CN100446041C - Restaurant price fixing and dishes ordering device - Google Patents

Restaurant price fixing and dishes ordering device Download PDF

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CN100446041C
CN100446041C CN 200510110203 CN200510110203A CN100446041C CN 100446041 C CN100446041 C CN 100446041C CN 200510110203 CN200510110203 CN 200510110203 CN 200510110203 A CN200510110203 A CN 200510110203A CN 100446041 C CN100446041 C CN 100446041C
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connected
pricing
liquid crystal
crystal display
card
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CN1773560A (en
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超 刘
蒋祖华
马元巍
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上海交通大学
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Abstract

本发明涉及一种餐饮业定价点菜器,可实现定价、点菜、刷卡消费三大功能,数字键盘设置数字键和功能键,并设置具有锁定功能的设定菜价和点菜操作的转换键,由主控芯片对接收的键盘操作信号进行判别和计价处理,将指令发送到液晶显示模块和亮灯区域,并通过刷卡面板完成刷卡交易;亮灯区域提供的输出显示用来提示定价和指示用户所选择的菜,液晶显示模块显示菜的价格和操作状态提示。 The present invention relates to a food and beverage industry is a la carte pricing, the pricing may be implemented, ordering, credit card spending three functions, numeric keypad numeric keys and function keys is provided, and is provided to set a la carte vegetables and operating a lock function conversion key, the master chip by a signal received on the keyboard and the valuation determination process, send instructions to the liquid crystal display module and a lighting area, and complete the transaction card through card panel; output provides the lighting region of the display to prompt and pricing the user indicates the selected menu, the liquid crystal display module to display the menu prices and the operating status. 本发明成本低廉,计价准确,能大幅度提高工作效率,改善交易全程的卫生条件,适用于人流量大、需排队打饭的大型餐饮食堂。 The present invention low cost, accurate pricing, can greatly improve work efficiency, improve health conditions of the whole transaction is suitable for high traffic, you need to queue Dafan large restaurant dining room.

Description

餐饮业定价点菜器技术领域本发明涉及一种餐饮业定价点菜器,具体涉及一种带有指示电灯的定价、 点菜和刷卡装置,适用于高校、企业、政府部门等人流量大、服务密集型的大型餐饮食堂。 FIELD Pricing is a la carte restaurant industry present invention relates to an a la carte restaurant industry pricing, pricing in particular to one kind with an indication lamp, a la carte and credit card equipment for universities, enterprises, government departments and others flow, service-intensive large restaurant dining room. 背聚技术现有商校、企业、政府部门等大型餐饮食堂为职工用餐提供了方便,但营业过程限制在低水平的人工操作,包括柜台内外的语言沟通,人工计价等等, 存在许多局限性。 Poly-technical school back existing providers, enterprises, government departments and other large catering staff canteen provides a convenient dining, but is limited to a low level of business process manual, including the language of communication both inside and outside of the counter, artificial pricing, and so on, there are many limitations . 虽然工作人员都在努力提高服务质量,尽量加快服务速度, 但因打菜流程的繁琐、用餐者人数众多且对饭菜有各种不同的选择,造成工作量非常大,因排队等候造成大i时间浪费,效率不高。 Although the staff are working hard to improve the quality of service and to accelerate the speed of service, but the food fight cumbersome process, many diners number of meals and a variety of different options, resulting workload is very large, because waiting time caused great i wasteful, inefficient. 往往还会因互相沟通的困难产生误解或误操作,争执和摩擦也时有发生。 Also tend to misunderstand or misuse, disputes and friction with each other due to communication difficulties have also occurred. 同时,在语言交流的同时也带来卫生问题。 At the same time, while verbal communication can also bring health problems. 因此在提高服务质量的同时,还需要采取一种技术措施来改善该作业流程。 Therefore, while improving service quality, but also the need for a technical measures to improve the processes. 现有技术中,有一种商业用自动售货机,通过给售货机内已摆放好的食品预先定价,顾客根据自我偏好和售货机内食品的价格标识按键进行选择性购买操作,购买方式为投入硬币或纸币以实现交货行为。 The prior art, there is a commercial vending machines, vending machines have been put through to the good food in the pre-pricing, customers selectively purchase price and operating according to the preference of self-identification keys in the vending machine food, buy way into coins or paper money in order to achieve delivery behavior. 但是自动售货机仅仅适用于最简单的交易模式,仅限于一次点购一种食品,不具备适应多种需求、自动计算总价的智能化交易功能,其预先的定价不能随时变更,不能及时、 方便地满足顾客人流量大、快速多样性的购买需求,不能适用于大型餐饮食堂。 But the vending machine only for the most simple transaction mode, only one point to buy a food, do not have to adapt to a variety of needs, automatically calculates the total price of intelligent trading capabilities, its advance pricing can not be changed at any time and can not, easily meet customer high traffic, fast purchasing needs diversity, not suitable for large-scale catering canteens. 发明内容本发明的目的在于针对现有技术的不足和实际需要,提供一种餐饮业定价点菜器,能将定价、点菜和刷卡三大功能集一体,实现智能化打菜过程,提髙效率。 SUMMARY object of the invention is for less than the actual needs of the prior art and to provide a la carte pricing is the restaurant industry, able pricing, a la carte and set one swipe three functions, intelligent process food fight, mention Gao effectiveness. 为实现这一目的,本发明提供的餐饮业定价点菜器,包括电源,主控芯片, 液晶显示、串行输入器、数字键盘、亮灯区域及刷卡面板。 To achieve this object, the present invention provides a la carte pricing catering industry, comprising the power supply, the master chip, a liquid crystal display, a serial input, a numeric keypad, and card area lighting panel. 数字键盘设置数字键和功能键,并设置具有锁定功能的设定菜价和点菜操作的转换键,由管理人员通过键盘为各区域菜肴定价,由消费者进行自主选择。 Numeric keypad numeric keys and function keys is provided, and set the operation setting a la carte and vegetables with locking function switching key, by the manager through the keyboard for the regional dishes pricing performed by the consumer to choose. 主控芯片对接收的键盘操作信号进行判别并自动计算总价,将指令发送到液晶显示模块和亮灯区域, 并通过刷卡面板完成刷卡交易。 Keyboard control chip received signal discriminating operation and automatically calculate the total price, send instructions to the liquid crystal display module and a lighting area, and complete the transaction card through card panel. 亮灯区域J^供的输出显示用来提示定价和指示用户所选择的菜,液晶显示模块显示菜的价格和操作状态提示。 J ^ output for lighting a display area to prompt the user indicating the price of the selected menu, the liquid crystal display module to display the menu prices and the operating status. 本发明的定价点菜器具体结构包括:电源,主控芯片,液晶显示、串行输入器、数字键盘、亮灯区域及刷卡面板。 Pricing is ordering a specific configuration of the present invention comprises: a power supply, the master chip, a liquid crystal display, a serial input, a numeric keypad, and card area lighting panel. 数字键盘设置数字键和功能键,并设置具有锁定功能的设定菜价和点菜操作的转换键,键盘输出连接主控芯片,主控芯片的输出与亮灯区域相连,同时通过串行输入器与液晶显示模块相连,刷卡面板与主控芯片连接;主控芯片对接收的键盘操作信号进行判别和处理,将指令发送到液晶显示模块和亮灯区域,并通过刷卡面板完成一次刷卡交易。 Numeric keypad numeric keys and function keys is provided, and is provided to set a la carte and vegetables changeover key operation, the output connected to the keyboard control chip, the master chip outputs a lighting region are connected with locking function, through the serial input and the liquid crystal display module is connected to the control chip card connector panel; keyboard operation control chip received signal and determination process, send instructions to the liquid crystal display module and a lighting area, and complete a transaction card through the card panel. 亮灯区域提供的输出显示用来提示定价和指示用户所选择的菜,液晶显示模块显示菜的价格和操作状态提示。 Output provides the lighting region of the display to prompt the user indicating the price of the selected menu, the liquid crystal display module to display the menu prices and the operating status. 本发明所述主控芯片采用MC68HC卯8GP32单片机,与亮灯区域相连实现8 位数字量的输出显示,液晶显示模块采用双排字符液晶1602A,经74LS164串行输入器与MC68HC卯8GP32单片机相连实现串行输入。 The present invention MC68HC d 8GP32 main chip microcontroller, lighting region are connected with 8 bits of the digital output display, the liquid crystal display module using double character LCD 1602A, via 74LS164 serial input connected with MC68HC d MCU 8GP32 serial input. 本发明所述亮灯区域包括八个发光二极管和3卯欧姆阻排,八个发光二极管的阳极分别与390欧姆阻排一端的八个接插点连接,3卯欧姆阻排的另一端连接+5V电压,八个发光二极管的阴极连接到主控芯片。 The present invention is a light emitting diode lighting region and 3 comprises eight sockets ohmic resistance row, eight anode of the light emitting diode 390, respectively ohmic discharge resistor is connected to one end of eight patch point, the other end of the discharge resistor 3 connected ohmic d + 5V voltage, eight light-emitting diode cathode connected to the master chip. 本发明的操作信号从键盘输入。 An operation signal input from the keyboard of the present invention. 使用时,先在定价模式下,由管理人员将各种菜肴的编号及各编号对应的价格输入,然后锁定定价功能,转换为点菜功能模式。 When in use, the first in the pricing model, by the managers of the various dishes and each number corresponding to the number of input prices, and then lock pricing, converted into function mode a la carte. 打饭过程中,消费者通过数字键盘依次输入所选择菜的号码,并可以采用功能键修改或确定。 Dafan process, consumer food numbers sequentially input selection via a digital keyboard and the function keys can be used to modify or determined. 信号传送到主控芯片,由主控芯片进行数据处理,将指令分别发送到液晶显示模块和亮灯区域,由液晶显示模块实时显示目前的操作状态及消费者选择的菜价,包括选择过程中的单价和选择结束后的总价,而亮灯区域中与消费者所选择菜肴对应的灯点亮并提示菜价。 Signal is transmitted to the control chip, the master chip for data processing, the instructions are transmitted to the liquid crystal display module and lighting area, a liquid crystal display module displays the current operating state of vegetables and real consumer choice, the selection process comprising after the end of the unit price and total price selection, and lighting in the region corresponding to the lamp and the dishes selected by the consumer and prompt vegetable lighting. 消费者将消费卡放在刷卡面板上,由刷卡面板接收磁感应信号后响应到主控芯片,扣除本次消费金额后完成此次交易。 Consumers will consume card on the card panel, the credit card after the panel receives the magnetic induction signal in response to the main chip, after deducting the amount of consumption of this complete this transaction. 本发明可以适应于使用学生校园卡或员工ID卡的餐馆食堂,可在统一界面完成定价、点菜、刷卡三种功能,简单方便,既可以在打饭点菜过程中节省时间成本,又能提高食堂工作人员效率,并降低了因沟通不畅而出错的概率。 The present invention can be adapted to use the restaurant dining hall on campus student card or employee ID card, to be completed in a unified interface, pricing, ordering, credit card three functions, simple and convenient, can save both time costs in Dafan ordering process, but also improve the efficiency of the staff canteen, and reduces the probability of errors due to miscommunication. 同时由于整个打菜过程中,打菜人只需按键、刷卡实现消费,始终没有任何语言接触,食堂卫生问题也会比目前的人工操作好很多。 And because the entire process food fight, fight food people just keys, credit card achieve consumption, has not contacted any language, canteens and health issues will be much better than the current manual operation. 本发明的定价点菜器具有智能化特点,成本低廉,计价准确,能大幅度提髙工作效率,适用于各类大型集体餐饮食堂,具有广阔的应用前景。 A la carte pricing of the present invention with intelligent features, low cost, accurate pricing, can significantly raise the efficiency Gao, applicable to all types of large-scale collective catering canteens, has broad application prospects. 附图说明图l是本发明的总体结构框图。 BRIEF DESCRIPTION OF DRAWINGS Figure l is a block diagram showing the overall structure of the present invention. 图2是本发明的亮灯区域显示原理图。 FIG 2 is a lighting region according to the present invention is shown in FIG principle. 图。 Fig. 图4是本发明4 X 4数字键盘输入原理图。 4 X-4 is a schematic diagram of the input numeric keypad 4 of the present invention. 图5是本发明实施例的效果图。 FIG 5 is a view of an embodiment of the effects of the present invention. 图5中,两窗口的定价点菜器共用一个亮灯区域。 5, an a la carte pricing two windows share a lighting area. 具体实施方式以下结合附图和实施例对本发明的技术方案作进一步描述。 The technical solution of the present invention will be further described in conjunction with specific embodiments The following figures and examples. 本发明的总体结构由图l所示的各功能模块构成,包括:电源,主控芯片, 液晶显示、串行输入器、数字键盘、亮灯区域及刷卡面板。 Each functional block structure of the present invention is generally illustrated by FIG. L configuration, comprising: a power supply, the master chip, a liquid crystal display, a serial input, a numeric keypad, and card area lighting panel. 设置数字键和功能键,并设置具有锁定功能的设定菜价和点菜操作的转换键,数字键盘的输出连接主控芯片,主控芯片的输出与亮灯区域相连,同时通过串行输入器与液晶显示模块相连,刷卡面板与主控芯片相连接。 Numeric keys and function keys is provided, and set the operation setting a la carte and vegetables with locking function switching key, a numeric keypad connected to the output of the master chip, the master chip is connected to the output of the lighting region, while the serial input and the liquid crystal display module is connected, and the panel control chip card is connected. 电源为各个模块供电。 For each power supply module. 主控芯片对接收的键盘操作信号进行判别和计价处理,将指令发送到液晶显示模块和亮灯区域,并通过刷卡面板完成一次刷卡交易。 Master chip keyboard signals received and determining valuation process, send instructions to the liquid crystal display module and a lighting area, and complete a transaction card through the card panel. 亮灯区域提供的输出显示用来提示定价和指示用户所选择的菜,液晶显示模块显示菜的价格和操作状态提示。 Output provides the lighting region of the display to prompt the user indicating the price of the selected menu, the liquid crystal display module to display the menu prices and the operating status. 本发明采用MC68HC908GP32单片机作为主控芯片,MC68HC908GP32单片机与亮灯区域相连,提供8位数字量的输出显示,用来提示定价和指示用户或工作人员所选择的菜。 MC68HC908GP32 present invention employs as the master chip microcontroller, the microcontroller is connected to the lighting MC68HC908GP32 region, providing eight digital output display, for prompting the user pricing or staff indicating the selected menu. 液晶显示模块采用双排字符液晶1602A,连接74LS164串行输入器,再以74LS164连接MC68HC908GP32单片机实现串行输入。 The liquid crystal display module using double character LCD 1602A, 74LS164 serial input is connected, and then connected to 74LS164 serial input MC68HC908GP32 MCU. 液晶显示模块可同时显示16个符号或字母,可以用来显示菜的价格和操作状态提示。 The liquid crystal display module 16 can display letters or symbols can be used to display the food price and the operating status. MC68HC908GP32单片机与数字键盘相连,用于键盘信号的输入,实现使用者设定菜价和点菜操作的转换;MC68HC908GP32单片机与刷卡面板相连,实现刷卡信号的输入。 MC68HC908GP32 SCM and a numeric keypad for inputting the keyboard signal, set by the user to achieve a la carte conversion operation and vegetables; MC68HC908GP32 connected to the microcontroller and the panel card, credit card implement input signal. 本发明中的亮灯区域受MC68HC908GP32单片机控制。 The present invention is in the area lit by MC68HC908GP32 SCM. 图2为亮灯区域显示原理图。 FIG 2 is a schematic diagram of the lighting region of the display. 亮灯区域包括:八个发光二极管、390欧姆阻排。 Lighting region comprising: a light emitting diode eight, 390 ohm discharge resistance. 八个发光二极管的阳极分别与390欧姆阻排一端的l-8号接插点用导线连接;390欧姆阻排的另一端9-16号接插点连接+5V电压。 Eight anode of the light emitting diode 390, respectively ohmic barrier discharge end plug numbers l-8-point connection with a wire; the other end of the 390 ohm resistor rows 9-16 patch point is connected to + 5V. 八个发光二极管的阴极连接到主控芯片。 Eight cathode of the light emitting diode is connected to the master chip. 390欧姆阻排这样安插可以做到:当发光二极管的阴极的接入电平为髙时,发光二极管处于暗状态;当接入电平为低时,发光二极管处于亮状态。 390 ohm resistor array of such placement can be done: When the access level of the light emitting diode to a cathode Gao, a light emitting diode in a dark state; when the access level is low, the LED is a bright state. 本发明的液晶显示模块采用双排字符液晶1602A,经串行输入器74LS164连接MC68HC908GP32单片机实现串行输入,具体连接方式如图3所示。 The liquid crystal display of the present invention using double character LCD module 1602A, via 74LS164 serial input is connected to the serial input MC68HC908GP32 MCU, the specific connection mode as shown in FIG. 液晶显示模块LCD1602A的数据输入口DB0-DB7对应连接于74LS164串行输入器的数据输出口Q0-Q7;液晶显示模块LCD1602A的RS、 R/W、 E口分别对应连接MC68HC卯8GP32单片机上的PORTC0-PORTC2; 74LS164串行输入器的MR、 CLK、 A口分别对应连接MC68HC908GP32单片机上的PORTC3、 SCK、 MOSI口; 74LS164串行输入器的B口接+5V电压;MC68HC908GP32单片机的SS口连接十5V电压。 LCD module LCD1602A data input port DB0-DB7 connected to the data output port corresponding to a 74LS164 serial input device Q0-Q7; LCD module LCD1602A the RS, R / W, E corresponding to the connection port on the microcontroller MC68HC d 8GP32 respectively PORTC0 -PORTC2; 74LS164's serial input MR, CLK, a port connected respectively PORTC3 MC68HC908GP32 microcontroller, SCK, MOSI port; 74LS164 serial input port B is connected to the + 5V voltage; MC68HC908GP32 microcontroller port connection ten 5V SS Voltage. 当然,本发明的液晶显示模块也可采用其他点阵或字符型液晶显示屏或LED 不屏。 Of course, the liquid crystal display module of the present invention can be other character dot matrix or LCD or LED screen not. 本发明中采用的数字键盘可釆用4X4数字键盘输入,数字键盘的输出信号与MC68HC908GP32单片机相连。 The present invention may be employed in the numeric keypad 4X4 preclude the use of the numeric keypad input coupled to the output signal of the digital keyboard MC68HC908GP32 microcontroller. 数字键盘由图4所示的标号0-9和AF的16个开关按照4X4行列阵排开,从14行分别对应向右引出导线插接点Y1-Y4,从l-4列分别对应向上引出导线插接点X1-X4。 4X4 array according to the ranks of the numeric keypad discharge opening 16 by the reference numerals 0-9 and AF switch shown in FIG. 4, line 14, respectively, from the corresponding lead wires Y1-Y4 insertion point to the right, the corresponding l-4 from the lead wire upwardly with columns plug-in point X1-X4. MC68HC908GP32单片机预留了8个对应于Y1-Y4、 Xl-X4的接口,信号通过按键输入从8个对应接口进入主控芯片MC68HC908GP32单片机,由主控芯片对接收信号进行判别和计价处理,将指令发送到液晶显示模块和亮灯区域。 MC68HC908GP32 reserved MCU 8 correspond to a Y1-Y4, Xl-X4 interface, signals from the microcontroller into the main chip MC68HC908GP32 the corresponding interface 8 through the key input, the received signal is determined by the master chip and the valuation process, the command sent to the liquid crystal display module and lighting region. 在实施例中的具体连接方式为:Yl-Y4、 Xl-X4分别对应连接于MC68HC卯8GP32单片机的PORTA0-PORT7端口。 DETAILED connection mode embodiment is: Yl-Y4, Xl-X4 respectively connected to the ports MC68HC d PORTA0-PORT7 8GP32 microcontroller. MC68HC908GP32单片机与刷卡面板相连,刷卡面板接收磁感应信号后响应额,液晶显示模块会有相应的提示信息。 MC68HC908GP32 card panel is connected to the microcontroller, the magnetic card detection signal in response to the received panel amount of the liquid crystal display module have a corresponding prompt information. 本发明的数据输入均由数字键盘操作实现,即定价功能和点菜功能可通过数字键盘上的转换键实现数据输入。 The present data input by the numeric keypad operation achieved in that the pricing and ordering functions may be implemented by converting the data input keys on the numeric keypad. 图5所示的效果图简要记载了本发明的实施操作过程。 FIG effect shown in Figure 5 discloses a schematic embodiment of the operation of the present invention. 图5下方显示了学生或员工排队等候点菜,两窗口共用一组亮灯区域。 Figure 5 shows the bottom of the student or employee queuing order, two share a lighting window area. 本发明的定价点菜器安装在窗口之外面向学生。 Pricing ordering the present invention is installed outside the window for students. 每次开饭前由食堂工作人员事先为区域菜系定好价格,然后锁定定价功能,只留出点菜功能。 Each time before dinner in advance is good price for the regional cuisine by the canteen staff, and then lock the pricing, leaving only a la carte features. 打饭过程中学生通过点菜器上的数字键盘号码确定所点的组合菜,公共的亮灯区域中与所点的菜对应的灯会亮起,然后工作人员根据某同学的某一次亮灯组合进行打菜操作,并递交餐盘。 Dafan process, students determines the dish composition points by ordering number on the numeric keypad, a common lighting region is illuminated with the lamp dish corresponding points, then the staff of a lighting combination according to one of a student food fight operations, and submit dish. 学生待看到液晶显示屏上显示出的总菜价确认无误后刷卡实现一次消费,端走餐盘离开。 The total vegetable students to be seen displayed on the LCD screen to confirm credit card consumption to achieve a correct and take away the tray leave. 特别地,当两窗口共用亮灯区域时,某一窗口正在使用过程中,另一窗口的点菜机为锁定状态。 In particular, when two common lighting window region, a window is being used during a la carte another window for a locked state. 交替使用的好处是节省总成本。 Alternate use of the advantage of saving the total cost. 下面以每组8个菜为例,具体描述如何使用本发明的定价点菜机。 The following groups of 8 to dishes, the detailed description of how the present invention Pricing la carte. 实现定菜价功能:接通电源,系统初始化为定价模式(或在点菜功能下按M 键进入),LCD液晶显示屏上提示操作。 Vegetable achieve predetermined functions: power on, the system is initialized to pricing model (or M to enter the ordering function), LCD prompts on the LCD. 此时选择数字键盘0-7任意键为对应的亮灯区域菜定价。 The Select key is any number 0-7 keypad lighting region corresponding to the menu pricing. 可选择数字键盘上0-9、小数点"."、Dd键对价格进行操作,以Ent键结束一次定价,重复以上过程。 Alternatively 0-9 on the numeric keypad, a decimal point ".", Dd price key is operated to end a pricing Ent key, the process is repeated. 定价操作完成后,按功能键(M键)进入点菜模式,并锁定。 After the completion of the pricing operation, press the function key (M-key) to enter ordering mode and locked. 实现点菜功能:进入点菜模式,LCD液晶显示屏上提示操作。 Function ordering achieved: entering ordering mode, LCD liquid crystal display screen prompts. 此时按数字键盘0-7任意组合键进行选菜操作。 In this case the number keys 0-7 is selected from any menu key combination operation. 同时亮灯区域会以不同颜色显示所点菜,LCD 液晶屏同时提示所点菜的价格;数字键盘上"Eiit"或"Can"进行确认或取消—次点菜操作。 While the lighting area are displayed in a different color ordering, LCD liquid crystal screen prompts while ordering price; numeric keypad "Eiit" or "Can" to confirm or cancel - ordering operation times. 点菜人按"Ent"确认后LCD显示出所点菜总价,在刷卡面板刷卡操作结束一次点菜消费。 Ordering people by "Ent" After confirming the LCD shows the a la carte price, operating at the end of a swipe card panel la carte consumption. 系统重新进入点菜模式,重复以上过程。 Ordering re-enter the system mode, the process is repeated.

Claims (4)

1、一种餐饮业定价点菜器,其特征在于包括:电源,主控芯片,液晶显示、串行输入器、数字键盘、亮灯区域及刷卡面板,数字键盘设置数字键和功能键,并设置具有锁定功能的设定菜价和点菜操作的转换键,键盘输出连接主控芯片,主控芯片的输出与亮灯区域相连,同时通过串行输入器与液晶显示模块相连,刷卡面板与主控芯片相连接;主控芯片对接收的键盘操作信号进行判别和处理,将指令发送到液晶显示模块和亮灯区域,并通过刷卡面板完成刷卡交易;亮灯区域提供的输出显示用来提示定价和指示用户所选择的菜,液晶显示模块显示菜的价格和操作状态提示。 A catering la carte pricing device, comprising: a power supply, the master chip, a liquid crystal display, a serial input, a numeric keypad, and card area lighting panel, numeric keypad arranged number keys and function keys, and provided with a locking function to be set and a la carte vegetables changeover key operation, the output connected to the keyboard control chip, the master chip connected to the output of the lighting region, while the display module via serial input connected with the liquid crystal panel and a card control chip is connected; keyboard operation control chip received signal and determination process, send instructions to the liquid crystal display module and a lighting area, and complete the transaction card through card panel; output provides the lighting region of the display for prompting pricing and indicating menu selected by the user, the liquid crystal display module to display the menu prices and the operating status.
2、 根据权利要求1的餐饮业定价点菜器,其特征在于所述主控芯片采用MC68HC卯8GP32单片机,与亮灯区域相连实现8位数字量的输出显示,液晶显示模块采用双排字符液晶1602A,经74LS164串行输入器与MC68HC908GP32 单片机相连实现串行输入。 2, according to claim catering ordering price 1, wherein said master chip microcontroller 8GP32 MC68HC d, lighting region are connected with 8 bits of the digital output display, the liquid crystal display module using double character LCD 1602A, via 74LS164 serial input with the serial input is connected to the microcontroller MC68HC908GP32.
3、 根据权利要求l的餐饮业定价点菜器,其特征在于所述亮灯区域包括八个发光二极管和一个390欧姆阻排,八个发光二极管的阳极分别与390欧姆阻排一端的八个接插点连接,3卯欧姆阻排的另一端连接+5V电压,八个发光二极管的阴极连接到主控芯片。 3, according to claim l la carte pricing catering, characterized in that said lighting region comprises eight light emitting diode and a 390 ohm resistor rows, eight anode of the light emitting diode 390, respectively discharge end of the ohmic resistance of eight patch point, and the other end of the row 3 d ohmic resistance is connected to + 5V, eight light-emitting diode cathode is connected to the control chip.
4、 根据权利要求l的餐饮业定价点菜器,其特征在于所述数字键盘为4X4 数字键盘,由16个开关按照4X4行列阵排开,分别从行、列引出共八个插接点与主控芯片对应接口相连。 4, according to the restaurant industry l la carte pricing device as claimed in claim, characterized in that the numeric keypad is a numeric keypad 4X4, 4X4 switch in a 16 row array arranged, separately from the row, column and drawn a total of eight main plug-in point cHIP connected to the corresponding interfaces.
CN 200510110203 2005-11-10 2005-11-10 Restaurant price fixing and dishes ordering device CN100446041C (en)

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CN2147584Y (en) 1992-09-29 1993-11-24 初惠智 Menu processor for restaurant
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CN2569244Y (en) 2002-08-14 2003-08-27 北京食苑星技术有限公司 Intelligent wireless disk ordering device

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Publication number Priority date Publication date Assignee Title
CN2147584Y (en) 1992-09-29 1993-11-24 初惠智 Menu processor for restaurant
CN2395339Y (en) 1999-07-15 2000-09-06 董春晓 Electronic dish ordering device
WO2001016895A1 (en) 1999-08-27 2001-03-08 Pentel Randolph M Remote ordering device
CN2569244Y (en) 2002-08-14 2003-08-27 北京食苑星技术有限公司 Intelligent wireless disk ordering device

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