CN204576660U - A kind of dining room machine for punching the card based on voice recognition - Google Patents
A kind of dining room machine for punching the card based on voice recognition Download PDFInfo
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- CN204576660U CN204576660U CN201520293800.7U CN201520293800U CN204576660U CN 204576660 U CN204576660 U CN 204576660U CN 201520293800 U CN201520293800 U CN 201520293800U CN 204576660 U CN204576660 U CN 204576660U
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Abstract
A kind of dining room machine for punching the card based on voice recognition, a kind of dining room machine for punching the card based on voice recognition, comprise microcontroller, the input port of microcontroller connects radio-frequency card module, keyboard input module, sound collection identification module, memory module, power module respectively, the delivery outlet of microcontroller connects hummer, display module respectively, and the input port of microcontroller is connected with communication module respectively with delivery outlet; Described power module comprises power supply and voltage-stabilized power supply circuit, and power supply connects voltage-stabilized power supply circuit, and voltage-stabilized power supply circuit connects microcontroller.The utility model can be presented in machine for punching the card by the spending amount rapidly this student while student selects dish, do not need dining room staff calculate while buying dish this student beat the total charge of dish, also eliminate student and wait for that total charge is input to the time in machine for punching the card by dining room staff.
Description
Technical field
The utility model relates to electronic technology field, is specifically related to a kind of dining room machine for punching the card based on voice recognition.
Background technology
Dining room is provided at the enterprises and institutions such as office, school, factories and miness, and for supplying the place that its interior employee, student etc. have dinner, an indispensable part in Ye Shi unit, enterprise, launches explanation for school lunch service here.School is the most concentrated place of student group, and the existence of school lunch service also brings many convenience to student.Present has dinner dining room in operation process, major part adopts card-punching system to carry out the clearing of expense, not only eliminate the cash small change process of having dinner in process in dining room, the problem such as simultaneously it also avoid the loss of coin in the process of circulation, counterfeit money, spend money, human and material resources, financial resources in links such as eliminating the exchange of cash, steam again, check, take care of, and reduce the probability of courses of infection in small change link.
Present dining room card-punching system is primarily of compositions such as computer, machine for punching the card, network collection device, IC-card sheet, printers.Each dining room is furnished with multiple stage machine for punching the card, and dining room only needs a computing machine to come to complete with these machine for punching the card to communicate.When having dinner, students' union goes to buy dish to the window oneself liked, dining room staff food species selected by student and component will calculate the consumption of this student, then the corresponding amount of money is pressed out by the digital keys in machine for punching the card, meanwhile, the information of deducting money in machine for punching the card is rapidly to machine room computing machine and sends instruction, card is placed in machine for punching the card by student, radio-frequency card will read the essential information (student number, card number, amount of money etc.) on card, and information is sent to legitimacy computing machine being determined card.If this card belongs to illegal state (reporting the loss), machine for punching the card will sound the alarm; If card belongs to normal condition, then can recall database according to the card number of this card, and judge that on this card card, whether remaining sum is enough, if enough, then according to the deduction information of the staff received before, instruction can be sent rapidly and deduct the corresponding amount of money, and within the extremely short time, remaining sum on card is presented in the OLED display screen of machine for punching the card, simultaneously the amount of money of more new database, finally logs off.
But in the operation process of this system, there is following problem.In the peak period that student finishes class, when Relatively centralized mealtime, the stream of people of queuing is too much long, the kind of each window dish and the price of dish all different, now, the staff in dining room must calculate rapidly again the food price selected by student at short notice.Because people is in extremely busy state, there will be the situation of calculation of price mistake unavoidably, and dining room staff for after student bought dish, also need to press out rapidly the corresponding amount of money in machine for punching the card, not only increase the burden of staff, also delay the quality time of queuing student simultaneously.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, a kind of dining room machine for punching the card based on voice recognition is provided, the characteristic information extracting sound identifies sound, when ordering dishes in dining room, the price of the dish that student orders is calculated according to the order dishes name of the dish sound that sends of student, the total charge of ordering dishes the most at last is shown in machine for punching the card, and then student is by mess card near machine for punching the card, and the machine for punching the card corresponding information read on card in dining room is deducted the corresponding amount of money and paid.If this card information is illegal, then machine for punching the card can sound the alarm at once, and shows illegal reason on a display screen; If Sorry, your ticket has not enough value for this card, then on a display screen can Sorry, your ticket has not enough value on cue card and have and send the auditory tone cues that Sorry, your ticket has not enough value; If this card remaining sum is enough, then can deduct the consumption total charge of this student, the database simultaneously in update server also keeps, the step that this completes once orders dishes swipes the card, do not need dining room staff to carry out too much operation, saved the time, eliminate complicated process.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of dining room machine for punching the card based on voice recognition, a kind of dining room machine for punching the card based on voice recognition, comprise microcontroller, the input port of microcontroller connects radio-frequency card module, keyboard input module, sound collection identification module, memory module, power module respectively, the delivery outlet of microcontroller connects hummer, display module respectively, and the input port of microcontroller is connected with communication module respectively with delivery outlet; Described power module comprises power supply and voltage-stabilized power supply circuit, and power supply connects voltage-stabilized power supply circuit, and voltage-stabilized power supply circuit connects microcontroller.
The single-chip microcomputer of described microcontroller to be model be ATmega16, the model of radio-frequency card module is YW-201, and key load module adopts TM1638 chip, and sound collection identification module is LD3320 voice recognition chip, memory module is EPROM 2732 storer, and communication module adopts RS-485.
Described hummer is passive hummer, and display screen is OLED display screen.
Described voltage-stabilized power supply circuit adopts LM7805 voltage stabilizer, and voltage stabilizing diode VD1 is serially connected with No. 2, LM7805 voltage stabilizer between pin and ground.
Adopt said apparatus, the utility model can be presented in machine for punching the card by the spending amount rapidly this student while student selects dish, do not need dining room staff calculate while buying dish this student beat the total charge of dish, also eliminate student and wait for that total charge is input to the time in machine for punching the card by dining room staff.So not only save the time that student waits in line, and also mitigated the working strength of dining room staff, meanwhile, decreased dining room and occur that people is full, crowded phenomenon of queuing up.The utility model not only may be used for school lunch service, also may be used for the places such as all kinds of large small-sized restaurants.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is speech recognition block diagram.
Fig. 3 is process flow diagram of swiping the card.
Fig. 4 is speech recognition circuit.
Fig. 5 is single chip circuit.
Fig. 6 is voltage-stabilized power supply circuit.
Fig. 7 is memory circuitry.
In figure: microcontroller 1, radio-frequency card module 2, input through keyboard module 3, sound collection identification module 4, memory module 5, communication module 6, hummer 7, display module 8, power module 9.
Embodiment
As shown in Figure 1, a kind of dining room machine for punching the card based on voice recognition, comprise microcontroller 1, it is characterized in that: the input port of microcontroller 1 connects radio-frequency card module 2, keyboard input module 3, sound collection identification module 4, memory module 5, power module 9 respectively, the delivery outlet of microcontroller 1 connects hummer 7, display module 8 respectively, and the input port of microcontroller 1 is connected with communication module 6 respectively with delivery outlet; Described power module comprises power supply and voltage-stabilized power supply circuit, and power supply connects voltage-stabilized power supply circuit, and voltage-stabilized power supply circuit connects microcontroller 1.
Described microcontroller 1 for model be the single-chip microcomputer of ATmega16, the model of radio-frequency card module 2 is YW-201, and key load module 3 adopts TM1638 chip, and sound collection identification module 4 is LD3320 voice recognition chip, memory module 5 is EPROM 2732 storer, and communication module 6 adopts RS-485.
Described hummer 7 is passive hummer, and display screen 8 is OLED display screen.
Described voltage-stabilized power supply circuit adopts LM7805 voltage stabilizer, and voltage stabilizing diode VD1 is serially connected with No. 2, LM7805 voltage stabilizer between pin and ground.
Radio-frequency card adopts YW-201 module, and it can be embedded in sorts of systems easily, and has voltage protection stabilizing circuit in module.Input through keyboard adopts TM1638, and only need three lines just can be connected with single-chip microcomputer, the single-chip processor i/o mouth resource taken is few, and signal wiring is simple.Display screen adopts OLED display screen, and hummer adopts passive hummer, and communication module adopts RS-485, has very strong antijamming capability.
As shown in Figure 2, speech recognition mainly comprises two stages: training stage and cognitive phase.First the voice signal of all names of the dish in dining room is processed, because voice signal is a kind of typical non-stationary signal, add that the interference of external noise in addition makes voice signal can not be directly used in the extraction of characteristic parameter, need to process original signal, filter out wherein unessential information and ground unrest.Sound by speech processes is used for acoustics and calculates by next step, and carries out the calculating of feature, extracts the some parameters reflecting phonetic feature in voice signal.And then train the voice of input, after pre-service and feature extraction, the entry for each dish obtains a character vector, saves as a template, thus the feature templates storehouse of dish.Next step is exactly cognitive phase, the name of the dish signal sent when student being ordered dishes is gathered by the sound collection identification circuit module in the structure drawing of device of Fig. 2, by the process of ATmega8 single-chip microcomputer, carry out similarity measurement with reference template to compare, find out an optimum template of mating with input speech signal, the dish valency that last basis is stored in corresponding to the name of the dish in machine for punching the card calculates, and final price being presented on the display in the structure drawing of device of Fig. 2, student only needs top for mess card just completing once to conclude the business.
As shown in Figure 3, for process flow diagram of swiping the card, student is when having dinner to dining room, the sound of the name of the dish of ordering dishes sent when ordering dishes according to student, by the identification of the speech recognition circuit in Fig. 2 structure drawing of device, the total charge of ordering dishes is shown in machine for punching the card, then student by mess card near machine for punching the card, dining room machine for punching the card reads the corresponding information on card and sends to server, if this card information is illegal, then by the buzzer warning in the structure drawing of device of Fig. 2, and illegal reason can be shown on a display screen; If Sorry, your ticket has not enough value for this card, then on a display screen can Sorry, your ticket has not enough value on cue card and send by the hummer in the structure drawing of device of Fig. 2 the sound that Sorry, your ticket has not enough value; If this card remaining sum is enough, then can deduct the consumption total charge of this student, the database simultaneously in update server also keeps, the step that this completes once orders dishes swipes the card.
As shown in Figure 4, for speech recognition circuit, voice recognition chip adopts LD3320, its inside is integrated with the optimized algorithm of fast and stable, have employed ASR technology, user only needs the keyword identifying to enter chip with the form transmission of character string, can come into force in identifying next time, and this chip can complete the speech recognition of unspecified person fast, wherein CF1 is the auxiliary circuit of microphone bias, its RC circuit can ensure that output floating voltage is to microphone, CF5 is horn volume external control circuit, R1 and R2 resistance in figure is respectively 10K and 40K, the multiple that so sound is exaggerated is 40/10=4 times.Its output port P00, P01, P02, P03, P04, P05, P06, P07 are connected with P00, P01, P02, P03, P04, P05, P06, P07 port of single chip computer AT mega16 respectively.
As shown in Figure 5, be single chip circuit, single-chip microcomputer adopts ATmega16 single-chip microcomputer, and it has 32 programmable I/O mouths, and processing speed is fast, low in energy consumption, has very high cost performance.
As shown in Figure 6, being voltage-stabilized power supply circuit, in order to keep the voltage stabilization provided, adopting LM7805 voltage stabilizer.C1 and C2 is input end and output terminal filter capacitor; voltage stabilizing diode VD1 is serially connected between LM7805 voltage stabilizer 2 pin and ground; suitably improve output voltage; VD2 is output protection diode; once voltage lower than VD1 voltage stabilizing value; VD2 conducting, by output current bypass, protection LM7805 voltage stabilizer is not damaged.
As shown in Figure 7, to be memory circuitry figure, the 74LS373 in circuit be 8D latch that band Three-State exports, the capacity of EPROM 2732 is 4K × 8, and 2732 adopt single 5V to power, and maximum static working current is 100mA, and maintenance electric current is 35mA.Even if memory circuit is when the unexpected power-off in dining room, data also can not be lost suddenly.Its output port P10, P11, P12, P13, P14, P15, P16, P17, P20, P21, P22, P23 are connected with P10, P11, P12, P13, P14, P15, P16, P17, P20, P21, P22, P23 port of single chip computer AT mega16 respectively.
Need during use to add up the kind of dining room Chinese food, and to be distinguished between similar name of the dish, then name of the dish can be sent in sound collection identification module 4 with the form of character string by staff, reference model in the cognitive phase mainly characteristic parameter of name of the dish that sends of student and reference model storehouse carries out similarity-rough set, then input feature vector best for similarity is exported as recognition result, calculate corresponding price by the process of microcontroller 1.Such as, staff, by arranging the register of single-chip microcomputer, is passed to single-chip microcomputer " Tomato omelette " content, and single-chip microcomputer just can identify " Tomato omelette " information.When student orders dishes time, if send " Tomato omelette " sound, single-chip microcomputer automatically will identify and show corresponding price, then this total charge of consuming is shown in machine for punching the card, when the mess card of student touches in machine for punching the card time, then can on automatic decision card remaining sum whether enough, if enough, prompting of sounding completes, and remaining sum is shown in OLED screen, if Sorry, your ticket has not enough value, then can send by hummer 7 prompting that Sorry, your ticket has not enough value.
Claims (4)
1. the dining room machine for punching the card based on voice recognition, comprise microcontroller (1), it is characterized in that: the input port of microcontroller (1) connects radio-frequency card module (2), keyboard input module (3), sound collection identification module (4), memory module (5), power module (9) respectively, the delivery outlet of microcontroller (1) connects hummer (7), display module (8) respectively, and the input port of microcontroller (1) is connected with communication module (6) respectively with delivery outlet;
Described power module comprises power supply and voltage-stabilized power supply circuit, and power supply connects voltage-stabilized power supply circuit, and voltage-stabilized power supply circuit connects microcontroller (1).
2. a kind of dining room machine for punching the card based on voice recognition according to claim 1, it is characterized in that: described microcontroller (1) for model be the single-chip microcomputer of ATmega16, the model of radio-frequency card module (2) is YW-201, key load module (3) adopts TM1638 chip, sound collection identification module (4) is LD3320 voice recognition chip, memory module (5) is EPROM 2732 storer, and communication module (6) adopts RS-485.
3. a kind of dining room machine for punching the card based on voice recognition according to claim 1, is characterized in that: described hummer (7) is passive hummer, and display screen (8) is OLED display screen.
4. a kind of dining room machine for punching the card based on voice recognition according to claim 1, is characterized in that: described voltage-stabilized power supply circuit adopts LM7805 voltage stabilizer, and voltage stabilizing diode (VD1) is serially connected with No. 2, LM7805 voltage stabilizer between pin and ground.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520293800.7U CN204576660U (en) | 2015-05-08 | 2015-05-08 | A kind of dining room machine for punching the card based on voice recognition |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520293800.7U CN204576660U (en) | 2015-05-08 | 2015-05-08 | A kind of dining room machine for punching the card based on voice recognition |
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| CN204576660U true CN204576660U (en) | 2015-08-19 |
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| CN201520293800.7U Expired - Fee Related CN204576660U (en) | 2015-05-08 | 2015-05-08 | A kind of dining room machine for punching the card based on voice recognition |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010231A (en) * | 2017-12-29 | 2018-05-08 | 佛山市幻云科技有限公司 | Dining room is swiped the card prompt system |
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2015
- 2015-05-08 CN CN201520293800.7U patent/CN204576660U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108010231A (en) * | 2017-12-29 | 2018-05-08 | 佛山市幻云科技有限公司 | Dining room is swiped the card prompt system |
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| Date | Code | Title | Description |
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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 |
Granted publication date: 20150819 Termination date: 20160508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |