CN204496692U - A kind of sound wave remote controlling system - Google Patents
A kind of sound wave remote controlling system Download PDFInfo
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- CN204496692U CN204496692U CN201420850572.4U CN201420850572U CN204496692U CN 204496692 U CN204496692 U CN 204496692U CN 201420850572 U CN201420850572 U CN 201420850572U CN 204496692 U CN204496692 U CN 204496692U
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Abstract
The utility model discloses a kind of sound wave remote controlling system, wherein sound wave remote controlling system comprises sound wave controlled device and terminal; Sound wave controlled device comprises input control module and sound wave generation module, and terminal comprises sound collecting module, sound wave parsing module and functional module; Described input control module is used for user's input of control commands; Described sound wave generation module for generation of with the acoustic signals corresponding to the control command of described input control module; The acoustic signals that described sound collecting module sends for gathering described sound wave sending module; The acoustic signals that described sound wave parsing module gathers for resolving described sound collecting module, obtains corresponding control command; Described functional module for perform described sound wave parsing module resolve the steering order obtained.The utility model can realize a sound wave controlled device and control multiple different controlled terminal, and remote control distance is far away, and stand-by power consumption is low, control is accurate, discrimination is high, and structure is simple, applied range.
Description
Technical field
The utility model relates to signal control technology field, specifically refers to the vehicular sound wave remote controlling system of a kind of use sound wave.
Background technology
In the modern life, the various electrical equipment that people are used, such as TV, air-conditioning etc., all realize controlled in wireless based on remote control, thus can realize the management and to electrical equipment when not needing user to walk about.
Disclose in prior art " a kind of sound wave remote controlling circuit and intelligent appliance telechirics ", see that notification number is: CN203706412U, the day for announcing be 20140709 Chinese utility model patent, the sound wave remote controlling circuit described, comprises control module, D/A converter module, sound wave sending module, acoustic receiver module, analog-to-digital conversion module and display module.The sound wave that this documents sends is that digital signal control module sent is converted to simulating signal, drive sound wave sending module to produce sound wave launching again, and receive that sound wave also needs first could by control module identification after analog-to-digital conversion module is changed by the sound wave of reception.Therefore documents required device is more, and consumed power is large, complex structure, and its acoustic signals is complicated, identifies that difficulty is large, causes control accuracy low.
Utility model content
For the technical matters existing for prior art, the utility model provides a kind of sound wave remote controlling system, and a controller can control multiple different controlled terminal, and remote control distance is far away, stand-by power consumption is low, control is accurate, discrimination is high, and structure is simple, applied range.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme:
A kind of sound wave remote controlling system, comprises sound wave controlled device and terminal; Described sound wave controlled device comprises input control module and sound wave generation module, and described terminal comprises sound collecting module, sound wave parsing module and functional module; Described input control module is used for user's input of control commands; Described sound wave generation module for generation of with the acoustic signals corresponding to the control command of described input control module; The acoustic signals that described sound collecting module sends for gathering described sound wave sending module; The acoustic signals that described sound wave parsing module gathers for resolving described sound collecting module, obtains corresponding control command; Described functional module for perform described sound wave parsing module resolve the steering order obtained.
More preferably, described sound wave generation module comprises oscillator, microprocessor and hummer; Described oscillator provides benchmark job frequency for described microprocessor, described microprocessor is used for the digital signal producing different frequency according to the input of described input control module, and described hummer produces acoustic signals for the digital signal produced according to described microprocessor.
More preferably, described sound wave generation module also comprises signal amplification circuit, for amplifying the digital signal that microprocessor produces for the described hummer of driving.
More preferably, described sound wave parsing module comprises sound wave identification module and processing module, described sound wave identification module is for identifying acoustic signals and filtering clutter signal, and described processing module draws and the control command corresponding to effective acoustic signals that described sound wave identification module identifies for judging.
More preferably, described input control module is be placed in the control button on described sound wave controlled device.
More preferably, described sound collecting module is be placed in the microphone in described terminal.
Compared with prior art, the beneficial effects of the utility model are: adopt sound wave as the controller of medium, there is very long operating distance, straight line operating distance can reach 40m, and acoustic wave diffraction ability is strong, even if there is barrier centre, also accurate control can be realized, discrimination is high, there is the control characteristic of one-to-many, there is very low stand-by power consumption (<1uA) and operating power consumption (<5mA) simultaneously, also can long-term work even if adopt button cell to power, only can need be exported by CE certification; Its structure is simple in addition, does not need through digital-to-analog conversion, and the acoustic signals frequency that hummer occurs is single, therefore high, the applied range of control accuracy.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present utility model;
Fig. 2 is the structured flowchart of sound wave controlled device of the present utility model;
Fig. 3 is the signal flow graph of sound wave parsing module of the present utility model.
Reference numeral: sound wave controlled device 1, input control module 11, sound wave generation module 12, microprocessor 121, oscillator 122, amplifying circuit 123, hummer 124, terminal 2, sound collecting module 21, sound wave parsing module 22, sound wave identification module 221, processing module 222, functional module 23.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, 2, the utility model provides a kind of sound wave remote controlling system, comprises sound wave controlled device 1 and terminal 2.Sound wave controlled device 1 provides remote control device for user, comprise input control module 11 and sound wave generation module 12: input control module 11 provides input of control commands to the interaction end of sound wave controlled device for user, input control module 11 adopts and controls button in the present embodiment, certainly also can be other input modes such as rotary knob, touch-screen; Sound wave generation module 12 controls button according to pressed difference, produces acoustic signals corresponding with it.Terminal 2 can be electrical equipment or other intelligent terminals, such as TV, computer etc., and it comprises sound collecting module 21, sound wave parsing module 22 and functional module 23.The acoustic signals that sound collecting module 21 sends for gathering sound wave sending module, in the present embodiment, sound collecting module 21 adopts the microphone be placed in terminal 2; The acoustic signals that sound wave parsing module 22 gathers for resolving sound collecting module 21, obtains corresponding control command; Functional module 23 for perform sound wave parsing module 22 resolve the steering order obtained, complete the function of remote terminal.When user press certain control button time, sound wave generation module 12 detects and to detect it and to produce acoustic signals, for different actuation of keys, produces different acoustic signals; After sound collecting module 21 collects acoustic signals, give sound wave parsing module 22 and process, resolve and obtain this acoustic signals is corresponding has in which button for what action, then give the control of functional module 23 practical function.Because adopting sound wave as medium, all terminals 2 in the range of control of therefore this sound wave controlled device 1 can be controlled, and realize the control mode that single sound wave controlled device 1 can control multiple terminal 2 thus.
Further, as shown in Figure 2, sound wave generation module 12 comprises oscillator 122, microprocessor 121 and hummer 124; Oscillator 122 provides benchmark job frequency for microprocessor 121, microprocessor 121 is for producing the digital signal of different frequency according to the input of input control module 11, hummer 124 produces acoustic signals for the digital signal produced according to microprocessor 121.Adopt the direct output digit signals of microprocessor 121 to send acoustic signals to drive hummer 124, circuit structure is simple, and the acoustic signals frequency of generation is simple, and be easy to identify, control accuracy is high.
Further, as shown in Figure 2, sound wave generation module 12 also comprises signal amplification circuit 123, for amplifying the digital signal that microprocessor 121 produces, thus drives hummer 124 to send acoustic signals.Sound wave amplifying circuit 123 can regulate enlargement factor according to actual needs, thus makes the acoustic signals of generation reach the range of control of required power consumption or sound wave controlled device 1.
Further, as shown in Figure 3, sound wave parsing module 22 comprises sound wave identification module 221 and processing module 222, sound wave identification module 221 is for identifying acoustic signals and filtering clutter signal, and processing module 222 is for judging to draw the control command corresponding to effective acoustic signals of identifying with sound wave identification module 221.Generally all be mingled with different noise signals existing in various air in the acoustic signals that sound collecting module 21 receives, the acoustic signals that the actuation of keys with user matches identifies by sound wave identification module 221, and by remaining noise signal filtering; Processing module 222 is by acoustic signals and the predefined signal contrast after identifying, the signal that judgement receives is the acoustic signals corresponding to which kind of actuation of keys, and controls different functional modules 23 and realize controlling functions.
The utility model also provides a kind of sound wave remote controlling method, comprise the following steps: step one, user input sound wave order by input control module 11 on sound wave controlled device 1, and order is sent to sound wave generation module 12, the order that sound wave generation module 12 on sound wave controlled device 1 inputs according to input control module 11, produces corresponding acoustic signals and sends to sound collecting module 21; Step 2, sound collecting module 21 gather the acoustic signals that sound wave generation module 12 sends; Signal is sent to sound wave parsing module 22, sound wave parsing module 22 resolves the acoustic signals that sound collecting module 21 gathers, and obtains corresponding control command and sends control command to functional module 23; Functional module 23 receives and performs control command.
The process that sound wave parsing module 22 resolves acoustic signals comprises the following steps: sound wave identification module 221 scans microphone, and extracts the sound characteristic of acoustic signals; The sound characteristic of extraction is carried out mating with the sound characteristic of multiple different templates and contrasts; If the sound characteristic of the sound extracted and wherein any one template matches, then send processing module 222 to, if the sound extracted all does not mate with the sound characteristic of whole template, then return acoustic receiver module and continue scanning acoustic signals; Processing module 222 determines corresponding steering order according to the sound characteristic extracted.More preferably, in the present embodiment, the sound characteristic extracting acoustic signals adopts noise reduction recognizer.This kind of sound wave analytic method first identifies with the interference of filtering clutter to effective acoustic signals to acoustic signals, thus improves the accuracy of sound wave controlled; And noise reduction recognizer can carry out adjustment setting further, thus reach very high sensitivity and discrimination.
When certain control button is pressed, sound wave generation module 12 produces an acoustic signals, this acoustic signals is lead code and identification code composition, wherein the frequency of lead code is 4KHz, amplitude is 20Vp-p, length is 60mS, and identification code is frequency 16kHz, amplitude 8.4Vp-p, length is 480mS, and this acoustic signals sends through hummer 124.And sound collecting module 2121 receives this acoustic signals, also receive the noise signal in air simultaneously, thus the acoustic signals of mixing is extracted effective acoustic signals by sound wave identification module 221, then processing module 222 judges the control button corresponding to this acoustic signals again, and last controlling functions module 23 completes control action.This sound wave controlled device 1 for different clients, different environments for use, can design different acoustic signals and controls, therefore have very strong range of application.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claim.
Claims (6)
1. a sound wave remote controlling system, is characterized in that: comprise sound wave controlled device and terminal;
Described sound wave controlled device comprises input control module and sound wave generation module, and described terminal comprises sound collecting module, sound wave parsing module and functional module;
Described input control module is used for user's input of control commands;
Described sound wave generation module for generation of with the acoustic signals corresponding to the control command of described input control module;
The acoustic signals that described sound collecting module sends for gathering described sound wave sending module;
The acoustic signals that described sound wave parsing module gathers for resolving described sound collecting module, obtains corresponding control command;
Described functional module for perform described sound wave parsing module resolve the steering order obtained.
2. sound wave remote controlling system according to claim 1, is characterized in that: described sound wave generation module comprises oscillator, microprocessor and hummer; Described oscillator provides benchmark job frequency for described microprocessor, described microprocessor is used for the digital signal producing different frequency according to the input of described input control module, and described hummer produces acoustic signals for the digital signal produced according to described microprocessor.
3. sound wave remote controlling system according to claim 2, is characterized in that: described sound wave generation module also comprises signal amplification circuit, for amplifying the digital signal that microprocessor produces for the described hummer of driving.
4. sound wave remote controlling system according to claim 1, it is characterized in that: described sound wave parsing module comprises sound wave identification module and processing module, described sound wave identification module is for identifying acoustic signals and filtering clutter signal, and described processing module draws and the control command corresponding to effective acoustic signals that described sound wave identification module identifies for judging.
5. sound wave remote controlling system according to claim 1, is characterized in that: described input control module is be placed in the control button on described sound wave controlled device.
6. sound wave remote controlling system according to claim 1, is characterized in that: described sound collecting module is be placed in the microphone in described terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420850572.4U CN204496692U (en) | 2014-12-29 | 2014-12-29 | A kind of sound wave remote controlling system |
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| CN201420850572.4U CN204496692U (en) | 2014-12-29 | 2014-12-29 | A kind of sound wave remote controlling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766462A (en) * | 2014-12-29 | 2015-07-08 | 深圳市欧润特科技有限公司 | Sound wave remote control system and sound wave remote control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104766462A (en) * | 2014-12-29 | 2015-07-08 | 深圳市欧润特科技有限公司 | Sound wave remote control system and sound wave remote control method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20191229 |