CN107450635A - A kind of application circuit of electronic high-voltage pot, method - Google Patents
A kind of application circuit of electronic high-voltage pot, method Download PDFInfo
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- CN107450635A CN107450635A CN201710742503.XA CN201710742503A CN107450635A CN 107450635 A CN107450635 A CN 107450635A CN 201710742503 A CN201710742503 A CN 201710742503A CN 107450635 A CN107450635 A CN 107450635A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D27/00—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00
- G05D27/02—Simultaneous control of variables covered by two or more of main groups G05D1/00 - G05D25/00 characterised by the use of electric means
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Abstract
The present invention relates to a kind of electronic high-voltage pot application circuit, the application circuit includes main control module, power module, voltage reduction module, solenoid valve driving module, LED display module, air pressure detection module, heater control module, knob control module, alarm module, wherein：The knob control module is used to select mode of operation：Automatic mode and pressure regulation pattern, the air pressure detection module is used to gather current gas pressure size, after air pressure reaches setting value, keeps current gas pressure, air pressure exceedes then is released air pressure by solenoid valve driving module；If there is pressure abnormity or temperature anomaly, heater control module will directly cut off heater, and be released air pressure by solenoid valve driving module.The beneficial effects of the invention are as follows：Using electric detective technology, pressure-regulating temp-regulating, maximum gas pressure and temperature can be controlled.
Description
Technical field
The present invention relates to machine for kitchen use field, the particularly a kind of application circuit and application process of electronic high-voltage pot.
Background technology
Pressure cooker is called pressure cooker, pressure cooker, is a kind of pan in kitchen.Pressure cooker is by liquid compared with being boiled under hyperbar
Point can lift this physical phenomenon, apply pressure to water, water is reached higher temperature without seething with excitement, to accelerate fricassee
Efficiency., in high altitude localities, water can be avoided using pressure cooker by the heat foods being cooked to more than 100 DEG C with it
The problem of boiling point reduces and is not easy cooked food.Conventional high-tension pot is needed by combustion system to heat foods, in this process
In, just produce the other discharges of carbon dioxide isothermal chamber.The safeguard protection of conventional high-tension pot mainly will by pressure caused by air pressure
Relief valve jacks up pressure release, it is impossible to accurately detects air pressure, if temperature is too high, long-time heating may result in blast.It is traditional high
Pressure pot needs artificially to judge that food is enough cooked, and can not can not cut off heat supply source after food is cooked, and the duration and degree of heating is uncontrollable,
Often because judging that food causes food to boil Jiao.
The content of the invention
In view of the above-mentioned problems, the present invention proposes a kind of application circuit of electronic high-voltage pot, it is by following technical solution
Realize.
A kind of electronic high-voltage pot application circuit, the application circuit include main control module, power module, voltage reduction module,
Solenoid valve driving module, LED display module, air pressure detection module, heater control module, knob control module, alarm module,
Wherein：
The knob control module is used to select mode of operation：Automatic mode and pressure regulation pattern, the automatic mode, according to acquiescence
Atmospheric pressure value heating；The pressure regulation pattern, it is the requirement regulation air pressure range of basis；
The air pressure detection module is used to gather current gas pressure size, after air pressure reaches setting value, keeps current gas pressure, air pressure
More than then being released air pressure by solenoid valve driving module；If there is pressure abnormity or temperature anomaly, heater control module
It will directly cut off heater, and be released air pressure by solenoid valve driving module.
Power module includes：Protective tube, the safety device piezo-resistance for reducing surge in civil power, remove in civil power and do
The safety electric capacity of disturbing ripple, the common mode inductance of common mode disturbances and the interference signal of circuit Zhong Xiang city's electric radiations in civil power is reduced,
Alternating current is made into the rectifier bridge of direct current, the direct current of fluctuation is converted to the π being made up of capacitor and inductor of smooth direct current
Line filter, the transformer T1 by smooth direct current decompression for low-voltage ac voltage, and be filtered into smooth 18V direct currents and supply electricity to
The diode and electric capacity of application circuit power supply.
Voltage reduction module, including it is directly linearly steady using the direct current that supply relay work is exported to the direct voltage stabilizing of 18V power supplys
Depressor, is 5V by 18V voltage step-downs, and load capacity can reach 5V 1A power supply IC.
The heater control module includes the triode of control relay control heating body running.
Solenoid valve driving module, include 18V 0.5A magnetic valve, the magnetic valve is controlled by metal-oxide-semiconductor, and the MOS is by three
Pole pipe switching levels voltage drives.
Main control module includes the single-chip microcomputer for driving whole application circuit, and the single-chip microcomputer, which includes, can be used for using NTC temperature
Voltage acquisition register, can be used for the driving PWM registers that control magnetic valve, and the I/O interface of other driving loads.
The knob control module uses multiple code switch switching devices.
The Pressure monitoring module is the Pressure monitoring module for having inductance type transducer, the phase inverter of air pressure detection module
Different atmospheric pressure values are corresponded to that magnetic core displacement is different and caused analog signal is converted to digital fre-quency signal, single-chip microcomputer collection analysis
And change the general-purpose digital signal that output is directly read for other IC.
The application circuit also includes display module, several LEDs of display module including the use of driving IC drivings, uses
In overlapping out multiple display patterns, for showing current gas pressure, temperature, pattern.
A kind of application process of the application circuit of electronic high-voltage pot, it is characterised in that methods described includes：
Step 1, application circuit selection mode of operation；
Whether step 2, master control module judges pressure cooker cover；
Step 3, if it is, heater performs heating, air pressure detection module and detection temperature air pressure, if it exceeds setting value,
Opening magnetic valve is then performed to lose heart；
Whether the temperature in step 4, main control module detecting pressure cooker reaches setting value；
Step 5, if it is, perform：Terminate to use.
The beneficial effects of the invention are as follows：Using electric detective technology, pressure-regulating temp-regulating, maximum gas pressure and temperature can be controlled.
Brief description of the drawings
Fig. 1 is the structural representation of control panel in specific entity example of the invention；
Fig. 2 is the power module circuitry structural representation in the specific embodiment of the invention；
Fig. 3 is the voltage reduction module electrical block diagram in the specific embodiment of the invention；
Fig. 4 is the heater control module electrical block diagram in the specific embodiment of the invention；
Solenoid valve driving module electrical block diagram in Fig. 5 specific embodiment of the invention；
Main control module electrical block diagram in Fig. 6 specific embodiment of the invention；
Knob control module electrical block diagram in Fig. 7 specific embodiment of the invention；
Alarm module circuitry structural representation in Fig. 8 specific embodiment of the invention；
Display module electrical block diagram in Fig. 9 specific embodiment of the invention；
Air pressure detection module electrical block diagram in Figure 10 specific embodiment of the invention.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
A kind of electronic high-voltage pot application circuit as shown in figs 1-9, the application circuit include main control module, power supply mould
Block, voltage reduction module, solenoid valve driving module, LED display module, air pressure detection module, heater control module, knob control mould
Block, alarm module.
In the specific embodiment of the invention, application circuit is respectively power panel and control panel, is connected by soft arranging wire.Such as figure
It is mainly main control module, solenoid valve driving module, LED display module, air pressure detection module, knob control shown in 1, on control panel
Module, alarm module part, power panel are then connected with high input voltage, power module, voltage reduction module part, wherein：
The knob control module is used to select mode of operation：Automatic mode and pressure regulation pattern, the automatic mode, according to acquiescence
Atmospheric pressure value heating；The pressure regulation pattern, it is the requirement regulation air pressure range of basis；
The LED display module shows current gas pressure, temperature, pattern；
The air pressure detection module is used to gather current gas pressure size, after air pressure reaches setting value, keeps current gas pressure, air pressure
More than then being released air pressure by solenoid valve driving module；If there is pressure abnormity or temperature anomaly, heater control module
It will directly cut off heater, and be released air pressure by solenoid valve driving module.
Technical scheme is illustrated below by way of each module of application circuit.
As shown in Fig. 2 power module includes：Protective tube, the safety device piezo-resistance for reducing surge in civil power, go
Except the safety electric capacity of interference noise in civil power, reduce common mode disturbances in civil power and the interference signal of circuit Zhong Xiang city's electric radiations
Common mode inductance, alternating current is made into the rectifier bridge of direct current, the direct current of fluctuation is converted to the electric by electric capacity of smooth direct current
Feel the π line filters of composition, the transformer T1 by smooth direct current decompression for low-voltage ac voltage, and be filtered into smooth
18V direct currents supply electricity to the diode and electric capacity of application circuit power supply.
Specifically, civil power reduces surge in civil power, by safety by insuring guard system by safety device piezo-resistance
Electric capacity removes interference noise in civil power, reduces common mode disturbances and circuit Zhong Xiang city's electric radiations in civil power by common mode inductance afterwards
Interference signal；Alternating current is made into by direct current by a rectifier bridge, then will by the π line filters being made up of capacitor and inductor
The direct current of fluctuation is converted to smooth direct current.Smooth direct current passes through the Switching Power Supply OB2530 without tin core cyclopentadienyl microelectronics
And transformer T1 decompressions are low-voltage ac voltage, and supplied electricity into smooth 18V direct currents by diode rectification, capacitor filtering be
System power supply.
Civil power absorbs interference noise by pressure-sensitive MOV1 and safety electric capacity CX1 and exports a stable alternating current, by DB1
Bridge rectifier is made into direct current, becomes smooth direct current by C6, L1, C7 pi type filter formed.High voltage direct current leads to
Crossing R2 and R7 gives U2 mono- trigger voltage, and U2 starts working, and a high-frequency is provided to T1 main winding by internal high-voltage MOS
Switching signal, because the mutual inductance of transformer acts on, T1 assists winding also produces a voltage, is filtered by D2, R8, C9 rectification
U2 stable power-supplyings are given after ripple；The sampling resistor of R15 and R16 compositions provides a sampled voltage to U2 IC and judges whether excessively stream, is
Enough need to protect；The bleeder circuit of R14, R17, R18 composition determines the output electricity of Switching Power Supply to U2 one feedback voltage of offer
Pressure；Inverse electromotive force caused by the RCD absorbing circuits absorption transformer switch moment of D3, R4, R6, C2 composition, avoids T1 transformations
The too high breakdown U2 internal high pressure metal-oxide-semiconductors of the spike of the main winding of device；After T1 starts concussion output, T1 winding output one is low
Alternating current is pressed, the 18V direct currents of a smooth steady, wherein R1 and C1 are exported after D1, C3, C4 rectifying and wave-filtering and is inhaled as RC
Withdraw road and absorb High-frequency Interference caused by T1；It presence of the R5 as a dummy load, can be very good to avoid booting moment, become
The too high situation of output voltage occurs in depressor；The use of CX2 high pressures ceramic disc capacitor and L1, L3, have on Conduction Interference is suppressed
Compare significant effect.
As shown in figure 3, voltage reduction module, including directly using to 18V power supplys direct voltage stabilizing output supply relay work
Direct current linear voltage regulator, is 5V by 18V voltage step-downs, and load capacity can reach 5V 1A power supply IC.
Specifically, this module using load driving have three kinds of voltages, be respectively 18V magnetic valve, 12V relay and
5V main control part.It is all directly to use direct current linear voltage regulator to 18V power supplys by the electric current that relay is consumed is smaller
Direct voltage stabilizing output supply relay work.Corresponding, LED is relatively more in the system, and is all powered by 5V, so must
Efficient DC/DC voltage regulation ways must be used, the system uses YS1601 power supply IC, is 5V by 18V voltage step-downs, load capacity
5V 1A can be reached, efficiency can reach more than 85%.
18V DC supply inputs are input in DC/DC chips in system, the feedback bleeder circuit supply of R9, R10 composition
To U1 FB pin, to adjust the stable output voltage 5V of output；L2 plays an accumulation of energy and continued in circuit as accumulation of energy inductance
The effect of stream；C8 provides a pull-up control level after charging complete, for the control pole of the metal-oxide-semiconductor of chip internal；C10、C12
Filtered as filter capacitor for output voltage.18V DC supply inputs export a stable 12V into direct current linear voltage stabilization IC7
Direct current, it is smoother by C14, C15 filtering output.
As shown in figure 4, heater control module Control high-voltage load in safety and control mode all than controllable
Silicon will be got well, and heating body running is controlled using triode control relay.
Specifically, Q1 triodes avoid 12V voltages by the coil windings of the level conversion that single-chip microcomputer exports to relay
Single-chip microcomputer pin directly is sealed in, burns out single-chip microcomputer；R20 pull down resistors are connected in the control pole input of triode, are avoided initial
Change and relay is opened in maloperation；D4 diodes are absorbed caused by the moment of relay switch reversely as fly-wheel diode
Electromotive force.
As shown in figure 5, solenoid valve driving module, including 18V 0.5A magnetic valve, the magnetic valve is controlled by metal-oxide-semiconductor,
The MOS is driven by triode switching levels voltage.
Specifically, solenoid valve driving module uses 18V 0.5A magnetic valves, and metal-oxide-semiconductor conducting resistance is than relatively low, in control electricity
The occasion performance for flowing heavy load controls considerably beyond triode, belongs to 5V for master control voltage, so in order to drive metal-oxide-semiconductor, needs
Metal-oxide-semiconductor is controlled using triode switching levels voltage again, it is so safe and reliable, and avoid being mixed between varying level.
Metal-oxide-semiconductor controls the switch of magnetic valve, the electric current of Q1 triodes amplification single-chip I/O mouth output, and R16, R24 resistance carry
For a biasing resistor to switch level state；D1 fly-wheel diodes absorb reversely electric caused by solenoid valve control switching moments
Kinetic potential.
For K4, K5 button as control, W1, W2, W3 are the code switch with button, pass through the level change rule of A, B pin
Judge direction of rotation and the anglec of rotation change of knob, and the button that it is carried can also use as determination key.
As shown in fig. 6, main control module includes the single-chip microcomputer of driving whole system, single-chip microcomputer includes voltage acquisition register can
For using NTC temperature；Containing PWM registers, it can be used for the driving for controlling magnetic valve；Other universal I/O ports can be flexible
Drive other loads.
P00, PO1, P02, P05, P06, P07 of single-chip microcomputer are coupled with the data output of code switch, P12, P13,
P14, P15, P22 are connected on multiple buttons, and P23 is connected on buzzer, and P35 and P26 are connected on the single common port of LED, P53,
P33, P34 be connected on air pressure detection IC on, P52 be connected on enclosure location detection pin on, P50 is connected in NTC detections, P47 be connected on after
In electrical equipment control, P46, P40, P54 are connected on LED driving IC, for driving LED to show.
As shown in fig. 7, knob control module uses multiple code switch handoff functionalities, multiple button ability can be so realized
The function of realization, but required I/O port quantity really greatly reduces.
As shown in figure 8, alarm module the system is used as alarm using 4KHZ passive buzzers, directly driven, driven using IO
It is dynamic simple and convenient.
Display module as shown in Figure 9, the system use 84 LEDs, multiple display patterns are overlapped out, on effect is realized
The effect of conventional digital pipe can be reached, but cost substantially reduces.The micro- TM1624 driving IC drivings in the day of use in terms of driving,
As 8*11 matrix driving, the LED of the minimum most quantity of I/O port driving is used.
Specifically, LED1 to LED84 is controlled using the mode of matrix majorization, forms 7*11 and 2*4 matrix, micro- using day
The driving IC controls of electronics LED light special, the public COM terminated on TM1624 IC of matrix composition are driven on mouth, section in addition
Choosing is then connected on the section selected control pin on IC；R1 to R15 is the current-limiting resistance of LED, using 1206 encapsulation, is provided for LED drivings
Enough current powers；R19, R22, R25 are connected on IC ports and acted on as pull-up, there is provided the level of mono- determination of IC, avoid
Indivedual IC do not pull up the function of output；C6, C7, C10 absorb the interference in controlling switch, avoid outside as filter capacitor
Interference effect IC works；C8 and C11 filter capacitors, the interference from power supply is absorbed, suppresses external interference to the full extent.
As shown in Figure 10, different atmospheric pressure values are corresponded to magnetic core displacement not by the phase inverter of inductance type transducer air pressure detection module
With and caused analog signal is converted to digital fre-quency signal, single-chip microcomputer collection analysis is simultaneously changed output and directly read for other IC
General-purpose digital signal.
Specifically, C3, C4, R18, R21, CON2, wherein, CON2 is a kind of inductance type transducer, and the concussion of U1 compositions
Circuit is negated, different atmospheric pressure values are corresponded to that magnetic core displacement is different and caused analog signal is converted to data signal, then there are U2 readings
Respective frequencies are taken, built-in multiprecision arithmetic, the signal of fixed protocol output is converted into, supplies other IC readings；Y1、C13、
The crystal oscillator oscillating circuit of C14 compositions provides an accurately pulse for U2, so that U2 can accurately read air pressure signal.
The preferred embodiments of the present invention are these are only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of electronic high-voltage pot application circuit, the application circuit includes main control module, power module, voltage reduction module, electricity
Magnet valve drive module, LED display module, air pressure detection module, heater control module, knob control module, alarm module, its
In：
The knob control module is used to select mode of operation：Automatic mode and pressure regulation pattern, the automatic mode, according to acquiescence
Atmospheric pressure value heating；The pressure regulation pattern, it is the requirement regulation air pressure range of basis；
The air pressure detection module is used to gather current gas pressure size, after air pressure reaches setting value, keeps current gas pressure, air pressure
More than then being released air pressure by solenoid valve driving module；If there is pressure abnormity or temperature anomaly, heater control module
It will directly cut off heater, and be released air pressure by solenoid valve driving module.
2. application circuit as claimed in claim 1, it is characterised in that power module includes：Protective tube, for reducing in civil power
The safety device piezo-resistance of surge, remove the safety electric capacity of interference noise in civil power, reduce common mode disturbances and electricity in civil power
The common mode inductance of the interference signal of Lu Zhongxiang cities electric radiation, alternating current is made into the rectifier bridge of direct current, the direct current of fluctuation is turned
The π line filters being made up of capacitor and inductor of smooth direct current are changed to, are low-voltage ac voltage by smooth direct current decompression
Transformer T1, and be filtered into smooth 18V direct currents supply electricity to application circuit power supply diode and electric capacity.
3. application circuit as claimed in claim 1, it is characterised in that voltage reduction module, including directly using direct to 18V power supplys
The direct current linear voltage regulator of voltage stabilizing output supply relay work, is 5V by 18V voltage step-downs, load capacity can reach 5V 1A
Power supply IC.
4. application circuit as claimed in claim 1, it is characterised in that：The heater control module includes control relay control
The triode of system heating body running.
5. application circuit as claimed in claim 1, it is characterised in that：Solenoid valve driving module, include 18V 0.5A electromagnetism
Valve, the magnetic valve are controlled by metal-oxide-semiconductor, and the MOS is driven by triode switching levels voltage.
6. application circuit as claimed in claim 1, it is characterised in that：Main control module includes the monolithic for driving whole application circuit
Machine, the single-chip microcomputer are included available for the driving for using the voltage acquisition register of NTC temperature, can be used for control magnetic valve
PWM registers, and the I/O interface of other driving loads.
7. application circuit as claimed in claim 1, it is characterised in that：The knob control module is cut using multiple code switch
Changing device.
8. application circuit as claimed in claim 1, it is characterised in that：The Pressure monitoring module is with inductance type transducer
Pressure monitoring module, different atmospheric pressure values are corresponded to that magnetic core displacement is different by the phase inverter of air pressure detection module and caused simulation is believed
Digital fre-quency signal number is converted to, single-chip microcomputer collection analysis simultaneously changes the general-purpose digital signal that output is directly read for other IC.
9. application circuit as claimed in claim 1, it is characterised in that：The application circuit also includes display module, shows mould
Several LEDs of block including the use of driving IC drivings, for overlapping out multiple display patterns, for showing current gas pressure, temperature
Degree, pattern.
10. a kind of application process of the application circuit of electronic high-voltage pot, it is characterised in that methods described includes：
Step 1, application circuit selection mode of operation；
Whether step 2, master control module judges pressure cooker cover；
Step 3, if it is, heater performs heating, air pressure detection module and detection temperature air pressure, if it exceeds setting value,
Opening magnetic valve is then performed to lose heart；
Whether the temperature in step 4, main control module detecting pressure cooker reaches setting value；
Step 5, if it is, perform：Terminate to use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742503.XA CN107450635A (en) | 2017-08-25 | 2017-08-25 | A kind of application circuit of electronic high-voltage pot, method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710742503.XA CN107450635A (en) | 2017-08-25 | 2017-08-25 | A kind of application circuit of electronic high-voltage pot, method |
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| Publication Number | Publication Date |
|---|---|
| CN107450635A true CN107450635A (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710742503.XA Pending CN107450635A (en) | 2017-08-25 | 2017-08-25 | A kind of application circuit of electronic high-voltage pot, method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524942A (en) * | 1939-02-10 | 1940-08-19 | George Edward Wilson Crowe | Means for indicating and controlling the pressure within vessels for cooking, digesting, sterilizing or otherwise treating edible or other goods by fluid pressure |
| CN1763487A (en) * | 2005-10-25 | 2006-04-26 | 简伟文 | Pressure detection method and apparatus for electric pressure cooker |
| CN101393061A (en) * | 2008-04-14 | 2009-03-25 | 浙江苏泊尔家电制造有限公司 | Pressure detection device for electric pressure cooker |
| CN105030055A (en) * | 2015-08-26 | 2015-11-11 | 周川森 | Pressure-adjustment exhausting safety valve of electric pressure cooker |
| CN106551619A (en) * | 2015-09-25 | 2017-04-05 | 佛山市顺德区美的电热电器制造有限公司 | The cooking control method of electric cooker and electric cooker |
-
2017
- 2017-08-25 CN CN201710742503.XA patent/CN107450635A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB524942A (en) * | 1939-02-10 | 1940-08-19 | George Edward Wilson Crowe | Means for indicating and controlling the pressure within vessels for cooking, digesting, sterilizing or otherwise treating edible or other goods by fluid pressure |
| CN1763487A (en) * | 2005-10-25 | 2006-04-26 | 简伟文 | Pressure detection method and apparatus for electric pressure cooker |
| CN101393061A (en) * | 2008-04-14 | 2009-03-25 | 浙江苏泊尔家电制造有限公司 | Pressure detection device for electric pressure cooker |
| CN105030055A (en) * | 2015-08-26 | 2015-11-11 | 周川森 | Pressure-adjustment exhausting safety valve of electric pressure cooker |
| CN106551619A (en) * | 2015-09-25 | 2017-04-05 | 佛山市顺德区美的电热电器制造有限公司 | The cooking control method of electric cooker and electric cooker |
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Application publication date: 20171208 |
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