CN205229311U - Touch -control sound wave screen with reaction type transducer - Google Patents
Touch -control sound wave screen with reaction type transducer Download PDFInfo
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- CN205229311U CN205229311U CN201521015874.0U CN201521015874U CN205229311U CN 205229311 U CN205229311 U CN 205229311U CN 201521015874 U CN201521015874 U CN 201521015874U CN 205229311 U CN205229311 U CN 205229311U
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Abstract
The utility model discloses a touch -control sound wave screen with reaction type transducer, the module takes place including the sound wave, the output of sound wave emergence module passes through acoustic signals and is connected with sound wave receiving module's input, sound wave receiving module's the output and the input electric connection of transducer module, the transducer module includes sound wave input module, sound wave input module's the output and the input electric connection of sonication module, the output of transducer module and the input electric connection of controller, the output of controller respectively with the input electric connection of display module and sound wave emergence module, and the output of controller still with mobile terminal wireless connection. The utility model discloses touch -control sound wave screen with reaction type transducer through setting up the transducer module, has guaranteed the signal up to standard behind the filtering shaping, accurate signal, the precision is high, greatly increased the suitability of product.
Description
Technical field
The utility model relates to touch-control sound wave screen technical field, is specially a kind of touch-control sound wave screen with reaction type transducer.
Background technology
Acoustic touch screen is made up of touch-screen, sonic generator and sound wave receptacle, and wherein sonic generator can send a kind of high frequency sound wave and cross over screen surface, and when finger touches screen, namely the sound wave on contact is prevented from, and determines coordinate position thus.Acoustic touch screen is not by the such environmental effects such as temperature, humidity, resolution is high, there is fabulous scratch resistant property, life-span long (5,000 ten thousand non-fault), can clear bright picture quality be kept, not drift, once correct when only need install, have the 3rd axle (i.e. pressure axis) response, the most applicable public place uses.The touch screen portion of acoustic touch screen can be the glass plate of a piece of plane, sphere or cylinder, to be arranged on or before plasma display screen, this block glass plate is one block of pure tempered glass, and being different from other touch screen technology is without any pad pasting and overlayer.The upper left corner of glass screen and the lower right corner respectively secure vertically and the ultrasound transmitting transducer of horizontal direction, the upper right corner then secures two corresponding ultrasound wave receiving transducers, and four peripheries of glass screen are then carved with 45° angle by dredging the very accurate reflection strip of close spacing.
Transducer, realizing the device that electric energy, mechanical energy or the acoustic energy energy conversion from a kind of form is the energy of another kind of form, also claims active sensor.Transducer is the core devices of ultrasonic equipment, its characterisitic parameter determines the performance of whole equipment, transducer is a kind of energy conversion device, and its performance describes and evaluates needs many parameters. and the characterisitic parameter of transducer comprises resonant frequency, frequency span, electromechanical coupling factor, electroacoustic efficiency, mechanical quality factor, impedance operator, frequency characteristic, directive property, transmitting and receiving sensitivity etc. and the transducer of different purposes is different to the requirement of performance parameter.As China discloses " advertisement machine being built-in with ultrasonic transducer " (notification number: CN204117560U), this patent comprises advertisement machine main body, described advertisement machine main body comprises LCDs, the described LCDs back side is provided with computer main board, described advertisement machine body also comprises ultrasonic transmission device, described ultrasonic transmission device connects described computer main board, described ultrasonic transmission device comprises ultrasonic transducer, differential amplifier, and reference voltage generating device, described differential amplifier signal output part connects described ultrasonic transducer, described differential amplifier is provided with two signal input parts, a signal input part connects reference voltage generating device, another signal input part connects the signal output part of described computer main board.Although above-mentioned patent is by arranging differential amplifier, can play good waveform arrangement effect, ensure signal output quality, the signal after this patent can not ensure filter shape reaches standard, and accuracy is low, thus reduces the applicability of product.
Utility model content
The purpose of this utility model is to provide a kind of touch-control sound wave screen with reaction type transducer, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of touch-control sound wave screen with reaction type transducer, comprise sound wave generation module, the output terminal of described sound wave generation module is connected by the input end of acoustic signals with acoustic receiver module, the output terminal of described acoustic receiver module and the input end of transducer module are electrically connected, described transducer module comprises sound wave load module, the output terminal of described sound wave load module and the input end of sonication module are electrically connected, the output terminal of described sonication module and the input end of shaping filter module are electrically connected, the output terminal of described shaping filter module and the input end of the second detection module are electrically connected, the output terminal of described second detection module is electrically connected with the input end of the second feedback module and sound wave output module respectively, the output terminal of described second feedback module and the input end of shaping filter module are electrically connected, the output terminal of described transducer module and the input end of controller are electrically connected, the output terminal of described controller is electrically connected with the input end of display module and sound wave generation module respectively, and the output terminal of controller also with mobile terminal wireless connections, the input end of described controller is electrically connected with the output terminal of power module and touch-screen respectively.
Preferably, the output terminal of described controller and the input end of audio amplification block are electrically connected, and the input end of the output terminal of described audio amplification block and the loudspeaker of peripheral hardware is electrically connected.
Preferably, described shaping filter module comprises filtration module, waveform transformation module and differential amplifier, the output terminal of described filtration module and the input end of waveform transformation module are electrically connected, the output terminal of described waveform transformation module and the input end of differential amplifier are electrically connected, and the input end of described waveform transformation module and the output terminal of the second feedback module are electrically connected.
Preferably, described power module comprises Power Entry Module, the output terminal of described Power Entry Module and the input end of voltage changing module are electrically connected, the output terminal of described voltage changing module and the input end of first detection module are electrically connected, the output terminal of described first detection module is electrically connected with the input end of the first feedback module and power supply output module respectively, and the output terminal of described first feedback module and the input end of voltage changing module are electrically connected.
Preferably, described controller and the two-way electric connection of memory module.
Preferably, described memory module comprises interior storage and external memory, and external memory is set to SD card.
Preferably, described mobile terminal is set to computing machine or mobile phone.
Compared with prior art, the beneficial effects of the utility model are:
(1), the utility model has the touch-control sound wave screen of reaction type transducer, by arranging transducer module, and shaping filter module, the second detection module and feedback module are set in transducer module, signal after shaping filter by the second detection module after testing, qualified is exported by sound wave output module, the underproof waveform transformation module be transferred in shaping filter module by the second feedback module processes again, ensure that the signal after filter shape reaches standard, accurate signal, precision is high, considerably increases the applicability of product.
(2), the utility model has the touch-control sound wave screen of reaction type transducer; by arranging power module; and power module adopts reaction type system; ensure that the power supply of input is just in time applicable to this touch-control sound wave screen; avoid because electric current and voltage is excessive, cause touch-control sound wave to shield and damage, effectively protect touch-control sound wave screen; add the serviceable life of touch-control sound wave screen, decrease property loss.
Accompanying drawing explanation
Fig. 1 is the utility model structural principle block diagram;
Fig. 2 is the structural principle block diagram of the utility model transducer module;
Fig. 3 is the structural principle block diagram of the utility model power module.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-3, the utility model provides a kind of technical scheme: a kind of touch-control sound wave screen with reaction type transducer, comprise sound wave generation module, the output terminal of described sound wave generation module is connected by the input end of acoustic signals with acoustic receiver module, the output terminal of described acoustic receiver module and the input end of transducer module are electrically connected, described transducer module comprises sound wave load module, the output terminal of described sound wave load module and the input end of sonication module are electrically connected, the output terminal of described sonication module and the input end of shaping filter module are electrically connected, the output terminal of described shaping filter module and the input end of the second detection module are electrically connected, the output terminal of described second detection module is electrically connected with the input end of the second feedback module and sound wave output module respectively, the output terminal of described second feedback module and the input end of shaping filter module are electrically connected, shaping filter module comprises filtration module, waveform transformation module and differential amplifier, the output terminal of described filtration module and the input end of waveform transformation module are electrically connected, the output terminal of described waveform transformation module and the input end of differential amplifier are electrically connected, the input end of described waveform transformation module and the output terminal of the second feedback module are electrically connected, by arranging transducer module, and shaping filter module is set in transducer module, second detection module and feedback module, signal after shaping filter by the second detection module after testing, qualified is exported by sound wave output module, the underproof waveform transformation module be transferred in shaping filter module by the second feedback module processes again, ensure that the signal after filter shape reaches standard, accurate signal, precision is high, considerably increase the applicability of product, the output terminal of described transducer module and the input end of controller are electrically connected, the output terminal of described controller is electrically connected with the input end of display module and sound wave generation module respectively, and the output terminal of controller also with mobile terminal wireless connections, mobile terminal is set to computing machine or mobile phone, the input end of described controller is electrically connected with the output terminal of power module and touch-screen respectively, power module comprises Power Entry Module, the output terminal of described Power Entry Module and the input end of voltage changing module are electrically connected, the output terminal of described voltage changing module and the input end of first detection module are electrically connected, the output terminal of described first detection module is electrically connected with the input end of the first feedback module and power supply output module respectively, the output terminal of described first feedback module and the input end of voltage changing module are electrically connected, by arranging power module, and power module adopts reaction type system, ensure that the power supply of input is just in time applicable to this touch-control sound wave screen, avoid because electric current and voltage is excessive, cause touch-control sound wave to shield to damage, effectively protect touch-control sound wave screen, add the serviceable life of touch-control sound wave screen, decrease property loss, the output terminal of controller and the input end of audio amplification block are electrically connected, the input end of the output terminal of described audio amplification block and the loudspeaker of peripheral hardware is electrically connected, controller and the two-way electric connection of memory module, memory module comprises interior storage and external memory, and external memory is set to SD card, by arranging memory module, to receive information and preserve, facilitate follow-up searching.
During work, electric power source pair of module controller is powered, touch-screen controls controller and carries out work, under duty, sound wave generation module launches acoustic signals, and carry out reception acoustic signals by acoustic receiver module, acoustic signals after reception is processed by heat interchanger module, the filtration module that acoustic signals is transferred in transducer module in shaping filter module carries out filtering operation, signal after filtration module filtering operation carries out waveform transformation by waveform transformation module, Signal transmissions after conversion is to differential amplifier, differential amplifier suppresses the common mode of signal to be amplified and temperature drift, ensure the quality of signal, Signal transmissions after differential amplifier process detects to the second detection module, when testing result is qualified, be transferred to controller by sound wave output module to transmit, when testing result is defective, signal is transferred to waveform transformation module by the second feedback module and re-starts shaping filter work, the information being transferred to controller is transferred to loudspeaker by audio amplification block and carries out work, be transferred to display module to show, be transferred to memory module information is preserved.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (7)
1. one kind has the touch-control sound wave screen of reaction type transducer, comprise sound wave generation module, the output terminal of described sound wave generation module is connected by the input end of acoustic signals with acoustic receiver module, the output terminal of described acoustic receiver module and the input end of transducer module are electrically connected, it is characterized in that: described transducer module comprises sound wave load module, the output terminal of described sound wave load module and the input end of sonication module are electrically connected, the output terminal of described sonication module and the input end of shaping filter module are electrically connected, the output terminal of described shaping filter module and the input end of the second detection module are electrically connected, the output terminal of described second detection module is electrically connected with the input end of the second feedback module and sound wave output module respectively, the output terminal of described second feedback module and the input end of shaping filter module are electrically connected, the output terminal of described transducer module and the input end of controller are electrically connected, the output terminal of described controller is electrically connected with the input end of display module and sound wave generation module respectively, and the output terminal of controller also with mobile terminal wireless connections, the input end of described controller is electrically connected with the output terminal of power module and touch-screen respectively.
2. a kind of touch-control sound wave screen with reaction type transducer according to claim 1, it is characterized in that: the output terminal of described controller and the input end of audio amplification block are electrically connected, the input end of the output terminal of described audio amplification block and the loudspeaker of peripheral hardware is electrically connected.
3. a kind of touch-control sound wave screen with reaction type transducer according to claim 1, it is characterized in that: described shaping filter module comprises filtration module, waveform transformation module and differential amplifier, the output terminal of described filtration module and the input end of waveform transformation module are electrically connected, the output terminal of described waveform transformation module and the input end of differential amplifier are electrically connected, and the input end of described waveform transformation module and the output terminal of the second feedback module are electrically connected.
4. a kind of touch-control sound wave screen with reaction type transducer according to claim 1, it is characterized in that: described power module comprises Power Entry Module, the output terminal of described Power Entry Module and the input end of voltage changing module are electrically connected, the output terminal of described voltage changing module and the input end of first detection module are electrically connected, the output terminal of described first detection module is electrically connected with the input end of the first feedback module and power supply output module respectively, and the output terminal of described first feedback module and the input end of voltage changing module are electrically connected.
5. a kind of touch-control sound wave screen with reaction type transducer according to claim 1, is characterized in that: described controller and the two-way electric connection of memory module.
6. a kind of touch-control sound wave screen with reaction type transducer according to claim 5, it is characterized in that: described memory module comprises interior storage and external memory, and external memory is set to SD card.
7. a kind of touch-control sound wave screen with reaction type transducer according to claim 1, is characterized in that: described mobile terminal is set to computing machine or mobile phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015874.0U CN205229311U (en) | 2015-12-09 | 2015-12-09 | Touch -control sound wave screen with reaction type transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015874.0U CN205229311U (en) | 2015-12-09 | 2015-12-09 | Touch -control sound wave screen with reaction type transducer |
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| Publication Number | Publication Date |
|---|---|
| CN205229311U true CN205229311U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521015874.0U Expired - Fee Related CN205229311U (en) | 2015-12-09 | 2015-12-09 | Touch -control sound wave screen with reaction type transducer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106713847A (en) * | 2016-11-28 | 2017-05-24 | 天津商企生产力促进有限公司 | Electromechanical integrated monitor based on virtual three-dimensional static scene |
| CN106791605A (en) * | 2016-11-25 | 2017-05-31 | 天津新基斯科技有限公司 | A kind of electromechanical integration line leak detectors |
| CN108073332A (en) * | 2016-11-16 | 2018-05-25 | 艾丽西亚（天津）文化交流有限公司 | A kind of display and demonstration services sound wave screen |
-
2015
- 2015-12-09 CN CN201521015874.0U patent/CN205229311U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108073332A (en) * | 2016-11-16 | 2018-05-25 | 艾丽西亚（天津）文化交流有限公司 | A kind of display and demonstration services sound wave screen |
| CN106791605A (en) * | 2016-11-25 | 2017-05-31 | 天津新基斯科技有限公司 | A kind of electromechanical integration line leak detectors |
| CN106713847A (en) * | 2016-11-28 | 2017-05-24 | 天津商企生产力促进有限公司 | Electromechanical integrated monitor based on virtual three-dimensional static scene |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20161209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |