CN105245217A - Keyboard key using surface light source and keyboard - Google Patents
Keyboard key using surface light source and keyboard Download PDFInfo
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- CN105245217A CN105245217A CN201510791250.6A CN201510791250A CN105245217A CN 105245217 A CN105245217 A CN 105245217A CN 201510791250 A CN201510791250 A CN 201510791250A CN 105245217 A CN105245217 A CN 105245217A
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- light
- receiving element
- keyboard
- light receiving
- area source
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Abstract
The invention discloses a keyboard key using a surface light source. The keyboard key comprises circuit board, a light receiving element, the surface light source, a key base, a pressing shaft, a key cap and a light path switch, wherein the circuit board is used for providing circuit connection, and a mounting hole is formed in the circuit board; the light receiving element is placed on one side of the mounting hole and electrically connected with the circuit board; the surface light source is arranged under the circuit board and electrically connected with the circuit board, and is used for sending out a light signal to the light receiving element; the key base is mounted in the mounting hole, and the key base is provided with an opening from top to bottom to form a guide basket; the pressing shaft is put into the guide basket, is connected with the bottom part of the guide basket through a spring, and can slide up and down along the guide basket; the key cap is arranged on the key bases, and is connected with the top part of the pressing shaft; the light path switch is arranged in the key base and connected with the pressing shaft; and the light path switch can move relative to the light receiving element when the pressing shaft slides up and down along the guide basket so as to switch on and off a light path between the surface light source and the light receiving element. According to the keyboard key using the surface light source, the key switch can be implemented through respectively providing one light receiving element to match the shared surface light source by each key, and the assembly components of a keyboard and the key are significantly reduced.
Description
Technical field
The present invention relates to press key input device, specifically use keyboard and the keyboard of area source.
Background technology
Optical axis keyboard is novel keyboard in recent years, and it is on traditional mechanical key axle technical foundation, adds brand-new optical sensor recognition technology, is optical sensor assembly by replacing traditional contact plectrum, some problems of improvement conventional contact mechanical switch.Specifically, the button of optical axis keyboard have employed photocell and light receiving element, realizes key switch signal by the light path of blocking-up and conducting.
Usual each button can distinguish an adaptive photocell and a light receiving element, and namely the quantity of photocell and light receiving element is multiplied along with the quantity increase of button on keyboard.This just causes the assembling element of keyboard numerous, and the failure rate of element is also multiplied, and corresponding production cost and the cost of overhaul also increase.
Summary of the invention
The present invention, in order to make up the deficiencies in the prior art, provides a kind of keyboard using area source, and it adopts the area source can shared with other keyboards as photocell, and concrete technical scheme is as follows.
Use the keyboard of area source, comprising:
Circuit board, for providing circuit to connect, circuit board has an installing hole;
Light receiving element, is placed in installing hole side and is electrically connected with circuit board;
Area source, to be located at below circuit board and to be electrically connected with circuit board, for sending light signal to light receiving element;
Key base, load in installing hole, its top-down opening forms a guiding basket;
Press axle, load in guiding basket, be connected by the bottom of a spring with guiding basket by axle, and can slide up and down along guiding basket;
Keycap, is located at above key base, and is connected with the top by axle;
Light path switch, to be located in key base and to be connected with by axle;
When sliding up and down along guiding basket by axle, light path switch can relative to light receiving element transient motion, with the light path between switching area source and light receiving element.
According to same technical conceive, present invention also offers a kind of keyboard using area source, this keyboard has multiple keyboard, and keyboard is the keyboard of above-mentioned utilization area source, and wherein multiple keyboard shares same area source.
With prior art ratio, the invention has the beneficial effects as follows:
The area source that employing can be shared with other keyboards is as photocell, therefore each button no longer needs an adaptive photocell and a light receiving element respectively, only need to provide a light receiving element to coordinate the area source shared to realize key switch separately, drastically reduce the area the assembling element of keyboard and button, the failure rate of element, production cost and the cost of overhaul also reduce greatly; Meanwhile, area source can also as the keycap character lighting source of keyboard.
Below in conjunction with specification drawings and specific embodiments, the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the keyboard of utilization area source of the present invention.
Fig. 2 is another structural representation of the keyboard of utilization area source of the present invention.
Fig. 3 is the another structural representation of the keyboard of utilization area source of the present invention.
Fig. 4 is the STRUCTURE DECOMPOSITION figure of the embodiment of the present invention one.
Fig. 5 is the using state figure of the embodiment of the present invention one.
Fig. 6 is another using state figure of the embodiment of the present invention one.
Fig. 7 is the structural representation by axle of the embodiment of the present invention one.
Fig. 8 is the STRUCTURE DECOMPOSITION figure of the embodiment of the present invention two.
Fig. 9 is the using state figure of the embodiment of the present invention two.
Figure 10 is another using state figure of the embodiment of the present invention two.
Figure 11 is the modified node method schematic diagram of the light path switch of the embodiment of the present invention two.
Figure 12 is the modified node method schematic diagram of the embodiment of the present invention two.
Figure 13 is the structural representation of the embodiment of the present invention three.
Embodiment
As depicted in figs. 1 and 2, use the keyboard of area source, its basic structure comprises:
Circuit board 1, for providing circuit to connect, circuit board 1 has an installing hole 11;
Light receiving element 2, is placed in installing hole 11 side and is electrically connected with circuit board 1;
Area source 3, to be located at below circuit board 1 and to be electrically connected with circuit board 1, for sending light signal to light receiving element 2;
Key base 4, load in installing hole 11, its top-down opening forms a guiding basket 41;
Press axle 5, load in guiding basket 41, be connected by the bottom of a spring with guiding basket 41 by axle 5, and can slide up and down along guiding basket 41;
Keycap 6, is located at above key base 4, and is connected with the top by axle 5;
Light path switch 7, to be located in key base 4 and to be connected with by axle 5;
When sliding up and down along guiding basket 41 by axle 5, light path switch 7 can move relative to light receiving element 2, with the light path between switching area source 3 and light receiving element 2.
As shown in Figure 1, upspring by axle 5, the light path between area source 3 and light receiving element 2 is blocked by light path switch 7;
As shown in Figure 2, press by axle 5, the light path between area source 3 with light receiving element 2 is communicated with by light path switch 7.
As shown in Figure 3, on the basis of above-mentioned basic structure, area source 3 comprises light guide plate 31, and the bottom surface of light guide plate 31 is covered with reflector layer 32, and the side of light guide plate 31 is along being also provided with one or more luminous elements 33.
Here is two kinds of execution modes of the present invention.
Embodiment one:
As shown in Figure 4, on the basis of above-mentioned basic structure, light receiving element 2 is located at the bottom surface of circuit board 1;
Key base 4 has a cabin body 42 be positioned at above circuit board 1 in the side of adjacent light receiving element 2, and the madial wall of cabin body 42 has the tank 43 being communicated to guiding basket 41.
Light path switch 7 is located in tank 43, it has the actuation part 71 and occlusion part 72 that are placed in circuit board 1 upper and lower respectively, actuation part 71 struts part (being stage clip shown in figure) by an elasticity and is connected with the lateral wall of cabin body 42, and the top of actuation part 71 and cabin body 42 pivot joint, occlusion part 72 shield light receiving element 2 is to block the light path between itself and area source 3; Cabin body 42 both can block the jamming incoherent signal that other light cause light receiving element 2, can also prevent light receiving element 2 dust stratification
There is in the side of adjacent light receiving element 2 by axle 5 depressed part 51 that can embed for the inner slide of light path switch 7.
As shown in Figure 5, upspring by axle 5, the instantaneous rising of depressed part 51, forces the inner side of light path switch 7 to skid off depressed part 51, the actuation part 71 of light path switch 7 overcomes elasticity and struts part to the instantaneous deflection of light receiving element 2, and occlusion part 72 shield light receiving element 2 is to block the light path between itself and area source 3;
As shown in Figure 6, press by axle 5, the instantaneous decline of depressed part 51, actuation part 71 instantaneous deflection of receiving element 2 dorsad under elasticity struts part effect of light path switch 7, force the inner side of light path switch 7 to slip into depressed part 51, occlusion part 72 no longer shield light receiving element 2 to be communicated with the light path between itself and area source 3.
The present embodiment further improves as shown in Figure 7, the medial surface 73 of light path switch 7, and its underpart has the inclined-plane 74 that interior chamfering is formed, and the shape of depressed part 51 is just mated with the medial surface 73 of light path switch 7 and inclined-plane 74.
Embodiment two:
As shown in Figure 8, on the basis of above-mentioned basic structure, light path switch 7 is one and is located at by the light guide in axle 5, and its bottom surface has the light entrance face 74 coordinated with the end face of light guide plate 3, and the side of the adjacent light receiving element 2 in its top has the light emergence face 75 coordinated with light receiving element 2;
The bottom of guiding basket 41 has an opening 44 passed for the light entrance face 74 of light path switch 7;
The sidewall of the adjacent light receiving element 7 of key base 4 has the window 45 coordinated with light receiving element 2 for light emergence face 75.
As shown in Figure 9, upspring by axle 5, the instantaneous rising of light path switch 7, light emergence face 75 upward sliding leaves window 45, with the light path between blocking light receiving element 2 and area source 3;
As shown in Figure 10, press by axle 5, the instantaneous decline of light path switch 7, light entrance face 74 is through opening 44 contact-making surface light source 3, light emergence face 75 slides down to window 45, and now light path switch 7 forms light path by light entrance face 74 and light emergence face 75 between light receiving element 2 and area source 3.
One as the present embodiment is improved, and light path switch 7, with to press axle 5 one-body molded, adopts guide-lighting material to make by axle 5 entire body.Entire body leaded light press axle 5, can better by the photoconduction of area source 3 to keycap 6, as keycap character lighting source.
One as the present embodiment is improved, and as shown in figure 11, light path switch 7 is light-guiding pillars, and its top has the light reflection that entered by the light entrance face reflecting surface 76 to light emergence face.
One as the present embodiment is improved, as shown in figure 12, key base 4 has the shielding cavity 46 of a shade light receiving element 2 in the side of adjacent light receiving element 2, both can block the jamming incoherent signal that other light cause light receiving element 2, can also prevent light receiving element 2 dust stratification.
One as the present embodiment is improved, and as shown in figure 12, light receiving element 2 is located at the end face of circuit board 1.
Embodiment three:
As shown in figure 13, use the keyboard of area source, have multiple keyboard 8, keyboard 8 is the keyboards using area source in other two kinds of embodiments, and wherein multiple keyboard 8 shares same area source 3A.
For a person skilled in the art, other various corresponding change and distortion can be obtained according to disclosed structure and principle, and all these change and distortion all belongs to protection category of the present invention.
Claims (10)
1. use the keyboard of area source, it is characterized in that, comprising:
Circuit board, for providing circuit to connect, circuit board has an installing hole;
Light receiving element, is placed in installing hole side and is electrically connected with circuit board;
Area source, to be located at below circuit board and to be electrically connected with circuit board, for sending light signal to light receiving element;
Key base, load in installing hole, its top-down opening forms a guiding basket;
Press axle, load in guiding basket, be connected by the bottom of a spring with guiding basket by axle, and can slide up and down along guiding basket;
Keycap, is located at above key base, and is connected with the top by axle;
Light path switch, to be located in key base and to be connected with by axle;
When sliding up and down along guiding basket by axle, light path switch can relative to light receiving element transient motion, with the light path between switching area source and light receiving element.
2. the keyboard using area source as claimed in claim 1, it is characterized in that: area source comprises light guide plate, the bottom surface of light guide plate is covered with reflector layer, and the side of light guide plate is along being also provided with one or more luminous elements.
3. the keyboard using area source as claimed in claim 1, is characterized in that:
Light receiving element is located at the bottom surface of circuit board;
Key base has the cabin body that is positioned at circuit board in the side of adjacent light receiving element, the madial wall of cabin body has the tank being communicated to guiding basket;
Light path switch is located in tank, it has the actuation part and occlusion part that are placed in circuit board upper and lower respectively, actuation part struts part by an elasticity and is connected with the lateral wall of cabin body, and the top of actuation part and cabin body pivot joint, occlusion part shield light receiving element is to block the light path between itself and area source;
There is in the side of adjacent light receiving element by axle the depressed part that can embed for the inner slide of light path switch.
4. the as claimed in claim 3 keyboard using area source, is characterized in that: the medial surface of light path switch, and its underpart has the inclined-plane that interior chamfering is formed, and the shape of depressed part is just mated with the medial surface of light path switch and inclined-plane.
5. the keyboard using area source as claimed in claim 2, is characterized in that:
Light path switch is one and is located at by the light guide in axle, and its bottom surface has the light entrance face coordinated with the end face of light guide plate, and the side of the adjacent light receiving element in its top has the light emergence face coordinated with light receiving element;
The bottom of guiding basket has an opening passed for the light entrance face of light path switch;
The sidewall of the adjacent light receiving element of key base has the window coordinated with light receiving element for light emergence face.
6. the keyboard using area source as claimed in claim 5, is characterized in that: light path switch, with one-body molded by axle, adopts guide-lighting material to make by axle entire body.
7. the as claimed in claim 5 keyboard using area source, is characterized in that: light path switch is a light-guiding pillar, and its top has the light reflection that entered by the light entrance face reflecting surface to light emergence face.
8. the keyboard using area source as claimed in claim 5, is characterized in that: key base has the shielding cavity of a shade light receiving element in the side of adjacent light receiving element.
9. the keyboard using area source as claimed in claim 5, is characterized in that: light receiving element is located at the end face of circuit board.
10. use the keyboard of area source, have multiple keyboard, it is characterized in that, keyboard is the keyboard of the utilization area source described in any one of claim 1 to 9, and multiple keyboard shares same area source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791250.6A CN105245217B (en) | 2015-11-17 | 2015-11-17 | With the keyboard and keyboard of area source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791250.6A CN105245217B (en) | 2015-11-17 | 2015-11-17 | With the keyboard and keyboard of area source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105245217A true CN105245217A (en) | 2016-01-13 |
| CN105245217B CN105245217B (en) | 2018-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510791250.6A Active CN105245217B (en) | 2015-11-17 | 2015-11-17 | With the keyboard and keyboard of area source |
Country Status (1)
| Country | Link |
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| CN (1) | CN105245217B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577157A (en) * | 2016-03-21 | 2016-05-11 | 郝小妮 | Split type double-light-path key switch and mechanical keyboard |
| CN108899229A (en) * | 2018-07-18 | 2018-11-27 | 惠州冠泰电子有限公司 | A kind of independent band sound presses axis and photoinduction ultra-thin keyboard |
| CN109478887A (en) * | 2016-03-30 | 2019-03-15 | 陈�峰 | It is a kind of to have the optical switch device for blocking body and blocking motion space |
| WO2021203519A1 (en) * | 2020-04-07 | 2021-10-14 | 东莞伍联电子科技有限公司 | Photoelectric switch key and keyboard |
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| US20040257829A1 (en) * | 2003-06-20 | 2004-12-23 | Katsuhiko Suwa | Illumination device and illuminated input device |
| CN101247120A (en) * | 2008-03-07 | 2008-08-20 | 李玉平 | Press keys for coal mine information device |
| CN204539108U (en) * | 2015-02-27 | 2015-08-05 | 东莞市长资实业有限公司 | A kind of photoelectric integral type mechanical axis keyboard switch module |
| CN105006396A (en) * | 2015-07-13 | 2015-10-28 | 东莞市美光达光学科技有限公司 | Switch module of ultrathin reflective computer input equipment |
| CN205179013U (en) * | 2015-11-17 | 2016-04-20 | 陈爱华 | Keyboard button and keyboard of application area source |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20040257829A1 (en) * | 2003-06-20 | 2004-12-23 | Katsuhiko Suwa | Illumination device and illuminated input device |
| CN101247120A (en) * | 2008-03-07 | 2008-08-20 | 李玉平 | Press keys for coal mine information device |
| CN204539108U (en) * | 2015-02-27 | 2015-08-05 | 东莞市长资实业有限公司 | A kind of photoelectric integral type mechanical axis keyboard switch module |
| CN105006396A (en) * | 2015-07-13 | 2015-10-28 | 东莞市美光达光学科技有限公司 | Switch module of ultrathin reflective computer input equipment |
| CN205179013U (en) * | 2015-11-17 | 2016-04-20 | 陈爱华 | Keyboard button and keyboard of application area source |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105577157A (en) * | 2016-03-21 | 2016-05-11 | 郝小妮 | Split type double-light-path key switch and mechanical keyboard |
| WO2017161891A1 (en) * | 2016-03-21 | 2017-09-28 | 郝小妮 | Separable dual-optical path button switch and mechanical keyboard |
| US10469081B2 (en) | 2016-03-21 | 2019-11-05 | Xiaoni HAO | Split type dual optical path key switch and a mechanical keyboard |
| CN109478887A (en) * | 2016-03-30 | 2019-03-15 | 陈�峰 | It is a kind of to have the optical switch device for blocking body and blocking motion space |
| CN108899229A (en) * | 2018-07-18 | 2018-11-27 | 惠州冠泰电子有限公司 | A kind of independent band sound presses axis and photoinduction ultra-thin keyboard |
| CN108899229B (en) * | 2018-07-18 | 2023-07-21 | 惠州冠泰电子有限公司 | Independent pressing shaft with sound and light sensing ultrathin keyboard |
| WO2021203519A1 (en) * | 2020-04-07 | 2021-10-14 | 东莞伍联电子科技有限公司 | Photoelectric switch key and keyboard |
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| Publication number | Publication date |
|---|---|
| CN105245217B (en) | 2018-11-30 |
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