CN105795881A - Control method and device for preventing dry cooking in cooking equipment - Google Patents
Control method and device for preventing dry cooking in cooking equipment Download PDFInfo
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- CN105795881A CN105795881A CN201410857295.4A CN201410857295A CN105795881A CN 105795881 A CN105795881 A CN 105795881A CN 201410857295 A CN201410857295 A CN 201410857295A CN 105795881 A CN105795881 A CN 105795881A
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Abstract
The invention provides a control method and device for preventing dry cooking in cooking equipment and the cooking equipment. The control method comprises the steps that 1, a current temperature of an IGBT in the cooking equipment is detected; 2, whether the current temperature is higher than a preset safe temperature or not is judged; 3 if the current temperature is higher than the preset safe temperature, the heating power of the cooking equipment is reduced, and the step 1, the step 2 and the step 3 are repeatedly executed. According to the control method for preventing dry cooking in the cooking equipment, the phenomenon that the cooking equipment is directly shut down due to the over-temperature protection function is avoided, it is guaranteed that the cooking equipment can complete the current cooking process, the phenomenon that inconvenience is brought to a user in the cooking equipment using process of the user is avoided, and the using experience of the user is improved.
Description
Technical field
The present invention relates to cooking equipment technical field, particularly relate to the control method and device that prevent dry combustion method in a kind of cooking equipment.
Background technology
At present; IGBT (InsulatedGateBipolarTransistor in cooking equipment; insulated gate bipolar transistor) generally all there is overheat protector function; after the temperature of IGBT exceedes safe temperature; overheat protector function, in order to protect cooking equipment to burn, can forbid that user is continuing with this cooking equipment.
But the problem that presently, there are is, along with the increase using the time of cooking equipment, the thermal conducting agent between IGBT and fin can slowly be killed, or the screw between IGBT and fin becomes loosening.In this case; although the radiating effect of IGBT declines but will not completely lose radiating effect; but overheat protector function temperature if as IBGT in the cooking process of user is too high and automatically powers off, then can bring the inconvenience in use to user, have impact on the experience of user.
Summary of the invention
It is contemplated that one of technical problem solved at least to a certain extent in correlation technique.
For this; first purpose of the present invention is in that the control method proposing to prevent dry combustion method in a kind of cooking equipment; this method avoid overheat protector function and directly close cooking equipment; ensure that cooking equipment can complete when secondary cooking process; avoiding to use in cooking equipment process user makes troubles to user, improves the experience of user.
Second purpose of the present invention is in that to propose to prevent in a kind of cooking equipment the control device of dry combustion method.
3rd purpose of the present invention is in that to propose a kind of cooking equipment.
For reaching above-mentioned purpose, first aspect present invention embodiment proposes the control method preventing dry combustion method in a kind of cooking equipment, including: the Current Temperatures of IGBT in S1, detection cooking equipment；S2, judge that Current Temperatures is whether higher than the first preset security temperature；And if S3 Current Temperatures is higher than the first preset security temperature, then reduce the heating power of cooking equipment repeated execution of steps S1-S3.
The cooking equipment of the embodiment of the present invention prevents the control method of dry combustion method; by detecting the Current Temperatures of IGBT in cooking equipment; and when the Current Temperatures of IGBT is more than the first preset security temperature; reduce the power of cooking equipment; thus reduce the Current Temperatures of IGBT, it is to avoid overheat protector function directly closes cooking equipment, it is ensured that cooking equipment can complete when time cooking process; avoiding to use in cooking equipment process user makes troubles to user, improves the experience of user.
For reaching above-mentioned purpose, second aspect present invention embodiment proposes the control device preventing dry combustion method in a kind of cooking equipment, and wherein, this device includes: detection module, for detecting the Current Temperatures of IGBT in cooking equipment；Judge module, is used for judging that whether Current Temperatures is higher than the first preset security temperature；And control module, during for Current Temperatures higher than the first preset security temperature, reduce the heating power of cooking equipment.
The cooking equipment of the embodiment of the present invention prevents the control device of dry combustion method; by detecting the Current Temperatures of IGBT in cooking equipment; and when the Current Temperatures of IGBT exceedes preset security temperature; reduce the power of cooking equipment; thus reduce the Current Temperatures of IGBT, it is to avoid overheat protector function directly closes cooking equipment, it is ensured that cooking equipment can complete when time cooking process; avoiding to use in cooking equipment process user makes troubles to user, improves the experience of user.
For reaching above-mentioned purpose, third aspect present invention embodiment proposes a kind of cooking equipment, prevents the control device of dry combustion method in the cooking equipment including second aspect present invention embodiment.
The cooking equipment of the embodiment of the present invention; by detecting the Current Temperatures of IGBT; and when the Current Temperatures of IGBT exceedes preset security temperature; reduce power; thus reduce the Current Temperatures of IGBT, it is to avoid overheat protector function directly closes cooking equipment, it is ensured that cooking equipment can complete when time cooking process; avoiding to use in cooking equipment process user makes troubles to user, improves the experience of user.
Aspect and advantage that the present invention adds will part provide in the following description, and part will become apparent from the description below, or is recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will be apparent from easy to understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 be one embodiment of the invention cooking equipment in prevent the flow chart of control method of dry combustion method；And
Fig. 2 be one embodiment of the invention cooking equipment in prevent dry combustion method control device structural representation.
Detailed description of the invention
Being described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Additionally, term " first ", " second " are only for descriptive purposes, and it is not intended that indicate or imply relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more these features.In describing the invention, " multiple " are meant that two or more, unless otherwise expressly limited specifically.
Describe in flow chart or in this any process described otherwise above or method and be construed as, represent and include the module of code of executable instruction of one or more step for realizing specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press order that is shown or that discuss, including according to involved function by basic mode simultaneously or in the opposite order, performing function, this should be understood by embodiments of the invention person of ordinary skill in the field.
Below with reference to the accompanying drawings the control method and device that prevent dry combustion method in cooking equipment according to embodiments of the present invention are described.
Fig. 1 be one embodiment of the invention cooking equipment in prevent the flow chart of control method of dry combustion method.
As it is shown in figure 1, this cooking equipment prevents the control method of dry combustion method from including:
S1: the Current Temperatures of IGBT in detection cooking equipment.
Concrete, cooking equipment may include but be not limited to the equipment such as IH electric cooker, IH electric pressure cooking saucepan, IH electric baker.Cooking equipment is used to carry out, in the process cooked, being detected the Current Temperatures of IGBT in real time by temperature sensor user.
S2, judge that Current Temperatures is whether higher than the first preset security temperature.
Concrete, after Current Temperatures IGBT being detected, the Current Temperatures of IGBT is compared with the first safe temperature preset, wherein, the first preset security temperature is to give tacit consent in cooking equipment.
If S3 Current Temperatures is higher than preset security temperature, then reduce the heating power of cooking equipment repeated execution of steps S1-S3.
Specifically; if it is determined that the Current Temperatures of IGBT is higher than the first preset security temperature; then cooking equipment switches to abnormal protection pattern; the heating power of cooking equipment is reduced under this abnormal protection pattern; thus reducing the Current Temperatures of IGBT, to avoid overheat protector Function detection too high and automatically power off to the temperature of IGBT.
Additionally, if it is determined that the Current Temperatures of IGBT is not higher than the first preset security temperature, then continue the Current Temperatures of IGBT is detected, whether detection Current Temperatures is more than the first preset security temperature.
In one embodiment of the invention, the heating power reducing cooking equipment specifically includes: reduce the heating power of cooking equipment according to the first preset ratio.Specifically, cooking equipment is after entering abnormal protection pattern, it is possible to first the power of cooking equipment being reduced the first preset ratio, wherein, the first preset ratio is 20-30%, it is preferred that preset ratio is 25%.Such as, with the power maintenance work of the 75% of the power of cooking equipment.Then, being continued the Current Temperatures of detection IGBT by temperature sensor, if the Current Temperatures of IGBT is not higher than the first preset security temperature, then cooking equipment keeps the power after reducing to work on.If the Current Temperatures of IGBT is also above the first preset security temperature, then cooking equipment reduces power further according to the first preset ratio, till the Current Temperatures of the IGBT detected by temperature sensor is not higher than the first preset security temperature.
In one embodiment of the invention, after reducing the heating power of cooking equipment, also include: judge that whether Current Temperatures is lower than the second preset security temperature, if Current Temperatures is lower than the second preset security temperature, then raise the heating power of cooking equipment according to the second preset ratio.Wherein, the second preset security temperature is to give tacit consent in cooking equipment, specifically, after cooking equipment reduces heating power, likely there will be the relatively low situation of heating power to occur, namely the Current Temperatures of IGBT is relatively low, thus causing that the culinary art effect of cooking equipment is affected.Therefore, if cooking equipment detects the Current Temperatures of IGBT lower than the second preset security temperature by temperature sensor, the heating power of cooking equipment is raised the second preset ratio, for instance, heating power is raised 5%.Then, cooking equipment continues the Current Temperatures of detection IGBT by temperature sensor, if the Current Temperatures of IGBT is not less than the second preset security temperature, then cooking equipment keeps the power after raising to work on.If the Current Temperatures of IGBT is again below the second preset security temperature, then cooking equipment raises heating power further according to the second preset ratio, till the Current Temperatures of the IGBT detected by temperature sensor is not less than the second preset security temperature.Thus, it is possible to improve the effect of culinary art, further increase the experience of user.
Should be understood that, the first preset ratio and the second preset ratio in above-mentioned are merely schematic, those skilled in the art can also arrange different ratios, as long as by gradually reducing the effect that the power of cooking equipment reduces the Current Temperatures of IGBT, or the power of cooking equipment can be stepped up so as to be not less than the second preset security temperature.
In one embodiment of the invention, complete to report to the police afterwards in culinary art.Specifically, after culinary art completes, cooking equipment can by voice or show that the modes such as error code are reported to the police on a display screen, to point out user, before next time uses this cooking equipment, cooking equipment is sent to repairing.
The cooking equipment of the embodiment of the present invention prevents the control method of dry combustion method; by detecting the Current Temperatures of IGBT in cooking equipment; and when the Current Temperatures of IGBT is more than the first preset security temperature; the power of cooking equipment is gradually reduced according to the first preset ratio; thus reducing the Current Temperatures of IGBT; avoid overheat protector function and directly close cooking equipment; ensure that cooking equipment can complete when secondary cooking process; avoiding to use in cooking equipment process user makes troubles to user, improves the experience of user.
In order to realize above-described embodiment, the present invention also proposes to prevent in a kind of cooking equipment the control device of dry combustion method.
Fig. 2 be one embodiment of the invention cooking equipment in prevent dry combustion method control device structural representation.
As in figure 2 it is shown, cooking equipment prevents the control device of dry combustion method from including: detection module 100, judge module 200, control module 300 and alarm module 400.
Concrete, detection module 100 is for detecting the Current Temperatures of IGBT in cooking equipment.Concrete, cooking equipment may include but be not limited to the equipment such as IH electric cooker, IH electric pressure cooking saucepan, IH electric baker.Using cooking equipment to carry out in the process cooked user, detection module 100 detects the Current Temperatures of IGBT in real time by temperature sensor.
Judge module 200 is used for judging that whether Current Temperatures is higher than the first preset security temperature.Concrete, after detection module 100 detects the Current Temperatures of IGBT, it is judged that the Current Temperatures of IGBT is compared by module 200 with the first safe temperature preset, wherein, the first preset security temperature is to give tacit consent in cooking equipment.
Control module 300 for when Current Temperatures is higher than the first preset security temperature, reducing the heating power of cooking equipment.Specifically; if it is determined that module 200 judges that the Current Temperatures of IGBT is higher than the first preset security temperature; then control module 300 to control cooking equipment and switch to abnormal protection pattern; under this abnormal protection pattern, control module 300 control to reduce the heating power of cooking equipment; thus reducing the Current Temperatures of IGBT, to avoid overheat protector Function detection too high and automatically power off to the temperature of IGBT.
Additionally, if it is determined that module 200 judges that the Current Temperatures of IGBT is not higher than the first preset security temperature, then detection module 100 continues the Current Temperatures of IGBT is detected, so that judge module 200 judges that whether Current Temperatures is more than the first preset security temperature.
In one embodiment of the invention, module 300 is controlled specifically for reducing the heating power of cooking equipment according to the first preset ratio.Specifically, after controlling module 300 and controlling cooking equipment entrance abnormal protection pattern, controlling module 300 and first the power of cooking equipment can be reduced the first preset ratio, wherein, the first preset ratio is 20-30%, it is preferred that preset ratio is 25%.Such as, with the power maintenance work of the 75% of the power of cooking equipment.Then, detection module 100 continues the Current Temperatures of detection IGBT by temperature sensor, if it is determined that module 200 judges that the Current Temperatures of IGBT is not higher than the first preset security temperature, then control the power after module 300 controls cooking equipment maintenance reduction and work on.If it is determined that module 200 judges that the Current Temperatures of IGBT is also above the first preset security temperature, then control module 300 to control cooking equipment and reduce power further according to the first preset ratio, the Current Temperatures of the IGBT detected by temperature sensor until detection module 100 not higher than the first preset security temperature till.
In one embodiment of the invention, it is judged that module 200 is additionally operable to judge that whether Current Temperatures is lower than the second preset security temperature.Control module 300 and be additionally operable to when Current Temperatures is lower than the second preset security temperature, raise the heating power of cooking equipment according to the second preset ratio.Wherein, the second preset security temperature is to give tacit consent in cooking equipment, specifically, after control module 300 reduces the heating power of cooking equipment, likely there will be the relatively low situation of heating power to occur, namely the Current Temperatures of IGBT is relatively low, thus causing that the culinary art effect of cooking equipment is affected.Therefore, if it is determined that when module 200 judges the Current Temperatures of IGBT to be detected lower than the second preset security temperature by detection module 100, control module 300 and the heating power of cooking equipment is raised the second preset ratio, for instance, heating power is raised 5%.Then, detection module 100 continues the Current Temperatures of detection IGBT by temperature sensor, if it is determined that module 200 judges that the Current Temperatures of IGBT is not less than the second preset security temperature, then control the power after module 300 controls cooking equipment maintenance rising and work on.If it is determined that module 200 judges that the Current Temperatures of IGBT is again below the second preset security temperature, then control module 300 to control cooking equipment and raise heating power further according to the second preset ratio, till judging that until judge module 200 Current Temperatures of the IGBT detected by detection module 100 is not less than the second preset security temperature.Thus, it is possible to improve the effect of culinary art, further increase the experience of user.
In one embodiment of the invention, preventing the control device of dry combustion method from also including alarm module 400 in cooking equipment, alarm module 400 is for completing to report to the police afterwards in culinary art.Specifically, after culinary art completes, alarm module 400 can by voice or show that the modes such as error code are reported to the police on a display screen, to point out user, before next time uses this cooking equipment, cooking equipment is sent to repairing.
The cooking equipment of the embodiment of the present invention prevents the control device of dry combustion method; by detecting the Current Temperatures of IGBT in cooking equipment; and when the Current Temperatures of IGBT is more than the first preset security temperature; the power of cooking equipment is gradually reduced according to the first preset ratio; thus reducing the Current Temperatures of IGBT; avoid overheat protector function and directly close cooking equipment; ensure that cooking equipment can complete when secondary cooking process; avoiding to use in cooking equipment process user makes troubles to user, improves the experience of user.
In order to realize above-described embodiment, the present invention also proposes a kind of cooking equipment.
A kind of cooking equipment includes the control device preventing dry combustion method in the cooking equipment described in any one embodiment of the present invention.
The cooking equipment of the embodiment of the present invention; by detecting the Current Temperatures of IGBT; and when the Current Temperatures of IGBT is more than the first preset security temperature; power is gradually reduced according to the first preset ratio; thus reduce the Current Temperatures of IGBT, it is to avoid overheat protector function directly closes cooking equipment, it is ensured that cooking equipment can complete when time cooking process; avoiding to use in cooking equipment process user makes troubles to user, improves the experience of user.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple steps or method can realize with the storage software or firmware in memory and by suitable instruction execution system execution.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: there is the discrete logic of logic gates for data signal realizes logic function, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc..
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", etc. term should be interpreted broadly, for instance, it is possible to be fixing connection, it is also possible to be removably connect, or integral；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For the ordinary skill in the art, it is possible to understand above-mentioned term concrete meaning in the present invention as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment or the example of the present invention.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiments of the invention, it is understandable that, above-described embodiment is illustrative of, it is impossible to be interpreted as limitation of the present invention, and above-described embodiment can be changed, revises, replace and modification by those of ordinary skill in the art within the scope of the invention.
Claims (11)
1. a cooking equipment prevents the control method of dry combustion method, it is characterised in that comprise the following steps:
The Current Temperatures of IGBT in S1, detection cooking equipment；
S2, judge that described Current Temperatures is whether higher than the first preset security temperature；And
If the described Current Temperatures of S3 is higher than described first preset security temperature, then reduces the heating power of described cooking equipment, and repeat described step S1-S3.
2. cooking equipment as claimed in claim 1 prevents the control method of dry combustion method, it is characterised in that the heating power of the described cooking equipment of described reduction specifically includes:
The heating power of described cooking equipment is reduced according to the first preset ratio.
3. cooking equipment as claimed in claim 2 prevents the control method of dry combustion method, it is characterised in that described first preset ratio is 20-30%.
4. the cooking equipment as described in any one of claim 1-3 prevents the control method of dry combustion method, it is characterised in that after reducing the heating power of described cooking equipment, also include:
Judge that whether described Current Temperatures is lower than the second preset security temperature, if described Current Temperatures is lower than described second preset security temperature, then raise the heating power of described cooking equipment according to the second preset ratio.
5. cooking equipment as claimed in claim 1 prevents the control method of dry combustion method, it is characterised in that also include:
Complete to report to the police afterwards in culinary art.
6. a cooking equipment prevents the control device of dry combustion method, it is characterised in that including:
Detection module, for detecting the Current Temperatures of IGBT in cooking equipment；
Judge module, is used for judging that whether described Current Temperatures is higher than the first preset security temperature；And
Control module, for when described Current Temperatures is higher than described first preset security temperature, reducing the heating power of described cooking equipment.
7. cooking equipment as claimed in claim 6 prevents the control device of dry combustion method, it is characterised in that described control module specifically for:
The heating power of described cooking equipment is reduced according to the first preset ratio.
8. cooking equipment as claimed in claim 7 prevents the control device of dry combustion method, it is characterised in that described first preset ratio is 20-30%.
9. the cooking equipment as described in any one of claim 6-8 prevents the control device of dry combustion method, it is characterised in that described judge module is additionally operable to:
Judge that whether described Current Temperatures is lower than the second preset security temperature；
Described control module is additionally operable to when described Current Temperatures is lower than described second preset security temperature, raises the heating power of described cooking equipment according to the second preset ratio.
10. cooking equipment as claimed in claim 6 prevents the control device of dry combustion method, it is characterised in that also include:
Alarm module, for completing to report to the police afterwards in culinary art.
11. a cooking equipment, it is characterised in that include the control device preventing dry combustion method in the cooking equipment as according to any one of claim 6-10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410857295.4A CN105795881B (en) | 2014-12-31 | 2014-12-31 | The control method and device of dry combustion method are prevented in cooking equipment |
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| CN201410857295.4A CN105795881B (en) | 2014-12-31 | 2014-12-31 | The control method and device of dry combustion method are prevented in cooking equipment |
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| CN105795881A true CN105795881A (en) | 2016-07-27 |
| CN105795881B CN105795881B (en) | 2019-04-02 |
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| CN106788358A (en) * | 2017-01-12 | 2017-05-31 | 佛山市顺德区美的电热电器制造有限公司 | IGBT method for excessive heating protection, device and electric equipment |
| CN107692853A (en) * | 2017-07-14 | 2018-02-16 | 浙江绍兴苏泊尔生活电器有限公司 | Control method of cooking appliance |
| CN108732930A (en) * | 2018-03-20 | 2018-11-02 | 浙江绍兴苏泊尔生活电器有限公司 | Dry burning control method and cooking appliance |
| CN109413767A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Electric heater unit and its IGBT method for excessive heating protection |
| CN109429399A (en) * | 2017-09-05 | 2019-03-05 | 佛山市顺德区美的电热电器制造有限公司 | The control method and device of cookware anti-dry, electromagnetic oven |
| CN109699097A (en) * | 2017-10-24 | 2019-04-30 | 佛山市顺德区美的电热电器制造有限公司 | The overheat abnormality eliminating method and device of electromagnetic heating cooking utensil and its IGBT |
| CN110989407A (en) * | 2019-11-29 | 2020-04-10 | 广东美的厨房电器制造有限公司 | Cooking device, control method thereof and computer storage medium |
| CN114688830A (en) * | 2022-02-15 | 2022-07-01 | 深圳汝原科技有限公司 | Drying apparatus, control method, control device, and storage medium |
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| CN110989407A (en) * | 2019-11-29 | 2020-04-10 | 广东美的厨房电器制造有限公司 | Cooking device, control method thereof and computer storage medium |
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