CN106774964A - Light and thin type piezoelectricity tactile feedback keyboard - Google Patents
Light and thin type piezoelectricity tactile feedback keyboard Download PDFInfo
- Publication number
- CN106774964A CN106774964A CN201611238193.XA CN201611238193A CN106774964A CN 106774964 A CN106774964 A CN 106774964A CN 201611238193 A CN201611238193 A CN 201611238193A CN 106774964 A CN106774964 A CN 106774964A
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- CN
- China
- Prior art keywords
- material layer
- light
- tactile feedback
- keyboard
- thin type
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/0202—Constructional details or processes of manufacture of the input device
-
- 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
- H03K17/96—Touch switches
- H03K17/964—Piezo-electric touch switches
- H03K17/9643—Piezo-electric touch switches using a plurality of detectors, e.g. keyboard
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/96—Touch switches
- H03K2217/96042—Touch switches with illumination
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
- H03K2217/96—Touch switches
- H03K2217/96062—Touch switches with tactile or haptic feedback
Abstract
A kind of light and thin type piezoelectricity tactile feedback keyboard, including keyboard body, keyboard body is provided with key zone, and functional unit is provided with keyboard body, key zone includes key panel, and the lower section of key panel corresponds with each key position and is provided with sense of touch inductive switch element and haptic feedback mechanism, haptic feedback mechanism is located at the lower section of sense of touch inductive switch element;Functional unit includes processor and the memory cell electrically connected with processor, pulse coder and the communication module for being connected with computer communication are connected with processor, keyboard circuit is connected with processor, keyboard circuit is electrically connected with sense of touch inductive switch element;Haptic feedback mechanism includes the electric actuator below key panel, piezoelectric ceramics is provided with below electric actuator, the packing ring of central aperture is provided with below piezoelectric ceramics, the spacing pad of deformation is provided with packing ring, deformation gap is provided between the spacing pad of deformation and piezoelectric ceramics, the two ends of electric actuator couple with the two ends of piezoelectric ceramics respectively.
Description
Technical field
It is specifically a kind of light and thin type piezoelectricity tactile feedback keyboard the present invention relates to a kind of keyboard.
Background technology
Keyboard is a kind of instruction and data input unit for operation equipment operation, also to refer to and operate one by system arrangement
One group of function key (such as typewriter, computor-keyboard) of platform machine or equipment.With the development of technology, although develop such as touching
The various replacement input technologies of screen, speech recognition and gesture identification, but keyboard is still to be input to computing device for the mankind
The most frequently used equipment.
The user that can be typewrited with high speed be often tended to rely on touch feedback and is pressed representing button, existing
Mechanical keyboard provides touch feedback by spring loads.As the development of touch screen technology and hand-held terminal device are minimized
Demand, the thickness requirement to keyboard is more frivolous, then be necessarily required to cancel traditional mechanical keyboard structure.However, due to cancelling
Traditional mechanical keyboard equipment, causes that when being input into by way of clicking on touch feedback cannot be carried out, and user is past
Toward cannot quickly confirm whether keystroke is recorded, user is forced by way of vision to confirm, cause input speed significantly
Reduce, have impact on the operating experience of input efficiency and user.
The content of the invention
In view of this, it is an object of the invention to provide a kind of light and thin type piezoelectricity tactile feedback keyboard, not only keyboard is more
It is frivolous, and touch feedback can be effectively improved.
To reach above-mentioned purpose, the present invention provides following technical scheme:
A kind of light and thin type piezoelectricity tactile feedback keyboard, including keyboard body, the keyboard body are provided with key zone, and institute
State and functional unit be provided with keyboard body, the key zone include key panel, and the lower section of the key panel and each
Key position is corresponded and is provided with sense of touch inductive switch element and haptic feedback mechanism, and the haptic feedback mechanism is located at described touching
Feel the lower section of inductive switch element;The functional unit includes processor and the memory cell electrically connected with the processor, institute
State and pulse coder and the communication module for being connected with computer communication are connected with processor, connected on the processor
Keyboard circuit is provided with, the keyboard circuit is electrically connected with the sense of touch inductive switch element;
The haptic feedback mechanism includes the electric actuator below the key panel, the lower section of the electric actuator
Piezoelectric ceramics is provided with, the packing ring of central aperture is provided with below the piezoelectric ceramics, the spacing pad of deformation, institute are provided with the packing ring
State and deformation gap is provided between the spacing pad of deformation and the piezoelectric ceramics, the two ends of the electric actuator are made pottery with the piezoelectricity respectively
The two ends coupling of porcelain.
Further, the button paster for indicating key position is provided with above the key panel.
Further, the key panel and button paster are made of transparent material.
Further, the electric actuator does not include the conductive material layer that is stacked and thermal coefficient of expansion not etc. and is all higher than institute
At least two layers of material of conductive material layer is stated, the conductive material layer is electrically connected with the piezoelectric ceramics.
Further, the material layer is set to two-layer, respectively first material layer and second material layer.
Further, the conductive material layer is transparent conductive material layer, and the first material layer and second material layer are adopted
It is made of flexible transparent polymeric material.
Further, the first material layer and second material layer are respectively positioned on the same side of the conductive material layer, or described
First material layer and second material layer are respectively positioned at the both sides of the conductive material layer.
Further, the conductive material layer is using at least in carbon nano-tube film, Graphene, zinc oxide and tin indium oxide
Material is planted to be made.
Further, the first material layer and second material layer use Biaxially oriented polypropylene, polypropylene, polyethylene, silicon
Rubber, fluorosioloxane rubber, polymethyl methacrylate, polyethylene terephthalate, polyurethane, epoxy resin, polyacrylic acid
At least one material in ethyl ester, butyl polyacrylate, polystyrene, polybutadiene, polyacrylonitrile is made.
Further, the pulse coder includes light-emitting component, receiving element, code-disc and data processing chip;The hair
Optical element and receiving element are correspondingly arranged at the both sides of the code-disc, and one end of the code-disc is provided with disk, on the disk with
Through hole is laid with the corresponding circumference of the luminous element position;The data processing chip respectively with the light-emitting component and
Receiving element is electrically connected.
The beneficial effects of the present invention are:
Light and thin type piezoelectricity tactile feedback keyboard of the invention, haptic feedback mechanism is set by the lower section of key panel,
When finger pressing keys panel, deform piezoelectric ceramics, so piezoelectric ceramics two ends band point, due to the two ends of electric actuator
Coupled with the two ends of piezoelectric ceramics respectively, electric current can be formed in electric actuator, and then promote electric actuator energization deformation, there is provided
Pressing touch-control feedback, has the advantages that thickness of thin.
Brief description of the drawings
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below and carries out
Explanation:
Fig. 1 is the structural representation of light and thin type piezoelectricity tactile feedback keyboard embodiment 1 of the present invention;
Fig. 2 is the structural representation of key zone;
Fig. 3 is the A detail drawings of Fig. 2;
Fig. 4 is the structural representation of electric actuator;
Fig. 5 is the structural representation of pulse coder;
Fig. 6 is the structural representation of the electric actuator of light and thin type piezoelectricity tactile feedback keyboard embodiment 2 of the present invention.
Specific embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
It is better understood from the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
Embodiment 1
As shown in figure 1, being the structural representation of light and thin type piezoelectricity tactile feedback keyboard embodiment 1 of the present invention.The present embodiment
Light and thin type piezoelectricity tactile feedback keyboard, including keyboard body, the keyboard body is provided with key zone 1, and the keyboard sheet
Functional unit is provided with vivo, and the key zone 1 includes key panel 2, and key mapping is pressed in the lower section of the key panel 2 with each
Put one-to-one corresponding and be provided with sense of touch inductive switch element 3 and haptic feedback mechanism 4, the haptic feedback mechanism 4 is located at the sense of touch
The lower section of inductive switch element 3.The functional unit includes processor 5 and the memory cell 6 electrically connected with the processor 5,
Pulse coder 7 is connected with the processor 5 and for communicating the communication module 9 being connected, the processor with computer 8
On be connected with keyboard circuit 10, the keyboard circuit 10 is electrically connected with the sense of touch inductive switch element 3.
The haptic feedback mechanism of the present embodiment includes the electric actuator 11 positioned at the lower section of the key panel 2, described
The lower section of electric actuator 11 is provided with piezoelectric ceramics 12, and the lower section of the piezoelectric ceramics 12 is provided with the packing ring 13 of central aperture, described
The spacing pad 14 of deformation is provided with packing ring 13, deformation gap 15 is provided between the spacing pad 14 of deformation and the piezoelectric ceramics 12,
Two ends of the two ends of the electric actuator 11 respectively with the piezoelectric ceramics 12 couple.
Further, the top of the key panel 2 of the present embodiment is provided with the button paster 25 for indicating key position,
Experience can be improved.The key panel 2 and button paster 25 of the present embodiment are made of transparent material.
Further, the electric actuator 12 does not include the conductive material layer 16 that is stacked and thermal coefficient of expansion not etc. and big
In at least two layers of material of the conductive material layer, the conductive material layer 16 is electrically connected with the second electrode 11.Specifically
, the material layer 16 of the present embodiment is set to two-layer, respectively first material layer 17 and second material layer 18.The present embodiment
The conductive material layer 15 be transparent conductive material layer, the first material layer 17 and second material layer 18 using it is flexible thoroughly
Bright polymeric material is made, and forms transparent keyboard.
Further, the first material layer 17 and second material layer 18 are respectively positioned at the both sides of the conductive material layer, institute
Conductive material layer 16 is stated to be made of at least one material in carbon nano-tube film, Graphene, zinc oxide and tin indium oxide;It is described
First material layer 16 and second material layer 17 are using Biaxially oriented polypropylene, polypropylene, polyethylene, silicon rubber, fluorosioloxane rubber, poly-
Methyl methacrylate, polyethylene terephthalate, polyurethane, epoxy resin, polyethyl acrylate, polyacrylic acid fourth
At least one material in ester, polystyrene, polybutadiene, polyacrylonitrile is made.The conductive material layer 16 of the present embodiment is used
Graphene is made, and first material layer 17 is made of silicon rubber, and second material layer 18 is made of butyl polyacrylate.
Further, the pulse coder 6 of the present embodiment includes light-emitting component 19, receiving element 20, the sum of code-disc 21
According to process chip 22.The light-emitting component 19 and receiving element 20 are correspondingly arranged at the both sides of the code-disc 21, the code-disc 21
One end be provided with disk 23, be laid with through hole 24 on circumference corresponding with the position of the light-emitting component 19 on the disk 23;
The data processing chip 22 is electrically connected with the light-emitting component 19 and receiving element 20 respectively.
The light and thin type piezoelectricity tactile feedback keyboard of the present embodiment, is filled by setting tactile feedback in the lower section of key panel
Put, when finger pressing keys panel, deform piezoelectric ceramics, so piezoelectric ceramics two ends band point, due to electric actuator
Two ends are coupled with the two ends of piezoelectric ceramics respectively, and electric current can be formed in electric actuator, and then promote electric actuator energization deformation,
Pressing touch-control feedback is provided, there is thickness of thin.
Embodiment 2
As shown in fig. 6, the light and thin type piezoelectricity tactile feedback keyboard of the present embodiment, including keyboard body, the keyboard body
It is provided with and functional unit is provided with key zone 1, and the keyboard body, the key zone 1 includes key panel 2, and described presses
The lower section of keyboard plate 2 corresponds with each key position and is provided with sense of touch inductive switch element 3 and haptic feedback mechanism 4, institute
Haptic feedback mechanism 4 is stated positioned at the lower section of the sense of touch inductive switch element 3.The functional unit include processor 5 and with institute
The memory cell 6 of the electrical connection of processor 5 is stated, pulse coder 7 is connected with the processor 5 and for logical with computer 8
The communication module 9 of connection is interrogated, keyboard circuit 10 is connected with the processor, the keyboard circuit 10 senses with the sense of touch
Switch element 3 is electrically connected.
The haptic feedback mechanism of the present embodiment includes the electric actuator 11 positioned at the lower section of the key panel 2, described
The lower section of electric actuator 11 is provided with piezoelectric ceramics 12, and the lower section of the piezoelectric ceramics 12 is provided with the packing ring 13 of central aperture, described
The spacing pad 14 of deformation is provided with packing ring 13, deformation gap 15 is provided between the spacing pad 14 of deformation and the piezoelectric ceramics 12,
Two ends of the two ends of the electric actuator 11 respectively with the piezoelectric ceramics 12 couple.
Further, the top of the key panel 2 of the present embodiment is provided with the button paster 25 for indicating key position,
Experience can be improved.The key panel 2 and button paster 25 of the present embodiment are made of transparent material.
Further, the electric actuator 12 does not include the conductive material layer 16 that is stacked and thermal coefficient of expansion not etc. and big
In at least two layers of material of the conductive material layer, the conductive material layer 16 is electrically connected with the second electrode 11.Specifically
, the material layer 16 of the present embodiment is set to two-layer, respectively first material layer 17 and second material layer 18.The present embodiment
The conductive material layer 15 be transparent conductive material layer, the first material layer 17 and second material layer 18 using it is flexible thoroughly
Bright polymeric material is made, and forms transparent keyboard.
Further, the first material layer 17 and second material layer 18 are respectively positioned on the same side of the conductive material layer 16,
The conductive material layer 16 is made of at least one material in carbon nano-tube film, Graphene, zinc oxide and tin indium oxide;Institute
State first material layer 16 and second material layer 17 using Biaxially oriented polypropylene, polypropylene, polyethylene, silicon rubber, fluorosioloxane rubber,
Polymethyl methacrylate, polyethylene terephthalate, polyurethane, epoxy resin, polyethyl acrylate, polyacrylic acid fourth
At least one material in ester, polystyrene, polybutadiene, polyacrylonitrile is made.The conductive material layer 16 of the present embodiment is used
Graphene is made, and first material layer 17 is made of silicon rubber, and second material layer 18 is made of butyl polyacrylate.
Further, the pulse coder 6 of the present embodiment includes light-emitting component 19, receiving element 20, the sum of code-disc 21
According to process chip 22.The light-emitting component 19 and receiving element 20 are correspondingly arranged at the both sides of the code-disc 21, the code-disc 21
One end be provided with disk 23, be laid with through hole 24 on circumference corresponding with the position of the light-emitting component 19 on the disk 23;
The data processing chip 22 is electrically connected with the light-emitting component 19 and receiving element 20 respectively.
The light and thin type piezoelectricity tactile feedback keyboard of the present embodiment, is filled by setting tactile feedback in the lower section of key panel
Put, when finger pressing keys panel, deform piezoelectric ceramics, so piezoelectric ceramics two ends band point, due to electric actuator
Two ends are coupled with the two ends of piezoelectric ceramics respectively, and electric current can be formed in electric actuator, and then promote electric actuator energization deformation,
Pressing touch-control feedback is provided, there is thickness of thin.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the present invention, protection model of the invention
Enclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of light and thin type piezoelectricity tactile feedback keyboard, it is characterised in that:Including keyboard body, the keyboard body be provided with by
Be provided with functional unit in keypad, and the keyboard body, the key zone includes key panel, and the key panel lower section
Corresponded with each key position and be provided with sense of touch inductive switch element and haptic feedback mechanism, the haptic feedback mechanism position
In the lower section of the sense of touch inductive switch element;The functional unit includes processor and the storage electrically connected with the processor
Unit, is connected with pulse coder and the communication module for being connected with computer communication, the treatment on the processor
Keyboard circuit is connected with device, the keyboard circuit is electrically connected with the sense of touch inductive switch element;
The haptic feedback mechanism includes the electric actuator below the key panel, is provided with below the electric actuator
Piezoelectric ceramics, is provided with the packing ring of central aperture below the piezoelectric ceramics, the spacing pad of deformation, the change are provided with the packing ring
Be provided with deformation gap between the spacing pad of shape and the piezoelectric ceramics, the two ends of the electric actuator respectively with the piezoelectric ceramics
Two ends couple.
2. light and thin type piezoelectricity tactile feedback keyboard according to claim 1, it is characterised in that:The top of the key panel
It is provided with the button paster for indicating key position.
3. light and thin type piezoelectricity tactile feedback keyboard according to claim 2, it is characterised in that:The key panel and button
Paster is made of transparent material.
4. light and thin type piezoelectricity tactile feedback keyboard according to claim 3, it is characterised in that:The electric actuator includes layer
The folded conductive material layer for setting and thermal coefficient of expansion not etc. and are not all higher than at least two layers of material of the conductive material layer, described
Conductive material layer is electrically connected with the piezoelectric ceramics.
5. light and thin type piezoelectricity tactile feedback keyboard according to claim 4, it is characterised in that:The material layer is set to two
Layer, respectively first material layer and second material layer.
6. light and thin type piezoelectricity tactile feedback keyboard according to claim 5, it is characterised in that:The conductive material layer is
Bright conductive material layer, the first material layer and second material layer are made of flexible transparent polymeric material.
7. light and thin type piezoelectricity tactile feedback keyboard according to claim 4, it is characterised in that:The first material layer and
Two material layers are respectively positioned on the same side of the conductive material layer, or the first material layer and second material layer respectively positioned at described
The both sides of conductive material layer.
8. light and thin type piezoelectricity tactile feedback keyboard according to claim 5, it is characterised in that:The conductive material layer is used
At least one material in carbon nano-tube film, Graphene, zinc oxide and tin indium oxide is made.
9. light and thin type piezoelectricity tactile feedback keyboard according to claim 5, it is characterised in that:The first material layer and
Two material layers are using Biaxially oriented polypropylene, polypropylene, polyethylene, silicon rubber, fluorosioloxane rubber, polymethyl methacrylate, poly-
Ethylene glycol terephthalate, polyurethane, epoxy resin, polyethyl acrylate, butyl polyacrylate, polystyrene, polybutadiene
At least one material in alkene, polyacrylonitrile is made.
10. the light and thin type piezoelectricity tactile feedback keyboard according to claim any one of 1-9, it is characterised in that:The pulse
Encoder includes light-emitting component, receiving element, code-disc and data processing chip;The light-emitting component and receiving element are correspondingly arranged
In the both sides of the code-disc, one end of the code-disc is provided with disk, circle corresponding with the luminous element position on the disk
Through hole is laid with week;The data processing chip is electrically connected with the light-emitting component and receiving element respectively.
Priority Applications (1)
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CN201611238193.XA CN106774964A (en) | 2016-12-28 | 2016-12-28 | Light and thin type piezoelectricity tactile feedback keyboard |
Applications Claiming Priority (1)
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CN201611238193.XA CN106774964A (en) | 2016-12-28 | 2016-12-28 | Light and thin type piezoelectricity tactile feedback keyboard |
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CN106774964A true CN106774964A (en) | 2017-05-31 |
Family
ID=58925121
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CN201611238193.XA Pending CN106774964A (en) | 2016-12-28 | 2016-12-28 | Light and thin type piezoelectricity tactile feedback keyboard |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112162690A (en) * | 2020-10-23 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | Auxiliary keyboard and electronic equipment |
WO2023122864A1 (en) * | 2021-12-27 | 2023-07-06 | Boe Technology Group Co., Ltd. | Haptic substrate and electronic apparatus |
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US20150122621A1 (en) * | 2013-11-07 | 2015-05-07 | Microsoft Corporation | Controller-Less Quick Tactile Feedback Keyboard |
CN105206738A (en) * | 2015-10-26 | 2015-12-30 | 福建师范大学 | Electrically actuating material and electrical actuator |
CN105487683A (en) * | 2016-02-04 | 2016-04-13 | 重庆墨希科技有限公司 | Flexible graphene cold-light-board keyboard |
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CN101350616A (en) * | 2008-08-11 | 2009-01-21 | 株洲南车时代电气股份有限公司 | Pulse control type touch induction keyboard and implementing method thereof |
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CN112162690A (en) * | 2020-10-23 | 2021-01-01 | 武汉华星光电半导体显示技术有限公司 | Auxiliary keyboard and electronic equipment |
WO2023122864A1 (en) * | 2021-12-27 | 2023-07-06 | Boe Technology Group Co., Ltd. | Haptic substrate and electronic apparatus |
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