard comprises fixed head, be positioned at button film above fixed head, and is positioned at the keycap of the multiple and button film upper contact adaptation above button film.Traditional keyboard cannot meet the requirement of Electro Magnetic Compatibility.
Summary of the invention
In view of this, the invention provides a kind of keyboard, to meet the requirement of keyboard to Electro Magnetic Compatibility.
The invention provides a kind of keyboard, comprising:
Fixed head;
Be positioned at the button film below described fixed head;
Be positioned at the keycap of the multiple and described button film upper contact adaptation above described fixed head;
Be positioned at the shielding supporting plate below described button film;
Wherein, described fixed head is provided with multiple the first through hole being respectively each contact and reserving, for passing first through hole corresponding with it when keycap is pressed, with corresponding contact.
Preferably, comprise further:
Be positioned at below described fixed head, and be positioned at the shielded metal plate above described button film; Described shielded metal plate and described shielding supporting plate form shielding cavity, by described button film coated;
Described shielded metal plate is provided with multiple the second through hole being respectively each contact and reserving, for passing first through hole, second through hole corresponding with it when keycap is pressed, with corresponding contact.
Preferably,
Third through-hole is provided with in corresponding position on described fixed head, on described shielded metal plate, on described button film, on described shielding supporting plate;
Described keyboard comprises further: the third through-hole arranged by the corresponding position on described fixed head, on described shielded metal plate, on described button film, on described shielding supporting plate, by the riveted structure that described fixed head, described shielded metal plate, described button film and described shielding supporting plate are riveted together.
Preferably, the through hole on described shielded metal plate and/or described shielding supporting plate is manhole.
Preferably, described button film comprises: top electrode, interlayer, bottom electrode and lay respectively at one deck screened film above top electrode, and, be positioned at one deck screened film below bottom electrode;
Wherein, being arranged in the side that the screened film above described top electrode contacts with described top electrode is conductive layer, and to be arranged in the side that the screened film below described bottom electrode contacts with described bottom electrode be conductive layer;
Two-layer screened film forms conduction airtight cavity, and described conduction airtight cavity is used for contact is coated.
Preferably, the material of described screened film is flexible material.
Preferably, comprise further:
Be positioned at the casing of described shielding supporting plate, described button film, described fixed head outside;
Between described casing and described shielding supporting plate, be provided with guiding gutter, be provided with the osculum connected with guiding gutter in the side of described casing, wherein, described osculum on horizontal level lower than the bottom of described guiding gutter.
Preferably, comprise further:
Be arranged in the keyboard chord of casing internal;
For sealing the two-layer sealing gasket of described keyboard chord;
For compressing the keyboard chord pressing plate of two-layer sealing gasket.
Preferably, comprise further:
Be positioned at inside described sealing gasket, and by conductive rubber strip that described sealing gasket is connected with casing.
Preferably, the material of described keyboard chord pressing plate is stainless steel material.
Embodiments provide a kind of keyboard, by button film being arranged on the below of fixed head, namely fixed head is between button film and keycap, and shielding supporting plate is increased in the below of button film, fixed head carries out electromagnetic screen with shielding supporting plate to button film, thus can ensure that Electro Magnetic Compatibility meets the demands.
Accompanying drawing explanation
Fig. 1 is a kind of keyboard structure figure that the embodiment of the present invention provides;
Fig. 2 is a kind of button membrane structure figure that the embodiment of the present invention provides;
Fig. 3 is the keyboard structure figure that another embodiment of the present invention provides;
Fig. 4 is the keyboard structure figure that further embodiment of this invention provides;
Fig. 5 is the keyboard chord pressure plate structure figure that the embodiment of the present invention provides.
Each mark implication in accompanying drawing is as follows:
1-fixed head; 2-button film; 3-contact; 4-keycap; 5-shields supporting plate; 6-first through hole; 7-silica gel bowl; 8-X type support; 9-shielded metal plate; 10-second through hole; 11-third through-hole; 12-plastics lining board; 13-top electrode; 14-interlayer; 15-bottom electrode; 16-screened film; 17-conductive layer; 18-casing; 19-guiding gutter; 20-osculum; 21-keyboard chord; 22-sealing gasket; 23-keyboard chord pressing plate; 24-conductive rubber strip.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, embodiments provide a kind of keyboard, this keyboard can comprise:
Fixed head 1;
Be positioned at the button film 2 below described fixed head 1;
Be positioned at the keycap 4 of multiple and described button film 2 upper contact 3 adaptation above described fixed head 1;
Be positioned at the shielding supporting plate 5 below described button film 2;
Wherein, described fixed head 1 is provided with multiple the first through hole 6 being respectively each contact 3 and reserving, and for passing first through hole 6 corresponding with it when keycap 4 is pressed, contacts with corresponding contact 3.
Due in conventional keyboard, button film, between fixed head and keycap, cannot meet the requirement of Electro Magnetic Compatibility.Therefore, the keyboard that the embodiment of the present invention provides, button film is arranged on the below of fixed head, namely fixed head is between button film and keycap, and shielding supporting plate is increased in the below of button film, fixed head carries out electromagnetic screen with shielding supporting plate to button film, thus can ensure that Electro Magnetic Compatibility meets the demands.
In the present embodiment, the press-key structure of keyboard can select crater structure, columnar structures or scissor leg structure.
In order to the high stability, the resilience that realize keycap 4 are rapid, the effect of equalization of pressure, preferably, the press-key structure of keyboard selects scissor leg structure, refers to Fig. 1, and this keyboard may further include: silica gel bowl 7, X-type support 8.
In the present embodiment, the material of keycap 4 can select PBT (thermoplastic polyester plastic) material, ABS (acrylonitrile-butadiene-styrene copolymer) material, POM (polyoxymethylene has another name called polyoxygenated methine) material etc.
Because multiple the first through holes 6 being respectively each contact 3 reserved that fixed head 1 is arranged mostly are irregularly shaped, effect when realizing electromagnetic screen between shielding supporting plate 5 is poor, in a preferred embodiment of the invention, in keyboard, increase shielded metal plate 9 above the below of fixed head 1, button film 2, please refer to Fig. 1.
Wherein, shielded metal plate 9 and described shielding supporting plate 5 form shielding cavity, by coated for described button film 2, to realize metallic shield.
In order to ensure that keycap 4 is when being pressed, can contact with the contact 2 on button film 2, shielded metal plate 9 is provided with multiple the second through hole 10 being respectively each contact and reserving, for passing first through hole 6, second through hole 10 corresponding with it when keycap is pressed, contact with corresponding contact 3, please refer to Fig. 1.
In a preferred embodiment of the invention, on fixed head 1, on described shielded metal plate 9, on described button film 2, on described shielding supporting plate 5, third through-hole 11 is provided with in corresponding position;
Further, this keyboard may further include: the third through-hole 11 arranged by the corresponding position on described fixed head 1, on described shielded metal plate 9, on described button film 2, on described shielding supporting plate 5, by the riveted structure that described fixed head 1, described shielded metal plate 9, described button film 2 and described shielding supporting plate 5 are riveted together.Please refer to Fig. 1, this riveted structure can be arranged on the plastics lining board 12 of keyboard.
In a preferred embodiment of the invention, in order to improve effectiveness further, Electro Magnetic Compatibility is met the demands, shielded metal plate 9 and/or the through hole (the second through hole, third through-hole) shielded on supporting plate 5 are manhole.
Traditional button film comprises: top electrode, interlayer and bottom electrode three-decker, enter keyboard at rain, when contacting with the top electrode on button film and/or bottom electrode, easily causes button short circuit.
Please refer to Fig. 2, be button membrane structure figure, wherein, the left side of Fig. 2 is the vertical view of button film, this vertical view can be seen this button film comprises multiple contact 3; It is the left view of button film in the middle of Fig. 2; This left view is amplified 10 times for the figure on the right side of Fig. 2.
In a preferred embodiment of the invention, this button film 2 can comprise: top electrode 13, interlayer 14, bottom electrode 15 and lay respectively at one deck screened film 16 above top electrode 13, and, be positioned at one deck screened film 16 below bottom electrode 15.
Wherein, being arranged in the side that the screened film 16 above described top electrode 13 contacts with described top electrode 13 is conductive layer 17, and to be arranged in the side that the screened film 16 below described bottom electrode 15 contacts with described bottom electrode 15 be conductive layer 17.
Two-layer screened film 16 is pressed together on together, and form conduction airtight cavity, because contact 3 is positioned on top electrode 13, therefore, contact 3 envelopes by this conduction airtight cavity, to shield as internal layer.By adopting the button film 2 of five-layer structure, even if rain enters into keyboard, by two-layer screened film 16, top electrode 13, interlayer 14, bottom electrode 15 are covered, rainwater cannot contact with top electrode 13 and/or bottom electrode 15, thus ensure the normal work of keyboard, serve the function of rainproof.
In embodiments of the present invention, the material of screened film 16 is flexible material.
Wherein, the principle of work of this button is: when keycap 4 is in FIG pressed, silica gel bowl 7 contacts with the screened film 16 covered outside corresponding contacts through the first through hole 6, second through hole 10, screened film 16 is extruded distortion, thus top electrode 13 is contacted and conducting with bottom electrode 15, thus realize the corresponding function of this button.
In order to prevent other impurity such as dust from entering into keyboard, in a preferred embodiment of the invention, please refer to Fig. 3, this keyboard may further include: the casing 18 being positioned at described shielding supporting plate 5, described button film 2, described fixed head 1 outside.
In order to timely, the rainwater entering into keyboard is discharged, guiding gutter 19 is provided with between described casing 18 and described shielding supporting plate 5, the osculum 20 connected with guiding gutter 19 is provided with in the side of described casing 18, wherein, described osculum 20 on horizontal level lower than the bottom of described guiding gutter 19, thus ensure that rainwater can flow in osculum 20 in guiding gutter 19, and then rainwater is discharged to keyboard outside.
Wherein, this osculum 20 can be separately positioned on the both sides of casing 18.
In a preferred embodiment of the invention, in order to realize the communication connection between keyboard different components, please refer to Fig. 4, this keyboard may further include:
Be arranged in the keyboard chord 21 of casing 18 inside;
For sealing the two-layer sealing gasket 22 of described keyboard chord 21, wherein, keyboard chord 21 can be sealed by the mode of clamping by this two-layer sealing gasket 22, and the structural relation between keyboard chord 21 and two-layer sealing gasket 22 please refer to the figure being exaggerated position in Fig. 4.
For compressing the keyboard chord pressing plate 23 of two-layer sealing gasket 22.
Please refer to Fig. 5, is a kind of structural drawing of keyboard chord pressing plate 23.Wherein, keyboard chord pressing plate 23 comprises at least one through hole, fixed sturcture can be used to be fixed by keyboard chord pressing plate 23 by this at least one through hole, this through hole can be manhole.
In a preferred embodiment of the invention, be positioned at inside described sealing gasket 22, and by the conductive rubber strip 24 that described sealing gasket 22 is connected with casing 18, to ensure the combined shielding of casing 18 opening part.
In a preferred embodiment of the invention, in order to ensure that keyboard chord pressing plate 23 is not corroded, the material of keyboard chord pressing plate 23 can select stainless steel material.
To sum up, the embodiment of the present invention at least can realize following beneficial effect:
1, in the embodiment of the present invention, by button film being arranged on the below of fixed head, namely fixed head is between button film and keycap, and shielding supporting plate is increased in the below of button film, fixed head carries out electromagnetic screen with shielding supporting plate to button film, thus can ensure that Electro Magnetic Compatibility meets the demands.
2, in the embodiment of the present invention, keyboard by adopting the button of scissor leg structure, thus can realize the high stability of keycap, resilience rapidly, the effect of equalization of pressure.
3, in the embodiment of the present invention, by increasing shielded metal plate 9 above the below of fixed head 1, button film 2, make shielded metal plate 9 and described shielding supporting plate 5 form shielding cavity, by coated for described button film 2, thus can ensure that Electro Magnetic Compatibility meets the demands further.
4, in the embodiment of the present invention, because the effectiveness of manhole is better, therefore, by the through hole (the second through hole, third through-hole) on shielded metal plate 9 and/or shielding supporting plate 5 is set to manhole, thus can Electro Magnetic Compatibility be made further to meet the demands.
5, in the embodiment of the present invention, by on the basis of the three-decker of traditional button film, one deck screened film 16 is increased respectively above top electrode 13, one deck screened film 16 is increased below bottom electrode 15, this two-layer screened film 16 forms conduction airtight cavity, so that contact is enveloped, realize internal layer shielding, make the keyboard of the present embodiment play the function of rainproof.
6, in the embodiment of the present invention, by arranging guiding gutter 19, and the osculum 20 connected with guiding gutter 19 is provided with in the side of casing 18, and ensure osculum 20 bottom lower than described guiding gutter 19 on horizontal level, thus the water entering into keyboard can be discharged keyboard.
The content such as information interaction, implementation between each unit in the said equipment, due to the inventive method embodiment based on same design, particular content can see in the inventive method embodiment describe, repeat no more herein.
It should be noted that, in this article, the relational terms of such as first and second and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, by statement " comprise one ... ... " key element that limits, and be not precluded within process, method, article or the equipment comprising described key element and also there is other same factor.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that programmed instruction is relevant, aforesaid program can be stored in the storage medium of embodied on computer readable, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium in.
Finally it should be noted that: the foregoing is only preferred embodiment of the present invention, only for illustration of technical scheme of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. a keyboard, is characterized in that, comprising:
Fixed head;
Be positioned at the button film below described fixed head;
Be positioned at the keycap of the multiple and described button film upper contact adaptation above described fixed head;
Be positioned at the shielding supporting plate below described button film;
Wherein, described fixed head is provided with multiple the first through hole being respectively each contact and reserving, for passing first through hole corresponding with it when keycap is pressed, with corresponding contact.
2. keyboard according to claim 1, is characterized in that, comprises further:
Be positioned at below described fixed head, and be positioned at the shielded metal plate above described button film; Described shielded metal plate and described shielding supporting plate form shielding cavity, by described button film coated;
Described shielded metal plate is provided with multiple the second through hole being respectively each contact and reserving, for passing first through hole, second through hole corresponding with it when keycap is pressed, with corresponding contact.
3. keyboard according to claim 2, is characterized in that,
Third through-hole is provided with in corresponding position on described fixed head, on described shielded metal plate, on described button film, on described shielding supporting plate;
Described keyboard comprises further: the third through-hole arranged by the corresponding position on described fixed head, on described shielded metal plate, on described button film, on described shielding supporting plate, by the riveted structure that described fixed head, described shielded metal plate, described button film and described shielding supporting plate are riveted together.
4. keyboard according to claim 3, is characterized in that, the through hole on described shielded metal plate and/or described shielding supporting plate is manhole.
5. keyboard according to claim 1, is characterized in that, described button film comprises: top electrode, interlayer, bottom electrode and lay respectively at one deck screened film above top electrode, and, be positioned at one deck screened film below bottom electrode;
Wherein, being arranged in the side that the screened film above described top electrode contacts with described top electrode is conductive layer, and to be arranged in the side that the screened film below described bottom electrode contacts with described bottom electrode be conductive layer;
Two-layer screened film forms conduction airtight cavity, and described conduction airtight cavity is used for contact is coated.
6. keyboard according to claim 5, is characterized in that, the material of described screened film is flexible material.
7., according to described keyboard arbitrary in claim 1-6, it is characterized in that, comprise further:
Be positioned at the casing of described shielding supporting plate, described button film, described fixed head outside;
Between described casing and described shielding supporting plate, be provided with guiding gutter, be provided with the osculum connected with guiding gutter in the side of described casing, wherein, described osculum on horizontal level lower than the bottom of described guiding gutter.
8. keyboard according to claim 7, is characterized in that, comprises further:
Be arranged in the keyboard chord of casing internal;
For sealing the two-layer sealing gasket of described keyboard chord;
For compressing the keyboard chord pressing plate of two-layer sealing gasket.
9. keyboard according to claim 8, is characterized in that, comprises further:
Be positioned at inside described sealing gasket, and by conductive rubber strip that described sealing gasket is connected with casing.
10. keyboard according to claim 8, is characterized in that, the material of described keyboard chord pressing plate is stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679578.9A CN105224093A (en) | 2015-10-19 | 2015-10-19 | A kind of keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679578.9A CN105224093A (en) | 2015-10-19 | 2015-10-19 | A kind of keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105224093A true CN105224093A (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510679578.9A Pending CN105224093A (en) | 2015-10-19 | 2015-10-19 | A kind of keyboard |
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| Country | Link |
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| CN (1) | CN105224093A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158550A (en) * | 1995-11-13 | 1997-09-03 | 摩托罗拉公司 | Membrane shield |
| CN1688006A (en) * | 2005-03-25 | 2005-10-26 | 张周新 | Keyboard |
| CN200959296Y (en) * | 2006-06-27 | 2007-10-10 | 新巨企业股份有限公司 | Luminescent keyboard |
| CN101344818A (en) * | 2007-07-11 | 2009-01-14 | 安方高科信息安全技术(北京)有限公司 | Shield keyboard |
| CN101409164A (en) * | 2007-10-10 | 2009-04-15 | 唐艺华 | Key-press and keyboard using the same |
| CN201226317Y (en) * | 2008-06-13 | 2009-04-22 | 胜亚股份有限公司 | Improved structure for keyboard |
| CN201270020Y (en) * | 2008-10-14 | 2009-07-08 | 精元电脑股份有限公司 | Improved backlight keyboard construction |
| CN201548891U (en) * | 2009-11-20 | 2010-08-11 | 英业达股份有限公司 | Casing structure |
| CN201655620U (en) * | 2010-04-26 | 2010-11-24 | 精元电脑股份有限公司 | Film light guide keyboard device |
| CN102468074A (en) * | 2010-10-28 | 2012-05-23 | 致伸科技股份有限公司 | Keyboard |
| CN202422013U (en) * | 2012-01-04 | 2012-09-05 | 安方高科电磁安全技术(北京)有限公司 | Low-radiation keyboard |
| CN104851730A (en) * | 2015-04-27 | 2015-08-19 | 马鞍山市牛魔王科技发展有限公司 | Embeddable multifunction electromagnetic shielding keyboard |
-
2015
- 2015-10-19 CN CN201510679578.9A patent/CN105224093A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1158550A (en) * | 1995-11-13 | 1997-09-03 | 摩托罗拉公司 | Membrane shield |
| CN1688006A (en) * | 2005-03-25 | 2005-10-26 | 张周新 | Keyboard |
| CN200959296Y (en) * | 2006-06-27 | 2007-10-10 | 新巨企业股份有限公司 | Luminescent keyboard |
| CN101344818A (en) * | 2007-07-11 | 2009-01-14 | 安方高科信息安全技术(北京)有限公司 | Shield keyboard |
| CN101409164A (en) * | 2007-10-10 | 2009-04-15 | 唐艺华 | Key-press and keyboard using the same |
| CN201226317Y (en) * | 2008-06-13 | 2009-04-22 | 胜亚股份有限公司 | Improved structure for keyboard |
| CN201270020Y (en) * | 2008-10-14 | 2009-07-08 | 精元电脑股份有限公司 | Improved backlight keyboard construction |
| CN201548891U (en) * | 2009-11-20 | 2010-08-11 | 英业达股份有限公司 | Casing structure |
| CN201655620U (en) * | 2010-04-26 | 2010-11-24 | 精元电脑股份有限公司 | Film light guide keyboard device |
| CN102468074A (en) * | 2010-10-28 | 2012-05-23 | 致伸科技股份有限公司 | Keyboard |
| CN202422013U (en) * | 2012-01-04 | 2012-09-05 | 安方高科电磁安全技术(北京)有限公司 | Low-radiation keyboard |
| CN104851730A (en) * | 2015-04-27 | 2015-08-19 | 马鞍山市牛魔王科技发展有限公司 | Embeddable multifunction electromagnetic shielding keyboard |
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Application publication date: 20160106 |
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