CN215642432U

CN215642432U - Intelligent air fryer circuit with double-frying-barrel function

Info

Publication number: CN215642432U
Application number: CN202121873056.XU
Authority: CN
Inventors: 袁进; 尚宇; 张振番
Original assignee: China Key System and Integrated Circuit Co Ltd
Current assignee: China Key System and Integrated Circuit Co Ltd
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2022-01-25
Anticipated expiration: 2031-08-11

Abstract

The utility model discloses an intelligent air fryer circuit with a double-barrel frying function, and relates to the technical field related to air fryer circuits, which comprises a touch key module, a temperature acquisition module and a power-down memory module, wherein the output ends of the touch key module, the temperature acquisition module and the power-down memory module are connected with an MCU (micro controller unit), the output end of the MCU is connected with a heating module, a fan control module, a buzzer control module and a nixie tube display driving module, the output end of the nixie tube display driving module is connected with a nixie tube display module and an LED (light-emitting diode) display module, the input end of the MCU is connected with an entrance guard detection module and an AC-DC (alternating current-direct current) module, the output voltage of the AC-DC module is 5V, the input end of the AC-DC module is connected with a mains supply, and the AC-DC and mains supply connection end is provided with a fuse, a piezoresistor and a capacitor. Through the cooperation of above each electrical components use, can satisfy the different requirements of eating material processing to circuit design is compared simply, and is intelligent higher, the facilitate promotion.

Description

Intelligent air fryer circuit with double-frying-barrel function

Technical Field

The utility model relates to the technical field of air fryer circuits, in particular to an intelligent air fryer circuit with a double-frying-barrel function.

Background

The existing air fryer adopts a single-barrel design, so that the working mode is single, only one food material can be processed at a time, and for some special food materials, the expected temperature cannot be reached, and further the failure of food processing is caused, and when different food materials are fried, the required temperature difference is large, so that for an air fryer, in order to be capable of dealing with more complicated food materials for frying, the design difficulty of the air fryer is often required to be increased, various precise temperature control circuits are added, so that the cost of the air fryer is increased, therefore, the air fryer with a double-barrel structure is specially provided, and the air fryer can adapt to the processing requirements of different food materials, so as to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an intelligent air fryer circuit with a double-frying-barrel function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an intelligent air explodes pot circuit with two function of exploding bucket, including touch key module, temperature acquisition module falls electric memory module, touch key module, temperature acquisition module falls electric memory module's output and is connected with the MCU controller, the output of MCU controller is connected with heating module, fan control module, bee calling organ control module and charactron display driver module, charactron display driver module's output is connected with charactron display module and LED display module, the input of MCU controller is connected with entrance guard's detection module and AC-DC module, make the collection scope of power more extensive.

Preferably, the output voltage of the AC-DC module is 5V, the input end of the AC-DC module is connected with a mains supply, and a fuse, a voltage dependent resistor and a capacitor are arranged at the connection end of the AC-DC module and the mains supply, so that the stability and the safety of electric energy supply are improved.

Preferably, there are two heating pipes in the heating module, and two heating pipes are connected with the relay respectively, and two relays are single-pole double-throw relay and single-pole single-throw relay respectively, and the input of two relays all is connected with the output of MCU controller, realizes controlling respectively two heating pipes.

Preferably, the fan control module is provided with two fan circuits which respectively control one fan, and a Darlington chip is arranged between the fan circuits and the MCU controller.

Preferably, the temperature acquisition module is provided with two way temperature detect circuit, and two way temperature detect circuit match with two heating pipes respectively, can utilize temperature sensor to carry out the control by temperature change of heating pipe, make the process of frying of eating the material intelligent more.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model discloses an intelligent air fryer circuit with a double-frying-barrel function, which can enable two frying barrels to be not interfered with each other through the independence of the two frying barrels and the temperature sensing and switching circuits arranged in the two independent frying barrels in a matched mode, so that different food materials can be processed at the same time, meanwhile, the working temperature in the two frying barrels can be accurately adjusted through a temperature control module, different food materials can be processed at the same time, the same food material can be processed at the same time, the requirement of food frying in daily life is met, the circuit design is simple, and the intelligent air fryer circuit is convenient to popularize.

Drawings

FIG. 1 is a schematic block diagram of a circuit according to an embodiment of the present invention;

FIG. 2 is a schematic circuit diagram of an AC-DC module according to an embodiment of the present invention;

FIG. 3 is a schematic circuit diagram of a door access detection module according to an embodiment of the present invention;

FIG. 4 is a schematic circuit diagram of a heating module according to an embodiment of the present invention;

FIG. 5 is a schematic circuit diagram of a fan control module according to an embodiment of the present invention;

FIG. 6 is a schematic circuit diagram of a buzzer control module according to an embodiment of the present invention;

FIG. 7 is a schematic diagram of a digital tube display driver module according to an embodiment of the present invention;

FIG. 8 is a schematic circuit diagram of a temperature acquisition module according to an embodiment of the present invention;

FIG. 9 is a schematic circuit diagram of a nixie tube display module according to an embodiment of the utility model;

FIG. 10 is a schematic circuit diagram of an LED display module according to an embodiment of the present invention;

FIG. 11 is a schematic circuit diagram of a touch key module according to an embodiment of the present invention;

FIG. 12 is a schematic diagram of a power down memory module circuit according to an embodiment of the utility model.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-12, the present embodiment provides an intelligent air fryer circuit with a double-barrel frying function, including a touch key module, a temperature acquisition module and a power-down memory module, where output ends of the touch key module, the temperature acquisition module and the power-down memory module are connected to an MCU controller, the MCU controller is an SC92F8516 type single chip microcomputer in the prior art, and the MCU controller is configured to output a control signal and detect a touch key signal and an NTC voltage.

Wherein, in order to satisfy the two fried bucket functions, need 2 ways NTC to carry out temperature sampling to two fried buckets. The 100K thermistor is powered by DC5V, and voltage values are respectively acquired by the single chip microcomputer through 2 paths of ADC through R11, R12, R13 and R14 voltage division. And calculating the current temperature of the left frying barrel and the right frying barrel according to a voltage-temperature comparison table of the 100K thermistor.

The input of the power panel is AC220V/AC110V, the power panel is converted into DC5V through an AC-DC module, and the DC5V supplies power to an MCU (SC 92F 8445B), a buzzer, a relay, a nixie tube, an LED lamp, an NTC and the like.

The nixie tube display driving module and the nixie tube display driving module are powered by DC5V, the single chip microcomputer sends a control instruction to be transmitted to the driving chip through two signal lines of DIO and CLK, and a plurality of SEG and COM ports are controlled in a dynamic scanning mode to carry out nixie tube display and light each corresponding LED indicator lamp.

The touch key module is divided into a mode, a time, a temperature, a menu and a power supply, can control the air fryer in multiple working modes, and can set different working modes (free work of a left fryer/a right fryer, intelligent work of the left fryer/the right fryer and synchronous work of the left fryer/the right fryer), working time, working temperature and menus through the touch key. In addition, a nixie tube displays, an indicator light lights corresponding icons for prompting the working state, and a buzzer prompts after the work is finished.

A plurality of I/O ports of the single chip microcomputer have a high-sensitivity touch key detection function, when a human body touches the surface of the spring, capacitance values of the capacitors can be changed to form input signals, and the single chip microcomputer judges which touch key is pressed down and executes corresponding operation.

The output end of the MCU controller is connected with a heating module, a fan control module, a buzzer control module and a nixie tube display driving module, the output end of the nixie tube display driving module is connected with a nixie tube display module and an LED display module, and the input end of the MCU controller is connected with an entrance guard detection module and an AC-DC module.

The principle of charging and discharging a large capacitor is utilized. In a normal working mode, charging the capacitor until the capacitor is saturated; when the power supply is disconnected, the capacitor is slowly discharged, and at the moment of next electrification, the MCU judges whether the current range is 2 hours or not by measuring the voltage value of the capacitor at the moment.

The on-off of the triode is controlled by the singlechip to output 2KHz square waves to drive the buzzer, and the display panel part comprises a singlechip peripheral circuit, a touch key, a power-down memory, a nixie tube and an LED drive.

The output voltage of the AC-DC module is 5V, the input end of the AC-DC module is connected with the mains supply, and the connecting end of the AC-DC module and the mains supply is provided with a fuse, a piezoresistor and a capacitor.

ACL and ACN are strong-current input, firstly pass through protective devices such as a fuse, a voltage dependent resistor and an X2 capacitor, then are rectified by a D1 half-bridge and a D2 half-bridge, E1, L1 and E2 form pi-type filtering to smooth the rectified waveform, and finally the voltage is converted into DC5V by a U1 power supply chip (adjusting the feedback resistance values of R3 and R4).

The double-barrel entrance guard detection device is used for detecting double-barrel entrance guard of a fryer power supply and can be compatible with 220V and 110V voltage detection. The gate 1 and the gate 2 are gate control voltage signals acquired by the single chip microcomputer, the COM1 and the COM2 are connected to a zero line ACN through a microswitch, gate control voltage is obtained through diode rectification and resistance-capacitance voltage division filtering, and the single chip microcomputer acquires and judges voltage parameters through AD to display the voltage parameters at the temperature of Fahrenheit and Celsius degrees.

In order to satisfy the function of the double frying barrels, 2 heating pipes are needed to be equipped to respectively heat the left frying barrel and the right frying barrel. In consideration of safety, the series connection of K1 and K2 ensures that only one relay acts at the same time, wherein K1 is a single-pole double-throw relay, and K2 is a single-pole single-throw relay; and a square wave output by the singlechip is used for controlling the relay, so that the heating pipe is controlled to be switched on and off, and the stability is enhanced.

When the NTC acquires that the temperature of the corresponding frying barrel reaches a set value, the corresponding relay is closed; when the temperature is lower than the set value, the relay is opened again, the temperature is raised by heating to achieve the temperature control effect, and different working modes have different temperature control modes.

There are two heating pipes in the heating module, and two heating pipes are connected with the relay respectively, and two relays are single-pole double-throw relay and single-pole single-throw relay respectively, and the input of two relays all is connected with the output of MCU controller.

In order to meet the function of double frying barrels, 2 circuits of fans are required to be arranged and controlled respectively. The silicon controlled rectifier is controlled by the single chip microcomputer, and the single chip microcomputer outputs high level to the Darlington chip, so that on-off control of the fan is performed. When the fan works, high-temperature circulation is formed in the cavity of the frying barrel, so that the effect of air-frying food is achieved.

Two fan circuits are arranged in the fan control module, the two fan circuits respectively control one fan, and a Darlington chip is arranged between the fan circuits and the MCU controller.

The temperature acquisition module is provided with two temperature detection circuits which are respectively matched with the two heating pipes.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligence air explodes pot circuit with two function of exploding a tub, includes touch key module, temperature acquisition module and falls electric memory module, its characterized in that: the output ends of the touch key module, the temperature acquisition module and the power-down memory module are connected with an MCU (micro controller unit) controller, the output end of the MCU controller is connected with a heating module, a fan control module, a buzzer control module and a nixie tube display driving module, the output end of the nixie tube display driving module is connected with a nixie tube display module and an LED (light-emitting diode) display module, and the input end of the MCU controller is connected with an entrance guard detection module and an AC-DC (alternating current-direct current) module.

2. The intelligent air fryer circuit with double fry vat function of claim 1, wherein: the output voltage of the AC-DC module is 5V, the input end of the AC-DC module is connected with a mains supply, and a fuse, a voltage dependent resistor and a capacitor are arranged at the connection end of the AC-DC module and the mains supply.

3. The intelligent air fryer circuit with double fry vat function of claim 1, wherein: the heating module is internally provided with two heating pipes which are respectively connected with a relay, the two relays are respectively a single-pole double-throw relay and a single-pole single-throw relay, and the input ends of the two relays are connected with the output end of the MCU controller.

4. The intelligent air fryer circuit with double fry vat function of claim 1, wherein: the fan control module is internally provided with two fan circuits which respectively control one fan, and a Darlington chip is arranged between the fan circuits and the MCU controller.

5. An intelligent air fryer circuit with dual fry vat functionality according to claim 3 wherein: the temperature acquisition module is provided with two temperature detection circuits which are respectively matched with the two heating pipes.