CN109617546A - Keyboard - Google Patents
Keyboard Download PDFInfo
- Publication number
- CN109617546A CN109617546A CN201910050973.9A CN201910050973A CN109617546A CN 109617546 A CN109617546 A CN 109617546A CN 201910050973 A CN201910050973 A CN 201910050973A CN 109617546 A CN109617546 A CN 109617546A
- Authority
- CN
- China
- Prior art keywords
- key
- light
- optical
- keyboard
- mounting base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
- H03K17/943—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector using a plurality of optical emitters or detectors, e.g. keyboard
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/90—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of galvano-magnetic devices, e.g. Hall-effect devices
Landscapes
- Push-Button Switches (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
The present invention discloses a kind of keyboard, which includes: key mounting base；Optical transmitting set, the optical transmitting set are set to the key mounting base；Several optical receivers, several optical receivers are set to the key mounting base；Light-strip, the light-strip is set to the key mounting base, the optical signal entrance of the light-strip and the optical signal outlet of the optical transmitting set are oppositely arranged, and the side wall of the light-strip is convexly equipped with several light-guiding pillars, and the optical signal outlet of each light-guiding pillar is oppositely arranged with an optical receiver；Several keys, each key is slidably mounted on the key mounting base, each key is mobile relative to the key mounting base and has initial bit and pressing position, when a key is located at the pressing position, the optical signal of a light-guiding pillar is made to export conducting light paths or blocking between a corresponding optical receiver.Technical solution of the present invention reduces the quantity of optical transmitting set, simplifies keyboard structure.
Description
Technical field
The present invention relates to input unit technical field, in particular to a kind of keyboard.
Background technique
Currently, photoswitch keyboard is provided with optical transmitting set and optical receiver, and it is arranged in optical transmitting set and optical receiver
Between optical path.Also, key is additionally provided in optical path, key press can block the optical path or make conducting light paths, thus real
Existing keypress function.But the quantity of key is more in existing photoswitch keyboard, and optical transmitting set is set with key one-to-one correspondence
It sets, so that the setting quantity of optical transmitting set is identical as the quantity of key, so that structure is complicated for keyboard.
Summary of the invention
The main object of the present invention is to provide a kind of keyboard, it is intended to reduce optical transmitting set quantity, simplify the structure of keyboard.
To achieve the above object, keyboard proposed by the present invention includes:
Key mounting base；
Optical transmitting set, the optical transmitting set are set to the key mounting base；
Several optical receivers, several optical receivers are set to the key mounting base；
Light-strip, the light-strip are set to the key mounting base, and the optical signal entrance and the light of the light-strip are sent out
The optical signal outlet of emitter is oppositely arranged, and the side wall of the light-strip is convexly equipped with several light-guiding pillars, the light of each light-guiding pillar
Signal outlet is oppositely arranged with an optical receiver；
Several keys, each key are slidably mounted on the key mounting base, each key relative to
The key mounting base is mobile and there is initial bit and pressing position to make described in one when a key is located at the pressing position
The optical signal of light-guiding pillar exports the conducting light paths or blocking between a corresponding optical receiver.
Optionally, the keyboard includes optical path button assembly, and the optical path button assembly includes the optical transmitting set, described
Several optical receivers, the light-strip and several keys, the optical path button assembly is in key mounting base interval
It is provided with multiple groups.
Optionally, when a key is located at the pressing position, which is at least partly barred from a light-guiding pillar
Optical signal outlet a corresponding optical receiver between, to block optical path.
Optionally, the key mounting base includes the first mounting surface and the second mounting surface being oppositely arranged, the light-receiving
Device and the light guide item are set to second mounting surface, and the key is set to first mounting surface, presses the key, until
Key described in small part runs through the keyboard base and is barred from the optical signal outlet and corresponding one of a light-guiding pillar
Between the optical receiver.
Optionally, the key mounting base further includes substrate and several pedestals, and the substrate offers several through described
The mounting hole of substrate, each pedestal are embedded in a mounting hole and offer through-hole；Each key at least portion
Divide and be inserted in a through-hole, the lower end of each key is convexly equipped with pillar；
When the button is pressed, the pillar runs through the pedestal and is barred from the optical signal outlet of a light-guiding pillar
Between corresponding one optical receiver.
Optionally, the through-hole be located at the light-guiding pillar optical signal outlet and the optical signal entrance of the optical receiver it
Between；When the button is pressed, the pillar protruded by the through-hole and be barred from a light-guiding pillar optical signal outlet with
Between a corresponding optical receiver.
Optionally, the light-strip is convexly equipped with several guide-lighting blocks, each bottom towards the surface of the key mounting base
Seat offers perforative loophole, and each guide-lighting block is inserted in a loophole.
Optionally, the key includes pressing piece and elastic component；The pressing piece is inserted in the through-hole, described convex
Column is convexly equipped in the lower end of the pressing piece, and the elastic component is sheathed on the pillar, and the both ends of the elastic component are connected to respectively
The pressing piece and the pedestal.
Optionally, the key further includes the torsional spring for being sheathed on the pillar, and the torsional spring includes the first torsional spring arm and the
Two torsional spring arms, the first torsional spring arm are fixed on the key, and the second torsional spring arm is extended to the outside of the key,
The inner wall of the pedestal is equipped with guide frame；
When the button is pressed, the second torsional spring arm is supported and is rotated with the guide frame.Optionally, institute
Stating keyboard further includes several permanent magnets and several Hall elements, and each permanent magnet is set in a key, each described
Hall element is set to the key mounting base, and is oppositely arranged with a permanent magnet.
If technical solution of the present invention key mounting base be provided with optical transmitting set, several optical receivers, light-strip and
Dry key, wherein the optical signal outlet of the optical signal entrance and optical transmitting set of light-strip is oppositely arranged, the side wall projection of light-strip
There are several light-guiding pillars, the optical signal outlet of each light-guiding pillar is oppositely arranged with an optical receiver.In the present solution, by optical transmitting set
The optical signal of sending is entered in light-strip by the optical signal entrance of light-strip, which is further separated into several leaded lights again
In column, corresponding optical receiver is then transmitted to by the optical signal outlet of several light-guiding pillars.So pass through a light-strip
The optical signal that one optical transmitting set issues is transferred to several optical receivers with several light-guiding pillars, so that reducing the number of optical transmitting set
Amount, to simplify keyboard structure, while reducing the manufacturing cost of keyboard.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of keyboard of the present invention；
Fig. 2 is the partial schematic diagram at a visual angle of keyboard in Fig. 1；
Fig. 3 is the partial schematic diagram at another visual angle of keyboard in Fig. 1；
Fig. 4 is that the explosion of the key of keyboard in Fig. 1 is intended to；
Fig. 5 is that the section of the key of keyboard in Fig. 1 is intended to；
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. shall be understood in a broad sense,
For example, " fixation " may be a fixed connection, it may be a detachable connection, or integral；It can be mechanical connection, be also possible to
Electrical connection；It can be directly connected, the connection inside two elements or two can also be can be indirectly connected through an intermediary
The interaction relationship of a element, unless otherwise restricted clearly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and should not be understood as referring to
Show or imply its relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " are defined as a result,
Two " feature can explicitly or implicitly include at least one of the features.In addition, the technical solution between each embodiment can
It to be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when the combination of technical solution occurs
Conflicting or cannot achieve when, will be understood that the combination of this technical solution is not present, also not the present invention claims protection model
Within enclosing.
The present invention proposes a kind of keyboard.
Fig. 1 and Fig. 2 are please referred to, in embodiments of the present invention, which includes key mounting base, optical transmitting set 2, Ruo Ganguang
Receiver 3, light-strip 4 and several keys 5；The optical transmitting set 2 is set to the key mounting base；Several optical receivers
3 are set to the key mounting base；The light-strip 4 is set to the key mounting base, the optical signal entrance of the light-strip 4 and institute
The optical signal outlet for stating optical transmitting set 2 is oppositely arranged, and the side wall of the light-strip 4 is convexly equipped with several light-guiding pillars, each described to lead
The optical signal outlet of light beam is oppositely arranged with an optical receiver 3；Each key 5 is slidably mounted on the key
Mounting base, each key 5 is mobile relative to the key mounting base and has initial bit and pressing position, when a key
5 be located at the pressing position when, make a light-guiding pillar optical signal outlet and a corresponding optical receiver 3 between
Conducting light paths or blocking.
In this application, keyboard mounting base be mainly used to install optical transmitting set 2, several optical receivers 3, light-strip 4 and
Several keys 5 etc., keyboard is rectangle structure in the present embodiment, in other embodiments, be also possible to it is arc-shaped it is equal other
Structure.It, which prepares material, can be plastics.Such as: polycarbonate plastic or polystyrene plastics etc..Certainly, to make keyboard
With anti-riot, dust-proof, the function of waterproof, key mounting base is also possible to prepare using metal material.And light optical transmitting set 2 is main
It is used to issue optical signal to optical receiver 3, which is infrared light.And light-strip 4 is mainly used to transmit the hair of optical transmitting set 2
Optical signals comprising optical signal entrance and the outlet of light optical signal.Specifically, it is light that optical signal, which enters one end in light-strip 4,
Signal input port, in other words one end opposite with optical receiver 3；Optical signal is transmitted to extraneous one end out of light-strip 4
For optical signal outlet.And light-guiding pillar is mainly used for for the optical signal in light-strip 4 being transmitted to each corresponding optical receiver
3, one end that light-strip 4 connects is optical signal entrance, one end opposite with optical receiver 3 is optical signal outlet, and light-strip 4 exists
One section to be in contact with light-guiding pillar 42 is arranged to optical microstructures, can so be reflected into optical signal in light-guiding pillar 42.At this
In embodiment, light-guiding pillar is linear cylinder, and in other embodiments, light-guiding pillar is also possible to arcuate structure.Key 5 is not when pressing
Referred to as initial bit, after pressing keys 5, key 5 is moved down, and is at this time pressing position, can make the optical signal of a light-guiding pillar export with
A corresponding optical receiver 3 between conducting light paths or blocking, to realize 5 function of key.Specifically, it can be in key
5 when not pressing, and optical path is in the conductive state, and after key 5 presses, key 5 moves down blocking optical path；Or key 5 is when pressing, light
Blocking sheet is provided between receiver 3 and optical transmitting set 2 makes optical path be in the state that do not turn on, and after key 5 presses, key 5 is moved down
Blocking sheet is pushed open and makes conducting light paths, to realize 5 function of key.
If technical solution of the present invention key mounting base be provided with optical transmitting set 2, several optical receivers 3, light-strip 4 and
Dry key 5, wherein the optical signal entrance of light-strip 4 and the optical signal outlet of optical transmitting set 2 are oppositely arranged, the side wall of light-strip 4
Several light-guiding pillars are convexly equipped with, the optical signal outlet of each light-guiding pillar is oppositely arranged with an optical receiver 3.In the present solution, by light
The optical signal that transmitter 2 issues is entered in light-strip 4 by the optical signal entrance of light-strip 4, which is further separated into again
Into several light-guiding pillars, corresponding optical receiver 3 is then transmitted to by the optical signal outlet of several light-guiding pillars.It is so logical
It crosses a light-strip 4 and several light-guiding pillars and the optical signal that one optical transmitting set 2 issues is transferred to several optical receivers 3, so that reducing
The quantity of optical transmitting set 2, to simplify keyboard structure, while reducing the manufacturing cost of keyboard.
Optionally, keyboard includes optical path button assembly, optical path button assembly include optical transmitting set 2, several optical receivers 3,
Light-strip 4 and several keys 5, optical path button assembly are arranged at intervals with multiple groups in key mounting base.In the present embodiment, optical path
Button assembly is arranged at intervals with multiple groups in key mounting base, so that 5 quantity of key can be set more, each key 5 is pressed
Different functions, the overall function of the keyboard so improved are realized after pressure.In order to enable keyboard is more convenient for processing, multiple groups light
Road button assembly can be equidistantly spaced in key mounting base, the processing of such scheme key mounting base, while also make
It obtains keyboard and has more aesthetics.
Further, when a key 5 is located at pressing position, which is at least partly barred from the optical signal of a light-guiding pillar
Between outlet and a corresponding optical receiver 3, to block optical path.In the present embodiment, when key 5 does not press, i.e. key 5
Conducting light paths when in initial position, between optical receiver 3 and optical transmitting set 2；After pressing keys 5, key 5 is moved down, so that
The optical signal of one light beam exports the optical signal between a corresponding optical receiver 3 and blocks, which is connected with again
Circuit board 8, the trigger circuit plate 8 after not receiving optical signal of optical receiver 3, to realize 5 function of key.
Next key 5 pushing the case where blocking optical path will specifically be introduced, key mounting base includes the be oppositely arranged
One mounting surface 11 and the second mounting surface 12, optical receiver 3 and light guide item are set to the second mounting surface 12, and key 5 is set to the first peace
Dress face 11, pressing keys 5, at least partly described key 5 run through the keyboard base 14 and are barred from the light letter of a light-guiding pillar 41
Number outlet a corresponding optical receiver 3 between.It can be appreciated that optical receiver 3, light-strip 4 and key 5 are mounted on
Key mounting base, it is possible to reduce the setting of mounting base reduces production cost, is also convenient for the installation of various devices.And light-receiving
Device 3 and light guide item are set to the second mounting surface 12, and key 5 is set to the first mounting surface 11 and also accords with so that keyboard structure is more compact
Close demand of the consumer to ultra-thin keyboard.
Further, Fig. 1, Fig. 2 and Fig. 4 are please referred to, key mounting base further includes substrate 13 and several pedestals 14, substrate 13
Several mounting holes 131 through substrate 13 are offered, each pedestal 14 is embedded in a mounting hole 131 and offers through-hole 141；
Each key 5 is at least partly inserted in a through-hole 141, and the lower end of each key 5 is convexly equipped with pillar 52；When non-pressing keys 5
When, conducting light paths, optical receiver 3 receives the optical signal of the sending of optical transmitting set 2；When pressing keys 5, the pillar 52 runs through
Pedestal 14 simultaneously blocks the optical path.It is appreciated that using this scheme, 5 structure of key can be made simple, lower end setting one is convex
Column 52, pressing keys 5, pillar 52 move down and block optical path that 5 function of key can be realized, blocking sheet etc that no setting is required, letter
The overall structure of keyboard is changed.Wherein, substrate 13 and several pedestals 14 can be integrally formed setting, be wholely set convenient for substrate
13 with the processing and manufacturings of several pedestals 14, while being integrally formed setting it is also possible that keyboard structure becomes more compact, it is thick
Spend it is thinning, to meet the needs of user is to ultra-thin keyboard.Specifically, when substrate 13 is plastic plate, pedestal 14 and substrate 13
In mold cavity, by being molded molten plastic substrate 13 and several pedestals 14 are integrally formed；When substrate 13 is metal plate
When, which is placed in mold cavity as inserts, so that in several pedestals 14 of injection molding by metal substrate 13
One is formed with plastic feet 14.Further, the light that through-hole 141 is located at the light exit and the optical receiver 3 of light-guiding pillar enters
Between mouthful；When pressing keys 5, pillar 52 is protruded by through-hole 141 and blocks optical path.It is appreciated that so set, convenient for leaded light
The manufacture of column, no setting is required is arcuately curved shape.Certainly, compact in understructure in other embodiments, lack position and opens up
When through-hole 141, the through-hole can also be not arranged in light-guiding pillar 41 optical signal outlet and the optical signal entrance of optical receiver 3 it
Between, it then needs to be horizontally set with a barrier sheet at this time on light-guiding pillar 41, when pressing keys 5, optical path is blocked by the blocking sheet.In order to
Convenient for protruding into for pillar 52, which stretches towards one end periphery phase epitaxy of pillar 52 is convexly equipped with guide cylinder, so convenient for convex
The contraposition of column 52, so that key 5 moves down more steadily.
Understand the position of each key 5 when using keyboard for the ease of user, promote user experience, please refer to Fig. 1 and
Fig. 3, light-strip 4 are convexly equipped with guide-lighting block 42 towards the surface of key mounting base, and pedestal 14 offers perforative loophole 143, leads
Light block 42 is inserted in loophole 143.In the present embodiment, optical signal of the optical transmitting set 2 in addition to above-mentioned infrared light can be issued,
It can also be simultaneously emitted by the optical signal of visible light, light-strip 4 has received the visible light of the sending of optical transmitting set 2, which passes through
Above-mentioned optical microstructures section reflection is transferred in each guide-lighting block 42, and optical signal is transferred to key 5 again to shine by guide-lighting block 42
Bright key 5, so that user is more convenient when using keyboard.And multiple 5 communicating optical signals of key are given by a light-strip 4,
Also it solves the problems, such as to need to be arranged a light source below a key 5 in existing, reduces the manufacturing cost of keyboard.Also, it transmits
Optical signal to key 5 all has a light-strip 4 to transmit with the optical signal for being transferred to optical receiver 3, but also the knot of keyboard
Structure is more compact.
For the ease of the reset of key 5, referring to FIG. 4, key 5 includes pressing piece 51 and elastic component 53；Pressing piece 51
It is inserted in through-hole 141, pillar 52 is convexly equipped in the lower end of pressing piece 51, and elastic component 53 is sheathed on the pillar 52, the elasticity
The both ends of part 53 are connected to the pressing piece 51 and the pedestal 14 respectively.It can be appreciated that lacking 53 meeting of elastic component so that key 5
It can not be resetted after depressing, and then influence the use of keyboard.It is arranged an elastic component 53 on pillar 52, that is, may make key
5 in pressing, and the compression of elastic component 53 stores power, and after key 5 unclamps, the restoring force of elastic component 53 drives elastic component 53 to reset, thus
It is moved back into initial bit on drive key 5, in order to key 5 next time of pressing.Elastic component 53 is sheathed on pillar 52, so that elastic
Part 53 has certain position-limiting action.In the present embodiment, elastic component 53 is spring, elastic using having in other embodiments
Plastic parts be also feasible.
Prompt can be issued after pressing for the ease of key 5, promote user experience.Key 5 further includes being sheathed on pillar
52 torsional spring 54, torsional spring 54 include 54 arm of 54 arm of the first torsional spring and the second torsional spring, and 54 arm of the first torsional spring is fixed on key 5, and second
54 arm of torsional spring is extended to the outside of key 5, and the inner wall of the pedestal 14 is equipped with guide frame 142；When pressing keys 5
When, 54 arm of the second torsional spring is supported and is rotated with guide frame 142.It is well known that torsional spring 54 after twisting, is cancelled
Driving force can make torsional spring 54 automatically reset, and collide percussion with the side wall of pedestal 14 after reset to issue the sound to mention
Show operator, so also improves user experience.Specifically, 14 inner wall of pedestal opens up fluted and prolongs towards the side of key 5
It stretches setting and becomes channel slot, the position one of side wall of two opposite side walls close to port is provided with convex block, this is convex
Block is being provided with the first guiding surface close to the side of 54 arm of the second torsional spring, and when key 5 pushes, 54 arm of the second torsional spring is along the
One guiding surface is mobile and twists, and after moving down into convex block lower end, 54 arm of the second torsional spring resets and occurs with recess sidewall
It collides and generates the sound.Moving up when being resetted for the ease of the key 5 of torsional spring 54, in convex block in the opposite side of the first guiding surface
It is provided with the second guiding surface, so i.e. bootable torsional spring 54 moves up in order to the reset of key 5.Certainly, in other embodiments
In, it is also possible to be convexly equipped with ladder convex block in 14 inner wall of pedestal, forms the guide frame 142.
In order to enhance the function of keyboard, referring to FIG. 5, keyboard further includes several permanent magnets 6 and several Hall elements 7, often
One permanent magnet 6 is set in a key 5, and each Hall element 7 is set to key mounting base, and is oppositely arranged with a permanent magnet；
Magnetic effect is formed when pressing keys 5 make its pushing, between permanent magnet 6 and the Hall element 7 and connects Hall element 7.When
Key 5 pushes, and permanent magnet 6 is driven to move down, and magnetic effect is formed after pushing certain distance, between permanent magnet 6 and the Hall element 7
Hall element 7 should and be connected, circuit board 8 is transmitted signals to, circuit board 8 can trigger 5 function of key after receiving the signal
Energy.In this embodiment, it can be worked at the same time between permanent magnet 6 and Hall element 7 and optical transmitting set 2 and optical receiver 3, circuit
Plate 8 after the signal for both receiving transmitting, controller on circuit board 8 can by two signal integrations at a signal, with
Guarantee that key 5 works normally.So set, avoiding light-strip 4 after long-term use, leaded light effect reduces and makes key 5
The problem of can not working, can also realize push button signalling using permanent magnet 6 and Hall element 7 after light-strip 4 is ineffective
Transmitting to realize 5 function of key.The function of keyboard so is enhanced, also indirectly extends the service life of keyboard.Certainly,
In other embodiments, the two can also work independently, that is, a controller is arranged to switch optical transmitting set 2 and optical receiver 3, forever
The working condition of both magnet 6 and Hall element 7, when optical transmitting set 2 and optical receiver 3 at work, controller is by permanent magnet 6
Off working state is switched to Hall element 7；When permanent magnet 6 and Hall element 7 at work, controller is by transmitter 2 and light
Receiver 3 switches to off working state.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of keyboard characterized by comprising
Key mounting base；
Optical transmitting set, the optical transmitting set are set to the key mounting base；
Several optical receivers, several optical receivers are set to the key mounting base；
Light-strip, the light-strip are set to the key mounting base, the optical signal entrance and the optical transmitting set of the light-strip
Optical signal outlet be oppositely arranged, the side wall of the light-strip is convexly equipped with several light-guiding pillars, the optical signal of each light-guiding pillar
Outlet is oppositely arranged with an optical receiver；
Several keys, each key are slidably mounted on the key mounting base, and each key is relative to described
Key mounting base is mobile and there is initial bit and pressing position to make a leaded light when a key is located at the pressing position
The optical signal of column exports the conducting light paths or blocking between a corresponding optical receiver.
2. keyboard as described in claim 1, which is characterized in that the keyboard includes optical path button assembly, the optical path key
Component includes the optical transmitting set, several optical receivers, the light-strip and several keys, the optical path key
Component is arranged at intervals with multiple groups in the key mounting base.
3. keyboard as described in claim 1, which is characterized in that when a key is located at the pressing position, the key is extremely
Small part is barred between the optical signal outlet of a light-guiding pillar and a corresponding optical receiver, to block light
Road.
4. keyboard as claimed in claim 3, which is characterized in that the key mounting base includes the first mounting surface being oppositely arranged
With the second mounting surface, the optical receiver and the light guide item are set to second mounting surface, and the key is set to described the
One mounting surface presses the key, and at least partly described key is through the keyboard base and is barred from a light-guiding pillar
Between optical signal outlet and a corresponding optical receiver.
5. keyboard as claimed in claim 4, which is characterized in that the key mounting base further includes substrate and several pedestals, institute
It states substrate and offers several mounting holes through the substrate, each pedestal is embedded in a mounting hole and offers
Through-hole；Each key is at least partly inserted in a through-hole, and the lower end of each key is convexly equipped with pillar；
When the button is pressed, the pillar through the pedestal and be barred from a light-guiding pillar optical signal outlet with
A corresponding optical receiver between.
6. keyboard as claimed in claim 5, which is characterized in that the through-hole is located at optical signal outlet and the institute of the light-guiding pillar
It states between the optical signal entrance of optical receiver；When the button is pressed, the pillar is protruded by the through-hole and is barred from one
The optical signal of the light-guiding pillar exports between a corresponding optical receiver.
7. keyboard as claimed in claim 5, which is characterized in that surface projection of the light-strip towards the key mounting base
There are several guide-lighting blocks, each pedestal offers perforative loophole, and each guide-lighting block is inserted in a loophole.
8. keyboard as claimed in claim 5, which is characterized in that the key includes pressing piece and elastic component；The pressing
Part is inserted in the through-hole, and the pillar is convexly equipped in the lower end of the pressing piece, and the elastic component is sheathed on the pillar, institute
The both ends for stating elastic component are connected to the pressing piece and the pedestal respectively.
9. keyboard as claimed in claim 5, which is characterized in that the key further includes the torsional spring for being sheathed on the pillar, institute
Stating torsional spring includes the first torsional spring arm and the second torsional spring arm, and the first torsional spring arm is fixed on the key, the second torsional spring arm
It is extended to the outside of the key, the inner wall of the pedestal is equipped with guide frame；
When the button is pressed, the second torsional spring arm is supported and is rotated with the guide frame.
10. keyboard as described in claim 1, which is characterized in that the keyboard further includes several permanent magnets and several Halls member
Part, each permanent magnet be set to a key in, each Hall element be set to the key mounting base, and with an institute
Permanent magnet is stated to be oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910050973.9A CN109617546A (en) | 2019-01-18 | 2019-01-18 | Keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910050973.9A CN109617546A (en) | 2019-01-18 | 2019-01-18 | Keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109617546A true CN109617546A (en) | 2019-04-12 |
Family
ID=66018833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910050973.9A Pending CN109617546A (en) | 2019-01-18 | 2019-01-18 | Keyboard |
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| Country | Link |
|---|---|
| CN (1) | CN109617546A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021093061A1 (en) * | 2019-11-12 | 2021-05-20 | 深圳市源隆光学科技有限公司 | Keyboard |
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|---|---|---|---|---|
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