CN103939961A - Pan deviation detecting method and heating appliance - Google Patents
Pan deviation detecting method and heating appliance Download PDFInfo
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- CN103939961A CN103939961A CN201410124361.7A CN201410124361A CN103939961A CN 103939961 A CN103939961 A CN 103939961A CN 201410124361 A CN201410124361 A CN 201410124361A CN 103939961 A CN103939961 A CN 103939961A
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Abstract
The invention provides a pan deviation detecting method and a heating appliance. The pan deviation detecting method comprises an obtaining step and a judging step, wherein during the obtaining step, induction values of multiple sensors for detecting a pan state at different positions in a pan heating region are obtained when a pan is arranged on the pan heating region of the heating appliance; during the judging step, when the difference value of the induction values detected by any two of multiple sensors is greater than a reset threshold value, a condition that the practical arrangement position of the pan deviates from the pan heating region is judged. According to the technical scheme, the pan deviation detecting method and the heating appliance provided by the invention have the advantage that when the pan is arranged on an induction cooker, a condition of whether the arrangement position of the pan deviates from the heating region of the induction cooker can be accurately detected.
Description
Technical field
The present invention relates to the technical field of electric appliances for heating, in particular to a kind of pan bias detecting method and a kind of heating appliances.
Background technology
At present, because not having the pan of detection, electromagnetic oven whether is offset the function at heating region center, therefore,, in the time that electromagnetic oven detects that pan is placed in heating region, no matter whether pan is put partially, all heat, cause in the time that the placement location of pan departs from heated center region, pan is heated inhomogeneous, and the thermal efficiency is low, cause food heating insufficient, had a strong impact on culinary art taste.Meanwhile, in the time of pan position deviation heating region center, electromagnetic oven need to carry out Power Regulation operation to reach the power output of setting, and in the time carrying out Power Regulation operation, electromagnetic oven there will be heating process off and on, affects the service life of electromagnetic oven.
Therefore, how in the time that pan is placed on electromagnetic oven, detecting exactly the heating region whether placement location of pan depart from electromagnetic oven becomes technical problem urgently to be resolved hurrily.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art or correlation technique.
For this reason, one object of the present invention is to have proposed one can be in the time that pan be placed on electromagnetic oven, and whether the placement location that detects exactly pan departs from the pan bias detecting method of the heating region on electromagnetic oven.
Another object of the present invention is to have proposed a kind of heater.
For achieving the above object, embodiment according to a first aspect of the invention, a kind of pan bias detecting method has been proposed, comprise: obtaining step, in the time that pan is placed on the pan heating region on heating appliances, obtain the influence value of the multiple sensors for detection of described pan state of the diverse location setting in described pan heating region; Determining step, when the difference of the influence value that any two sensors detect in described multiple sensors is greater than predetermined threshold, judges that the actual placement of described pan and described pan heating region are offset.
Pan bias detecting method according to an embodiment of the invention, on heating appliances, mark is provided with pan heating region conventionally, therefore can multiple sensors be set the diverse location in pan heating region, if there is skew in the actual placement of pan and pan heating region, be arranged on and in the multiple sensors in pan heating region, have the state that at least one sensor can not detect the state of pan or pan can not accurately be detected, and then can there is larger difference between the influence value that detects of multiple sensors, therefore, when difference that can the influence value that any two sensors detect in multiple sensors is greater than predetermined threshold, there is skew in actual placement and the pan heating region of judging pan.
In addition, pan bias detecting method according to the above embodiment of the present invention, can also have following additional technical characterictic:
According to one embodiment of present invention, described multiple sensors comprise multiple temperature sensors, and described influence value is temperature value; Described obtaining step is specially: in the time that described pan is placed on described pan heating region, with predetermined power, described pan was heated after the scheduled time, obtain the temperature value that described multiple temperature sensor detects.
Pan bias detecting method according to an embodiment of the invention, preferably, predetermined power can be less than the maximum heating power of electromagnetic oven, and the scheduled time can be 10 seconds.
According to one embodiment of present invention, in the time that described multiple sensors comprise multiple temperature sensor, described difference is the difference of the temperature value that in described multiple temperature sensor, any two temperature sensors detect, the scope of described predetermined threshold is 4 DEG C～10 DEG C.
Pan bias detecting method according to an embodiment of the invention, in the time that multiple sensors are temperature sensor, the scope of predetermined threshold is 4 DEG C～10 DEG C, for example: predetermined threshold is set as 5 DEG C, in multiple sensors, the difference of any two sensors is greater than 5 DEG C, illustrates that now actual placement and the described pan heating region of pan are offset.Certainly, it should be noted that the setting value of predetermined threshold value is less, the sensitivity that detects pan placement location generation skew is higher.
According to one embodiment of present invention, described multiple sensors comprise multiple weight sensors, and described influence value is gravimetric value.
According to one embodiment of present invention, in the time that described multiple sensors comprise multiple weight sensor, described difference is the difference of the gravimetric value that in described multiple weight sensor, any two weight sensors detect, the scope of described predetermined threshold is 8g～15g.
Pan bias detecting method according to an embodiment of the invention, in the time that multiple sensors are weight sensor, the scope of predetermined threshold is 8g～15g, for example: predetermined threshold is set as 10g, in multiple sensors, the difference of any two sensors is greater than 10g, illustrates that now actual placement and the described pan heating region of pan are offset.Certainly, it should be noted that the setting value of predetermined threshold value is less, the sensitivity that detects pan placement location generation skew is higher.
According to one embodiment of present invention, also comprise: in the time that skew occurs for actual placement and the described pan heating region of judging described pan, point out user to reappose described pan.
Pan bias detecting method according to an embodiment of the invention, can point out user to reappose pan by the mode of voice and/or indicator lamp.
According to the embodiment of second aspect present invention, a kind of heating appliances has also been proposed, comprise: multiple sensors, are arranged on the diverse location place in the pan heating region on described heating appliances, for detection of the state that is placed on the pan in described pan heating region; Acquiring unit, in the time that described pan is placed on described pan heating region, obtains the influence value of described multiple sensors; Judging unit, while being greater than predetermined threshold, judges that the actual placement of described pan and described pan heating region are offset for the difference of the influence value that detects at described any two sensors of multiple sensors.
Heating appliances according to an embodiment of the invention, owing to conventionally marking and being provided with pan heating region on heating appliances, therefore can multiple sensors be set the diverse location in pan heating region, if there is skew in the actual placement of pan and pan heating region, be arranged on and in the multiple sensors in pan heating region, have the state that at least one sensor can not detect the state of pan or pan can not accurately be detected, and then can there is larger difference between the influence value that detects of multiple sensors, therefore, when difference that can the influence value that any two sensors detect in multiple sensors is greater than predetermined threshold, there is skew in actual placement and the pan heating region of judging pan.
According to one embodiment of present invention, described multiple sensors comprise multiple temperature sensors, and described influence value is temperature value; Described acquiring unit specifically for: in the time that described pan is placed on described pan heating region, with predetermined power to the described pan heating scheduled time after, obtain the temperature value that described multiple temperature sensor detects.
Heating appliances according to an embodiment of the invention, preferably, predetermined power can be less than the maximum heating power of electromagnetic oven, and the scheduled time can be 10 seconds.
According to one embodiment of present invention, described multiple sensors comprise multiple weight sensors, and described influence value is gravimetric value.
According to one embodiment of present invention, described multiple sensor settings taking described pan heating region center as the center of circle, on the circumference that preset distance is radius.
Heating appliances according to an embodiment of the invention, by multiple sensor settings taking pan heating region center as the center of circle, preset distance is on the circumference of radius, because the multiple sensor sensings on same circumference are more consistent to the temperature of pan, therefore can more accurately judge whether pan position is offset, preferably, predeterminable range is less than or equal to the radius of pan.If the placement location of pan is offset, the region at the placement location place of pan at least comprises taking pan heating region center as the center of circle, the border circular areas that preset distance is radius; If the placement location of pan is offset, the region at the placement location place of pan can be departed from taking pan heating region center as the center of circle, preset distance is the border circular areas of radius, and then is arranged on the influence value difference that the sensor at diverse location place on circumference detects.Wherein, on circumference, multiple sensors can be set.
According to one embodiment of present invention, described multiple sensors are divided equally described circumference, and described multiple sensor comprises the sensor that is arranged on described pan heating region center.
Heating appliances according to an embodiment of the invention, as comparatively preferred embodiment of one, at pan heating region center, sensor is set, if the placement location of pan is offset, the region at the placement location place of pan can be departed from taking pan heating region center as the center of circle, preset distance is the border circular areas of radius, and then it is different from the influence value that the sensor sensor of diverse location place on circumference (or be arranged on) that is arranged on pan heating region center detects to be arranged on circumference upper sensor.
According to one embodiment of present invention, described heating appliances comprises electromagnetic oven; The position of corresponding described induction cooker heating coil on the panel that described pan heating region is described electromagnetic oven, described multiple sensor settings contact on described panel and with described pan, and/or are arranged on described back side of panel and do not contact with described pan.
Heating appliances according to an embodiment of the invention, pan heating region is the position of corresponding induction cooker heating coil on the panel of electromagnetic oven, on the face that sensor setting contacts with pan on electromagnetic oven panel time, owing to can directly touching pan bottom, the state of pan therefore can be detected more exactly; In the time that sensor is temperature sensor, temperature sensor also can be arranged on the electromagnetic oven panel back side and not contact with pan, by detecting the temperature of temperature indirect detection pan of electromagnetic oven panel.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 shows the schematic flow diagram of pan bias detecting method according to an embodiment of the invention;
Fig. 2 shows the schematic block diagram of heating appliances according to an embodiment of the invention;
Fig. 3 A to Fig. 3 D shows pan offset detection process schematic diagram according to an embodiment of the invention.
Detailed description of the invention
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the feature in the application's embodiment and embodiment can combine mutually.
A lot of details are set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
Fig. 1 shows the schematic flow diagram of pan bias detecting method according to an embodiment of the invention.
As shown in Figure 1, pan bias detecting method according to an embodiment of the invention, comprise: step 102, it is obtaining step, in the time that pan is placed on the pan heating region on heating appliances, obtain the influence value of the multiple sensors for detection of described pan state of the diverse location setting in described pan heating region; Step 104, i.e. determining step, when the difference of the influence value that any two sensors detect in described multiple sensors is greater than predetermined threshold, judges that the actual placement of described pan and described pan heating region are offset.
Specifically, on heating appliances, mark is provided with pan heating region conventionally, therefore can multiple sensors be set the diverse location in pan heating region, if there is skew in the actual placement of pan and pan heating region, be arranged on and in the multiple sensors in pan heating region, have the state that at least one sensor can not detect the state of pan or pan can not accurately be detected, and then can there is larger difference between the influence value that detects of multiple sensors, therefore, when difference that can the influence value that any two sensors detect in multiple sensors is greater than predetermined threshold, there is skew in actual placement and the pan heating region of judging pan.
In addition, pan bias detecting method according to the above embodiment of the present invention, can also have following additional technical characterictic:
According to one embodiment of present invention, described multiple sensors comprise multiple temperature sensors, and described influence value is temperature value; Described obtaining step is specially: in the time that described pan is placed on described pan heating region, with predetermined power, described pan was heated after the scheduled time, obtain the temperature value that described multiple temperature sensor detects.
Preferably, predetermined power can be less than the maximum heating power of electromagnetic oven, and the scheduled time can be 10 seconds.
According to one embodiment of present invention, in the time that described multiple sensors comprise multiple temperature sensor, described difference is the difference of the temperature value that in described multiple temperature sensor, any two temperature sensors detect, the scope of described predetermined threshold is 4 DEG C～10 DEG C.
In the time that multiple sensors are temperature sensor, the scope of predetermined threshold is 4 DEG C～10 DEG C, for example: predetermined threshold is set as 5 DEG C, in multiple sensors, the difference of any two sensors is greater than 5 DEG C, illustrates that now actual placement and the described pan heating region of pan are offset.Certainly, it should be noted that the setting value of predetermined threshold value is less, the sensitivity that detects pan placement location generation skew is higher.
According to one embodiment of present invention, described multiple sensors comprise multiple weight sensors, and described influence value is gravimetric value.
According to one embodiment of present invention, in the time that described multiple sensors comprise multiple weight sensor, described difference is the difference of the gravimetric value that in described multiple weight sensor, any two weight sensors detect, the scope of described predetermined threshold is 8g～15g.
In the time that multiple sensors are weight sensor, the scope of predetermined threshold is 8g～15g, for example: predetermined threshold is set as 10g, in multiple sensors, the difference of any two sensors is greater than 10g, illustrates that now actual placement and the described pan heating region of pan are offset.Certainly, it should be noted that the setting value of predetermined threshold value is less, the sensitivity that detects pan placement location generation skew is higher.
According to one embodiment of present invention, also comprise: in the time that skew occurs for actual placement and the described pan heating region of judging described pan, point out user to reappose described pan.
Specifically, can point out user to reappose pan by the mode of voice and/or indicator lamp.
Fig. 2 shows the schematic block diagram of heating appliances according to an embodiment of the invention.
As shown in Figure 2, heating appliances 200 according to an embodiment of the invention, comprise: multiple sensors (not shown in Fig. 2), are arranged on the diverse location place in the pan heating region on described heating appliances 200, for detection of the state that is placed on the pan in described pan heating region; Acquiring unit 202, in the time that described pan is placed on described pan heating region, obtains the influence value of described multiple sensors; Judging unit 204, while being greater than predetermined threshold, judges that the actual placement of described pan and described pan heating region are offset for the difference of the influence value that detects at described any two sensors of multiple sensors.
Specifically, owing to conventionally marking and being provided with pan heating region on heating appliances 200, therefore can multiple sensors be set the diverse location in pan heating region, if there is skew in the actual placement of pan and pan heating region, be arranged on and in the multiple sensors in pan heating region, have the state that at least one sensor can not detect the state of pan or pan can not accurately be detected, and then can there is larger difference between the influence value that detects of multiple sensors, therefore, when difference that can the influence value that any two sensors detect in multiple sensors is greater than predetermined threshold, there is skew in actual placement and the pan heating region of judging pan.
Sensor can have multiple avatar, and for different avatars, the influence value that sensor detects is different, below enumerates two kinds of avatars of sensor:
Avatar one:
According to one embodiment of present invention, described multiple sensors comprise multiple temperature sensors, and described influence value is temperature value; Described acquiring unit 202 specifically for: in the time that described pan is placed on described pan heating region, with predetermined power to the described pan heating scheduled time after, obtain the temperature value that described multiple temperature sensor detects.
Preferably, predetermined power can be less than the maximum heating power of electromagnetic oven, and the scheduled time can be 10 seconds.
Avatar two:
According to one embodiment of present invention, described multiple sensors comprise multiple weight sensors, and described influence value is gravimetric value.
The setting position of sensor also can have numerous embodiments, particularly, and as follows described in embodiment:
According to one embodiment of present invention, described multiple sensor settings taking described pan heating region center as the center of circle, on the circumference that preset distance is radius.
By multiple sensor settings taking pan heating region center as the center of circle, preset distance is on the circumference of radius, because the multiple sensor sensings on same circumference are more consistent to the temperature of pan, therefore can more accurately judge whether pan position is offset, preferably, predeterminable range is less than or equal to the radius of pan.If the placement location of pan is offset, the region at the placement location place of pan at least comprises taking pan heating region center as the center of circle, the border circular areas that preset distance is radius; If the placement location of pan is offset, the region at the placement location place of pan can be departed from taking pan heating region center as the center of circle, preset distance is the border circular areas of radius, and then or is arranged on the influence value difference that the sensor at diverse location place on circumference detects.Wherein, on circumference, multiple sensors can be set.
According to one embodiment of present invention, described multiple sensors are divided equally described circumference, and described multiple sensor comprises the sensor that is arranged on described pan heating region center.
As comparatively preferred embodiment of one, at pan heating region center, sensor is set, if the placement location of pan is offset, the region at the placement location place of pan can be departed from taking pan heating region center as the center of circle, preset distance is the border circular areas of radius, and then it is different from the influence value that the sensor sensor of diverse location place on circumference (or be arranged on) that is arranged on pan heating region center detects to be arranged on circumference upper sensor.
According to one embodiment of present invention, described heating appliances 200 comprises electromagnetic oven (not shown in Fig. 2); The position of corresponding described induction cooker heating coil on the panel that described pan heating region is described electromagnetic oven, described multiple sensor settings contact on described panel and with described pan, and/or are arranged on described back side of panel and do not contact with described pan.
Specifically, pan heating region is the position of corresponding induction cooker heating coil on the panel of electromagnetic oven, on the face that sensor setting contacts with pan on electromagnetic oven panel time, owing to can directly touching pan bottom, the state of pan therefore can be detected more exactly; In the time that sensor is temperature sensor, temperature sensor also can be arranged on the electromagnetic oven panel back side and not contact with pan, by detecting the temperature of temperature indirect detection pan of electromagnetic oven panel.
Describe technical scheme of the present invention in detail below in conjunction with Fig. 3 A to Fig. 3 D.In this embodiment taking electromagnetic oven as heating appliances as example describes.
As shown in Figure 3A, central spot in pan heating region 304 on electromagnetic oven panel 302 arranges a sensor 306, and taking central point as the center of circle, predeterminable range arranges at least one sensor on the circumference of the border circular areas of radius, in Fig. 3 A, be provided with three sensors, be sensor 308, sensor 310 and sensor 312, wherein, sensor 308, sensor 310 and sensor 312 are divided equally circumference.
As shown in Figure 3 B, in the time that pan is placed on electromagnetic oven panel 302, as 314 placement locations that are pan in Fig. 3 B, because the pan heating region 304 on actual placement and the electromagnetic oven panel 302 of pan is offset, the influence value that therefore sensor 310 detects is less than the influence value that in sensor 306, sensor 308 and sensor 312, arbitrary sensor detects.
Similarly, as shown in Figure 3 C, the influence value that sensor 308 detects is less than the influence value that in sensor 306, sensor 310 and sensor 312, arbitrary sensor detects.
As shown in Figure 3 D, the influence value that sensor 312 detects is less than the influence value that in sensor 306, sensor 310 and sensor 308, arbitrary sensor detects.
Wherein, predeterminable range, the radius of circumference can arrange according to the radius of actual pan, and preferably, predeterminable range is less than or equal to the radius of pan.
More than be described with reference to the accompanying drawings technical scheme of the present invention, do not consider because electromagnetic oven does not have the pan of detection and whether be offset the function at heating region center, therefore,, in the time that electromagnetic oven detects that pan is placed in heating region, no matter whether pan is put partially, all heat, cause in the time that the placement location of pan departs from heated center region, pan is heated inhomogeneous, and the thermal efficiency is low, cause food heating insufficient, had a strong impact on culinary art taste.Meanwhile, in the time of pan position deviation heating region center, electromagnetic oven need to carry out Power Regulation operation to reach the power output of setting, and in the time carrying out Power Regulation operation, electromagnetic oven there will be heating process off and on, affects the service life of electromagnetic oven.Therefore, the present invention proposes a kind of new pan offset detection technology, can be in the time that pan be placed on electromagnetic oven, whether the placement location that detects exactly pan departs from the heating region on electromagnetic oven.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (12)
1. a pan bias detecting method, is characterized in that, comprising:
Obtaining step, in the time that pan is placed on the pan heating region on heating appliances, obtains the influence value of the multiple sensors for detection of described pan state of the diverse location setting in described pan heating region;
Determining step, when the difference of the influence value that any two sensors detect in described multiple sensors is greater than predetermined threshold, judges that the actual placement of described pan and described pan heating region are offset.
2. pan bias detecting method according to claim 1, is characterized in that, described multiple sensors comprise multiple temperature sensors, and described influence value is temperature value;
Described obtaining step is specially:
In the time that described pan is placed on described pan heating region, with predetermined power, described pan was heated after the scheduled time, obtain the temperature value that described multiple temperature sensor detects.
3. pan bias detecting method according to claim 2, it is characterized in that, in the time that described multiple sensors comprise multiple temperature sensor, described difference is the difference of the temperature value that in described multiple temperature sensor, any two temperature sensors detect, the scope of described predetermined threshold is 4 DEG C～10 DEG C.
4. pan bias detecting method according to claim 1, is characterized in that, described multiple sensors comprise multiple weight sensors, and described influence value is gravimetric value.
5. pan bias detecting method according to claim 4, it is characterized in that, in the time that described multiple sensors comprise multiple weight sensor, described difference is the difference of the gravimetric value that in described multiple weight sensor, any two weight sensors detect, the scope of described predetermined threshold is 8g～15g.
6. according to the pan bias detecting method described in any one in claim 1 to 5, it is characterized in that, also comprise:
In the time that skew occurs for actual placement and the described pan heating region of judging described pan, point out user to reappose described pan.
7. a heating appliances, is characterized in that, comprising:
Multiple sensors, are arranged on the diverse location place in the pan heating region on described heating appliances, for detection of the state that is placed on the pan in described pan heating region;
Acquiring unit, in the time that described pan is placed on described pan heating region, obtains the influence value of described multiple sensors;
Judging unit, while being greater than predetermined threshold, judges that the actual placement of described pan and described pan heating region are offset for the difference of the influence value that detects at described any two sensors of multiple sensors.
8. heating appliances according to claim 7, is characterized in that, described multiple sensors comprise multiple temperature sensors, and described influence value is temperature value;
Described acquiring unit specifically for:
In the time that described pan is placed on described pan heating region, with predetermined power, described pan was heated after the scheduled time, obtain the temperature value that described multiple temperature sensor detects.
9. heating appliances according to claim 7, is characterized in that, described multiple sensors comprise multiple weight sensors, and described influence value is gravimetric value.
10. heating appliances according to claim 7, is characterized in that, described multiple sensor settings taking described pan heating region center as the center of circle, on the circumference that preset distance is radius.
11. heating appliances according to claim 10, is characterized in that, described multiple sensors are divided equally described circumference, and described multiple sensor also comprises the sensor that is arranged on described pan heating region center.
12. will remove the heating appliances described in any one in 7 to 11 according to right, it is characterized in that, described heating appliances comprises electromagnetic oven;
The position of corresponding described induction cooker heating coil on the panel that described pan heating region is described electromagnetic oven, described multiple sensor settings contact and/or are arranged on described back side of panel and do not contact with described pan on described panel and with described pan.
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| CN201410124361.7A CN103939961A (en) | 2014-03-28 | 2014-03-28 | Pan deviation detecting method and heating appliance |
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