CN208156530U - A kind of control circuit for dry fruit function air fryer - Google Patents
A kind of control circuit for dry fruit function air fryer Download PDFInfo
- Publication number
- CN208156530U CN208156530U CN201820436480.XU CN201820436480U CN208156530U CN 208156530 U CN208156530 U CN 208156530U CN 201820436480 U CN201820436480 U CN 201820436480U CN 208156530 U CN208156530 U CN 208156530U
- Authority
- CN
- China
- Prior art keywords
- control
- chip microcontroller
- control circuit
- fan motor
- port
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Control Of Resistance Heating (AREA)
Abstract
The utility model relates to a kind of control circuits for dry fruit function air fryer, including single-chip microcontroller, control of Fan Motor circuit, temperature sensor and heating tube control circuit, the single-chip microcontroller is connected with control of Fan Motor circuit, temperature sensor and heating tube control circuit respectively, and the control of Fan Motor circuit includes signal control circuit part and silicon-controlled；The input terminal of the switch sections is connected with the first I/O port of single-chip microcontroller, and the output end of the signal control circuit part passes through silicon-controlled connection fan motor；First I/O port of the single-chip microcontroller is used for output waveform signals.The utility model can control the purpose that air quantity realizes production dry fruit.
Description
Technical field
The utility model relates to a kind of control circuits, more particularly to a kind of control electricity for dry fruit function air fryer
Road.
Background technique
Air fryer is using high-speed air circulating technology, and by Rapid Circulation hot-air and internal spiral lines
Unique combination is to make culinary art effect achieve the effect that the kitchen tools of fry and mouthfeel.And existing air fryer can not make
Dried fruit food, and the utility model inventors have found that its main cause has a two o'clock, one, the fan of existing air fryer
Motor is controlled by relay, and its power is fixed, thus formed air quantity it is larger, when chankings heating to a certain extent after due to
Moisture evaporation, therefore the weight of chankings can mitigate, and can blow afloat chankings when wind-force is larger, to be unable to complete；Two, existing
The heating temperature of air fryer is excessively high, and excessively high temperature bakes the chankings being put into, so that dry fruit cannot be formed.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of control circuit for dry fruit function air fryer,
The purpose that air quantity realizes production dry fruit can be controlled.
Technical solution adopted by the utility model to solve its technical problems is：It provides a kind of fried for dry fruit function air
The control circuit of pot, including single-chip microcontroller, control of Fan Motor circuit, temperature sensor and heating tube control circuit, the monolithic
Machine is connected with control of Fan Motor circuit, temperature sensor and heating tube control circuit respectively, the control of Fan Motor circuit
Including signal control circuit part and silicon-controlled；First I/O port phase of the control terminal of the signal control circuit part and single-chip microcontroller
Even, the output end of the signal control circuit part passes through silicon-controlled connection fan motor；First I/O port of the single-chip microcontroller is used
In output waveform signals.
First I/O port of the single-chip microcontroller passes through PWM technology and carrier technology output waveform signals.
The signal control circuit part includes the first PNP type triode switching circuit and photo-coupler, the first PNP
The base stage of type transistor switching circuit is connected by a resistance with the first I/O port of the single-chip microcontroller, and emitter connects power supply
End, collector are connected by a resistance with the anode of photo-coupler；The cathode of the photo-coupler passes through a resistance eutral grounding,
First high voltage control end is connected with the silicon-controlled control electrode, and the second high voltage control end connects the fire of AC power source by resistance
Line；The silicon-controlled first anode is connected with fan motor, and second plate is connected with the firewire of AC power source.
The temperature sensor is realized using NTC detection circuit.
The heating tube control circuit includes the second PNP type triode switching circuit and relay；Second positive-negative-positive three
The base stage of pole pipe switching circuit is connected by a resistance with the second I/O port of single-chip microcontroller, and emitter connects power end, collector
It is connected with the coil input end of the relay, the switch of the relay is connected with heating tube；The single-chip microcontroller passes temperature
The temperature and preset threshold value comparison of sensor detection, and the second I/O port output control signal is passed through according to comparison result.
Beneficial effect
Due to the adoption of the above technical solution, the utility model compared with prior art, has the following advantages that and accumulates
Pole effect：The utility model, come driving fan, changes the on-off of optocoupler, benefit using the on-off of PNP type triode by silicon-controlled
Change silicon-controlled output voltage with optocoupler on-off, by changing silicon-controlled output voltage, is supplied to change fan motor both ends
Piezoelectric voltage, so that the revolving speed of fan motor is adjusted, to control motor air volume；Domestic temperature is detected using temperature sensor, and
Single-chip microcontroller is fed back to, single-chip microcontroller controls heating tube according to value of feedback and realizes heating to prevent temperature excessively high.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the embodiments of the present invention fan motor electric operation control circuit figure；
Fig. 3 is silicon-controlled output voltage curve figure in the embodiments of the present invention；
Fig. 4 is heat-generating pipe electric operation control circuit figure in the embodiments of the present invention.
Specific embodiment
The present invention will be further illustrated below in conjunction with specific embodiments.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it should also be understood that, in the content for having read the utility model instruction
Later, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms equally fall within this Shen
It please the appended claims limited range.
The embodiments of the present invention is related to a kind of control circuit for dry fruit function air fryer, as shown in Figure 1,
Including single-chip microcontroller, control of Fan Motor circuit, temperature sensor and heating tube control circuit, the single-chip microcontroller is electric with fan respectively
Machine control circuit, temperature sensor are connected with heating tube control circuit, and the control of Fan Motor circuit includes signal control electricity
Road part and silicon-controlled；The control terminal of the signal control circuit part is connected with the first I/O port of single-chip microcontroller, the signal control
The output end of circuit part processed passes through silicon-controlled connection fan motor；First I/O port of the single-chip microcontroller is believed for output waveform
Number, PWM technology (pulsewidth is adjusted to scheme) and carrier technology output waveform signals can be passed through.
The signal control circuit part includes the first PNP type triode switching circuit and photo-coupler, the first PNP
The base stage of type transistor switching circuit is connected by a resistance with the first I/O port of the single-chip microcontroller, and emitter connects power supply
End, collector are connected by a resistance with the anode of photo-coupler；The cathode of the photo-coupler passes through a resistance eutral grounding,
First high voltage control end is connected with the silicon-controlled control electrode, and the second high voltage control end connects the fire of AC power source by resistance
Line；The silicon-controlled first anode is connected with fan motor, and second plate is connected with the firewire of AC power source.
In present embodiment, in such a way that single-chip I/O mouth pulse width is warbled and carrier technology, PNP tri- is adjusted
The conduction mode (2ms cut-off, 8ms conducting) of pole pipe, and the on-off of PNP triode controls the on-off of photo-coupler, optical coupling
The on-off of device changes silicon-controlled output voltage.By changing silicon-controlled output voltage, supplied to change fan motor both ends
Piezoelectric voltage controls fan motor air quantity, to adjust the revolving speed of motor to prevent fan motor air quantity excessive.
As shown in Fig. 2, by taking 50Hz as an example, ZERO mouthfuls of single-chip microcontroller by zero cross detection circuit (composition such as PC817) with
125uS is that a cycle constantly detects zero cross signal, to detect the zero crossing of mains supply input, and feeds back to single-chip microcontroller,
After detecting zero passage, the IO-FAN mouth of single-chip microcontroller starts to control PNP type triode on state, realizes carrier technology, reaches control
Make the purpose of silicon-controlled output voltage.
After single-chip microcontroller detects zero cross signal, in the half period that zero crossing starts, first IO-FAN mouthfuls first exports 2ms's
High level, then export the low level of 8ms；The switching circuit of triode S8550 composition, 2ms cut-off, 8ms conducting；Passing through optocoupler
Clutch controls bidirectional triode thyristor BT134,2ms shutdown, 8ms conducting；And it is silicon-controlled to be turned off in next zero cross signal.In this way per half
In a period, the output voltage of bidirectional triode thyristor BT134 is lower than line voltage, to reach the mesh for reducing blower motor revolving speed
's.Silicon-controlled output voltage curve is as shown in Figure 3.
The temperature sensor is realized using NTC detection circuit.It can be examined using NTC (MF58 type B25=3950K+/- 1%)
The temperature in pot is surveyed, and single-chip microcontroller is fed back to by the AD mouth of single-chip microcontroller, is compared, is setting with the threshold value set in single-chip microcontroller
At a temperature of fixed, the working condition of heat-generating pipe is controlled.For example, 30 degrees Celsius of operating temperature as product of the threshold value set, if this
When the temperature that detects of NTC be 25 degrees Celsius, not up to set, heat-generating pipe continues to heat；If the temperature detected at this time is 35
Degree Celsius, setting is alreadyd exceed, heat-generating pipe stops heating.
The heating tube control circuit includes the second PNP type triode switching circuit and relay；Second PNP type triode
The base stage of switching circuit is connected by a resistance with the second I/O port of single-chip microcontroller, and emitter connects power end, collector and institute
The coil for stating relay is connected, and the high pressure port of the relay is connected with heating tube；The single-chip microcontroller examines temperature sensor
The temperature of survey and preset threshold value comparison, and the second I/O port output control signal is passed through according to comparison result.
As shown in figure 4, the IO-HEAT mouth of single-chip microcontroller exports low level, PNP when single-chip microcontroller sending begins to warm up instruction
Triode S8550 conducting, trigger relay coil are closed relay switch, heat-generating pipe heating；It is heated when single-chip microcontroller issues
When halt instruction, the IO-HEAT mouth of single-chip microcontroller exports high level, PNP triode S8550 cut-off, and trigger relay coil makes
Relay switch is opened, and heat-generating pipe stops heating.
It is not difficult to find that the utility model by silicon-controlled come driving fan, change silicon-controlled output using optocoupler on-off
Voltage, by changing silicon-controlled output voltage, to change fan motor both ends supply voltage, to adjust turning for fan motor
Speed, to control motor air volume；Domestic temperature is detected using temperature sensor, and feeds back to single-chip microcontroller, and single-chip microcontroller is according to feedback
Value controls heating tube and realizes heating to prevent temperature excessively high.
Claims (5)
1. a kind of control circuit for dry fruit function air fryer, including single-chip microcontroller, control of Fan Motor circuit, temperature sensing
Device and heating tube control circuit, the single-chip microcontroller control electricity with control of Fan Motor circuit, temperature sensor and heating tube respectively
Road is connected, which is characterized in that the control of Fan Motor circuit includes signal control circuit part and silicon-controlled；The signal control
The control terminal of circuit part processed is connected with the first I/O port of single-chip microcontroller, and the output end of the signal control circuit part passes through controllable
Silicon connects fan motor；First I/O port of the single-chip microcontroller is used for output waveform signals.
2. the control circuit according to claim 1 for dry fruit function air fryer, which is characterized in that the single-chip microcontroller
The first I/O port pass through PWM technology and carrier technology output waveform signals.
3. the control circuit according to claim 1 for dry fruit function air fryer, which is characterized in that the signal control
Circuit part processed includes the first PNP type triode switching circuit and photo-coupler, the first PNP type triode switching circuit
Base stage is connected by a resistance with the first I/O port of the single-chip microcontroller, and emitter connects power end, and collector passes through an electricity
Resistance is connected with the anode of photo-coupler；The cathode of the photo-coupler passes through a resistance eutral grounding, the first high voltage control end and institute
It states silicon-controlled control electrode to be connected, the second high voltage control end connects the firewire of AC power source by resistance；Described silicon-controlled
One anode is connected with fan motor, and second plate is connected with the firewire of AC power source.
4. the control circuit according to claim 1 for dry fruit function air fryer, which is characterized in that the temperature passes
Sensor is realized using NTC detection circuit.
5. the control circuit according to claim 1 for dry fruit function air fryer, which is characterized in that the heating tube
Control circuit includes the second PNP type triode switching circuit and relay；The base stage of the second PNP type triode switching circuit
It is connected by a resistance with the second I/O port of single-chip microcontroller, emitter connects power end, the coil of collector and the relay
Input terminal is connected, and the switch of the relay is connected with heating tube；Temperature that the single-chip microcontroller detects temperature sensor and pre-
The threshold value comparison first set, and the second I/O port output control signal is passed through according to comparison result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436480.XU CN208156530U (en) | 2018-03-29 | 2018-03-29 | A kind of control circuit for dry fruit function air fryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436480.XU CN208156530U (en) | 2018-03-29 | 2018-03-29 | A kind of control circuit for dry fruit function air fryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208156530U true CN208156530U (en) | 2018-11-27 |
Family
ID=64380618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820436480.XU Active CN208156530U (en) | 2018-03-29 | 2018-03-29 | A kind of control circuit for dry fruit function air fryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208156530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794897A (en) * | 2019-11-28 | 2020-02-14 | 广东豹鼎厨具设备有限公司 | Temperature adjusting system of fryer and control method thereof |
-
2018
- 2018-03-29 CN CN201820436480.XU patent/CN208156530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110794897A (en) * | 2019-11-28 | 2020-02-14 | 广东豹鼎厨具设备有限公司 | Temperature adjusting system of fryer and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107013955A (en) | Electric cooking pot and its control method | |
| CN208156530U (en) | A kind of control circuit for dry fruit function air fryer | |
| CN110206719B (en) | Electromagnetic pump control system, method and household appliance | |
| CN105307293B (en) | The electric rice cooker heated circuit of 220V AC voltage power supply | |
| CN214474655U (en) | Intelligent control system of steaming and baking box | |
| CN100449430C (en) | Electric rice cooker power-saving circuit | |
| CN201005501Y (en) | Rice Cooker Power Saving Device | |
| CN203104810U (en) | Heating device for preventing dry heating | |
| CN208658649U (en) | A kind of juice extractor with heating function | |
| CN105509455A (en) | Dryer temperature control system based on three-wire-drive filter circuit | |
| CN105323875B (en) | The electric rice cooker heated circuit of 12V~24V DC-voltage supplies | |
| CN209017861U (en) | A kind of dryer | |
| CN211785749U (en) | Alternating current detection circuit and household appliance | |
| CN210405668U (en) | Power regulating circuit of heater | |
| CN204141641U (en) | Electricity cooking pot and controller for heat sink thereof | |
| CN210694387U (en) | Heating circuit and household appliance | |
| CN208834198U (en) | A kind of temperature control circuit of low cost | |
| CN208204549U (en) | The petroleum pipeline heating device of photovoltaic power supply | |
| CN202698887U (en) | Electric oven possessing constant temperature heating function | |
| CN114625192A (en) | Air fryer control circuit based on single chip microcomputer | |
| CN110780109A (en) | Resistive load detection circuit and detection method | |
| CN205338716U (en) | Energy -conserving even electric backing pan that just is heated | |
| CN117826690B (en) | Electrical protection circuit for household appliances | |
| CN206977279U (en) | A kind of heating arrangement that can improve motor insulation values automatically | |
| CN206836770U (en) | A kind of electric steamer with second source socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315327 558 weft two road, nundong Industrial Zone, Hangzhou Bay New District, Ningbo, Zhejiang Patentee after: Ningbo Jiale Intelligent Technology Co.,Ltd. Address before: 315327 558 weft two road, nundong Industrial Zone, Hangzhou Bay New District, Ningbo, Zhejiang Patentee before: NINGBO CARELINE ELECTRIC APPLIANCE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |