CN105919428A - Temperature regulation control system of beverage dispenser and temperature regulation control method thereof - Google Patents
Temperature regulation control system of beverage dispenser and temperature regulation control method thereof Download PDFInfo
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- CN105919428A CN105919428A CN201610475370.XA CN201610475370A CN105919428A CN 105919428 A CN105919428 A CN 105919428A CN 201610475370 A CN201610475370 A CN 201610475370A CN 105919428 A CN105919428 A CN 105919428A
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- beverage machine
- chip microcomputer
- temperature
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a temperature regulation control system of a beverage dispenser. The temperature regulation control system comprises a singlechip, a power circuit, a temperature sensor, a key circuit, an H bridge circuit, an OLED (organic light-emitting diode) display circuit and a load driving circuit, wherein the singlechip is electrically connected with the temperature sensor, the key circuit, the H bridge circuit, the OLED display circuit and the load driving circuit; the singlechip, the temperature sensor, the key circuit, the H bridge circuit, the OLED display circuit and the load driving circuit are connected with the power circuit. The invention also provides a temperature regulation control method of the temperature regulation control system of the beverage dispenser. By virtue of the OLED display circuit and the key circuit, man-machine interaction is realized so as to start a heating/refrigeration function; by virtue of the forward/reverse current of the H bridge circuit, a heating/refrigeration process of a refrigeration plate of the beverage dispenser is realized. By virtue of the technical scheme of the invention, the temperature regulation control system is powerful in function, simple to operate, favorable in heat dissipation, stable in operation and good in reliability, and is capable of realizing the automatic temperature regulation of beverages.
Description
Technical field
The present invention relates to beverage machine technical field, particularly relate to a kind of beverage machine control system for regulating temperature and method.
Background technology
Along with the raising day by day of standard of living, at the common pure diseases caused by retention of fluid that family, office and other public place are widely used
Water machine can not meet the higher requirement of people, thus occurs in that the drink that can reconstitute different beverage such as such as coffee, tea, fruit juice etc.
Material machine.Along with rhythm of life is accelerated day by day, the time is considerable for people, but the punching of current most beverage machine
When adjusting beverage, the temperature of uncontrollable beverage, boiling the hottest or the coldest, wastes people's a lot of time.So design one drink
Material machine control system for regulating temperature and homoiothermic control method thereof, so that when people utilize beverage machine making drinks, it is possible to drink
The regulation of material temperature degree and control, just become a urgent need to solve the problem.
Summary of the invention
The invention aims to the defect overcoming above-mentioned prior art to exist, solve the technical problem existed, it is provided that a kind of drink
Material machine control system for regulating temperature and homoiothermic control method thereof.
The present invention is so that when utilizing beverage machine making drinks, it is possible to carry out regulation and the control of beverage temperature.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of beverage machine control system for regulating temperature, including single-chip microcomputer 1, power circuit 2, temperature sensor 3, key circuit 4, H
Bridge circuit 5, OLED display circuit 6, load driving circuits 7；Wherein, described power circuit 2 respectively with described single-chip microcomputer 1,
Temperature sensor 3, key circuit 4, H-bridge circuit 5, OLED display circuit 6, load driving circuits 7 electrically connect and power；
On described single-chip microcomputer 1 corresponding input respectively with outfan and the outfan of described key circuit 4 of described temperature sensor 3
Connect, on described single-chip microcomputer 4 corresponding outfan respectively with described H-bridge circuit 5, described OLED display circuit 6, described bear
Carry the outfan electrical connection of drive circuit 7；Described temperature sensor 7 is arranged on the aqua storage tank of beverage machine；Described H-bridge circuit
Outfan connect described beverage machine cooling piece；The outfan of described load driving circuits connects the respective load of described beverage machine.
Further, described single-chip microcomputer 1 connecting and has clock circuit, described clock circuit is by from two one-chip machine ports extractions
Two ground capacities C5, C7 and the resistance R23 being connected in parallel between said two one-chip machine port and crystal oscillator Y1 composition.
Further, described single-chip microcomputer 1 connects and has manual reset circuit, described manual reset electro route reset key RST,
One end connects reset key RST and the resistance R28 of other end ground connection and is connected in parallel on the electric capacity C group at reset key (RST) two ends
Become.
Further, on described single-chip microcomputer 1, connection has USB download program interface, described USB download program interface to pass through ground connection
Disconnecting switch S1 that electric capacity C6 and is arranged between the power port of described single-chip microcomputer 1 and described power circuit 2 is connected.
Further, described single-chip microcomputer is STC90C58RD+ chip, and described temperature sensor 7 is DS18B20.
Further, described H-bridge circuit by two two gating one button SW1, SW2, four MOS transistor Q1, Q2, Q3,
Light emitting diode D1, D2 composition of Q4 and two different glow colors, wherein, four transistor Q1, Q2, Q3, Q4 groups
Tubular construction, the grid of first MOS transistor Q1 and the grid of the 4th MOS transistor Q4 and second two gating in pairs
The fixing end of one button SW2 connects, the source electrode of first MOS transistor Q1 and+12V power supply and second MOS transistor
The source electrode of Q2 is connected, the one of light emitting diode D1, D2 of the glow colors different from two that drain of first MOS transistor Q1
The drain electrode of end and the 4th MOS transistor Q4 is connected, the drain electrode of second MOS transistor Q2 glow color different from two
The other end of light emitting diode D1, D2 and the drain electrode of the 3rd MOS transistor Q3 be connected, second MOS transistor Q2
Grid and the grid of the 3rd MOS transistor Q3 and the fixing end of first two gating one button SW1 connect, the 3rd
The source electrode of the source electrode of MOS transistor Q3 and the 4th MOS transistor Q4 connects and ground connection；First two gating one button SW1
First gating end connect first gating end of described+12V power supply and second two gating one button SW2, first two
Second the gating end gating a button SW1 connects second gating end the ground connection of second two gating one button SW2.
Further, the type selecting of described first MOS transistor Q1 and second MOS transistor Q2 is IRF5210, institute
The type selecting stating the 3rd MOS transistor Q3 and the 4th MOS transistor Q4 is IRF3710.
Further, described load driving circuits 7 is by a high-power FET VT2, audion Q0, a photoelectricity
Bonder OPT2 and three resistance R2, R5, R6 compositions, wherein, the grid of high-power FET VT2 and described three poles
The colelctor electrode of pipe Q0 connects, the source ground of high-power FET VT2, and the drain electrode of high-power FET VT2 connects described
Load；The colelctor electrode of described audion Q0 meets 12V DC source, institute also by first resistance R2 in described three resistance
The base stage stating audion Q0 connects the second resistor in the outfan of described photoelectrical coupler OPT2 and described three resistance
One end of R6, another termination 5V power supply of the second resistor R6 in described three resistance, the emitter stage of described audion Q0
Another outfan common ground with described photoelectrical coupler OPT2；One input of described photoelectrical coupler OPT2 is by described
The 3rd resistance R5 in three resistance connects described 5V power supply, and another input of described photoelectrical coupler OPT2 connects described list
The corresponding output port of sheet machine 1.
Further, described power circuit 2 is made up of Switching Power Supply P6 and the mu balanced circuit of 360W, described Switching Power Supply P6
The 12V of output export extremely described single-chip microcomputer 1 after described mu balanced circuit is converted to 5V, described mu balanced circuit by four electric capacity C1,
C2, C3, C4, a voltage stabilizing chip U1, a resistance R11 and LED light LED0 composition, wherein, described surely
In the 12V that the input Vin of pressure chip U1 exports with described Switching Power Supply P6, described four electric capacity C1, C2, C3, C4
One end of C1, C2 of two electric capacity connects, the output end vo ut of described voltage stabilizing chip U1 and described four electric capacity C1, C2,
One end of two other electric capacity C3, C4 in C3, C4 and one end of described resistance R11 connect, and described resistance R11's is another
One end is connected with one end of described LED light LED0, the other end of described LED light LED0, described four electric capacity C1,
The other end of C2, C3, C4 and the earth terminal GND of described voltage stabilizing chip U1 are connected and ground connection.
The present invention also provides for the homoiothermic control method of a kind of above-mentioned beverage machine control system for regulating temperature, including:
S1, entered main interface by OLED display circuit 6, wait that the button of key circuit 4 selects function；
S2, by the key information of key circuit 4 received on described main interface, single-chip microcomputer 1 starts drink by H-bridge circuit 5
The refrigerating function of material machine or heat-production functions and start corresponding load by load driving circuits 7；
If S3 selects heat-production functions, described H-bridge circuit 5 is by forward current, and the cooling piece of described beverage machine heats；
If S4 selects refrigerating function, described H-bridge circuit 5 is by reverse current, and the cooling piece of described beverage machine heats；
S5, step S3 and S4 heat or after operation of freezing, and described single-chip microcomputer 1 is according to temperature sensor 7 Real-time Collection
Temperature of liquid in the aqua storage tank of described beverage machine judges whether described temperature of liquid reaches temperature required, if not up to, then continuing
Continuous execution step S3 or S4, if reaching, then stop to described H-bridge circuit 5 and the output of load driving circuits 7.
Compared with prior art, technical scheme has the advantages that
1, technical scheme is by OLED display circuit, key circuit and single-chip microcomputer, it is possible to achieve man-machine interaction,
And then the homoiothermic realizing making drinks is arranged, simple to operate；
2, technical scheme passes through the described single-chip microcomputer key information according to reception key circuit, and by H-bridge circuit
Forward and reverse current control heating or freezing of the cooling piece of beverage machine, and the real time temperature gathered by temperature sensor,
The beverage in beverage machine is made to automatically achieve temperature required.
3, technical scheme, stable, good reliability, it is simple to promote the use of.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the beverage machine control system for regulating temperature of the present invention；
Fig. 2 is single-chip microcomputer and the schematic diagram of peripheral circuit thereof of the present invention；
Fig. 3 is the schematic diagram of the load driving circuits of the present invention；
Fig. 4 is the schematic diagram of the H-bridge circuit of the present invention；
Fig. 5 is the schematic diagram of the power circuit of the present invention；
Fig. 6 is the homoiothermic control method flow chart of the beverage machine control system for regulating temperature of the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, the technique effect of design, concrete structure and the generation of the present invention is described further, with fully
Understand the purpose of the present invention, feature and effect.
As it is shown in figure 1, a kind of beverage machine control system for regulating temperature provided for the present invention, including single-chip microcomputer 1, power circuit 2, temperature
Degree sensor 3, key circuit 4, H-bridge circuit 5, OLED display circuit 6, load driving circuits 7；Wherein, described power supply
The power supply outfan of circuit 2 shows with described single-chip microcomputer 1, temperature sensor 3, key circuit 4, H-bridge circuit 5, OLED respectively
Show that circuit 6, load driving circuits 7 electrically connect and these parts are powered；On described single-chip microcomputer 1 corresponding input respectively with institute
The outfan of the outfan and described key circuit 4 of stating temperature sensor 3 connects, and on described single-chip microcomputer 4, corresponding outfan divides
Do not electrically connect with described H-bridge circuit 5, described OLED display circuit 6, the outfan of described load driving circuits 7.
In the present embodiment, OLED display circuit 6 and key circuit 4 achieve human-computer interaction function, wherein OLED display circuit 6
For showing the various information of beverage machine, being mainly made up of display screen and program display lamp, display screen can be to touch display screen,
Program display lamp is made up of 6 LED, such as LED1 to LED6 in Fig. 2, is used for indicating present procedure to run progress msg, side
Just debugging routine；Key circuit 4 is provided and selected for the keypress function realizing beverage machine, the merit that particularly temperature regulation is relevant
Can, the upper limit of the beverage of beverage machine, lower-limit temperature value and target temperature value can be set, such as the connection single-chip microcomputer 1 in Fig. 2
Key information input port K1 (i.e. No. 20 pins of single-chip microcomputer 1), K2 (i.e. No. 19 pins of single-chip microcomputer 1), K3 (the most single
No. 18 pins of sheet machine 1) K1, K2, K3 button, and the different key functions of key circuit 4 can show and show at OLED
The display screen right of circuit 6.Preferably, the button operation of key circuit 4 is with buzzing prompt tone.Therefore, user needs
When the beverage temperature of beverage machine being configured and regulates according to self hobby, it is only necessary in the circuit that pushes button, corresponding temperature is adjusted
Joint button can realize the homoiothermic of beverage machine and arrange, simple to operate, fast response time, the simultaneously display screen of OLED display circuit 6
Main interface can show that relevant temperature is arranged and the heating, cooling information of beverage.
Described temperature sensor 7 is arranged on the aqua storage tank of beverage machine, and its temperature probe can be with the liquid in Real-time Collection aqua storage tank
(beverage) temperature, and shown in real time by OLED display circuit 6.In the present embodiment, temperature sensor 7 uses DS18B20,
The features such as it is high that this device has precision, and volume is little, and hardware circuit is simple, can use monobus lin protocol to operate.
Refer to Fig. 2, described single-chip microcomputer 1 is STC90C58RD+ chip, and this is the enhanced edition single-chip microcomputer of a compatible 51 kernels,
Its encapsulation uses SMD LQFP-44, it is possible to significantly reduce the single-chip microcomputer 1 area occupied in whole circuit board, and should
Chip price is cheap and powerful, stable, and capacity of resisting disturbance is strong.Connect on described single-chip microcomputer 1 and have clock circuit, time
Clock circuit is by from two one-chip machine port XTAL1 (i.e. No. 15 pins of single-chip microcomputer 1), XTAL2 (i.e. No. 14 of single-chip microcomputer 1
Pin) two ground capacities C5, C7 drawing and be connected in parallel on the electricity between said two one-chip machine port XTAL1, XTAL2
Resistance R23 and crystal oscillator Y1 composition, for producing stable clock signal for single-chip microcomputer 1.It is also connected with on described single-chip microcomputer 1
Having manual reset circuit, described manual reset electro route reset key RST, one end connects reset key RST and other end ground connection
Resistance R28 and be connected in parallel on the electric capacity C8 composition at reset key RST two ends, and reset key RST and resistance R28 is connected
Node connects reset pin RST (i.e. No. 4 pins of single-chip microcomputer 1), electric capacity C8 and the resistance R28 of single-chip microcomputer 1 and constitutes RC
Upper some reset circuit, after pressing reset key RST, it is possible to achieve hand-reset.Described single-chip microcomputer is also associated with USB on (1)
One end (i.e. No. 1 pin of P9) of download program interface P9, described USB download program interface P9 and ground capacity C6
Ungrounded end, one end of disconnecting switch S1 are commonly connected to the power port VCC of single-chip microcomputer 1, and (i.e. No. 38 of single-chip microcomputer 1 are drawn
Foot), the other end (i.e. No. 4 pins of P9) of described USB download program interface P9 is connected with the earth terminal of ground capacity C6,
Data transmit-receive end TXD, RXD (i.e. the 2 of P9, No. 3 pins) of described USB download program interface P9 and the data of single-chip microcomputer 1
Transmitting-receiving port TXD, RXD (i.e. the 5 of single-chip microcomputer, No. 6 pins) is corresponding to be connected, for relevant to single-chip microcomputer 1 transmission from the external world
Program, disconnecting switch, microcontroller power supply port VCC can be isolated by S1 with power circuit 2 source, it is to avoid USB when downloading
Download program interface P9 overload causes the display screen blue screen of OLED display circuit 6.Buzzing electricity it is also associated with on described single-chip microcomputer 1
Road, for carrying out buzzing prompting, described buzz circuit to user after the temperature of liquid monitoring beverage machine reaches design temperature
Being made up of resistance R24, audion Q6 and buzzer BEE, a termination+5V power supply of buzzer BEE, another terminates three poles
The colelctor electrode of pipe Q6, the grounded emitter of audion Q6, the base stage of audion Q6 connects one end of resistance R24, resistance R24
The other end meet the prompt tone output port BEE (i.e. No. 40 pins of single-chip microcomputer 1) of single-chip microcomputer 1.
As it is shown on figure 3, in the present embodiment, load driving circuits 7 by a high-power FET VT2, audion Q0,
One photoelectrical coupler OPT2 and three resistance R2, R5, R6 composition, wherein, the grid of high-power FET VT2 with
The colelctor electrode of described audion Q0 connects, the source ground of high-power FET VT2, the drain electrode of high-power FET VT2
Connect the respective load of the beverage machine such as circulating pump of the onboard radiator fan of circuit board, beverage machine；The colelctor electrode of described audion Q0
Resistance R2 connects+12V DC source, and the base stage of described audion Q0 connects an outfan of described photoelectrical coupler OPT2 (i.e.
No. 4 pins of OPT2) and one end of resistance R6, another termination+5V power supply of resistance R6, the transmitting of described audion Q0
Pole and another outfan (i.e. No. 3 pins of the OPT2) common ground of described photoelectrical coupler OPT2；Described photoelectrical coupler
One input (i.e. No. 1 pin of OPT2) of OPT2 meets described+5V power supply, described photoelectrical coupler OPT2 by resistance R5
Another input (i.e. No. 2 pins of OPT2) connect output port Hot (i.e. the 36 of single-chip microcomputer 1 of described single-chip microcomputer 1
Number pin).Signal between single-chip microcomputer 1 and load is kept apart, to avoid due to system work by photoelectrical coupler OPT2 indirectly
Make that electric current is big and big the caused interference of temporary impact electric current.Audion Q0 is S8050, plays the effect of signal paraphase, with
Time can play drive high-power FET VT2 effect, it is ensured that high-power FET VT2 is fully on, with avoid by
In single-chip microcomputer electrification reset moment HOT port be high level state cause be supported on startup moment time can damage asking of power supply
Topic.The power of high-power FET VT2 is more than 100W, type selecting for example, IRF540N, is characterized in turning on internal resistance little, logical
During super-high-current, caloric value is low.The resistance of resistance R2, R5, R6 is 1K Ω.Additionally, in the present embodiment, due to each load
There is a load driving circuits 7 with being all connected between single-chip microcomputer 1, thus cause the operating current of beverage machine control system for regulating temperature entirety
Greatly, so the part cabling of the circuit board of beverage machine control system for regulating temperature employs to window does not covers the technique of oil, can add during welding
Thick Copper Foil, increases current-carrying cross section and amasss, big electric current can be made to pass through.
As shown in Figure 4, described H-bridge circuit 5 by two two gating one button SW1, SW2, four MOS transistor Q1, Q2,
Light emitting diode D1, D2 composition of Q3, Q4 and two different glow colors, wherein, light emitting diode D1 is glow color
For green LED, light emitting diode D2 be glow color be red LED, four MOS transistor Q1, Q2, Q3,
Q4 composition is to tubular construction, the grid of MOS transistor Q1 and the grid of MOS transistor Q4 and consolidating of two gating one button SW2
Fixed end connects, and the source electrode of MOS transistor Q1 is connected with the source electrode of+12V power supply and MOS transistor Q2, MOS transistor
The drain electrode of Q1 is connected with one end of light emitting diode D1, D2 and the drain electrode of MOS transistor Q4, the leakage of MOS transistor Q2
Pole is connected with the other end of light emitting diode D1, D2 and the drain electrode of MOS transistor Q3, the grid of MOS transistor Q2 with
The fixing end of the grid of MOS transistor Q3 and two gating one button SW1 connects, and the source electrode of MOS transistor Q3 and MOS are brilliant
The source electrode of body pipe Q4 connects and ground connection；First gating end of two gating one button SW1 connects described+12V power supply and two choosings
First gating end of a logical button SW2, second gating end of two gating one button SW1 connects two gating one button SW2's
Second gating end ground connection.In the present embodiment, MOS transistor Q1 and MOS transistor Q2 is PMOS, and type selecting is equal
Being NMOS tube for IRF5210, MOS transistor Q3 and MOS transistor Q4, type selecting is IRF3710.Two gatings one are pressed
The type selecting of button SW1, SW2 is SW-SPDT-MOM.The outfan of described H-bridge circuit 5 connects the cooling piece of described beverage machine,
When the signal of two gating one button SW1 and two gating one button SW2 is identical, H-bridge circuit 5 no current passes through, also no current
Export to cooling piece, and when two gating one button SW1 and two gating one button SW2 signals are contrary, 2 can be changed brilliant to MOS
The turn-on sequence of body pipe, thus play the effect changing the sense of current, i.e. when electric current forward flows through the cooling piece of beverage machine, system
The A face refrigeration of cold, B face heats；On the contrary, when electric current flows counterflow through described cooling piece, the A face of cooling piece heats, B face
Refrigeration.In the present embodiment, owing to H-bridge circuit 5 needs to drive cooling piece work, therefore its load current is big, and heating is big, needs
Want heavy gauge wire and large area fin, so this H-bridge circuit 5 is not integrated in the main circuit board of beverage machine control system for regulating temperature
On, but individually pick out, be installed under the water-filled radiator of beverage machine so that can make dexterously above H-bridge circuit 5 for
The wind blown out from the electric fan with water cooling of water-filled radiator dispels the heat, and wind-force is powerful, largely solves the MOS of H-bridge circuit 5
The problem that pipe heating is serious.
As it is shown in figure 5, described power circuit 2 is made up of Switching Power Supply P6 and the mu balanced circuit of 360W, described Switching Power Supply
P6 is stable and energy conversion efficiency is high, it is possible to export 3 groups of 12V unidirectional currents to for system, the road 12V wherein exported
Unidirectional current exports extremely described single-chip microcomputer 1 after described mu balanced circuit is converted to 5V and uses.Described mu balanced circuit is by four electric capacity
C1-C4, a voltage stabilizing chip U1, a resistance R11 and a LED light LED0 composition, wherein, described voltage stabilizing chip
12V unidirectional current end, one end of C1, C2 of electric capacity that the input Vin of U1 exports with described Switching Power Supply P6 are connected, described
The output end vo ut of voltage stabilizing chip U1 is connected with one end of one end of electric capacity C3, C4 and resistance R11, another of resistance R11
End is connected with one end of LED light LED0, the other end of described LED light LED0, electric capacity C1, C2, C3, C4
The earth terminal GND of the other end and voltage stabilizing chip U1 is connected and ground connection.In the present embodiment, voltage stabilizing chip U1 type selecting is 78M05,
The type selecting of electric capacity C1 and C3 is 100nF patch capacitor, and electric capacity C2 and C4 is 100 μ F/25V electrochemical capacitors, and electric capacity
C1, C2 parallel connection is for being filtered the signal sending into voltage stabilizing chip U1, and electric capacity C3 and C4 is for exporting voltage stabilizing chip U1
+ 5V power supply signal carry out anti-interference process, LED0 is power supply indicator.Beverage machine control system for regulating temperature work due to the present invention
Making electric current relatively big, caloric value is big, in order to dispel the heat the circuit board of beverage machine control system for regulating temperature, in the present embodiment, at drink
The circuit board of material machine control system for regulating temperature is mounted with an onboard radiator fan, with the heat effectively produced by described circuit board
Amount disperses, to ensure that the circuit of beverage machine control system for regulating temperature can stable operation, wherein another road of Switching Power Supply P6 output
The power interface P10 of 12 unidirectional current output extremely onboard radiator fans.
From the above mentioned, the circuit part of the beverage machine control system for regulating temperature of the present invention, first, have employed what macrocrystalline company produced
STC90C58RD+ chip, and the Special circuit board of full autonomous Design, can achieve control drink on the circuit board of diameter 90mm
The function of the high power load of material machine, system cost is cheap and powerful, stable, and capacity of resisting disturbance is strong, secondly, makes
Cooling piece is driven to realize refrigeration or heat by the H-bridge circuit of 2 pairs of metal-oxide-semiconductor compositions, to regulate the temperature of liquid of beverage machine, and
Above H-bridge circuit, ingenious use makes it dispel the heat from the wind of the electric fan with water cooling blowout of the water-filled radiator of beverage machine, and wind-force is powerful,
Largely solve the problem that the heating of H-bridge circuit metal-oxide-semiconductor is serious；Furthermore, employ OLED and show the shape mutual with button
Formula so that the beverage temperature of beverage machine can be adjusted by user according to own temperature demand, simple to operate.Additionally, at drink
The main circuit board of material machine control system for regulating temperature is installed above an onboard radiator fan, the heat that can effectively main circuit board be produced
Amount fan goes, it is ensured that circuit can stable operation.
As shown in Figure 6, the present invention also provides for a kind of homoiothermic control method applying above-mentioned beverage machine control system for regulating temperature, including
Following steps:
S1, power circuit 2 power on for beverage machine control system for regulating temperature, after beverage machine control system for regulating temperature initializes, enter OLED
The main interface of display screen of display circuit 6, waits that the button of key circuit 4 selects information；
S2, user key circuit 4 select to start refrigerating function (i.e. can Automatic-cooling to lower limit temperature), start heat-production functions
(i.e. can automatically heat to ceiling temperature) or select cold heat to arrange function (i.e. to arrange target by manually carrying out button operation
Temperature homoiothermic are to this target temperature)；
If S3 selects heat-production functions, single-chip microcomputer 1 makes H-bridge circuit 5 by forward current, starts cooling piece and realizes heating work
Sequence, and single-chip microcomputer 1 controls load driving circuits 7 and starts the electric fan with water cooling of water-filled radiator and the circulation of beverage machine of beverage machine
Pump even load；
If S4 selects refrigerating function, single-chip microcomputer 1 makes H-bridge circuit 5 by reverse current, starts cooling piece and realizes refrigeration work
Sequence, and single-chip microcomputer 1 controls load driving circuits 7 and starts the electric fan with water cooling of water-filled radiator and the circulation of beverage machine of beverage machine
Pump even load；
The carrying out of S5, step S3 and S4 heats or after operation of freezing, and single-chip microcomputer 1 is according to temperature sensor 7 Real-time Collection
Temperature of liquid in the aqua storage tank of described beverage machine judges whether described temperature of liquid reaches temperature required, if not up to, then continuing
Continuous step S3 and the operation of S4, if reaching, then stop to described H-bridge circuit (5) and load driving circuits (7) is defeated
Go out, i.e. stop cooling piece and all loaded work pieces.
It should be noted that when selecting cold heat to arrange function, single-chip microcomputer 1 is according to the described drink of temperature sensor 7 Real-time Collection
Temperature of liquid in the aqua storage tank of material machine judges to freeze liquid or heat, so that H-bridge circuit 5 is by just
To electric current or reverse current, thus start cooling piece and realize heating or freezing operation, and single-chip microcomputer 1 controls load driving circuits 7
Starting electric fan with water cooling and the circulating pump even load of beverage machine of the water-filled radiator of beverage machine, during being somebody's turn to do, single-chip microcomputer 1 continues
Temperature of liquid in the aqua storage tank of the described beverage machine according to temperature sensor 7 Real-time Collection judges whether described temperature of liquid reaches
To temperature required (i.e. by manually arranging target temperature), thus maintain the refrigeration of cooling piece or heat operation, until described liquid
Temperature reaches temperature required, can stop cooling piece and all loaded work pieces afterwards.
From the above mentioned, the beverage machine homoiothermic control method of the present invention a, it is possible to achieve key operation can be automatically by the beverage of beverage machine
Homoiothermic is to lower limit temperature or ceiling temperature, it is also possible to makes user arrange arbitrary target temperature by key circuit, makes beverage machine
In beverage to automatically achieve user temperature required, meet the distinct temperature demand of self, simple to operate, humanization designing,
It is easy to promote the use of.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art is without creating
Property work just can make many modifications and variations according to the design of the present invention.Therefore, all technical staff in the art are according to this
The available technical scheme of logical analysis, reasoning, or a limited experiment is passed through in the design of invention on the basis of existing technology,
All should be in the protection domain being defined in the patent claims.
Claims (10)
1. a beverage machine control system for regulating temperature, it is characterised in that: include that single-chip microcomputer (1), power circuit (2), temperature pass
Sensor (3), key circuit (4), H-bridge circuit (5), OLED display circuit (6), load driving circuits (7)；Its
In, described power circuit (2) respectively with described single-chip microcomputer (1), temperature sensor (3), key circuit (4), H bridge
Circuit (5), OLED display circuit (6), load driving circuits (7) electrically connect and power；The upper phase of described single-chip microcomputer (1)
The input answered is connected with the outfan of described temperature sensor (3) and the outfan of described key circuit (4) respectively, described
The upper corresponding outfan of single-chip microcomputer (4) respectively with described H-bridge circuit (5), described OLED display circuit (6), described negative
Carry the outfan electrical connection of drive circuit (7)；Described temperature sensor (7) is arranged on the aqua storage tank of beverage machine；Described H
The outfan of bridge circuit connects the cooling piece of described beverage machine；The outfan of described load driving circuits connects the phase of described beverage machine
Should load.
2. beverage machine control system for regulating temperature as claimed in claim 1, it is characterised in that: the upper connection of described single-chip microcomputer (1) has
Clock circuit, described clock circuit is by two ground capacities (C5, C7) drawn from two one-chip machine ports and is connected in parallel on institute
State the resistance (R23) between two one-chip machine ports and crystal oscillator (Y1) composition.
3. beverage machine control system for regulating temperature as claimed in claim 1, it is characterised in that: the upper connection of described single-chip microcomputer (1) has
Manual reset circuit, described manual reset electro route reset key (RST), one end connects reset key (RST) and the other end
The resistance (R28) of ground connection and be connected in parallel on electric capacity (C8) composition at reset key (RST) two ends.
4. beverage machine control system for regulating temperature as claimed in claim 1, it is characterised in that: the upper connection of described single-chip microcomputer (1) has
USB download program interface, described USB download program interface is arranged on described single-chip microcomputer (1) by ground capacity (C6) and
Power port and described power circuit (2) between disconnecting switch (S1) be connected.
5. beverage machine control system for regulating temperature as claimed in claim 1, it is characterised in that: described single-chip microcomputer is STC90C58RD+
Chip, described temperature sensor (7) is DS18B20.
6. beverage machine control system for regulating temperature as claimed in claim 1, it is characterised in that: described H-bridge circuit is by two two gatings
One button (SW1, SW2), four MOS transistors (Q1, Q2, Q3, Q4) and the luminescence two of two different glow colors
Pole pipe (D1, D2) composition, wherein, four transistors (Q1, Q2, Q3, Q4) form tubular construction, first MOS crystalline substance
The grid of body pipe (Q1) and the grid of the 4th MOS transistor (Q4) and second two gating one button (SW2) fixing
End connects, the source electrode of first MOS transistor (Q1) and+12V power supply and the source electrode phase of second MOS transistor (Q2)
Even, one end of the light emitting diode (D1, D2) of the glow colors different from two that drain of first MOS transistor (Q1) with
And the drain electrode of the 4th MOS transistor (Q4) is connected, the drain electrode luminous face different from two of second MOS transistor (Q2)
The other end of the light emitting diode (D1, D2) of color and the drain electrode of the 3rd MOS transistor (Q3) are connected, second MOS
Consolidating of the grid of transistor (Q2) and the grid of the 3rd MOS transistor (Q3) and first two gating one button (SW1)
Fixed end connects, and the source electrode of the source electrode of the 3rd MOS transistor (Q3) and the 4th MOS transistor (Q4) connects and ground connection；
First gating end of first two gating one button (SW1) connects described+12V power supply and second two gating one button (SW2)
First gating end, second of (SW1) gating end of first two gating one button connects second two gating one button (SW2)
Second gating end ground connection.
7. beverage machine control system for regulating temperature as claimed in claim 6, it is characterised in that: described first MOS transistor (Q1)
It is IRF5210, described 3rd MOS transistor (Q3) and the 4th MOS with the type selecting of second MOS transistor (Q2)
The type selecting of transistor (Q4) is IRF3710.
8. beverage machine control system for regulating temperature as claimed in claim 1, it is characterised in that: described load driving circuits (7) by
One high-power FET (VT2), an audion (Q0), a photoelectrical coupler (OPT2) and three resistance (R2,
R5, R6) composition, wherein, the grid of high-power FET (VT2) is connected, greatly with the colelctor electrode of described audion (Q0)
The source ground of power field effect pipe (VT2), the drain electrode of high-power FET (VT2) connects described load；Described three poles
The colelctor electrode of pipe (Q0) connects 12V DC source, described audion also by first resistance (R2) in described three resistance
(Q0) second resistor (R6) in an outfan of the base stage described photoelectrical coupler of connection (OPT2) and described three resistance
One end, the second resistor (R6) in described three resistance another termination 5V power supply, the transmitting of described audion (Q0)
Pole and another outfan common ground of described photoelectrical coupler (OPT2)；One input of described photoelectrical coupler (OPT2)
Connecing described 5V power supply by the 3rd resistance (R5) in described three resistance, another of described photoelectrical coupler (OPT2) is defeated
Enter end and connect the corresponding output port of described single-chip microcomputer (1).
9. beverage machine control system for regulating temperature as claimed in claim 1, it is characterised in that: described power circuit (2) is by 360W
Switching Power Supply (P6) and mu balanced circuit composition, the 12V that described Switching Power Supply (P6) exports changes through described mu balanced circuit
For after 5V, output is to described single-chip microcomputer (1), described mu balanced circuit is by four electric capacity (C1, C2, C3, C4), a voltage stabilizing
Chip (U1), a resistance (R11) and LED light (LED0) composition, wherein, described voltage stabilizing chip (U1) defeated
Enter two in the 12V holding (Vin) and described Switching Power Supply (P6) to export, described four electric capacity (C1, C2, C3, C4)
The one end of (C1, the C2) of electric capacity connects, the outfan (Vout) of described voltage stabilizing chip (U1) and described four electric capacity (C1,
C2, C3, C4) in one end of two other electric capacity (C3, C4) and one end of described resistance (R11) connect, described resistance
(R11) the other end is connected with the one end of described LED light (LED0), the other end of described LED light (LED0), described
The other end of four electric capacity (C1, C2, C3, C4) and the earth terminal (GND) of described voltage stabilizing chip (U1) are connected and ground connection.
10. a homoiothermic control method for the beverage machine control system for regulating temperature according to any one of claim 1 to 9, its feature
It is, including:
S1, entered main interface by OLED display circuit (6), wait that the button of key circuit (4) selects function；
S2, by the key information of key circuit (4) received on described main interface, single-chip microcomputer (1) passes through H-bridge circuit (5)
Start refrigerating function or the heat-production functions of beverage machine and start corresponding load by load driving circuits (7)；
If S3 selects heat-production functions, described H-bridge circuit (5) passes through forward current, and the cooling piece of described beverage machine heats；
If S4 selects refrigerating function, described H-bridge circuit (5) passes through reverse current, and the cooling piece of described beverage machine heats；
S5, step S3 and S4 heat or after operation of freezing, and described single-chip microcomputer (1) is real-time according to temperature sensor (7)
Temperature of liquid in the aqua storage tank of the described beverage machine gathered judges whether described temperature of liquid reaches temperature required, if not up to,
Then continuing executing with step S3 or S4, if reaching, then stopping to described H-bridge circuit (5) and load driving circuits (7)
Output.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610475370.XA CN105919428A (en) | 2016-06-24 | 2016-06-24 | Temperature regulation control system of beverage dispenser and temperature regulation control method thereof |
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| CN201610475370.XA CN105919428A (en) | 2016-06-24 | 2016-06-24 | Temperature regulation control system of beverage dispenser and temperature regulation control method thereof |
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| CN106979631A (en) * | 2016-12-27 | 2017-07-25 | 元拓工业设计咨询（天津）有限公司 | semiconductor refrigeration equipment |
| GB2559861A (en) * | 2016-12-28 | 2018-08-22 | Lg Display Co Ltd | Electroluminescent display and driving device thereof |
| CN108451762A (en) * | 2017-02-22 | 2018-08-28 | 彭艳燕 | Intelligent moxibustion neck protective pillow |
| CN110240109A (en) * | 2018-03-07 | 2019-09-17 | 佛山市顺德区美的饮水机制造有限公司 | Water dispenser and its man-machine interactive system and prompt control method |
| CN111142427A (en) * | 2019-12-13 | 2020-05-12 | 贵州电网有限责任公司 | Intelligent measurement and control system for oil surface temperature of transformer |
| CN111487894A (en) * | 2020-04-29 | 2020-08-04 | 上海氦豚机器人科技有限公司 | Multi-mechanism drive control device and beverage machine |
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| CN111142427A (en) * | 2019-12-13 | 2020-05-12 | 贵州电网有限责任公司 | Intelligent measurement and control system for oil surface temperature of transformer |
| CN111487894A (en) * | 2020-04-29 | 2020-08-04 | 上海氦豚机器人科技有限公司 | Multi-mechanism drive control device and beverage machine |
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