Electric actuation tactile feedback keyboardTechnical field
The present invention relates to a kind of keyboard, it is specifically a kind of electric actuation tactile feedback keyboard.
Background technology
Keyboard is a kind of instruction and data input equipment running for operation equipment, also refers to operate one through system arrangementOne group of function key (as typewriter, computor-keyboard) of platform machine or equipment.With the development of technology, although develop such as touchingThe various replacement input technologies of screen, speech recognition and gesture identification, but keyboard remains and is input to computing device for the mankindThe most frequently used equipment.
Can often tend to rely on touch feedback to represent that button is pressed with the user of high speed typewriting, existingMechanical keyboard provides touch feedback by spring loads.Development with touch screen technology and hand-held terminal device miniaturizationDemand, touch screen button is more and more applied in all kinds of electronic terminal product.However, due to eliminating traditional mechanical keysDisc apparatus, lead to be cannot be carried out touch feedback when inputting by way of clicking on touch screen, often lead to userCannot quickly confirm whether keystroke is recorded, force user to confirm by way of vision, lead to input speed significantly to dropLow, have impact on the operating experience of input efficiency and user.
Content of the invention
In view of this, it is an object of the invention to provide a kind of electric actuation tactile feedback keyboard, can produce in keystrokeTouch feedback.
For reaching above-mentioned purpose, the present invention provides following technical scheme：
A kind of electric actuation tactile feedback keyboard, including keyboard body, described keyboard body is provided with virtual key area, and instituteState in keyboard body and be provided with functional unit, described virtual key area includes touch screen and is used for showing virtual key position and being located atDisplay screen below described touch screen, the lower section of described display screen is corresponded with each described virtual key and is provided with electric actuationModule；Described functional unit includes processor and the memory element electrically connecting with described processor, described processor connects and setsHave pulse codr and for the communication module that is connected with computer communication, described processor respectively with described touch screen, displayScreen and the electrical connection of electric actuation module；Described electric actuation module does not include the conductive material layer being stacked and thermal coefficient of expansion not etc. simultaneouslyIt is all higher than at least two layers of material of described conductive material layer, described conductive material layer is electrically connected with described processor.
Further, described touch screen and display screen are all using being made of clear material.
Further, described touch screen adopts transparent graphene touch screen.
Further, described material layer is set to two-layer, respectively first material layer and second material layer.
Further, described conductive material layer is transparent conductive material layer, and described first material layer and second material layer are all adoptedMade with flexible transparent polymeric material.
Further, described first material layer and second material layer are respectively positioned on the same side of described conductive material layer, or describedFirst material layer and second material layer are respectively positioned at the both sides of described conductive material layer.
Further, described conductive material layer adopts at least in carbon nano-tube film, Graphene, zinc oxide and tin indium oxidePlant material to make.
Further, described first material layer and second material layer adopt Biaxially oriented polypropylene, polypropylene, polyethylene, siliconRubber, fluorosioloxane rubber, polymethyl methacrylate, polyethylene terephthalate, polyurethane, epoxy resin, polyacrylic acidAt least one material in ethyl ester, butyl polyacrylate, polystyrene, polybutadiene, polyacrylonitrile is made.
Further, it is provided with transparent up-protective layer above described touch screen, the lower section of described electric actuation module is provided with transparentLower protective layer.
Further, described pulse codr includes light-emitting component, receiving element, code-disc data process chip；DescribedOptical element and receiving element are correspondingly arranged at the both sides of described code-disc, and one end of described code-disc is provided with disk, on described disk withIt is laid with through hole on the corresponding circumference of described luminous element position；Described data processing chip respectively with described light-emitting component andReceiving element electrically connects.
The beneficial effects of the present invention is：
The electric actuation tactile feedback keyboard of the present invention, by arranging electric actuation module below touch screen, when finger is pressedWhen on touch screen, processor is pressed against the location point on touch screen by calculating finger, and then to electricity corresponding with this location pointActuating module energized electric actuation module bends, that is, after the energising of electric actuation module, electric actuation module to first material layer andThe less curving of the coefficient of expansion in second material layer, because touch screen is using flexible touch screen, the electric actuation module of bendingDrive corresponding flexibility touch screen raised or recessed, and then make finger produce slight sense of touch sensing.
Brief description
In order that the purpose of the present invention, technical scheme and beneficial effect are clearer, the present invention provides drawings described below to carry outExplanation：
Fig. 1 is the structural representation of electric actuation tactile feedback keyboard embodiment 1 of the present invention；
Fig. 2 is the hierarchy schematic diagram in virtual key area；
Fig. 3 is the structural representation of electric actuation module；
Fig. 4 is the structural representation of pulse codr；
Fig. 5 is the structural representation of the electric actuation module that electric actuation tactile feedback keyboard embodiment 2 of the present invention adopts.
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 is permissibleIt 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, the structural representation for electric actuation tactile feedback keyboard embodiment of the present invention.The present embodiment electroluminescentDynamic tactile feedback keyboard, including keyboard body, described keyboard body is provided with virtual key area 1, and sets in described keyboard bodyFunctional assembly, described virtual key area 1 includes touch screen 2 and is used for showing virtual key position and being located at described touch screen 2The display screen 3 of lower section, the lower section of described display screen 3 is corresponded with each described virtual key and is provided with electric actuation module 4.InstituteState functional unit and include processor 5 and the memory element 6 electrically connecting with described processor 5, described processor 5 is connected with arteries and veinsRush encoder 7 and for computer 8 communication module 9 that is connected of communication, described processor 5 respectively with described touch screen 2, showScreen 3 and electric actuation module 4 electrically connect.
The described electric actuation module of the present embodiment does not include the conductive material layer 16 being stacked and thermal coefficient of expansion not etc. simultaneouslyIt is all higher than at least two layers of material of described conductive material layer 16, described conductive material layer 16 is electrically connected with described processor 5.ThisThe material layer of embodiment is set to two-layer, respectively first material layer 17 and second material layer 18.Described the first of the present embodimentMaterial layer 17 and second material layer 18 are respectively positioned on the same side of described conductive material layer.Specifically, conductive material layer 16, the first materialThe bed of material 17 and second material layer 18 are cascading, and arrange the coefficient of expansion of first material layer 17 less than second material layer 18The coefficient of expansion, electric actuation module is towards the curving of first material layer 17.
Further, the described touch screen 2 of the present embodiment and display screen 3 are all using being made of clear material, specifically, describedTouch screen 2 adopts transparent graphene touch screen.
Further, described conductive material layer 16 is transparent conductive material layer, described first material layer 17 and second material layer18 are all made using flexible transparent polymeric material.Specifically, described conductive material layer 16 adopt carbon nano-tube film, Graphene,At least one material in zinc oxide and tin indium oxide is made.Described first material layer 17 and second material layer 18 are drawn using two-wayStretched polypropylene, polypropylene, polyethylene, silicone rubber, fluorosioloxane rubber, polymethyl methacrylate, polyethylene terephthalate,In polyurethane, epoxy resin, polyethyl acrylate, butyl polyacrylate, polystyrene, polybutadiene, polyacrylonitrile at leastA kind of material is made.The conductive material layer 16 of the present embodiment is made using Graphene, and first material layer 17 is made using silicone rubber,Second material layer 18 is made using butyl polyacrylate.
Further, it is provided with transparent up-protective layer 19 above described touch screen 2, the lower section of described electric actuation module 4 is provided withTransparent lower protective layer 20.
Further, the described pulse codr 7 of the present embodiment includes light-emitting component 10, receiving element 11, code-disc 12 sumAccording to process chip 13.Described light-emitting component 10 and receiving element 11 are correspondingly arranged at the both sides of described code-disc 12, described code-disc 12One end be provided with disk 14, described disk 14 is laid with through hole 15 on circumference corresponding with described light-emitting component 10 position；Described data processing chip 13 is electrically connected with described light-emitting component 10 and receiving element 11 respectively.
The electric actuation tactile feedback keyboard of the present embodiment, by arranging electric actuation module below touch screen, when finger is pressedWhen on touch screen, processor is pressed against the location point on touch screen by calculating finger, and then to corresponding with this location pointElectric actuation module energized electric actuation module bends, and that is, after the energising of electric actuation module, electric actuation module is to first material layerThe less curving with the coefficient of expansion in second material layer, because touch screen is using flexible touch screen, the electroluminescent dynamic model of bendingBlock drives corresponding flexibility touch screen raised or recessed, and then makes finger produce slight sense of touch sensing.
Embodiment 2
As shown in figure 5, the electric actuation tactile feedback keyboard of the present embodiment, including keyboard body, described keyboard body setsThere is virtual key area 1, and be provided with functional unit in described keyboard body, described virtual key area 1 includes touch screen 2 and is used for showingShow virtual key position and be located at display screen 3, the lower section of described display screen 3 and each described void of described touch screen 2 lower sectionIntend button one-to-one corresponding and be provided with electric actuation module 4.Described functional unit is included processor 5 and is electrically connected with described processor 5Memory element 6, described processor 5 is connected with pulse codr 7 and the communication module 9 for being connected with computer 8 communication,Described processor 5 is electrically connected with described touch screen 2, display screen 3 and electric actuation module 4 respectively.
The described electric actuation module of the present embodiment does not include the conductive material layer 16 being stacked and thermal coefficient of expansion not etc. simultaneouslyIt is all higher than at least two layers of material of described conductive material layer 16, described conductive material layer 16 is electrically connected with described processor 5.ThisThe material layer of embodiment is set to two-layer, respectively first material layer 17 and second material layer 18.Described the first of the present embodimentMaterial layer 17 and second material layer 18 are respectively positioned on the both sides of described conductive material layer, and arrange the coefficient of expansion of first material layer 17Less than the coefficient of expansion of second material layer 18, electric actuation module is towards the curving of first material layer 17.
Further, described conductive material layer 16 is transparent conductive material layer, described first material layer 17 and second material layer18 are all made using flexible transparent polymeric material.Specifically, described conductive material layer 16 adopt carbon nano-tube film, Graphene,At least one material in zinc oxide and tin indium oxide is made.Described first material layer 17 and second material layer 18 are drawn using two-wayStretched polypropylene, polypropylene, polyethylene, silicone rubber, fluorosioloxane rubber, polymethyl methacrylate, polyethylene terephthalate,In polyurethane, epoxy resin, polyethyl acrylate, butyl polyacrylate, polystyrene, polybutadiene, polyacrylonitrile at leastA kind of material is made.The conductive material layer 16 of the present embodiment is made using carbon nano-tube film, and first material layer 17 adopts polyurethaneMake, second material layer 18 is made using polyethyl acrylate.
The other structures of the present embodiment are same as Example 1, are not repeated.
The electric actuation tactile feedback keyboard of the present embodiment, by arranging electric actuation module below touch screen, when finger is pressedWhen on touch screen, processor is pressed against the location point on touch screen by calculating finger, and then to corresponding with this location pointElectric actuation module energized electric actuation module bends, and that is, after the energising of electric actuation module, electric actuation module is to first material layerThe less curving with the coefficient of expansion in second material layer, because touch screen is using flexible touch screen, the electroluminescent dynamic model of bendingBlock drives corresponding flexibility touch screen raised or recessed, and then makes finger produce slight sense of touch sensing.
Embodiment described above is only the preferred embodiment lifted for absolutely proving the present invention, the protection model of the present inventionEnclose not limited to this.Equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, all in the present inventionProtection domain within.Protection scope of the present invention is defined by claims.