CN204313580U - Based on the intelligent refrigerator control system of signer-independent sign language recognition - Google Patents
Based on the intelligent refrigerator control system of signer-independent sign language recognition Download PDFInfo
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- CN204313580U CN204313580U CN201420706186.8U CN201420706186U CN204313580U CN 204313580 U CN204313580 U CN 204313580U CN 201420706186 U CN201420706186 U CN 201420706186U CN 204313580 U CN204313580 U CN 204313580U
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Abstract
The utility model provides a kind of intelligent refrigerator control system based on signer-independent sign language recognition, comprise the MCU control module that each several part circuit of whole refrigerator controller is controlled, also comprise power module and signer-independent sign language recognition module, described power module is located on described refrigerator, described power module is connected to described MCU control module and signer-independent sign language recognition module and provides required power supply for it, described signer-independent sign language recognition Module recognition phonetic control command also produces corresponding control signal, described MCU control module is connected to described signer-independent sign language recognition module, this MCU control module receives the recognition result of signer-independent sign language recognition module and controls refrigerator each several part circuit.The utility model can make unspecified person can carry out accurately controlling in real time to refrigerator by voice signal, and system works is stablized.
Description
Technical field
The utility model belongs to intelligent refrigerator control field, is specifically related to a kind of intelligent refrigerator control system based on signer-independent sign language recognition.
Background technology
Interactive voice is Human communication and exchange information means the most easily.For a long time, people wish that machinery equipment " can understand " voice messaging of the mankind always, identify its implication and make response.
Speech recognition technology is exactly allow machine, by identification and understanding process, voice signal is changed into the technology of corresponding text or order.This kind identifies to be mainly object with voice signal, relates to a lot of ambit such as computer science, psychology, linguistics, signal transacting.Speech recognition system mainly comprises several essential parts such as phonetic entry, feature extraction, pronunciation modeling, pattern match.The essence of speech recognition can be summed up as the process of pattern match and pattern-recognition, is generally divided into two steps: the first step is system " training " or " study ", sets up the language model of syntax analysis exactly and sets up the acoustic model etc. of recognition unit; Second step is exactly voice " identification " and test phase, according to the corresponding algorithm of the Model Selection of existing system, adopts speech analysis method to extract the characteristic parameter required, then carries out corresponding comparison to system model, draw recognition result by judgement.
Speech recognition is divided into particular person speech recognition and signer-independent sign language recognition, and particular person speech recognition technology is the recognition technology for " specific people ", can only identify the sound of a people in simple terms exactly, is not suitable for colony widely; Signer-independent sign language recognition technology then can meet the speech recognition requirement of different people, is applicable to crowd's application more widely.In recent years, the realization of signer-independent sign language recognition chip makes to control easy, flexible based on the human interface device of signer-independent sign language recognition, by register in microprocessor programming Control chip, can reach the object of signer-independent sign language recognition.
Refrigerator of the prior art, when doing washing or operate refrigerator in other situations, first wanting turn knobs or depresses button, producing a digital signal transfers to controlling mainboard by the action of knob or button, output signal after controlling the corresponding program process of mainboard, complete the corresponding operating of refrigerator.But during operation refrigerator, operator needs station to operate in front of refrigerator, must interrupt other thing, use inconvenience.
Utility model content
In view of this, the utility model provides a kind of intelligent refrigerator control system based on signer-independent sign language recognition, and this system can carry out in real time Voice command accurately to refrigerator system.
To achieve these goals, the technical solution of the utility model is as follows:
The embodiment of the present application discloses a kind of intelligent refrigerator control system based on signer-independent sign language recognition, comprise the MCU control module that each several part circuit of whole refrigerator controller is controlled, also comprise power module and signer-independent sign language recognition module, described power module is located on described refrigerator, described power module is connected to described MCU control module and signer-independent sign language recognition module and provides required power supply for it, described signer-independent sign language recognition Module recognition phonetic control command also produces corresponding control signal, described MCU control module is connected to described signer-independent sign language recognition module, this MCU control module receives the recognition result of signer-independent sign language recognition module and controls refrigerator each several part circuit, described each several part circuit comprises constant current source driving circuit, the output of this constant current source driving circuit is connected to the LED light source body in refrigerator and controls light on and off and the brightness regulation of LED light source body, described LED light source body comprises refrigerating chamber LED light source body and refrigerating chamber LED light source body.
Preferably, in above-mentioned signer-independent sign language recognition intelligent refrigerator control system, the each several part circuit of described whole refrigerator controller also comprises power switch circuit, timing control circuit, temperature-control circuit, cold sotrage door on-off circuit, door of refrigerator on-off circuit, described power switch circuit controls the access of outside civil power, described temperature-control circuit controls the temperature in refrigerating chamber or refrigerating chamber, described cold sotrage door on-off circuit controls the open and close of cold sotrage door, and described door of refrigerator on-off circuit controls the open and close of door of refrigerator.
Preferably, in above-mentioned signer-independent sign language recognition intelligent refrigerator control system, the voltage that described power module comprises 3.3V, 5.0V exports, and wherein, 3.3V and 5V adopts LM2596-3.3 chip and LM2596-5 chip to realize respectively.
Preferably, in above-mentioned signer-independent sign language recognition intelligent refrigerator control system, described signer-independent sign language recognition module comprises signer-independent sign language recognition integrated chip, microphone interface and voice output interface, and described signer-independent sign language recognition integrated chip is LD3320.
Preferably, in above-mentioned signer-independent sign language recognition intelligent refrigerator control system, described signer-independent sign language recognition module comprises speech recognition button.
Preferably, in above-mentioned signer-independent sign language recognition intelligent refrigerator control system, described MCU control module adopts STC10L08XE microprocessor.
Compared with prior art, the utility model is based on the intelligent refrigerator control system of signer-independent sign language recognition, in sound identification module, write controls keyword in advance, after the voice signal identification that system is inputted user by microphone and the control keyword write in advance in lists carry out matching judgment, find out the highest keyword of score to export as recognition result, this kind of control mode makes user can carry out in real time Voice command accurately to refrigerator system quickly and easily.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, the accompanying drawing that the following describes is only some embodiments recorded in the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Figure 1 shows that the block diagram based on signer-independent sign language recognition intelligent refrigerator control system in the utility model specific embodiment;
Figure 2 shows that the physical circuit figure based on signer-independent sign language recognition intelligent refrigerator control system in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be described in detail 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, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Figure 1 shows that the block diagram based on signer-independent sign language recognition intelligent refrigerator control system in the utility model specific embodiment.
In Fig. 1, signer-independent sign language recognition intelligent refrigerator control system 10 comprises power module 11, signer-independent sign language recognition module 12, MCU control module 13, control circuit 14.
Power module 11 is powered for sound identification module 12 and MCU control module 13, and sound identification module 12 and MCU control module 13 are carried out control mode and identified that output information is mutual, and MCU module 13 controls each several part circuit of whole refrigerator controller.
This place's each several part circuit comprises constant current source driving circuit, power switch circuit, timing control circuit, temperature-control circuit, cold sotrage door on-off circuit, door of refrigerator on-off circuit.Wherein, the output of this constant current source driving circuit is connected to the LED light source body in refrigerator and controls light on and off and the brightness regulation of LED light source body, and LED light source body comprises refrigerating chamber LED light source body and refrigerating chamber LED light source body.Constant-current driven module adopts the high-power constant-current drive circuit based on RT8482 chip.
Power switch circuit controls the access of outside civil power, and described temperature-control circuit controls the temperature in refrigerating chamber or refrigerating chamber, and described cold sotrage door on-off circuit controls the open and close of cold sotrage door, and described door of refrigerator on-off circuit controls the open and close of door of refrigerator.
After carrying out identifying processing based on signer-independent sign language recognition intelligent refrigerator control system 10 by the voice input signal of sound identification module 12 couples of users, the control command of user is transferred to MCU module 13, controlled the specific works mode of each circuit by MCU module 13, then control the mode of operation of refrigerator.
Figure 2 shows that the physical circuit figure of signer-independent sign language recognition intelligent refrigerator control system in Fig. 1.
Power module 11 exports 5V, 3.3V voltage, and wherein 3.3V voltage is that sound identification module 12 is powered, and 5V voltage is that MCU control module 13 is powered.3.3V and 5.0V voltage generation circuit is formed primarily of integrated chip LM2596-3.3 and LM2596-5.
Sound identification module 12 is formed primarily of signer-independent sign language recognition integrated chip, microphone interface 121, voice output interface 122, and the integrated chip in sound identification module 12 preferably adopts LD3320.Speech recognition mode can take button to trigger recognition mode, and arrange a speech recognition and to press switch to open speech recognition, user's one-touch starts an automatic speech recognition process; Also can adopt circulation recognition mode, system is in the opening of waiting voice input signal always, identifies interruption, read recognition result immediately, be disposed and start identification process next time immediately once have.
In this application scenarios, the lists of keywords of adding in advance is needed to comprise: cold sotrage door is opened, cold sotrage door is closed, door of refrigerator is opened, door of refrigerator is closed, refrigerating chamber is turned on light, refrigerating chamber is turned off the light, refrigerating chamber is turned on light, refrigerating chamber is turned off the light, temperature of refrigerating chamber sets, freezer temperature setting etc.After system electrification, MCU control module 13 pairs of speech chips initialize, and add keyword, opening microphone can start speech recognition, no matter whether identifies correct result, all by generation one output signal.
MCU control module 13 controls the mode of operation of sound identification module 12, and receives its recognition result, then controls the working method of refrigerator.
MCU control module can comprise microprocessor (MCU), this MCU can comprise CPU (Central Processing Unit, CPU), read-only memory module (read-only memory, ROM), random memory module (random access memory, RAM), time block, digital-to-analogue conversion module (A/D converter) and plural I/O port.Certainly, MCU module also can adopt the integrated circuit of other form, as: application-specific IC (Application Specific Integrated Circuit, ASIC) or field programmable gate arrays (Field Programmable Gate Array, FPGA) etc.MCU control module preferably adopts STC10L08XE microprocessor.
The each several part circuit of whole refrigerator controller comprises power switch circuit, and described power switch circuit controls the access of outside civil power.
As is well known in the art, power switch circuit can comprise the common switch form such as triode, controllable silicon, relay switch or metal oxide semiconductor field effect tube (Metallic Oxide Semiconductor Field Effect transistor, MOSFET).
Signer-independent sign language recognition intelligent refrigerator control system of the present utility model, unspecified person can be made can to carry out accurately controlling in real time to refrigerator by voice signal, and system works is stablized.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the detailed description of the invention of the application; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the application's principle; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of the application.
Claims (6)
1. the intelligent refrigerator control system based on signer-independent sign language recognition, comprise the MCU control module that each several part circuit of whole refrigerator controller is controlled, it is characterized in that, also comprise power module and signer-independent sign language recognition module, described power module is located on described refrigerator, described power module is connected to described MCU control module and signer-independent sign language recognition module and provides required power supply for it, described signer-independent sign language recognition Module recognition phonetic control command also produces corresponding control signal, described MCU control module is connected to described signer-independent sign language recognition module, this MCU control module receives the recognition result of signer-independent sign language recognition module and controls refrigerator each several part circuit, described each several part circuit comprises constant current source driving circuit, the output of this constant current source driving circuit is connected to the LED light source body in refrigerator and controls light on and off and the brightness regulation of LED light source body, described LED light source body comprises refrigerating chamber LED light source body and refrigerating chamber LED light source body.
2. signer-independent sign language recognition intelligent refrigerator control system according to claim 1, it is characterized in that: each several part circuit of described whole refrigerator controller also comprises power switch circuit, timing control circuit, temperature-control circuit, cold sotrage door on-off circuit, door of refrigerator on-off circuit, described power switch circuit controls the access of outside civil power, described temperature-control circuit controls the temperature in refrigerating chamber or refrigerating chamber, described cold sotrage door on-off circuit controls the open and close of cold sotrage door, and described door of refrigerator on-off circuit controls the open and close of door of refrigerator.
3. signer-independent sign language recognition intelligent refrigerator control system according to claim 1, is characterized in that: the voltage that described power module comprises 3.3V, 5.0V exports, and wherein, 3.3V and 5V adopts LM2596-3.3 chip and LM2596-5 chip to realize respectively.
4. signer-independent sign language recognition intelligent refrigerator control system according to claim 1, it is characterized in that: described signer-independent sign language recognition module comprises signer-independent sign language recognition integrated chip, microphone interface and voice output interface, described signer-independent sign language recognition integrated chip is LD3320.
5. signer-independent sign language recognition intelligent refrigerator control system according to claim 4, is characterized in that: described signer-independent sign language recognition module comprises speech recognition button.
6. the intelligent refrigerator control system of signer-independent sign language recognition according to claim 1, is characterized in that: described MCU control module adopts STC10L08XE microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706186.8U CN204313580U (en) | 2014-11-21 | 2014-11-21 | Based on the intelligent refrigerator control system of signer-independent sign language recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420706186.8U CN204313580U (en) | 2014-11-21 | 2014-11-21 | Based on the intelligent refrigerator control system of signer-independent sign language recognition |
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| CN204313580U true CN204313580U (en) | 2015-05-06 |
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| CN201420706186.8U Expired - Fee Related CN204313580U (en) | 2014-11-21 | 2014-11-21 | Based on the intelligent refrigerator control system of signer-independent sign language recognition |
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- 2014-11-21 CN CN201420706186.8U patent/CN204313580U/en not_active Expired - Fee Related
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| C14 | Grant of patent or utility model | ||
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Address after: 215000 No. 111 Kangyuan Road, Xiangcheng Economic Development Zone, Suzhou City, Jiangsu Province Co-patentee after: SOOCHOW University Patentee after: JIANGSU SIMAND ELECTRIC APPLIANCE Co.,Ltd. Address before: 215131 No. 111 Kangyuan Road, Xiangcheng District, Suzhou City, Jiangsu Province Co-patentee before: Soochow University Patentee before: JIANGSU XIN AN ELECTRIC APPLIANCE Co.,Ltd. |
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Effective date of registration: 20220110 Address after: 215000 No. 111 Kangyuan Road, Xiangcheng Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: JIANGSU SIMAND ELECTRIC APPLIANCE Co.,Ltd. Address before: 215000 No. 111 Kangyuan Road, Xiangcheng Economic Development Zone, Suzhou City, Jiangsu Province Patentee before: JIANGSU SIMAND ELECTRIC APPLIANCE Co.,Ltd. Patentee before: Soochow University |
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| 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: 20150506 |