CN113391665A - Cooking pot heating control circuit and cooking pot - Google Patents
Cooking pot heating control circuit and cooking pot Download PDFInfo
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- CN113391665A CN113391665A CN202110821628.8A CN202110821628A CN113391665A CN 113391665 A CN113391665 A CN 113391665A CN 202110821628 A CN202110821628 A CN 202110821628A CN 113391665 A CN113391665 A CN 113391665A
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- cooking
- temperature controller
- heater
- pot
- control circuit
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
Abstract
The invention provides a cooking pot heating control circuit aiming at the limitations of the prior art, which comprises a cooking heater R1, a heat preservation heater R2, a temperature sensing temperature controller K1, an adjustable temperature controller K2, a timing switch K3 and an ultrasonic generator UG; a first end of the cooking heater R1 is connected with a live wire, and a second end of the cooking heater R1 is respectively connected with a first end of the temperature sensing temperature controller K1, a first end of the adjustable temperature controller K2 and a second end of the heat preservation heater R2; the second end of the temperature sensing temperature controller K1 and the second end of the adjustable temperature controller K2 are respectively connected with the first end of the ultrasonic generator UG; the second end of the ultrasonic generator UG is connected with the first end of the timing switch K3, and the second end of the timing switch K3 and the second end of the heat preservation heater R2 are connected with a zero line; it can shorten the culinary art time and promote taste and taste on realizing energy-conserving, constant temperature anti-overflow, multipurpose use effect.
Description
Technical Field
The invention relates to the technical field of household appliances; in particular, to heating control techniques for small appliances; and more particularly, to a cooking pan heating control circuit and a cooking pan.
Background
The invention discloses a Chinese patent with publication date of 2017.04.26 and publication number of CN 206119967U: a new electric rice cooker is taken as an example, the traditional mechanical electric rice cooker adopts components such as magnetic steel, a lever switch and the like; for many years, the traditional mechanical electric rice cooker is popular with consumers for a long time due to simple use and operation, low price and durable structure.
But due to the problems of the conventional rice cooker: the method is not suitable for a series of problems that porridge is easy to overflow, rice cooking taste is rough and easy to be half-cooked, and a switch is required to be specially taught due to high technological requirement of installing the switch, so that the after-sale cost of the product is increased, and the increasingly-improved consumer requirements of consumption concept can not be met; this results in that the traditional mechanical electric rice cooker is simple and easy to use, but is generally used only in consumer groups with basic consumption requirements, such as the old and the laggard rural areas. Although the existing novel computer electric cooker on the market improves some defects of the traditional mechanical electric cooker to a certain extent, can realize porridge cooking and improve the cooking taste, the novel computer electric cooker is not suitable for old people due to high price, long cooking time, high use failure rate and complex use and operation.
Disclosure of Invention
The invention provides a cooking pot heating control circuit and a cooking pot, aiming at solving the limitations of the prior art.
In order to realize the purpose, the technical scheme is as follows:
a cooking pot heating control circuit comprises a cooking heater R1, a heat preservation heater R2, a temperature sensing temperature controller K1, an adjustable temperature controller K2, a timing switch K3 and an ultrasonic generator UG;
wherein: a first end of the cooking heater R1 is connected with a live wire, and a second end of the cooking heater R1 is respectively connected with a first end of the temperature sensing temperature controller K1, a first end of the adjustable temperature controller K2 and a second end of the heat preservation heater R2;
the second end of the temperature sensing temperature controller K1 and the second end of the adjustable temperature controller K2 are respectively connected with the first end of the ultrasonic generator UG;
the second end of the ultrasonic generator UG is connected with the first end of the timing switch K3, and the second end of the timing switch K3 and the second end of the heat preservation heater R2 are connected with a zero line.
Compared with the prior art, the circuit scheme provided by the invention has the advantages that a plurality of groups of temperature controllers are combined with a scientific and efficient circuit control principle in the heating control circuit of the cooking pot, the original key switch and magnetic steel temperature limiter control structure of the conventional mechanical electric heating pot is replaced, the ultrasonic generator is additionally arranged, the cooking time can be shortened on the effects of energy conservation, constant temperature and anti-overflow and multipurpose use, and the taste and the mouthfeel are improved.
Further, the temperature sensing temperature controller K1 is a self-recoverable closed bimetallic strip temperature controller.
Furthermore, the adjustable temperature controller K2 is provided with a plurality of function gears with preset working temperature.
Further, the adjustable temperature controller K2 is a thermally compensated bimetallic strip temperature controller.
Further, an over-temperature fuse link RD is arranged between the first end of the cooking heater R1 and the live wire.
Furthermore, a cooking indicator lamp ZD1 and an indicator lamp current limiting resistor R3 are connected in parallel to the first end of the cooking heater R1 and the second end of the temperature sensing temperature controller K1.
Further, the heat preservation heater R2 is also connected in parallel with a heat preservation indicator light ZD2 and an indicator light current limiting resistor R4.
The invention also comprises the following:
a cooking pot comprises a base, a shell, an inner pot, an inner container and a pot cover, wherein the inner pot is arranged on the base and in the shell, the inner pot is used for accommodating the inner container, and the pot cover is arranged at the top of the inner pot; the heating working process is realized by the cooking pot heating control circuit.
Compared with the prior art, the cooking pot provided by the invention has the advantages that a plurality of groups of temperature controllers are combined with a scientific and efficient line control principle in a cooking pot heating control circuit, the original key switch and magnetic steel temperature limiter control structure of the conventional mechanical electric heating pot is replaced, the ultrasonic generator is additionally arranged, the cooking time can be shortened on the effects of energy conservation, constant temperature and anti-overflow and multipurpose use, and the taste and the mouthfeel are improved.
Further, the cooking heater R1 is annularly arranged around the bottom of the inner pot; the ultrasonic generator UG is arranged in the base, and the output of the ultrasonic generator UG faces the middle of the bottom of the inner pot.
Furthermore, the adjustable temperature controller K2 and the timing switch K3 are disposed on the control panel of the housing.
Drawings
Fig. 1 is a schematic diagram of a heating control circuit of a cooking pan according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a cooking pan heating control circuit 1 according to an embodiment of the present invention;
description of reference numerals:
r1, cooking heater; r2, a heat preservation heater; k1, a temperature sensing temperature controller; k2, an adjustable temperature controller; k3, timing switch; UG, ultrasonic generator; RD, over-temperature fuse link; ZD1, cooking indicator light; r3, indicator light current limiting resistor; ZD2, heat preservation pilot lamp; r4, indicator light current limiting resistance.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the embodiments described are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the embodiments in the present application.
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims. In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The invention is further illustrated below with reference to the figures and examples.
The invention is further illustrated below with reference to the figures and examples.
Specifically, please refer to fig. 1 and fig. 2.
Example 1
Referring to fig. 1, a heating control circuit of a cooking pot includes a cooking heater R1, a heat preservation heater R2, a temperature sensing temperature controller K1, an adjustable temperature controller K2, a timing switch K3 and an ultrasonic generator UG;
wherein: a first end of the cooking heater R1 is connected with a live wire, and a second end of the cooking heater R1 is respectively connected with a first end of the temperature sensing temperature controller K1, a first end of the adjustable temperature controller K2 and a second end of the heat preservation heater R2;
the second end of the temperature sensing temperature controller K1 and the second end of the adjustable temperature controller K2 are respectively connected with the first end of the ultrasonic generator UG;
the second end of the ultrasonic generator UG is connected with the first end of the timing switch K3, and the second end of the timing switch K3 and the second end of the heat preservation heater R2 are connected with a zero line.
Compared with the prior art, the circuit scheme provided by the invention has the advantages that a plurality of groups of temperature controllers are combined with a scientific and efficient circuit control principle in the heating control circuit of the cooking pot, the original key switch and magnetic steel temperature limiter control structure of the conventional mechanical electric heating pot is replaced, the ultrasonic generator is additionally arranged, the cooking time can be shortened on the effects of energy conservation, constant temperature and anti-overflow and multipurpose use, and the taste and the mouthfeel are improved.
Specifically, the cooking heater R1 may be implemented as a heating ring disposed in the inner pot of the cooking pot, and the warming heater R2 may be implemented as a warming plate disposed in the inner pot of the cooking pot.
Under the effect of the ultrasonic generator UG, the cooking food in the pot can be sped up, so that the heat transfer speed in the cooking process is further accelerated, the cooking food is heated more uniformly, the cooking time is shortened, and the taste and the mouthfeel are improved.
The adjustable temperature controller K2 and the timing switch K3 can be set by knobs.
The timing switch K3 changes the cooking time according to the amplitude of the knob rotation, and is disconnected when the time is zero; as long as the circuit is powered on and the timing switch K3 is in an off state, the heat preservation heater R2 is powered on to heat, and the circuit defaults to enter a heat preservation state. The cooking heater R1 and the heat preservation heater R2 are connected in series, the power of the cooking heater R1 is high, the power of the heat preservation heater R2 is low, when the circuit enters a heat preservation state, the cooking heater R1 and the heat preservation heater R2 form a high-low circuit, namely, the voltage difference between two ends of the cooking heater R1 is low, and the voltage between two ends of the heat preservation heater R2 is high; at the moment, the cooking heater R1 can only be used for conducting, the voltage at two ends of the cooking heater R1 is only a few volts, and no power is output; and the voltage at the two ends of the heat preservation heater R2 is close to the rated working voltage, and the heat preservation function is realized in normal work.
In an alternative embodiment, the temperature of the heat preservation heater R2 is controlled to be 60-80 ℃.
In an alternative embodiment, the time switch K3 can be set to operate for 0 to 90 minutes (0 minutes is the off state of the time switch K3) and "long on" (i.e. keep the cooking process without entering the keep warm state).
The adjustable temperature controller K2 is an adjustable temperature control switch, and the cooking temperature value is changed through the rotating amplitude of the knob to control the heating frequency of the cooking heater R1, so that the required cooking temperature is reached.
The temperature sensing temperature controller K1 is normally closed by default and is disconnected after a preset temperature value is measured; in the cooking process (in a non-heat preservation state), the cooking heater R1 is heated to a temperature value (about 90 ℃) which enables the temperature sensing temperature controller K1 to be disconnected, and then the selection end of the adjustable temperature controller K2 controls the cooking heater R1 to be heated to the required cooking temperature at constant temperature; during the heating process, the cooking heater R1 is switched on and off alternately to keep the temperature controlled by the selection end of the adjustable temperature controller K2.
As a preferred embodiment, the temperature sensing thermostat K1 is a self-recoverable closed bimetallic thermostat.
Furthermore, the adjustable temperature controller K2 is provided with a plurality of function gears with preset working temperature.
Specifically, adjustable temperature controller K2 is from taking the compensation heating setting, and the during operation can be from starting the compensation heating and respond to the space temperature of product work heating simultaneously, reaches to set up the temperature section and jump automatically and switch off cooking heater R1's power, wait that the temperature drops a definite value and automatic re-setting switches on again cooking heater R1 power.
Specifically, in an alternative embodiment, the functional steps and the corresponding operating temperatures of the adjustable temperature controller K2 are as follows:
the slow stewing function is as follows: when the power supply input is connected, the knob of the timing switch K3 is rotated to a designated time scale position, and the knob of the adjustable temperature controller K2 is rotated to a slow stewing position, the circuit can realize a slow stewing and heating function, realize a slow stewing and heating process, realize the working temperature in the range of 95-98 ℃, and realize the effect of slow stewing without overflowing. And after the working time is over, automatically switching to heat preservation and heating.
The porridge cooking function is as follows: when the power supply input is connected, the knob of the timing switch K3 is rotated to a designated time scale position, and the knob of the adjustable temperature controller K2 is rotated to a porridge cooking position, the working temperature is in the range of 95-99 ℃, and the effect of cooking porridge without overflowing is achieved. And after the working time is over, automatically switching to heat preservation and heating.
The rice cooking function: when the power supply input is switched on, the knob of the timing switch K3 is rotated to a designated time scale position, and the knob of the adjustable temperature controller K2 is rotated to a 'rice cooking' position, the rice cooking and heating process is realized; after the rice is cooked, the rice is automatically transferred to heat preservation and heating.
The cooking function is as follows: when the power input is switched on, the knob of the timing switch K3 is rotated to a 'long on' or designated time scale position, and the knob of the adjustable temperature controller K2 is rotated to a 'cooking' position, the working temperature is 100 ℃. If the knob of the timing switch K3 is rotated to the 'long on' position, the knob of the timing switch K3 needs to be rotated to the off state (namely 0 scale) to enable the circuit to enter the heat preservation and heating state; if the knob of the timing switch K3 is rotated to a specified time scale position, the operation process is automatically switched to heat preservation and heating after the working time is finished.
Furthermore, the adjustable temperature controller K2 is a thermally compensated bimetallic temperature controller.
Example 2
This embodiment can be regarded as an improvement or extension scheme obtained on the basis of embodiment 1, specifically:
a cooking pot heating control circuit comprises a cooking heater R1, a heat preservation heater R2, a temperature sensing temperature controller K1, an adjustable temperature controller K2, a timing switch K3 and an ultrasonic generator UG;
wherein: a first end of the cooking heater R1 is connected with a live wire, and a second end of the cooking heater R1 is respectively connected with a first end of the temperature sensing temperature controller K1, a first end of the adjustable temperature controller K2 and a second end of the heat preservation heater R2;
the second end of the temperature sensing temperature controller K1 and the second end of the adjustable temperature controller K2 are respectively connected with the first end of the ultrasonic generator UG;
the second end of the ultrasonic generator UG is connected with the first end of the timing switch K3, and the second end of the timing switch K3 and the second end of the heat preservation heater R2 are connected with a zero line;
and an overtemperature fuse link RD is also arranged between the first end of the cooking heater R1 and the live wire.
Specifically, the over-temperature fuse link RD is additionally arranged, so that a circuit can be disconnected when the circuit is overheated, and the danger caused by short circuit or overheating of the circuit is avoided.
Furthermore, a cooking indicator lamp ZD1 and an indicator lamp current limiting resistor R3 are connected in parallel to the first end of the cooking heater R1 and the second end of the temperature sensing temperature controller K1.
Specifically, by additionally arranging the cooking indicator lamp ZD1 and the indicator lamp current-limiting resistor R3, when the power input is turned on and the knob of the timing switch K3 rotates to a long-on position or a specified time scale position, the cooking indicator lamp ZD1 is turned on, and the display circuit is in a cooking and heating working state.
Further, the heat preservation heater R2 is also connected in parallel with a heat preservation indicator light ZD2 and an indicator light current limiting resistor R4.
Specifically, by additionally arranging the heat preservation indicator lamp ZD2 and the indicator lamp current-limiting resistor R4, when the power input is switched on and the knob of the timing switch K3 is rotated to be switched off (namely, 0 scale), the heat preservation indicator lamp ZD2 is turned on, and the display circuit is in a heat preservation working state.
Example 3
A cooking pot comprises a base, a shell, an inner pot, an inner container and a pot cover, wherein the inner pot is arranged on the base and in the shell, the inner pot is used for accommodating the inner container, and the pot cover is arranged at the top of the inner pot; the heating operation is realized by the cooking pot heating control circuit as described in embodiment 1 or 2.
Compare in prior art, the culinary art pot that this embodiment provided uses multiunit temperature controller to combine science, efficient line control principle through in culinary art pot heating control circuit, has replaced the original key switch of current mechanical type electric heat pot and magnet steel temperature limiter control structure to add supersonic generator, can shorten the culinary art time and promoted taste and taste on realizing energy-conservation, constant temperature anti-overflow, the effect that the multipurpose was used.
As a preferred embodiment, the cooking heater R1 is arranged around the bottom of the inner pan; the ultrasonic generator UG is arranged in the base, and the output of the ultrasonic generator UG faces the middle of the bottom of the inner pot.
Furthermore, the adjustable temperature controller K2 and the timing switch K3 are disposed on the control panel of the housing.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A cooking pot heating control circuit comprises a cooking heater R1 and a heat preservation heater R2, and is characterized by further comprising a temperature sensing temperature controller K1, an adjustable temperature controller K2, a timing switch K3 and an ultrasonic generator UG;
wherein: a first end of the cooking heater R1 is connected with a live wire, and a second end of the cooking heater R1 is respectively connected with a first end of the temperature sensing temperature controller K1, a first end of the adjustable temperature controller K2 and a second end of the heat preservation heater R2;
the second end of the temperature sensing temperature controller K1 and the second end of the adjustable temperature controller K2 are respectively connected with the first end of the ultrasonic generator UG;
the second end of the ultrasonic generator UG is connected with the first end of the timing switch K3, and the second end of the timing switch K3 and the second end of the heat preservation heater R2 are connected with a zero line.
2. The heating control circuit of claim 1, wherein the temperature-sensing temperature controller K1 is a self-restorable closed bimetal temperature controller.
3. The cooking pot heating control circuit of claim 1, wherein the adjustable thermostat K2 is provided with a plurality of function steps with preset operating temperatures.
4. The cooking pot heating control circuit of claim 1, wherein the adjustable thermostat K2 is a thermally-compensated bimetallic thermostat.
5. The cooking pot heating control circuit of claim 1, wherein an over-temperature fuse link RD is further disposed between the first end of the cooking heater R1 and the hot line.
6. The heating control circuit of claim 1, wherein the first end of the cooking heater R1 and the second end of the temperature-sensing temperature controller K1 are further connected in parallel with a cooking indicator ZD1 and an indicator current-limiting resistor R3.
7. The heating control circuit of the cooking pot as claimed in claim 1, wherein the heat-retaining heater R2 is further connected in parallel with a heat-retaining indicator lamp ZD2 and an indicator lamp current-limiting resistor R4.
8. A cooking pot comprises a base, a shell, an inner pot, an inner container and a pot cover, wherein the inner pot is arranged on the base and in the shell, the inner pot is used for accommodating the inner container, and the pot cover is arranged at the top of the inner pot; characterized in that the heating operation is realized by the cooking pot heating control circuit as claimed in claims 1 to 7.
9. The cooking pan of claim 8, wherein the cooking heater R1 is disposed around the bottom of the inner pan; the ultrasonic generator UG is arranged in the base, and the output of the ultrasonic generator UG faces the middle of the bottom of the inner pot.
10. The cooking pan as claimed in claim 8, wherein the adjustable temperature controller K2 and the timing switch K3 are provided on a control panel of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821628.8A CN113391665A (en) | 2021-07-20 | 2021-07-20 | Cooking pot heating control circuit and cooking pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110821628.8A CN113391665A (en) | 2021-07-20 | 2021-07-20 | Cooking pot heating control circuit and cooking pot |
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| Publication Number | Publication Date |
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| CN113391665A true CN113391665A (en) | 2021-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110821628.8A Pending CN113391665A (en) | 2021-07-20 | 2021-07-20 | Cooking pot heating control circuit and cooking pot |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201052067Y (en) * | 2007-05-08 | 2008-04-30 | 厦门灿坤实业股份有限公司 | Multifunctional stewpan |
| CN201360911Y (en) * | 2009-03-10 | 2009-12-16 | 潘穗平 | Multifunctional electric rice cooker with multi-section temperature control function |
| CN102809977A (en) * | 2012-07-30 | 2012-12-05 | 格力电器（中山）小家电制造有限公司 | Heating control device and heating control method |
| CN204009611U (en) * | 2014-06-09 | 2014-12-10 | 九阳股份有限公司 | A kind of mechanical type rice cooker culinary art control circuit |
| US20200297149A1 (en) * | 2019-03-21 | 2020-09-24 | Lg Electronics Inc. | Electric kettle |
| CN112773179A (en) * | 2021-02-02 | 2021-05-11 | 云南农业大学 | Ultrasonic wave chicken soup fast boiling pan |
-
2021
- 2021-07-20 CN CN202110821628.8A patent/CN113391665A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201052067Y (en) * | 2007-05-08 | 2008-04-30 | 厦门灿坤实业股份有限公司 | Multifunctional stewpan |
| CN201360911Y (en) * | 2009-03-10 | 2009-12-16 | 潘穗平 | Multifunctional electric rice cooker with multi-section temperature control function |
| CN102809977A (en) * | 2012-07-30 | 2012-12-05 | 格力电器（中山）小家电制造有限公司 | Heating control device and heating control method |
| CN204009611U (en) * | 2014-06-09 | 2014-12-10 | 九阳股份有限公司 | A kind of mechanical type rice cooker culinary art control circuit |
| US20200297149A1 (en) * | 2019-03-21 | 2020-09-24 | Lg Electronics Inc. | Electric kettle |
| CN112773179A (en) * | 2021-02-02 | 2021-05-11 | 云南农业大学 | Ultrasonic wave chicken soup fast boiling pan |
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Application publication date: 20210914 |