CN1121023C - Drinking water machine - Google Patents
Drinking water machine Download PDFInfo
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- CN1121023C CN1121023C CN 99117094 CN99117094A CN1121023C CN 1121023 C CN1121023 C CN 1121023C CN 99117094 CN99117094 CN 99117094 CN 99117094 A CN99117094 A CN 99117094A CN 1121023 C CN1121023 C CN 1121023C
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Abstract
The present invention discloses a drinking water machine which comprises a machine body and a circuit system, wherein the circuit system comprises a power supply circuit, a display circuit, a cold / hot water supply circuit, a counter circuit, a cold/ hot water switch input circuit, an IC card control circuit, an IC card power supply control circuit, a powered on reset circuit, a machine oscillation circuit, a central processor, etc. The power supply circuit is connected with the central processor, the display circuit and the IC card control circuit, and the input and the output ends of the IC card control circuit are respectively connected with the output and the input ends of the central processor. When a correct IC card is inserted into the present invention and has corresponding command, the present invention supplies water and counts for withholding payment. The present invention is suitable for being used at public places.
Description
Technical field
The present invention relates to a kind of water dispenser.
Background technology
General water dispenser is the plain edition water dispenser at present, and the water dispenser of these models outside the simple functions such as heating or refrigeration, does not have intelligent function except water storage is arranged, and can not sell water automatically, thereby can't use in public places such as school, office, units.
Summary of the invention
Purpose of the present invention is exactly in order to overcome the above problems, and a kind of water dispenser is provided, and is implemented in and sells water, easy to use, health under the unattended situation automatically.
The present invention realizes that the scheme of above-mentioned purpose is: a kind of water dispenser, comprise body and Circuits System, reserve tank, well heater, refrigerator are arranged in the body, it is characterized in that: described Circuits System comprises: feed circuit, display circuit, cold/heat are given water circuit sum counter circuit, cold/hot water switch input circuit, IC-card control and IC-card power-supplying circuit, electrify restoration circuit, local-oscillator circuit, central processing unit; Wherein feed circuit link to each other with central processing unit, display circuit, IC-card control circuit, for it provides power supply; The output terminal of cold/hot water switch input circuit, electrify restoration circuit, local-oscillator circuit links to each other with the input end of central processing unit; Display circuit, cold/heat link to each other for the input end of water circuit sum counter circuit with the output terminal of central processing unit; IC-card control circuit part in IC-card control and the IC-card power-supplying circuit then is connected with central processing unit is two-way, and promptly its input, output terminal link to each other with output, the input end of central processing unit respectively.
Owing to adopted above scheme, when IC-card inserted, central processing unit detected remaining water volume that can be utilized on the IC-card, when residual value and cold/hot water switch have corresponding switching manipulation, send instruction for water circuit sum counter circuit to cold/heat, feedwater is also deducted Stored Value from card.Can realize like this selling water automatically, thereby make this water dispenser be suitable in public situation such as school, office, unit, using.Owing to be to sell water automatically, the people does not contact the water in the water dispenser, thereby can guarantee health.
Description of drawings
Fig. 1 is an embodiment of the invention circuit theory synoptic diagram.
Fig. 2 is the feed circuit synoptic diagram.
Fig. 3 is the display circuit synoptic diagram.
Fig. 4,5,6 is respectively hot water feedwater, cold water feedwater sum counter circuit diagram
Fig. 7 is a central processing unit output impulse level synoptic diagram when water flows out.
Fig. 8 is 32 grades of multiplying power input circuit synoptic diagram.
Fig. 9 is 8 grades of this machine numbering sign indicating number input circuit synoptic diagram.
Figure 10 hot and cold water switch input circuit synoptic diagram.
Figure 11 is IC-card control section and IC-card feed circuit synoptic diagram.
Figure 12 electrify restoration circuit synoptic diagram.
Figure 13 is the local-oscillator circuit synoptic diagram.
Software main program schematic flow sheet in Figure 14 embodiment of the invention.
Figure 15 is a reset processing program circuit synoptic diagram.
Figure 16 is that cold water switch detects the subroutine schematic flow sheet.
Figure 17 is that hot-water switch detects the subroutine schematic flow sheet.
Figure 18 is that plug-in card detects the subroutine schematic flow sheet.
Figure 19 reads IC-card label subroutine schematic flow sheet.
Figure 20 is a checking IC-card codon program circuit synoptic diagram.
Figure 21 is a prepaid record subroutine schematic flow sheet.
Figure 22 normally exports the calendar subroutine schematic flow sheet.
Figure 23 is an I/O output schematic flow sheet.
Figure 24 shuts down the testing process synoptic diagram.
Figure 25 shuts down the judgment processing schematic flow sheet.
Figure 26-the 30th, the physical circuit synoptic diagram of the embodiment of the invention respectively.
Embodiment
Also the present invention is described in further detail in conjunction with the accompanying drawings below by specific embodiment.
Embodiment one: see Fig. 1, shown in the IC-card water dispenser comprise body and Circuits System, reserve tank, well heater or refrigerator (both all have or have only one) are arranged in the body, described Circuits System comprises: feed circuit 110, display circuit 120, cold/heat give water circuit sum counter circuit 130, cold/hot water switch input circuit 160, IC-card control and IC-card power-supplying circuit 170, electrify restoration circuit 180, local-oscillator circuit 190, central processing unit 100 (for ease of describing, in following examples, central processing unit 100 is called for short CPU 100); Wherein feed circuit 110 link to each other with central processing unit 100, display circuit 120, IC-card control circuit, for it provides power supply; The output terminal of cold/hot water switch input circuit 160, electrify restoration circuit 180, local-oscillator circuit 190 links to each other with the input end of central processing unit 100; Display circuit 120, cold/heat link to each other for the input end of water circuit sum counter circuit 130 with the output terminal of central processing unit 100; IC-card control circuit part in IC-card control and the IC-card power-supplying circuit 170 then with 100 two-way connections of central processing unit, promptly its input, output terminal link to each other with output, the input end of central processing unit 100 respectively.
In addition, also comprise multiplying power input circuit 140, this machine numbering sign indicating number input circuit 150 in the circuit.
Below the circuit each several part is described.1, feed circuit
As Fig. 2, feed circuit are made up of 4 of transformer T1 rectifier diodes (D10, D11, D12, D13), filter capacitor E5 and C6, voltage stabilizer (7805), decoupling capacitance E4 and C etc.Transformer is imported by 220VA, exports about 1VAC alternating current and carries out full-wave rectification by commutation diode D10, D11, D12, D13.Carry out filtering with E5, C6 again and obtain about 12VDC DC voltage.This 12VDC DC voltage is supplied with the water circuit relay on the one hand and is used.As 7805 voltage stabilizing integrators input power supply, this 12V direct supply input is arranged on the other hand, 7805 will export stable+5V direct supply, use E4 again, and the C4 decoupling is as its whole power supply.(comprising CPU, LCD card power supply etc.).2, liquid crystal display circuit: (being integrated in the module)
Display circuit 120 in this example is liquid crystal display, and diagram abbreviates LCD as.Be not difficult to find out, also be fine with other display modes.
As seen from Figure 3, it comprises with the lower part:
1) data and order input, output
2) control section
3) liquid crystal drive part
4) lcd contrast is regulated
5) liquid-crystalline glasses minute surface
6) the former part of bias light
Liquid-crystal display section is integrated in the module.This module comprises two row, 16 site battle array character display.(each character 7 * 5 matrix) are totally 32 characters, show that contrast control is by R1, the decision of R2 ratio.This LCD MODULE has 16 pins, and wherein: 1 pin VSS ground wire, 2 pin VDD positive supply pin, 3 pin show that contrast controls 4 pin data or instruction, selection signal 5 pin read-writes and control 6 pin chip selection signals control 7-14 pin data line, 15 pin LED ground, 16 pin LED positive supplies 3, the hot water or cold water sum counter circuit that feeds water.
See Fig. 4,5,6 respectively, described cold/heat comprises relay 131-1,131-2,131-3, hot water electromagnetic valve 132, cold water solenoid valve 133, counter 134 respectively for water circuit sum counter circuit; Relay 131-1,131-2,131-3 link to each other with central processing unit 100 respectively, accept its control signal, and and then control hot water electromagnetic valve 132, cold water solenoid valve 133, counter 134 work.
The hot water or cold water is by the CPU pilot relay to water circuit.Must be worked by the 220VAC alternating current by relay control, the solenoid valve water swivel is finished forever again.Counter circuit is finished by the counter of relay control palpus 220VAC alternating current work by the CPU pilot relay again.Concrete circuit is as follows: at waiting status CPU6,7,8 pin output low level RL1, RL2, RL3 do not work (often opening) hot water electromagnetic valve, cold water solenoid valve, counter does not all have electric current to pass through.The hot water or cold water closes, and counter is not beated.The CPU8 pin can be exported high level N2 conducting when putting hot water.RL1 relay work (closure) hot water electromagnetic valve has alternating current to pass through.Solenoid valve can equally there are flowing out as water swivel in the effect of magnetic force.Become low level up to CPU8 output.
When putting cold water, the CPU7 pin can be exported high level N3 conducting RL2 relay work (closure) cold water solenoid valve has alternating current to pass through.Solenoid valve can equally there are flowing out as water swivel in the effect of magnetic force.Become low level up to the output of CPU7 pin.
Hot water or put that the cold water accumulated time writes down with a message register.The CPU6 pin can be exported impulse level when hot water or cold water outflow, as Fig. 7.This pulse high level is 0.5S for the 5V width, and low level is 0V, and width is 1S for the 0.5S recurrence interval, up to stopping feedwater, CPU6 output low level.During pulse high level, the conducting of N4 triode.RL3 relay closes, counter have electric current to pass through.Counter has action, and during pulses low, the N4 triode ends, and the RL3 relay disconnects.The message register no current passes through.Message register is having electric current to finish+1 counting in by the process of passing through with no current.The 1 second time of every feedwater, counter all can add 1.Import during (9013 is models of triode among the figure) 4,32 grades of dynameters
See Fig. 8, multiplying power input circuit 140 output terminals link to each other with the input end of central processing unit 100; Described multiplying power input circuit 140 has many grades, sets by digital switch 141, represents different multiplying respectively, in this multiplier value input central processing unit 100, in the computing of central processing unit 100, the actual feedwater time be multiply by multiplying power, equals the deduction time in card; This IC-card is to be used for writing down a kind of medium how many discharge times the user also has.This discharge time is with weighing second.And in this machine system, increased a multiplying power device sum counter.This multiplying power has 32 grades, and per 0.5 times one grade, multiple is covered as 1-16.5 doubly.In the computing of CPU, reality is fed water the time (second) multiply by multiplying power.Equal the deduction time (second) in card, this multiplying power number is determined by a S4 digital switch gear.CPU can detect 18,19,20,21,22 pin level when extracting multiplying power.Counting when level is low is 0, and when level was high, counting was 1, and 22-18 pin level is lined up a bigit.22 pin are high-order, and 18 pin just are called the multiplying power number for low this number.Connect as Fig. 8.5,8 grades of this machine numbering sign indicating number importations
See Fig. 9, this machine numbering sign indicating number input circuit 150 output terminals link to each other with the input end of central processing unit 100, and it can be arranged to different numbers, so that water dispenser is numbered; It is set by digital switch 151, in its setting value input central processing unit 100.This product has the self-editing function, can be arranged to different numbers with a kind of product.Primary design can produce 00,01,02,03,04,05,06,07 totally 8 kinds of numbering sign indicating numbers.This numbering sign indicating number is used for discerning different card holders, has only card holder's card number sign indicating number and water dispenser numbering sign indicating number same case just can use water dispenser.Card number sign indicating number and water dispenser number can not use water dispenser simultaneously.As the card number sign indicating number is 01.Can not use at the water dispenser of 02 number.Water dispenser numbering sign indicating number is by wherein 3 gear decisions of digital switch, and these three gears can be input to CPU25,24,23 pin.These three gears connect high level or connect low level can directly influence CPU25,24,23 pin current potentials.CPU can detect 25,24,23 pin level when this machine of extraction numbering sign indicating number.Counting when level is low is 0, and counting when level is high is 1.It is whole that 25,24,23 pin level are lined up a binary number.This number is just as this machine numbering sign indicating number.6, hot water or cold water's switch importation
This machine has two to give taps, is divided into cold water switch 161 and hot-water switch 162.Press cold water switch 161, this chance is given cold water, presses hot-water switch 162, and this chance is given hot water.As Figure 10.At waiting state at ordinary times, cold water switch 161 and hot-water switch 162 are not pressed, and switch is unsettled, and the CPU14-15 pin is a high level.When cold water switch 161 was pressed, the CPU14 pin can become low level, when CPU detects 14 pin and is low level, thought that the user has pressed cold water switch 161, can do relevant work, when feedwater, and cold water solenoid valve work certainly.When hot-water switch 162 was pressed, the CPU13 pin can become low level, when CPU detects 13 pin and is low level, thought that the user has pressed hot-water switch 162, also does relevant work.Hot water electromagnetic valve's work certainly when feedwater.7, IC-card control section and IC-card feed circuit
See Figure 11, IC-card control and IC-card power-supplying circuit 170 comprise IC-card socket switch 171, be connected between IC-card socket and the central processing unit 100, also comprise triode N5, P1, wherein the base stage of triode N5 is connected in central processing unit 100 by resistance, grounded emitter, and collector connects the base stage of P1 by resistance, the base stage of P1 also by resistance be connected on the power supply after emitter links to each other, its collection utmost point then is connected to the Vcc end of IC-card socket.
IC-card control section and IC-card feed circuit are by CPU11,15,16,17,9 foot control systems, wherein 11 pin test card do not have not existence, 16 pin provide the IC-card clock signal, and 15 pin are CPU and IC-card communicated data signal line (I/O), and 17 pin are IC-card reset signal pin (being called for short RST).The power supply of IC-card is by CPU9 foot control system, when 9 pin are powered to IC-card when being high, when 9 pin when low, the IC-card non-transformer.
When IC-card inserted, the IC-card socket switch had effect, was sent to the CPU11 pin by lead, and CPU detects 11 these signals, through the certain hour time-delay, waited for that plug-in card is stable, and CPU9 pin output noble potential in the stable back of card makes the conducting of N5 triode.The N5 conducting re-uses the conducting of P1 triode.After the P1 conducting.+ 5V power supply can be delivered to IC-card VCC end, make IC-card work on power, the IC-card back CPU that powers on can carry out electrification reset by 16,17 pin and replys processing, afterwards, carry out the Card Reader data by 15,16 pin again, relatively company code, comparing data is tested sign indicating number, detect the service time that IC-card stores, carry out the checking of PSC sign indicating number, and suitably point out at LCD.8, electrify restoration circuit
See Figure 12, this reset circuit be at the initial period that powers on to the CPU28MCLRC resetting pin, the low level of an about 80ms is provided, make CPU inside effectively reset, E1, C5 are electric capacity among the figure.
Before powering on, the voltage of supposing the E1 two ends is 0, E1 can charge by resistance R 35 R37 N1 after energized, and the N1 base stage will have bigger electric current to pass through, and make the N1 saturation conduction, pressure CPU28 is a low level, in electric capacity E1 charging process, the E1 both end voltage can slowly rise, and the E1 both end voltage will reach VCC behind certain hour, at this moment E1 does not charge, and N1 base stage no current passes through.The N1 triode ends.At this moment VCC voltage can charge to C5 electric capacity by R36, approximates VCC voltage greatly at certain hour C5 voltage.R36 C5 decision during this duration of charging.After CPU28MCLR rose to VCC, at this moment external voltage settled out, and CPU also just in time comes into operation.9, local-oscillator circuit
As Figure 13, it is the oscillatory circuit of standard, connects a crystal oscillator XT at CPU27 26 pin, the square-wave signal that will to produce a frequency be XT.This square-wave signal uses for CPU as clock signal.10, CPU (central processing unit)
CPU100 is an IC-card water dispenser core component.Model is PIC16C57.Clock frequency
Be 4.194304MHZ.All I/O ports all can work in and input or output.I/O port output current can reach 25mA.CPU carries out our company's making software can finish following work: 1. electrification reset is handled.2. button detects, and plug-in card detects.This machine numbering sign indicating number reads.3. IC-card checking, IC-card data check, IC-card reading and writing data.4. detect the multiplying power setting, and can calculate the feedwater time by multiplying power.5. carry out numerical operation and numerical value system conversion (decimal system and Binary Conversion) and 6. carry out decoding of liquid crystal character and output liquid crystal display instruction.7. control cold and hot feedwater.8. the time signal that totally feeds water output.
Figure 26-the 30th, the physical circuit figure in the last example.Figure 26-30 is complete circuit diagrams, but clear in order to guarantee figure, and it is decomposed into five figure, and the pin that each number in the figure is identical links to each other.
The software section of above-mentioned IC-card water dispenser is shown in Figure 14-25.Below this is done an explanation.One, general introduction
The software of IC-card water dispenser central processor CPU (PIC 16C57RC/P) part is by electrification reset, formation partly such as when button detects, plug-in card detects, data authentication, encryption, comparison, read-write, liquid crystal display decoding, liquid crystal display output, sexadecimal number are with decimal number conversion, various data operation, various fixed response time in the card.Two, main software part
Main soft body divides the work process flow diagram, as shown in figure 14.Three, reset processing
Reset processing is that electrification reset is handled, and it is operated as shown in figure 15.Four, input detects
Input detects and comprises three subroutines: (1) cold water switch detects subroutine (2) hot-water switch and detects subroutine (3) plug-in card detection subroutine.Respectively as Figure 16,17,18.Five, state processing:
State processing comprises following 4 states: state 1: read IC-card tag state 2: checking IC-card password state 3: prepaid recording status 4: normally export timing
The process flow diagram of one of four states is respectively shown in Figure 19,20,21,22.Six, I/O output:
See Figure 23.Seven, shut down detection:
See Figure 24.Wherein the implication of " shutdown " is: the condition in diamond is set up, and promptly is called shutdown.Eight, shut down judgment processing:
See Figure 25.
Again the characteristics of IC used in the IC-card water dispenser in this example are described (model SLE4442) below:
1,1K bit EEPROM institutional framework
2, the address addresses with byte mode
3,32 bytes protection internal memory
4, two-wire connects agreement
5, write the maximum 5ms time of a byte
6, erasable 100,000 times
7, data can be preserved 10 years
8, other indexs meet 7816 standards
9, band security password Memory Allocation: (below be sexadecimal number)
The address: 08 09 0A, three bytes are our company's code 986986
Address: 0B is fabrication day
Address: 0C is the fabrication moon
Address: 0D is fabrication year
Address: 0E is the card rank
Address: 0F is the main card card number
The address: 1B 1C is the card lot number
Address: 1D is the card issuer code name
The address: 20 to 26 bytes are the use value recording areas.
Obviously, those skilled in the art can make some conspicuous modifications on basis of the present invention, but all should belong to protection scope of the present invention in the scope of application claim.
Claims (5)
1, a kind of water dispenser, comprise body and Circuits System, reserve tank, well heater or refrigerator are arranged in the body, it is characterized in that: described Circuits System comprises: feed circuit (110), display circuit (120), cold/heat are given water circuit sum counter circuit (130), cold/hot water switch input circuit (160), IC-card control and IC-card power-supplying circuit (170), electrify restoration circuit (180), local-oscillator circuit (190), central processing unit (100); Wherein feed circuit (110) link to each other with central processing unit (100), display circuit (120), IC-card control circuit, for it provides power supply; The output terminal of cold/hot water switch input circuit (160), electrify restoration circuit (180), local-oscillator circuit (190) links to each other with the input end of central processing unit (100); Display circuit (120), cold/heat link to each other for the input end of water circuit sum counter circuit (130) with the output terminal of central processing unit (100); IC-card control circuit part in IC-card control and the IC-card power-supplying circuit (170) then with two-way connection of central processing unit (100), promptly its input, output terminal link to each other with output, the input end of central processing unit (100) respectively.
2, water dispenser as claimed in claim 1 is characterized in that: described cold/heat comprises relay (131-1,131-2,131-3), hot water electromagnetic valve (132), cold water solenoid valve (133), counter (134) for water circuit sum counter circuit (130); Relay (131-1,131-2,131-3) links to each other with central processing unit (100) respectively, accepts its control signal, and and then control hot water electromagnetic valve (132), cold water solenoid valve (133), counter (134) work.
3, water dispenser as claimed in claim 1 or 2 is characterized in that: also comprise multiplying power input circuit (140), this machine numbering sign indicating number input circuit (150), its output terminal links to each other with the input end of central processing unit (100); Described multiplying power input circuit (140) has many grades, sets by digital switch (141), represents different multiplying respectively, in this multiplier value input central processing unit (100), in the computing of central processing unit (100), the actual feedwater time be multiply by multiplying power, equal the deduction time in card; Described machine numbering sign indicating number input circuit (150) can be arranged to different numbers, so that water dispenser is numbered; It is set by digital switch (151), in its setting value input central processing unit (100).
4, water dispenser as claimed in claim 1 or 2, it is characterized in that: IC-card control and IC-card power-supplying circuit (170) comprise IC-card socket switch (171), be connected between IC-card socket and the central processing unit (100), also comprise triode (N5, P1), the base stage of one of them triode (N5) is connected in central processing unit (100) by resistance, grounded emitter, collector connects the base stage of another triode (P1) by resistance, the base stage of another triode (P1) also by resistance be connected on the power supply after emitter links to each other, its collection utmost point then is connected to the Vcc end of IC-card socket.
5, water dispenser as claimed in claim 3, it is characterized in that: IC-card control and IC-card power-supplying circuit (170) comprise IC-card socket switch (171), be connected between IC-card socket and the central processing unit (100), also comprise triode (N5, P1), the base stage of one of them triode (N5) is connected in central processing unit (100) by resistance, grounded emitter, collector connects the base stage of another triode (P1) by resistance, the base stage of another triode (P1) also by resistance be connected on the power supply after emitter links to each other, its collector then is connected to the Vcc end of IC-card socket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117094 CN1121023C (en) | 1999-09-15 | 1999-09-15 | Drinking water machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99117094 CN1121023C (en) | 1999-09-15 | 1999-09-15 | Drinking water machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1288212A CN1288212A (en) | 2001-03-21 |
| CN1121023C true CN1121023C (en) | 2003-09-10 |
Family
ID=5279740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99117094 Expired - Fee Related CN1121023C (en) | 1999-09-15 | 1999-09-15 | Drinking water machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1121023C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102842184A (en) * | 2012-09-27 | 2012-12-26 | 天津泉洁科技有限公司 | Purified water and liquid drinks automatic manufacturing and selling multimedia integrated machine |
-
1999
- 1999-09-15 CN CN 99117094 patent/CN1121023C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1288212A (en) | 2001-03-21 |
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