CN103474273A - Optical crystal type mechanical switch - Google Patents
Optical crystal type mechanical switch Download PDFInfo
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- CN103474273A CN103474273A CN2013104351093A CN201310435109A CN103474273A CN 103474273 A CN103474273 A CN 103474273A CN 2013104351093 A CN2013104351093 A CN 2013104351093A CN 201310435109 A CN201310435109 A CN 201310435109A CN 103474273 A CN103474273 A CN 103474273A
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- luminescent crystal
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Abstract
The invention discloses an optical crystal type mechanical switch which comprises a casing. The casing comprises an upper casing and a lower casing. The upper casing is provided with an opening, a press handle is arranged in the opening, an elastic device is arranged in the lower casing, the press handle is arranged above the elastic device, an optical crystal transmitting device and an optical crystal receiving device are arranged in the casing and are opposite to each other, the press handle is provided with a light blocking device for blocking optical signals of the optical crystal transmitting device, and the light blocking device is located between the optical crystal transmitting device and the optical crystal receiving device. The optical crystal devices are adopted to replace metal contact devices positioned on an original static pressure plate and a dynamic pressure plate, the shortcoming that the metal contact devices are poor in contact or cannot be connected due to key pressing times and corrosion of a soldering flux in a manufacturing process in the using process is overcome, the service life is greatly prolonged, the reliability is improved, and in theory, the optical crystal type mechanical switch can be used infinite times.
Description
Technical field
The present invention relates to the technical field of mechanical switch, particularly a kind of mechanical switch of luminescent crystal formula.
Background technology
In the industry of keyboard, the mechanical key switch that the general switch adopted is the metal material contact, this switch is the break-make that whether is in contact with one another to realize switch of the metal material contact by being arranged on static pressure plate in housing and dynamic pressure plate, in pressing the displacement process of mechanical switch handle, meet and realize the conducting of mechanical switch in the metal material contact on the dynamic pressure plate and static pressure sheetmetal material contact; When the handle of release mechanism switch, the dynamic pressure plate returns to original position under the effect of spring, and the metal material contact on the static pressure plate is left in dynamic pressure sheetmetal material contact, thereby realizes the disconnection of mechanical switch.Adopt this kind of scheme, the mechanical switch hard contact easily damages, because in pressing the process of button, the elasticity of dynamic pressure plate can have larger difference with reset condition along with increasing of access times, easily cause insensitive or the state that can not conducting of hard contact contact, useful life is limited, to the user, causes trouble.Another is convenient, and hard contact is the metal manufacture, the easy impurity such as adhesion dust, and be subject to the impact of solder flux in manufacture process, also will inevitably make the sensitivity of mechanical switch and useful life reduce.
Summary of the invention
The shortcoming that the object of the invention is to overcome prior art, with not enough, provides a kind of mechanical switch of luminescent crystal formula of long service life.
Purpose of the present invention is achieved through the following technical solutions:
A kind of mechanical switch of luminescent crystal formula, comprise housing, described housing comprises upper shell and lower house, one perforate is arranged on described upper shell, be provided with handle in perforate, in described lower house, be provided with elastic device, described handle is arranged on the elastic device top, described enclosure interior is provided with luminescent crystal emitter and luminescent crystal receiving system, and described luminescent crystal emitter and luminescent crystal receiving system are oppositely arranged; Described handle is provided with the light-baffling device for shading light crystal emitter light signal, and described light-baffling device is between luminescent crystal emitter and luminescent crystal receiving system.
Preferably, described light-baffling device is a light barrier, and described light barrier vertically arranges, and when handle, in non-while pressing state, the bottom of light barrier is positioned at the top of luminescent crystal emitter luminous point; Now receive luminescent crystal in conducting state.
Preferably, described light-baffling device is a light barrier, and described light barrier vertically arranges, and when handle, in non-while pressing state, light barrier is positioned at the centre of luminescent crystal emitter and luminescent crystal receiving system.Now receive luminescent crystal in not on-state.
Preferably, described light-baffling device is a light barrier, and described light barrier vertically arranges, and described light barrier is provided with the loophole for luminescent crystal emitter light signal is passed.
Preferably, when handle, in non-while pressing state, the height of loophole is identical with the luminous point height of luminescent crystal emitter, now receives luminescent crystal in conducting state.
Preferably, when handle, in non-while pressing state, the height of loophole is positioned at the top with the luminous point height of luminescent crystal emitter, now receives luminescent crystal in not on-state.
Preferably, described elastic device is spring, and the inside of described lower house is provided with one for making the fixing fixed lever in spring bottom, and described spring housing is connected on fixed lever.
Preferably, described upper shell and lower house are provided with for the holding section be complementary that upper shell and lower house is fixing.
Preferably, upper shell and lower house are fixed together by securing member.
Preferably, described lower house is provided with one for pressing the handle process and send the hand feel device of button sound.
The present invention has following advantage and effect with respect to prior art:
1, the present invention adopts luminescent crystal to replace original static pressure plate and dynamic pressure plate, the loose contact that causes because of touch potential or defect that can't conducting have been overcome in use, greatly improved useful life, in theory, the use that the mechanical switch of luminescent crystal can be unlimited.
2, the present invention, by the parts that are in the light that are connected with button are set, can effectively realize blocking and not blocking of light signal, and planform is changeable, is applicable to large-scale industrial production.
3, mechanical switch of the present invention can also be arranged to the switch of noiseless button, is applicable to the people that custom is worked or learnt in quiet environment.
4, mechanical switch of the present invention can also be arranged to the switch of sound button, by increase, is arranged on the hand feel device in housing, in pressing the process of button, owing to clashing into, can produce clear and melodious strike note, better experiences to the user.
The accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the generalized section of the embodiment of the present invention 1.
Fig. 3 is the structural representation of the embodiment of the present invention 2.
Fig. 4 is the structural representation of the embodiment of the present invention 3.
Fig. 5 is the structural representation of the embodiment of the present invention 4.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As shown in Figure 1 and Figure 2, the mechanical switch of a kind of luminescent crystal formula of the present embodiment, comprise housing, described housing comprises upper shell 1 and lower house 2, and a perforate is arranged on described upper shell, be provided with handle 3 in perforate, be provided with elastic device in described lower house, in the present embodiment, elastic device is preferably spring 6, other elastic devices are equally applicable to the technical scheme of the present embodiment, as shell fragment etc.Described handle 3 is arranged on the top of spring 6, and described enclosure interior is provided with luminescent crystal emitter 4 and luminescent crystal receiving system 5, and described luminescent crystal emitter 4 and luminescent crystal receiving system 5 are oppositely arranged; Described handle 3 is provided with the light-baffling device 7 for shading light crystal emitter 4 light signals, described light-baffling device 7 is between luminescent crystal emitter 4 and luminescent crystal receiving system 5, one luminous point 9 is arranged on described luminescent crystal emitter, luminescent crystal in described luminescent crystal emitter and luminescent crystal receiving system is general luminescent crystal material, and arrange by corresponding position, and form the electronic switch device of core the most together with light barrier in this device.。
In the present embodiment, described light-baffling device 7 is a light barrier, and light barrier vertically arranges, and when handle 3, in non-while pressing state, the bottom of light barrier is positioned at the top of luminescent crystal emitter 4 luminous points 9, this kind of mechanical switch that mode is long open type; When handle 3, when pressing state, light barrier moves down and shelters from the luminous point 9 of luminescent crystal emitter, and after covering, luminescent crystal receiving system 5 can't receive light signal, the state of mechanical switch in disconnecting.The handle of pressing mechanical switch so repeatedly, can realize alternate conduction and the disconnection of mechanical switch.
As shown in Figure 2, the inside of described lower house 1 is provided with one for making the fixing fixed lever in spring bottom, and described spring 6 is socketed on fixed lever, prevents that spring from producing irregular deformation in the process of compression or bottom is shifted.
Described upper shell 1 and lower house 2 are provided with for by upper shell and the fixing holding section be complementary of lower house, by this kind of mode, are fixed together, can be for convenience detach, be convenient for changing part.In the present embodiment, described upper shell and lower house also can be fixed and link together by securing member.
As shown in Figure 1, in order better to experience to the user, described lower house 2 is provided with one for pressing the handle process and send the hand feel device 8 of button sound, when pressing handle, corresponding site and the hand feel device of handle bump, can produce clear and melodious strike note, the user can better judge that whether button is successful.
The present embodiment is except following technical characterictic, and the other technologies feature is all identical with embodiment 1:
As shown in Figure 3, in the present embodiment, described light-baffling device 7 is a light barrier, described light barrier vertically arranges, when handle in non-while pressing state, the light signal of the part shading light crystal emitter 4 that is in the light of light barrier, when handle, in non-while pressing state, the top of light barrier is positioned at the below of luminescent crystal emitter luminous point 9.This mode is the mechanical switch of long enclosed, and when handle is not pressed, light barrier blocks light signal, and the luminescent crystal receiving system can't be received the signal of optical signal launcher emission; After handle is pressed, light barrier moves down with handle, thereby exposes the luminous point 9 of luminescent crystal emitter, thereby realizes the conducting of light signal.
Embodiment 3
The present embodiment is except following technical characterictic, and the other technologies feature is all identical with embodiment 2:
In the present embodiment, light-baffling device is a light barrier, and described light barrier vertically arranges, and described light barrier is provided with the loophole 10 for luminescent crystal emitter light signal is passed.As shown in Figure 4, when handle, in non-while pressing state, the height of loophole is identical with the luminous point height of luminescent crystal emitter, and this kind of mode also belongs to long start tool switch, before not pressing handle, the luminescent crystal receiving system receives the light signal of luminescent crystal emitter emission always; After pressing handle, loophole moves with handle, from but not the part of printing opacity has just sheltered from the luminous point of luminescent crystal emitter, the transmission path of light signal is cut off, the state of mechanical switch in disconnecting.And so forth press handle, can realize disconnection and the conducting of mechanical switch.
The present embodiment is except following technical characterictic, and the other technologies feature is all identical with embodiment 2:
In the present embodiment, light-baffling device is a light barrier, and described light barrier vertically arranges, and described light barrier is provided with the loophole 10 for luminescent crystal emitter light signal is passed.As shown in Figure 5, when handle in non-while pressing state, loophole is positioned at the top of the luminous point of luminescent crystal emitter, be handle in non-when pressing state, the optical signal transmission path of luminescent crystal receiving system is cut off always, this kind of mode also belongs to long and closes mechanical switch, and before not pressing handle, the luminescent crystal receiving system can't receive the light signal of luminescent crystal emitter emission; After pressing handle, loophole moves with handle, makes the height of loophole identical with the height of the luminous point of luminescent crystal emitter, and the transmission path of light signal is not cut off, the state of mechanical switch in opening.And so forth press handle, can realize disconnection and the conducting of mechanical switch.
Above-described embodiment is preferably execution mode of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (10)
1. the mechanical switch of a luminescent crystal formula, comprise housing, described housing comprises upper shell and lower house, one perforate is arranged on described upper shell, be provided with handle in perforate, in described lower house, be provided with elastic device, described handle is arranged on the elastic device top, it is characterized in that, described enclosure interior is provided with luminescent crystal emitter and luminescent crystal receiving system, and described luminescent crystal emitter and luminescent crystal receiving system are oppositely arranged; Described handle is provided with the light-baffling device for shading light crystal emitter light signal, and described light-baffling device is between luminescent crystal emitter and luminescent crystal receiving system.
2. the mechanical switch of luminescent crystal formula according to claim 1, it is characterized in that, described light-baffling device is a light barrier, and described light barrier vertically arranges, when handle, in non-while pressing state, the bottom of described light barrier is positioned at the top of the luminous point of luminescent crystal emitter.
3. the mechanical switch of luminescent crystal formula according to claim 1, is characterized in that, described light-baffling device is a light barrier, and described light barrier vertically arranges, when handle in non-while pressing state, the light signal of described light barrier shading light crystal emitter; When handle, when pressing state, the top of described light barrier is positioned at the below of luminescent crystal emitter luminous point.
4. the mechanical switch of luminescent crystal formula according to claim 1, is characterized in that, described light-baffling device is a light barrier, and described light barrier vertically arranges, and described light barrier is provided with the loophole for luminescent crystal emitter light signal is passed.
5. the mechanical switch of luminescent crystal formula according to claim 4, is characterized in that, when handle, in non-while pressing state, the height of loophole is identical with the height of luminescent crystal emitter luminous point; When handle, when pressing state, loophole is positioned at the below of luminescent crystal emitter luminous point.
6. the mechanical switch of luminescent crystal formula according to claim 4, is characterized in that, when handle, in non-while pressing state, loophole is positioned at the top of luminescent crystal emitter luminous point; When handle, when pressing state, the height of loophole is identical with the height of luminescent crystal emitter luminous point.
7. according to the mechanical switch of the described luminescent crystal formula of any one in claim 1-6, it is characterized in that, described elastic device is spring, and the inside of described lower house is provided with one for making the fixing fixed lever in spring bottom, and described spring housing is connected on fixed lever.
8. according to the mechanical switch of the described luminescent crystal formula of any one in claim 1-6, it is characterized in that, described upper shell and lower house are provided with for the holding section be complementary that upper shell and lower house is fixing.
9. according to the mechanical switch of the described luminescent crystal formula of any one in claim 1-6, it is characterized in that, upper shell and lower house are fixed together by securing member.
10. according to the mechanical switch of the described luminescent crystal formula of any one in claim 1-6, it is characterized in that, described lower house is provided with one for pressing the handle process and send the hand feel device of button sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104351093A CN103474273A (en) | 2013-09-23 | 2013-09-23 | Optical crystal type mechanical switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104351093A CN103474273A (en) | 2013-09-23 | 2013-09-23 | Optical crystal type mechanical switch |
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| Publication Number | Publication Date |
|---|---|
| CN103474273A true CN103474273A (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104351093A Pending CN103474273A (en) | 2013-09-23 | 2013-09-23 | Optical crystal type mechanical switch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406853A (en) * | 2015-12-18 | 2016-03-16 | 东莞市高特电子有限公司 | Modular photoelectric switch |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417350Y (en) * | 2008-12-17 | 2010-03-03 | 福建福晶科技股份有限公司 | Electro-optical switch with adjustable optical window sheets |
| CN201490565U (en) * | 2009-08-17 | 2010-05-26 | 福州高意通讯有限公司 | Structure of electro-optical Q-switch |
| CN202602607U (en) * | 2012-05-08 | 2012-12-12 | 李水琴 | Electronic type microswitch |
| CN202978872U (en) * | 2013-01-13 | 2013-06-05 | 衢州昀睿工业设计有限公司 | Solid state explosion-proof switch |
| CN203456347U (en) * | 2013-09-23 | 2014-02-26 | 郝小妮 | An optical crystal mechanical switch |
-
2013
- 2013-09-23 CN CN2013104351093A patent/CN103474273A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201417350Y (en) * | 2008-12-17 | 2010-03-03 | 福建福晶科技股份有限公司 | Electro-optical switch with adjustable optical window sheets |
| CN201490565U (en) * | 2009-08-17 | 2010-05-26 | 福州高意通讯有限公司 | Structure of electro-optical Q-switch |
| CN202602607U (en) * | 2012-05-08 | 2012-12-12 | 李水琴 | Electronic type microswitch |
| CN202978872U (en) * | 2013-01-13 | 2013-06-05 | 衢州昀睿工业设计有限公司 | Solid state explosion-proof switch |
| CN203456347U (en) * | 2013-09-23 | 2014-02-26 | 郝小妮 | An optical crystal mechanical switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406853A (en) * | 2015-12-18 | 2016-03-16 | 东莞市高特电子有限公司 | Modular photoelectric switch |
| 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 |
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Application publication date: 20131225 |