CN104146597A - Fuzzy control electric pressure cooker meeting personalized cooking demands and control method thereof - Google Patents
Fuzzy control electric pressure cooker meeting personalized cooking demands and control method thereof Download PDFInfo
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- CN104146597A CN104146597A CN201410364023.0A CN201410364023A CN104146597A CN 104146597 A CN104146597 A CN 104146597A CN 201410364023 A CN201410364023 A CN 201410364023A CN 104146597 A CN104146597 A CN 104146597A
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Abstract
The invention discloses a fuzzy control electric pressure cooker meeting personalized cooking demands and a control method thereof. The fuzzy control electric pressure cooker comprises a PC personal computer), a USB (universal serial bus) loading module, a controller and an electric pressure cooker body which are connected in order. The electric pressure cooker body, the controller and the USB loading module are all connected with mains supply. The controller is composed of a single-chip microcomputer, a temperature acquisition module and a relay module. When the fuzzy control electric pressure cooker is in operation, the USB loading module communicates with the PCB to load a personalized menu; the controller performs fuzzy control on the electric pressure cooker body through the temperature acquisition module and the relay module; an actual heating curve is close to an ideal curve.
Description
Technical field
The present invention relates to a kind of electric pressure cooking saucepan, particularly a kind of fuzzy control electric pressure cooking saucepan and method of satisfying personalized cooking demand.
Background technology
Intelligentized concept has progressively been penetrated into every field, and household electric appliances can not make an exception, and along with the continuous increase of computing capability, consumer has higher requirement to traditional home appliance.China resident, mainly under the overall situation taking grains such as rice as staple food, electric pressure cooking saucepan represents as typical household electrical appliances, is playing the part of in the family very important role.Traditional electric pressure cooking saucepan is limited to traditional logic circuit, can only improve the rice-cooking function of single-mode, and the course of work operates with single power, cannot meet the difference different demands of rice to power in link that boil, cannot ensure rice quality, its single function has also been limited to the ability to work of electric pressure cooking saucepan.And the pressure-cooker taking single-chip microcomputer as core occurring subsequently captures electric pressure cooking saucepan market fast, this type of electric pressure cooking saucepan has increased multiple cooking mode, has increased the alternative of utilizing electric pressure cooking saucepan cooking type, has expanded the use interval of electric pressure cooking saucepan.But this type of electric pressure cooking saucepan also has its not enough aspect:
1, actual heating process is uncontrollable
In this type of electric pressure cooking saucepan course of work, follow the temperature funtion heating designing, be switched to insulation pattern by temperature detect switch (TDS) when arriving after uniform temperature, in whole process, cannot ensure to set the realization of function curve, affect cooking quality.
2, insulation pattern is single
The pressure-cooker provides multiple cooking mode, but all cooking modes are taked to same insulation pattern, under same temperature, is incubated, and this will cause the decline of gratin quality in insulation situation.
3, autgmentability is not good enough
Although the pressure-cooker provides multiple cooking mode, heating schedule has been encapsulated in single-chip microcomputer, that is to say that heating mode is fixing.Obviously this type of electric pressure cooking saucepan cannot meet user different food is taked the demand of different heating process, cannot on former basis, add new cooking mode, and then cannot meet the demand of the user individual cooking.
Summary of the invention
In order to overcome the shortcoming and deficiency of prior art existence, the invention provides a kind of fuzzy control electric pressure cooking saucepan and method of satisfying personalized cooking demand.
The present invention can realize the demand of different food being carried out to the personalized cooking by loading different heating curves, takes the real-time control of fuzzy control implementation procedure.
The present invention adopts following technical scheme:
A kind of fuzzy control electric pressure cooking saucepan of satisfying personalized cooking demand, comprise the PC, USB load-on module, controller and the electric pressure cooking saucepan that connect successively, described electric pressure cooking saucepan, controller and USB load-on module are electrically connected with city respectively, and described controller is made up of single-chip microcomputer, temperature collect module and relay module.
Described temperature collect module comprises thermocouple and AD/DA conversion chip.
Described relay module is made up of 74HC14 chip, LN2003D chip and relay.
Described USB load-on module comprises power supply circuits and PDIUSBD12 chip.
A control method for the fuzzy control electric pressure cooking saucepan of satisfying personalized cooking demand, described single-chip microcomputer adopts fuzzy logic inference, changes the Duty ratio control power output of current electrifying, realizes heating curves and ideal curve matching, and concrete steps comprise:
After electric pressure cooking saucepan program initialization, gather initial temperature, and start Operation at full power t minute, gathers the rate of temperature change in t minute, by initial temperature and rate of temperature change carry out fuzzy reasoning obtain thing amount number, further determine the initial power heating;
In cooking process, adopt fuzzy control to realize the requirement of actual heating curves and the abundant matching of target heating curves, carry out fuzzy reasoning by the collection of temperature difference and rate of temperature change, adjust the power in next moment, and then realize the control of heating curves;
Described target heating curves is downloaded and is obtained by PC by USB load-on module.
In heating curves, add keeping temprature curve, and then realize different insulation patterns.
Described fuzzy reasoning control adopts fuzzy look-up table to realize.
In cooking process, 1 second temperature acquisition time, acquisition time is spaced apart 5-10 second.
Beneficial effect of the present invention:
(1) utilize fuzzy algorithmic approach that the degree of fitting of actual heating curves and target heating curves is provided;
(2) in heating curves, add keeping temprature curve, realize different insulation patterns;
(3) user can be connected by usb communication the loading that realizes personalized menu with PC;
(4) mode of taking to control dutycycle regulates heating power, simple in structure, contrasts other mode energy consumptions low.
Brief description of the drawings
Fig. 1 is circuit block diagram of the present invention;
Fig. 2 is workflow diagram of the present invention;
Fig. 3 is USB load-on module circuit diagram of the present invention;
Fig. 4 is controller circuitry figure of the present invention.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, a kind of fuzzy control electric pressure cooking saucepan of satisfying personalized cooking demand, comprises the USB load-on module, controller and the electric pressure cooking saucepan that connect successively; The other end of described USB load-on module is connected with PC, user downloads by PC or the customized heating curves of cooking well, then realize and the communicating by letter of electric pressure cooking saucepan by USB load-on module, realize electric pressure cooking saucepan menu, i.e. the renewal of target heating curves and thing amount inference logic table; Described electric pressure cooking saucepan, controller and USB load-on module are electrically connected with city respectively; Described USB load-on module, control module, electric pressure cooking saucepan connect public land end.When work, civil power is electric pressure cooking saucepan power supply, and main body circuit is by voltage-drop loading at electrical pressure cooker heating dish two ends, and civil power is USB load-on module and controller power supply by transformation rectification.In the course of work, controller, by temperature collect module Real-time Collection temperature, is realized the fuzzy control to electric pressure cooking saucepan main body, and then is made actual heating curves and ideal heating curve matching.
As shown in Figure 2, controller comprises single-chip microcomputer, temperature collect module and relay module, described single-chip microcomputer adopts fuzzy logic inference, change the Duty ratio control power output of current electrifying, realize heating curves and ideal curve matching, fuzzy control takes mainly to comprise two parts: the fuzzy control of thing amount and the fuzzy control of heating power, and concrete steps are as follows:
After electric pressure cooking saucepan initializes, gather initial temperature, be generally room temperature, under original state, take full power heating 1 minute, the concrete time can be determined according to actual conditions, by initial temperature, rate of temperature change after 1 minute, adopt fuzzy logic operation infer thing amount in electric pressure cooking saucepan number, determine initial heating power;
In heating process, adopt fuzzy control to realize the requirement of actual heating curves and the abundant matching of target heating curves, carry out fuzzy reasoning by the collection of temperature and rate of temperature change, adjust the power in next moment, and then realize the control of heating curves, the general temperature acquisition time is 1S, and acquisition time is spaced apart 5-10S.
Fuzzy reasoning control described in process is all to adopt fuzzy look-up table to realize.
As shown in Figure 3, USB load-on module is made up of power supply circuits, PDIUSBD12 chip and peripheral circuit.Transmission data on usb bus are taking bag as base unit, and one coated is divided into different territories.According to dissimilar bag, the territory comprising is different.But different bags all will start with synchronization field, followed by a PID Packet Identifier PID (Packet Identifier), finally finish this bag with end-of-packet symbol EOP (End Of Packet).4 class bags in usb protocol, are specified, respectively: start the token packet of once transmission, the packet of transmission data, handshake packet and the special packet of confirmation transmission.According to certain relation, package is made into affairs (transaction) and just can transmits data.This module can realize communicating by letter of electric pressure cooking saucepan and PC, realizes the renewal of menu
As shown in Figure 4, described controller is made up of single-chip microcomputer, temperature collect module and relay module.Described temperature collect module gathers the real time temperature in electric pressure cooking saucepan by thermocouple, and changes program numbers signal by AD and enter in single-chip microcomputer, and single-chip microcomputer is by fuzzy logic inference, output power signal; The circuit that power output signal consists of 74HC14 chip and LN2003D chip, to the control of relay, and then controls the dutycycle of switching on, thereby realizes the control of power.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not limited by the examples; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (8)
1. the fuzzy control electric pressure cooking saucepan of a satisfying personalized cooking demand, it is characterized in that, comprise the PC, USB load-on module, controller and the electric pressure cooking saucepan that connect successively, described electric pressure cooking saucepan, controller and USB load-on module are electrically connected with city respectively, and described controller is made up of single-chip microcomputer, temperature collect module and relay module.
2. electric pressure cooking saucepan according to claim 1, is characterized in that, described temperature collect module comprises thermocouple and AD/DA conversion chip.
3. electric pressure cooking saucepan according to claim 1, is characterized in that, described relay module is made up of 74HC14 chip, LN2003D chip and relay.
4. electric pressure cooking saucepan according to claim 1, is characterized in that, described USB load-on module comprises power supply circuits and PDIUSBD12 chip.
5. according to the control method of electric pressure cooking saucepan described in claim 1-4 any one, it is characterized in that, described single-chip microcomputer adopts fuzzy logic inference, changes the Duty ratio control power output of current electrifying, realizes heating curves and ideal curve matching, and concrete steps comprise:
After electric pressure cooking saucepan program initialization, loaded targets heating curves, gathers initial temperature, and start Operation at full power t minute, gather the rate of temperature change in t minute, by initial temperature and rate of temperature change carry out fuzzy reasoning obtain thing amount number, further determine the initial power of heating;
In cooking process, adopt fuzzy control to realize the requirement of actual heating curves and the abundant matching of target heating curves, carry out fuzzy reasoning by the collection of temperature difference and rate of temperature change, adjust the power in next moment, and then realize the control of heating curves;
Described target heating curves is downloaded and is obtained by PC by USB load-on module.
6. control method according to claim 5, is characterized in that, adds keeping temprature curve in heating curves, and then realizes different insulation patterns.
7. control method according to claim 5, is characterized in that, described fuzzy reasoning control adopts fuzzy look-up table to realize.
8. control method according to claim 5, is characterized in that, in cooking process, 1 second temperature acquisition time, acquisition time is spaced apart 5-10 second.
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| CN201410364023.0A CN104146597A (en) | 2014-07-28 | 2014-07-28 | Fuzzy control electric pressure cooker meeting personalized cooking demands and control method thereof |
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| CN201410364023.0A CN104146597A (en) | 2014-07-28 | 2014-07-28 | Fuzzy control electric pressure cooker meeting personalized cooking demands and control method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304453A (en) * | 2016-08-01 | 2017-01-04 | 广东美的厨房电器制造有限公司 | Heat foods control method, equipment and comprise the cooking apparatus of this equipment |
| CN108143252A (en) * | 2018-01-11 | 2018-06-12 | 佛山市云米电器科技有限公司 | Cooker and method based on infrared detection |
| CN108459500A (en) * | 2017-02-17 | 2018-08-28 | 杭州老板电器股份有限公司 | A kind of intelligent cooking method, apparatus and kitchen range |
| CN108958315A (en) * | 2017-05-22 | 2018-12-07 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker rice-cooking heating control method and device |
| CN111096653A (en) * | 2018-10-26 | 2020-05-05 | 佛山市顺德区美的电热电器制造有限公司 | Operation control method, device, cooking appliance and computer readable storage medium |
| CN111820719A (en) * | 2020-07-15 | 2020-10-27 | 九阳股份有限公司 | Cooking control method based on rice quantity judgment |
| CN112401636A (en) * | 2020-11-25 | 2021-02-26 | 珠海格力电器股份有限公司 | Electric cooker heating control method and device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304453A (en) * | 2016-08-01 | 2017-01-04 | 广东美的厨房电器制造有限公司 | Heat foods control method, equipment and comprise the cooking apparatus of this equipment |
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| CN108459500A (en) * | 2017-02-17 | 2018-08-28 | 杭州老板电器股份有限公司 | A kind of intelligent cooking method, apparatus and kitchen range |
| CN108958315A (en) * | 2017-05-22 | 2018-12-07 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker rice-cooking heating control method and device |
| CN108958315B (en) * | 2017-05-22 | 2020-11-06 | 佛山市顺德区美的电热电器制造有限公司 | Method and device for controlling cooking and heating of electric cooker |
| CN108143252A (en) * | 2018-01-11 | 2018-06-12 | 佛山市云米电器科技有限公司 | Cooker and method based on infrared detection |
| CN111096653A (en) * | 2018-10-26 | 2020-05-05 | 佛山市顺德区美的电热电器制造有限公司 | Operation control method, device, cooking appliance and computer readable storage medium |
| CN111820719A (en) * | 2020-07-15 | 2020-10-27 | 九阳股份有限公司 | Cooking control method based on rice quantity judgment |
| CN111820719B (en) * | 2020-07-15 | 2021-10-08 | 九阳股份有限公司 | Cooking control method based on rice quantity judgment |
| CN112401636A (en) * | 2020-11-25 | 2021-02-26 | 珠海格力电器股份有限公司 | Electric cooker heating control method and device |
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Application publication date: 20141119 |