CN208335151U - A kind of virtual keyboard device - Google Patents
A kind of virtual keyboard device Download PDFInfo
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- CN208335151U CN208335151U CN201820631351.6U CN201820631351U CN208335151U CN 208335151 U CN208335151 U CN 208335151U CN 201820631351 U CN201820631351 U CN 201820631351U CN 208335151 U CN208335151 U CN 208335151U
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- module
- virtual keyboard
- keyboard device
- piezoelectric sensing
- substrate
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
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- 230000005540 biological transmission Effects 0.000 claims description 3
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- 238000010992 reflux Methods 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
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- 238000004590 computer program Methods 0.000 description 2
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- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000002452 interceptive effect Effects 0.000 description 1
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- 230000003287 optical effect Effects 0.000 description 1
- -1 plank Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a kind of virtual keyboard device, and the virtual keyboard device includes substrate, piezoelectric sensing module, processing module and fixed module；The substrate is used to generate elastic wave signal according to touching；The piezoelectric sensing module is connected by the fixed module with the substrate, for converting voltage signal for the elastic wave signal received；The processing module is connected with the piezoelectric sensing module, for prestoring control instruction according to voltage signal acquisition is corresponding.Accurately touching identification is provided under the premise of can effectively reduce existing keyboard volume and weight by virtual keyboard device provided by the utility model, closer to user's use habit, convenient for effective popularization of dummy keyboard.
Description
Technical field
The utility model relates to digital, interactive field, espespecially a kind of virtual keyboard device.
Background technique
With the development of electronic technology, the lightening primary research and development side for having become electronics firm of portable electronic device
The lightening degree of electronic equipment is also more about paid attention to, user；For reduce the occupied space of portable electronic device and
Reduce its weight, a large amount of biggish mechanical equipment of occupied space is designated to substitute, and conventional keyboard is above-mentioned to need to substitute
One of element of diminution then comes into being as substitute products " dummy keyboard ".
In the prior art, dummy keyboard is mainly the voltage difference passed through when the inductance elements such as capacitance plate acquisition user uses
The data such as value judge the practical touch point of user, and the input information of user, those dummy keyboards are determined further according to those touch points
On be distributed with multiple virtual keys adjacent to each other, for user by a control piece (such as finger) to those virtual keys carry out
Touching is pressed.However, the foundation of the acquired sampling point of those dummy keyboards is the change of capacitor or resistance, level, if user is by palm
Or finger can then cause identification mistake or unrecognized for a long time when being placed in the dummy keyboard to subsequent button operation
Problem, at the same usually user when lasting importation instruct, for operate conveniently or reduce input operate when fatigue problem when,
Often there is the habit that finger or palm are placed in keyboard；Therefore, existing dummy keyboard leads to not effectively push away because of above-mentioned reason
Extensively, poor usage experience is brought to user's practical operation.
For this purpose, how to provide a kind of fitting user's use habit, and it can be reduced the virtual key of occupied space and total quality
Disk becomes a big problem of urgent need to resolve in the industry.
Utility model content
The utility model aim is to provide a kind of small volume, and it is virtual that application range is wider and identification is more accurate
Key board unit.
In order to achieve the above object, the utility model provides a kind of virtual keyboard device, described device includes substrate, piezoelectric sensing
Module, processing module and fixed module；The substrate is used to generate elastic wave signal according to touching；The piezoelectric sensing module is logical
It crosses the fixed module to be connected with the substrate, for converting voltage signal for the elastic wave signal received；It is described
Processing module is connected with the piezoelectric sensing module, for prestoring control instruction according to voltage signal acquisition is corresponding.
In above-mentioned virtual keyboard device, it is preferred that described device also includes communication module, the communication module with it is described
Processing module is connected, and the communication module is used to provide the described the data exchange channels of virtual keyboard device and external equipment.
In above-mentioned virtual keyboard device, it is preferred that the fixed module is pad, and the pad is divided into the piezoelectricity
On sensing module and the substrate, for by the piezoelectric sensing module by being fixedly welded on the substrate.
In above-mentioned virtual keyboard device, it is preferred that be provided with isolated area on the pad, the isolated area is for providing
Channel isolation between pad is provided.
In above-mentioned virtual keyboard device, it is preferred that the substrate side is arranged by ITO technology or brush silver paste line technology
The pad, the substrate are connected with the piezoelectric sensing module by ultrasonic bonding pad or reflow soldering pad.
In above-mentioned virtual keyboard device, it is preferred that the fixed module is flexible circuit board, the piezoelectric sensing module
It is fixed on the flexible circuit board side, the flexible circuit board other side is attached on the substrate.
In above-mentioned virtual keyboard device, it is preferred that set respectively in the flexible circuit board and the piezoelectric sensing module
It is equipped with pad, the flexible circuit board passes through ultrasonic bonding pad or reflow soldering pad phase with the piezoelectric sensing module
Even.
In above-mentioned virtual keyboard device, it is preferred that described device also includes shell, and the shell is for protecting piezoelectricity to pass
Feel module, processing module and fixed module.
In above-mentioned virtual keyboard device, it is preferred that the communication module includes: wire transmission module, wifi communicate mould
Block, bluetooth communication, zigbee communication module.
In above-mentioned virtual keyboard device, it is preferred that the processing module is the stm32 family chip of ARM kernel.
The advantageous effects of the utility model are: can be effective by virtual keyboard device provided by the utility model
Accurately touching identification is provided under the premise of reducing existing keyboard volume and weight, closer to user's use habit, convenient for virtual
Effective popularization of keyboard.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The restriction to the utility model is not constituted.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of virtual keyboard device provided by an embodiment of the present invention；
Fig. 2 is the piezoelectric sensing module and fixed module of virtual keyboard device provided by an embodiment of the present invention
Structural schematic diagram；
Fig. 3 is the substrate of virtual keyboard device provided by an embodiment of the present invention and the installation of piezoelectric sensing module
Schematic diagram；
Fig. 4 A is the substrate of virtual keyboard device provided by an embodiment of the present invention and the peace of piezoelectric sensing module
Fill schematic diagram；
Fig. 4 B is the substrate of virtual keyboard device provided by an embodiment of the present invention and the peace of piezoelectric sensing module
Fill schematic diagram；
Fig. 5 is the structural schematic diagram of virtual keyboard device provided by an embodiment of the present invention.
Specific embodiment
For the objectives, technical solutions, and advantages of the embodiments of the present invention are more clearly understood, below with reference to embodiment
And attached drawing, the utility model is described in further details.Here, the illustrative embodiments and their description of the utility model are used for
It explains the utility model, but is not intended to limit the scope of the present invention.
In the description of this specification, reference term " embodiment ", " specific embodiment ", " such as " etc. description meaning
Refer to that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the application
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or show
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples
It can be combined in any suitable manner.The step of involved in each embodiment, sequentially is used to schematically illustrate the implementation of the application, step therein
Suddenly it is sequentially not construed as limiting, can appropriately adjust as needed.
It please refers to shown in Fig. 1, the utility model provides a kind of virtual keyboard device, and described device includes substrate 101, piezoelectricity
Sensing module 102, processing module 103 and fixed module；The substrate 101 is used to generate elastic wave signal according to touching；It is described
Piezoelectric sensing module 102 is connected by the fixed module with the substrate 101, the elastic wave signal for will receive
It is converted into voltage signal；The processing module 103 is connected with the piezoelectric sensing module, for being obtained according to the voltage signal
It is corresponding to prestore control instruction.In this embodiment, the substrate 101 can produce for glass, plank, metal plate etc. according to touching
The hard material of raw elastic wave signal, relevant technical staff in the field can select appropriate material to use, this reality according to actual needs
Excessive limitation is not done herein with novel；The piezoelectric sensing module 102 includes one or more piezoelectric transducers, the piezoelectricity
Sensor can be piezoceramic transducer, piezoelectric film sensor, piezoeletric quartz sensor or other with piezoelectric effect
Sensor converts voltage signal for elastic wave signal caused by user's practical touch substrate with this, thereafter further according to described
Voltage signal obtains the input instruction of user；Certainly, in the process, instructed according to the input that the voltage signal obtains user
Mode may include existing a variety of validation testings, such as can be sent out according to touch area pre-set on substrate and voltage signal
The corresponding relationship of raw position, the required target instruction target word inputted of confirmation user；Dynamics or the time that user's touching can also be used are true
Recognize the target instruction target word inputted required for user, relevant technical staff in the field can select setting one of according to actual needs or
A variety of combinations, the utility model do not do excessive limitation herein.
In the above-described embodiments, the piezoelectric transducer quantity can select to be arranged according to the actual situation, such as fixed when needing
When position precision is higher, a piezoelectric transducer can be set at each predetermined key position on the dummy keyboard；When needing to control
When cost, then at least three piezoelectric transducers, the elastic wave received according to each piezoelectric transducer can be set on the substrate
Signal obtains elastic wave signal and generates position and dynamics, thus judges user's practical touch purpose；Certainly, examples detailed above only can
The embodiment of choosing, when specifically used, relevant technical staff in the field can select to use according to actual needs, and the utility model exists
This does not further limit it.
It is please referred to shown in Fig. 1 again, in an embodiment of the utility model, described device also includes communication module 104, described
Communication module 104 is connected with the processing module 103, and the communication module 104 is used to provide the described virtual keyboard device and outer
The data exchange channels of portion's equipment.The communication module 104 may be disposed at different location in actual use work, such as settable
In external device (ED), when external device (ED) is needed using the virtual keyboard device, it is docked to by the communication module described
Processing module；Alternatively, the communication module can also be a wireless communication unit, such as wired transmission module, wifi communication module,
Bluetooth communication, zigbee communication module etc. are docked by modes such as network, near-field communication technologies with external equipment foundation,
Realize the effect of data interchange.The processing module is the stm32 family chip of ARM kernel, in certain real work, because using
Address and the difference of requirement, the processing module may be alternatively provided as other chips, and the utility model does not do excessive limitation herein.
It please refers to shown in Fig. 2, fixed module described in above-mentioned virtual keyboard device can be pad 201, and the pad 201 divides
In the piezoelectric sensing module 202 and the substrate, for by the piezoelectric sensing module 202 by being fixedly welded on
It states on substrate.As shown in Fig. 2, be also provided with isolated area 203 on the pad, the isolated area 203 for provide pad it
Between channel isolation.The isolation zone position may be disposed between two soldering opening of pad, be mainly used for preventing the piezoelectric sensing mould
Two pads of 202 two sides of block connect, and lead to the problem of short circuit, and position can select to be arranged according to actual needs, this is practical new
Type is herein and without limitation.Certain piezoelectric sensing module can also be connected with the substrate by direct or indirect mode,
Specific connection type will illustrate in the examples below, just not be described in detail herein.
It is please referred to shown in Fig. 3 again, in an embodiment of the utility model, 301 side of substrate passes through ITO technology or brush
The weldering is arranged in silver paste line technology (the piezoelectric transducer is connected with golden finger 304 by ITO conducting wire or silver paste line 302)
Disk 303 is pad spare interface, and the substrate 301 passes through ultrasonic bonding pad or reflow soldering with the piezoelectric sensing module
Pad is connected.In this embodiment, mainly by the weldering on the pad and the substrate in the piezoelectric sensing module in above-mentioned Fig. 2
Disk spare interface is directly weldingly connected, and piezoelectric sensing module is fixed on the substrate with this, is convenient for follow-up work
When can effectively collect the elastic wave signal that generation is touched on substrate.
It please refers to shown in Fig. 4 A and Fig. 4 B, in an embodiment of the utility model, the fixed module is flexible circuit board,
The piezoelectric sensing module is fixed on the flexible circuit board side, and 401 other side of flexible circuit board is attached at the base
On plate 402.With this, by flexible circuit board as fixed connection structure, the piezoelectric sensing module is set to the substrate
On 402；The method that the piezoelectric sensing module is wherein fixed on to the side of the flexible circuit board 401 is fixed on also described above
Method on substrate is similar, is mainly respectively arranged with pad on the flexible circuit board 401 and the piezoelectric sensing module
403, the flexible circuit board 401 is connected with the piezoelectric sensing module by ultrasonic bonding pad or reflow soldering pad,
Thereafter in the unified output of the voltage data for the conversion for acquiring those piezoelectric sensing modules into golden finger 404, by golden finger 404
Processing module is transferred to carry out processing analysis；Specific welding manner can refer to above description, and the utility model is just no longer described in detail herein.
It please refers to shown in Fig. 5, in an embodiment of the utility model, described device also includes shell 105, the shell
105 for protecting piezoelectric sensing module 102, processing module 103 and fixed module；With this, it is can effectively protect by the shell 105
The virtual keyboard device makes the virtual keyboard device can be used as an independent external connection keyboard, carries and use convenient for user,
The shell 105 can select appropriate material, such as plastics, metal etc. according to actual needs, and the utility model is not done excessively herein
Limitation.
The advantageous effects of the utility model are: can be effective by virtual keyboard device provided by the utility model
Accurately touching identification is provided under the premise of reducing existing keyboard volume and weight, closer to user's use habit, convenient for virtual
Effective popularization of keyboard.
It should be understood by those skilled in the art that, the embodiments of the present invention can provide as method, system or computer
Program product.Therefore, the utility model can be used complete hardware embodiment, complete software embodiment or combine software and hardware
The form of the embodiment of aspect.Moreover, it wherein includes computer available programs that the utility model, which can be used in one or more,
Implement in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of code
The form of computer program product.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not used to limit this foregoing is merely specific embodiment of the utility model
The protection scope of utility model, within the spirit and principle of the utility model, any modification for being made, changes equivalent replacement
Into etc., it should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of virtual keyboard device, which is characterized in that described device includes substrate, piezoelectric sensing module, processing module and consolidates
Cover half block；
The substrate is used to generate elastic wave signal according to touching；
The piezoelectric sensing module is connected by the fixed module with the substrate, for believing the elastic wave received
Number it is converted into voltage signal；
The processing module is connected with the piezoelectric sensing module, for prestoring control according to voltage signal acquisition is corresponding
Instruction.
2. virtual keyboard device according to claim 1, which is characterized in that described device also includes communication module, described
Communication module is connected with the processing module, and the communication module is used to provide the described the number of virtual keyboard device and external equipment
According to interaction channel.
3. virtual keyboard device according to claim 2, which is characterized in that the communication module includes: wire transmission mould
Block, wifi communication module, bluetooth communication, zigbee communication module.
4. virtual keyboard device according to claim 1, which is characterized in that the fixed module is pad, the pad
Be divided on the piezoelectric sensing module and the substrate, for by the piezoelectric sensing module by being fixedly welded on the base
On plate.
5. virtual keyboard device according to claim 4, which is characterized in that isolated area is provided on the pad, it is described
Isolated area is used to provide the channel isolation between pad.
6. virtual keyboard device according to claim 4, which is characterized in that the substrate side passes through ITO technology or brush
The pad is arranged in silver paste line technology, and the substrate and the piezoelectric sensing module pass through ultrasonic bonding pad or reflow soldering
Pad is connected.
7. virtual keyboard device according to claim 1, which is characterized in that the fixed module is flexible circuit board, institute
It states piezoelectric sensing module and is fixed on the flexible circuit board side, the flexible circuit board other side is attached on the substrate.
8. virtual keyboard device according to claim 7, which is characterized in that the flexible circuit board and the piezoelectric sensing
Pad is respectively arranged in module, the flexible circuit board and the piezoelectric sensing module pass through ultrasonic bonding pad or reflux
Solder pad is connected.
9. virtual keyboard device according to claim 1, which is characterized in that described device also includes shell, the shell
For protecting piezoelectric sensing module, processing module and fixed module.
10. virtual keyboard device according to claim 1, which is characterized in that the processing module is ARM kernel
Stm32 family chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820631351.6U CN208335151U (en) | 2018-04-28 | 2018-04-28 | A kind of virtual keyboard device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820631351.6U CN208335151U (en) | 2018-04-28 | 2018-04-28 | A kind of virtual keyboard device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208335151U true CN208335151U (en) | 2019-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820631351.6U Active CN208335151U (en) | 2018-04-28 | 2018-04-28 | A kind of virtual keyboard device |
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| CN (1) | CN208335151U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443820A (en) * | 2019-01-17 | 2020-07-24 | 北京钛方科技有限责任公司 | Method and system for identifying pressing impulse of touch pad |
| CN111464669A (en) * | 2019-01-18 | 2020-07-28 | 北京钛方科技有限责任公司 | Smart device button control device and method |
| US11537229B2 (en) | 2019-01-17 | 2022-12-27 | Beijing Taifang Technology Co., Ltd. | Touch pad pressure detection method and apparatus, storage medium and computer device |
-
2018
- 2018-04-28 CN CN201820631351.6U patent/CN208335151U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443820A (en) * | 2019-01-17 | 2020-07-24 | 北京钛方科技有限责任公司 | Method and system for identifying pressing impulse of touch pad |
| CN111443820B (en) * | 2019-01-17 | 2021-09-21 | 北京钛方科技有限责任公司 | Method and system for identifying pressing impulse of touch pad |
| US11537229B2 (en) | 2019-01-17 | 2022-12-27 | Beijing Taifang Technology Co., Ltd. | Touch pad pressure detection method and apparatus, storage medium and computer device |
| CN111464669A (en) * | 2019-01-18 | 2020-07-28 | 北京钛方科技有限责任公司 | Smart device button control device and method |
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