CN102478983A - Vibration-proof piezoelectric touch control induction device and vibration-proof method of piezoelectric touch control induction device - Google Patents
Vibration-proof piezoelectric touch control induction device and vibration-proof method of piezoelectric touch control induction device Download PDFInfo
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- CN102478983A CN102478983A CN2010105658423A CN201010565842A CN102478983A CN 102478983 A CN102478983 A CN 102478983A CN 2010105658423 A CN2010105658423 A CN 2010105658423A CN 201010565842 A CN201010565842 A CN 201010565842A CN 102478983 A CN102478983 A CN 102478983A
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Abstract
The invention discloses an anti-vibration piezoelectric touch sensing device and an anti-vibration method of the piezoelectric touch sensing device, and belongs to the technical field of electric digital data processing. The vibration-proof piezoelectric touch sensing device includes: the anti-vibration surface layer is arranged on the surface of the shell and used for reducing the influence of external vibration interference signals on devices in the shell. The device and the method can effectively reduce the interference of external vibration and other factors on the device, thereby improving the stability and the precision of the piezoelectric touch sensing device, expanding the application range of the piezoelectric touch sensing device, and having simple structure, lower manufacturing cost and easy realization.
Description
Technical field
The present invention relates to electric numerical data processing technology field, relate in particular to the vibration isolation method of a kind of vibrationproof piezoelectricity touch control induction device and piezoelectricity touch control induction device.
Background technology
Along with the development of sensing technology and the continuous appearance of new material; The vibration signal that surface in contact is produced through medium continues to bring out as the technology of basis on location; For example: one Chinese patent application 200480013578 discloses a kind of touch-control input device; This device is confirmed position of touch through the vibration of propagating in the sensing contact panel, and this vibration is from the touch-control that is applied on the contact panel; Through the vibration-sensitive device in the device, like piezoelectric sensor, be used for sensing above-mentioned vibration, and the response of generation and direction of vibration propagation symmetry, said response mainly is to touch-control or vibrates the signal response of the flexural wave that produces; Suitably select size, the shape of sensor and direction is set, can improve the sensitivity of sensor vibration.
In addition, Chinese patent CN00817654 also discloses method and the device that the touch information on the touch-control sensing device is calculated in a kind of vibration that utilizes flexural wave.This method comprises step: in this touch-control sensing device, provide one can keep flexural wave parts; Provide and be attached to these parts and be used for measuring in the crooked wave propagation of parts; Thereby confirm measured bending wave signal, and handle measured bending wave signal to calculate the device of the information relevant with touch-control.The touch-control sensing device can comprise the transparent touch sensing plate that is installed on display device the place ahead; Input pen is used for literal or other content are write on this touch-control sensing plate; The transparent touch sensing plate also can be one can keep bending wave vibration sound device; Three converters are installed on the touch-control sensing plate, and at least two converters are transducer-translating device or sensor, thereby very sensitive and keep watch on bending wave vibration to the bending wave vibration in the plate.
In addition; Chinese patent CN96194766 discloses a kind of Digital Control device; The content that is disclosed mainly is a kind of control device, comprising: panel driving signal generator, first multiplexer of selection output slab drive signal; The four-way road drive division of the path drive signal at each angle of panel is delivered in generation, selects the 3rd multiplexer of a typing signal of output finger touch signal or typing pen output; BPF.; The output of BPF. is carried out the rectifier of rectification; Detect the low-pass filter of the basic DC component of rectifier output; With the panel driving control signal synchronously with the output of low-pass filter analog to digital converter as coordinate signal output, and interface.This device has adopted resistive touch screen, has the clock signal of generation first frequency and the panel driving signal of predetermined second frequency, and goes for the multiple shape except that rectangle.
In the prior art; All be that the signal that produced of vibration is gathered and handled, disturb, the vibration that in moving process, produces like the bigger noise of external environment, device but these equipment can receive some in the course of the work; Even the vibration of user's hand etc. all can affect to touching signals; And above-mentioned these schemes all do not have to carry out special vibrationproof for whole contactor control device and handle, and parts or structure just are not set specially deal with influence and the error that the vibration interference that occurred is brought, therefore; Also there is deficiency in these schemes, have much room for improvement and improve.
Summary of the invention
The technical matters that (one) will solve
The technical matters that the present invention will solve is how to reduce the interference of external vibration to the piezoelectricity touch control induction device, thereby reduces the influence to the generation of output signal.
(2) technical scheme
For solving the problems of the technologies described above, technical scheme of the present invention is following:
The invention provides a kind of vibrationproof piezoelectricity touch control induction device; Comprise: contact panel, the touch sensing that is arranged at said contact panel downside, control circuit board and housing; Further; This device also comprises: be arranged at said surface of shell, be used to reduce the vibrationproof top layer of extraneous vibration undesired signal to the influence of enclosure interior device.
In the such scheme, said vibrationproof top layer is arranged at the outer surface and the inner surface of said housing.
In the such scheme; The vibrationproof top layer on said hull outside surface is by at least a the processing in rubber-like composition material, sponge kind composition material, lipid composite material, silicone matter class material, the THIN COMPOSITE film material, and the outer surface of said vibrationproof top layer and said housing is bonding.
In the such scheme, the vibrationproof top layer on said hull outside surface is processed by sound-insulation vibration-proof paint class material, and said vibrationproof top layer adopts the mode of spraying to combine with the outer surface of said housing.
In the such scheme, the vibrationproof top layer of said housing inner surface is processed by silica gel or resinous material, and with the mode of solidifying or gluing together said vibrationproof top layer one side is combined with the inboard of said housing, and opposite side combines with said contact panel.
In the such scheme, said touch sensing is arranged at the edge of said contact panel.
In the such scheme, when said touch sensing was a plurality of, said contact panel was divided into a plurality of zones, said touch sensing was separately positioned on the edge of contact panel corresponding region.
In the such scheme, said vibrationproof top layer is arranged at the outer surface or the inner surface of said housing.
The present invention also provides a kind of vibration isolation method of piezoelectricity touch control induction device, and this method comprises: at piezoelectricity touch control induction device surface of shell, be provided for reducing the vibrationproof top layer of extraneous vibration undesired signal to the influence of enclosure interior device.
In the such scheme, said vibrationproof top layer is arranged on the hull outside surface, and/or inner surface.
(3) beneficial effect
The vibration isolation method of vibrationproof piezoelectricity touch control induction device provided by the invention and piezoelectricity touch control induction device; At piezoelectricity touch control induction device surface of shell the vibrationproof top layer is set; Can reduce the interference that extraneous vibration and other factors produce device effectively; Thereby improved the stability and the precision of piezoelectricity touch control induction device, and enlarged the usable range of piezoelectricity touch control induction device, and simple in structure, cost is lower, be easy to realize.
Description of drawings
Fig. 1 is the synoptic diagram of vibrationproof piezoelectricity touch control induction device embodiment one of the present invention;
Fig. 2 is the synoptic diagram of vibrationproof piezoelectricity touch control induction device embodiment two of the present invention;
Fig. 3 is the synoptic diagram of vibrationproof piezoelectricity touch control induction device embodiment three of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail.Following examples are used to explain the present invention, but are not used for limiting scope of the present invention.
Vibrationproof piezoelectricity touch control induction device provided by the invention comprises contact panel, touch sensing, control circuit board and housing; This device also further comprises: be arranged at the vibrationproof top layer of said surface of shell, be used to reduce the influence of extraneous vibration undesired signal to the enclosure interior device.
Said vibrationproof top layer can be arranged on the hull outside surface, and/or is arranged on the housing inner surface.
Here, touch sensing can be arranged at the edge of said contact panel; When touch sensing when being a plurality of, said contact panel is divided into a plurality of zones, and touch sensing is distributed in each regional edge respectively.
When external agency touches contact panel; Can produce touch information; Touch sensing receives this touch information and passes to control circuit board, after by control circuit board this touch information being handled, thereby obtains external agency and the contacted particular location of contact panel.
In an embodiment of the present invention; Touch sensing can adopt piezoelectric sensor, like this, and in comprising the vibrationproof piezoelectricity touch control induction device of piezoelectric sensor; The vibration of in the contact panel plane, propagating makes piezoelectric sensors; Can cause that sensor produces electric signal, the vibration that the signal that promptly piezoelectric sensor received can be directly caused by the collision that touches input or friction produces, or influences existing vibration and produce through touching input.When receiving the signal that aforementioned expression touches, can use the method for signal intensity profile to derive and touch the position of input, in a certain particular moment; Each sensor all receives the touch signal of varying strength; Sort signal can be propagated through contact panel, and when contact panel was dispersive medium, the vibration clutter bag expansion of being made up of multifrequency also decayed along with its propagation; Through calculating the vibration signal that touch sensing receives, obtain the information of touch location.When the external vibration undesired signal, absorbed by touch sensing and when getting into the piezoelectricity contactor control device, said external vibration undesired signal can slowed down or reflect in the vibrationproof top layer of surface of shell, thereby reduce the interference to the piezoelectric sensing device like signals such as sound wave, mechanical vibration.
Embodiment one:
Fig. 1 is the synoptic diagram of vibrationproof piezoelectricity touch control induction device embodiment one of the present invention.In Fig. 1, touch sensing 2 is arranged at contact panel 1 downside, and is connected with control circuit board 4 through electrical cable; Control circuit board 4 is arranged at contact panel 1 below, is used for gathering and the processing transducing signal; Housing 5 is used to encapsulate said contact panel 1, piezoelectric sensor 2 and control circuit board 4; First link 7 is arranged between housing 5 and the control circuit board 4, is used for support and control circuit board 4; Vibrationproof top layer, the outside 3 is arranged at housing 5 outer surfaces; One side on inboard vibrationproof top layer 6 and 5 inboard combinations of housing, and opposite side combines with contact panel 1.
In the present embodiment, the material on vibrationproof top layer, the outside 3 is at least by at least a the processing in the following different materials:
The rubber-like composition material, for example:, mix the rubber compsn that obtains with vulcanizing agent with mediating product through mediating ethylene-alpha-olefin-nonconjugated polyene hydrocarbon copolymer rubber, softening agent and reinforcing material;
The sponge kind composition material, for example: be combined into a composite bed by subsides mutually through one deck bubble silk floss and one deck sponge, have the compound vibration-proof material of the vibration-isolating effect of continuous shock attenuation result of bubble and sponge concurrently;
The lipid composite material, for example: animi resin class vibration proofing material;
Silicone matter class material, for example: through adding the volatile liquid that does not hinder its sclerosis and be insoluble to this stoste in the stoste before the silicone adhesive sclerosis, make its whole ropy milkization, the silicone matter class buffering vibration-proof material that the dielectric heating obtains in high frequency power plant then;
The THIN COMPOSITE film material, for example: the compounded film class of tygon and resilient material material.
When using the vibrationproof top layer 3, the material outside of above type, can combine through the outer surface of bonding mode with housing 5.
In addition, the vibrationproof top layer, the outside 3 of housing 5 can also be processed by sound-insulation vibration-proof paint class material, such as: two-liquid type normal temperature cure application type vibration damping coating composition material, this type of material can adopt the mode of spraying to combine with the outer surface of housing 5.
Inboard vibrationproof top layer 6 materials can be soft vibration-proof material; Can adopt silica gel or resinous material to process; For example: adopt silicon gel or epoxy resin, combine with the inboard of housing 5 with the mode of solidifying or gluing together a side, and opposite side combines with contact panel 1 with inboard vibrationproof top layer 6.
Embodiment two:
Be illustrated in figure 2 as the synoptic diagram of vibrationproof piezoelectricity touch control induction device embodiment two of the present invention; Embodiment two is modification of embodiment one; Different with embodiment one is; Include only the vibrationproof top layer 3 that is arranged at housing 5 outsides among Fig. 2, and between contact panel 1 and control circuit board 4, second link 9 is set, be used to support contact panel 1.
Embodiment three:
As shown in Figure 3; Be the synoptic diagram of vibrationproof piezoelectricity touch control induction device embodiment three of the present invention, embodiment three is modification of embodiment one, and different with embodiment one is; Include only the vibrationproof top layer 6 that is arranged at housing 5 inboards among Fig. 3, be connected in housing 5 inboard and contact panels 1.
Based on said apparatus, the present invention also provides a kind of vibration isolation method of piezoelectricity touch control induction device, and this method comprises: at piezoelectricity touch control induction device surface of shell the vibrationproof top layer is set, to reduce the influence of extraneous vibration undesired signal to the enclosure interior device.
Said vibrationproof top layer can be arranged on the hull outside surface, and/or inner surface.
The vibrationproof top layer on said hull outside surface is by at least a the processing in rubber-like composition material, sponge kind composition material, lipid composite material, silicone matter class material, the THIN COMPOSITE film material, and said vibrationproof top layer combines with the outer surface of said housing through the mode of gluing together.
The vibrationproof top layer on said hull outside surface is processed by sound-insulation vibration-proof paint class material, and said vibrationproof top layer adopts the mode of spraying to combine with the outer surface of said housing.
The vibrationproof top layer of said housing inner surface is processed by silica gel or resinous material, and with the mode of solidifying or gluing together said vibrationproof top layer one side is combined with the inboard of said housing, and opposite side combines with said contact panel.
Adopt scheme of the present invention; Its advantage is: outer surface and/or inner surface through at piezoelectricity touch control induction device housing are provided with shockproof top layer, can reduce the interference that extraneous vibration and other factors produce device effectively, thereby have improved the stability and the precision of piezoelectricity touch control induction device; And enlarged the usable range of piezoelectricity touch control induction device; And simple in structure, cost is lower, is easy to realize.
The above only is an embodiment of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from know-why of the present invention; Can also make some improvement and modification, these improve and modification also should be regarded as protection scope of the present invention.
Claims (10)
1. vibrationproof piezoelectricity touch control induction device; Comprise: contact panel, the touch sensing that is arranged at said contact panel downside, control circuit board and housing; It is characterized in that this device also comprises: be arranged at said surface of shell and be used to reduce the vibrationproof top layer of extraneous vibration undesired signal to the influence of enclosure interior device.
2. vibrationproof piezoelectricity touch control induction device according to claim 1 is characterized in that said vibrationproof top layer is arranged at the outer surface and the inner surface of said housing.
3. vibrationproof piezoelectricity touch control induction device according to claim 2; It is characterized in that; The said vibrationproof top layer that is arranged at the hull outside surface; By at least a the processing in rubber-like composition material, sponge kind composition material, lipid composite material, silicone matter class material, the THIN COMPOSITE film material, and the outer surface of said vibrationproof top layer and said housing is bonding.
4. vibrationproof piezoelectricity touch control induction device according to claim 2; It is characterized in that; The said vibrationproof top layer that is arranged at the hull outside surface is processed by sound-insulation vibration-proof paint class material, and said vibrationproof top layer adopts the mode of spraying to combine with the outer surface of said housing.
5. vibrationproof piezoelectricity touch control induction device according to claim 2; It is characterized in that; The said vibrationproof top layer that is arranged at the housing inner surface; Processed by silica gel or resinous material, and with the mode of solidifying or gluing together said vibrationproof top layer one side is combined with the inboard of said housing, opposite side combines with said contact panel.
6. vibrationproof piezoelectricity touch control induction device according to claim 1 is characterized in that said touch sensing is arranged at the edge of said contact panel.
7. vibrationproof piezoelectricity touch control induction device according to claim 6 is characterized in that when said touch sensing was a plurality of, said contact panel was divided into a plurality of zones, said touch sensing was separately positioned on the edge of contact panel corresponding region.
8. vibrationproof piezoelectricity touch control induction device according to claim 1 is characterized in that said vibrationproof top layer is arranged at the outer surface or the inner surface of said housing.
9. the vibration isolation method of a piezoelectricity touch control induction device is characterized in that, this method comprises: at piezoelectricity touch control induction device surface of shell, be provided for reducing the vibrationproof top layer of extraneous vibration undesired signal to the influence of enclosure interior device.
10. method according to claim 9 is characterized in that, said vibrationproof top layer is arranged on the hull outside surface, and/or inner surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105658423A CN102478983A (en) | 2010-11-30 | 2010-11-30 | Vibration-proof piezoelectric touch control induction device and vibration-proof method of piezoelectric touch control induction device |
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| CN2010105658423A CN102478983A (en) | 2010-11-30 | 2010-11-30 | Vibration-proof piezoelectric touch control induction device and vibration-proof method of piezoelectric touch control induction device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108292180A (en) * | 2015-12-04 | 2018-07-17 | 摩达伊诺琴股份有限公司 | Touch-controlled screen device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2513305Y (en) * | 2001-12-10 | 2002-09-25 | 郭春富 | Shock-absorbing device on the outer surface of the housing |
| CN101763166A (en) * | 2008-12-23 | 2010-06-30 | 捷讯研究有限公司 | Portable electronic device and method of control |
| CN101859211A (en) * | 2010-05-21 | 2010-10-13 | 汉王科技股份有限公司 | Finger touch positioner and method |
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- 2010-11-30 CN CN2010105658423A patent/CN102478983A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2513305Y (en) * | 2001-12-10 | 2002-09-25 | 郭春富 | Shock-absorbing device on the outer surface of the housing |
| CN101763166A (en) * | 2008-12-23 | 2010-06-30 | 捷讯研究有限公司 | Portable electronic device and method of control |
| CN101859211A (en) * | 2010-05-21 | 2010-10-13 | 汉王科技股份有限公司 | Finger touch positioner and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108292180A (en) * | 2015-12-04 | 2018-07-17 | 摩达伊诺琴股份有限公司 | Touch-controlled screen device |
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Application publication date: 20120530 |