CN206627792U - The control system of intelligent soy milk grinder based on 51 single-chip microcomputers - Google Patents
The control system of intelligent soy milk grinder based on 51 single-chip microcomputers Download PDFInfo
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- CN206627792U CN206627792U CN201720239035.XU CN201720239035U CN206627792U CN 206627792 U CN206627792 U CN 206627792U CN 201720239035 U CN201720239035 U CN 201720239035U CN 206627792 U CN206627792 U CN 206627792U
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Abstract
The utility model discloses a kind of control system of the intelligent soy milk grinder based on 51 single-chip microcomputers, by single-chip microcomputer, button inputting circuits, anti-overflow anti-dry circuit, temperature sensor, liquid crystal display, warning circuit, warming module and crushing motor module composition, compared with prior art, the utility model using single-chip microcomputer it is integrated automatically control instead of traditional Manual pulverizing soya bean by the way of, realize the defibrination during making soya-bean milk, filter pulp, mashing off full automation, not only greatly reduce the amount of labour, improve pulping rate, avoid the situation of burning, and software programming is flexible, substantially full-digital control is realized, embody hommization requirement.After being transformed using the above method traditional making soya-bean milk mode, high reliability and convenience are realized, and maintains soya bean original flavor, greatly improves the quality of life of people；Value with popularization and application.
Description
Technical field
It the utility model is related to technical field of single chip microcomputer, more particularly to a kind of intelligent soy milk grinder based on 51 single-chip microcomputers
Control system.
Background technology
At present, people are being busy with after work to the quality requirement more and more higher of life, people, and soy bean milk making machine is a kind of new
Domestic beverage machine, using soya bean as raw material, the direct ripe hot soya-bean milk of processing.If sesame, peanut, almond etc. are equipped with soya bean
Seasoning, the delicious drink of various flavors can be made.Soy bean milk making machine by crush soya bean mixer, Soy milk heating apparatus and control circuit
Three parts form.In the prior art, monolithic processor controlled technology species is various, in line with excelsior spirit, it is necessary to constantly
Improvement and innovation.
Utility model content
The purpose of this utility model is that to solve the above problems and provides a kind of intelligent beans based on 51 single-chip microcomputers
The control system of pulp grinder.
The utility model is achieved through the following technical solutions above-mentioned purpose：
The utility model by single-chip microcomputer, button inputting circuits, anti-overflow anti-dry circuit, temperature sensor, liquid crystal display,
Warning circuit, warming module and crush motor module composition, the button inputting circuits, the anti-overflow anti-dry circuit and described
Signal input part of the signal output part of temperature sensor with the single-chip microcomputer is connected, the control output end of the single-chip microcomputer with
The crushing motor module connection, the temperature control end of the single-chip microcomputer are connected with the warming module, the report of the single-chip microcomputer
Alert signal output part is connected with warning circuit, and the display signal output part of the single-chip microcomputer is connected with liquid crystal display.
Specifically, the single-chip microcomputer model STC89C52.The temperature sensor model DSl8B20.The liquid crystal
Display model LCD1602 liquid crystal display.
The beneficial effects of the utility model are：
The utility model is a kind of control system of the intelligent soy milk grinder based on 51 single-chip microcomputers, compared with prior art, this
Utility model using single-chip microcomputer it is integrated automatically control instead of traditional Manual pulverizing soya bean by the way of, realize making soya-bean milk
During defibrination, filter pulp, mashing off full automation, not only greatly reduce the amount of labour, improve pulping rate, avoid and burn
Situation, and software programming is flexible, realizes full-digital control substantially, embodies hommization requirement.Using the above method to passing
After the making soya-bean milk mode of system is transformed, high reliability and convenience are realized, and maintains soya bean original flavor, is greatly improved
The quality of life of people；Value with popularization and application.
Brief description of the drawings
Fig. 1 is system global structure of the present utility model；
Fig. 2 is clock circuit of the present utility model；
Fig. 3 is reset circuit of the present utility model；
Fig. 4 is temperature collection circuit of the present utility model；
Fig. 5 is crushing circuit of the present utility model；
Fig. 6 is heater circuit of the present utility model；
Fig. 7 is of the present utility model anti-overflow and anti-dry circuit；
Fig. 8 is liquid crystal display circuit of the present utility model；
Fig. 9 is button inputting circuits of the present utility model；
Figure 10 is warning circuit of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1：The utility model by single-chip microcomputer, button inputting circuits, anti-overflow anti-dry circuit, temperature sensor,
Liquid crystal display, warning circuit, warming module and motor module composition is crushed, it is the button inputting circuits, described anti-overflow anti-dry
Signal input part of the signal output part of circuit and the temperature sensor with the single-chip microcomputer is burnt to be connected, the single-chip microcomputer
Control output end is connected with the crushing motor module, and the temperature control end of the single-chip microcomputer is connected with the warming module, institute
The alarm signal output ends for stating single-chip microcomputer are connected with warning circuit, the display signal output part and liquid crystal display of the single-chip microcomputer
Connection.
Specifically, the single-chip microcomputer model STC89C52.The temperature sensor model DSl8B20.The liquid crystal
Display model LCD1602 liquid crystal display.
System is mainly by single-chip minimum system, button inputting circuits, anti-overflow and anti-dry circuit, temperature sensor electricity
Road, crush motor module, warming module, sound light alarming circuit and liquid crystal LCD1602 compositions.STC89C52 single chip is as system
Control core and data processing centre；Button inputting circuits, for setting the working condition of system；Anti-overflow, anti-dry circuit
Situations such as detecting spilling or anhydrous dry combustion method, because simulation system does not have anti-flow electrode, anti-overflow and anti-dry circuit is by button
Instead of；Temperature sensor uses DS18B20, for gathering soya-bean milk temperature；Crush motor module and be used for ground cereal and soya bean；Add
Warm module is the heating such as soya-bean milk of making；Warning circuit is used for sending sound when detecting that spilling, dry combustion method or soya-bean milk complete
Light is reminded；Liquid crystal LCD1602 is used for display system working condition and the parameter of time；System global structure is as shown in Figure 1.
System hardware circuit design
Singlechip minimum system circuit designs
This secondary design is using STC89C52 as control core, and 8K bytes Flash memories are carried inside the single-chip microcomputer, and it has
Have the advantages that it is that performance is high, low in energy consumption.STC89C52 kernels use most classical MCS-51 series monolithic kernels, but in work(
Can on done many improvement, make it possess many common 51 single-chip microcomputers without function.Chip CPU uses flexible 8
COS so that STC89C52 very effective can serve as control in many Industry Control scenes and embedded system and appoint
Business.
STC89C52 has following standard feature：8k bytes Flash, 512 byte RAM, 32 I/O mouth lines, house dog are fixed
When device, built-in 4KB EEPROM, MAX810 reset circuits, 16 bit timing devices/3, counter, external interrupt 4,7 vector 4 grades
Interrupt structure one, full duplex serial port.Other STC89X52 can be down to the operation of 0Hz static logics, support 2 kinds of softwares may be selected
Energy-saving mode.Under idle pulley, CPU is stopped, it is allowed to which RAM, timer/counter, serial ports, interruption work on.Power down
Under protected mode, RAM contents are saved, and oscillator is frozen, and all work of single-chip microcomputer stop, until next interruption or hardware
Untill reset.Highest operation frequency 35MHz, 6T/12T is optional.
So-called minimum system refers to the minimal configuration unit that single-chip microcomputer can work.Single-chip microcomputer must possess crystal oscillating circuit
With its normal operation is just can guarantee that after reset circuit.Crystal oscillating circuit is also referred to as clock circuit, and the circuit is to provide stabilization to single-chip microcomputer
Clock source, the function of reset circuit is to reset single-chip microcomputer, its total initial address is started working, from the initiating terminal of program code
Bring into operation.The clock circuit in minimum system and reset circuit will be described in detail below.
(1) clock circuit designs
During MCS-51 single chip applications, our conventional quartz crystals connect electric capacity composition system clock circuit, if system needs
Serial communication is used, in order to meet that baud rate does not have error, the quartz crystal that we are commonly used is 11.0592MHZ.If
System needs to use timer, and in order to meet that timer timing does not have error, we would generally select 12MHZ quartz crystal.
No matter quartz crystal selection is 11.0592MHZ, or 12MHZ, our usually used matching capacitances are all 30pf ceramic electricals
Holding, this can be very good to suppress extraneous interference,
The stability of guarantee system.The clock circuit of this secondary design, from 12M crystal oscillators, its crystal oscillator bipod and single-chip microcomputer
Clock input pin XTAL1 is connected with XTAL2, and connects 30pf ceramic disc capacitors C1, C2 one end, ceramic disc capacitor respectively at both ends
The other end be directly grounded.Crystal oscillating circuit is as shown in Figure 2.
(2) reset circuit designs
Reset has two ways：Hand push button resets and electrification reset, and the reset circuit of this secondary design is electrification reset.When
During system electrification, equivalent to short circuit, i.e. RST ports are high level for electric capacity C3 chargings, until electric capacity charging complete, electric capacity equivalent to
Open circuit, RST pin resistance groundeds, realizes electrification reset.
Reset circuit is as shown in Figure 3.
Temperature collection circuit designs
The design temperature sensor selects DSl8B20.The sensor is a kind of digital output sensors, and single-chip microcomputer is read
DSl820 only needs a line data wire；The measurement range of sensor is -55~+125 DEG C, and the precision of measurement is 0.5 DEG C, and data turn
Throw-over degree is within 1S；There is provided various packing forms, can complete to the temperature acquisition in various working environments.
DS18B20 key properties：
(1) supply district that the sensor has is very wide, voltage can between 3~5.5V, in the case of parasite power,
Directly sensor can be powered by data wire；
(2) the simple monobus mode of interface is used, single-chip microcomputer writes data into sensor and reads data, only needs altogether
A data line；
(3) sensor can measure multiple temperature values for putting positions by parallel realize, each sensor dispatches from the factory Shi Douyou only
One sequence number, it can easily form temperature measurement network；
(4) peripheral circuit is simple when the sensor uses, and temperature-sensing element (device), signal conditioning circuit etc. are all integrated in sensing
In device, periphery only needs pull-up resistor can normally and microcontroller communication；
(5) warm -55 DEG C~+125 DEG C of scope, at -10~+85 DEG C, acquisition precision is ± 0.5 DEG C；
(6) resolution ratio of sensing can be arranged to 9~12 by being set to register, respectively measurable minimum temperature
Degree is 0.5 DEG C, 0.25 DEG C, 0.125 DEG C and 0.0625 DEG C；
(7) when being arranged to 9 bit resolution, the most fast temperature transition time is 93.75ms, when being arranged to 12 bit resolution,
The most fast inversion temperature time is 750ms；
(8) sensor by temperature value by digital data transmission to single-chip microcomputer, interface only needs a connection, and
Data check is carried out after transmission, makes its data transfer that there is very high accuracy；
(9) negative pressure characteristic：If accidentally that supply voltage is reversed, although chip can generate heat, while can not normally carry out
Temperature acquisition and data transfer, but sensor will not be burned.
DS18B20 sensors are digital temperature sensors, and its peripheral circuit is simple, only need to provide 5V power supplys, and defeated
Outlet connects 4.7K pull-up resistor, is then connected on the I/O mouths of single-chip microcomputer, coordinates corresponding control program, you can realizes temperature
Degree collection and the communication between single-chip microcomputer, temperature collection circuit are as shown in Figure 4.
Crush circuit design
System is crushed and completed by motor, and motor is controlled start and stop using the normally opened contact of relay.Due to monolithic
Machine I/O driving forces are limited, it is impossible to directly drive relay coil, design carries out power amplification using triode.
Single-chip processor i/o works as I/O by controlling the colelctor electrode of a PNP type triode to control the conducting and cut-off of triode
When exporting low level, triode conducting, relay coil obtains electric, normally opened contact closure, then motor is opened；It is anti-on relay coil
Diode in parallel is used for when turning off triode, is coil discharge.Light emitting diode D3 is used to refer to the work shape of triode
State, resistance R5 are the current-limiting resistance of light emitting diode.
It is as shown in Figure 5 to crush circuit.
Heater circuit designs
Circuit system is completed by heat block, and the energization and power-off of heat block are controlled by the normally opened contact of relay, with powder
Broken circuit is the same, and single-chip processor i/o mouth can not directly drive relay coil, also carries out power amplification to relay using triode
It is controlled, heater circuit is as shown in Figure 6.
Anti-overflow and anti-dry circuit design
Be made up of in anti-overflow and anti-dry circuit an electrode switch, there is no electrode in system, by by button come mould
Intend.One end ground connection of button, other end access single-chip processor i/o mouth, when button is pressed, corresponding mouth is pulled low, circuit such as Fig. 7 institutes
Show.
Display circuit designs
System is from LCD1602 as display screen.Liquid crystal is shown using the physical characteristic of liquid crystal, in its display
Region apply voltage, this region will be shown, apply voltage in different places, and the shape of display is just not yet
Together, liquid crystal is exactly that different character and picture are shown by this principle.1602 liquid crystal can show letter, numeral, symbol
Number etc., display is divided into two rows, and often row can show 16 characters；The display screen has the volume of very little, ultralow power consumption, abundant
Display picture library, control easily, low price the features such as, obtained very extensive application in handheld device and some instrument.
RV1 is 103 potentiometers, for adjustable liquid crystal display backlight；Mask register pin RS is connected with single-chip microcomputer P2.5 mouths, uses
Data or order are write to control；Due to only data or order need to be write into liquid crystal in design, liquid crystal display is controlled, without from liquid crystal
Data are read, so Read-write Catrol pin R/W is directly grounded；Enable Pin E is connected to single-chip microcomputer P2.7 mouths, is produced by single-chip microcomputer P2.7
Level change is given birth to write content；8 bidirectional data ports are connected with single-chip microcomputer P0 mouths, for write with liquid crystal transmission data,
Because single-chip microcomputer P0 mouths do not have pull-up resistor, so setting outside pull-up resistor P1.Liquid crystal display circuit is as shown in Figure 8.
Button inputting circuits
Key-press module, using common microswitch.Key circuit typically has two kinds of connections, and one kind is Independent keys, a kind of
It is matrix keyboard；For matrix keyboard suitable for the more system of button, this mode can save substantial amounts of I/O mouths, but compile
Journey is complex, and I/O mouths are more needed for Independent keys, but programming is relatively simple, and only use 4 buttons altogether here, by
It is remaining more in single-chip processor i/o, so using the convenient Independent keys of programming.
One end of button is respectively connected to the I/O mouths of single-chip microcomputer, and then the button other end is grounded, when the button is pressed, institute
The I/O mouths of the single-chip microcomputer of connection can drag down, and single-chip microcomputer knows key-press status by way of scanning.Key circuit is as shown in Figure 9.
Warning circuit designs
System detect overflow, dry combustion method or soya-bean milk complete when, will by buzzer and light emitting diode carry out sound,
Light is reminded.
Because single-chip processor i/o can not provide sufficiently large circuit drives buzzer, so also using the pole of positive-negative-positive three
Pipe 8550 is as switch, for driving buzzer and light emitting diode.When needing acousto-optic to remind, single-chip microcomputer control P1.4 mouths are defeated
Go out low level, control triode ON, light buzzer progress buzzing alarm, light emitting diode；By Light-Emitting Diode institute
Need electric current smaller, it is impossible to directly to connect such as+5V power supplys, so set resistance R7, for for light emitting diode current limliting.Warning circuit is such as
Shown in Figure 10.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (4)
- A kind of 1. control system of the intelligent soy milk grinder based on 51 single-chip microcomputers, it is characterised in that：By single-chip microcomputer, key-press input electricity Road, anti-overflow anti-dry circuit, temperature sensor, liquid crystal display, warning circuit, warming module and crushing motor module composition, The signal output part of the button inputting circuits, the anti-overflow anti-dry circuit and the temperature sensor with the single-chip microcomputer Signal input part connection, the control output end of the single-chip microcomputer with it is described crush motor module be connected, the temperature of the single-chip microcomputer Degree control terminal is connected with the warming module, and the alarm signal output ends of the single-chip microcomputer are connected with warning circuit, the monolithic The display signal output part of machine is connected with liquid crystal display.
- 2. the control system of the intelligent soy milk grinder according to claim 1 based on 51 single-chip microcomputers, it is characterised in that：The list Piece machine model STC89C52.
- 3. the control system of the intelligent soy milk grinder according to claim 1 based on 51 single-chip microcomputers, it is characterised in that：The temperature Degree sensor model number is DSl8B20.
- 4. the control system of the intelligent soy milk grinder according to claim 1 based on 51 single-chip microcomputers, it is characterised in that：The liquid Crystal display model LCD1602 liquid crystal display.
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| CN106843066A (en) * | 2017-03-13 | 2017-06-13 | 渭南师范学院 | The control system of the intelligent soy milk grinder based on 51 single-chip microcomputers |
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