CN102110324A - Automatic computer for price of cooked food - Google Patents
Automatic computer for price of cooked food Download PDFInfo
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- CN102110324A CN102110324A CN 201010597476 CN201010597476A CN102110324A CN 102110324 A CN102110324 A CN 102110324A CN 201010597476 CN201010597476 CN 201010597476 CN 201010597476 A CN201010597476 A CN 201010597476A CN 102110324 A CN102110324 A CN 102110324A
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Abstract
The invention discloses an automatic computer for the price of cooked food, which solves the problems that a food seller in a school refectory is easy to get tired in the process of long-time repeated monotonous food selling and to make a mistake on the total price currently. The automatic computer for the price of the cooked food comprises an automatic computation controller, a keyboard, a card reader, a liquid crystal screen, a tray, a weighing sensor and a sensing signal processing system in signal connection with the weighing sensor, wherein the automatic computation controller is an automatic control module of a micro computer system 51 (MCS-51) micro control unit (MCU) chip, in signal connection with the sensing signal processing system; and the sensing signal processing system comprises a signal amplifier in signal connection with the weighing sensor and a voltage-to-frequency (V/F) converter in signal connection with the signal amplifier. A current common sensor and MCU technology is adopted to design an integrated computer to replace a traditional mode of manual pricing, and a simple structural design and an electronic pricing method are adopted to reduce the operational cost of the refectory, to improve the efficiency of staff and to be convenient for daily operation and maintenance.
Description
Technical field
The present invention relates to a kind of comptograph of dish price, particularly a kind of comptograph of the school lunch service's dish price based on LOAD CELLS and MCS-51 single-chip microcomputer design concept.
Background technology
Sell general artificial valuation and the gathering mode of adopting of dish on the market, owing to the time for eating meals stream of people is bigger, so efficient is lower, valuation also makes mistakes easily.Now in order to improve the dish marketing efficiency, the general clearing of account mode that adopts, sell dish as the dining room and extensively adopt existing general automatic valuation and settlement system, this system comprises automatic computing controller and by the input/output terminal system that keyboard, reading card device and display screen constitute jointly, the transaction that can be the dish sale provides data, services and management function.Present dish selling system adopts the keyboard input, and is simple to operate, can significantly alleviate operating personnel's burden; And adopt liquid crystal display to show, clear more eye-catching.School lunch service beats the dish flow process and is generally: beat the dish personnel and ladle out dish, be put in the plate with ladle, repeat repeatedly after, a people's food is beaten and is over, and beats the dish personnel total price of doing a sum orally, and is deducting corresponding debt on the mess card on the reading card device at last.And the dining room meal times such as middle school, university concentrate, and large contingent is beaten the dish personnel and not only will be responsible for beating student and the desired dish of faculty and staff, but also want oneself mental arithmetic price.Beat the long monotonous work of dish personnel, be easy to allow the people produce fatigue, it is also unavoidable to make mistakes.The each cost of also wanting the own dish of doing a sum orally usually of simultaneously many teachers and students, whether accurate to judge total price, also cause easily often and make mistakes, efficient is not high, and contradiction to come out one after another etc. be dining room staff and teachers and students problem demanding prompt solution for a long time.
Summary of the invention
The objective of the invention is the dish personnel that beat easy fatigue that occurs in the long-time dull repeatedly process of buying dish in order to solve current school lunch service, total price is miscalculated easily, problems such as efficient is not high, a kind of novel accuracy height is provided, and easy to operate dish price comptograph is by utilizing LOAD CELLS and MCS-51 single-chip microcomputer Automatic Control Theory, realize the valuation robotization, alleviate dining room staff's burden, increase work efficiency, can also simplify the operation, be convenient to simultaneously to safeguard.
To achieve the above object of the invention, the present invention adopts following technical proposals:
A kind of dish price comptograph, comprise automatic computing controller, keyboard, reading card device and liquid crystal display, automatically the signal output part of computing controller is connected with the signal input part signal of reading card device and liquid crystal display respectively, and the signal input part of computing controller is connected with the signal output part signal of keyboard automatically.This dish price comptograph also comprises pallet, LOAD CELLS and the transducing signal disposal system that is connected with load cell signal, pallet be positioned at LOAD CELLS directly over and directly contact with load induction contact that LOAD CELLS makes progress, a pallet and a LOAD CELLS are formed one group of weighing and sensing system, automatically computing controller is a MCS-51 singlechip chip automatic control module, and signal is connected between MCS-51 singlechip chip automatic control module and the transducing signal disposal system.
In above-mentioned dish price comptograph, the transducing signal disposal system comprises signal amplifier that is connected with the mutual signal of LOAD CELLS and the V/F transducer that is connected with the mutual signal of signal amplifier, and signal is connected between V/F transducer and the MCS-51 singlechip chip automatic control module.The present invention utilizes electrometer to calculate really characteristics fast accurately, designs by utilizing electronic components such as LOAD CELLS, MCS-51 Single Chip Microcomputer (SCM) system, liquid crystal display and keyboard, and it is simple in structure that it is possessed, good looking appearance, easy to operate, valuation accurately fast, is easy at ordinary times maintenance and guarantee simultaneously.
Above-mentioned dish price comptograph comprises weighing and sensing system, automatic control system and input-output system, by the miniature weighing sensor induction weight change in the weighing and sensing system, and with the automatic control module that the signal data that measures the is delivered to automatic control system computing of valuating, last by the liquid crystal display export price in the input-output system, reach the function that automatic valuation is calculated thus, improve dining room staff's work efficiency.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
(1) adopt modular design, utilize miniature LOAD CELLS sensitivity, characteristics are carried out weighing accurately, and employing MCS-51 single-chip microcomputer to guarantee the accurate, quick, stable of valuation, has also reduced cost as the control core simultaneously.
(2) weighing, valuation are integrated, accurately fast, help increasing work efficiency.
(3) compact conformation, good reliability and good looking appearance are beneficial to maintenance.
Description of drawings
Fig. 1 is the structural representation of dish price comptograph of the present invention.
Fig. 2 is a dish price comptograph system signal schematic diagram of the present invention.
Fig. 3 is the structural representation of the miniature LOAD CELLS of using among the present invention.
Fig. 4 is the synoptic diagram of a preferred embodiment of dish price comptograph of the present invention.
Fig. 5 is to use the dining room of dish price comptograph of the present invention to beat the dish process flow diagram.
Embodiment
A preferred embodiment of the present invention is: referring to Fig. 1 to 4, the present invention is a kind of dish price comptograph, comprise automatic computing controller, keyboard 5, reading card device 6 and liquid crystal display 7, automatically the signal output part of computing controller is connected with the signal input part signal of reading card device 6 and liquid crystal display 7 respectively, automatically the signal input part of computing controller is connected with the signal output part signal of keyboard 5, this dish price comptograph also comprises pallet 8, LOAD CELLS 1 and the transducing signal disposal system that is connected with LOAD CELLS 1 signal, pallet 8 be positioned at LOAD CELLS 1 directly over and directly contact with load induction contact that LOAD CELLS 1 makes progress, a pallet 8 and a LOAD CELLS 1 are formed one group of weighing and sensing system, automatically computing controller is a MCS-51 singlechip chip automatic control module 4, and signal is connected between MCS-51 singlechip chip automatic control module 4 and the transducing signal disposal system.Dish price comptograph of the present invention comprises weighing and sensing system, transducing signal disposal system and input-output system, and is simple in structure, compact, is convenient to operation.
Transducing signal disposal system of the present invention comprises signal amplifier 2 that is connected with LOAD CELLS 1 mutual signal and the V/F transducer 3 that is connected with signal amplifier 2 mutual signals, and signal is connected between V/F transducer (3) and the MCS-51 singlechip chip automatic control module 4.
Referring to Fig. 5, the signal data that LOAD CELLS 1 records passes to the transducing signal disposal system and carries out processing and amplifying and calculating, from the voltage signal of LOAD CELLS 1 output is small-signal, after will amplifying through signal, with V/F transducer 3 voltage signal is transformed into frequency signal, it is digital pulse signal, MCS-51 single-chip microcomputer 4 accepts that this signal is handled, computing, at last operation result is exported to reading card device 6, the data that obtain can be revised and finally be exported by the output device demonstration by keyboard 5 by beating the dish personnel, determine whether to check card by beating the dish personnel at last.In this process, behind every group of sensor export price signal, all on the screen of reading card device 6, show the price of current dish.With this burden that has alleviated the dining room staff, improved efficient.In addition, because the electronic equipment that adopts possesses versatility, therefore, the processing maintenance is more convenient, and provides cost savings.
Referring to Fig. 3, the LOAD CELLS 1 of dish price comptograph of the present invention preferably adopts miniature LOAD CELLS, can adopt the positive forever miniature LOAD CELLS of YZ247S, and volume is little, and cost is low, is convenient to realize cramped construction.
Referring to Fig. 4, the pallet of dish price comptograph of the present invention 8 can be many groups with the weighing and sensing system that LOAD CELLS 1 is formed, and is evenly arranged in each and contains on the warm table below the dish container, makes things convenient for the dining room staff to valuate.
Dish price comptograph of the present invention uses current general sensor and singlechip technology design integration counter to replace traditional artificial valuation model, use simple structural design and electronic price computing means to reduce the operation cost in dining room, improve staff's efficient, be convenient to daily operation and maintenance again.
Claims (4)
1. dish price comptograph, comprise automatic computing controller, keyboard (5), reading card device (6) and liquid crystal display (7), the signal output part of described automatic computing controller is connected with the signal input part signal of reading card device (6) with liquid crystal display (7) respectively, the signal input part of described automatic computing controller is connected with the signal output part signal of keyboard (5), it is characterized in that: also comprise pallet (8), LOAD CELLS (1) and the transducing signal disposal system that is connected with described LOAD CELLS (1) signal, described pallet (8) be positioned at LOAD CELLS (1) directly over and directly contact with load induction contact that LOAD CELLS (1) makes progress, a described pallet (8) and a described LOAD CELLS (1) are formed one group of weighing and sensing system; Described automatic computing controller is a MCS-51 singlechip chip automatic control module (4), and signal is connected between described MCS-51 singlechip chip automatic control module (4) and the transducing signal disposal system.
2. dish price comptograph according to claim 1, it is characterized in that, described transducing signal disposal system comprises signal amplifier (2) that is connected with LOAD CELLS (1) signal and the V/F transducer (3) that is connected with signal amplifier (2) signal, and signal is connected between described V/F transducer (3) and the described MCS-51 singlechip chip automatic control module (4).
3. dish price comptograph according to claim 2 is characterized in that described LOAD CELLS (1) is miniature LOAD CELLS.
4. according to claim 1, the described dish price of 2 or 3 each claims comptograph, it is characterized in that described weighing and sensing system is many groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010597476 CN102110324A (en) | 2010-12-21 | 2010-12-21 | Automatic computer for price of cooked food |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010597476 CN102110324A (en) | 2010-12-21 | 2010-12-21 | Automatic computer for price of cooked food |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102110324A true CN102110324A (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010597476 Pending CN102110324A (en) | 2010-12-21 | 2010-12-21 | Automatic computer for price of cooked food |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105631780A (en) * | 2016-04-01 | 2016-06-01 | 江南大学 | Total price automatic calculator of dining room selling dishes |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101231187A (en) * | 2008-01-31 | 2008-07-30 | 深圳先进技术研究院 | Measuring circuit and device for piezoelectricity induction type electronic weighing |
| CN101315298A (en) * | 2007-06-01 | 2008-12-03 | 上海农产品中心批发市场经营管理有限公司 | Electronic scale |
-
2010
- 2010-12-21 CN CN 201010597476 patent/CN102110324A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315298A (en) * | 2007-06-01 | 2008-12-03 | 上海农产品中心批发市场经营管理有限公司 | Electronic scale |
| CN101231187A (en) * | 2008-01-31 | 2008-07-30 | 深圳先进技术研究院 | Measuring circuit and device for piezoelectricity induction type electronic weighing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105631780A (en) * | 2016-04-01 | 2016-06-01 | 江南大学 | Total price automatic calculator of dining room selling dishes |
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Application publication date: 20110629 |