CN201017403Y - Cashmere and fleece knit goods, and lines weighing and cash information management integrated machine - Google Patents
Cashmere and fleece knit goods, and lines weighing and cash information management integrated machine Download PDFInfo
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- CN201017403Y CN201017403Y CNU2007200665585U CN200720066558U CN201017403Y CN 201017403 Y CN201017403 Y CN 201017403Y CN U2007200665585 U CNU2007200665585 U CN U2007200665585U CN 200720066558 U CN200720066558 U CN 200720066558U CN 201017403 Y CN201017403 Y CN 201017403Y
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Abstract
The utility model relates to an integrated cashmere/wool knit wear and yarn weighing and charging information management machine, which comprises a cabinet, a microprocessor arranged in the cabinet, a real-time clock and memory circuit, a D/A conversion circuit connected to the microprocessor, a weighing sensor connected to the circuits, a power supply circuit, a keyboard arranged on the front of the cabinet, a printer arranged at one side of the cabinet, LCD screens arranged on the front and back of the cabinet, and a cash box arranged below the cabinet; the machine is characterized in: the keyboard is a 56-key keyboard; the microprocessor is connected through an I<2>C bus to a keyboard drive circuit and a LCD screen drive circuit, wherein, the keyboard drive circuit and LCD screen drive circuit are connected via a data bus to the keyboard and the LCD screen respectively; the microprocessor is connected through a communication interface and conductors to the printer and the cash box. The machine is equipped with a special keyboard, and is applicable to weighing and charging information management for cashmere/wool knit wear and yarns, and is easy to use, and can prevent corruption and increase benefits for the company.
Description
Technical field
The utility model relates to a kind of electronic-weighing weighing apparatus, is specifically related to a kind of Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing.
Background technology
At present, a kind of prior art mechanical type weighing apparatus is applied to the weight that retail shop claims commodity, and this weighing apparatus is to claim that with quilt thing is placed on the pan of a steelyard, by the indication of the pointer on panel weight, realizes weighing up the weight that is claimed thing.The total price of commodity can not be remembered heavily, be calculated to this mechanical type weighing apparatus automatically owing to can only weigh up the weight that is claimed thing, and therefore, it is very inconvenient to use.
Another kind of prior art electronic-weighing weighing apparatus is extensive use of in retail shop, and this electronic-weighing weighing apparatus circuit is made up of LOAD CELLS, analog to digital converter, microprocessor, charactron display and keyboard; The input end of LOAD CELLS links to each other with the weighing parts, the output terminal of LOAD CELLS is connected with the input end of analog to digital converter, the output terminal of analog to digital converter is connected with the input end of microprocessor, and microprocessor is connected with the input end of charactron display and the output terminal of keyboard respectively.When using, keyboard input unit price, claimed the weight signal of article to be converted to voltage signal (being simulating signal) input analog-to-digital converter through LOAD CELLS, analog to digital converter is converted to the digital signal input microprocessor, microprocessor sends to the charactron display with the weight digital signal and shows after treatment.The micro processor loop keyboard scan has judged whether that button presses, and carries out different processing according to different buttons.
The shortcoming of this electronic-weighing weighing apparatus is:
1. prior art electronic-weighing weighing apparatus is because operation keyboard is simpler, the charactron display only is set, can only be to weight, the unit price input of commodity, can only show current weight, unit price in real time, calculate, show total price, function singleness, the Cashmere and Woolens knit goods and the line that can not be suitable for professional usefulness weighed in process of exchange, the needs of cash register and information management.
2. the control flow of the electronic-weighing weighing apparatus of prior art just fixedly installs when dispatching from the factory, and the user is non-programmable, therefore, can not the bulk information in the shiploads of merchandise transaction be carried out in the message tube, has limited electronic-weighing weighing apparatus expandable functions greatly.
Prior art also have a kind of in the supermarket widely used POS electronic cash register, this electronic cash register is by the bar code of electron scanning input commodity, after microprocessor moves processing, show the extensive stock total price, and go out the single client of giving of cash register by printer prints.
This POS electronic cash register does not have function of weighing, can not carry out the special feature operation of professional domain, for example: order, repairing, sample, return goods, get goods, tare weight, loss, subtract cash pledge, deposit, draft bank, processing charges and statistical report form etc., function is more single.
Summary of the invention
The purpose of this utility model provides a kind of Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, and the high precision performance that it has quick sampling, high-speed computation and weighs can satisfy the requirement of Weighing; And possess and be applicable to the various lines of Cashmere and Woolens and customization the weighing of knit goods, cash register, printing client document and various statistical report form function; The user can be voluntarily option dealing flow process flexibly, can preserve data and information management automatically by the bulk information in commodity transaction to Cashmere and Woolens knit goods and line, improve the efficiency of management of enterprise greatly, and can prevent that artificial graft and embezzlement incident from taking place, thereby improved the performance of enterprises.
The weigh purpose of cash register information management all-in-one of the utility model Cashmere and Woolens knit goods and line is achieved through the following technical solutions: a kind of Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing comprises: casing, be arranged on microprocessor in the casing, pass through I
2The real-time clock that the C bus is connected with microprocessor and memory circuit, analog to digital conversion circuit, the LOAD CELLS that is connected with analog to digital conversion circuit, the power circuit that is connected with each circuit, the keyboard that is arranged on the casing front, the printer that is arranged on casing one side that are connected with microprocessor by spi bus, be separately positioned on the casing front and back LCDs, be arranged on the just basifacial cash box of casing; Be characterized in that described keyboard is the keyboard of 56 buttons; Also comprise a keyboard drive circuit, LCDs driving circuit, communication interface;
Described keyboard drive circuit, LCDs driving circuit pass through I
2The C bus is connected with microprocessor, keyboard drive circuit, LCDs driving circuit are connected with LCDs with keyboard by data bus respectively, microprocessor reads the button value data by the keyboard drive circuit, shows related data by the LCDs driving circuit on LCDs;
Described communication interface is connected with microprocessor by the receiving and transmitting signal line, and the receiving and transmitting signal end of communication interface is connected with the receiving and transmitting signal end of printer, microprocessor control printer prints;
The control end of described microprocessor is connected with the control end of cash box, the unlatching of microprocessor control cash box.
Above-mentioned Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, wherein, described keyboard is by commodity key [numbering 01 to 20], numerical key [0-9], sell operating key [sale], [order], [repairing], [sample], [getting goods], [return of goods], [order], [repairing], [sample], dedicated array of keys [draft bank], [tare weight], [loss], [amount of money], [unit price], [processing charges], [+cash pledge], [cash pledge], function key [A], [B], [setting], [affirmation], [zero setting], [removing], [date], [the real receipts], [printing] and gather key [form 1 ］, [form 2], [form 3] formed.
Above-mentioned Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, wherein, numbering 18 to 20 be a special keys in the described commodity key, this special keys be respectively order], [repairing], [sample].
Above-mentioned Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, wherein, described keyboard drive circuit adopts ZLG7290 keyboard driver chip, and the data terminal SDA and the clock end SCL of keyboard driver chip pass through I respectively
2The C bus is connected with clock end SCL with the data terminal SDA of microprocessor, 7 input ends of keyboard drive chip respectively with each line unit of keyboard in and the corresponding connection in a contact that connects, 8 output terminals of keyboard drive chip are respectively by in each row key of resistance and keyboard and the corresponding connection in another contact that connects, but keyboard driver chip sampled scan 7X8 matrix press-key keyboard, microprocessor passes through I
2C bus and keyboard driver chip read the button value data.
Above-mentioned Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, wherein, described LCDs driving circuit adopts PCF8576D liquid crystal driver chip, and the data terminal SDA and the clock end SCL of liquid crystal driver chip pass through I respectively
2The C bus is connected with clock end SCL with the data terminal SDA of microprocessor, and 40 display segment output terminals of liquid crystal driver chip are connected with the backplane end is corresponding with each display segment end of LCDs respectively with 4 backplane output terminals.
Above-mentioned Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, wherein, described communication interface adopts the RS-232 transponder chip, the RS-232 transponder chip is connected with microprocessor with transmission signal wire TXD by received signal line RXD, and the receiving and transmitting signal end of RS-232 transponder chip is connected with the signal end of printer.
The utility model Cashmere and Woolens knit goods and line are weighed cash register information management all-in-one owing to adopted above-mentioned technical scheme, make it compared with prior art, have following advantage and good effect:
1. the utility model owing to be provided with is applicable to the specialty keyboard of the weighing of Cashmere and Woolens knit goods and line, cash register, printing client document and various statistical report form functions, make business personnel easy to use in transaction at Cashmere and Woolens knit goods and line, make the leader of enterprise can the same day obtain various information in the business, improved the efficiency of management.
2. the utility model is owing to be provided with powerful microprocessor, real-time clock and storage circuit, the user can be voluntarily option dealing flow process flexibly, can automatic data collection, preserve data, print client's document and various statistical report forms etc.
3. the utility model is owing to be provided with special-purpose software control procedure, send print signal by the microprocessor may command after, open cash box more automatically, thereby the graft and embezzlement incident that can prevent business personnel takes place.
4. the utility model can show and print the various information in operation and management owing to disposed LCDs and printer interface and printer.
Description of drawings
Fig. 1 is the weigh surface structure synoptic diagram of cash register information management all-in-one of the utility model Cashmere and Woolens knit goods and line.
Fig. 2 is the weigh circuit block diagram of cash register information management all-in-one of the utility model Cashmere and Woolens knit goods and line.
Fig. 3 is the utility model Cashmere and Woolens knit goods and line weigh the keyboard drive circuit of cash register information management all-in-one and the circuit theory diagrams of keyboard.
Fig. 4 is the weigh schematic appearance of LCDs of cash register information management all-in-one of the utility model Cashmere and Woolens knit goods and line.
Fig. 5 is the weigh schematic appearance of keyboard of cash register information management all-in-one of the utility model Cashmere and Woolens knit goods and line.
Embodiment
See also shown in Figure 1, Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing comprises: casing 1, be arranged on the casing top pan of a steelyard 2, be separately positioned on the casing front and back LCDs 3, be arranged on the casing front keyboard 4, be arranged on casing one side printer 5, be arranged on printer 5 belows level meter 6, be arranged on the just basifacial cash box 7 of casing; The LCDs 3 that is arranged on the casing front and back is to adopt same LCDs 3, the model of this product is 6N614MUF, LCDs 3 in the casing front is to operate demonstration to the salesman to watch, the LCDs 3 of box back surface (on figure, not indicating), be that the salesman is shown to client when operating and watches, also be provided with power plug wire 16 at box back surface, this attaching plug one end is electrically connected with the city, the other end of the power lead power circuit 15 interior with being arranged on casing is connected, this power circuit 15 is connected with each chip circuit, and working power is provided.
See also shown in Figure 2ly, microprocessor 8, real-time clock and memory circuit 9, LOAD CELLS 10, analog to digital conversion circuit 11, keyboard drive circuit 12, LCDs driving circuit 13, communication interface 14 and power circuit 15 are set in casing.
In the present embodiment, microprocessor 8 adopts STC89C516RD+ microprocessor chip 8, and real-time clock and memory circuit 9 adopt FM31256 real-time clock and ferroelectric memory chip 9; The 8th pin P1.7 data terminal SDA, the 7th pin P1.6 clock signal terminal SCL of microprocessor chip 8 pass through I
2The C bus is connected with the 13rd pin clock signal terminal SCL with the 12nd pin data terminal SDA of real-time clock and ferroelectric memory chip 9 respectively.Clock circuit in FM31256 real-time clock and the ferroelectric memory chip 9 provides the correct current time for Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, in print procedure, also can call current date and time, and can be according to exchange hour date checking posting and thing consistent.FM31256 real-time clock and ferroelectric memory chip 9 have power-off protection function, can be used for the data that every needs outage such as store various kinds of data, Transaction Information print What, report messages management is preserved.The 8th pin of FM31256 real-time clock and ferroelectric memory chip 9 also is connected a backup battery 91, this backup battery 91 is the battery of 3.6V, its model is ER1425, in outage, this backup battery 91 provides working power to real-time clock and ferroelectric memory chip 9, the real-time clock function of real time clock clock and ferroelectric memory chip 9 is worked on, and the time of guaranteeing is accurate.
The model that LOAD CELLS 10 adopts is CZL-A-8, analog to digital conversion circuit 11 adopts high precision delta sigma CS5550 analog to digital converter chip 11, and the differential input signal anode of LOAD CELLS 10 is connected with the 15th pin input end with the 16th pin of analog to digital converter chip 11 respectively with the differential input signal negative terminal.The both ends of power of LOAD CELLS 10 is connected with ground with+5V respectively.
The 23rd pin serial input terminal SDI of analog to digital converter chip 11, the 6th pin serial output terminal SDO, the 5th pin serial clock terminal SCK are connected with the 1st pin P1.0 end, the 2nd pin P1.1 end, the 3rd pin P1.2 serial clock terminal SCK of microprocessor chip 8 by spi bus, and the 20th pin look-at-me end INT of analog to digital converter chip 11 is connected with the 13rd pin P3.3 look-at-me end INTl of microprocessor chip 8.Analog to digital converter chip 11 adopts be one have can with the serial spi bus interface of microprocessor both-way communication.
The input end of LOAD CELLS 10 is connected with positive direct-current power supply 5V, output terminal just has the signal output of a millivolt level, its semaphore is one-to-one relationship with extraneous weight of adding up, weight signal is converted to voltage signal (being simulating signal) through LOAD CELLS 10, and then imports digital to analog converter chip 11 into; Since adopt the high-precision adc chip, interference-free for guaranteeing the AD signal, analog to digital converter chip 11 is installed on the independent circuit board, and adopts shielding case that this circuit board and outside electromagnetic interference are isolated.Claimed weight signal input microprocessor 8 after analog to digital converter 11 amplifies conversion of thing,, can be satisfied the requirement of Weighing because analog to digital converter 11 possesses high precision and high stability; And possess arithmetic speed and sample rate far above general weight display, can satisfy the requirement of High-speed Control.
Adopt commercially available cash box 7 in the present embodiment, its model is HS400B2S, and the control signal end of microprocessor chip 8 is connected by the control end of lead with the relay of cash box 7.The 5th pin P1.4 of microprocessor chip 8 is connected with the control signal end of cash box 7, and microprocessor chip 8 sends pulse control signal to cash box 7, and control cash box 7 is opened.
Please cooperate referring to shown in Figure 3, in the present embodiment, keyboard drive circuit 12 adopts can be to the I that has of keyboard management and control
2The ZLG7290 keyboard driver chip 12 of C bus interface, the 19th pin clock end SCL of the 20th pin data terminal SDA of keyboard driver chip 12 and keyboard drive chip 12 passes through I respectively
2The C bus is connected with the 7th pin P1.6 clock end SCL with the 8th pin P1.7 data terminal SDA of microprocessor chip 8; The 14th pin look-at-me end INT of keyboard driver chip 12 is connected with the 12nd pin P3.2 look-at-me end INT0 of microprocessor chip 8.
Keyboard is the keyboard 4 of 7X8 matrix 56 buttons, every row has eight keys, line up seven row, be J1 to J8, J9 to J16, J17 to J24, J25 to J32, J33 to J40, J41 to J48, J49 to J56, a contact and connecing in each key of every line unit, in each key of every line unit in the lump contact be connected with the 23rd pin Seg1, the 24th pin Seg2, P1 pin Seg3, the 2nd pin Seg4, the 7th pin Seg5, the 8th pin Seg6, the 9th pin Seg7 of ZLG7290 keyboard driver chip 12 by data line respectively; Another contact of each key of every row key also connects, and the also contact of every row key is connected with the 13rd pin Dig7, the 12nd pin Dig6, the 21st pin Dig5, the 22nd pin Dig4, the 3rd pin Dig3, the 4th pin Dig2, the 5th pin Dig1, the 6th pin Dig0 of keyboard driver chip 12 by resistance R 1, R2, R3, R4, R5, R6, R7, R8 respectively.At the 15th pin and the connecting resistance R421 and capacitor C 403 1 ends of keyboard driver chip 12, the other end of resistance R 421 and capacitor C 403 is connected with ground with the 5V power supply respectively, and resistance R 421 and capacitor C 403 constitute reset circuit, are used for the data zero clearing.Connect crystal oscillator Y401 between the 18th pin of keyboard driver chip 12 and the 17th pin, be connected capacitor C 401 and C402 respectively between crystal oscillator Y401 two ends and ground, crystal oscillating circuit provides timeticks work, and structure is comparatively simple.
The I of keyboard driver chip 12
2The C interface transfer rate can reach 32Kbit/S, easy and Microprocessor Interface.And keyboard interrupt signal is provided, improve the primary processor time efficiency.
Please cooperate referring to shown in Figure 4, in the present embodiment, LCDs driving circuit 13 adopts has I
2The PCF8576D liquid crystal driver chip of C serial bus interface, the 44th pin data terminal SDA of this chip and the 45th pin clock end SCL pass through I respectively
2The C bus is connected with the 7th pin P1.6 clock end SCL with the 8th pin P1.7 data terminal SDA of microprocessor chip 8.LCDs driving circuit 13 is that 40 display segment output terminals of PCF8576D liquid crystal driver chip 13 are connected with the backplane end is corresponding with LCDs 3 each display segment end by lead respectively with 4 backplane output terminals.
In the present embodiment, PCF8576D liquid crystal driver chip 13 is a kind of general peripheral components, and it can directly drive LCDs LCD demonstration, contains output of 4 road backplanes and the output of 40 road display segments.Flowing of internal data in the sequential control of PCF8576D liquid crystal driver chip 13, comprise that video data arrives the display segment output terminal from display-memory, under the sequential effect, can also produce LCDs LCD frame signal (its frequency is determined by clock frequency).By to the clock frequency of inside or external clock fixedly frequency division obtain the frame signal frequency.But microprocessor chip 8 is by liquid crystal driver chip 13 display of commodity sequence number, net weight, unit price, total price and status information pilot lamp and various consolidated statement on LCDs.
Liquid crystal driver chip 13 is by the I of " two wires " structure
2The C bus is communicated by letter with microprocessor chip 8.I
2The communication mode of the two wires of C bus, " two wires " are meant a serial data line (SDA) and a serial time clock line (SCL), and data transmission procedure is at I
2Starting when the C bus is idle.After powering on, PCF8576D liquid crystal driver chip 13 resets to original state, and electrification reset finishes to postpone to carry out I behind the 2MS
2The transmission of C bus data.
The weigh circuit theory of cash register information management all-in-one of Cashmere and Woolens knit goods and line is, when the weight signal that is claimed thing amplifies through analog to digital converter 11, carry out the digital signal input microprocessor chip 8 that the AD analog to digital conversion obtains, microprocessor chip 8 calculates gravimetric value by linear relationship, meanwhile, multiply by acquisition amount of money value mutually according to the corresponding unit price of instruction calls of keyboard 4 inputs and with gravimetric value, subsequently with gravimetric value, the value of information that keyboard calls, storages such as the amount of money are got up, and show every data by LCDs 3, export various documents by communication interface 14 by printer 5, and only after pressing printing key, microprocessor 8 just sends the unlatching control signal to cash box 7, cash box is promptly opened, and puts into gathering.
Please cooperate referring to shown in Figure 5, keyboard is by commodity key [numbering 01 to 20], and wherein, numbering 18 to 20 is a special keys in the commodity key, and this special keys is respectively [order], [repairing], [sample]; Numerical key [0-9]; Sell operating key [sale], [order], [repairing], [sample], [getting goods], [return of goods], [order], [repairing], [sample]; Dedicated array of keys [draft bank], [tare weight], [loss], [amount of money], [unit price], [processing charges], [+cash pledge], [cash pledge]; Function key [A], [B], [setting], [affirmation], [zero setting], [removing], [date], [the real receipts], [printing]; Gathering key [form 1], [form 2], [form 3] and a plurality of spare key forms.
Cashmere and Woolens knit goods and line are weighed cash register information management all-in-one according to the control program of working out in advance, but user's direct control keyboard is used for sale and operation control, uses very convenient.The weigh using method of cash register information management all-in-one of Cashmere and Woolens knit goods and line is as follows:
When using Cashmere and Woolens knit goods and line to weigh cash register information management all-in-one, at first carry out default: initialization electronic scale, name of an article setting, the setting of bill organization, system time setting, weight are demarcated calibration.
Then, can sell operation.
Sell hair (mode of weighing):
On pan of a steelyard, put into wool and weigh, show weight;
Press name of an article key, the display of commodity sequence number;
Press the tare weight key, the input tare weight shows weight;
Press ordinary linkage, the input unit price shows unit price;
Press acknowledgement key,, show amount receivable to confirm input;
By the real key of receiving, input actual money;
Press printing key, print bill and give the client;
Automatically open cash box simultaneously, put into gathering.
Order goods:
Press name of an article key, the display of commodity sequence number;
By the order key, show order project sequence number;
By the draft bank key, input draft bank numeral shows the draft bank numeral;
By+the cash pledge key, input cash pledge number shows the cash pledge number;
Press acknowledgement key, to confirm input;
By the real key of receiving, the input actual money shows actual money;
Press printing key, print bill and give the client;
Automatically open cash box simultaneously, put into cash pledge.
Repair:
Press name of an article key, the display of commodity sequence number;
By repairing key, show repairing project sequence number;
By the draft bank key, input draft bank numeral shows the draft bank numeral;
Press amount key, the input amount of money shows amount of money number;
Press acknowledgement key, to confirm input;
By the real key of receiving, the input actual money shows actual money;
Press printing key, print bill and give the client;
Automatically open cash box simultaneously, put into actual money.
Sample is sold:
Press name of an article key, the display of commodity sequence number;
Press the sample key, show sample project sequence number;
Press amount key, the input sample amount of money shows amount of money number;
Press acknowledgement key, to confirm input; And demonstration amount receivable;
By the real key of receiving, the input actual money shows actual money;
Press printing key, print bill and give the client;
Automatically open cash box simultaneously, put into actual money.
The goods of getting customized:
Put knitting finished product, carry out weighing; Show knitting finished weight;
Press the goods key, show and get goods project sequence number;
By the draft bank key, input draft bank numeral shows the draft bank numeral;
By the loss key, input active loss weight shows active loss weight;
Press ordinary linkage, the input unit price shows unit price;
By the processing charges key, input processing charges amount of money number shows the processing charges amount of money;
By-the cash pledge key, input-cash pledge number, demonstration-cash pledge number;
Press acknowledgement key, to confirm input; And demonstration amount receivable;
By the real key of receiving, the input actual money shows actual money;
Press printing key, print bill and give the client;
Automatically open cash box simultaneously, put into actual money.
Cashmere and Woolens knit goods and line weigh cash register information management all-in-one can also carry out the non-mode of weighing sell hair operation, repair get the goods operation, the operation of returning goods, comprise in the return of goods: the return of goods of ordering goods, the repairing return of goods, sample are returned goods, sell the hair return of goods (mode of weighing), are sold mao return of goods (the non-mode of weighing), above-mentioned all operations operation all should be undertaken by the operating process of setting, and uses very easy.
Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing can also gather the various data in the business activities, prints various forms, is convenient to operator's management.Comprising:
Press setting key, pilot lamp is bright, presses form 1 key, prints detailed operating statement combined data on the same day;
Press clear key, pilot lamp does not work, and presses form 1 key, prints Sales Reports combined data on the same day;
According to program setting, above-mentioned printing reports functional software is set and can only can be printed behind the 17:00 in every day.
In sum, the utility model is owing to be provided with the dedicated operations keyboard that is suitable for this operation field on complete machine, and be equipped with special-purpose control program, possess the function that is applicable to the weighing of Cashmere and Woolens knit goods and line, cash register, printing client document and various statistical report forms; Can preserve data and information management automatically by the bulk information in commodity transaction to Cashmere and Woolens knit goods and line, improve the efficiency of management of enterprise greatly, and can prevent that artificial graft and embezzlement incident from taking place, thereby improve the performance of enterprises.
Claims (6)
1. Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing comprises: casing, be arranged on microprocessor in the casing, pass through I
2The real-time clock that the C bus is connected with microprocessor and memory circuit, analog to digital conversion circuit, the LOAD CELLS that is connected with analog to digital conversion circuit, the power circuit that is connected with each circuit, the keyboard that is arranged on the casing front, the printer that is arranged on casing one side that are connected with microprocessor by spi bus, be separately positioned on the casing front and back LCDs, be arranged on the cash box of lower box; It is characterized in that: described keyboard is the keyboard of 56 buttons; Also comprise a keyboard drive circuit, LCDs driving circuit, communication interface;
Described keyboard drive circuit, LCDs driving circuit pass through I
2The C bus is connected with microprocessor, keyboard drive circuit, LCDs driving circuit are connected with LCDs with keyboard by data bus respectively, microprocessor reads the button value data by the keyboard drive circuit, shows related data by the LCDs driving circuit on LCDs;
Described communication interface is connected with microprocessor by the receiving and transmitting signal line, and the receiving and transmitting signal end of communication interface is connected with the receiving and transmitting signal end of printer, microprocessor control printer prints;
The control end of described microprocessor is connected with the control end of cash box, the unlatching of microprocessor control cash box.
2. according to claim 1 described Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, it is characterized in that: described keyboard is by commodity key [numbering 01 to 20], numerical key [0-9], sell operating key [sale], [order], [repairing], [sample], [getting goods], [return of goods], [order], [repairing], [sample], dedicated array of keys [draft bank], [tare weight], [loss], [amount of money], [unit price], [processing charges], [+cash pledge], [cash pledge], function key [A], [B], [setting], [affirmation], [zero setting], [removing], [date], [the real receipts], [printing] and gather key [form 1], [form 2], [form 3] formed.
3. according to claim 2 described Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, it is characterized in that: numbering 18 to 20 is special keys in the described commodity key, and this special keys is respectively [order], [repairing], [sample].
4. according to claim 1 described Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, it is characterized in that: described keyboard drive circuit adopts ZLG7290 keyboard driver chip, and the data terminal SDA and the clock end SCL of keyboard driver chip pass through I respectively
2The C bus is connected with clock end SCL with the data terminal SDA of microprocessor, 7 input ends of keyboard drive chip respectively with each line unit of keyboard in and the corresponding connection in a contact that connects, 8 output terminals of keyboard drive chip are respectively by in each row key of resistance and keyboard and the corresponding connection in another contact that connects, but keyboard driver chip sampled scan 7X8 matrix press-key keyboard, microprocessor passes through I
2C bus and keyboard driver chip read the button value data.
5. according to claim 1 described Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, it is characterized in that: described LCDs driving circuit adopts PCF8576D liquid crystal driver chip, and the data terminal SDA and the clock end SCL of liquid crystal driver chip pass through I respectively
2The C bus is connected with clock end SCL with the data terminal SDA of microprocessor, and 40 display segment output terminals of liquid crystal driver chip are connected with the backplane end is corresponding with each display segment end of LCDs respectively with 4 backplane output terminals.
6. according to claim 1 described Cashmere and Woolens knit goods and the line cash register information management all-in-one of weighing, it is characterized in that: described communication interface adopts the RS-232 transponder chip, the RS-232 transponder chip is connected with microprocessor with transmission signal wire TXD by received signal line RXD, and the receiving and transmitting signal end of RS-232 transponder chip is connected with the signal end of printer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200665585U CN201017403Y (en) | 2007-01-23 | 2007-01-23 | Cashmere and fleece knit goods, and lines weighing and cash information management integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200665585U CN201017403Y (en) | 2007-01-23 | 2007-01-23 | Cashmere and fleece knit goods, and lines weighing and cash information management integrated machine |
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| Publication Number | Publication Date |
|---|---|
| CN201017403Y true CN201017403Y (en) | 2008-02-06 |
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| CNU2007200665585U Expired - Fee Related CN201017403Y (en) | 2007-01-23 | 2007-01-23 | Cashmere and fleece knit goods, and lines weighing and cash information management integrated machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108596590A (en) * | 2018-04-28 | 2018-09-28 | 盐城工业职业技术学院 | letter pricing device and method |
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2007
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108596590A (en) * | 2018-04-28 | 2018-09-28 | 盐城工业职业技术学院 | letter pricing device and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080206 Termination date: 20140123 |